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1 | 63a01ef8 | aliguori | /*
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2 | 63a01ef8 | aliguori | * QEMU System Emulator
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3 | 63a01ef8 | aliguori | *
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4 | 63a01ef8 | aliguori | * Copyright (c) 2003-2008 Fabrice Bellard
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5 | 63a01ef8 | aliguori | *
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6 | 63a01ef8 | aliguori | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 63a01ef8 | aliguori | * of this software and associated documentation files (the "Software"), to deal
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8 | 63a01ef8 | aliguori | * in the Software without restriction, including without limitation the rights
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9 | 63a01ef8 | aliguori | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 63a01ef8 | aliguori | * copies of the Software, and to permit persons to whom the Software is
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11 | 63a01ef8 | aliguori | * furnished to do so, subject to the following conditions:
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12 | 63a01ef8 | aliguori | *
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13 | 63a01ef8 | aliguori | * The above copyright notice and this permission notice shall be included in
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14 | 63a01ef8 | aliguori | * all copies or substantial portions of the Software.
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15 | 63a01ef8 | aliguori | *
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16 | 63a01ef8 | aliguori | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 63a01ef8 | aliguori | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 63a01ef8 | aliguori | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 63a01ef8 | aliguori | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 63a01ef8 | aliguori | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 63a01ef8 | aliguori | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 63a01ef8 | aliguori | * THE SOFTWARE.
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23 | 63a01ef8 | aliguori | */
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24 | 63a01ef8 | aliguori | #include <unistd.h> |
25 | 63a01ef8 | aliguori | #include <fcntl.h> |
26 | 63a01ef8 | aliguori | #include <signal.h> |
27 | 63a01ef8 | aliguori | #include <time.h> |
28 | 63a01ef8 | aliguori | #include <errno.h> |
29 | 63a01ef8 | aliguori | #include <sys/time.h> |
30 | 63a01ef8 | aliguori | #include <zlib.h> |
31 | 63a01ef8 | aliguori | |
32 | 71e72a19 | Juan Quintela | /* Needed early for CONFIG_BSD etc. */
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33 | d40cdb10 | blueswir1 | #include "config-host.h" |
34 | d40cdb10 | blueswir1 | |
35 | 63a01ef8 | aliguori | #ifndef _WIN32
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36 | 63a01ef8 | aliguori | #include <sys/times.h> |
37 | 63a01ef8 | aliguori | #include <sys/wait.h> |
38 | 63a01ef8 | aliguori | #include <termios.h> |
39 | 63a01ef8 | aliguori | #include <sys/mman.h> |
40 | 63a01ef8 | aliguori | #include <sys/ioctl.h> |
41 | 24646c7e | blueswir1 | #include <sys/resource.h> |
42 | 63a01ef8 | aliguori | #include <sys/socket.h> |
43 | 63a01ef8 | aliguori | #include <netinet/in.h> |
44 | 24646c7e | blueswir1 | #include <net/if.h> |
45 | 24646c7e | blueswir1 | #ifdef __NetBSD__
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46 | 24646c7e | blueswir1 | #include <net/if_tap.h> |
47 | 24646c7e | blueswir1 | #endif
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48 | 24646c7e | blueswir1 | #ifdef __linux__
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49 | f54c7bdc | Mark McLoughlin | #include "net/tap-linux.h" |
50 | 24646c7e | blueswir1 | #endif
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51 | 24646c7e | blueswir1 | #include <arpa/inet.h> |
52 | 63a01ef8 | aliguori | #include <dirent.h> |
53 | 63a01ef8 | aliguori | #include <netdb.h> |
54 | 63a01ef8 | aliguori | #include <sys/select.h> |
55 | 71e72a19 | Juan Quintela | #ifdef CONFIG_BSD
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56 | 63a01ef8 | aliguori | #include <sys/stat.h> |
57 | c5e97233 | blueswir1 | #if defined(__FreeBSD__) || defined(__DragonFly__)
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58 | 63a01ef8 | aliguori | #include <libutil.h> |
59 | 24646c7e | blueswir1 | #else
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60 | 24646c7e | blueswir1 | #include <util.h> |
61 | 63a01ef8 | aliguori | #endif
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62 | 63a01ef8 | aliguori | #elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
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63 | 63a01ef8 | aliguori | #include <freebsd/stdlib.h> |
64 | 63a01ef8 | aliguori | #else
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65 | 63a01ef8 | aliguori | #ifdef __linux__
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66 | 63a01ef8 | aliguori | #include <pty.h> |
67 | 63a01ef8 | aliguori | #include <malloc.h> |
68 | 63a01ef8 | aliguori | #include <linux/rtc.h> |
69 | 63a01ef8 | aliguori | |
70 | 63a01ef8 | aliguori | /* For the benefit of older linux systems which don't supply it,
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71 | 63a01ef8 | aliguori | we use a local copy of hpet.h. */
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72 | 63a01ef8 | aliguori | /* #include <linux/hpet.h> */
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73 | 63a01ef8 | aliguori | #include "hpet.h" |
74 | 63a01ef8 | aliguori | |
75 | 63a01ef8 | aliguori | #include <linux/ppdev.h> |
76 | 63a01ef8 | aliguori | #include <linux/parport.h> |
77 | 63a01ef8 | aliguori | #endif
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78 | 63a01ef8 | aliguori | #ifdef __sun__
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79 | 63a01ef8 | aliguori | #include <sys/stat.h> |
80 | 63a01ef8 | aliguori | #include <sys/ethernet.h> |
81 | 63a01ef8 | aliguori | #include <sys/sockio.h> |
82 | 63a01ef8 | aliguori | #include <netinet/arp.h> |
83 | 63a01ef8 | aliguori | #include <netinet/in.h> |
84 | 63a01ef8 | aliguori | #include <netinet/in_systm.h> |
85 | 63a01ef8 | aliguori | #include <netinet/ip.h> |
86 | 63a01ef8 | aliguori | #include <netinet/ip_icmp.h> // must come after ip.h |
87 | 63a01ef8 | aliguori | #include <netinet/udp.h> |
88 | 63a01ef8 | aliguori | #include <netinet/tcp.h> |
89 | 63a01ef8 | aliguori | #include <net/if.h> |
90 | 63a01ef8 | aliguori | #include <syslog.h> |
91 | 63a01ef8 | aliguori | #include <stropts.h> |
92 | 63a01ef8 | aliguori | #endif
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93 | 63a01ef8 | aliguori | #endif
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94 | 63a01ef8 | aliguori | #endif
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95 | 63a01ef8 | aliguori | |
96 | 63a01ef8 | aliguori | #if defined(__OpenBSD__)
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97 | 63a01ef8 | aliguori | #include <util.h> |
98 | 63a01ef8 | aliguori | #endif
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99 | 63a01ef8 | aliguori | |
100 | 63a01ef8 | aliguori | #if defined(CONFIG_VDE)
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101 | 63a01ef8 | aliguori | #include <libvdeplug.h> |
102 | 63a01ef8 | aliguori | #endif
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103 | 63a01ef8 | aliguori | |
104 | 511d2b14 | blueswir1 | #include "qemu-common.h" |
105 | 511d2b14 | blueswir1 | #include "net.h" |
106 | a8ed73f7 | Mark McLoughlin | #include "net/tap.h" |
107 | 511d2b14 | blueswir1 | #include "monitor.h" |
108 | 511d2b14 | blueswir1 | #include "sysemu.h" |
109 | 511d2b14 | blueswir1 | #include "qemu-timer.h" |
110 | 511d2b14 | blueswir1 | #include "qemu-char.h" |
111 | 511d2b14 | blueswir1 | #include "audio/audio.h" |
112 | 511d2b14 | blueswir1 | #include "qemu_socket.h" |
113 | bb9ea79e | aliguori | #include "qemu-log.h" |
114 | f83c6e10 | Mark McLoughlin | #include "qemu-config.h" |
115 | 511d2b14 | blueswir1 | |
116 | d918f23e | Jan Kiszka | #include "slirp/libslirp.h" |
117 | 511d2b14 | blueswir1 | |
118 | 5610c3aa | Mark McLoughlin | static QTAILQ_HEAD(, VLANState) vlans;
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119 | 577c4af9 | Mark McLoughlin | static QTAILQ_HEAD(, VLANClientState) non_vlan_clients;
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120 | 63a01ef8 | aliguori | |
121 | 63a01ef8 | aliguori | /***********************************************************/
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122 | 63a01ef8 | aliguori | /* network device redirectors */
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123 | 63a01ef8 | aliguori | |
124 | 63a01ef8 | aliguori | #if defined(DEBUG_NET) || defined(DEBUG_SLIRP)
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125 | 63a01ef8 | aliguori | static void hex_dump(FILE *f, const uint8_t *buf, int size) |
126 | 63a01ef8 | aliguori | { |
127 | 63a01ef8 | aliguori | int len, i, j, c;
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128 | 63a01ef8 | aliguori | |
129 | 63a01ef8 | aliguori | for(i=0;i<size;i+=16) { |
130 | 63a01ef8 | aliguori | len = size - i; |
131 | 63a01ef8 | aliguori | if (len > 16) |
132 | 63a01ef8 | aliguori | len = 16;
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133 | 63a01ef8 | aliguori | fprintf(f, "%08x ", i);
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134 | 63a01ef8 | aliguori | for(j=0;j<16;j++) { |
135 | 63a01ef8 | aliguori | if (j < len)
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136 | 63a01ef8 | aliguori | fprintf(f, " %02x", buf[i+j]);
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137 | 63a01ef8 | aliguori | else
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138 | 63a01ef8 | aliguori | fprintf(f, " ");
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139 | 63a01ef8 | aliguori | } |
140 | 63a01ef8 | aliguori | fprintf(f, " ");
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141 | 63a01ef8 | aliguori | for(j=0;j<len;j++) { |
142 | 63a01ef8 | aliguori | c = buf[i+j]; |
143 | 63a01ef8 | aliguori | if (c < ' ' || c > '~') |
144 | 63a01ef8 | aliguori | c = '.';
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145 | 63a01ef8 | aliguori | fprintf(f, "%c", c);
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146 | 63a01ef8 | aliguori | } |
147 | 63a01ef8 | aliguori | fprintf(f, "\n");
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148 | 63a01ef8 | aliguori | } |
149 | 63a01ef8 | aliguori | } |
150 | 63a01ef8 | aliguori | #endif
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151 | 63a01ef8 | aliguori | |
152 | 63a01ef8 | aliguori | static int parse_macaddr(uint8_t *macaddr, const char *p) |
153 | 63a01ef8 | aliguori | { |
154 | 63a01ef8 | aliguori | int i;
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155 | 63a01ef8 | aliguori | char *last_char;
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156 | 63a01ef8 | aliguori | long int offset; |
157 | 63a01ef8 | aliguori | |
158 | 63a01ef8 | aliguori | errno = 0;
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159 | 63a01ef8 | aliguori | offset = strtol(p, &last_char, 0);
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160 | 63a01ef8 | aliguori | if (0 == errno && '\0' == *last_char && |
161 | 63a01ef8 | aliguori | offset >= 0 && offset <= 0xFFFFFF) { |
162 | 63a01ef8 | aliguori | macaddr[3] = (offset & 0xFF0000) >> 16; |
163 | 63a01ef8 | aliguori | macaddr[4] = (offset & 0xFF00) >> 8; |
164 | 63a01ef8 | aliguori | macaddr[5] = offset & 0xFF; |
165 | 63a01ef8 | aliguori | return 0; |
166 | 63a01ef8 | aliguori | } else {
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167 | 63a01ef8 | aliguori | for(i = 0; i < 6; i++) { |
168 | 63a01ef8 | aliguori | macaddr[i] = strtol(p, (char **)&p, 16); |
169 | 63a01ef8 | aliguori | if (i == 5) { |
170 | 63a01ef8 | aliguori | if (*p != '\0') |
171 | 63a01ef8 | aliguori | return -1; |
172 | 63a01ef8 | aliguori | } else {
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173 | 63a01ef8 | aliguori | if (*p != ':' && *p != '-') |
174 | 63a01ef8 | aliguori | return -1; |
175 | 63a01ef8 | aliguori | p++; |
176 | 63a01ef8 | aliguori | } |
177 | 63a01ef8 | aliguori | } |
178 | 63a01ef8 | aliguori | return 0; |
179 | 63a01ef8 | aliguori | } |
180 | 63a01ef8 | aliguori | |
181 | 63a01ef8 | aliguori | return -1; |
182 | 63a01ef8 | aliguori | } |
183 | 63a01ef8 | aliguori | |
184 | 63a01ef8 | aliguori | static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
185 | 63a01ef8 | aliguori | { |
186 | 63a01ef8 | aliguori | const char *p, *p1; |
187 | 63a01ef8 | aliguori | int len;
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188 | 63a01ef8 | aliguori | p = *pp; |
189 | 63a01ef8 | aliguori | p1 = strchr(p, sep); |
190 | 63a01ef8 | aliguori | if (!p1)
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191 | 63a01ef8 | aliguori | return -1; |
192 | 63a01ef8 | aliguori | len = p1 - p; |
193 | 63a01ef8 | aliguori | p1++; |
194 | 63a01ef8 | aliguori | if (buf_size > 0) { |
195 | 63a01ef8 | aliguori | if (len > buf_size - 1) |
196 | 63a01ef8 | aliguori | len = buf_size - 1;
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197 | 63a01ef8 | aliguori | memcpy(buf, p, len); |
198 | 63a01ef8 | aliguori | buf[len] = '\0';
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199 | 63a01ef8 | aliguori | } |
200 | 63a01ef8 | aliguori | *pp = p1; |
201 | 63a01ef8 | aliguori | return 0; |
202 | 63a01ef8 | aliguori | } |
203 | 63a01ef8 | aliguori | |
204 | 63a01ef8 | aliguori | int parse_host_src_port(struct sockaddr_in *haddr, |
205 | 63a01ef8 | aliguori | struct sockaddr_in *saddr,
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206 | 63a01ef8 | aliguori | const char *input_str) |
207 | 63a01ef8 | aliguori | { |
208 | 63a01ef8 | aliguori | char *str = strdup(input_str);
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209 | 63a01ef8 | aliguori | char *host_str = str;
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210 | 63a01ef8 | aliguori | char *src_str;
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211 | 63a01ef8 | aliguori | const char *src_str2; |
212 | 63a01ef8 | aliguori | char *ptr;
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213 | 63a01ef8 | aliguori | |
214 | 63a01ef8 | aliguori | /*
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215 | 63a01ef8 | aliguori | * Chop off any extra arguments at the end of the string which
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216 | 63a01ef8 | aliguori | * would start with a comma, then fill in the src port information
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217 | 63a01ef8 | aliguori | * if it was provided else use the "any address" and "any port".
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218 | 63a01ef8 | aliguori | */
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219 | 63a01ef8 | aliguori | if ((ptr = strchr(str,','))) |
220 | 63a01ef8 | aliguori | *ptr = '\0';
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221 | 63a01ef8 | aliguori | |
222 | 63a01ef8 | aliguori | if ((src_str = strchr(input_str,'@'))) { |
223 | 63a01ef8 | aliguori | *src_str = '\0';
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224 | 63a01ef8 | aliguori | src_str++; |
225 | 63a01ef8 | aliguori | } |
226 | 63a01ef8 | aliguori | |
227 | 63a01ef8 | aliguori | if (parse_host_port(haddr, host_str) < 0) |
228 | 63a01ef8 | aliguori | goto fail;
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229 | 63a01ef8 | aliguori | |
230 | 63a01ef8 | aliguori | src_str2 = src_str; |
231 | 63a01ef8 | aliguori | if (!src_str || *src_str == '\0') |
232 | 63a01ef8 | aliguori | src_str2 = ":0";
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233 | 63a01ef8 | aliguori | |
234 | 63a01ef8 | aliguori | if (parse_host_port(saddr, src_str2) < 0) |
235 | 63a01ef8 | aliguori | goto fail;
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236 | 63a01ef8 | aliguori | |
237 | 63a01ef8 | aliguori | free(str); |
238 | 63a01ef8 | aliguori | return(0); |
239 | 63a01ef8 | aliguori | |
240 | 63a01ef8 | aliguori | fail:
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241 | 63a01ef8 | aliguori | free(str); |
242 | 63a01ef8 | aliguori | return -1; |
243 | 63a01ef8 | aliguori | } |
244 | 63a01ef8 | aliguori | |
245 | 63a01ef8 | aliguori | int parse_host_port(struct sockaddr_in *saddr, const char *str) |
246 | 63a01ef8 | aliguori | { |
247 | 63a01ef8 | aliguori | char buf[512]; |
248 | 63a01ef8 | aliguori | struct hostent *he;
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249 | 63a01ef8 | aliguori | const char *p, *r; |
250 | 63a01ef8 | aliguori | int port;
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251 | 63a01ef8 | aliguori | |
252 | 63a01ef8 | aliguori | p = str; |
253 | 63a01ef8 | aliguori | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
254 | 63a01ef8 | aliguori | return -1; |
255 | 63a01ef8 | aliguori | saddr->sin_family = AF_INET; |
256 | 63a01ef8 | aliguori | if (buf[0] == '\0') { |
257 | 63a01ef8 | aliguori | saddr->sin_addr.s_addr = 0;
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258 | 63a01ef8 | aliguori | } else {
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259 | cd390083 | blueswir1 | if (qemu_isdigit(buf[0])) { |
260 | 63a01ef8 | aliguori | if (!inet_aton(buf, &saddr->sin_addr))
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261 | 63a01ef8 | aliguori | return -1; |
262 | 63a01ef8 | aliguori | } else {
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263 | 63a01ef8 | aliguori | if ((he = gethostbyname(buf)) == NULL) |
264 | 63a01ef8 | aliguori | return - 1; |
265 | 63a01ef8 | aliguori | saddr->sin_addr = *(struct in_addr *)he->h_addr;
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266 | 63a01ef8 | aliguori | } |
267 | 63a01ef8 | aliguori | } |
268 | 63a01ef8 | aliguori | port = strtol(p, (char **)&r, 0); |
269 | 63a01ef8 | aliguori | if (r == p)
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270 | 63a01ef8 | aliguori | return -1; |
271 | 63a01ef8 | aliguori | saddr->sin_port = htons(port); |
272 | 63a01ef8 | aliguori | return 0; |
273 | 63a01ef8 | aliguori | } |
274 | 63a01ef8 | aliguori | |
275 | 7cb7434b | aliguori | void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]) |
276 | 7cb7434b | aliguori | { |
277 | 7cb7434b | aliguori | snprintf(vc->info_str, sizeof(vc->info_str),
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278 | 4dda4063 | aliguori | "model=%s,macaddr=%02x:%02x:%02x:%02x:%02x:%02x",
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279 | 4dda4063 | aliguori | vc->model, |
280 | 7cb7434b | aliguori | macaddr[0], macaddr[1], macaddr[2], |
281 | 7cb7434b | aliguori | macaddr[3], macaddr[4], macaddr[5]); |
282 | 7cb7434b | aliguori | } |
283 | 7cb7434b | aliguori | |
284 | 76d32cba | Gerd Hoffmann | void qemu_macaddr_default_if_unset(MACAddr *macaddr)
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285 | 76d32cba | Gerd Hoffmann | { |
286 | 76d32cba | Gerd Hoffmann | static int index = 0; |
287 | 76d32cba | Gerd Hoffmann | static const MACAddr zero = { .a = { 0,0,0,0,0,0 } }; |
288 | 76d32cba | Gerd Hoffmann | |
289 | 76d32cba | Gerd Hoffmann | if (memcmp(macaddr, &zero, sizeof(zero)) != 0) |
290 | 76d32cba | Gerd Hoffmann | return;
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291 | 76d32cba | Gerd Hoffmann | macaddr->a[0] = 0x52; |
292 | 76d32cba | Gerd Hoffmann | macaddr->a[1] = 0x54; |
293 | 76d32cba | Gerd Hoffmann | macaddr->a[2] = 0x00; |
294 | 76d32cba | Gerd Hoffmann | macaddr->a[3] = 0x12; |
295 | 76d32cba | Gerd Hoffmann | macaddr->a[4] = 0x34; |
296 | 76d32cba | Gerd Hoffmann | macaddr->a[5] = 0x56 + index++; |
297 | 76d32cba | Gerd Hoffmann | } |
298 | 76d32cba | Gerd Hoffmann | |
299 | 676cff29 | aliguori | static char *assign_name(VLANClientState *vc1, const char *model) |
300 | 676cff29 | aliguori | { |
301 | 676cff29 | aliguori | VLANState *vlan; |
302 | 676cff29 | aliguori | char buf[256]; |
303 | 676cff29 | aliguori | int id = 0; |
304 | 676cff29 | aliguori | |
305 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vlan, &vlans, next) { |
306 | 676cff29 | aliguori | VLANClientState *vc; |
307 | 676cff29 | aliguori | |
308 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
309 | 5610c3aa | Mark McLoughlin | if (vc != vc1 && strcmp(vc->model, model) == 0) { |
310 | 676cff29 | aliguori | id++; |
311 | 5610c3aa | Mark McLoughlin | } |
312 | 5610c3aa | Mark McLoughlin | } |
313 | 676cff29 | aliguori | } |
314 | 676cff29 | aliguori | |
315 | 676cff29 | aliguori | snprintf(buf, sizeof(buf), "%s.%d", model, id); |
316 | 676cff29 | aliguori | |
317 | 02374aa0 | Mark McLoughlin | return qemu_strdup(buf);
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318 | 676cff29 | aliguori | } |
319 | 676cff29 | aliguori | |
320 | 9a6ecb30 | Mark McLoughlin | static ssize_t qemu_deliver_packet(VLANClientState *sender,
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321 | c0b8e49c | Mark McLoughlin | unsigned flags,
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322 | 9a6ecb30 | Mark McLoughlin | const uint8_t *data,
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323 | 9a6ecb30 | Mark McLoughlin | size_t size, |
324 | 9a6ecb30 | Mark McLoughlin | void *opaque);
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325 | 9a6ecb30 | Mark McLoughlin | static ssize_t qemu_deliver_packet_iov(VLANClientState *sender,
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326 | c0b8e49c | Mark McLoughlin | unsigned flags,
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327 | 9a6ecb30 | Mark McLoughlin | const struct iovec *iov, |
328 | 9a6ecb30 | Mark McLoughlin | int iovcnt,
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329 | 9a6ecb30 | Mark McLoughlin | void *opaque);
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330 | 9a6ecb30 | Mark McLoughlin | |
331 | bb6e6364 | Mark McLoughlin | VLANClientState *qemu_new_vlan_client(net_client_type type, |
332 | bb6e6364 | Mark McLoughlin | VLANState *vlan, |
333 | 283c7c63 | Mark McLoughlin | VLANClientState *peer, |
334 | bf38c1a0 | aliguori | const char *model, |
335 | 7a9f6e4a | aliguori | const char *name, |
336 | cda9046b | Mark McLoughlin | NetCanReceive *can_receive, |
337 | cda9046b | Mark McLoughlin | NetReceive *receive, |
338 | 70783b9c | Mark McLoughlin | NetReceive *receive_raw, |
339 | cda9046b | Mark McLoughlin | NetReceiveIOV *receive_iov, |
340 | b946a153 | aliguori | NetCleanup *cleanup, |
341 | 63a01ef8 | aliguori | void *opaque)
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342 | 63a01ef8 | aliguori | { |
343 | 5610c3aa | Mark McLoughlin | VLANClientState *vc; |
344 | 5610c3aa | Mark McLoughlin | |
345 | 63a01ef8 | aliguori | vc = qemu_mallocz(sizeof(VLANClientState));
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346 | 5610c3aa | Mark McLoughlin | |
347 | bb6e6364 | Mark McLoughlin | vc->type = type; |
348 | 02374aa0 | Mark McLoughlin | vc->model = qemu_strdup(model); |
349 | 7a9f6e4a | aliguori | if (name)
|
350 | 02374aa0 | Mark McLoughlin | vc->name = qemu_strdup(name); |
351 | 7a9f6e4a | aliguori | else
|
352 | 7a9f6e4a | aliguori | vc->name = assign_name(vc, model); |
353 | cda9046b | Mark McLoughlin | vc->can_receive = can_receive; |
354 | cda9046b | Mark McLoughlin | vc->receive = receive; |
