Revision b6dce92e slirp/ip_output.c
| b/slirp/ip_output.c | ||
|---|---|---|
| 75 | 75 |
/* |
| 76 | 76 |
* If small enough for interface, can just send directly. |
| 77 | 77 |
*/ |
| 78 |
if ((u_int16_t)ip->ip_len <= IF_MTU) {
|
|
| 79 |
ip->ip_len = htons((u_int16_t)ip->ip_len);
|
|
| 80 |
ip->ip_off = htons((u_int16_t)ip->ip_off);
|
|
| 78 |
if ((uint16_t)ip->ip_len <= IF_MTU) {
|
|
| 79 |
ip->ip_len = htons((uint16_t)ip->ip_len); |
|
| 80 |
ip->ip_off = htons((uint16_t)ip->ip_off); |
|
| 81 | 81 |
ip->ip_sum = 0; |
| 82 | 82 |
ip->ip_sum = cksum(m, hlen); |
| 83 | 83 |
|
| ... | ... | |
| 110 | 110 |
*/ |
| 111 | 111 |
m0 = m; |
| 112 | 112 |
mhlen = sizeof (struct ip); |
| 113 |
for (off = hlen + len; off < (u_int16_t)ip->ip_len; off += len) {
|
|
| 113 |
for (off = hlen + len; off < (uint16_t)ip->ip_len; off += len) {
|
|
| 114 | 114 |
register struct ip *mhip; |
| 115 | 115 |
m = m_get(slirp); |
| 116 | 116 |
if (m == NULL) {
|
| ... | ... | |
| 125 | 125 |
mhip->ip_off = ((off - hlen) >> 3) + (ip->ip_off