355 | 70783b9c | Mark McLoughlin | vc->receive_raw = receive_raw; |
356 | cda9046b | Mark McLoughlin | vc->receive_iov = receive_iov; |
357 | b946a153 | aliguori | vc->cleanup = cleanup; |
358 | 63a01ef8 | aliguori | vc->opaque = opaque; |
359 | 5610c3aa | Mark McLoughlin | |
360 | d80b9fc6 | Mark McLoughlin | if (vlan) {
|
361 | 283c7c63 | Mark McLoughlin | assert(!peer); |
362 | d80b9fc6 | Mark McLoughlin | vc->vlan = vlan; |
363 | d80b9fc6 | Mark McLoughlin | QTAILQ_INSERT_TAIL(&vc->vlan->clients, vc, next); |
364 | 577c4af9 | Mark McLoughlin | } else {
|
365 | 283c7c63 | Mark McLoughlin | if (peer) {
|
366 | 283c7c63 | Mark McLoughlin | vc->peer = peer; |
367 | 283c7c63 | Mark McLoughlin | peer->peer = vc; |
368 | 283c7c63 | Mark McLoughlin | } |
369 | 577c4af9 | Mark McLoughlin | QTAILQ_INSERT_TAIL(&non_vlan_clients, vc, next); |
370 | 9a6ecb30 | Mark McLoughlin | |
371 | 9a6ecb30 | Mark McLoughlin | vc->send_queue = qemu_new_net_queue(qemu_deliver_packet, |
372 | 9a6ecb30 | Mark McLoughlin | qemu_deliver_packet_iov, |
373 | 9a6ecb30 | Mark McLoughlin | vc); |
374 | d80b9fc6 | Mark McLoughlin | } |
375 | 63a01ef8 | aliguori | |
376 | 63a01ef8 | aliguori | return vc;
|
377 | 63a01ef8 | aliguori | } |
378 | 63a01ef8 | aliguori | |
379 | 63a01ef8 | aliguori | void qemu_del_vlan_client(VLANClientState *vc)
|
380 | 63a01ef8 | aliguori | { |
381 | d80b9fc6 | Mark McLoughlin | if (vc->vlan) {
|
382 | d80b9fc6 | Mark McLoughlin | QTAILQ_REMOVE(&vc->vlan->clients, vc, next); |
383 | 577c4af9 | Mark McLoughlin | } else {
|
384 | 9a6ecb30 | Mark McLoughlin | if (vc->send_queue) {
|
385 | 9a6ecb30 | Mark McLoughlin | qemu_del_net_queue(vc->send_queue); |
386 | 9a6ecb30 | Mark McLoughlin | } |
387 | 577c4af9 | Mark McLoughlin | QTAILQ_REMOVE(&non_vlan_clients, vc, next); |
388 | 283c7c63 | Mark McLoughlin | if (vc->peer) {
|
389 | 283c7c63 | Mark McLoughlin | vc->peer->peer = NULL;
|
390 | 283c7c63 | Mark McLoughlin | } |
391 | d80b9fc6 | Mark McLoughlin | } |
392 | 63a01ef8 | aliguori | |
393 | 5610c3aa | Mark McLoughlin | if (vc->cleanup) {
|
394 | 5610c3aa | Mark McLoughlin | vc->cleanup(vc); |
395 | 5610c3aa | Mark McLoughlin | } |
396 | 5610c3aa | Mark McLoughlin | |
397 | 5610c3aa | Mark McLoughlin | qemu_free(vc->name); |
398 | 5610c3aa | Mark McLoughlin | qemu_free(vc->model); |
399 | 5610c3aa | Mark McLoughlin | qemu_free(vc); |
400 | 63a01ef8 | aliguori | } |
401 | 63a01ef8 | aliguori | |
402 | 8b13c4a7 | aliguori | VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque)
|
403 | 8b13c4a7 | aliguori | { |
404 | 5610c3aa | Mark McLoughlin | VLANClientState *vc; |
405 | 8b13c4a7 | aliguori | |
406 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
407 | 5610c3aa | Mark McLoughlin | if (vc->opaque == opaque) {
|
408 | 5610c3aa | Mark McLoughlin | return vc;
|
409 | 5610c3aa | Mark McLoughlin | } |
410 | 5610c3aa | Mark McLoughlin | } |
411 | 8b13c4a7 | aliguori | |
412 | 8b13c4a7 | aliguori | return NULL; |
413 | 8b13c4a7 | aliguori | } |
414 | 8b13c4a7 | aliguori | |
415 | 1a609520 | Jan Kiszka | static VLANClientState *
|
416 | 1a609520 | Jan Kiszka | qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
|
417 | 1a609520 | Jan Kiszka | const char *client_str) |
418 | 1a609520 | Jan Kiszka | { |
419 | 1a609520 | Jan Kiszka | VLANState *vlan; |
420 | 1a609520 | Jan Kiszka | VLANClientState *vc; |
421 | 1a609520 | Jan Kiszka | |
422 | 1a609520 | Jan Kiszka | vlan = qemu_find_vlan(vlan_id, 0);
|
423 | 1a609520 | Jan Kiszka | if (!vlan) {
|
424 | 1a609520 | Jan Kiszka | monitor_printf(mon, "unknown VLAN %d\n", vlan_id);
|
425 | 1a609520 | Jan Kiszka | return NULL; |
426 | 1a609520 | Jan Kiszka | } |
427 | 1a609520 | Jan Kiszka | |
428 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
429 | 1a609520 | Jan Kiszka | if (!strcmp(vc->name, client_str)) {
|
430 | 1a609520 | Jan Kiszka | break;
|
431 | 1a609520 | Jan Kiszka | } |
432 | 1a609520 | Jan Kiszka | } |
433 | 1a609520 | Jan Kiszka | if (!vc) {
|
434 | 1a609520 | Jan Kiszka | monitor_printf(mon, "can't find device %s on VLAN %d\n",
|
435 | 1a609520 | Jan Kiszka | client_str, vlan_id); |
436 | 1a609520 | Jan Kiszka | } |
437 | 1a609520 | Jan Kiszka | |
438 | 1a609520 | Jan Kiszka | return vc;
|
439 | 1a609520 | Jan Kiszka | } |
440 | 1a609520 | Jan Kiszka | |
441 | 2e1e0641 | Mark McLoughlin | int qemu_can_send_packet(VLANClientState *sender)
|
442 | 63a01ef8 | aliguori | { |
443 | 2e1e0641 | Mark McLoughlin | VLANState *vlan = sender->vlan; |
444 | 63a01ef8 | aliguori | VLANClientState *vc; |
445 | 63a01ef8 | aliguori | |
446 | 9a6ecb30 | Mark McLoughlin | if (sender->peer) {
|
447 | 9a6ecb30 | Mark McLoughlin | if (!sender->peer->can_receive ||
|
448 | 9a6ecb30 | Mark McLoughlin | sender->peer->can_receive(sender->peer)) { |
449 | 9a6ecb30 | Mark McLoughlin | return 1; |
450 | 9a6ecb30 | Mark McLoughlin | } else {
|
451 | 9a6ecb30 | Mark McLoughlin | return 0; |
452 | 9a6ecb30 | Mark McLoughlin | } |
453 | 9a6ecb30 | Mark McLoughlin | } |
454 | 9a6ecb30 | Mark McLoughlin | |
455 | d80b9fc6 | Mark McLoughlin | if (!sender->vlan) {
|
456 | d80b9fc6 | Mark McLoughlin | return 1; |
457 | d80b9fc6 | Mark McLoughlin | } |
458 | d80b9fc6 | Mark McLoughlin | |
459 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
460 | 2e1e0641 | Mark McLoughlin | if (vc == sender) {
|
461 | 2e1e0641 | Mark McLoughlin | continue;
|
462 | 2e1e0641 | Mark McLoughlin | } |
463 | 2e1e0641 | Mark McLoughlin | |
464 | cda9046b | Mark McLoughlin | /* no can_receive() handler, they can always receive */
|
465 | e3f5ec2b | Mark McLoughlin | if (!vc->can_receive || vc->can_receive(vc)) {
|
466 | 2e1e0641 | Mark McLoughlin | return 1; |
467 | 63a01ef8 | aliguori | } |
468 | 63a01ef8 | aliguori | } |
469 | 63a01ef8 | aliguori | return 0; |
470 | 63a01ef8 | aliguori | } |
471 | 63a01ef8 | aliguori | |
472 | 9a6ecb30 | Mark McLoughlin | static ssize_t qemu_deliver_packet(VLANClientState *sender,
|
473 | c0b8e49c | Mark McLoughlin | unsigned flags,
|
474 | 9a6ecb30 | Mark McLoughlin | const uint8_t *data,
|
475 | 9a6ecb30 | Mark McLoughlin | size_t size, |
476 | 9a6ecb30 | Mark McLoughlin | void *opaque)
|
477 | 9a6ecb30 | Mark McLoughlin | { |
478 | 9a6ecb30 | Mark McLoughlin | VLANClientState *vc = opaque; |
479 | 9a6ecb30 | Mark McLoughlin | |
480 | 9a6ecb30 | Mark McLoughlin | if (vc->link_down) {
|
481 | 9a6ecb30 | Mark McLoughlin | return size;
|
482 | 9a6ecb30 | Mark McLoughlin | } |
483 | 9a6ecb30 | Mark McLoughlin | |
484 | ca77d175 | Mark McLoughlin | if (flags & QEMU_NET_PACKET_FLAG_RAW && vc->receive_raw)
|
485 | ca77d175 | Mark McLoughlin | return vc->receive_raw(vc, data, size);
|
486 | ca77d175 | Mark McLoughlin | else
|
487 | ca77d175 | Mark McLoughlin | return vc->receive(vc, data, size);
|
488 | 9a6ecb30 | Mark McLoughlin | } |
489 | 9a6ecb30 | Mark McLoughlin | |
490 | f7105843 | Mark McLoughlin | static ssize_t qemu_vlan_deliver_packet(VLANClientState *sender,
|
491 | c0b8e49c | Mark McLoughlin | unsigned flags,
|
492 | f7105843 | Mark McLoughlin | const uint8_t *buf,
|
493 | f7105843 | Mark McLoughlin | size_t size, |
494 | f7105843 | Mark McLoughlin | void *opaque)
|
495 | 63a01ef8 | aliguori | { |
496 | f7105843 | Mark McLoughlin | VLANState *vlan = opaque; |
497 | 63a01ef8 | aliguori | VLANClientState *vc; |
498 | 3e021d40 | Mark McLoughlin | int ret = -1; |
499 | 63a01ef8 | aliguori | |
500 | f7105843 | Mark McLoughlin | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
501 | 3e021d40 | Mark McLoughlin | ssize_t len; |
502 | 3e021d40 | Mark McLoughlin | |
503 | 3e021d40 | Mark McLoughlin | if (vc == sender) {
|
504 | 3e021d40 | Mark McLoughlin | continue;
|
505 | 764a4d1d | aliguori | } |
506 | 3e021d40 | Mark McLoughlin | |
507 | 3e021d40 | Mark McLoughlin | if (vc->link_down) {
|
508 | 3e021d40 | Mark McLoughlin | ret = size; |
509 | 3e021d40 | Mark McLoughlin | continue;
|
510 | 3e021d40 | Mark McLoughlin | } |
511 | 3e021d40 | Mark McLoughlin | |
512 | ca77d175 | Mark McLoughlin | if (flags & QEMU_NET_PACKET_FLAG_RAW && vc->receive_raw)
|
513 | ca77d175 | Mark McLoughlin | len = vc->receive_raw(vc, buf, size); |
514 | ca77d175 | Mark McLoughlin | else
|
515 | ca77d175 | Mark McLoughlin | len = vc->receive(vc, buf, size); |
516 | 3e021d40 | Mark McLoughlin | |
517 | 3e021d40 | Mark McLoughlin | ret = (ret >= 0) ? ret : len;
|
518 | 764a4d1d | aliguori | } |
519 | 3e021d40 | Mark McLoughlin | |
520 | 3e021d40 | Mark McLoughlin | return ret;
|
521 | 764a4d1d | aliguori | } |
522 | 764a4d1d | aliguori | |
523 | 8cad5516 | Mark McLoughlin | void qemu_purge_queued_packets(VLANClientState *vc)
|
524 | 8cad5516 | Mark McLoughlin | { |
525 | 9a6ecb30 | Mark McLoughlin | NetQueue *queue; |
526 | 9a6ecb30 | Mark McLoughlin | |
527 | 9a6ecb30 | Mark McLoughlin | if (!vc->peer && !vc->vlan) {
|
528 | d80b9fc6 | Mark McLoughlin | return;
|
529 | 9a6ecb30 | Mark McLoughlin | } |
530 | d80b9fc6 | Mark McLoughlin | |
531 | 9a6ecb30 | Mark McLoughlin | if (vc->peer) {
|
532 | 9a6ecb30 | Mark McLoughlin | queue = vc->peer->send_queue; |
533 | 9a6ecb30 | Mark McLoughlin | } else {
|
534 | 9a6ecb30 | Mark McLoughlin | queue = vc->vlan->send_queue; |
535 | 9a6ecb30 | Mark McLoughlin | } |
536 | 9a6ecb30 | Mark McLoughlin | |
537 | 9a6ecb30 | Mark McLoughlin | qemu_net_queue_purge(queue, vc); |
538 | 8cad5516 | Mark McLoughlin | } |
539 | 8cad5516 | Mark McLoughlin | |
540 | f3b6c7fc | Mark McLoughlin | void qemu_flush_queued_packets(VLANClientState *vc)
|
541 | e94667b9 | Mark McLoughlin | { |
542 | 9a6ecb30 | Mark McLoughlin | NetQueue *queue; |
543 | 9a6ecb30 | Mark McLoughlin | |
544 | 9a6ecb30 | Mark McLoughlin | if (vc->vlan) {
|
545 | 9a6ecb30 | Mark McLoughlin | queue = vc->vlan->send_queue; |
546 | 9a6ecb30 | Mark McLoughlin | } else {
|
547 | 9a6ecb30 | Mark McLoughlin | queue = vc->send_queue; |
548 | 9a6ecb30 | Mark McLoughlin | } |
549 | d80b9fc6 | Mark McLoughlin | |
550 | 9a6ecb30 | Mark McLoughlin | qemu_net_queue_flush(queue); |
551 | e94667b9 | Mark McLoughlin | } |
552 | e94667b9 | Mark McLoughlin | |
553 | ca77d175 | Mark McLoughlin | static ssize_t qemu_send_packet_async_with_flags(VLANClientState *sender,
|
554 | ca77d175 | Mark McLoughlin | unsigned flags,
|
555 | ca77d175 | Mark McLoughlin | const uint8_t *buf, int size, |
556 | ca77d175 | Mark McLoughlin | NetPacketSent *sent_cb) |
557 | 764a4d1d | aliguori | { |
558 | 9a6ecb30 | Mark McLoughlin | NetQueue *queue; |
559 | 436e5e53 | aliguori | |
560 | 63a01ef8 | aliguori | #ifdef DEBUG_NET
|
561 | d80b9fc6 | Mark McLoughlin | printf("qemu_send_packet_async:\n");
|
562 | 63a01ef8 | aliguori | hex_dump(stdout, buf, size); |
563 | 63a01ef8 | aliguori | #endif
|
564 | f3b6c7fc | Mark McLoughlin | |
565 | 9a6ecb30 | Mark McLoughlin | if (sender->link_down || (!sender->peer && !sender->vlan)) {
|
566 | 9a6ecb30 | Mark McLoughlin | return size;
|
567 | 9a6ecb30 | Mark McLoughlin | } |
568 | 9a6ecb30 | Mark McLoughlin | |
569 | 9a6ecb30 | Mark McLoughlin | if (sender->peer) {
|
570 | 9a6ecb30 | Mark McLoughlin | queue = sender->peer->send_queue; |
571 | 9a6ecb30 | Mark McLoughlin | } else {
|
572 | 9a6ecb30 | Mark McLoughlin | queue = sender->vlan->send_queue; |
573 | 9a6ecb30 | Mark McLoughlin | } |
574 | 9a6ecb30 | Mark McLoughlin | |
575 | ca77d175 | Mark McLoughlin | return qemu_net_queue_send(queue, sender, flags, buf, size, sent_cb);
|
576 | ca77d175 | Mark McLoughlin | } |
577 | ca77d175 | Mark McLoughlin | |
578 | ca77d175 | Mark McLoughlin | ssize_t qemu_send_packet_async(VLANClientState *sender, |
579 | ca77d175 | Mark McLoughlin | const uint8_t *buf, int size, |
580 | ca77d175 | Mark McLoughlin | NetPacketSent *sent_cb) |
581 | ca77d175 | Mark McLoughlin | { |
582 | ca77d175 | Mark McLoughlin | return qemu_send_packet_async_with_flags(sender, QEMU_NET_PACKET_FLAG_NONE,
|
583 | ca77d175 | Mark McLoughlin | buf, size, sent_cb); |
584 | f3b6c7fc | Mark McLoughlin | } |
585 | f3b6c7fc | Mark McLoughlin | |
586 | f3b6c7fc | Mark McLoughlin | void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size) |
587 | f3b6c7fc | Mark McLoughlin | { |
588 | f3b6c7fc | Mark McLoughlin | qemu_send_packet_async(vc, buf, size, NULL);
|
589 | 63a01ef8 | aliguori | } |
590 | 63a01ef8 | aliguori | |
591 | ca77d175 | Mark McLoughlin | ssize_t qemu_send_packet_raw(VLANClientState *vc, const uint8_t *buf, int size) |
592 | ca77d175 | Mark McLoughlin | { |
593 | ca77d175 | Mark McLoughlin | return qemu_send_packet_async_with_flags(vc, QEMU_NET_PACKET_FLAG_RAW,
|
594 | ca77d175 | Mark McLoughlin | buf, size, NULL);
|
595 | ca77d175 | Mark McLoughlin | } |
596 | ca77d175 | Mark McLoughlin | |
597 | fbe78f4f | aliguori | static ssize_t vc_sendv_compat(VLANClientState *vc, const struct iovec *iov, |
598 | fbe78f4f | aliguori | int iovcnt)
|
599 | fbe78f4f | aliguori | { |
600 | fbe78f4f | aliguori | uint8_t buffer[4096];
|
601 | fbe78f4f | aliguori | size_t offset = 0;
|
602 | fbe78f4f | aliguori | int i;
|
603 | fbe78f4f | aliguori | |
604 | fbe78f4f | aliguori | for (i = 0; i < iovcnt; i++) { |
605 | fbe78f4f | aliguori | size_t len; |
606 | fbe78f4f | aliguori | |
607 | fbe78f4f | aliguori | len = MIN(sizeof(buffer) - offset, iov[i].iov_len);
|
608 | fbe78f4f | aliguori | memcpy(buffer + offset, iov[i].iov_base, len); |
609 | fbe78f4f | aliguori | offset += len; |
610 | fbe78f4f | aliguori | } |
611 | fbe78f4f | aliguori | |
612 | f3b6c7fc | Mark McLoughlin | return vc->receive(vc, buffer, offset);
|
613 | fbe78f4f | aliguori | } |
614 | fbe78f4f | aliguori | |
615 | e0e7877a | aliguori | static ssize_t calc_iov_length(const struct iovec *iov, int iovcnt) |
616 | e0e7877a | aliguori | { |
617 | e0e7877a | aliguori | size_t offset = 0;
|
618 | e0e7877a | aliguori | int i;
|
619 | e0e7877a | aliguori | |
620 | e0e7877a | aliguori | for (i = 0; i < iovcnt; i++) |
621 | e0e7877a | aliguori | offset += iov[i].iov_len; |
622 | e0e7877a | aliguori | return offset;
|
623 | e0e7877a | aliguori | } |
624 | e0e7877a | aliguori | |
625 | 9a6ecb30 | Mark McLoughlin | static ssize_t qemu_deliver_packet_iov(VLANClientState *sender,
|
626 | c0b8e49c | Mark McLoughlin | unsigned flags,
|
627 | 9a6ecb30 | Mark McLoughlin | const struct iovec *iov, |
628 | 9a6ecb30 | Mark McLoughlin | int iovcnt,
|
629 | 9a6ecb30 | Mark McLoughlin | void *opaque)
|
630 | 9a6ecb30 | Mark McLoughlin | { |
631 | 9a6ecb30 | Mark McLoughlin | VLANClientState *vc = opaque; |
632 | 9a6ecb30 | Mark McLoughlin | |
633 | 9a6ecb30 | Mark McLoughlin | if (vc->link_down) {
|
634 | 9a6ecb30 | Mark McLoughlin | return calc_iov_length(iov, iovcnt);
|
635 | 9a6ecb30 | Mark McLoughlin | } |
636 | 9a6ecb30 | Mark McLoughlin | |
637 | 9a6ecb30 | Mark McLoughlin | if (vc->receive_iov) {
|
638 | 9a6ecb30 | Mark McLoughlin | return vc->receive_iov(vc, iov, iovcnt);
|
639 | 9a6ecb30 | Mark McLoughlin | } else {
|
640 | 9a6ecb30 | Mark McLoughlin | return vc_sendv_compat(vc, iov, iovcnt);
|
641 | 9a6ecb30 | Mark McLoughlin | } |
642 | 9a6ecb30 | Mark McLoughlin | } |
643 | 9a6ecb30 | Mark McLoughlin | |
644 | f7105843 | Mark McLoughlin | static ssize_t qemu_vlan_deliver_packet_iov(VLANClientState *sender,
|
645 | c0b8e49c | Mark McLoughlin | unsigned flags,
|
646 | f7105843 | Mark McLoughlin | const struct iovec *iov, |
647 | f7105843 | Mark McLoughlin | int iovcnt,
|
648 | f7105843 | Mark McLoughlin | void *opaque)
|
649 | fbe78f4f | aliguori | { |
650 | f7105843 | Mark McLoughlin | VLANState *vlan = opaque; |
651 | fbe78f4f | aliguori | VLANClientState *vc; |
652 | f7105843 | Mark McLoughlin | ssize_t ret = -1;
|
653 | e94667b9 | Mark McLoughlin | |
654 | f7105843 | Mark McLoughlin | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
655 | e94667b9 | Mark McLoughlin | ssize_t len; |
656 | e94667b9 | Mark McLoughlin | |
657 | e94667b9 | Mark McLoughlin | if (vc == sender) {
|
658 | e94667b9 | Mark McLoughlin | continue;
|
659 | e94667b9 | Mark McLoughlin | } |
660 | e94667b9 | Mark McLoughlin | |
661 | e94667b9 | Mark McLoughlin | if (vc->link_down) {
|
662 | e94667b9 | Mark McLoughlin | ret = calc_iov_length(iov, iovcnt); |
663 | e94667b9 | Mark McLoughlin | continue;
|
664 | e94667b9 | Mark McLoughlin | } |
665 | e94667b9 | Mark McLoughlin | |
666 | ca77d175 | Mark McLoughlin | assert(!(flags & QEMU_NET_PACKET_FLAG_RAW)); |
667 | ca77d175 | Mark McLoughlin | |
668 | e94667b9 | Mark McLoughlin | if (vc->receive_iov) {
|
669 | e94667b9 | Mark McLoughlin | len = vc->receive_iov(vc, iov, iovcnt); |
670 | e94667b9 | Mark McLoughlin | } else {
|
671 | e94667b9 | Mark McLoughlin | len = vc_sendv_compat(vc, iov, iovcnt); |
672 | e94667b9 | Mark McLoughlin | } |
673 | e94667b9 | Mark McLoughlin | |
674 | e94667b9 | Mark McLoughlin | ret = (ret >= 0) ? ret : len;
|
675 | e94667b9 | Mark McLoughlin | } |
676 | e94667b9 | Mark McLoughlin | |
677 | e94667b9 | Mark McLoughlin | return ret;
|
678 | e94667b9 | Mark McLoughlin | } |
679 | e94667b9 | Mark McLoughlin | |
680 | f3b6c7fc | Mark McLoughlin | ssize_t qemu_sendv_packet_async(VLANClientState *sender, |
681 | f3b6c7fc | Mark McLoughlin | const struct iovec *iov, int iovcnt, |
682 | f3b6c7fc | Mark McLoughlin | NetPacketSent *sent_cb) |
683 | e94667b9 | Mark McLoughlin | { |
684 | 9a6ecb30 | Mark McLoughlin | NetQueue *queue; |
685 | 9a6ecb30 | Mark McLoughlin | |
686 | 9a6ecb30 | Mark McLoughlin | if (sender->link_down || (!sender->peer && !sender->vlan)) {
|
687 | e94667b9 | Mark McLoughlin | return calc_iov_length(iov, iovcnt);
|
688 | e94667b9 | Mark McLoughlin | } |
689 | e94667b9 | Mark McLoughlin | |
690 | 9a6ecb30 | Mark McLoughlin | if (sender->peer) {
|
691 | 9a6ecb30 | Mark McLoughlin | queue = sender->peer->send_queue; |
692 | 9a6ecb30 | Mark McLoughlin | } else {
|
693 | 9a6ecb30 | Mark McLoughlin | queue = sender->vlan->send_queue; |
694 | 9a6ecb30 | Mark McLoughlin | } |
695 | 9a6ecb30 | Mark McLoughlin | |
696 | c0b8e49c | Mark McLoughlin | return qemu_net_queue_send_iov(queue, sender,
|
697 | c0b8e49c | Mark McLoughlin | QEMU_NET_PACKET_FLAG_NONE, |
698 | c0b8e49c | Mark McLoughlin | iov, iovcnt, sent_cb); |
699 | fbe78f4f | aliguori | } |
700 | fbe78f4f | aliguori | |
701 | f3b6c7fc | Mark McLoughlin | ssize_t |
702 | f3b6c7fc | Mark McLoughlin | qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov, int iovcnt) |
703 | f3b6c7fc | Mark McLoughlin | { |
704 | f3b6c7fc | Mark McLoughlin | return qemu_sendv_packet_async(vc, iov, iovcnt, NULL); |
705 | f3b6c7fc | Mark McLoughlin | } |
706 | f3b6c7fc | Mark McLoughlin | |
707 | 63a01ef8 | aliguori | #if defined(CONFIG_SLIRP)
|
708 | 63a01ef8 | aliguori | |
709 | 63a01ef8 | aliguori | /* slirp network adapter */
|
710 | 63a01ef8 | aliguori | |
711 | c92ef6a2 | Jan Kiszka | #define SLIRP_CFG_HOSTFWD 1 |
712 | c92ef6a2 | Jan Kiszka | #define SLIRP_CFG_LEGACY 2 |
713 | ad196a9d | Jan Kiszka | |
714 | b8e8af38 | Jan Kiszka | struct slirp_config_str {
|
715 | b8e8af38 | Jan Kiszka | struct slirp_config_str *next;
|
716 | ad196a9d | Jan Kiszka | int flags;
|
717 | ad196a9d | Jan Kiszka | char str[1024]; |
718 | c92ef6a2 | Jan Kiszka | int legacy_format;
|
719 | b8e8af38 | Jan Kiszka | }; |
720 | b8e8af38 | Jan Kiszka | |
721 | 9f8bd042 | Jan Kiszka | typedef struct SlirpState { |
722 | 72cf2d4f | Blue Swirl | QTAILQ_ENTRY(SlirpState) entry; |
723 | 9f8bd042 | Jan Kiszka | VLANClientState *vc; |
724 | 9f8bd042 | Jan Kiszka | Slirp *slirp; |
725 | 28432466 | Jan Kiszka | #ifndef _WIN32
|
726 | 28432466 | Jan Kiszka | char smb_dir[128]; |
727 | 28432466 | Jan Kiszka | #endif
|
728 | 9f8bd042 | Jan Kiszka | } SlirpState; |
729 | 9f8bd042 | Jan Kiszka | |
730 | ad196a9d | Jan Kiszka | static struct slirp_config_str *slirp_configs; |
731 | ad196a9d | Jan Kiszka | const char *legacy_tftp_prefix; |
732 | ad196a9d | Jan Kiszka | const char *legacy_bootp_filename; |
733 | 72cf2d4f | Blue Swirl | static QTAILQ_HEAD(slirp_stacks, SlirpState) slirp_stacks =
|
734 | 72cf2d4f | Blue Swirl | QTAILQ_HEAD_INITIALIZER(slirp_stacks); |
735 | 63a01ef8 | aliguori | |
736 | fb12577c | Markus Armbruster | static int slirp_hostfwd(SlirpState *s, const char *redir_str, |
737 | 0752706d | Markus Armbruster | int legacy_format);
|
738 | fb12577c | Markus Armbruster | static int slirp_guestfwd(SlirpState *s, const char *config_str, |
739 | 3c6a0580 | Jan Kiszka | int legacy_format);
|
740 | ad196a9d | Jan Kiszka | |
741 | c5b76b38 | Blue Swirl | #ifndef _WIN32
|
742 | ad196a9d | Jan Kiszka | static const char *legacy_smb_export; |
743 | ad196a9d | Jan Kiszka | |
744 | fb12577c | Markus Armbruster | static int slirp_smb(SlirpState *s, const char *exported_dir, |
745 | 0752706d | Markus Armbruster | struct in_addr vserver_addr);
|
746 | 28432466 | Jan Kiszka | static void slirp_smb_cleanup(SlirpState *s); |
747 | 28432466 | Jan Kiszka | #else
|
748 | 28432466 | Jan Kiszka | static inline void slirp_smb_cleanup(SlirpState *s) { } |
749 | c5b76b38 | Blue Swirl | #endif
|
750 | b8e8af38 | Jan Kiszka | |
751 | 9f8bd042 | Jan Kiszka | int slirp_can_output(void *opaque) |
752 | 63a01ef8 | aliguori | { |
753 | 9f8bd042 | Jan Kiszka | SlirpState *s = opaque; |
754 | 9f8bd042 | Jan Kiszka | |
755 | 9f8bd042 | Jan Kiszka | return qemu_can_send_packet(s->vc);
|
756 | 63a01ef8 | aliguori | } |
757 | 63a01ef8 | aliguori | |
758 | 9f8bd042 | Jan Kiszka | void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len) |
759 | 63a01ef8 | aliguori | { |
760 | 9f8bd042 | Jan Kiszka | SlirpState *s = opaque; |
761 | 9f8bd042 | Jan Kiszka | |
762 | 63a01ef8 | aliguori | #ifdef DEBUG_SLIRP
|
763 | 63a01ef8 | aliguori | printf("slirp output:\n");
|
764 | 63a01ef8 | aliguori | hex_dump(stdout, pkt, pkt_len); |
765 | 63a01ef8 | aliguori | #endif
|
766 | 9f8bd042 | Jan Kiszka | qemu_send_packet(s->vc, pkt, pkt_len); |
767 | 63a01ef8 | aliguori | } |
768 | 63a01ef8 | aliguori | |
769 | 4f1c942b | Mark McLoughlin | static ssize_t slirp_receive(VLANClientState *vc, const uint8_t *buf, size_t size) |
770 | 63a01ef8 | aliguori | { |
771 | 9f8bd042 | Jan Kiszka | SlirpState *s = vc->opaque; |
772 | 9f8bd042 | Jan Kiszka | |
773 | 63a01ef8 | aliguori | #ifdef DEBUG_SLIRP
|
774 | 63a01ef8 | aliguori | printf("slirp input:\n");
|
775 | 63a01ef8 | aliguori | hex_dump(stdout, buf, size); |
776 | 63a01ef8 | aliguori | #endif
|
777 | 9f8bd042 | Jan Kiszka | slirp_input(s->slirp, buf, size); |
778 | 4f1c942b | Mark McLoughlin | return size;
|
779 | 63a01ef8 | aliguori | } |
780 | 63a01ef8 | aliguori | |
781 | 8d6249a7 | aliguori | static void net_slirp_cleanup(VLANClientState *vc) |
782 | 8d6249a7 | aliguori | { |
783 | ad0d8c4c | Jan Kiszka | SlirpState *s = vc->opaque; |
784 | ad0d8c4c | Jan Kiszka | |
785 | ad0d8c4c | Jan Kiszka | slirp_cleanup(s->slirp); |
786 | 28432466 | Jan Kiszka | slirp_smb_cleanup(s); |
787 | 72cf2d4f | Blue Swirl | QTAILQ_REMOVE(&slirp_stacks, s, entry); |
788 | ad0d8c4c | Jan Kiszka | qemu_free(s); |
789 | 8d6249a7 | aliguori | } |
790 | 8d6249a7 | aliguori | |
791 | fb12577c | Markus Armbruster | static int net_slirp_init(VLANState *vlan, const char *model, |
792 | c92ef6a2 | Jan Kiszka | const char *name, int restricted, |
793 | c92ef6a2 | Jan Kiszka | const char *vnetwork, const char *vhost, |
794 | c92ef6a2 | Jan Kiszka | const char *vhostname, const char *tftp_export, |
795 | c92ef6a2 | Jan Kiszka | const char *bootfile, const char *vdhcp_start, |
796 | c92ef6a2 | Jan Kiszka | const char *vnameserver, const char *smb_export, |
797 | c92ef6a2 | Jan Kiszka | const char *vsmbserver) |
798 | 63a01ef8 | aliguori | { |
799 | ad0d8c4c | Jan Kiszka | /* default settings according to historic slirp */
|
800 | 8389e7f4 | Anthony Liguori | struct in_addr net = { .s_addr = htonl(0x0a000200) }; /* 10.0.2.0 */ |
801 | 8389e7f4 | Anthony Liguori | struct in_addr mask = { .s_addr = htonl(0xffffff00) }; /* 255.255.255.0 */ |
802 | ad0d8c4c | Jan Kiszka | struct in_addr host = { .s_addr = htonl(0x0a000202) }; /* 10.0.2.2 */ |
803 | ad0d8c4c | Jan Kiszka | struct in_addr dhcp = { .s_addr = htonl(0x0a00020f) }; /* 10.0.2.15 */ |
804 | ad0d8c4c | Jan Kiszka | struct in_addr dns = { .s_addr = htonl(0x0a000203) }; /* 10.0.2.3 */ |
805 | c92ef6a2 | Jan Kiszka | #ifndef _WIN32
|
806 | ad0d8c4c | Jan Kiszka | struct in_addr smbsrv = { .s_addr = 0 }; |
807 | c92ef6a2 | Jan Kiszka | #endif
|
808 | ad0d8c4c | Jan Kiszka | SlirpState *s; |
809 | ad0d8c4c | Jan Kiszka | char buf[20]; |
810 | ad0d8c4c | Jan Kiszka | uint32_t addr; |
811 | ad0d8c4c | Jan Kiszka | int shift;
|
812 | ad0d8c4c | Jan Kiszka | char *end;
|
813 | 3a179c66 | Markus Armbruster | struct slirp_config_str *config;
|
814 | ad0d8c4c | Jan Kiszka | |
815 | ad0d8c4c | Jan Kiszka | if (!tftp_export) {
|
816 | ad0d8c4c | Jan Kiszka | tftp_export = legacy_tftp_prefix; |
817 | ad0d8c4c | Jan Kiszka | } |
818 | ad0d8c4c | Jan Kiszka | if (!bootfile) {
|
819 | ad0d8c4c | Jan Kiszka | bootfile = legacy_bootp_filename; |
820 | ad0d8c4c | Jan Kiszka | } |
821 | c92ef6a2 | Jan Kiszka | |
822 | ad0d8c4c | Jan Kiszka | if (vnetwork) {
|
823 | ad0d8c4c | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &vnetwork, '/') < 0) { |
824 | ad0d8c4c | Jan Kiszka | if (!inet_aton(vnetwork, &net)) {
|
825 | ad0d8c4c | Jan Kiszka | return -1; |
826 | ad0d8c4c | Jan Kiszka | } |
827 | ad0d8c4c | Jan Kiszka | addr = ntohl(net.s_addr); |
828 | ad0d8c4c | Jan Kiszka | if (!(addr & 0x80000000)) { |
829 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xff000000); /* class A */ |
830 | ad0d8c4c | Jan Kiszka | } else if ((addr & 0xfff00000) == 0xac100000) { |
831 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xfff00000); /* priv. 172.16.0.0/12 */ |
832 | ad0d8c4c | Jan Kiszka | } else if ((addr & 0xc0000000) == 0x80000000) { |
833 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xffff0000); /* class B */ |
834 | ad0d8c4c | Jan Kiszka | } else if ((addr & 0xffff0000) == 0xc0a80000) { |
835 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xffff0000); /* priv. 192.168.0.0/16 */ |
836 | ad0d8c4c | Jan Kiszka | } else if ((addr & 0xffff0000) == 0xc6120000) { |
837 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xfffe0000); /* tests 198.18.0.0/15 */ |
838 | ad0d8c4c | Jan Kiszka | } else if ((addr & 0xe0000000) == 0xe0000000) { |
839 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xffffff00); /* class C */ |
840 | c92ef6a2 | Jan Kiszka | } else {
|
841 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xfffffff0); /* multicast/reserved */ |
842 | ad0d8c4c | Jan Kiszka | } |
843 | ad0d8c4c | Jan Kiszka | } else {
|
844 | ad0d8c4c | Jan Kiszka | if (!inet_aton(buf, &net)) {
|
845 | ad0d8c4c | Jan Kiszka | return -1; |
846 | ad0d8c4c | Jan Kiszka | } |
847 | ad0d8c4c | Jan Kiszka | shift = strtol(vnetwork, &end, 10);
|
848 | ad0d8c4c | Jan Kiszka | if (*end != '\0') { |
849 | ad0d8c4c | Jan Kiszka | if (!inet_aton(vnetwork, &mask)) {
|
850 | c92ef6a2 | Jan Kiszka | return -1; |
851 | c92ef6a2 | Jan Kiszka | } |
852 | ad0d8c4c | Jan Kiszka | } else if (shift < 4 || shift > 32) { |
853 | ad0d8c4c | Jan Kiszka | return -1; |
854 | ad0d8c4c | Jan Kiszka | } else {
|
855 | ad0d8c4c | Jan Kiszka | mask.s_addr = htonl(0xffffffff << (32 - shift)); |
856 | c92ef6a2 | Jan Kiszka | } |
857 | c92ef6a2 | Jan Kiszka | } |
858 | ad0d8c4c | Jan Kiszka | net.s_addr &= mask.s_addr; |
859 | ad0d8c4c | Jan Kiszka | host.s_addr = net.s_addr | (htonl(0x0202) & ~mask.s_addr);
|
860 | ad0d8c4c | Jan Kiszka | dhcp.s_addr = net.s_addr | (htonl(0x020f) & ~mask.s_addr);
|
861 | ad0d8c4c | Jan Kiszka | dns.s_addr = net.s_addr | (htonl(0x0203) & ~mask.s_addr);
|
862 | ad0d8c4c | Jan Kiszka | } |
863 | c92ef6a2 | Jan Kiszka | |
864 | ad0d8c4c | Jan Kiszka | if (vhost && !inet_aton(vhost, &host)) {
|
865 | ad0d8c4c | Jan Kiszka | return -1; |
866 | ad0d8c4c | Jan Kiszka | } |
867 | ad0d8c4c | Jan Kiszka | if ((host.s_addr & mask.s_addr) != net.s_addr) {
|
868 | ad0d8c4c | Jan Kiszka | return -1; |
869 | ad0d8c4c | Jan Kiszka | } |
870 | c92ef6a2 | Jan Kiszka | |
871 | ad0d8c4c | Jan Kiszka | if (vdhcp_start && !inet_aton(vdhcp_start, &dhcp)) {
|
872 | ad0d8c4c | Jan Kiszka | return -1; |
873 | ad0d8c4c | Jan Kiszka | } |
874 | ad0d8c4c | Jan Kiszka | if ((dhcp.s_addr & mask.s_addr) != net.s_addr ||
|
875 | ad0d8c4c | Jan Kiszka | dhcp.s_addr == host.s_addr || dhcp.s_addr == dns.s_addr) { |
876 | ad0d8c4c | Jan Kiszka | return -1; |
877 | ad0d8c4c | Jan Kiszka | } |
878 | c92ef6a2 | Jan Kiszka | |
879 | ad0d8c4c | Jan Kiszka | if (vnameserver && !inet_aton(vnameserver, &dns)) {
|
880 | ad0d8c4c | Jan Kiszka | return -1; |
881 | ad0d8c4c | Jan Kiszka | } |
882 | ad0d8c4c | Jan Kiszka | if ((dns.s_addr & mask.s_addr) != net.s_addr ||
|
883 | ad0d8c4c | Jan Kiszka | dns.s_addr == host.s_addr) { |
884 | ad0d8c4c | Jan Kiszka | return -1; |
885 | ad0d8c4c | Jan Kiszka | } |
886 | c92ef6a2 | Jan Kiszka | |
887 | c92ef6a2 | Jan Kiszka | #ifndef _WIN32
|
888 | ad0d8c4c | Jan Kiszka | if (vsmbserver && !inet_aton(vsmbserver, &smbsrv)) {
|
889 | ad0d8c4c | Jan Kiszka | return -1; |
890 | ad0d8c4c | Jan Kiszka | } |
891 | c92ef6a2 | Jan Kiszka | #endif
|
892 | c92ef6a2 | Jan Kiszka | |
893 | ad0d8c4c | Jan Kiszka | s = qemu_mallocz(sizeof(SlirpState));
|
894 | ad0d8c4c | Jan Kiszka | s->slirp = slirp_init(restricted, net, mask, host, vhostname, |
895 | ad0d8c4c | Jan Kiszka | tftp_export, bootfile, dhcp, dns, s); |
896 | 72cf2d4f | Blue Swirl | QTAILQ_INSERT_TAIL(&slirp_stacks, s, entry); |
897 | b8e8af38 | Jan Kiszka | |
898 | 3a179c66 | Markus Armbruster | for (config = slirp_configs; config; config = config->next) {
|
899 | ad0d8c4c | Jan Kiszka | if (config->flags & SLIRP_CFG_HOSTFWD) {
|
900 | fb12577c | Markus Armbruster | if (slirp_hostfwd(s, config->str,
|
901 | 0752706d | Markus Armbruster | config->flags & SLIRP_CFG_LEGACY) < 0)
|
902 | 0752706d | Markus Armbruster | return -1; |
903 | ad0d8c4c | Jan Kiszka | } else {
|
904 | fb12577c | Markus Armbruster | if (slirp_guestfwd(s, config->str,
|
905 | 0752706d | Markus Armbruster | config->flags & SLIRP_CFG_LEGACY) < 0)
|
906 | 0752706d | Markus Armbruster | return -1; |
907 | b8e8af38 | Jan Kiszka | } |
908 | ad0d8c4c | Jan Kiszka | } |
909 | b8e8af38 | Jan Kiszka | #ifndef _WIN32
|
910 | ad0d8c4c | Jan Kiszka | if (!smb_export) {
|
911 | ad0d8c4c | Jan Kiszka | smb_export = legacy_smb_export; |
912 | ad0d8c4c | Jan Kiszka | } |
913 | ad0d8c4c | Jan Kiszka | if (smb_export) {
|
914 | fb12577c | Markus Armbruster | if (slirp_smb(s, smb_export, smbsrv) < 0) |
915 | 0752706d | Markus Armbruster | return -1; |
916 | 63a01ef8 | aliguori | } |
917 | ad0d8c4c | Jan Kiszka | #endif
|
918 | b8e8af38 | Jan Kiszka | |
919 | bb6e6364 | Mark McLoughlin | s->vc = qemu_new_vlan_client(NET_CLIENT_TYPE_SLIRP, |
920 | bb6e6364 | Mark McLoughlin | vlan, NULL, model, name, NULL, |
921 | 70783b9c | Mark McLoughlin | slirp_receive, NULL, NULL, |
922 | 9f8bd042 | Jan Kiszka | net_slirp_cleanup, s); |
923 | fc57bc57 | Jan Kiszka | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
924 | fc57bc57 | Jan Kiszka | "net=%s, restricted=%c", inet_ntoa(net), restricted ? 'y' : 'n'); |
925 | 63a01ef8 | aliguori | return 0; |
926 | 63a01ef8 | aliguori | } |
927 | 63a01ef8 | aliguori | |
928 | f13b572c | Jan Kiszka | static SlirpState *slirp_lookup(Monitor *mon, const char *vlan, |
929 | f13b572c | Jan Kiszka | const char *stack) |
930 | f13b572c | Jan Kiszka | { |
931 | f13b572c | Jan Kiszka | VLANClientState *vc; |
932 | f13b572c | Jan Kiszka | |
933 | f13b572c | Jan Kiszka | if (vlan) {
|
934 | f13b572c | Jan Kiszka | vc = qemu_find_vlan_client_by_name(mon, strtol(vlan, NULL, 0), stack); |
935 | f13b572c | Jan Kiszka | if (!vc) {
|
936 | f13b572c | Jan Kiszka | return NULL; |
937 | f13b572c | Jan Kiszka | } |
938 | f13b572c | Jan Kiszka | if (strcmp(vc->model, "user")) { |
939 | f13b572c | Jan Kiszka | monitor_printf(mon, "invalid device specified\n");
|
940 | f13b572c | Jan Kiszka | return NULL; |
941 | f13b572c | Jan Kiszka | } |
942 | f13b572c | Jan Kiszka | return vc->opaque;
|
943 | f13b572c | Jan Kiszka | } else {
|
944 | 72cf2d4f | Blue Swirl | if (QTAILQ_EMPTY(&slirp_stacks)) {
|
945 | f13b572c | Jan Kiszka | monitor_printf(mon, "user mode network stack not in use\n");
|
946 | f13b572c | Jan Kiszka | return NULL; |
947 | f13b572c | Jan Kiszka | } |
948 | 72cf2d4f | Blue Swirl | return QTAILQ_FIRST(&slirp_stacks);
|
949 | f13b572c | Jan Kiszka | } |
950 | f13b572c | Jan Kiszka | } |
951 | f13b572c | Jan Kiszka | |
952 | 1d4daa91 | Luiz Capitulino | void net_slirp_hostfwd_remove(Monitor *mon, const QDict *qdict) |
953 | c1261d8d | Alexander Graf | { |
954 | 3c6a0580 | Jan Kiszka | struct in_addr host_addr = { .s_addr = INADDR_ANY };
|
955 | c1261d8d | Alexander Graf | int host_port;
|
956 | c1261d8d | Alexander Graf | char buf[256] = ""; |
957 | f13b572c | Jan Kiszka | const char *src_str, *p; |
958 | f13b572c | Jan Kiszka | SlirpState *s; |
959 | c1261d8d | Alexander Graf | int is_udp = 0; |
960 | 9c12a6f2 | Jan Kiszka | int err;
|
961 | 1d4daa91 | Luiz Capitulino | const char *arg1 = qdict_get_str(qdict, "arg1"); |
962 | 1d4daa91 | Luiz Capitulino | const char *arg2 = qdict_get_try_str(qdict, "arg2"); |
963 | 1d4daa91 | Luiz Capitulino | const char *arg3 = qdict_get_try_str(qdict, "arg3"); |
964 | c1261d8d | Alexander Graf | |
965 | f13b572c | Jan Kiszka | if (arg2) {
|
966 | f13b572c | Jan Kiszka | s = slirp_lookup(mon, arg1, arg2); |
967 | f13b572c | Jan Kiszka | src_str = arg3; |
968 | f13b572c | Jan Kiszka | } else {
|
969 | f13b572c | Jan Kiszka | s = slirp_lookup(mon, NULL, NULL); |
970 | f13b572c | Jan Kiszka | src_str = arg1; |
971 | f13b572c | Jan Kiszka | } |
972 | f13b572c | Jan Kiszka | if (!s) {
|
973 | c1261d8d | Alexander Graf | return;
|
974 | f3546deb | Jan Kiszka | } |
975 | c1261d8d | Alexander Graf | |
976 | 3c6a0580 | Jan Kiszka | if (!src_str || !src_str[0]) |
977 | c1261d8d | Alexander Graf | goto fail_syntax;
|
978 | c1261d8d | Alexander Graf | |
979 | f13b572c | Jan Kiszka | p = src_str; |
980 | c1261d8d | Alexander Graf | get_str_sep(buf, sizeof(buf), &p, ':'); |
981 | c1261d8d | Alexander Graf | |
982 | c1261d8d | Alexander Graf | if (!strcmp(buf, "tcp") || buf[0] == '\0') { |
983 | c1261d8d | Alexander Graf | is_udp = 0;
|
984 | c1261d8d | Alexander Graf | } else if (!strcmp(buf, "udp")) { |
985 | c1261d8d | Alexander Graf | is_udp = 1;
|
986 | c1261d8d | Alexander Graf | } else {
|
987 | c1261d8d | Alexander Graf | goto fail_syntax;
|
988 | c1261d8d | Alexander Graf | } |
989 | c1261d8d | Alexander Graf | |
990 | 3c6a0580 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
991 | 3c6a0580 | Jan Kiszka | goto fail_syntax;
|
992 | 3c6a0580 | Jan Kiszka | } |
993 | 3c6a0580 | Jan Kiszka | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { |
994 | 3c6a0580 | Jan Kiszka | goto fail_syntax;
|
995 | 3c6a0580 | Jan Kiszka | } |
996 | 3c6a0580 | Jan Kiszka | |
997 | c1261d8d | Alexander Graf | host_port = atoi(p); |
998 | c1261d8d | Alexander Graf | |
999 | 72cf2d4f | Blue Swirl | err = slirp_remove_hostfwd(QTAILQ_FIRST(&slirp_stacks)->slirp, is_udp, |
1000 | 9f8bd042 | Jan Kiszka | host_addr, host_port); |
1001 | c1261d8d | Alexander Graf | |
1002 | 9c12a6f2 | Jan Kiszka | monitor_printf(mon, "host forwarding rule for %s %s\n", src_str,
|
1003 | 9c12a6f2 | Jan Kiszka | err ? "removed" : "not found"); |
1004 | c1261d8d | Alexander Graf | return;
|
1005 | c1261d8d | Alexander Graf | |
1006 | c1261d8d | Alexander Graf | fail_syntax:
|
1007 | c1261d8d | Alexander Graf | monitor_printf(mon, "invalid format\n");
|
1008 | c1261d8d | Alexander Graf | } |
1009 | c1261d8d | Alexander Graf | |
1010 | fb12577c | Markus Armbruster | static int slirp_hostfwd(SlirpState *s, const char *redir_str, |
1011 | 0752706d | Markus Armbruster | int legacy_format)
|
1012 | 63a01ef8 | aliguori | { |
1013 | 3c6a0580 | Jan Kiszka | struct in_addr host_addr = { .s_addr = INADDR_ANY };
|
1014 | c92ef6a2 | Jan Kiszka | struct in_addr guest_addr = { .s_addr = 0 }; |
1015 | 63a01ef8 | aliguori | int host_port, guest_port;
|
1016 | b8e8af38 | Jan Kiszka | const char *p; |
1017 | c92ef6a2 | Jan Kiszka | char buf[256]; |
1018 | b8e8af38 | Jan Kiszka | int is_udp;
|
1019 | c92ef6a2 | Jan Kiszka | char *end;
|
1020 | 1c6ed9f3 | Alexander Graf | |
1021 | 63a01ef8 | aliguori | p = redir_str; |
1022 | f13b572c | Jan Kiszka | if (!p || get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1023 | d4ebe193 | aliguori | goto fail_syntax;
|
1024 | b8e8af38 | Jan Kiszka | } |
1025 | d4ebe193 | aliguori | if (!strcmp(buf, "tcp") || buf[0] == '\0') { |
1026 | 63a01ef8 | aliguori | is_udp = 0;
|
1027 | 63a01ef8 | aliguori | } else if (!strcmp(buf, "udp")) { |
1028 | 63a01ef8 | aliguori | is_udp = 1;
|
1029 | 63a01ef8 | aliguori | } else {
|
1030 | d4ebe193 | aliguori | goto fail_syntax;
|
1031 | 63a01ef8 | aliguori | } |
1032 | 63a01ef8 | aliguori | |
1033 | 3c6a0580 | Jan Kiszka | if (!legacy_format) {
|
1034 | 3c6a0580 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1035 | 3c6a0580 | Jan Kiszka | goto fail_syntax;
|
1036 | 3c6a0580 | Jan Kiszka | } |
1037 | 3c6a0580 | Jan Kiszka | if (buf[0] != '\0' && !inet_aton(buf, &host_addr)) { |
1038 | 3c6a0580 | Jan Kiszka | goto fail_syntax;
|
1039 | 3c6a0580 | Jan Kiszka | } |
1040 | 3c6a0580 | Jan Kiszka | } |
1041 | 3c6a0580 | Jan Kiszka | |
1042 | 3c6a0580 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, legacy_format ? ':' : '-') < 0) { |
1043 | d4ebe193 | aliguori | goto fail_syntax;
|
1044 | b8e8af38 | Jan Kiszka | } |
1045 | c92ef6a2 | Jan Kiszka | host_port = strtol(buf, &end, 0);
|
1046 | c92ef6a2 | Jan Kiszka | if (*end != '\0' || host_port < 1 || host_port > 65535) { |
1047 | d4ebe193 | aliguori | goto fail_syntax;
|
1048 | b8e8af38 | Jan Kiszka | } |
1049 | 63a01ef8 | aliguori | |
1050 | b8e8af38 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1051 | d4ebe193 | aliguori | goto fail_syntax;
|
1052 | b8e8af38 | Jan Kiszka | } |
1053 | c92ef6a2 | Jan Kiszka | if (buf[0] != '\0' && !inet_aton(buf, &guest_addr)) { |
1054 | d4ebe193 | aliguori | goto fail_syntax;
|
1055 | b8e8af38 | Jan Kiszka | } |
1056 | 63a01ef8 | aliguori | |
1057 | c92ef6a2 | Jan Kiszka | guest_port = strtol(p, &end, 0);
|
1058 | c92ef6a2 | Jan Kiszka | if (*end != '\0' || guest_port < 1 || guest_port > 65535) { |
1059 | d4ebe193 | aliguori | goto fail_syntax;
|
1060 | b8e8af38 | Jan Kiszka | } |
1061 | 63a01ef8 | aliguori | |
1062 | 9f8bd042 | Jan Kiszka | if (slirp_add_hostfwd(s->slirp, is_udp, host_addr, host_port, guest_addr,
|
1063 | 9f8bd042 | Jan Kiszka | guest_port) < 0) {
|
1064 | fb12577c | Markus Armbruster | qemu_error("could not set up host forwarding rule '%s'\n",
|
1065 | fb12577c | Markus Armbruster | redir_str); |
1066 | 0752706d | Markus Armbruster | return -1; |
1067 | 63a01ef8 | aliguori | } |
1068 | 0752706d | Markus Armbruster | return 0; |
1069 | d4ebe193 | aliguori | |
1070 | d4ebe193 | aliguori | fail_syntax:
|
1071 | fb12577c | Markus Armbruster | qemu_error("invalid host forwarding rule '%s'\n", redir_str);
|
1072 | 0752706d | Markus Armbruster | return -1; |
1073 | 63a01ef8 | aliguori | } |
1074 | 63a01ef8 | aliguori | |
1075 | 1d4daa91 | Luiz Capitulino | void net_slirp_hostfwd_add(Monitor *mon, const QDict *qdict) |
1076 | b8e8af38 | Jan Kiszka | { |
1077 | f13b572c | Jan Kiszka | const char *redir_str; |
1078 | f13b572c | Jan Kiszka | SlirpState *s; |
1079 | 1d4daa91 | Luiz Capitulino | const char *arg1 = qdict_get_str(qdict, "arg1"); |
1080 | 1d4daa91 | Luiz Capitulino | const char *arg2 = qdict_get_try_str(qdict, "arg2"); |
1081 | 1d4daa91 | Luiz Capitulino | const char *arg3 = qdict_get_try_str(qdict, "arg3"); |
1082 | f13b572c | Jan Kiszka | |
1083 | f13b572c | Jan Kiszka | if (arg2) {
|
1084 | f13b572c | Jan Kiszka | s = slirp_lookup(mon, arg1, arg2); |
1085 | f13b572c | Jan Kiszka | redir_str = arg3; |
1086 | f13b572c | Jan Kiszka | } else {
|
1087 | f13b572c | Jan Kiszka | s = slirp_lookup(mon, NULL, NULL); |
1088 | f13b572c | Jan Kiszka | redir_str = arg1; |
1089 | f13b572c | Jan Kiszka | } |
1090 | f13b572c | Jan Kiszka | if (s) {
|
1091 | fb12577c | Markus Armbruster | slirp_hostfwd(s, redir_str, 0);
|
1092 | b8e8af38 | Jan Kiszka | } |
1093 | b8e8af38 | Jan Kiszka | |
1094 | f3546deb | Jan Kiszka | } |
1095 | f3546deb | Jan Kiszka | |
1096 | 0752706d | Markus Armbruster | int net_slirp_redir(const char *redir_str) |
1097 | f3546deb | Jan Kiszka | { |
1098 | f3546deb | Jan Kiszka | struct slirp_config_str *config;
|
1099 | f3546deb | Jan Kiszka | |
1100 | 72cf2d4f | Blue Swirl | if (QTAILQ_EMPTY(&slirp_stacks)) {
|
1101 | f3546deb | Jan Kiszka | config = qemu_malloc(sizeof(*config));
|
1102 | f3546deb | Jan Kiszka | pstrcpy(config->str, sizeof(config->str), redir_str);
|
1103 | 3c6a0580 | Jan Kiszka | config->flags = SLIRP_CFG_HOSTFWD | SLIRP_CFG_LEGACY; |
1104 | f3546deb | Jan Kiszka | config->next = slirp_configs; |
1105 | f3546deb | Jan Kiszka | slirp_configs = config; |
1106 | 0752706d | Markus Armbruster | return 0; |
1107 | b8e8af38 | Jan Kiszka | } |
1108 | b8e8af38 | Jan Kiszka | |
1109 | fb12577c | Markus Armbruster | return slirp_hostfwd(QTAILQ_FIRST(&slirp_stacks), redir_str, 1); |
1110 | b8e8af38 | Jan Kiszka | } |
1111 | b8e8af38 | Jan Kiszka | |
1112 | 63a01ef8 | aliguori | #ifndef _WIN32
|
1113 | 63a01ef8 | aliguori | |
1114 | 63a01ef8 | aliguori | /* automatic user mode samba server configuration */
|
1115 | 28432466 | Jan Kiszka | static void slirp_smb_cleanup(SlirpState *s) |
1116 | 63a01ef8 | aliguori | { |
1117 | 28432466 | Jan Kiszka | char cmd[128]; |
1118 | 09c18925 | Jan Kiszka | |
1119 | 28432466 | Jan Kiszka | if (s->smb_dir[0] != '\0') { |
1120 | 28432466 | Jan Kiszka | snprintf(cmd, sizeof(cmd), "rm -rf %s", s->smb_dir); |
1121 | 28432466 | Jan Kiszka | system(cmd); |
1122 | 28432466 | Jan Kiszka | s->smb_dir[0] = '\0'; |
1123 | 28432466 | Jan Kiszka | } |
1124 | 63a01ef8 | aliguori | } |
1125 | 63a01ef8 | aliguori | |
1126 | fb12577c | Markus Armbruster | static int slirp_smb(SlirpState* s, const char *exported_dir, |
1127 | 0752706d | Markus Armbruster | struct in_addr vserver_addr)
|
1128 | 63a01ef8 | aliguori | { |
1129 | 28432466 | Jan Kiszka | static int instance; |
1130 | 28432466 | Jan Kiszka | char smb_conf[128]; |
1131 | 28432466 | Jan Kiszka | char smb_cmdline[128]; |
1132 | 63a01ef8 | aliguori | FILE *f; |
1133 | 63a01ef8 | aliguori | |
1134 | 28432466 | Jan Kiszka | snprintf(s->smb_dir, sizeof(s->smb_dir), "/tmp/qemu-smb.%ld-%d", |
1135 | 28432466 | Jan Kiszka | (long)getpid(), instance++);
|
1136 | 28432466 | Jan Kiszka | if (mkdir(s->smb_dir, 0700) < 0) { |
1137 | fb12577c | Markus Armbruster | qemu_error("could not create samba server dir '%s'\n", s->smb_dir);
|
1138 | 0752706d | Markus Armbruster | return -1; |
1139 | 63a01ef8 | aliguori | } |
1140 | 28432466 | Jan Kiszka | snprintf(smb_conf, sizeof(smb_conf), "%s/%s", s->smb_dir, "smb.conf"); |
1141 | 63a01ef8 | aliguori | |
1142 | 63a01ef8 | aliguori | f = fopen(smb_conf, "w");
|
1143 | 63a01ef8 | aliguori | if (!f) {
|
1144 | 28432466 | Jan Kiszka | slirp_smb_cleanup(s); |
1145 | fb12577c | Markus Armbruster | qemu_error("could not create samba server configuration file '%s'\n",
|
1146 | fb12577c | Markus Armbruster | smb_conf); |
1147 | 0752706d | Markus Armbruster | return -1; |
1148 | 63a01ef8 | aliguori | } |
1149 | 63a01ef8 | aliguori | fprintf(f, |
1150 | 63a01ef8 | aliguori | "[global]\n"
|
1151 | 63a01ef8 | aliguori | "private dir=%s\n"
|
1152 | 63a01ef8 | aliguori | "smb ports=0\n"
|
1153 | 63a01ef8 | aliguori | "socket address=127.0.0.1\n"
|
1154 | 63a01ef8 | aliguori | "pid directory=%s\n"
|
1155 | 63a01ef8 | aliguori | "lock directory=%s\n"
|
1156 | 63a01ef8 | aliguori | "log file=%s/log.smbd\n"
|
1157 | 63a01ef8 | aliguori | "smb passwd file=%s/smbpasswd\n"
|
1158 | 63a01ef8 | aliguori | "security = share\n"
|
1159 | 63a01ef8 | aliguori | "[qemu]\n"
|
1160 | 63a01ef8 | aliguori | "path=%s\n"
|
1161 | 63a01ef8 | aliguori | "read only=no\n"
|
1162 | 63a01ef8 | aliguori | "guest ok=yes\n",
|
1163 | 28432466 | Jan Kiszka | s->smb_dir, |
1164 | 28432466 | Jan Kiszka | s->smb_dir, |
1165 | 28432466 | Jan Kiszka | s->smb_dir, |
1166 | 28432466 | Jan Kiszka | s->smb_dir, |
1167 | 28432466 | Jan Kiszka | s->smb_dir, |
1168 | 63a01ef8 | aliguori | exported_dir |
1169 | 63a01ef8 | aliguori | ); |
1170 | 63a01ef8 | aliguori | fclose(f); |
1171 | 63a01ef8 | aliguori | |
1172 | 63a01ef8 | aliguori | snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", |
1173 | 63a01ef8 | aliguori | SMBD_COMMAND, smb_conf); |
1174 | 63a01ef8 | aliguori | |
1175 | bb53fc53 | Jan Kiszka | if (slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 139) < 0) { |
1176 | 28432466 | Jan Kiszka | slirp_smb_cleanup(s); |
1177 | fb12577c | Markus Armbruster | qemu_error("conflicting/invalid smbserver address\n");
|
1178 | 0752706d | Markus Armbruster | return -1; |
1179 | c92ef6a2 | Jan Kiszka | } |
1180 | 0752706d | Markus Armbruster | return 0; |
1181 | 63a01ef8 | aliguori | } |
1182 | 63a01ef8 | aliguori | |
1183 | ad196a9d | Jan Kiszka | /* automatic user mode samba server configuration (legacy interface) */
|
1184 | 0752706d | Markus Armbruster | int net_slirp_smb(const char *exported_dir) |
1185 | b8e8af38 | Jan Kiszka | { |
1186 | c92ef6a2 | Jan Kiszka | struct in_addr vserver_addr = { .s_addr = 0 }; |
1187 | c92ef6a2 | Jan Kiszka | |
1188 | ad196a9d | Jan Kiszka | if (legacy_smb_export) {
|
1189 | b8e8af38 | Jan Kiszka | fprintf(stderr, "-smb given twice\n");
|
1190 | 0752706d | Markus Armbruster | return -1; |
1191 | b8e8af38 | Jan Kiszka | } |
1192 | ad196a9d | Jan Kiszka | legacy_smb_export = exported_dir; |
1193 | 72cf2d4f | Blue Swirl | if (!QTAILQ_EMPTY(&slirp_stacks)) {
|
1194 | fb12577c | Markus Armbruster | return slirp_smb(QTAILQ_FIRST(&slirp_stacks), exported_dir,
|
1195 | 0752706d | Markus Armbruster | vserver_addr); |
1196 | b8e8af38 | Jan Kiszka | } |
1197 | 0752706d | Markus Armbruster | return 0; |
1198 | b8e8af38 | Jan Kiszka | } |
1199 | b8e8af38 | Jan Kiszka | |
1200 | 63a01ef8 | aliguori | #endif /* !defined(_WIN32) */ |
1201 | b8e8af38 | Jan Kiszka | |
1202 | c92ef6a2 | Jan Kiszka | struct GuestFwd {
|
1203 | 8ca9217d | aliguori | CharDriverState *hd; |
1204 | c92ef6a2 | Jan Kiszka | struct in_addr server;
|
1205 | 8ca9217d | aliguori | int port;
|
1206 | 9f8bd042 | Jan Kiszka | Slirp *slirp; |
1207 | 511d2b14 | blueswir1 | }; |
1208 | 8ca9217d | aliguori | |
1209 | c92ef6a2 | Jan Kiszka | static int guestfwd_can_read(void *opaque) |
1210 | 8ca9217d | aliguori | { |
1211 | c92ef6a2 | Jan Kiszka | struct GuestFwd *fwd = opaque;
|
1212 | 9f8bd042 | Jan Kiszka | return slirp_socket_can_recv(fwd->slirp, fwd->server, fwd->port);
|
1213 | 8ca9217d | aliguori | } |
1214 | 8ca9217d | aliguori | |
1215 | c92ef6a2 | Jan Kiszka | static void guestfwd_read(void *opaque, const uint8_t *buf, int size) |
1216 | 8ca9217d | aliguori | { |
1217 | c92ef6a2 | Jan Kiszka | struct GuestFwd *fwd = opaque;
|
1218 | 9f8bd042 | Jan Kiszka | slirp_socket_recv(fwd->slirp, fwd->server, fwd->port, buf, size); |
1219 | 8ca9217d | aliguori | } |
1220 | 8ca9217d | aliguori | |
1221 | fb12577c | Markus Armbruster | static int slirp_guestfwd(SlirpState *s, const char *config_str, |
1222 | 0752706d | Markus Armbruster | int legacy_format)
|
1223 | ad196a9d | Jan Kiszka | { |
1224 | c92ef6a2 | Jan Kiszka | struct in_addr server = { .s_addr = 0 }; |
1225 | c92ef6a2 | Jan Kiszka | struct GuestFwd *fwd;
|
1226 | c92ef6a2 | Jan Kiszka | const char *p; |
1227 | c92ef6a2 | Jan Kiszka | char buf[128]; |
1228 | c92ef6a2 | Jan Kiszka | char *end;
|
1229 | ad196a9d | Jan Kiszka | int port;
|
1230 | ad196a9d | Jan Kiszka | |
1231 | c92ef6a2 | Jan Kiszka | p = config_str; |
1232 | c92ef6a2 | Jan Kiszka | if (legacy_format) {
|
1233 | c92ef6a2 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1234 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1235 | c92ef6a2 | Jan Kiszka | } |
1236 | c92ef6a2 | Jan Kiszka | } else {
|
1237 | c92ef6a2 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1238 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1239 | c92ef6a2 | Jan Kiszka | } |
1240 | c92ef6a2 | Jan Kiszka | if (strcmp(buf, "tcp") && buf[0] != '\0') { |
1241 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1242 | c92ef6a2 | Jan Kiszka | } |
1243 | c92ef6a2 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) { |
1244 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1245 | c92ef6a2 | Jan Kiszka | } |
1246 | c92ef6a2 | Jan Kiszka | if (buf[0] != '\0' && !inet_aton(buf, &server)) { |
1247 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1248 | c92ef6a2 | Jan Kiszka | } |
1249 | c92ef6a2 | Jan Kiszka | if (get_str_sep(buf, sizeof(buf), &p, '-') < 0) { |
1250 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1251 | c92ef6a2 | Jan Kiszka | } |
1252 | c92ef6a2 | Jan Kiszka | } |
1253 | c92ef6a2 | Jan Kiszka | port = strtol(buf, &end, 10);
|
1254 | c92ef6a2 | Jan Kiszka | if (*end != '\0' || port < 1 || port > 65535) { |
1255 | c92ef6a2 | Jan Kiszka | goto fail_syntax;
|
1256 | ad196a9d | Jan Kiszka | } |
1257 | ad196a9d | Jan Kiszka | |
1258 | c92ef6a2 | Jan Kiszka | fwd = qemu_malloc(sizeof(struct GuestFwd)); |
1259 | c92ef6a2 | Jan Kiszka | snprintf(buf, sizeof(buf), "guestfwd.tcp:%d", port); |
1260 | c92ef6a2 | Jan Kiszka | fwd->hd = qemu_chr_open(buf, p, NULL);
|
1261 | c92ef6a2 | Jan Kiszka | if (!fwd->hd) {
|
1262 | fb12577c | Markus Armbruster | qemu_error("could not open guest forwarding device '%s'\n", buf);
|
1263 | c92ef6a2 | Jan Kiszka | qemu_free(fwd); |
1264 | 0752706d | Markus Armbruster | return -1; |
1265 | ad196a9d | Jan Kiszka | } |
1266 | ad196a9d | Jan Kiszka | |
1267 | bb53fc53 | Jan Kiszka | if (slirp_add_exec(s->slirp, 3, fwd->hd, &server, port) < 0) { |
1268 | fb12577c | Markus Armbruster | qemu_error("conflicting/invalid host:port in guest forwarding "
|
1269 | fb12577c | Markus Armbruster | "rule '%s'\n", config_str);
|
1270 | c92ef6a2 | Jan Kiszka | qemu_free(fwd); |
1271 | 0752706d | Markus Armbruster | return -1; |
1272 | c92ef6a2 | Jan Kiszka | } |
1273 | bb53fc53 | Jan Kiszka | fwd->server = server; |
1274 | bb53fc53 | Jan Kiszka | fwd->port = port; |
1275 | bb53fc53 | Jan Kiszka | fwd->slirp = s->slirp; |
1276 | bb53fc53 | Jan Kiszka | |
1277 | c92ef6a2 | Jan Kiszka | qemu_chr_add_handlers(fwd->hd, guestfwd_can_read, guestfwd_read, |
1278 | c92ef6a2 | Jan Kiszka | NULL, fwd);
|
1279 | 0752706d | Markus Armbruster | return 0; |
1280 | c92ef6a2 | Jan Kiszka | |
1281 | c92ef6a2 | Jan Kiszka | fail_syntax:
|
1282 | fb12577c | Markus Armbruster | qemu_error("invalid guest forwarding rule '%s'\n", config_str);
|
1283 | 0752706d | Markus Armbruster | return -1; |
1284 | ad196a9d | Jan Kiszka | } |
1285 | ad196a9d | Jan Kiszka | |
1286 | 6dbe553f | Jan Kiszka | void do_info_usernet(Monitor *mon)
|
1287 | 6dbe553f | Jan Kiszka | { |
1288 | b1c99fcd | Jan Kiszka | SlirpState *s; |
1289 | 9f8bd042 | Jan Kiszka | |
1290 | 72cf2d4f | Blue Swirl | QTAILQ_FOREACH(s, &slirp_stacks, entry) { |
1291 | b1c99fcd | Jan Kiszka | monitor_printf(mon, "VLAN %d (%s):\n", s->vc->vlan->id, s->vc->name);
|
1292 | b1c99fcd | Jan Kiszka | slirp_connection_info(s->slirp, mon); |
1293 | 9f8bd042 | Jan Kiszka | } |
1294 | 6dbe553f | Jan Kiszka | } |
1295 | 6dbe553f | Jan Kiszka | |
1296 | 63a01ef8 | aliguori | #endif /* CONFIG_SLIRP */ |
1297 | 63a01ef8 | aliguori | |
1298 | a8ed73f7 | Mark McLoughlin | #if !defined(_WIN32) && !defined(_AIX)
|
1299 | 63a01ef8 | aliguori | |
1300 | 8e0f8e5b | Mark McLoughlin | /* Maximum GSO packet size (64k) plus plenty of room for
|
1301 | 8e0f8e5b | Mark McLoughlin | * the ethernet and virtio_net headers
|
1302 | 8e0f8e5b | Mark McLoughlin | */
|
1303 | 8e0f8e5b | Mark McLoughlin | #define TAP_BUFSIZE (4096 + 65536) |
1304 | 8e0f8e5b | Mark McLoughlin | |
1305 | 63a01ef8 | aliguori | typedef struct TAPState { |
1306 | 63a01ef8 | aliguori | VLANClientState *vc; |
1307 | 63a01ef8 | aliguori | int fd;
|
1308 | 63a01ef8 | aliguori | char down_script[1024]; |
1309 | 973cbd37 | aliguori | char down_script_arg[128]; |
1310 | 8e0f8e5b | Mark McLoughlin | uint8_t buf[TAP_BUFSIZE]; |
1311 | b664e367 | Mark McLoughlin | unsigned int read_poll : 1; |
1312 | 1f7babf6 | Mark McLoughlin | unsigned int write_poll : 1; |
1313 | 8e0f8e5b | Mark McLoughlin | unsigned int has_vnet_hdr : 1; |
1314 | 24e32363 | Mark McLoughlin | unsigned int using_vnet_hdr : 1; |
1315 | 6c9f58ba | Sridhar Samudrala | unsigned int has_ufo: 1; |
1316 | 63a01ef8 | aliguori | } TAPState; |
1317 | 63a01ef8 | aliguori | |
1318 | b946a153 | aliguori | static int launch_script(const char *setup_script, const char *ifname, int fd); |
1319 | b946a153 | aliguori | |
1320 | b664e367 | Mark McLoughlin | static int tap_can_send(void *opaque); |
1321 | b664e367 | Mark McLoughlin | static void tap_send(void *opaque); |
1322 | 1f7babf6 | Mark McLoughlin | static void tap_writable(void *opaque); |
1323 | b664e367 | Mark McLoughlin | |
1324 | b664e367 | Mark McLoughlin | static void tap_update_fd_handler(TAPState *s) |
1325 | b664e367 | Mark McLoughlin | { |
1326 | b664e367 | Mark McLoughlin | qemu_set_fd_handler2(s->fd, |
1327 | b664e367 | Mark McLoughlin | s->read_poll ? tap_can_send : NULL,
|
1328 | b664e367 | Mark McLoughlin | s->read_poll ? tap_send : NULL,
|
1329 | 1f7babf6 | Mark McLoughlin | s->write_poll ? tap_writable : NULL,
|
1330 | b664e367 | Mark McLoughlin | s); |
1331 | b664e367 | Mark McLoughlin | } |
1332 | b664e367 | Mark McLoughlin | |
1333 | b664e367 | Mark McLoughlin | static void tap_read_poll(TAPState *s, int enable) |
1334 | b664e367 | Mark McLoughlin | { |
1335 | b664e367 | Mark McLoughlin | s->read_poll = !!enable; |
1336 | b664e367 | Mark McLoughlin | tap_update_fd_handler(s); |
1337 | b664e367 | Mark McLoughlin | } |
1338 | b664e367 | Mark McLoughlin | |
1339 | 1f7babf6 | Mark McLoughlin | static void tap_write_poll(TAPState *s, int enable) |
1340 | 1f7babf6 | Mark McLoughlin | { |
1341 | 1f7babf6 | Mark McLoughlin | s->write_poll = !!enable; |
1342 | 1f7babf6 | Mark McLoughlin | tap_update_fd_handler(s); |
1343 | 1f7babf6 | Mark McLoughlin | } |
1344 | 1f7babf6 | Mark McLoughlin | |
1345 | 1f7babf6 | Mark McLoughlin | static void tap_writable(void *opaque) |
1346 | 1f7babf6 | Mark McLoughlin | { |
1347 | 1f7babf6 | Mark McLoughlin | TAPState *s = opaque; |
1348 | 1f7babf6 | Mark McLoughlin | |
1349 | 1f7babf6 | Mark McLoughlin | tap_write_poll(s, 0);
|
1350 | 1f7babf6 | Mark McLoughlin | |
1351 | 1f7babf6 | Mark McLoughlin | qemu_flush_queued_packets(s->vc); |
1352 | 1f7babf6 | Mark McLoughlin | } |
1353 | 1f7babf6 | Mark McLoughlin | |
1354 | 38c75be3 | Mark McLoughlin | static ssize_t tap_write_packet(TAPState *s, const struct iovec *iov, int iovcnt) |
1355 | b535b7b2 | aliguori | { |
1356 | b535b7b2 | aliguori | ssize_t len; |
1357 | b535b7b2 | aliguori | |
1358 | b535b7b2 | aliguori | do {
|
1359 | b535b7b2 | aliguori | len = writev(s->fd, iov, iovcnt); |
1360 | 1f7babf6 | Mark McLoughlin | } while (len == -1 && errno == EINTR); |
1361 | 1f7babf6 | Mark McLoughlin | |
1362 | 1f7babf6 | Mark McLoughlin | if (len == -1 && errno == EAGAIN) { |
1363 | 1f7babf6 | Mark McLoughlin | tap_write_poll(s, 1);
|
1364 | 1f7babf6 | Mark McLoughlin | return 0; |
1365 | 1f7babf6 | Mark McLoughlin | } |
1366 | b535b7b2 | aliguori | |
1367 | b535b7b2 | aliguori | return len;
|
1368 | b535b7b2 | aliguori | } |
1369 | b535b7b2 | aliguori | |
1370 | 38c75be3 | Mark McLoughlin | static ssize_t tap_receive_iov(VLANClientState *vc, const struct iovec *iov, |
1371 | 38c75be3 | Mark McLoughlin | int iovcnt)
|
1372 | 38c75be3 | Mark McLoughlin | { |
1373 | 38c75be3 | Mark McLoughlin | TAPState *s = vc->opaque; |
1374 | 8e0f8e5b | Mark McLoughlin | const struct iovec *iovp = iov; |
1375 | 8e0f8e5b | Mark McLoughlin | struct iovec iov_copy[iovcnt + 1]; |
1376 | 8e0f8e5b | Mark McLoughlin | struct virtio_net_hdr hdr = { 0, }; |
1377 | 38c75be3 | Mark McLoughlin | |
1378 | 24e32363 | Mark McLoughlin | if (s->has_vnet_hdr && !s->using_vnet_hdr) {
|
1379 | 8e0f8e5b | Mark McLoughlin | iov_copy[0].iov_base = &hdr;
|
1380 | 8e0f8e5b | Mark McLoughlin | iov_copy[0].iov_len = sizeof(hdr); |
1381 | 8e0f8e5b | Mark McLoughlin | memcpy(&iov_copy[1], iov, iovcnt * sizeof(*iov)); |
1382 | 8e0f8e5b | Mark McLoughlin | iovp = iov_copy; |
1383 | 8e0f8e5b | Mark McLoughlin | iovcnt++; |
1384 | 8e0f8e5b | Mark McLoughlin | } |
1385 | 8e0f8e5b | Mark McLoughlin | |
1386 | 8e0f8e5b | Mark McLoughlin | return tap_write_packet(s, iovp, iovcnt);
|
1387 | 38c75be3 | Mark McLoughlin | } |
1388 | 38c75be3 | Mark McLoughlin | |
1389 | 2596774a | Mark McLoughlin | static ssize_t tap_receive_raw(VLANClientState *vc, const uint8_t *buf, size_t size) |
1390 | 63a01ef8 | aliguori | { |
1391 | e3f5ec2b | Mark McLoughlin | TAPState *s = vc->opaque; |
1392 | 8e0f8e5b | Mark McLoughlin | struct iovec iov[2]; |
1393 | 38c75be3 | Mark McLoughlin | int iovcnt = 0; |
1394 | 8e0f8e5b | Mark McLoughlin | struct virtio_net_hdr hdr = { 0, }; |
1395 | 8e0f8e5b | Mark McLoughlin | |
1396 | 2596774a | Mark McLoughlin | if (s->has_vnet_hdr) {
|
1397 | 8e0f8e5b | Mark McLoughlin | iov[iovcnt].iov_base = &hdr; |
1398 | 8e0f8e5b | Mark McLoughlin | iov[iovcnt].iov_len = sizeof(hdr);
|
1399 | 8e0f8e5b | Mark McLoughlin | iovcnt++; |
1400 | 8e0f8e5b | Mark McLoughlin | } |
1401 | 4f1c942b | Mark McLoughlin | |
1402 | 38c75be3 | Mark McLoughlin | iov[iovcnt].iov_base = (char *)buf;
|
1403 | 38c75be3 | Mark McLoughlin | iov[iovcnt].iov_len = size; |
1404 | 38c75be3 | Mark McLoughlin | iovcnt++; |
1405 | 4f1c942b | Mark McLoughlin | |
1406 | 38c75be3 | Mark McLoughlin | return tap_write_packet(s, iov, iovcnt);
|
1407 | 63a01ef8 | aliguori | } |
1408 | 63a01ef8 | aliguori | |
1409 | 2596774a | Mark McLoughlin | static ssize_t tap_receive(VLANClientState *vc, const uint8_t *buf, size_t size) |
1410 | 2596774a | Mark McLoughlin | { |
1411 | 2596774a | Mark McLoughlin | TAPState *s = vc->opaque; |
1412 | 2596774a | Mark McLoughlin | struct iovec iov[1]; |
1413 | 2596774a | Mark McLoughlin | |
1414 | 2596774a | Mark McLoughlin | if (s->has_vnet_hdr && !s->using_vnet_hdr) {
|
1415 | 2596774a | Mark McLoughlin | return tap_receive_raw(vc, buf, size);
|
1416 | 2596774a | Mark McLoughlin | } |
1417 | 2596774a | Mark McLoughlin | |
1418 | 2596774a | Mark McLoughlin | iov[0].iov_base = (char *)buf; |
1419 | 2596774a | Mark McLoughlin | iov[0].iov_len = size;
|
1420 | 2596774a | Mark McLoughlin | |
1421 | 2596774a | Mark McLoughlin | return tap_write_packet(s, iov, 1); |
1422 | 2596774a | Mark McLoughlin | } |
1423 | 2596774a | Mark McLoughlin | |
1424 | 3471b757 | Mark McLoughlin | static int tap_can_send(void *opaque) |
1425 | 3471b757 | Mark McLoughlin | { |
1426 | 3471b757 | Mark McLoughlin | TAPState *s = opaque; |
1427 | 3471b757 | Mark McLoughlin | |
1428 | 3471b757 | Mark McLoughlin | return qemu_can_send_packet(s->vc);
|
1429 | 3471b757 | Mark McLoughlin | } |
1430 | 3471b757 | Mark McLoughlin | |
1431 | 63a01ef8 | aliguori | #ifdef __sun__
|
1432 | 5a6d8815 | Mark McLoughlin | static ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen) |
1433 | 5a6d8815 | Mark McLoughlin | { |
1434 | 63a01ef8 | aliguori | struct strbuf sbuf;
|
1435 | 63a01ef8 | aliguori | int f = 0; |
1436 | 5a6d8815 | Mark McLoughlin | |
1437 | 5a6d8815 | Mark McLoughlin | sbuf.maxlen = maxlen; |
1438 | 3f4cb3d3 | blueswir1 | sbuf.buf = (char *)buf;
|
1439 | 5a6d8815 | Mark McLoughlin | |
1440 | 5a6d8815 | Mark McLoughlin | return getmsg(tapfd, NULL, &sbuf, &f) >= 0 ? sbuf.len : -1; |
1441 | 5a6d8815 | Mark McLoughlin | } |
1442 | 63a01ef8 | aliguori | #else
|
1443 | 5a6d8815 | Mark McLoughlin | static ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen) |
1444 | 5a6d8815 | Mark McLoughlin | { |
1445 | 5a6d8815 | Mark McLoughlin | return read(tapfd, buf, maxlen);
|
1446 | 5a6d8815 | Mark McLoughlin | } |
1447 | 63a01ef8 | aliguori | #endif
|
1448 | 5a6d8815 | Mark McLoughlin | |
1449 | 783527a9 | Mark McLoughlin | static void tap_send_completed(VLANClientState *vc, ssize_t len) |
1450 | e19eb224 | Mark McLoughlin | { |
1451 | e19eb224 | Mark McLoughlin | TAPState *s = vc->opaque; |
1452 | b664e367 | Mark McLoughlin | tap_read_poll(s, 1);
|
1453 | e19eb224 | Mark McLoughlin | } |
1454 | e19eb224 | Mark McLoughlin | |
1455 | 5a6d8815 | Mark McLoughlin | static void tap_send(void *opaque) |
1456 | 5a6d8815 | Mark McLoughlin | { |
1457 | 5a6d8815 | Mark McLoughlin | TAPState *s = opaque; |
1458 | 5a6d8815 | Mark McLoughlin | int size;
|
1459 | 5a6d8815 | Mark McLoughlin | |
1460 | e19eb224 | Mark McLoughlin | do {
|
1461 | 8e0f8e5b | Mark McLoughlin | uint8_t *buf = s->buf; |
1462 | 8e0f8e5b | Mark McLoughlin | |
1463 | e19eb224 | Mark McLoughlin | size = tap_read_packet(s->fd, s->buf, sizeof(s->buf));
|
1464 | e19eb224 | Mark McLoughlin | if (size <= 0) { |
1465 | e19eb224 | Mark McLoughlin | break;
|
1466 | e19eb224 | Mark McLoughlin | } |
1467 | e19eb224 | Mark McLoughlin | |
1468 | 24e32363 | Mark McLoughlin | if (s->has_vnet_hdr && !s->using_vnet_hdr) {
|
1469 | 8e0f8e5b | Mark McLoughlin | buf += sizeof(struct virtio_net_hdr); |
1470 | 8e0f8e5b | Mark McLoughlin | size -= sizeof(struct virtio_net_hdr); |
1471 | 8e0f8e5b | Mark McLoughlin | } |
1472 | 8e0f8e5b | Mark McLoughlin | |
1473 | 8e0f8e5b | Mark McLoughlin | size = qemu_send_packet_async(s->vc, buf, size, tap_send_completed); |
1474 | e19eb224 | Mark McLoughlin | if (size == 0) { |
1475 | b664e367 | Mark McLoughlin | tap_read_poll(s, 0);
|
1476 | e19eb224 | Mark McLoughlin | } |
1477 | e19eb224 | Mark McLoughlin | } while (size > 0); |
1478 | 63a01ef8 | aliguori | } |
1479 | 63a01ef8 | aliguori | |
1480 | fc5b81d1 | Mark McLoughlin | /* sndbuf should be set to a value lower than the tx queue
|
1481 | fc5b81d1 | Mark McLoughlin | * capacity of any destination network interface.
|
1482 | fc5b81d1 | Mark McLoughlin | * Ethernet NICs generally have txqueuelen=1000, so 1Mb is
|
1483 | fc5b81d1 | Mark McLoughlin | * a good default, given a 1500 byte MTU.
|
1484 | fc5b81d1 | Mark McLoughlin | */
|
1485 | fc5b81d1 | Mark McLoughlin | #define TAP_DEFAULT_SNDBUF 1024*1024 |
1486 | fc5b81d1 | Mark McLoughlin | |
1487 | 8a1c5235 | Mark McLoughlin | static int tap_set_sndbuf(TAPState *s, QemuOpts *opts) |
1488 | fc5b81d1 | Mark McLoughlin | { |
1489 | 8a1c5235 | Mark McLoughlin | int sndbuf;
|
1490 | fc5b81d1 | Mark McLoughlin | |
1491 | 8a1c5235 | Mark McLoughlin | sndbuf = qemu_opt_get_size(opts, "sndbuf", TAP_DEFAULT_SNDBUF);
|
1492 | fc5b81d1 | Mark McLoughlin | if (!sndbuf) {
|
1493 | fc5b81d1 | Mark McLoughlin | sndbuf = INT_MAX; |
1494 | fc5b81d1 | Mark McLoughlin | } |
1495 | fc5b81d1 | Mark McLoughlin | |
1496 | 8a1c5235 | Mark McLoughlin | if (ioctl(s->fd, TUNSETSNDBUF, &sndbuf) == -1 && qemu_opt_get(opts, "sndbuf")) { |
1497 | fb12577c | Markus Armbruster | qemu_error("TUNSETSNDBUF ioctl failed: %s\n", strerror(errno));
|
1498 | 0752706d | Markus Armbruster | return -1; |
1499 | 0df0ff6d | Mark McLoughlin | } |
1500 | 0752706d | Markus Armbruster | return 0; |
1501 | fc5b81d1 | Mark McLoughlin | } |
1502 | 0df0ff6d | Mark McLoughlin | |
1503 | 6c9f58ba | Sridhar Samudrala | int tap_has_ufo(VLANClientState *vc)
|
1504 | 6c9f58ba | Sridhar Samudrala | { |
1505 | 6c9f58ba | Sridhar Samudrala | TAPState *s = vc->opaque; |
1506 | 6c9f58ba | Sridhar Samudrala | |
1507 | 6c9f58ba | Sridhar Samudrala | assert(vc->type == NET_CLIENT_TYPE_TAP); |
1508 | 6c9f58ba | Sridhar Samudrala | |
1509 | 6c9f58ba | Sridhar Samudrala | return s->has_ufo;
|
1510 | 6c9f58ba | Sridhar Samudrala | } |
1511 | 6c9f58ba | Sridhar Samudrala | |
1512 | 24e32363 | Mark McLoughlin | int tap_has_vnet_hdr(VLANClientState *vc)
|
1513 | 24e32363 | Mark McLoughlin | { |
1514 | 24e32363 | Mark McLoughlin | TAPState *s = vc->opaque; |
1515 | 24e32363 | Mark McLoughlin | |
1516 | 24e32363 | Mark McLoughlin | assert(vc->type == NET_CLIENT_TYPE_TAP); |
1517 | 24e32363 | Mark McLoughlin | |
1518 | 24e32363 | Mark McLoughlin | return s->has_vnet_hdr;
|
1519 | 24e32363 | Mark McLoughlin | } |
1520 | 24e32363 | Mark McLoughlin | |
1521 | 24e32363 | Mark McLoughlin | void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr) |
1522 | 24e32363 | Mark McLoughlin | { |
1523 | 24e32363 | Mark McLoughlin | TAPState *s = vc->opaque; |
1524 | 24e32363 | Mark McLoughlin | |
1525 | 24e32363 | Mark McLoughlin | using_vnet_hdr = using_vnet_hdr != 0;
|
1526 | 24e32363 | Mark McLoughlin | |
1527 | 24e32363 | Mark McLoughlin | assert(vc->type == NET_CLIENT_TYPE_TAP); |
1528 | 24e32363 | Mark McLoughlin | assert(s->has_vnet_hdr == using_vnet_hdr); |
1529 | 24e32363 | Mark McLoughlin | |
1530 | 24e32363 | Mark McLoughlin | s->using_vnet_hdr = using_vnet_hdr; |
1531 | 24e32363 | Mark McLoughlin | } |
1532 | 24e32363 | Mark McLoughlin | |
1533 | 8e0f8e5b | Mark McLoughlin | static int tap_probe_vnet_hdr(int fd) |
1534 | 8e0f8e5b | Mark McLoughlin | { |
1535 | 8e0f8e5b | Mark McLoughlin | struct ifreq ifr;
|
1536 | 8e0f8e5b | Mark McLoughlin | |
1537 | 8e0f8e5b | Mark McLoughlin | if (ioctl(fd, TUNGETIFF, &ifr) != 0) { |
1538 | 8e0f8e5b | Mark McLoughlin | qemu_error("TUNGETIFF ioctl() failed: %s\n", strerror(errno));
|
1539 | 8e0f8e5b | Mark McLoughlin | return 0; |
1540 | 8e0f8e5b | Mark McLoughlin | } |
1541 | 8e0f8e5b | Mark McLoughlin | |
1542 | 8e0f8e5b | Mark McLoughlin | return ifr.ifr_flags & IFF_VNET_HDR;
|
1543 | 8e0f8e5b | Mark McLoughlin | } |
1544 | 8e0f8e5b | Mark McLoughlin | |
1545 | 6c9f58ba | Sridhar Samudrala | void tap_set_offload(VLANClientState *vc, int csum, int tso4, |
1546 | 6c9f58ba | Sridhar Samudrala | int tso6, int ecn, int ufo) |
1547 | b1c28b46 | Mark McLoughlin | { |
1548 | b1c28b46 | Mark McLoughlin | TAPState *s = vc->opaque; |
1549 | b1c28b46 | Mark McLoughlin | unsigned int offload = 0; |
1550 | b1c28b46 | Mark McLoughlin | |
1551 | b1c28b46 | Mark McLoughlin | if (csum) {
|
1552 | b1c28b46 | Mark McLoughlin | offload |= TUN_F_CSUM; |
1553 | b1c28b46 | Mark McLoughlin | if (tso4)
|
1554 | b1c28b46 | Mark McLoughlin | offload |= TUN_F_TSO4; |
1555 | b1c28b46 | Mark McLoughlin | if (tso6)
|
1556 | b1c28b46 | Mark McLoughlin | offload |= TUN_F_TSO6; |
1557 | b1c28b46 | Mark McLoughlin | if ((tso4 || tso6) && ecn)
|
1558 | b1c28b46 | Mark McLoughlin | offload |= TUN_F_TSO_ECN; |
1559 | 6c9f58ba | Sridhar Samudrala | if (ufo)
|
1560 | 6c9f58ba | Sridhar Samudrala | offload |= TUN_F_UFO; |
1561 | b1c28b46 | Mark McLoughlin | } |
1562 | b1c28b46 | Mark McLoughlin | |
1563 | b1c28b46 | Mark McLoughlin | if (ioctl(s->fd, TUNSETOFFLOAD, offload) != 0) { |
1564 | 6c9f58ba | Sridhar Samudrala | offload &= ~TUN_F_UFO; |
1565 | 6c9f58ba | Sridhar Samudrala | if (ioctl(s->fd, TUNSETOFFLOAD, offload) != 0) { |
1566 | 6c9f58ba | Sridhar Samudrala | fprintf(stderr, "TUNSETOFFLOAD ioctl() failed: %s\n",
|
1567 | 6c9f58ba | Sridhar Samudrala | strerror(errno)); |
1568 | 6c9f58ba | Sridhar Samudrala | } |
1569 | b1c28b46 | Mark McLoughlin | } |
1570 | b1c28b46 | Mark McLoughlin | } |
1571 | b1c28b46 | Mark McLoughlin | |
1572 | b946a153 | aliguori | static void tap_cleanup(VLANClientState *vc) |
1573 | b946a153 | aliguori | { |
1574 | b946a153 | aliguori | TAPState *s = vc->opaque; |
1575 | b946a153 | aliguori | |
1576 | b9adce2c | Mark McLoughlin | qemu_purge_queued_packets(vc); |
1577 | b9adce2c | Mark McLoughlin | |
1578 | b946a153 | aliguori | if (s->down_script[0]) |
1579 | b946a153 | aliguori | launch_script(s->down_script, s->down_script_arg, s->fd); |
1580 | b946a153 | aliguori | |
1581 | b664e367 | Mark McLoughlin | tap_read_poll(s, 0);
|
1582 | 1f7babf6 | Mark McLoughlin | tap_write_poll(s, 0);
|
1583 | b946a153 | aliguori | close(s->fd); |
1584 | b946a153 | aliguori | qemu_free(s); |
1585 | b946a153 | aliguori | } |
1586 | b946a153 | aliguori | |
1587 | 63a01ef8 | aliguori | /* fd support */
|
1588 | 63a01ef8 | aliguori | |
1589 | 7a9f6e4a | aliguori | static TAPState *net_tap_fd_init(VLANState *vlan,
|
1590 | 7a9f6e4a | aliguori | const char *model, |
1591 | 7a9f6e4a | aliguori | const char *name, |
1592 | 8e0f8e5b | Mark McLoughlin | int fd,
|
1593 | 8e0f8e5b | Mark McLoughlin | int vnet_hdr)
|
1594 | 63a01ef8 | aliguori | { |
1595 | 63a01ef8 | aliguori | TAPState *s; |
1596 | 6c9f58ba | Sridhar Samudrala | unsigned int offload; |
1597 | 63a01ef8 | aliguori | |
1598 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(TAPState));
|
1599 | 63a01ef8 | aliguori | s->fd = fd; |
1600 | 8e0f8e5b | Mark McLoughlin | s->has_vnet_hdr = vnet_hdr != 0;
|
1601 | 24e32363 | Mark McLoughlin | s->using_vnet_hdr = 0;
|
1602 | bb6e6364 | Mark McLoughlin | s->vc = qemu_new_vlan_client(NET_CLIENT_TYPE_TAP, |
1603 | bb6e6364 | Mark McLoughlin | vlan, NULL, model, name, NULL, |
1604 | 2596774a | Mark McLoughlin | tap_receive, tap_receive_raw, |
1605 | 2596774a | Mark McLoughlin | tap_receive_iov, tap_cleanup, s); |
1606 | 6c9f58ba | Sridhar Samudrala | s->has_ufo = 0;
|
1607 | 6c9f58ba | Sridhar Samudrala | /* Check if tap supports UFO */
|
1608 | 6c9f58ba | Sridhar Samudrala | offload = TUN_F_CSUM | TUN_F_UFO; |
1609 | 6c9f58ba | Sridhar Samudrala | if (ioctl(s->fd, TUNSETOFFLOAD, offload) == 0) |
1610 | 6c9f58ba | Sridhar Samudrala | s->has_ufo = 1;
|
1611 | 6c9f58ba | Sridhar Samudrala | tap_set_offload(s->vc, 0, 0, 0, 0, 0); |
1612 | b664e367 | Mark McLoughlin | tap_read_poll(s, 1);
|
1613 | 63a01ef8 | aliguori | return s;
|
1614 | 63a01ef8 | aliguori | } |
1615 | 63a01ef8 | aliguori | |
1616 | 71e72a19 | Juan Quintela | #if defined (CONFIG_BSD) || defined (__FreeBSD_kernel__)
|
1617 | baf74c95 | Mark McLoughlin | static int tap_open(char *ifname, int ifname_size, |
1618 | baf74c95 | Mark McLoughlin | int *vnet_hdr, int vnet_hdr_required) |
1619 | 63a01ef8 | aliguori | { |
1620 | 63a01ef8 | aliguori | int fd;
|
1621 | 63a01ef8 | aliguori | char *dev;
|
1622 | 63a01ef8 | aliguori | struct stat s;
|
1623 | 63a01ef8 | aliguori | |
1624 | 63a01ef8 | aliguori | TFR(fd = open("/dev/tap", O_RDWR));
|
1625 | 63a01ef8 | aliguori | if (fd < 0) { |
1626 | 63a01ef8 | aliguori | fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
1627 | 63a01ef8 | aliguori | return -1; |
1628 | 63a01ef8 | aliguori | } |
1629 | 63a01ef8 | aliguori | |
1630 | 63a01ef8 | aliguori | fstat(fd, &s); |
1631 | 63a01ef8 | aliguori | dev = devname(s.st_rdev, S_IFCHR); |
1632 | 63a01ef8 | aliguori | pstrcpy(ifname, ifname_size, dev); |
1633 | 63a01ef8 | aliguori | |
1634 | 63a01ef8 | aliguori | fcntl(fd, F_SETFL, O_NONBLOCK); |
1635 | 63a01ef8 | aliguori | return fd;
|
1636 | 63a01ef8 | aliguori | } |
1637 | 63a01ef8 | aliguori | #elif defined(__sun__)
|
1638 | 63a01ef8 | aliguori | #define TUNNEWPPA (('T'<<16) | 0x0001) |
1639 | 63a01ef8 | aliguori | /*
|
1640 | 63a01ef8 | aliguori | * Allocate TAP device, returns opened fd.
|
1641 | 63a01ef8 | aliguori | * Stores dev name in the first arg(must be large enough).
|
1642 | 63a01ef8 | aliguori | */
|
1643 | 3f4cb3d3 | blueswir1 | static int tap_alloc(char *dev, size_t dev_size) |
1644 | 63a01ef8 | aliguori | { |
1645 | 63a01ef8 | aliguori | int tap_fd, if_fd, ppa = -1; |
1646 | 63a01ef8 | aliguori | static int ip_fd = 0; |
1647 | 63a01ef8 | aliguori | char *ptr;
|
1648 | 63a01ef8 | aliguori | |
1649 | 63a01ef8 | aliguori | static int arp_fd = 0; |
1650 | 63a01ef8 | aliguori | int ip_muxid, arp_muxid;
|
1651 | 63a01ef8 | aliguori | struct strioctl strioc_if, strioc_ppa;
|
1652 | 63a01ef8 | aliguori | int link_type = I_PLINK;;
|
1653 | 63a01ef8 | aliguori | struct lifreq ifr;
|
1654 | 63a01ef8 | aliguori | char actual_name[32] = ""; |
1655 | 63a01ef8 | aliguori | |
1656 | 63a01ef8 | aliguori | memset(&ifr, 0x0, sizeof(ifr)); |
1657 | 63a01ef8 | aliguori | |
1658 | 63a01ef8 | aliguori | if( *dev ){
|
1659 | 63a01ef8 | aliguori | ptr = dev; |
1660 | 47398b9c | blueswir1 | while( *ptr && !qemu_isdigit((int)*ptr) ) ptr++; |
1661 | 63a01ef8 | aliguori | ppa = atoi(ptr); |
1662 | 63a01ef8 | aliguori | } |
1663 | 63a01ef8 | aliguori | |
1664 | 63a01ef8 | aliguori | /* Check if IP device was opened */
|
1665 | 63a01ef8 | aliguori | if( ip_fd )
|
1666 | 63a01ef8 | aliguori | close(ip_fd); |
1667 | 63a01ef8 | aliguori | |
1668 | 63a01ef8 | aliguori | TFR(ip_fd = open("/dev/udp", O_RDWR, 0)); |
1669 | 63a01ef8 | aliguori | if (ip_fd < 0) { |
1670 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
|
1671 | 63a01ef8 | aliguori | return -1; |
1672 | 63a01ef8 | aliguori | } |
1673 | 63a01ef8 | aliguori | |
1674 | 63a01ef8 | aliguori | TFR(tap_fd = open("/dev/tap", O_RDWR, 0)); |
1675 | 63a01ef8 | aliguori | if (tap_fd < 0) { |
1676 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't open /dev/tap");
|
1677 | 63a01ef8 | aliguori | return -1; |
1678 | 63a01ef8 | aliguori | } |
1679 | 63a01ef8 | aliguori | |
1680 | 63a01ef8 | aliguori | /* Assign a new PPA and get its unit number. */
|
1681 | 63a01ef8 | aliguori | strioc_ppa.ic_cmd = TUNNEWPPA; |
1682 | 63a01ef8 | aliguori | strioc_ppa.ic_timout = 0;
|
1683 | 63a01ef8 | aliguori | strioc_ppa.ic_len = sizeof(ppa);
|
1684 | 63a01ef8 | aliguori | strioc_ppa.ic_dp = (char *)&ppa;
|
1685 | 63a01ef8 | aliguori | if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) |
1686 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't assign new interface");
|
1687 | 63a01ef8 | aliguori | |
1688 | 63a01ef8 | aliguori | TFR(if_fd = open("/dev/tap", O_RDWR, 0)); |
1689 | 63a01ef8 | aliguori | if (if_fd < 0) { |
1690 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't open /dev/tap (2)");
|
1691 | 63a01ef8 | aliguori | return -1; |
1692 | 63a01ef8 | aliguori | } |
1693 | 63a01ef8 | aliguori | if(ioctl(if_fd, I_PUSH, "ip") < 0){ |
1694 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't push IP module");
|
1695 | 63a01ef8 | aliguori | return -1; |
1696 | 63a01ef8 | aliguori | } |
1697 | 63a01ef8 | aliguori | |
1698 | 63a01ef8 | aliguori | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) |
1699 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't get flags\n");
|
1700 | 63a01ef8 | aliguori | |
1701 | 63a01ef8 | aliguori | snprintf (actual_name, 32, "tap%d", ppa); |
1702 | 63a01ef8 | aliguori | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name);
|
1703 | 63a01ef8 | aliguori | |
1704 | 63a01ef8 | aliguori | ifr.lifr_ppa = ppa; |
1705 | 63a01ef8 | aliguori | /* Assign ppa according to the unit number returned by tun device */
|
1706 | 63a01ef8 | aliguori | |
1707 | 63a01ef8 | aliguori | if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) |
1708 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't set PPA %d", ppa);
|
1709 | 63a01ef8 | aliguori | if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) |
1710 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't get flags\n");
|
1711 | 63a01ef8 | aliguori | /* Push arp module to if_fd */
|
1712 | 63a01ef8 | aliguori | if (ioctl (if_fd, I_PUSH, "arp") < 0) |
1713 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't push ARP module (2)");
|
1714 | 63a01ef8 | aliguori | |
1715 | 63a01ef8 | aliguori | /* Push arp module to ip_fd */
|
1716 | 63a01ef8 | aliguori | if (ioctl (ip_fd, I_POP, NULL) < 0) |
1717 | 63a01ef8 | aliguori | syslog (LOG_ERR, "I_POP failed\n");
|
1718 | 63a01ef8 | aliguori | if (ioctl (ip_fd, I_PUSH, "arp") < 0) |
1719 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't push ARP module (3)\n");
|
1720 | 63a01ef8 | aliguori | /* Open arp_fd */
|
1721 | 63a01ef8 | aliguori | TFR(arp_fd = open ("/dev/tap", O_RDWR, 0)); |
1722 | 63a01ef8 | aliguori | if (arp_fd < 0) |
1723 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); |
1724 | 63a01ef8 | aliguori | |
1725 | 63a01ef8 | aliguori | /* Set ifname to arp */
|
1726 | 63a01ef8 | aliguori | strioc_if.ic_cmd = SIOCSLIFNAME; |
1727 | 63a01ef8 | aliguori | strioc_if.ic_timout = 0;
|
1728 | 63a01ef8 | aliguori | strioc_if.ic_len = sizeof(ifr);
|
1729 | 63a01ef8 | aliguori | strioc_if.ic_dp = (char *)𝔦
|
1730 | 63a01ef8 | aliguori | if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ |
1731 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't set ifname to arp\n");
|
1732 | 63a01ef8 | aliguori | } |
1733 | 63a01ef8 | aliguori | |
1734 | 63a01ef8 | aliguori | if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ |
1735 | 63a01ef8 | aliguori | syslog(LOG_ERR, "Can't link TAP device to IP");
|
1736 | 63a01ef8 | aliguori | return -1; |
1737 | 63a01ef8 | aliguori | } |
1738 | 63a01ef8 | aliguori | |
1739 | 63a01ef8 | aliguori | if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) |
1740 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't link TAP device to ARP");
|
1741 | 63a01ef8 | aliguori | |
1742 | 63a01ef8 | aliguori | close (if_fd); |
1743 | 63a01ef8 | aliguori | |
1744 | 63a01ef8 | aliguori | memset(&ifr, 0x0, sizeof(ifr)); |
1745 | 63a01ef8 | aliguori | pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name);
|
1746 | 63a01ef8 | aliguori | ifr.lifr_ip_muxid = ip_muxid; |
1747 | 63a01ef8 | aliguori | ifr.lifr_arp_muxid = arp_muxid; |
1748 | 63a01ef8 | aliguori | |
1749 | 63a01ef8 | aliguori | if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) |
1750 | 63a01ef8 | aliguori | { |
1751 | 63a01ef8 | aliguori | ioctl (ip_fd, I_PUNLINK , arp_muxid); |
1752 | 63a01ef8 | aliguori | ioctl (ip_fd, I_PUNLINK, ip_muxid); |
1753 | 63a01ef8 | aliguori | syslog (LOG_ERR, "Can't set multiplexor id");
|
1754 | 63a01ef8 | aliguori | } |
1755 | 63a01ef8 | aliguori | |
1756 | 63a01ef8 | aliguori | snprintf(dev, dev_size, "tap%d", ppa);
|
1757 | 63a01ef8 | aliguori | return tap_fd;
|
1758 | 63a01ef8 | aliguori | } |
1759 | 63a01ef8 | aliguori | |
1760 | baf74c95 | Mark McLoughlin | static int tap_open(char *ifname, int ifname_size, |
1761 | baf74c95 | Mark McLoughlin | int *vnet_hdr, int vnet_hdr_required) |
1762 | 63a01ef8 | aliguori | { |
1763 | 63a01ef8 | aliguori | char dev[10]=""; |
1764 | 63a01ef8 | aliguori | int fd;
|
1765 | 63a01ef8 | aliguori | if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){ |
1766 | 63a01ef8 | aliguori | fprintf(stderr, "Cannot allocate TAP device\n");
|
1767 | 63a01ef8 | aliguori | return -1; |
1768 | 63a01ef8 | aliguori | } |
1769 | 63a01ef8 | aliguori | pstrcpy(ifname, ifname_size, dev); |
1770 | 63a01ef8 | aliguori | fcntl(fd, F_SETFL, O_NONBLOCK); |
1771 | 63a01ef8 | aliguori | return fd;
|
1772 | 63a01ef8 | aliguori | } |
1773 | b29fe3ed | malc | #elif defined (_AIX)
|
1774 | baf74c95 | Mark McLoughlin | static int tap_open(char *ifname, int ifname_size, |
1775 | baf74c95 | Mark McLoughlin | int *vnet_hdr, int vnet_hdr_required) |
1776 | b29fe3ed | malc | { |
1777 | b29fe3ed | malc | fprintf (stderr, "no tap on AIX\n");
|
1778 | b29fe3ed | malc | return -1; |
1779 | b29fe3ed | malc | } |
1780 | 63a01ef8 | aliguori | #else
|
1781 | baf74c95 | Mark McLoughlin | static int tap_open(char *ifname, int ifname_size, |
1782 | baf74c95 | Mark McLoughlin | int *vnet_hdr, int vnet_hdr_required) |
1783 | 63a01ef8 | aliguori | { |
1784 | 63a01ef8 | aliguori | struct ifreq ifr;
|
1785 | 63a01ef8 | aliguori | int fd, ret;
|
1786 | 63a01ef8 | aliguori | |
1787 | 63a01ef8 | aliguori | TFR(fd = open("/dev/net/tun", O_RDWR));
|
1788 | 63a01ef8 | aliguori | if (fd < 0) { |
1789 | 63a01ef8 | aliguori | fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
1790 | 63a01ef8 | aliguori | return -1; |
1791 | 63a01ef8 | aliguori | } |
1792 | 63a01ef8 | aliguori | memset(&ifr, 0, sizeof(ifr)); |
1793 | 63a01ef8 | aliguori | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
1794 | 8e0f8e5b | Mark McLoughlin | |
1795 | baf74c95 | Mark McLoughlin | if (*vnet_hdr) {
|
1796 | 8e0f8e5b | Mark McLoughlin | unsigned int features; |
1797 | 8e0f8e5b | Mark McLoughlin | |
1798 | 8e0f8e5b | Mark McLoughlin | if (ioctl(fd, TUNGETFEATURES, &features) == 0 && |
1799 | 8e0f8e5b | Mark McLoughlin | features & IFF_VNET_HDR) { |
1800 | 8e0f8e5b | Mark McLoughlin | *vnet_hdr = 1;
|
1801 | 8e0f8e5b | Mark McLoughlin | ifr.ifr_flags |= IFF_VNET_HDR; |
1802 | 8e0f8e5b | Mark McLoughlin | } |
1803 | baf74c95 | Mark McLoughlin | |
1804 | baf74c95 | Mark McLoughlin | if (vnet_hdr_required && !*vnet_hdr) {
|
1805 | baf74c95 | Mark McLoughlin | qemu_error("vnet_hdr=1 requested, but no kernel "
|
1806 | baf74c95 | Mark McLoughlin | "support for IFF_VNET_HDR available");
|
1807 | baf74c95 | Mark McLoughlin | close(fd); |
1808 | baf74c95 | Mark McLoughlin | return -1; |
1809 | baf74c95 | Mark McLoughlin | } |
1810 | 8e0f8e5b | Mark McLoughlin | } |
1811 | 8e0f8e5b | Mark McLoughlin | |
1812 | 63a01ef8 | aliguori | if (ifname[0] != '\0') |
1813 | 63a01ef8 | aliguori | pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); |
1814 | 63a01ef8 | aliguori | else
|
1815 | 63a01ef8 | aliguori | pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
|
1816 | 63a01ef8 | aliguori | ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
1817 | 63a01ef8 | aliguori | if (ret != 0) { |
1818 | 63a01ef8 | aliguori | fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
1819 | 63a01ef8 | aliguori | close(fd); |
1820 | 63a01ef8 | aliguori | return -1; |
1821 | 63a01ef8 | aliguori | } |
1822 | 63a01ef8 | aliguori | pstrcpy(ifname, ifname_size, ifr.ifr_name); |
1823 | 63a01ef8 | aliguori | fcntl(fd, F_SETFL, O_NONBLOCK); |
1824 | 63a01ef8 | aliguori | return fd;
|
1825 | 63a01ef8 | aliguori | } |
1826 | 63a01ef8 | aliguori | #endif
|
1827 | 63a01ef8 | aliguori | |
1828 | 63a01ef8 | aliguori | static int launch_script(const char *setup_script, const char *ifname, int fd) |
1829 | 63a01ef8 | aliguori | { |
1830 | 7c3370d4 | Jan Kiszka | sigset_t oldmask, mask; |
1831 | 63a01ef8 | aliguori | int pid, status;
|
1832 | 63a01ef8 | aliguori | char *args[3]; |
1833 | 63a01ef8 | aliguori | char **parg;
|
1834 | 63a01ef8 | aliguori | |
1835 | 7c3370d4 | Jan Kiszka | sigemptyset(&mask); |
1836 | 7c3370d4 | Jan Kiszka | sigaddset(&mask, SIGCHLD); |
1837 | 7c3370d4 | Jan Kiszka | sigprocmask(SIG_BLOCK, &mask, &oldmask); |
1838 | 7c3370d4 | Jan Kiszka | |
1839 | 7c3370d4 | Jan Kiszka | /* try to launch network script */
|
1840 | 7c3370d4 | Jan Kiszka | pid = fork(); |
1841 | 7c3370d4 | Jan Kiszka | if (pid == 0) { |
1842 | 7c3370d4 | Jan Kiszka | int open_max = sysconf(_SC_OPEN_MAX), i;
|
1843 | 7c3370d4 | Jan Kiszka | |
1844 | 7c3370d4 | Jan Kiszka | for (i = 0; i < open_max; i++) { |
1845 | 7c3370d4 | Jan Kiszka | if (i != STDIN_FILENO &&
|
1846 | 7c3370d4 | Jan Kiszka | i != STDOUT_FILENO && |
1847 | 7c3370d4 | Jan Kiszka | i != STDERR_FILENO && |
1848 | 7c3370d4 | Jan Kiszka | i != fd) { |
1849 | 7c3370d4 | Jan Kiszka | close(i); |
1850 | 63a01ef8 | aliguori | } |
1851 | 63a01ef8 | aliguori | } |
1852 | 7c3370d4 | Jan Kiszka | parg = args; |
1853 | 7c3370d4 | Jan Kiszka | *parg++ = (char *)setup_script;
|
1854 | 7c3370d4 | Jan Kiszka | *parg++ = (char *)ifname;
|
1855 | 7c3370d4 | Jan Kiszka | *parg++ = NULL;
|
1856 | 7c3370d4 | Jan Kiszka | execv(setup_script, args); |
1857 | 7c3370d4 | Jan Kiszka | _exit(1);
|
1858 | 7c3370d4 | Jan Kiszka | } else if (pid > 0) { |
1859 | 7c3370d4 | Jan Kiszka | while (waitpid(pid, &status, 0) != pid) { |
1860 | 7c3370d4 | Jan Kiszka | /* loop */
|
1861 | 7c3370d4 | Jan Kiszka | } |
1862 | 7c3370d4 | Jan Kiszka | sigprocmask(SIG_SETMASK, &oldmask, NULL);
|
1863 | 7c3370d4 | Jan Kiszka | |
1864 | 7c3370d4 | Jan Kiszka | if (WIFEXITED(status) && WEXITSTATUS(status) == 0) { |
1865 | 7c3370d4 | Jan Kiszka | return 0; |
1866 | 7c3370d4 | Jan Kiszka | } |
1867 | 7c3370d4 | Jan Kiszka | } |
1868 | 7c3370d4 | Jan Kiszka | fprintf(stderr, "%s: could not launch network script\n", setup_script);
|
1869 | 7c3370d4 | Jan Kiszka | return -1; |
1870 | 63a01ef8 | aliguori | } |
1871 | 63a01ef8 | aliguori | |
1872 | 424a7f96 | Mark McLoughlin | static int net_tap_init(QemuOpts *opts, int *vnet_hdr) |
1873 | 63a01ef8 | aliguori | { |
1874 | baf74c95 | Mark McLoughlin | int fd, vnet_hdr_required;
|
1875 | 424a7f96 | Mark McLoughlin | char ifname[128] = {0,}; |
1876 | 424a7f96 | Mark McLoughlin | const char *setup_script; |
1877 | 63a01ef8 | aliguori | |
1878 | 424a7f96 | Mark McLoughlin | if (qemu_opt_get(opts, "ifname")) { |
1879 | 424a7f96 | Mark McLoughlin | pstrcpy(ifname, sizeof(ifname), qemu_opt_get(opts, "ifname")); |
1880 | 424a7f96 | Mark McLoughlin | } |
1881 | 63a01ef8 | aliguori | |
1882 | baf74c95 | Mark McLoughlin | *vnet_hdr = qemu_opt_get_bool(opts, "vnet_hdr", 1); |
1883 | baf74c95 | Mark McLoughlin | if (qemu_opt_get(opts, "vnet_hdr")) { |
1884 | baf74c95 | Mark McLoughlin | vnet_hdr_required = *vnet_hdr; |
1885 | baf74c95 | Mark McLoughlin | } else {
|
1886 | baf74c95 | Mark McLoughlin | vnet_hdr_required = 0;
|
1887 | baf74c95 | Mark McLoughlin | } |
1888 | baf74c95 | Mark McLoughlin | |
1889 | baf74c95 | Mark McLoughlin | TFR(fd = tap_open(ifname, sizeof(ifname), vnet_hdr, vnet_hdr_required));
|
1890 | 424a7f96 | Mark McLoughlin | if (fd < 0) { |
1891 | 424a7f96 | Mark McLoughlin | return -1; |
1892 | 63a01ef8 | aliguori | } |
1893 | 424a7f96 | Mark McLoughlin | |
1894 | 424a7f96 | Mark McLoughlin | setup_script = qemu_opt_get(opts, "script");
|
1895 | 424a7f96 | Mark McLoughlin | if (setup_script &&
|
1896 | 424a7f96 | Mark McLoughlin | setup_script[0] != '\0' && |
1897 | 424a7f96 | Mark McLoughlin | strcmp(setup_script, "no") != 0 && |
1898 | 424a7f96 | Mark McLoughlin | launch_script(setup_script, ifname, fd)) { |
1899 | 424a7f96 | Mark McLoughlin | close(fd); |
1900 | 424a7f96 | Mark McLoughlin | return -1; |
1901 | 973cbd37 | aliguori | } |
1902 | 424a7f96 | Mark McLoughlin | |
1903 | 424a7f96 | Mark McLoughlin | qemu_opt_set(opts, "ifname", ifname);
|
1904 | 424a7f96 | Mark McLoughlin | |
1905 | 424a7f96 | Mark McLoughlin | return fd;
|
1906 | 63a01ef8 | aliguori | } |
1907 | 63a01ef8 | aliguori | |
1908 | a8ed73f7 | Mark McLoughlin | #endif /* !defined(_WIN32) && !defined(_AIX) */ |
1909 | 63a01ef8 | aliguori | |
1910 | 63a01ef8 | aliguori | #if defined(CONFIG_VDE)
|
1911 | 63a01ef8 | aliguori | typedef struct VDEState { |
1912 | 63a01ef8 | aliguori | VLANClientState *vc; |
1913 | 63a01ef8 | aliguori | VDECONN *vde; |
1914 | 63a01ef8 | aliguori | } VDEState; |
1915 | 63a01ef8 | aliguori | |
1916 | 63a01ef8 | aliguori | static void vde_to_qemu(void *opaque) |
1917 | 63a01ef8 | aliguori | { |
1918 | 63a01ef8 | aliguori | VDEState *s = opaque; |
1919 | 63a01ef8 | aliguori | uint8_t buf[4096];
|
1920 | 63a01ef8 | aliguori | int size;
|
1921 | 63a01ef8 | aliguori | |
1922 | cc63bb0f | Paul Brook | size = vde_recv(s->vde, (char *)buf, sizeof(buf), 0); |
1923 | 63a01ef8 | aliguori | if (size > 0) { |
1924 | 63a01ef8 | aliguori | qemu_send_packet(s->vc, buf, size); |
1925 | 63a01ef8 | aliguori | } |
1926 | 63a01ef8 | aliguori | } |
1927 | 63a01ef8 | aliguori | |
1928 | 4f1c942b | Mark McLoughlin | static ssize_t vde_receive(VLANClientState *vc, const uint8_t *buf, size_t size) |
1929 | 63a01ef8 | aliguori | { |
1930 | e3f5ec2b | Mark McLoughlin | VDEState *s = vc->opaque; |
1931 | 068daedd | Anthony Liguori | ssize_t ret; |
1932 | 4f1c942b | Mark McLoughlin | |
1933 | 4f1c942b | Mark McLoughlin | do {
|
1934 | 4f1c942b | Mark McLoughlin | ret = vde_send(s->vde, (const char *)buf, size, 0); |
1935 | 4f1c942b | Mark McLoughlin | } while (ret < 0 && errno == EINTR); |
1936 | 4f1c942b | Mark McLoughlin | |
1937 | 4f1c942b | Mark McLoughlin | return ret;
|
1938 | 63a01ef8 | aliguori | } |
1939 | 63a01ef8 | aliguori | |
1940 | b946a153 | aliguori | static void vde_cleanup(VLANClientState *vc) |
1941 | b946a153 | aliguori | { |
1942 | b946a153 | aliguori | VDEState *s = vc->opaque; |
1943 | b946a153 | aliguori | qemu_set_fd_handler(vde_datafd(s->vde), NULL, NULL, NULL); |
1944 | b946a153 | aliguori | vde_close(s->vde); |
1945 | b946a153 | aliguori | qemu_free(s); |
1946 | b946a153 | aliguori | } |
1947 | b946a153 | aliguori | |
1948 | 7a9f6e4a | aliguori | static int net_vde_init(VLANState *vlan, const char *model, |
1949 | 7a9f6e4a | aliguori | const char *name, const char *sock, |
1950 | bf38c1a0 | aliguori | int port, const char *group, int mode) |
1951 | 63a01ef8 | aliguori | { |
1952 | 63a01ef8 | aliguori | VDEState *s; |
1953 | dd51058d | Mark McLoughlin | char *init_group = (char *)group; |
1954 | dd51058d | Mark McLoughlin | char *init_sock = (char *)sock; |
1955 | 63a01ef8 | aliguori | |
1956 | 63a01ef8 | aliguori | struct vde_open_args args = {
|
1957 | 63a01ef8 | aliguori | .port = port, |
1958 | 63a01ef8 | aliguori | .group = init_group, |
1959 | 63a01ef8 | aliguori | .mode = mode, |
1960 | 63a01ef8 | aliguori | }; |
1961 | 63a01ef8 | aliguori | |
1962 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(VDEState));
|
1963 | cc63bb0f | Paul Brook | s->vde = vde_open(init_sock, (char *)"QEMU", &args); |
1964 | 63a01ef8 | aliguori | if (!s->vde){
|
1965 | 63a01ef8 | aliguori | free(s); |
1966 | 63a01ef8 | aliguori | return -1; |
1967 | 63a01ef8 | aliguori | } |
1968 | bb6e6364 | Mark McLoughlin | s->vc = qemu_new_vlan_client(NET_CLIENT_TYPE_VDE, |
1969 | bb6e6364 | Mark McLoughlin | vlan, NULL, model, name, NULL, |
1970 | 70783b9c | Mark McLoughlin | vde_receive, NULL, NULL, |
1971 | 283c7c63 | Mark McLoughlin | vde_cleanup, s); |
1972 | 63a01ef8 | aliguori | qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
|
1973 | 7cb7434b | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "sock=%s,fd=%d", |
1974 | 63a01ef8 | aliguori | sock, vde_datafd(s->vde)); |
1975 | 63a01ef8 | aliguori | return 0; |
1976 | 63a01ef8 | aliguori | } |
1977 | 63a01ef8 | aliguori | #endif
|
1978 | 63a01ef8 | aliguori | |
1979 | 63a01ef8 | aliguori | /* network connection */
|
1980 | 63a01ef8 | aliguori | typedef struct NetSocketState { |
1981 | 63a01ef8 | aliguori | VLANClientState *vc; |
1982 | 63a01ef8 | aliguori | int fd;
|
1983 | 63a01ef8 | aliguori | int state; /* 0 = getting length, 1 = getting data */ |
1984 | abcd2baa | aliguori | unsigned int index; |
1985 | abcd2baa | aliguori | unsigned int packet_len; |
1986 | 63a01ef8 | aliguori | uint8_t buf[4096];
|
1987 | 63a01ef8 | aliguori | struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ |
1988 | 63a01ef8 | aliguori | } NetSocketState; |
1989 | 63a01ef8 | aliguori | |
1990 | 63a01ef8 | aliguori | typedef struct NetSocketListenState { |
1991 | 63a01ef8 | aliguori | VLANState *vlan; |
1992 | bf38c1a0 | aliguori | char *model;
|
1993 | 7a9f6e4a | aliguori | char *name;
|
1994 | 63a01ef8 | aliguori | int fd;
|
1995 | 63a01ef8 | aliguori | } NetSocketListenState; |
1996 | 63a01ef8 | aliguori | |
1997 | 63a01ef8 | aliguori | /* XXX: we consider we can send the whole packet without blocking */
|
1998 | 4f1c942b | Mark McLoughlin | static ssize_t net_socket_receive(VLANClientState *vc, const uint8_t *buf, size_t size) |
1999 | 63a01ef8 | aliguori | { |
2000 | e3f5ec2b | Mark McLoughlin | NetSocketState *s = vc->opaque; |
2001 | 63a01ef8 | aliguori | uint32_t len; |
2002 | 63a01ef8 | aliguori | len = htonl(size); |
2003 | 63a01ef8 | aliguori | |
2004 | 63a01ef8 | aliguori | send_all(s->fd, (const uint8_t *)&len, sizeof(len)); |
2005 | 4f1c942b | Mark McLoughlin | return send_all(s->fd, buf, size);
|
2006 | 63a01ef8 | aliguori | } |
2007 | 63a01ef8 | aliguori | |
2008 | 4f1c942b | Mark McLoughlin | static ssize_t net_socket_receive_dgram(VLANClientState *vc, const uint8_t *buf, size_t size) |
2009 | 63a01ef8 | aliguori | { |
2010 | e3f5ec2b | Mark McLoughlin | NetSocketState *s = vc->opaque; |
2011 | 4f1c942b | Mark McLoughlin | |
2012 | 70503264 | Stefan Weil | return sendto(s->fd, (const void *)buf, size, 0, |
2013 | 4f1c942b | Mark McLoughlin | (struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst)); |
2014 | 63a01ef8 | aliguori | } |
2015 | 63a01ef8 | aliguori | |
2016 | 63a01ef8 | aliguori | static void net_socket_send(void *opaque) |
2017 | 63a01ef8 | aliguori | { |
2018 | 63a01ef8 | aliguori | NetSocketState *s = opaque; |
2019 | abcd2baa | aliguori | int size, err;
|
2020 | abcd2baa | aliguori | unsigned l;
|
2021 | 63a01ef8 | aliguori | uint8_t buf1[4096];
|
2022 | 63a01ef8 | aliguori | const uint8_t *buf;
|
2023 | 63a01ef8 | aliguori | |
2024 | c5b76b38 | Blue Swirl | size = recv(s->fd, (void *)buf1, sizeof(buf1), 0); |
2025 | 63a01ef8 | aliguori | if (size < 0) { |
2026 | 63a01ef8 | aliguori | err = socket_error(); |
2027 | 63a01ef8 | aliguori | if (err != EWOULDBLOCK)
|
2028 | 63a01ef8 | aliguori | goto eoc;
|
2029 | 63a01ef8 | aliguori | } else if (size == 0) { |
2030 | 63a01ef8 | aliguori | /* end of connection */
|
2031 | 63a01ef8 | aliguori | eoc:
|
2032 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
2033 | 63a01ef8 | aliguori | closesocket(s->fd); |
2034 | 63a01ef8 | aliguori | return;
|
2035 | 63a01ef8 | aliguori | } |
2036 | 63a01ef8 | aliguori | buf = buf1; |
2037 | 63a01ef8 | aliguori | while (size > 0) { |
2038 | 63a01ef8 | aliguori | /* reassemble a packet from the network */
|
2039 | 63a01ef8 | aliguori | switch(s->state) {
|
2040 | 63a01ef8 | aliguori | case 0: |
2041 | 63a01ef8 | aliguori | l = 4 - s->index;
|
2042 | 63a01ef8 | aliguori | if (l > size)
|
2043 | 63a01ef8 | aliguori | l = size; |
2044 | 63a01ef8 | aliguori | memcpy(s->buf + s->index, buf, l); |
2045 | 63a01ef8 | aliguori | buf += l; |
2046 | 63a01ef8 | aliguori | size -= l; |
2047 | 63a01ef8 | aliguori | s->index += l; |
2048 | 63a01ef8 | aliguori | if (s->index == 4) { |
2049 | 63a01ef8 | aliguori | /* got length */
|
2050 | 63a01ef8 | aliguori | s->packet_len = ntohl(*(uint32_t *)s->buf); |
2051 | 63a01ef8 | aliguori | s->index = 0;
|
2052 | 63a01ef8 | aliguori | s->state = 1;
|
2053 | 63a01ef8 | aliguori | } |
2054 | 63a01ef8 | aliguori | break;
|
2055 | 63a01ef8 | aliguori | case 1: |
2056 | 63a01ef8 | aliguori | l = s->packet_len - s->index; |
2057 | 63a01ef8 | aliguori | if (l > size)
|
2058 | 63a01ef8 | aliguori | l = size; |
2059 | abcd2baa | aliguori | if (s->index + l <= sizeof(s->buf)) { |
2060 | abcd2baa | aliguori | memcpy(s->buf + s->index, buf, l); |
2061 | abcd2baa | aliguori | } else {
|
2062 | abcd2baa | aliguori | fprintf(stderr, "serious error: oversized packet received,"
|
2063 | abcd2baa | aliguori | "connection terminated.\n");
|
2064 | abcd2baa | aliguori | s->state = 0;
|
2065 | abcd2baa | aliguori | goto eoc;
|
2066 | abcd2baa | aliguori | } |
2067 | abcd2baa | aliguori | |
2068 | 63a01ef8 | aliguori | s->index += l; |
2069 | 63a01ef8 | aliguori | buf += l; |
2070 | 63a01ef8 | aliguori | size -= l; |
2071 | 63a01ef8 | aliguori | if (s->index >= s->packet_len) {
|
2072 | 63a01ef8 | aliguori | qemu_send_packet(s->vc, s->buf, s->packet_len); |
2073 | 63a01ef8 | aliguori | s->index = 0;
|
2074 | 63a01ef8 | aliguori | s->state = 0;
|
2075 | 63a01ef8 | aliguori | } |
2076 | 63a01ef8 | aliguori | break;
|
2077 | 63a01ef8 | aliguori | } |
2078 | 63a01ef8 | aliguori | } |
2079 | 63a01ef8 | aliguori | } |
2080 | 63a01ef8 | aliguori | |
2081 | 63a01ef8 | aliguori | static void net_socket_send_dgram(void *opaque) |
2082 | 63a01ef8 | aliguori | { |
2083 | 63a01ef8 | aliguori | NetSocketState *s = opaque; |
2084 | 63a01ef8 | aliguori | int size;
|
2085 | 63a01ef8 | aliguori | |
2086 | c5b76b38 | Blue Swirl | size = recv(s->fd, (void *)s->buf, sizeof(s->buf), 0); |
2087 | 63a01ef8 | aliguori | if (size < 0) |
2088 | 63a01ef8 | aliguori | return;
|
2089 | 63a01ef8 | aliguori | if (size == 0) { |
2090 | 63a01ef8 | aliguori | /* end of connection */
|
2091 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
2092 | 63a01ef8 | aliguori | return;
|
2093 | 63a01ef8 | aliguori | } |
2094 | 63a01ef8 | aliguori | qemu_send_packet(s->vc, s->buf, size); |
2095 | 63a01ef8 | aliguori | } |
2096 | 63a01ef8 | aliguori | |
2097 | 63a01ef8 | aliguori | static int net_socket_mcast_create(struct sockaddr_in *mcastaddr) |
2098 | 63a01ef8 | aliguori | { |
2099 | 63a01ef8 | aliguori | struct ip_mreq imr;
|
2100 | 63a01ef8 | aliguori | int fd;
|
2101 | 63a01ef8 | aliguori | int val, ret;
|
2102 | 63a01ef8 | aliguori | if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
|
2103 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
|
2104 | 63a01ef8 | aliguori | inet_ntoa(mcastaddr->sin_addr), |
2105 | 63a01ef8 | aliguori | (int)ntohl(mcastaddr->sin_addr.s_addr));
|
2106 | 63a01ef8 | aliguori | return -1; |
2107 | 63a01ef8 | aliguori | |
2108 | 63a01ef8 | aliguori | } |
2109 | 63a01ef8 | aliguori | fd = socket(PF_INET, SOCK_DGRAM, 0);
|
2110 | 63a01ef8 | aliguori | if (fd < 0) { |
2111 | 63a01ef8 | aliguori | perror("socket(PF_INET, SOCK_DGRAM)");
|
2112 | 63a01ef8 | aliguori | return -1; |
2113 | 63a01ef8 | aliguori | } |
2114 | 63a01ef8 | aliguori | |
2115 | 63a01ef8 | aliguori | val = 1;
|
2116 | 63a01ef8 | aliguori | ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, |
2117 | 63a01ef8 | aliguori | (const char *)&val, sizeof(val)); |
2118 | 63a01ef8 | aliguori | if (ret < 0) { |
2119 | 63a01ef8 | aliguori | perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
|
2120 | 63a01ef8 | aliguori | goto fail;
|
2121 | 63a01ef8 | aliguori | } |
2122 | 63a01ef8 | aliguori | |
2123 | 63a01ef8 | aliguori | ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr)); |
2124 | 63a01ef8 | aliguori | if (ret < 0) { |
2125 | 63a01ef8 | aliguori | perror("bind");
|
2126 | 63a01ef8 | aliguori | goto fail;
|
2127 | 63a01ef8 | aliguori | } |
2128 | 63a01ef8 | aliguori | |
2129 | 63a01ef8 | aliguori | /* Add host to multicast group */
|
2130 | 63a01ef8 | aliguori | imr.imr_multiaddr = mcastaddr->sin_addr; |
2131 | 63a01ef8 | aliguori | imr.imr_interface.s_addr = htonl(INADDR_ANY); |
2132 | 63a01ef8 | aliguori | |
2133 | 63a01ef8 | aliguori | ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, |
2134 | 63a01ef8 | aliguori | (const char *)&imr, sizeof(struct ip_mreq)); |
2135 | 63a01ef8 | aliguori | if (ret < 0) { |
2136 | 63a01ef8 | aliguori | perror("setsockopt(IP_ADD_MEMBERSHIP)");
|
2137 | 63a01ef8 | aliguori | goto fail;
|
2138 | 63a01ef8 | aliguori | } |
2139 | 63a01ef8 | aliguori | |
2140 | 63a01ef8 | aliguori | /* Force mcast msgs to loopback (eg. several QEMUs in same host */
|
2141 | 63a01ef8 | aliguori | val = 1;
|
2142 | 63a01ef8 | aliguori | ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, |
2143 | 63a01ef8 | aliguori | (const char *)&val, sizeof(val)); |
2144 | 63a01ef8 | aliguori | if (ret < 0) { |
2145 | 63a01ef8 | aliguori | perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
|
2146 | 63a01ef8 | aliguori | goto fail;
|
2147 | 63a01ef8 | aliguori | } |
2148 | 63a01ef8 | aliguori | |
2149 | 63a01ef8 | aliguori | socket_set_nonblock(fd); |
2150 | 63a01ef8 | aliguori | return fd;
|
2151 | 63a01ef8 | aliguori | fail:
|
2152 | 63a01ef8 | aliguori | if (fd >= 0) |
2153 | 63a01ef8 | aliguori | closesocket(fd); |
2154 | 63a01ef8 | aliguori | return -1; |
2155 | 63a01ef8 | aliguori | } |
2156 | 63a01ef8 | aliguori | |
2157 | b946a153 | aliguori | static void net_socket_cleanup(VLANClientState *vc) |
2158 | b946a153 | aliguori | { |
2159 | b946a153 | aliguori | NetSocketState *s = vc->opaque; |
2160 | b946a153 | aliguori | qemu_set_fd_handler(s->fd, NULL, NULL, NULL); |
2161 | b946a153 | aliguori | close(s->fd); |
2162 | b946a153 | aliguori | qemu_free(s); |
2163 | b946a153 | aliguori | } |
2164 | b946a153 | aliguori | |
2165 | 7a9f6e4a | aliguori | static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan,
|
2166 | 7a9f6e4a | aliguori | const char *model, |
2167 | 7a9f6e4a | aliguori | const char *name, |
2168 | bf38c1a0 | aliguori | int fd, int is_connected) |
2169 | 63a01ef8 | aliguori | { |
2170 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
2171 | 63a01ef8 | aliguori | int newfd;
|
2172 | 63a01ef8 | aliguori | socklen_t saddr_len; |
2173 | 63a01ef8 | aliguori | NetSocketState *s; |
2174 | 63a01ef8 | aliguori | |
2175 | 63a01ef8 | aliguori | /* fd passed: multicast: "learn" dgram_dst address from bound address and save it
|
2176 | 63a01ef8 | aliguori | * Because this may be "shared" socket from a "master" process, datagrams would be recv()
|
2177 | 63a01ef8 | aliguori | * by ONLY ONE process: we must "clone" this dgram socket --jjo
|
2178 | 63a01ef8 | aliguori | */
|
2179 | 63a01ef8 | aliguori | |
2180 | 63a01ef8 | aliguori | if (is_connected) {
|
2181 | 63a01ef8 | aliguori | if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) { |
2182 | 63a01ef8 | aliguori | /* must be bound */
|
2183 | 63a01ef8 | aliguori | if (saddr.sin_addr.s_addr==0) { |
2184 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
|
2185 | 63a01ef8 | aliguori | fd); |
2186 | 63a01ef8 | aliguori | return NULL; |
2187 | 63a01ef8 | aliguori | } |
2188 | 63a01ef8 | aliguori | /* clone dgram socket */
|
2189 | 63a01ef8 | aliguori | newfd = net_socket_mcast_create(&saddr); |
2190 | 63a01ef8 | aliguori | if (newfd < 0) { |
2191 | 63a01ef8 | aliguori | /* error already reported by net_socket_mcast_create() */
|
2192 | 63a01ef8 | aliguori | close(fd); |
2193 | 63a01ef8 | aliguori | return NULL; |
2194 | 63a01ef8 | aliguori | } |
2195 | 63a01ef8 | aliguori | /* clone newfd to fd, close newfd */
|
2196 | 63a01ef8 | aliguori | dup2(newfd, fd); |
2197 | 63a01ef8 | aliguori | close(newfd); |
2198 | 63a01ef8 | aliguori | |
2199 | 63a01ef8 | aliguori | } else {
|
2200 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
|
2201 | 63a01ef8 | aliguori | fd, strerror(errno)); |
2202 | 63a01ef8 | aliguori | return NULL; |
2203 | 63a01ef8 | aliguori | } |
2204 | 63a01ef8 | aliguori | } |
2205 | 63a01ef8 | aliguori | |
2206 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(NetSocketState));
|
2207 | 63a01ef8 | aliguori | s->fd = fd; |
2208 | 63a01ef8 | aliguori | |
2209 | bb6e6364 | Mark McLoughlin | s->vc = qemu_new_vlan_client(NET_CLIENT_TYPE_SOCKET, |
2210 | bb6e6364 | Mark McLoughlin | vlan, NULL, model, name, NULL, |
2211 | 70783b9c | Mark McLoughlin | net_socket_receive_dgram, NULL, NULL, |
2212 | 283c7c63 | Mark McLoughlin | net_socket_cleanup, s); |
2213 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
|
2214 | 63a01ef8 | aliguori | |
2215 | 63a01ef8 | aliguori | /* mcast: save bound address as dst */
|
2216 | 63a01ef8 | aliguori | if (is_connected) s->dgram_dst=saddr;
|
2217 | 63a01ef8 | aliguori | |
2218 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2219 | 63a01ef8 | aliguori | "socket: fd=%d (%s mcast=%s:%d)",
|
2220 | 63a01ef8 | aliguori | fd, is_connected? "cloned" : "", |
2221 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2222 | 63a01ef8 | aliguori | return s;
|
2223 | 63a01ef8 | aliguori | } |
2224 | 63a01ef8 | aliguori | |
2225 | 63a01ef8 | aliguori | static void net_socket_connect(void *opaque) |
2226 | 63a01ef8 | aliguori | { |
2227 | 63a01ef8 | aliguori | NetSocketState *s = opaque; |
2228 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
|
2229 | 63a01ef8 | aliguori | } |
2230 | 63a01ef8 | aliguori | |
2231 | 7a9f6e4a | aliguori | static NetSocketState *net_socket_fd_init_stream(VLANState *vlan,
|
2232 | 7a9f6e4a | aliguori | const char *model, |
2233 | 7a9f6e4a | aliguori | const char *name, |
2234 | bf38c1a0 | aliguori | int fd, int is_connected) |
2235 | 63a01ef8 | aliguori | { |
2236 | 63a01ef8 | aliguori | NetSocketState *s; |
2237 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(NetSocketState));
|
2238 | 63a01ef8 | aliguori | s->fd = fd; |
2239 | bb6e6364 | Mark McLoughlin | s->vc = qemu_new_vlan_client(NET_CLIENT_TYPE_SOCKET, |
2240 | bb6e6364 | Mark McLoughlin | vlan, NULL, model, name, NULL, |
2241 | 70783b9c | Mark McLoughlin | net_socket_receive, NULL, NULL, |
2242 | 283c7c63 | Mark McLoughlin | net_socket_cleanup, s); |
2243 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2244 | 63a01ef8 | aliguori | "socket: fd=%d", fd);
|
2245 | 63a01ef8 | aliguori | if (is_connected) {
|
2246 | 63a01ef8 | aliguori | net_socket_connect(s); |
2247 | 63a01ef8 | aliguori | } else {
|
2248 | 63a01ef8 | aliguori | qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
2249 | 63a01ef8 | aliguori | } |
2250 | 63a01ef8 | aliguori | return s;
|
2251 | 63a01ef8 | aliguori | } |
2252 | 63a01ef8 | aliguori | |
2253 | 7a9f6e4a | aliguori | static NetSocketState *net_socket_fd_init(VLANState *vlan,
|
2254 | 7a9f6e4a | aliguori | const char *model, const char *name, |
2255 | bf38c1a0 | aliguori | int fd, int is_connected) |
2256 | 63a01ef8 | aliguori | { |
2257 | acedcfbf | Michael S. Tsirkin | int so_type = -1, optlen=sizeof(so_type); |
2258 | 63a01ef8 | aliguori | |
2259 | 63a01ef8 | aliguori | if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, |
2260 | 63a01ef8 | aliguori | (socklen_t *)&optlen)< 0) {
|
2261 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: error: getsockopt(SO_TYPE) for fd=%d failed\n", fd);
|
2262 | 63a01ef8 | aliguori | return NULL; |
2263 | 63a01ef8 | aliguori | } |
2264 | 63a01ef8 | aliguori | switch(so_type) {
|
2265 | 63a01ef8 | aliguori | case SOCK_DGRAM:
|
2266 | 7a9f6e4a | aliguori | return net_socket_fd_init_dgram(vlan, model, name, fd, is_connected);
|
2267 | 63a01ef8 | aliguori | case SOCK_STREAM:
|
2268 | 7a9f6e4a | aliguori | return net_socket_fd_init_stream(vlan, model, name, fd, is_connected);
|
2269 | 63a01ef8 | aliguori | default:
|
2270 | 63a01ef8 | aliguori | /* who knows ... this could be a eg. a pty, do warn and continue as stream */
|
2271 | 63a01ef8 | aliguori | fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
|
2272 | 7a9f6e4a | aliguori | return net_socket_fd_init_stream(vlan, model, name, fd, is_connected);
|
2273 | 63a01ef8 | aliguori | } |
2274 | 63a01ef8 | aliguori | return NULL; |
2275 | 63a01ef8 | aliguori | } |
2276 | 63a01ef8 | aliguori | |
2277 | 63a01ef8 | aliguori | static void net_socket_accept(void *opaque) |
2278 | 63a01ef8 | aliguori | { |
2279 | 63a01ef8 | aliguori | NetSocketListenState *s = opaque; |
2280 | 63a01ef8 | aliguori | NetSocketState *s1; |
2281 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
2282 | 63a01ef8 | aliguori | socklen_t len; |
2283 | 63a01ef8 | aliguori | int fd;
|
2284 | 63a01ef8 | aliguori | |
2285 | 63a01ef8 | aliguori | for(;;) {
|
2286 | 63a01ef8 | aliguori | len = sizeof(saddr);
|
2287 | 63a01ef8 | aliguori | fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
|
2288 | 63a01ef8 | aliguori | if (fd < 0 && errno != EINTR) { |
2289 | 63a01ef8 | aliguori | return;
|
2290 | 63a01ef8 | aliguori | } else if (fd >= 0) { |
2291 | 63a01ef8 | aliguori | break;
|
2292 | 63a01ef8 | aliguori | } |
2293 | 63a01ef8 | aliguori | } |
2294 | 7a9f6e4a | aliguori | s1 = net_socket_fd_init(s->vlan, s->model, s->name, fd, 1);
|
2295 | 63a01ef8 | aliguori | if (!s1) {
|
2296 | 63a01ef8 | aliguori | closesocket(fd); |
2297 | 63a01ef8 | aliguori | } else {
|
2298 | 63a01ef8 | aliguori | snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
|
2299 | 63a01ef8 | aliguori | "socket: connection from %s:%d",
|
2300 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2301 | 63a01ef8 | aliguori | } |
2302 | 63a01ef8 | aliguori | } |
2303 | 63a01ef8 | aliguori | |
2304 | 7a9f6e4a | aliguori | static int net_socket_listen_init(VLANState *vlan, |
2305 | 7a9f6e4a | aliguori | const char *model, |
2306 | 7a9f6e4a | aliguori | const char *name, |
2307 | bf38c1a0 | aliguori | const char *host_str) |
2308 | 63a01ef8 | aliguori | { |
2309 | 63a01ef8 | aliguori | NetSocketListenState *s; |
2310 | 63a01ef8 | aliguori | int fd, val, ret;
|
2311 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
2312 | 63a01ef8 | aliguori | |
2313 | 63a01ef8 | aliguori | if (parse_host_port(&saddr, host_str) < 0) |
2314 | 63a01ef8 | aliguori | return -1; |
2315 | 63a01ef8 | aliguori | |
2316 | 63a01ef8 | aliguori | s = qemu_mallocz(sizeof(NetSocketListenState));
|
2317 | 63a01ef8 | aliguori | |
2318 | 63a01ef8 | aliguori | fd = socket(PF_INET, SOCK_STREAM, 0);
|
2319 | 63a01ef8 | aliguori | if (fd < 0) { |
2320 | 63a01ef8 | aliguori | perror("socket");
|
2321 | 63a01ef8 | aliguori | return -1; |
2322 | 63a01ef8 | aliguori | } |
2323 | 63a01ef8 | aliguori | socket_set_nonblock(fd); |
2324 | 63a01ef8 | aliguori | |
2325 | 63a01ef8 | aliguori | /* allow fast reuse */
|
2326 | 63a01ef8 | aliguori | val = 1;
|
2327 | 63a01ef8 | aliguori | setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); |
2328 | 63a01ef8 | aliguori | |
2329 | 63a01ef8 | aliguori | ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
2330 | 63a01ef8 | aliguori | if (ret < 0) { |
2331 | 63a01ef8 | aliguori | perror("bind");
|
2332 | 63a01ef8 | aliguori | return -1; |
2333 | 63a01ef8 | aliguori | } |
2334 | 63a01ef8 | aliguori | ret = listen(fd, 0);
|
2335 | 63a01ef8 | aliguori | if (ret < 0) { |
2336 | 63a01ef8 | aliguori | perror("listen");
|
2337 | 63a01ef8 | aliguori | return -1; |
2338 | 63a01ef8 | aliguori | } |
2339 | 63a01ef8 | aliguori | s->vlan = vlan; |
2340 | 02374aa0 | Mark McLoughlin | s->model = qemu_strdup(model); |
2341 | 02374aa0 | Mark McLoughlin | s->name = name ? qemu_strdup(name) : NULL;
|
2342 | 63a01ef8 | aliguori | s->fd = fd; |
2343 | 63a01ef8 | aliguori | qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
|
2344 | 63a01ef8 | aliguori | return 0; |
2345 | 63a01ef8 | aliguori | } |
2346 | 63a01ef8 | aliguori | |
2347 | 7a9f6e4a | aliguori | static int net_socket_connect_init(VLANState *vlan, |
2348 | 7a9f6e4a | aliguori | const char *model, |
2349 | 7a9f6e4a | aliguori | const char *name, |
2350 | bf38c1a0 | aliguori | const char *host_str) |
2351 | 63a01ef8 | aliguori | { |
2352 | 63a01ef8 | aliguori | NetSocketState *s; |
2353 | 63a01ef8 | aliguori | int fd, connected, ret, err;
|
2354 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
2355 | 63a01ef8 | aliguori | |
2356 | 63a01ef8 | aliguori | if (parse_host_port(&saddr, host_str) < 0) |
2357 | 63a01ef8 | aliguori | return -1; |
2358 | 63a01ef8 | aliguori | |
2359 | 63a01ef8 | aliguori | fd = socket(PF_INET, SOCK_STREAM, 0);
|
2360 | 63a01ef8 | aliguori | if (fd < 0) { |
2361 | 63a01ef8 | aliguori | perror("socket");
|
2362 | 63a01ef8 | aliguori | return -1; |
2363 | 63a01ef8 | aliguori | } |
2364 | 63a01ef8 | aliguori | socket_set_nonblock(fd); |
2365 | 63a01ef8 | aliguori | |
2366 | 63a01ef8 | aliguori | connected = 0;
|
2367 | 63a01ef8 | aliguori | for(;;) {
|
2368 | 63a01ef8 | aliguori | ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr)); |
2369 | 63a01ef8 | aliguori | if (ret < 0) { |
2370 | 63a01ef8 | aliguori | err = socket_error(); |
2371 | 63a01ef8 | aliguori | if (err == EINTR || err == EWOULDBLOCK) {
|
2372 | 63a01ef8 | aliguori | } else if (err == EINPROGRESS) { |
2373 | 63a01ef8 | aliguori | break;
|
2374 | 63a01ef8 | aliguori | #ifdef _WIN32
|
2375 | 63a01ef8 | aliguori | } else if (err == WSAEALREADY) { |
2376 | 63a01ef8 | aliguori | break;
|
2377 | 63a01ef8 | aliguori | #endif
|
2378 | 63a01ef8 | aliguori | } else {
|
2379 | 63a01ef8 | aliguori | perror("connect");
|
2380 | 63a01ef8 | aliguori | closesocket(fd); |
2381 | 63a01ef8 | aliguori | return -1; |
2382 | 63a01ef8 | aliguori | } |
2383 | 63a01ef8 | aliguori | } else {
|
2384 | 63a01ef8 | aliguori | connected = 1;
|
2385 | 63a01ef8 | aliguori | break;
|
2386 | 63a01ef8 | aliguori | } |
2387 | 63a01ef8 | aliguori | } |
2388 | 7a9f6e4a | aliguori | s = net_socket_fd_init(vlan, model, name, fd, connected); |
2389 | 63a01ef8 | aliguori | if (!s)
|
2390 | 63a01ef8 | aliguori | return -1; |
2391 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2392 | 63a01ef8 | aliguori | "socket: connect to %s:%d",
|
2393 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2394 | 63a01ef8 | aliguori | return 0; |
2395 | 63a01ef8 | aliguori | } |
2396 | 63a01ef8 | aliguori | |
2397 | 7a9f6e4a | aliguori | static int net_socket_mcast_init(VLANState *vlan, |
2398 | 7a9f6e4a | aliguori | const char *model, |
2399 | 7a9f6e4a | aliguori | const char *name, |
2400 | bf38c1a0 | aliguori | const char *host_str) |
2401 | 63a01ef8 | aliguori | { |
2402 | 63a01ef8 | aliguori | NetSocketState *s; |
2403 | 63a01ef8 | aliguori | int fd;
|
2404 | 63a01ef8 | aliguori | struct sockaddr_in saddr;
|
2405 | 63a01ef8 | aliguori | |
2406 | 63a01ef8 | aliguori | if (parse_host_port(&saddr, host_str) < 0) |
2407 | 63a01ef8 | aliguori | return -1; |
2408 | 63a01ef8 | aliguori | |
2409 | 63a01ef8 | aliguori | |
2410 | 63a01ef8 | aliguori | fd = net_socket_mcast_create(&saddr); |
2411 | 63a01ef8 | aliguori | if (fd < 0) |
2412 | 63a01ef8 | aliguori | return -1; |
2413 | 63a01ef8 | aliguori | |
2414 | 7a9f6e4a | aliguori | s = net_socket_fd_init(vlan, model, name, fd, 0);
|
2415 | 63a01ef8 | aliguori | if (!s)
|
2416 | 63a01ef8 | aliguori | return -1; |
2417 | 63a01ef8 | aliguori | |
2418 | 63a01ef8 | aliguori | s->dgram_dst = saddr; |
2419 | 63a01ef8 | aliguori | |
2420 | 63a01ef8 | aliguori | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2421 | 63a01ef8 | aliguori | "socket: mcast=%s:%d",
|
2422 | 63a01ef8 | aliguori | inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port)); |
2423 | 63a01ef8 | aliguori | return 0; |
2424 | 63a01ef8 | aliguori | |
2425 | 63a01ef8 | aliguori | } |
2426 | 63a01ef8 | aliguori | |
2427 | bb9ea79e | aliguori | typedef struct DumpState { |
2428 | bb9ea79e | aliguori | VLANClientState *pcap_vc; |
2429 | bb9ea79e | aliguori | int fd;
|
2430 | bb9ea79e | aliguori | int pcap_caplen;
|
2431 | bb9ea79e | aliguori | } DumpState; |
2432 | bb9ea79e | aliguori | |
2433 | bb9ea79e | aliguori | #define PCAP_MAGIC 0xa1b2c3d4 |
2434 | bb9ea79e | aliguori | |
2435 | bb9ea79e | aliguori | struct pcap_file_hdr {
|
2436 | bb9ea79e | aliguori | uint32_t magic; |
2437 | bb9ea79e | aliguori | uint16_t version_major; |
2438 | bb9ea79e | aliguori | uint16_t version_minor; |
2439 | bb9ea79e | aliguori | int32_t thiszone; |
2440 | bb9ea79e | aliguori | uint32_t sigfigs; |
2441 | bb9ea79e | aliguori | uint32_t snaplen; |
2442 | bb9ea79e | aliguori | uint32_t linktype; |
2443 | bb9ea79e | aliguori | }; |
2444 | bb9ea79e | aliguori | |
2445 | bb9ea79e | aliguori | struct pcap_sf_pkthdr {
|
2446 | bb9ea79e | aliguori | struct {
|
2447 | bb9ea79e | aliguori | int32_t tv_sec; |
2448 | bb9ea79e | aliguori | int32_t tv_usec; |
2449 | bb9ea79e | aliguori | } ts; |
2450 | bb9ea79e | aliguori | uint32_t caplen; |
2451 | bb9ea79e | aliguori | uint32_t len; |
2452 | bb9ea79e | aliguori | }; |
2453 | bb9ea79e | aliguori | |
2454 | 4f1c942b | Mark McLoughlin | static ssize_t dump_receive(VLANClientState *vc, const uint8_t *buf, size_t size) |
2455 | bb9ea79e | aliguori | { |
2456 | e3f5ec2b | Mark McLoughlin | DumpState *s = vc->opaque; |
2457 | bb9ea79e | aliguori | struct pcap_sf_pkthdr hdr;
|
2458 | bb9ea79e | aliguori | int64_t ts; |
2459 | bb9ea79e | aliguori | int caplen;
|
2460 | bb9ea79e | aliguori | |
2461 | bb9ea79e | aliguori | /* Early return in case of previous error. */
|
2462 | bb9ea79e | aliguori | if (s->fd < 0) { |
2463 | 4f1c942b | Mark McLoughlin | return size;
|
2464 | bb9ea79e | aliguori | } |
2465 | bb9ea79e | aliguori | |
2466 | 6ee093c9 | Juan Quintela | ts = muldiv64(qemu_get_clock(vm_clock), 1000000, get_ticks_per_sec());
|
2467 | bb9ea79e | aliguori | caplen = size > s->pcap_caplen ? s->pcap_caplen : size; |
2468 | bb9ea79e | aliguori | |
2469 | 37cb6fc3 | Jan Kiszka | hdr.ts.tv_sec = ts / 1000000;
|
2470 | bb9ea79e | aliguori | hdr.ts.tv_usec = ts % 1000000;
|
2471 | bb9ea79e | aliguori | hdr.caplen = caplen; |
2472 | bb9ea79e | aliguori | hdr.len = size; |
2473 | bb9ea79e | aliguori | if (write(s->fd, &hdr, sizeof(hdr)) != sizeof(hdr) || |
2474 | bb9ea79e | aliguori | write(s->fd, buf, caplen) != caplen) { |
2475 | bb9ea79e | aliguori | qemu_log("-net dump write error - stop dump\n");
|
2476 | bb9ea79e | aliguori | close(s->fd); |
2477 | bb9ea79e | aliguori | s->fd = -1;
|
2478 | bb9ea79e | aliguori | } |
2479 | 4f1c942b | Mark McLoughlin | |
2480 | 4f1c942b | Mark McLoughlin | return size;
|
2481 | bb9ea79e | aliguori | } |
2482 | bb9ea79e | aliguori | |
2483 | bb9ea79e | aliguori | static void net_dump_cleanup(VLANClientState *vc) |
2484 | bb9ea79e | aliguori | { |
2485 | bb9ea79e | aliguori | DumpState *s = vc->opaque; |
2486 | bb9ea79e | aliguori | |
2487 | bb9ea79e | aliguori | close(s->fd); |
2488 | bb9ea79e | aliguori | qemu_free(s); |
2489 | bb9ea79e | aliguori | } |
2490 | bb9ea79e | aliguori | |
2491 | fb12577c | Markus Armbruster | static int net_dump_init(VLANState *vlan, const char *device, |
2492 | bb9ea79e | aliguori | const char *name, const char *filename, int len) |
2493 | bb9ea79e | aliguori | { |
2494 | bb9ea79e | aliguori | struct pcap_file_hdr hdr;
|
2495 | bb9ea79e | aliguori | DumpState *s; |
2496 | bb9ea79e | aliguori | |
2497 | bb9ea79e | aliguori | s = qemu_malloc(sizeof(DumpState));
|
2498 | bb9ea79e | aliguori | |
2499 | 024431b3 | Filip Navara | s->fd = open(filename, O_CREAT | O_WRONLY | O_BINARY, 0644);
|
2500 | bb9ea79e | aliguori | if (s->fd < 0) { |
2501 | fb12577c | Markus Armbruster | qemu_error("-net dump: can't open %s\n", filename);
|
2502 | bb9ea79e | aliguori | return -1; |
2503 | bb9ea79e | aliguori | } |
2504 | bb9ea79e | aliguori | |
2505 | bb9ea79e | aliguori | s->pcap_caplen = len; |
2506 | bb9ea79e | aliguori | |
2507 | bb9ea79e | aliguori | hdr.magic = PCAP_MAGIC; |
2508 | bb9ea79e | aliguori | hdr.version_major = 2;
|
2509 | bb9ea79e | aliguori | hdr.version_minor = 4;
|
2510 | bb9ea79e | aliguori | hdr.thiszone = 0;
|
2511 | bb9ea79e | aliguori | hdr.sigfigs = 0;
|
2512 | bb9ea79e | aliguori | hdr.snaplen = s->pcap_caplen; |
2513 | bb9ea79e | aliguori | hdr.linktype = 1;
|
2514 | bb9ea79e | aliguori | |
2515 | bb9ea79e | aliguori | if (write(s->fd, &hdr, sizeof(hdr)) < sizeof(hdr)) { |
2516 | fb12577c | Markus Armbruster | qemu_error("-net dump write error: %s\n", strerror(errno));
|
2517 | bb9ea79e | aliguori | close(s->fd); |
2518 | bb9ea79e | aliguori | qemu_free(s); |
2519 | bb9ea79e | aliguori | return -1; |
2520 | bb9ea79e | aliguori | } |
2521 | bb9ea79e | aliguori | |
2522 | bb6e6364 | Mark McLoughlin | s->pcap_vc = qemu_new_vlan_client(NET_CLIENT_TYPE_DUMP, |
2523 | bb6e6364 | Mark McLoughlin | vlan, NULL, device, name, NULL, |
2524 | 70783b9c | Mark McLoughlin | dump_receive, NULL, NULL, |
2525 | bb9ea79e | aliguori | net_dump_cleanup, s); |
2526 | bb9ea79e | aliguori | snprintf(s->pcap_vc->info_str, sizeof(s->pcap_vc->info_str),
|
2527 | bb9ea79e | aliguori | "dump to %s (len=%d)", filename, len);
|
2528 | bb9ea79e | aliguori | return 0; |
2529 | bb9ea79e | aliguori | } |
2530 | bb9ea79e | aliguori | |
2531 | 63a01ef8 | aliguori | /* find or alloc a new VLAN */
|
2532 | 1a609520 | Jan Kiszka | VLANState *qemu_find_vlan(int id, int allocate) |
2533 | 63a01ef8 | aliguori | { |
2534 | 5610c3aa | Mark McLoughlin | VLANState *vlan; |
2535 | 5610c3aa | Mark McLoughlin | |
2536 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vlan, &vlans, next) { |
2537 | 5610c3aa | Mark McLoughlin | if (vlan->id == id) {
|
2538 | 63a01ef8 | aliguori | return vlan;
|
2539 | 5610c3aa | Mark McLoughlin | } |
2540 | 63a01ef8 | aliguori | } |
2541 | 5610c3aa | Mark McLoughlin | |
2542 | 1a609520 | Jan Kiszka | if (!allocate) {
|
2543 | 1a609520 | Jan Kiszka | return NULL; |
2544 | 1a609520 | Jan Kiszka | } |
2545 | 5610c3aa | Mark McLoughlin | |
2546 | 63a01ef8 | aliguori | vlan = qemu_mallocz(sizeof(VLANState));
|
2547 | 63a01ef8 | aliguori | vlan->id = id; |
2548 | 5610c3aa | Mark McLoughlin | QTAILQ_INIT(&vlan->clients); |
2549 | f7105843 | Mark McLoughlin | |
2550 | f7105843 | Mark McLoughlin | vlan->send_queue = qemu_new_net_queue(qemu_vlan_deliver_packet, |
2551 | f7105843 | Mark McLoughlin | qemu_vlan_deliver_packet_iov, |
2552 | f7105843 | Mark McLoughlin | vlan); |
2553 | 5610c3aa | Mark McLoughlin | |
2554 | 5610c3aa | Mark McLoughlin | QTAILQ_INSERT_TAIL(&vlans, vlan, next); |
2555 | 5610c3aa | Mark McLoughlin | |
2556 | 63a01ef8 | aliguori | return vlan;
|
2557 | 63a01ef8 | aliguori | } |
2558 | 63a01ef8 | aliguori | |
2559 | 2ef924b4 | Gerd Hoffmann | VLANClientState *qemu_find_netdev(const char *id) |
2560 | 5869c4d5 | Mark McLoughlin | { |
2561 | 5869c4d5 | Mark McLoughlin | VLANClientState *vc; |
2562 | 5869c4d5 | Mark McLoughlin | |
2563 | 5869c4d5 | Mark McLoughlin | QTAILQ_FOREACH(vc, &non_vlan_clients, next) { |
2564 | 5869c4d5 | Mark McLoughlin | if (!strcmp(vc->name, id)) {
|
2565 | 5869c4d5 | Mark McLoughlin | return vc;
|
2566 | 5869c4d5 | Mark McLoughlin | } |
2567 | 5869c4d5 | Mark McLoughlin | } |
2568 | 5869c4d5 | Mark McLoughlin | |
2569 | 5869c4d5 | Mark McLoughlin | return NULL; |
2570 | 5869c4d5 | Mark McLoughlin | } |
2571 | 5869c4d5 | Mark McLoughlin | |
2572 | 7697079b | aliguori | static int nic_get_free_idx(void) |
2573 | 7697079b | aliguori | { |
2574 | 7697079b | aliguori | int index;
|
2575 | 7697079b | aliguori | |
2576 | 7697079b | aliguori | for (index = 0; index < MAX_NICS; index++) |
2577 | 7697079b | aliguori | if (!nd_table[index].used)
|
2578 | 7697079b | aliguori | return index;
|
2579 | 7697079b | aliguori | return -1; |
2580 | 7697079b | aliguori | } |
2581 | 7697079b | aliguori | |
2582 | 07caea31 | Markus Armbruster | int qemu_show_nic_models(const char *arg, const char *const *models) |
2583 | 07caea31 | Markus Armbruster | { |
2584 | 07caea31 | Markus Armbruster | int i;
|
2585 | 07caea31 | Markus Armbruster | |
2586 | 07caea31 | Markus Armbruster | if (!arg || strcmp(arg, "?")) |
2587 | 07caea31 | Markus Armbruster | return 0; |
2588 | 07caea31 | Markus Armbruster | |
2589 | 07caea31 | Markus Armbruster | fprintf(stderr, "qemu: Supported NIC models: ");
|
2590 | 07caea31 | Markus Armbruster | for (i = 0 ; models[i]; i++) |
2591 | 07caea31 | Markus Armbruster | fprintf(stderr, "%s%c", models[i], models[i+1] ? ',' : '\n'); |
2592 | 07caea31 | Markus Armbruster | return 1; |
2593 | 07caea31 | Markus Armbruster | } |
2594 | 07caea31 | Markus Armbruster | |
2595 | d07f22c5 | aliguori | void qemu_check_nic_model(NICInfo *nd, const char *model) |
2596 | d07f22c5 | aliguori | { |
2597 | d07f22c5 | aliguori | const char *models[2]; |
2598 | d07f22c5 | aliguori | |
2599 | d07f22c5 | aliguori | models[0] = model;
|
2600 | d07f22c5 | aliguori | models[1] = NULL; |
2601 | d07f22c5 | aliguori | |
2602 | 07caea31 | Markus Armbruster | if (qemu_show_nic_models(nd->model, models))
|
2603 | 07caea31 | Markus Armbruster | exit(0);
|
2604 | 07caea31 | Markus Armbruster | if (qemu_find_nic_model(nd, models, model) < 0) |
2605 | 07caea31 | Markus Armbruster | exit(1);
|
2606 | d07f22c5 | aliguori | } |
2607 | d07f22c5 | aliguori | |
2608 | 07caea31 | Markus Armbruster | int qemu_find_nic_model(NICInfo *nd, const char * const *models, |
2609 | 07caea31 | Markus Armbruster | const char *default_model) |
2610 | d07f22c5 | aliguori | { |
2611 | 07caea31 | Markus Armbruster | int i;
|
2612 | d07f22c5 | aliguori | |
2613 | d07f22c5 | aliguori | if (!nd->model)
|
2614 | 32a8e14a | Mark McLoughlin | nd->model = qemu_strdup(default_model); |
2615 | d07f22c5 | aliguori | |
2616 | 07caea31 | Markus Armbruster | for (i = 0 ; models[i]; i++) { |
2617 | 07caea31 | Markus Armbruster | if (strcmp(nd->model, models[i]) == 0) |
2618 | 07caea31 | Markus Armbruster | return i;
|
2619 | d07f22c5 | aliguori | } |
2620 | d07f22c5 | aliguori | |
2621 | 07caea31 | Markus Armbruster | qemu_error("qemu: Unsupported NIC model: %s\n", nd->model);
|
2622 | 07caea31 | Markus Armbruster | return -1; |
2623 | d07f22c5 | aliguori | } |
2624 | d07f22c5 | aliguori | |
2625 | c1d6eed7 | Mark McLoughlin | static int net_handle_fd_param(Monitor *mon, const char *param) |
2626 | c1d6eed7 | Mark McLoughlin | { |
2627 | c1d6eed7 | Mark McLoughlin | if (!qemu_isdigit(param[0])) { |
2628 | c1d6eed7 | Mark McLoughlin | int fd;
|
2629 | c1d6eed7 | Mark McLoughlin | |
2630 | c1d6eed7 | Mark McLoughlin | fd = monitor_get_fd(mon, param); |
2631 | c1d6eed7 | Mark McLoughlin | if (fd == -1) { |
2632 | fb12577c | Markus Armbruster | qemu_error("No file descriptor named %s found", param);
|
2633 | c1d6eed7 | Mark McLoughlin | return -1; |
2634 | c1d6eed7 | Mark McLoughlin | } |
2635 | c1d6eed7 | Mark McLoughlin | |
2636 | c1d6eed7 | Mark McLoughlin | return fd;
|
2637 | c1d6eed7 | Mark McLoughlin | } else {
|
2638 | c1d6eed7 | Mark McLoughlin | return strtol(param, NULL, 0); |
2639 | c1d6eed7 | Mark McLoughlin | } |
2640 | c1d6eed7 | Mark McLoughlin | } |
2641 | c1d6eed7 | Mark McLoughlin | |
2642 | f6b134ac | Mark McLoughlin | static int net_init_nic(QemuOpts *opts, |
2643 | f6b134ac | Mark McLoughlin | Monitor *mon, |
2644 | f6b134ac | Mark McLoughlin | const char *name, |
2645 | f6b134ac | Mark McLoughlin | VLANState *vlan) |
2646 | f83c6e10 | Mark McLoughlin | { |
2647 | f83c6e10 | Mark McLoughlin | int idx;
|
2648 | f83c6e10 | Mark McLoughlin | NICInfo *nd; |
2649 | 5869c4d5 | Mark McLoughlin | const char *netdev; |
2650 | f83c6e10 | Mark McLoughlin | |
2651 | f83c6e10 | Mark McLoughlin | idx = nic_get_free_idx(); |
2652 | f83c6e10 | Mark McLoughlin | if (idx == -1 || nb_nics >= MAX_NICS) { |
2653 | f83c6e10 | Mark McLoughlin | qemu_error("Too Many NICs\n");
|
2654 | f83c6e10 | Mark McLoughlin | return -1; |
2655 | f83c6e10 | Mark McLoughlin | } |
2656 | f83c6e10 | Mark McLoughlin | |
2657 | f83c6e10 | Mark McLoughlin | nd = &nd_table[idx]; |
2658 | f83c6e10 | Mark McLoughlin | |
2659 | f83c6e10 | Mark McLoughlin | memset(nd, 0, sizeof(*nd)); |
2660 | f83c6e10 | Mark McLoughlin | |
2661 | 5869c4d5 | Mark McLoughlin | if ((netdev = qemu_opt_get(opts, "netdev"))) { |
2662 | 5869c4d5 | Mark McLoughlin | nd->netdev = qemu_find_netdev(netdev); |
2663 | 5869c4d5 | Mark McLoughlin | if (!nd->netdev) {
|
2664 | 5869c4d5 | Mark McLoughlin | qemu_error("netdev '%s' not found\n", netdev);
|
2665 | 5869c4d5 | Mark McLoughlin | return -1; |
2666 | 5869c4d5 | Mark McLoughlin | } |
2667 | 5869c4d5 | Mark McLoughlin | } else {
|
2668 | 5869c4d5 | Mark McLoughlin | assert(vlan); |
2669 | 5869c4d5 | Mark McLoughlin | nd->vlan = vlan; |
2670 | 5869c4d5 | Mark McLoughlin | } |
2671 | 6d952ebe | Mark McLoughlin | if (name) {
|
2672 | 6d952ebe | Mark McLoughlin | nd->name = qemu_strdup(name); |
2673 | 6d952ebe | Mark McLoughlin | } |
2674 | f83c6e10 | Mark McLoughlin | if (qemu_opt_get(opts, "model")) { |
2675 | f83c6e10 | Mark McLoughlin | nd->model = qemu_strdup(qemu_opt_get(opts, "model"));
|
2676 | f83c6e10 | Mark McLoughlin | } |
2677 | f83c6e10 | Mark McLoughlin | if (qemu_opt_get(opts, "addr")) { |
2678 | f83c6e10 | Mark McLoughlin | nd->devaddr = qemu_strdup(qemu_opt_get(opts, "addr"));
|
2679 | f83c6e10 | Mark McLoughlin | } |
2680 | f83c6e10 | Mark McLoughlin | |
2681 | f83c6e10 | Mark McLoughlin | nd->macaddr[0] = 0x52; |
2682 | f83c6e10 | Mark McLoughlin | nd->macaddr[1] = 0x54; |
2683 | f83c6e10 | Mark McLoughlin | nd->macaddr[2] = 0x00; |
2684 | f83c6e10 | Mark McLoughlin | nd->macaddr[3] = 0x12; |
2685 | f83c6e10 | Mark McLoughlin | nd->macaddr[4] = 0x34; |
2686 | f83c6e10 | Mark McLoughlin | nd->macaddr[5] = 0x56 + idx; |
2687 | f83c6e10 | Mark McLoughlin | |
2688 | f83c6e10 | Mark McLoughlin | if (qemu_opt_get(opts, "macaddr") && |
2689 | f83c6e10 | Mark McLoughlin | parse_macaddr(nd->macaddr, qemu_opt_get(opts, "macaddr")) < 0) { |
2690 | f83c6e10 | Mark McLoughlin | qemu_error("invalid syntax for ethernet address\n");
|
2691 | f83c6e10 | Mark McLoughlin | return -1; |
2692 | f83c6e10 | Mark McLoughlin | } |
2693 | f83c6e10 | Mark McLoughlin | |
2694 | f83c6e10 | Mark McLoughlin | nd->nvectors = qemu_opt_get_number(opts, "vectors", NIC_NVECTORS_UNSPECIFIED);
|
2695 | f83c6e10 | Mark McLoughlin | if (nd->nvectors != NIC_NVECTORS_UNSPECIFIED &&
|
2696 | f83c6e10 | Mark McLoughlin | (nd->nvectors < 0 || nd->nvectors > 0x7ffffff)) { |
2697 | f83c6e10 | Mark McLoughlin | qemu_error("invalid # of vectors: %d\n", nd->nvectors);
|
2698 | f83c6e10 | Mark McLoughlin | return -1; |
2699 | f83c6e10 | Mark McLoughlin | } |
2700 | f83c6e10 | Mark McLoughlin | |
2701 | f83c6e10 | Mark McLoughlin | nd->used = 1;
|
2702 | 5869c4d5 | Mark McLoughlin | if (vlan) {
|
2703 | 5869c4d5 | Mark McLoughlin | nd->vlan->nb_guest_devs++; |
2704 | 5869c4d5 | Mark McLoughlin | } |
2705 | f83c6e10 | Mark McLoughlin | nb_nics++; |
2706 | f83c6e10 | Mark McLoughlin | |
2707 | f83c6e10 | Mark McLoughlin | return idx;
|
2708 | f83c6e10 | Mark McLoughlin | } |
2709 | f83c6e10 | Mark McLoughlin | |
2710 | a3a766e7 | Juan Quintela | #if defined(CONFIG_SLIRP)
|
2711 | ec302ffd | Mark McLoughlin | static int net_init_slirp_configs(const char *name, const char *value, void *opaque) |
2712 | ec302ffd | Mark McLoughlin | { |
2713 | ec302ffd | Mark McLoughlin | struct slirp_config_str *config;
|
2714 | ec302ffd | Mark McLoughlin | |
2715 | ec302ffd | Mark McLoughlin | if (strcmp(name, "hostfwd") != 0 && strcmp(name, "guestfwd") != 0) { |
2716 | ec302ffd | Mark McLoughlin | return 0; |
2717 | ec302ffd | Mark McLoughlin | } |
2718 | ec302ffd | Mark McLoughlin | |
2719 | ec302ffd | Mark McLoughlin | config = qemu_mallocz(sizeof(*config));
|
2720 | ec302ffd | Mark McLoughlin | |
2721 | ec302ffd | Mark McLoughlin | pstrcpy(config->str, sizeof(config->str), value);
|
2722 | ec302ffd | Mark McLoughlin | |
2723 | ec302ffd | Mark McLoughlin | if (!strcmp(name, "hostfwd")) { |
2724 | ec302ffd | Mark McLoughlin | config->flags = SLIRP_CFG_HOSTFWD; |
2725 | ec302ffd | Mark McLoughlin | } |
2726 | ec302ffd | Mark McLoughlin | |
2727 | ec302ffd | Mark McLoughlin | config->next = slirp_configs; |
2728 | ec302ffd | Mark McLoughlin | slirp_configs = config; |
2729 | ec302ffd | Mark McLoughlin | |
2730 | ec302ffd | Mark McLoughlin | return 0; |
2731 | ec302ffd | Mark McLoughlin | } |
2732 | ec302ffd | Mark McLoughlin | |
2733 | f6b134ac | Mark McLoughlin | static int net_init_slirp(QemuOpts *opts, |
2734 | f6b134ac | Mark McLoughlin | Monitor *mon, |
2735 | f6b134ac | Mark McLoughlin | const char *name, |
2736 | f6b134ac | Mark McLoughlin | VLANState *vlan) |
2737 | ec302ffd | Mark McLoughlin | { |
2738 | ec302ffd | Mark McLoughlin | struct slirp_config_str *config;
|
2739 | ec302ffd | Mark McLoughlin | const char *vhost; |
2740 | ec302ffd | Mark McLoughlin | const char *vhostname; |
2741 | ec302ffd | Mark McLoughlin | const char *vdhcp_start; |
2742 | ec302ffd | Mark McLoughlin | const char *vnamesrv; |
2743 | ec302ffd | Mark McLoughlin | const char *tftp_export; |
2744 | ec302ffd | Mark McLoughlin | const char *bootfile; |
2745 | ec302ffd | Mark McLoughlin | const char *smb_export; |
2746 | ec302ffd | Mark McLoughlin | const char *vsmbsrv; |
2747 | ec302ffd | Mark McLoughlin | char *vnet = NULL; |
2748 | ec302ffd | Mark McLoughlin | int restricted = 0; |
2749 | ec302ffd | Mark McLoughlin | int ret;
|
2750 | ec302ffd | Mark McLoughlin | |
2751 | ec302ffd | Mark McLoughlin | vhost = qemu_opt_get(opts, "host");
|
2752 | ec302ffd | Mark McLoughlin | vhostname = qemu_opt_get(opts, "hostname");
|
2753 | ec302ffd | Mark McLoughlin | vdhcp_start = qemu_opt_get(opts, "dhcpstart");
|
2754 | ec302ffd | Mark McLoughlin | vnamesrv = qemu_opt_get(opts, "dns");
|
2755 | ec302ffd | Mark McLoughlin | tftp_export = qemu_opt_get(opts, "tftp");
|
2756 | ec302ffd | Mark McLoughlin | bootfile = qemu_opt_get(opts, "bootfile");
|
2757 | ec302ffd | Mark McLoughlin | smb_export = qemu_opt_get(opts, "smb");
|
2758 | ec302ffd | Mark McLoughlin | vsmbsrv = qemu_opt_get(opts, "smbserver");
|
2759 | ec302ffd | Mark McLoughlin | |
2760 | ec302ffd | Mark McLoughlin | if (qemu_opt_get(opts, "ip")) { |
2761 | ec302ffd | Mark McLoughlin | const char *ip = qemu_opt_get(opts, "ip"); |
2762 | ec302ffd | Mark McLoughlin | int l = strlen(ip) + strlen("/24") + 1; |
2763 | ec302ffd | Mark McLoughlin | |
2764 | ec302ffd | Mark McLoughlin | vnet = qemu_malloc(l); |
2765 | ec302ffd | Mark McLoughlin | |
2766 | ec302ffd | Mark McLoughlin | /* emulate legacy ip= parameter */
|
2767 | ec302ffd | Mark McLoughlin | pstrcpy(vnet, l, ip); |
2768 | ec302ffd | Mark McLoughlin | pstrcat(vnet, l, "/24");
|
2769 | ec302ffd | Mark McLoughlin | } |
2770 | ec302ffd | Mark McLoughlin | |
2771 | ec302ffd | Mark McLoughlin | if (qemu_opt_get(opts, "net")) { |
2772 | ec302ffd | Mark McLoughlin | if (vnet) {
|
2773 | ec302ffd | Mark McLoughlin | qemu_free(vnet); |
2774 | ec302ffd | Mark McLoughlin | } |
2775 | ec302ffd | Mark McLoughlin | vnet = qemu_strdup(qemu_opt_get(opts, "net"));
|
2776 | ec302ffd | Mark McLoughlin | } |
2777 | ec302ffd | Mark McLoughlin | |
2778 | ec302ffd | Mark McLoughlin | if (qemu_opt_get(opts, "restrict") && |
2779 | ec302ffd | Mark McLoughlin | qemu_opt_get(opts, "restrict")[0] == 'y') { |
2780 | ec302ffd | Mark McLoughlin | restricted = 1;
|
2781 | ec302ffd | Mark McLoughlin | } |
2782 | ec302ffd | Mark McLoughlin | |
2783 | ec302ffd | Mark McLoughlin | qemu_opt_foreach(opts, net_init_slirp_configs, NULL, 0); |
2784 | ec302ffd | Mark McLoughlin | |
2785 | ec302ffd | Mark McLoughlin | ret = net_slirp_init(vlan, "user", name, restricted, vnet, vhost,
|
2786 | ec302ffd | Mark McLoughlin | vhostname, tftp_export, bootfile, vdhcp_start, |
2787 | ec302ffd | Mark McLoughlin | vnamesrv, smb_export, vsmbsrv); |
2788 | ec302ffd | Mark McLoughlin | |
2789 | ec302ffd | Mark McLoughlin | while (slirp_configs) {
|
2790 | ec302ffd | Mark McLoughlin | config = slirp_configs; |
2791 | ec302ffd | Mark McLoughlin | slirp_configs = config->next; |
2792 | ec302ffd | Mark McLoughlin | qemu_free(config); |
2793 | ec302ffd | Mark McLoughlin | } |
2794 | ec302ffd | Mark McLoughlin | |
2795 | f6b134ac | Mark McLoughlin | if (ret != -1 && vlan) { |
2796 | ec302ffd | Mark McLoughlin | vlan->nb_host_devs++; |
2797 | ec302ffd | Mark McLoughlin | } |
2798 | ec302ffd | Mark McLoughlin | |
2799 | ec302ffd | Mark McLoughlin | qemu_free(vnet); |
2800 | ec302ffd | Mark McLoughlin | |
2801 | ec302ffd | Mark McLoughlin | return ret;
|
2802 | ec302ffd | Mark McLoughlin | } |
2803 | a3a766e7 | Juan Quintela | #endif /* CONFIG_SLIRP */ |
2804 | ec302ffd | Mark McLoughlin | |
2805 | a8ed73f7 | Mark McLoughlin | #if !defined(_WIN32) && !defined(_AIX)
|
2806 | a8ed73f7 | Mark McLoughlin | int net_init_tap(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan) |
2807 | 8a1c5235 | Mark McLoughlin | { |
2808 | 8a1c5235 | Mark McLoughlin | TAPState *s; |
2809 | 424a7f96 | Mark McLoughlin | int fd, vnet_hdr;
|
2810 | 8a1c5235 | Mark McLoughlin | |
2811 | 8a1c5235 | Mark McLoughlin | if (qemu_opt_get(opts, "fd")) { |
2812 | 8a1c5235 | Mark McLoughlin | if (qemu_opt_get(opts, "ifname") || |
2813 | 8a1c5235 | Mark McLoughlin | qemu_opt_get(opts, "script") ||
|
2814 | baf74c95 | Mark McLoughlin | qemu_opt_get(opts, "downscript") ||
|
2815 | baf74c95 | Mark McLoughlin | qemu_opt_get(opts, "vnet_hdr")) {
|
2816 | baf74c95 | Mark McLoughlin | qemu_error("ifname=, script=, downscript= and vnet_hdr= is invalid with fd=\n");
|
2817 | 8a1c5235 | Mark McLoughlin | return -1; |
2818 | 8a1c5235 | Mark McLoughlin | } |
2819 | 8a1c5235 | Mark McLoughlin | |
2820 | 8a1c5235 | Mark McLoughlin | fd = net_handle_fd_param(mon, qemu_opt_get(opts, "fd"));
|
2821 | 8a1c5235 | Mark McLoughlin | if (fd == -1) { |
2822 | 8a1c5235 | Mark McLoughlin | return -1; |
2823 | 8a1c5235 | Mark McLoughlin | } |
2824 | 8a1c5235 | Mark McLoughlin | |
2825 | 8a1c5235 | Mark McLoughlin | fcntl(fd, F_SETFL, O_NONBLOCK); |
2826 | 8a1c5235 | Mark McLoughlin | |
2827 | 424a7f96 | Mark McLoughlin | vnet_hdr = tap_probe_vnet_hdr(fd); |
2828 | 8a1c5235 | Mark McLoughlin | } else {
|
2829 | 424a7f96 | Mark McLoughlin | if (!qemu_opt_get(opts, "script")) { |
2830 | 424a7f96 | Mark McLoughlin | qemu_opt_set(opts, "script", DEFAULT_NETWORK_SCRIPT);
|
2831 | 8a1c5235 | Mark McLoughlin | } |
2832 | 424a7f96 | Mark McLoughlin | |
2833 | 424a7f96 | Mark McLoughlin | if (!qemu_opt_get(opts, "downscript")) { |
2834 | 424a7f96 | Mark McLoughlin | qemu_opt_set(opts, "downscript", DEFAULT_NETWORK_DOWN_SCRIPT);
|
2835 | 8a1c5235 | Mark McLoughlin | } |
2836 | 8a1c5235 | Mark McLoughlin | |
2837 | 424a7f96 | Mark McLoughlin | fd = net_tap_init(opts, &vnet_hdr); |
2838 | 8a1c5235 | Mark McLoughlin | } |
2839 | 8a1c5235 | Mark McLoughlin | |
2840 | 424a7f96 | Mark McLoughlin | s = net_tap_fd_init(vlan, "tap", name, fd, vnet_hdr);
|
2841 | 8a1c5235 | Mark McLoughlin | if (!s) {
|
2842 | 424a7f96 | Mark McLoughlin | close(fd); |
2843 | 8a1c5235 | Mark McLoughlin | return -1; |
2844 | 8a1c5235 | Mark McLoughlin | } |
2845 | 8a1c5235 | Mark McLoughlin | |
2846 | 8a1c5235 | Mark McLoughlin | if (tap_set_sndbuf(s, opts) < 0) { |
2847 | 8a1c5235 | Mark McLoughlin | return -1; |
2848 | 8a1c5235 | Mark McLoughlin | } |
2849 | 8a1c5235 | Mark McLoughlin | |
2850 | 424a7f96 | Mark McLoughlin | if (qemu_opt_get(opts, "fd")) { |
2851 | 424a7f96 | Mark McLoughlin | snprintf(s->vc->info_str, sizeof(s->vc->info_str), "fd=%d", fd); |
2852 | 424a7f96 | Mark McLoughlin | } else {
|
2853 | 424a7f96 | Mark McLoughlin | const char *ifname, *script, *downscript; |
2854 | 424a7f96 | Mark McLoughlin | |
2855 | 424a7f96 | Mark McLoughlin | ifname = qemu_opt_get(opts, "ifname");
|
2856 | 424a7f96 | Mark McLoughlin | script = qemu_opt_get(opts, "script");
|
2857 | 424a7f96 | Mark McLoughlin | downscript = qemu_opt_get(opts, "downscript");
|
2858 | 424a7f96 | Mark McLoughlin | |
2859 | 424a7f96 | Mark McLoughlin | snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
2860 | 424a7f96 | Mark McLoughlin | "ifname=%s,script=%s,downscript=%s",
|
2861 | 424a7f96 | Mark McLoughlin | ifname, script, downscript); |
2862 | 424a7f96 | Mark McLoughlin | |
2863 | 424a7f96 | Mark McLoughlin | if (strcmp(downscript, "no") != 0) { |
2864 | 424a7f96 | Mark McLoughlin | snprintf(s->down_script, sizeof(s->down_script), "%s", downscript); |
2865 | 424a7f96 | Mark McLoughlin | snprintf(s->down_script_arg, sizeof(s->down_script_arg), "%s", ifname); |
2866 | 424a7f96 | Mark McLoughlin | } |
2867 | 424a7f96 | Mark McLoughlin | } |
2868 | 424a7f96 | Mark McLoughlin | |
2869 | f6b134ac | Mark McLoughlin | if (vlan) {
|
2870 | f6b134ac | Mark McLoughlin | vlan->nb_host_devs++; |
2871 | f6b134ac | Mark McLoughlin | } |
2872 | 8a1c5235 | Mark McLoughlin | |
2873 | 8a1c5235 | Mark McLoughlin | return 0; |
2874 | 8a1c5235 | Mark McLoughlin | } |
2875 | a8ed73f7 | Mark McLoughlin | #endif /* !defined(_WIN32) && !defined(_AIX) */ |
2876 | 8a1c5235 | Mark McLoughlin | |
2877 | f6b134ac | Mark McLoughlin | static int net_init_socket(QemuOpts *opts, |
2878 | f6b134ac | Mark McLoughlin | Monitor *mon, |
2879 | f6b134ac | Mark McLoughlin | const char *name, |
2880 | f6b134ac | Mark McLoughlin | VLANState *vlan) |
2881 | 88ce16ca | Mark McLoughlin | { |
2882 | 88ce16ca | Mark McLoughlin | if (qemu_opt_get(opts, "fd")) { |
2883 | 88ce16ca | Mark McLoughlin | int fd;
|
2884 | 88ce16ca | Mark McLoughlin | |
2885 | 88ce16ca | Mark McLoughlin | if (qemu_opt_get(opts, "listen") || |
2886 | 88ce16ca | Mark McLoughlin | qemu_opt_get(opts, "connect") ||
|
2887 | 88ce16ca | Mark McLoughlin | qemu_opt_get(opts, "mcast")) {
|
2888 | 88ce16ca | Mark McLoughlin | qemu_error("listen=, connect= and mcast= is invalid with fd=\n");
|
2889 | 88ce16ca | Mark McLoughlin | return -1; |
2890 | 88ce16ca | Mark McLoughlin | } |
2891 | 88ce16ca | Mark McLoughlin | |
2892 | 88ce16ca | Mark McLoughlin | fd = net_handle_fd_param(mon, qemu_opt_get(opts, "fd"));
|
2893 | 88ce16ca | Mark McLoughlin | if (fd == -1) { |
2894 | 88ce16ca | Mark McLoughlin | return -1; |
2895 | 88ce16ca | Mark McLoughlin | } |
2896 | 88ce16ca | Mark McLoughlin | |
2897 | 88ce16ca | Mark McLoughlin | if (!net_socket_fd_init(vlan, "socket", name, fd, 1)) { |
2898 | 88ce16ca | Mark McLoughlin | close(fd); |
2899 | 88ce16ca | Mark McLoughlin | return -1; |
2900 | 88ce16ca | Mark McLoughlin | } |
2901 | 88ce16ca | Mark McLoughlin | } else if (qemu_opt_get(opts, "listen")) { |
2902 | 88ce16ca | Mark McLoughlin | const char *listen; |
2903 | 88ce16ca | Mark McLoughlin | |
2904 | 88ce16ca | Mark McLoughlin | if (qemu_opt_get(opts, "fd") || |
2905 | 88ce16ca | Mark McLoughlin | qemu_opt_get(opts, "connect") ||
|
2906 | 88ce16ca | Mark McLoughlin | qemu_opt_get(opts, "mcast")) {
|
2907 | 88ce16ca | Mark McLoughlin | qemu_error("fd=, connect= and mcast= is invalid with listen=\n");
|
2908 | 88ce16ca | Mark McLoughlin | return -1; |
2909 | 88ce16ca | Mark McLoughlin | } |
2910 | 88ce16ca | Mark McLoughlin | |
2911 | 88ce16ca | Mark McLoughlin | listen = qemu_opt_get(opts, "listen");
|
2912 | 88ce16ca | Mark McLoughlin | |
2913 | 88ce16ca | Mark McLoughlin | if (net_socket_listen_init(vlan, "socket", name, listen) == -1) { |
2914 | 88ce16ca | Mark McLoughlin | return -1; |
2915 | 88ce16ca | Mark McLoughlin | } |
2916 | 88ce16ca | Mark McLoughlin | } else if (qemu_opt_get(opts, "connect")) { |
2917 | 88ce16ca | Mark McLoughlin | const char *connect; |
2918 | 88ce16ca | Mark McLoughlin | |
2919 | 88ce16ca | Mark McLoughlin | if (qemu_opt_get(opts, "fd") || |
2920 | 88ce16ca | Mark McLoughlin | qemu_opt_get(opts, "listen") ||
|
2921 | 88ce16ca | Mark McLoughlin | qemu_opt_get(opts, "mcast")) {
|
2922 | 88ce16ca | Mark McLoughlin | qemu_error("fd=, listen= and mcast= is invalid with connect=\n");
|
2923 | 88ce16ca | Mark McLoughlin | return -1; |
2924 | 88ce16ca | Mark McLoughlin | } |
2925 | 88ce16ca | Mark McLoughlin | |
2926 | 88ce16ca | Mark McLoughlin | connect = qemu_opt_get(opts, "connect");
|
2927 | 88ce16ca | Mark McLoughlin | |
2928 | 88ce16ca | Mark McLoughlin | if (net_socket_connect_init(vlan, "socket", name, connect) == -1) { |
2929 | 88ce16ca | Mark McLoughlin | return -1; |
2930 | 88ce16ca | Mark McLoughlin | } |
2931 | 88ce16ca | Mark McLoughlin | } else if (qemu_opt_get(opts, "mcast")) { |
2932 | 88ce16ca | Mark McLoughlin | const char *mcast; |
2933 | 88ce16ca | Mark McLoughlin | |
2934 | 88ce16ca | Mark McLoughlin | if (qemu_opt_get(opts, "fd") || |
2935 | 88ce16ca | Mark McLoughlin | qemu_opt_get(opts, "connect") ||
|
2936 | 88ce16ca | Mark McLoughlin | qemu_opt_get(opts, "listen")) {
|
2937 | 88ce16ca | Mark McLoughlin | qemu_error("fd=, connect= and listen= is invalid with mcast=\n");
|
2938 | 88ce16ca | Mark McLoughlin | return -1; |
2939 | 88ce16ca | Mark McLoughlin | } |
2940 | 88ce16ca | Mark McLoughlin | |
2941 | 88ce16ca | Mark McLoughlin | mcast = qemu_opt_get(opts, "mcast");
|
2942 | 88ce16ca | Mark McLoughlin | |
2943 | 88ce16ca | Mark McLoughlin | if (net_socket_mcast_init(vlan, "socket", name, mcast) == -1) { |
2944 | 88ce16ca | Mark McLoughlin | return -1; |
2945 | 88ce16ca | Mark McLoughlin | } |
2946 | 88ce16ca | Mark McLoughlin | } else {
|
2947 | 88ce16ca | Mark McLoughlin | qemu_error("-socket requires fd=, listen=, connect= or mcast=\n");
|
2948 | 88ce16ca | Mark McLoughlin | return -1; |
2949 | 88ce16ca | Mark McLoughlin | } |
2950 | 88ce16ca | Mark McLoughlin | |
2951 | f6b134ac | Mark McLoughlin | if (vlan) {
|
2952 | f6b134ac | Mark McLoughlin | vlan->nb_host_devs++; |
2953 | f6b134ac | Mark McLoughlin | } |
2954 | 88ce16ca | Mark McLoughlin | |
2955 | 88ce16ca | Mark McLoughlin | return 0; |
2956 | 88ce16ca | Mark McLoughlin | } |
2957 | 88ce16ca | Mark McLoughlin | |
2958 | dd51058d | Mark McLoughlin | #ifdef CONFIG_VDE
|
2959 | f6b134ac | Mark McLoughlin | static int net_init_vde(QemuOpts *opts, |
2960 | f6b134ac | Mark McLoughlin | Monitor *mon, |
2961 | f6b134ac | Mark McLoughlin | const char *name, |
2962 | f6b134ac | Mark McLoughlin | VLANState *vlan) |
2963 | dd51058d | Mark McLoughlin | { |
2964 | dd51058d | Mark McLoughlin | const char *sock; |
2965 | dd51058d | Mark McLoughlin | const char *group; |
2966 | dd51058d | Mark McLoughlin | int port, mode;
|
2967 | dd51058d | Mark McLoughlin | |
2968 | dd51058d | Mark McLoughlin | sock = qemu_opt_get(opts, "sock");
|
2969 | dd51058d | Mark McLoughlin | group = qemu_opt_get(opts, "group");
|
2970 | dd51058d | Mark McLoughlin | |
2971 | dd51058d | Mark McLoughlin | port = qemu_opt_get_number(opts, "port", 0); |
2972 | dd51058d | Mark McLoughlin | mode = qemu_opt_get_number(opts, "mode", 0700); |
2973 | dd51058d | Mark McLoughlin | |
2974 | dd51058d | Mark McLoughlin | if (net_vde_init(vlan, "vde", name, sock, port, group, mode) == -1) { |
2975 | dd51058d | Mark McLoughlin | return -1; |
2976 | dd51058d | Mark McLoughlin | } |
2977 | dd51058d | Mark McLoughlin | |
2978 | f6b134ac | Mark McLoughlin | if (vlan) {
|
2979 | f6b134ac | Mark McLoughlin | vlan->nb_host_devs++; |
2980 | f6b134ac | Mark McLoughlin | } |
2981 | dd51058d | Mark McLoughlin | |
2982 | dd51058d | Mark McLoughlin | return 0; |
2983 | dd51058d | Mark McLoughlin | } |
2984 | dd51058d | Mark McLoughlin | #endif
|
2985 | dd51058d | Mark McLoughlin | |
2986 | f6b134ac | Mark McLoughlin | static int net_init_dump(QemuOpts *opts, |
2987 | f6b134ac | Mark McLoughlin | Monitor *mon, |
2988 | f6b134ac | Mark McLoughlin | const char *name, |
2989 | f6b134ac | Mark McLoughlin | VLANState *vlan) |
2990 | ed2955c2 | Mark McLoughlin | { |
2991 | ed2955c2 | Mark McLoughlin | int len;
|
2992 | ed2955c2 | Mark McLoughlin | const char *file; |
2993 | ed2955c2 | Mark McLoughlin | char def_file[128]; |
2994 | ed2955c2 | Mark McLoughlin | |
2995 | f6b134ac | Mark McLoughlin | assert(vlan); |
2996 | ed2955c2 | Mark McLoughlin | |
2997 | ed2955c2 | Mark McLoughlin | file = qemu_opt_get(opts, "file");
|
2998 | ed2955c2 | Mark McLoughlin | if (!file) {
|
2999 | ed2955c2 | Mark McLoughlin | snprintf(def_file, sizeof(def_file), "qemu-vlan%d.pcap", vlan->id); |
3000 | ed2955c2 | Mark McLoughlin | file = def_file; |
3001 | ed2955c2 | Mark McLoughlin | } |
3002 | ed2955c2 | Mark McLoughlin | |
3003 | ed2955c2 | Mark McLoughlin | len = qemu_opt_get_size(opts, "len", 65536); |
3004 | ed2955c2 | Mark McLoughlin | |
3005 | ed2955c2 | Mark McLoughlin | return net_dump_init(vlan, "dump", name, file, len); |
3006 | ed2955c2 | Mark McLoughlin | } |
3007 | ed2955c2 | Mark McLoughlin | |
3008 | f83c6e10 | Mark McLoughlin | #define NET_COMMON_PARAMS_DESC \
|
3009 | f83c6e10 | Mark McLoughlin | { \ |
3010 | f83c6e10 | Mark McLoughlin | .name = "type", \
|
3011 | f83c6e10 | Mark McLoughlin | .type = QEMU_OPT_STRING, \ |
3012 | f83c6e10 | Mark McLoughlin | .help = "net client type (nic, tap etc.)", \
|
3013 | f83c6e10 | Mark McLoughlin | }, { \ |
3014 | f83c6e10 | Mark McLoughlin | .name = "vlan", \
|
3015 | f83c6e10 | Mark McLoughlin | .type = QEMU_OPT_NUMBER, \ |
3016 | f83c6e10 | Mark McLoughlin | .help = "vlan number", \
|
3017 | f83c6e10 | Mark McLoughlin | }, { \ |
3018 | f83c6e10 | Mark McLoughlin | .name = "name", \
|
3019 | f83c6e10 | Mark McLoughlin | .type = QEMU_OPT_STRING, \ |
3020 | f83c6e10 | Mark McLoughlin | .help = "identifier for monitor commands", \
|
3021 | f83c6e10 | Mark McLoughlin | } |
3022 | f83c6e10 | Mark McLoughlin | |
3023 | 6d952ebe | Mark McLoughlin | typedef int (*net_client_init_func)(QemuOpts *opts, |
3024 | 6d952ebe | Mark McLoughlin | Monitor *mon, |
3025 | f6b134ac | Mark McLoughlin | const char *name, |
3026 | f6b134ac | Mark McLoughlin | VLANState *vlan); |
3027 | f83c6e10 | Mark McLoughlin | |
3028 | f83c6e10 | Mark McLoughlin | /* magic number, but compiler will warn if too small */
|
3029 | f83c6e10 | Mark McLoughlin | #define NET_MAX_DESC 20 |
3030 | f83c6e10 | Mark McLoughlin | |
3031 | f83c6e10 | Mark McLoughlin | static struct { |
3032 | f83c6e10 | Mark McLoughlin | const char *type; |
3033 | f83c6e10 | Mark McLoughlin | net_client_init_func init; |
3034 | f83c6e10 | Mark McLoughlin | QemuOptDesc desc[NET_MAX_DESC]; |
3035 | f83c6e10 | Mark McLoughlin | } net_client_types[] = { |
3036 | f83c6e10 | Mark McLoughlin | { |
3037 | f83c6e10 | Mark McLoughlin | .type = "none",
|
3038 | f83c6e10 | Mark McLoughlin | .desc = { |
3039 | f83c6e10 | Mark McLoughlin | NET_COMMON_PARAMS_DESC, |
3040 | f83c6e10 | Mark McLoughlin | { /* end of list */ }
|
3041 | f83c6e10 | Mark McLoughlin | }, |
3042 | f83c6e10 | Mark McLoughlin | }, { |
3043 | f83c6e10 | Mark McLoughlin | .type = "nic",
|
3044 | f83c6e10 | Mark McLoughlin | .init = net_init_nic, |
3045 | f83c6e10 | Mark McLoughlin | .desc = { |
3046 | f83c6e10 | Mark McLoughlin | NET_COMMON_PARAMS_DESC, |
3047 | f83c6e10 | Mark McLoughlin | { |
3048 | 5869c4d5 | Mark McLoughlin | .name = "netdev",
|
3049 | 5869c4d5 | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3050 | 5869c4d5 | Mark McLoughlin | .help = "id of -netdev to connect to",
|
3051 | 5869c4d5 | Mark McLoughlin | }, |
3052 | 5869c4d5 | Mark McLoughlin | { |
3053 | f83c6e10 | Mark McLoughlin | .name = "macaddr",
|
3054 | f83c6e10 | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3055 | f83c6e10 | Mark McLoughlin | .help = "MAC address",
|
3056 | f83c6e10 | Mark McLoughlin | }, { |
3057 | f83c6e10 | Mark McLoughlin | .name = "model",
|
3058 | f83c6e10 | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3059 | f83c6e10 | Mark McLoughlin | .help = "device model (e1000, rtl8139, virtio etc.)",
|
3060 | f83c6e10 | Mark McLoughlin | }, { |
3061 | f83c6e10 | Mark McLoughlin | .name = "addr",
|
3062 | f83c6e10 | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3063 | f83c6e10 | Mark McLoughlin | .help = "PCI device address",
|
3064 | f83c6e10 | Mark McLoughlin | }, { |
3065 | f83c6e10 | Mark McLoughlin | .name = "vectors",
|
3066 | f83c6e10 | Mark McLoughlin | .type = QEMU_OPT_NUMBER, |
3067 | f83c6e10 | Mark McLoughlin | .help = "number of MSI-x vectors, 0 to disable MSI-X",
|
3068 | f83c6e10 | Mark McLoughlin | }, |
3069 | f83c6e10 | Mark McLoughlin | { /* end of list */ }
|
3070 | f83c6e10 | Mark McLoughlin | }, |
3071 | ec302ffd | Mark McLoughlin | #ifdef CONFIG_SLIRP
|
3072 | ec302ffd | Mark McLoughlin | }, { |
3073 | ec302ffd | Mark McLoughlin | .type = "user",
|
3074 | ec302ffd | Mark McLoughlin | .init = net_init_slirp, |
3075 | ec302ffd | Mark McLoughlin | .desc = { |
3076 | ec302ffd | Mark McLoughlin | NET_COMMON_PARAMS_DESC, |
3077 | ec302ffd | Mark McLoughlin | { |
3078 | ec302ffd | Mark McLoughlin | .name = "hostname",
|
3079 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3080 | ec302ffd | Mark McLoughlin | .help = "client hostname reported by the builtin DHCP server",
|
3081 | ec302ffd | Mark McLoughlin | }, { |
3082 | ec302ffd | Mark McLoughlin | .name = "restrict",
|
3083 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3084 | ec302ffd | Mark McLoughlin | .help = "isolate the guest from the host (y|yes|n|no)",
|
3085 | ec302ffd | Mark McLoughlin | }, { |
3086 | ec302ffd | Mark McLoughlin | .name = "ip",
|
3087 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3088 | ec302ffd | Mark McLoughlin | .help = "legacy parameter, use net= instead",
|
3089 | ec302ffd | Mark McLoughlin | }, { |
3090 | ec302ffd | Mark McLoughlin | .name = "net",
|
3091 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3092 | ec302ffd | Mark McLoughlin | .help = "IP address and optional netmask",
|
3093 | ec302ffd | Mark McLoughlin | }, { |
3094 | ec302ffd | Mark McLoughlin | .name = "host",
|
3095 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3096 | ec302ffd | Mark McLoughlin | .help = "guest-visible address of the host",
|
3097 | ec302ffd | Mark McLoughlin | }, { |
3098 | ec302ffd | Mark McLoughlin | .name = "tftp",
|
3099 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3100 | ec302ffd | Mark McLoughlin | .help = "root directory of the built-in TFTP server",
|
3101 | ec302ffd | Mark McLoughlin | }, { |
3102 | ec302ffd | Mark McLoughlin | .name = "bootfile",
|
3103 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3104 | ec302ffd | Mark McLoughlin | .help = "BOOTP filename, for use with tftp=",
|
3105 | ec302ffd | Mark McLoughlin | }, { |
3106 | ec302ffd | Mark McLoughlin | .name = "dhcpstart",
|
3107 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3108 | ec302ffd | Mark McLoughlin | .help = "the first of the 16 IPs the built-in DHCP server can assign",
|
3109 | ec302ffd | Mark McLoughlin | }, { |
3110 | ec302ffd | Mark McLoughlin | .name = "dns",
|
3111 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3112 | ec302ffd | Mark McLoughlin | .help = "guest-visible address of the virtual nameserver",
|
3113 | ec302ffd | Mark McLoughlin | }, { |
3114 | ec302ffd | Mark McLoughlin | .name = "smb",
|
3115 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3116 | ec302ffd | Mark McLoughlin | .help = "root directory of the built-in SMB server",
|
3117 | ec302ffd | Mark McLoughlin | }, { |
3118 | ec302ffd | Mark McLoughlin | .name = "smbserver",
|
3119 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3120 | ec302ffd | Mark McLoughlin | .help = "IP address of the built-in SMB server",
|
3121 | ec302ffd | Mark McLoughlin | }, { |
3122 | ec302ffd | Mark McLoughlin | .name = "hostfwd",
|
3123 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3124 | ec302ffd | Mark McLoughlin | .help = "guest port number to forward incoming TCP or UDP connections",
|
3125 | ec302ffd | Mark McLoughlin | }, { |
3126 | ec302ffd | Mark McLoughlin | .name = "guestfwd",
|
3127 | ec302ffd | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3128 | ec302ffd | Mark McLoughlin | .help = "IP address and port to forward guest TCP connections",
|
3129 | ec302ffd | Mark McLoughlin | }, |
3130 | ec302ffd | Mark McLoughlin | { /* end of list */ }
|
3131 | ec302ffd | Mark McLoughlin | }, |
3132 | ec302ffd | Mark McLoughlin | #endif
|
3133 | a8ed73f7 | Mark McLoughlin | #ifndef _AIX
|
3134 | 8a1c5235 | Mark McLoughlin | }, { |
3135 | 8a1c5235 | Mark McLoughlin | .type = "tap",
|
3136 | a8ed73f7 | Mark McLoughlin | .init = net_init_tap, |
3137 | 8a1c5235 | Mark McLoughlin | .desc = { |
3138 | 8a1c5235 | Mark McLoughlin | NET_COMMON_PARAMS_DESC, |
3139 | 8a1c5235 | Mark McLoughlin | { |
3140 | 8a1c5235 | Mark McLoughlin | .name = "ifname",
|
3141 | 8a1c5235 | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3142 | 8a1c5235 | Mark McLoughlin | .help = "interface name",
|
3143 | 8a1c5235 | Mark McLoughlin | }, |
3144 | a8ed73f7 | Mark McLoughlin | #ifndef _WIN32
|
3145 | 8a1c5235 | Mark McLoughlin | { |
3146 | 8a1c5235 | Mark McLoughlin | .name = "fd",
|
3147 | 8a1c5235 | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3148 | 8a1c5235 | Mark McLoughlin | .help = "file descriptor of an already opened tap",
|
3149 | 8a1c5235 | Mark McLoughlin | }, { |
3150 | 8a1c5235 | Mark McLoughlin | .name = "script",
|
3151 | 8a1c5235 | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3152 | 8a1c5235 | Mark McLoughlin | .help = "script to initialize the interface",
|
3153 | 8a1c5235 | Mark McLoughlin | }, { |
3154 | 8a1c5235 | Mark McLoughlin | .name = "downscript",
|
3155 | 8a1c5235 | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3156 | 8a1c5235 | Mark McLoughlin | .help = "script to shut down the interface",
|
3157 | 8a1c5235 | Mark McLoughlin | }, { |
3158 | 8a1c5235 | Mark McLoughlin | .name = "sndbuf",
|
3159 | 8a1c5235 | Mark McLoughlin | .type = QEMU_OPT_SIZE, |
3160 | 8a1c5235 | Mark McLoughlin | .help = "send buffer limit"
|
3161 | baf74c95 | Mark McLoughlin | }, { |
3162 | baf74c95 | Mark McLoughlin | .name = "vnet_hdr",
|
3163 | baf74c95 | Mark McLoughlin | .type = QEMU_OPT_BOOL, |
3164 | baf74c95 | Mark McLoughlin | .help = "enable the IFF_VNET_HDR flag on the tap interface"
|
3165 | 8a1c5235 | Mark McLoughlin | }, |
3166 | a8ed73f7 | Mark McLoughlin | #endif /* _WIN32 */ |
3167 | 8a1c5235 | Mark McLoughlin | { /* end of list */ }
|
3168 | 8a1c5235 | Mark McLoughlin | }, |
3169 | a8ed73f7 | Mark McLoughlin | #endif /* _AIX */ |
3170 | 88ce16ca | Mark McLoughlin | }, { |
3171 | 88ce16ca | Mark McLoughlin | .type = "socket",
|
3172 | 88ce16ca | Mark McLoughlin | .init = net_init_socket, |
3173 | 88ce16ca | Mark McLoughlin | .desc = { |
3174 | 88ce16ca | Mark McLoughlin | NET_COMMON_PARAMS_DESC, |
3175 | 88ce16ca | Mark McLoughlin | { |
3176 | 88ce16ca | Mark McLoughlin | .name = "fd",
|
3177 | 88ce16ca | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3178 | 88ce16ca | Mark McLoughlin | .help = "file descriptor of an already opened socket",
|
3179 | 88ce16ca | Mark McLoughlin | }, { |
3180 | 88ce16ca | Mark McLoughlin | .name = "listen",
|
3181 | 88ce16ca | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3182 | 88ce16ca | Mark McLoughlin | .help = "port number, and optional hostname, to listen on",
|
3183 | 88ce16ca | Mark McLoughlin | }, { |
3184 | 88ce16ca | Mark McLoughlin | .name = "connect",
|
3185 | 88ce16ca | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3186 | 88ce16ca | Mark McLoughlin | .help = "port number, and optional hostname, to connect to",
|
3187 | 88ce16ca | Mark McLoughlin | }, { |
3188 | 88ce16ca | Mark McLoughlin | .name = "mcast",
|
3189 | 88ce16ca | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3190 | 88ce16ca | Mark McLoughlin | .help = "UDP multicast address and port number",
|
3191 | 88ce16ca | Mark McLoughlin | }, |
3192 | 88ce16ca | Mark McLoughlin | { /* end of list */ }
|
3193 | 88ce16ca | Mark McLoughlin | }, |
3194 | dd51058d | Mark McLoughlin | #ifdef CONFIG_VDE
|
3195 | dd51058d | Mark McLoughlin | }, { |
3196 | dd51058d | Mark McLoughlin | .type = "vde",
|
3197 | dd51058d | Mark McLoughlin | .init = net_init_vde, |
3198 | dd51058d | Mark McLoughlin | .desc = { |
3199 | dd51058d | Mark McLoughlin | NET_COMMON_PARAMS_DESC, |
3200 | dd51058d | Mark McLoughlin | { |
3201 | dd51058d | Mark McLoughlin | .name = "sock",
|
3202 | dd51058d | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3203 | dd51058d | Mark McLoughlin | .help = "socket path",
|
3204 | dd51058d | Mark McLoughlin | }, { |
3205 | dd51058d | Mark McLoughlin | .name = "port",
|
3206 | dd51058d | Mark McLoughlin | .type = QEMU_OPT_NUMBER, |
3207 | dd51058d | Mark McLoughlin | .help = "port number",
|
3208 | dd51058d | Mark McLoughlin | }, { |
3209 | dd51058d | Mark McLoughlin | .name = "group",
|
3210 | dd51058d | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3211 | dd51058d | Mark McLoughlin | .help = "group owner of socket",
|
3212 | dd51058d | Mark McLoughlin | }, { |
3213 | dd51058d | Mark McLoughlin | .name = "mode",
|
3214 | dd51058d | Mark McLoughlin | .type = QEMU_OPT_NUMBER, |
3215 | dd51058d | Mark McLoughlin | .help = "permissions for socket",
|
3216 | dd51058d | Mark McLoughlin | }, |
3217 | dd51058d | Mark McLoughlin | { /* end of list */ }
|
3218 | dd51058d | Mark McLoughlin | }, |
3219 | dd51058d | Mark McLoughlin | #endif
|
3220 | ed2955c2 | Mark McLoughlin | }, { |
3221 | ed2955c2 | Mark McLoughlin | .type = "dump",
|
3222 | ed2955c2 | Mark McLoughlin | .init = net_init_dump, |
3223 | ed2955c2 | Mark McLoughlin | .desc = { |
3224 | ed2955c2 | Mark McLoughlin | NET_COMMON_PARAMS_DESC, |
3225 | ed2955c2 | Mark McLoughlin | { |
3226 | ed2955c2 | Mark McLoughlin | .name = "len",
|
3227 | ed2955c2 | Mark McLoughlin | .type = QEMU_OPT_SIZE, |
3228 | ed2955c2 | Mark McLoughlin | .help = "per-packet size limit (64k default)",
|
3229 | ed2955c2 | Mark McLoughlin | }, { |
3230 | ed2955c2 | Mark McLoughlin | .name = "file",
|
3231 | ed2955c2 | Mark McLoughlin | .type = QEMU_OPT_STRING, |
3232 | ed2955c2 | Mark McLoughlin | .help = "dump file path (default is qemu-vlan0.pcap)",
|
3233 | ed2955c2 | Mark McLoughlin | }, |
3234 | ed2955c2 | Mark McLoughlin | { /* end of list */ }
|
3235 | ed2955c2 | Mark McLoughlin | }, |
3236 | f83c6e10 | Mark McLoughlin | }, |
3237 | f83c6e10 | Mark McLoughlin | { /* end of list */ }
|
3238 | f83c6e10 | Mark McLoughlin | }; |
3239 | f83c6e10 | Mark McLoughlin | |
3240 | f6b134ac | Mark McLoughlin | int net_client_init(Monitor *mon, QemuOpts *opts, int is_netdev) |
3241 | f83c6e10 | Mark McLoughlin | { |
3242 | 6d952ebe | Mark McLoughlin | const char *name; |
3243 | f83c6e10 | Mark McLoughlin | const char *type; |
3244 | f83c6e10 | Mark McLoughlin | int i;
|
3245 | f83c6e10 | Mark McLoughlin | |
3246 | f83c6e10 | Mark McLoughlin | type = qemu_opt_get(opts, "type");
|
3247 | f83c6e10 | Mark McLoughlin | if (!type) {
|
3248 | f83c6e10 | Mark McLoughlin | qemu_error("No type specified for -net\n");
|
3249 | f83c6e10 | Mark McLoughlin | return -1; |
3250 | f83c6e10 | Mark McLoughlin | } |
3251 | f83c6e10 | Mark McLoughlin | |
3252 | f6b134ac | Mark McLoughlin | if (is_netdev) {
|
3253 | f6b134ac | Mark McLoughlin | if (strcmp(type, "tap") != 0 && |
3254 | f6b134ac | Mark McLoughlin | #ifdef CONFIG_SLIRP
|
3255 | f6b134ac | Mark McLoughlin | strcmp(type, "user") != 0 && |
3256 | f6b134ac | Mark McLoughlin | #endif
|
3257 | f6b134ac | Mark McLoughlin | #ifdef CONFIG_VDE
|
3258 | f6b134ac | Mark McLoughlin | strcmp(type, "vde") != 0 && |
3259 | f6b134ac | Mark McLoughlin | #endif
|
3260 | f6b134ac | Mark McLoughlin | strcmp(type, "socket") != 0) { |
3261 | f6b134ac | Mark McLoughlin | qemu_error("The '%s' network backend type is not valid with -netdev\n",
|
3262 | f6b134ac | Mark McLoughlin | type); |
3263 | f6b134ac | Mark McLoughlin | return -1; |
3264 | f6b134ac | Mark McLoughlin | } |
3265 | f6b134ac | Mark McLoughlin | |
3266 | f6b134ac | Mark McLoughlin | if (qemu_opt_get(opts, "vlan")) { |
3267 | f6b134ac | Mark McLoughlin | qemu_error("The 'vlan' parameter is not valid with -netdev\n");
|
3268 | f6b134ac | Mark McLoughlin | return -1; |
3269 | f6b134ac | Mark McLoughlin | } |
3270 | f6b134ac | Mark McLoughlin | if (qemu_opt_get(opts, "name")) { |
3271 | f6b134ac | Mark McLoughlin | qemu_error("The 'name' parameter is not valid with -netdev\n");
|
3272 | f6b134ac | Mark McLoughlin | return -1; |
3273 | f6b134ac | Mark McLoughlin | } |
3274 | f6b134ac | Mark McLoughlin | if (!qemu_opts_id(opts)) {
|
3275 | f6b134ac | Mark McLoughlin | qemu_error("The id= parameter is required with -netdev\n");
|
3276 | f6b134ac | Mark McLoughlin | return -1; |
3277 | f6b134ac | Mark McLoughlin | } |
3278 | f6b134ac | Mark McLoughlin | } |
3279 | f6b134ac | Mark McLoughlin | |
3280 | 6d952ebe | Mark McLoughlin | name = qemu_opts_id(opts); |
3281 | 6d952ebe | Mark McLoughlin | if (!name) {
|
3282 | 6d952ebe | Mark McLoughlin | name = qemu_opt_get(opts, "name");
|
3283 | 6d952ebe | Mark McLoughlin | } |
3284 | 6d952ebe | Mark McLoughlin | |
3285 | f83c6e10 | Mark McLoughlin | for (i = 0; net_client_types[i].type != NULL; i++) { |
3286 | f83c6e10 | Mark McLoughlin | if (!strcmp(net_client_types[i].type, type)) {
|
3287 | f6b134ac | Mark McLoughlin | VLANState *vlan = NULL;
|
3288 | f6b134ac | Mark McLoughlin | |
3289 | f83c6e10 | Mark McLoughlin | if (qemu_opts_validate(opts, &net_client_types[i].desc[0]) == -1) { |
3290 | f83c6e10 | Mark McLoughlin | return -1; |
3291 | f83c6e10 | Mark McLoughlin | } |
3292 | f83c6e10 | Mark McLoughlin | |
3293 | 5869c4d5 | Mark McLoughlin | /* Do not add to a vlan if it's a -netdev or a nic with a
|
3294 | 5869c4d5 | Mark McLoughlin | * netdev= parameter. */
|
3295 | 5869c4d5 | Mark McLoughlin | if (!(is_netdev ||
|
3296 | 5869c4d5 | Mark McLoughlin | (strcmp(type, "nic") == 0 && qemu_opt_get(opts, "netdev")))) { |
3297 | f6b134ac | Mark McLoughlin | vlan = qemu_find_vlan(qemu_opt_get_number(opts, "vlan", 0), 1); |
3298 | f6b134ac | Mark McLoughlin | } |
3299 | f6b134ac | Mark McLoughlin | |
3300 | f83c6e10 | Mark McLoughlin | if (net_client_types[i].init) {
|
3301 | f6b134ac | Mark McLoughlin | return net_client_types[i].init(opts, mon, name, vlan);
|
3302 | f83c6e10 | Mark McLoughlin | } else {
|
3303 | f83c6e10 | Mark McLoughlin | return 0; |
3304 | f83c6e10 | Mark McLoughlin | } |
3305 | f83c6e10 | Mark McLoughlin | } |
3306 | f83c6e10 | Mark McLoughlin | } |
3307 | f83c6e10 | Mark McLoughlin | |
3308 | f83c6e10 | Mark McLoughlin | qemu_error("Invalid -net type '%s'\n", type);
|
3309 | f83c6e10 | Mark McLoughlin | return -1; |
3310 | f83c6e10 | Mark McLoughlin | } |
3311 | f83c6e10 | Mark McLoughlin | |
3312 | 8b13c4a7 | aliguori | void net_client_uninit(NICInfo *nd)
|
3313 | 8b13c4a7 | aliguori | { |
3314 | d80b9fc6 | Mark McLoughlin | if (nd->vlan) {
|
3315 | d80b9fc6 | Mark McLoughlin | nd->vlan->nb_guest_devs--; |
3316 | d80b9fc6 | Mark McLoughlin | } |
3317 | 8b13c4a7 | aliguori | nb_nics--; |
3318 | a9796703 | Glauber Costa | |
3319 | 9203f520 | Mark McLoughlin | qemu_free(nd->model); |
3320 | 9203f520 | Mark McLoughlin | qemu_free(nd->name); |
3321 | 9203f520 | Mark McLoughlin | qemu_free(nd->devaddr); |
3322 | a9796703 | Glauber Costa | |
3323 | d2cffe30 | Mark McLoughlin | nd->used = 0;
|
3324 | 8b13c4a7 | aliguori | } |
3325 | 8b13c4a7 | aliguori | |
3326 | 6f338c34 | aliguori | static int net_host_check_device(const char *device) |
3327 | 6f338c34 | aliguori | { |
3328 | 6f338c34 | aliguori | int i;
|
3329 | bb9ea79e | aliguori | const char *valid_param_list[] = { "tap", "socket", "dump" |
3330 | 6f338c34 | aliguori | #ifdef CONFIG_SLIRP
|
3331 | 6f338c34 | aliguori | ,"user"
|
3332 | 6f338c34 | aliguori | #endif
|
3333 | 6f338c34 | aliguori | #ifdef CONFIG_VDE
|
3334 | 6f338c34 | aliguori | ,"vde"
|
3335 | 6f338c34 | aliguori | #endif
|
3336 | 6f338c34 | aliguori | }; |
3337 | 6f338c34 | aliguori | for (i = 0; i < sizeof(valid_param_list) / sizeof(char *); i++) { |
3338 | 6f338c34 | aliguori | if (!strncmp(valid_param_list[i], device,
|
3339 | 6f338c34 | aliguori | strlen(valid_param_list[i]))) |
3340 | 6f338c34 | aliguori | return 1; |
3341 | 6f338c34 | aliguori | } |
3342 | 6f338c34 | aliguori | |
3343 | 6f338c34 | aliguori | return 0; |
3344 | 6f338c34 | aliguori | } |
3345 | 6f338c34 | aliguori | |
3346 | f18c16de | Luiz Capitulino | void net_host_device_add(Monitor *mon, const QDict *qdict) |
3347 | 6f338c34 | aliguori | { |
3348 | f18c16de | Luiz Capitulino | const char *device = qdict_get_str(qdict, "device"); |
3349 | 7f1c9d20 | Mark McLoughlin | const char *opts_str = qdict_get_try_str(qdict, "opts"); |
3350 | 7f1c9d20 | Mark McLoughlin | QemuOpts *opts; |
3351 | f18c16de | Luiz Capitulino | |
3352 | 6f338c34 | aliguori | if (!net_host_check_device(device)) {
|
3353 | 376253ec | aliguori | monitor_printf(mon, "invalid host network device %s\n", device);
|
3354 | 6f338c34 | aliguori | return;
|
3355 | 6f338c34 | aliguori | } |
3356 | 7f1c9d20 | Mark McLoughlin | |
3357 | 7f1c9d20 | Mark McLoughlin | opts = qemu_opts_parse(&qemu_net_opts, opts_str ? opts_str : "", NULL); |
3358 | 7f1c9d20 | Mark McLoughlin | if (!opts) {
|
3359 | 7f1c9d20 | Mark McLoughlin | monitor_printf(mon, "parsing network options '%s' failed\n",
|
3360 | 7f1c9d20 | Mark McLoughlin | opts_str ? opts_str : "");
|
3361 | 7f1c9d20 | Mark McLoughlin | return;
|
3362 | 7f1c9d20 | Mark McLoughlin | } |
3363 | 7f1c9d20 | Mark McLoughlin | |
3364 | 7f1c9d20 | Mark McLoughlin | qemu_opt_set(opts, "type", device);
|
3365 | 7f1c9d20 | Mark McLoughlin | |
3366 | f6b134ac | Mark McLoughlin | if (net_client_init(mon, opts, 0) < 0) { |
3367 | 5c8be678 | aliguori | monitor_printf(mon, "adding host network device %s failed\n", device);
|
3368 | 5c8be678 | aliguori | } |
3369 | 6f338c34 | aliguori | } |
3370 | 6f338c34 | aliguori | |
3371 | f18c16de | Luiz Capitulino | void net_host_device_remove(Monitor *mon, const QDict *qdict) |
3372 | 6f338c34 | aliguori | { |
3373 | 6f338c34 | aliguori | VLANClientState *vc; |
3374 | f18c16de | Luiz Capitulino | int vlan_id = qdict_get_int(qdict, "vlan_id"); |
3375 | f18c16de | Luiz Capitulino | const char *device = qdict_get_str(qdict, "device"); |
3376 | 6f338c34 | aliguori | |
3377 | 1a609520 | Jan Kiszka | vc = qemu_find_vlan_client_by_name(mon, vlan_id, device); |
3378 | 6f338c34 | aliguori | if (!vc) {
|
3379 | 6f338c34 | aliguori | return;
|
3380 | 6f338c34 | aliguori | } |
3381 | e8f1f9db | aliguori | if (!net_host_check_device(vc->model)) {
|
3382 | e8f1f9db | aliguori | monitor_printf(mon, "invalid host network device %s\n", device);
|
3383 | e8f1f9db | aliguori | return;
|
3384 | e8f1f9db | aliguori | } |
3385 | 6f338c34 | aliguori | qemu_del_vlan_client(vc); |
3386 | 6f338c34 | aliguori | } |
3387 | 6f338c34 | aliguori | |
3388 | 406c8df3 | Glauber Costa | void net_set_boot_mask(int net_boot_mask) |
3389 | 406c8df3 | Glauber Costa | { |
3390 | 406c8df3 | Glauber Costa | int i;
|
3391 | 406c8df3 | Glauber Costa | |
3392 | 406c8df3 | Glauber Costa | /* Only the first four NICs may be bootable */
|
3393 | 406c8df3 | Glauber Costa | net_boot_mask = net_boot_mask & 0xF;
|
3394 | 406c8df3 | Glauber Costa | |
3395 | 406c8df3 | Glauber Costa | for (i = 0; i < nb_nics; i++) { |
3396 | 406c8df3 | Glauber Costa | if (net_boot_mask & (1 << i)) { |
3397 | 406c8df3 | Glauber Costa | nd_table[i].bootable = 1;
|
3398 | 406c8df3 | Glauber Costa | net_boot_mask &= ~(1 << i);
|
3399 | 406c8df3 | Glauber Costa | } |
3400 | 406c8df3 | Glauber Costa | } |
3401 | 406c8df3 | Glauber Costa | |
3402 | 406c8df3 | Glauber Costa | if (net_boot_mask) {
|
3403 | 406c8df3 | Glauber Costa | fprintf(stderr, "Cannot boot from non-existent NIC\n");
|
3404 | 406c8df3 | Glauber Costa | exit(1);
|
3405 | 406c8df3 | Glauber Costa | } |
3406 | 406c8df3 | Glauber Costa | } |
3407 | 406c8df3 | Glauber Costa | |
3408 | 376253ec | aliguori | void do_info_network(Monitor *mon)
|
3409 | 63a01ef8 | aliguori | { |
3410 | 63a01ef8 | aliguori | VLANState *vlan; |
3411 | 63a01ef8 | aliguori | |
3412 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vlan, &vlans, next) { |
3413 | 5610c3aa | Mark McLoughlin | VLANClientState *vc; |
3414 | 5610c3aa | Mark McLoughlin | |
3415 | 376253ec | aliguori | monitor_printf(mon, "VLAN %d devices:\n", vlan->id);
|
3416 | 5610c3aa | Mark McLoughlin | |
3417 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
3418 | 376253ec | aliguori | monitor_printf(mon, " %s: %s\n", vc->name, vc->info_str);
|
3419 | 5610c3aa | Mark McLoughlin | } |
3420 | 63a01ef8 | aliguori | } |
3421 | 63a01ef8 | aliguori | } |
3422 | 63a01ef8 | aliguori | |
3423 | f18c16de | Luiz Capitulino | void do_set_link(Monitor *mon, const QDict *qdict) |
3424 | 436e5e53 | aliguori | { |
3425 | 436e5e53 | aliguori | VLANState *vlan; |
3426 | 436e5e53 | aliguori | VLANClientState *vc = NULL;
|
3427 | f18c16de | Luiz Capitulino | const char *name = qdict_get_str(qdict, "name"); |
3428 | f18c16de | Luiz Capitulino | const char *up_or_down = qdict_get_str(qdict, "up_or_down"); |
3429 | 436e5e53 | aliguori | |
3430 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vlan, &vlans, next) { |
3431 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vc, &vlan->clients, next) { |
3432 | 5610c3aa | Mark McLoughlin | if (strcmp(vc->name, name) == 0) { |
3433 | dd5de373 | edgar_igl | goto done;
|
3434 | 5610c3aa | Mark McLoughlin | } |
3435 | 5610c3aa | Mark McLoughlin | } |
3436 | 5610c3aa | Mark McLoughlin | } |
3437 | dd5de373 | edgar_igl | done:
|
3438 | 436e5e53 | aliguori | |
3439 | 436e5e53 | aliguori | if (!vc) {
|
3440 | 7dc3fa09 | Stefan Weil | monitor_printf(mon, "could not find network device '%s'\n", name);
|
3441 | c3cf0d3f | Luiz Capitulino | return;
|
3442 | 436e5e53 | aliguori | } |
3443 | 436e5e53 | aliguori | |
3444 | 436e5e53 | aliguori | if (strcmp(up_or_down, "up") == 0) |
3445 | 436e5e53 | aliguori | vc->link_down = 0;
|
3446 | 436e5e53 | aliguori | else if (strcmp(up_or_down, "down") == 0) |
3447 | 436e5e53 | aliguori | vc->link_down = 1;
|
3448 | 436e5e53 | aliguori | else
|
3449 | 376253ec | aliguori | monitor_printf(mon, "invalid link status '%s'; only 'up' or 'down' "
|
3450 | 376253ec | aliguori | "valid\n", up_or_down);
|
3451 | 436e5e53 | aliguori | |
3452 | 34b25ca7 | aliguori | if (vc->link_status_changed)
|
3453 | 34b25ca7 | aliguori | vc->link_status_changed(vc); |
3454 | 436e5e53 | aliguori | } |
3455 | 436e5e53 | aliguori | |
3456 | 63a01ef8 | aliguori | void net_cleanup(void) |
3457 | 63a01ef8 | aliguori | { |
3458 | 63a01ef8 | aliguori | VLANState *vlan; |
3459 | 577c4af9 | Mark McLoughlin | VLANClientState *vc, *next_vc; |
3460 | 63a01ef8 | aliguori | |
3461 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vlan, &vlans, next) { |
3462 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH_SAFE(vc, &vlan->clients, next, next_vc) { |
3463 | b946a153 | aliguori | qemu_del_vlan_client(vc); |
3464 | 63a01ef8 | aliguori | } |
3465 | 63a01ef8 | aliguori | } |
3466 | 577c4af9 | Mark McLoughlin | |
3467 | 577c4af9 | Mark McLoughlin | QTAILQ_FOREACH_SAFE(vc, &non_vlan_clients, next, next_vc) { |
3468 | 577c4af9 | Mark McLoughlin | qemu_del_vlan_client(vc); |
3469 | 577c4af9 | Mark McLoughlin | } |
3470 | 63a01ef8 | aliguori | } |
3471 | 63a01ef8 | aliguori | |
3472 | dc1c9fe8 | Mark McLoughlin | static void net_check_clients(void) |
3473 | 63a01ef8 | aliguori | { |
3474 | 63a01ef8 | aliguori | VLANState *vlan; |
3475 | 63a01ef8 | aliguori | |
3476 | 5610c3aa | Mark McLoughlin | QTAILQ_FOREACH(vlan, &vlans, next) { |
3477 | 63a01ef8 | aliguori | if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) |
3478 | 63a01ef8 | aliguori | continue;
|
3479 | 63a01ef8 | aliguori | if (vlan->nb_guest_devs == 0) |
3480 | 63a01ef8 | aliguori | fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id);
|
3481 | 63a01ef8 | aliguori | if (vlan->nb_host_devs == 0) |
3482 | 63a01ef8 | aliguori | fprintf(stderr, |
3483 | 63a01ef8 | aliguori | "Warning: vlan %d is not connected to host network\n",
|
3484 | 63a01ef8 | aliguori | vlan->id); |
3485 | 63a01ef8 | aliguori | } |
3486 | 63a01ef8 | aliguori | } |
3487 | dc1c9fe8 | Mark McLoughlin | |
3488 | dc1c9fe8 | Mark McLoughlin | static int net_init_client(QemuOpts *opts, void *dummy) |
3489 | dc1c9fe8 | Mark McLoughlin | { |
3490 | c1671a08 | Mark McLoughlin | if (net_client_init(NULL, opts, 0) < 0) |
3491 | c1671a08 | Mark McLoughlin | return -1; |
3492 | c1671a08 | Mark McLoughlin | return 0; |
3493 | f6b134ac | Mark McLoughlin | } |
3494 | f6b134ac | Mark McLoughlin | |
3495 | f6b134ac | Mark McLoughlin | static int net_init_netdev(QemuOpts *opts, void *dummy) |
3496 | f6b134ac | Mark McLoughlin | { |
3497 | f6b134ac | Mark McLoughlin | return net_client_init(NULL, opts, 1); |
3498 | dc1c9fe8 | Mark McLoughlin | } |
3499 | dc1c9fe8 | Mark McLoughlin | |
3500 | dc1c9fe8 | Mark McLoughlin | int net_init_clients(void) |
3501 | dc1c9fe8 | Mark McLoughlin | { |
3502 | dc1c9fe8 | Mark McLoughlin | if (QTAILQ_EMPTY(&qemu_net_opts.head)) {
|
3503 | dc1c9fe8 | Mark McLoughlin | /* if no clients, we use a default config */
|
3504 | dc1c9fe8 | Mark McLoughlin | qemu_opts_set(&qemu_net_opts, NULL, "type", "nic"); |
3505 | dc1c9fe8 | Mark McLoughlin | #ifdef CONFIG_SLIRP
|
3506 | dc1c9fe8 | Mark McLoughlin | qemu_opts_set(&qemu_net_opts, NULL, "type", "user"); |
3507 | dc1c9fe8 | Mark McLoughlin | #endif
|
3508 | dc1c9fe8 | Mark McLoughlin | } |
3509 | dc1c9fe8 | Mark McLoughlin | |
3510 | 5610c3aa | Mark McLoughlin | QTAILQ_INIT(&vlans); |
3511 | 577c4af9 | Mark McLoughlin | QTAILQ_INIT(&non_vlan_clients); |
3512 | 5610c3aa | Mark McLoughlin | |
3513 | f6b134ac | Mark McLoughlin | if (qemu_opts_foreach(&qemu_netdev_opts, net_init_netdev, NULL, 1) == -1) |
3514 | f6b134ac | Mark McLoughlin | return -1; |
3515 | f6b134ac | Mark McLoughlin | |
3516 | dc1c9fe8 | Mark McLoughlin | if (qemu_opts_foreach(&qemu_net_opts, net_init_client, NULL, 1) == -1) { |
3517 | dc1c9fe8 | Mark McLoughlin | return -1; |
3518 | dc1c9fe8 | Mark McLoughlin | } |
3519 | dc1c9fe8 | Mark McLoughlin | |
3520 | dc1c9fe8 | Mark McLoughlin | net_check_clients(); |
3521 | dc1c9fe8 | Mark McLoughlin | |
3522 | dc1c9fe8 | Mark McLoughlin | return 0; |
3523 | dc1c9fe8 | Mark McLoughlin | } |
3524 | dc1c9fe8 | Mark McLoughlin | |
3525 | 7f161aae | Mark McLoughlin | int net_client_parse(QemuOptsList *opts_list, const char *optarg) |
3526 | dc1c9fe8 | Mark McLoughlin | { |
3527 | a3a766e7 | Juan Quintela | #if defined(CONFIG_SLIRP)
|
3528 | dc1c9fe8 | Mark McLoughlin | /* handle legacy -net channel,port:chr */
|
3529 | 7f161aae | Mark McLoughlin | if (!strcmp(opts_list->name, "net") && |
3530 | 7f161aae | Mark McLoughlin | !strncmp(optarg, "channel,", strlen("channel,"))) { |
3531 | dc1c9fe8 | Mark McLoughlin | int ret;
|
3532 | dc1c9fe8 | Mark McLoughlin | |
3533 | dc1c9fe8 | Mark McLoughlin | optarg += strlen("channel,");
|
3534 | dc1c9fe8 | Mark McLoughlin | |
3535 | dc1c9fe8 | Mark McLoughlin | if (QTAILQ_EMPTY(&slirp_stacks)) {
|
3536 | dc1c9fe8 | Mark McLoughlin | struct slirp_config_str *config;
|
3537 | dc1c9fe8 | Mark McLoughlin | |
3538 | dc1c9fe8 | Mark McLoughlin | config = qemu_malloc(sizeof(*config));
|
3539 | dc1c9fe8 | Mark McLoughlin | pstrcpy(config->str, sizeof(config->str), optarg);
|
3540 | dc1c9fe8 | Mark McLoughlin | config->flags = SLIRP_CFG_LEGACY; |
3541 | dc1c9fe8 | Mark McLoughlin | config->next = slirp_configs; |
3542 | dc1c9fe8 | Mark McLoughlin | slirp_configs = config; |
3543 | dc1c9fe8 | Mark McLoughlin | ret = 0;
|
3544 | dc1c9fe8 | Mark McLoughlin | } else {
|
3545 | dc1c9fe8 | Mark McLoughlin | ret = slirp_guestfwd(QTAILQ_FIRST(&slirp_stacks), optarg, 1);
|
3546 | dc1c9fe8 | Mark McLoughlin | } |
3547 | dc1c9fe8 | Mark McLoughlin | |
3548 | dc1c9fe8 | Mark McLoughlin | return ret;
|
3549 | dc1c9fe8 | Mark McLoughlin | } |
3550 | a3a766e7 | Juan Quintela | #endif
|
3551 | 7f161aae | Mark McLoughlin | if (!qemu_opts_parse(opts_list, optarg, "type")) { |
3552 | dc1c9fe8 | Mark McLoughlin | return -1; |
3553 | dc1c9fe8 | Mark McLoughlin | } |
3554 | dc1c9fe8 | Mark McLoughlin | |
3555 | dc1c9fe8 | Mark McLoughlin | return 0; |
3556 | dc1c9fe8 | Mark McLoughlin | } |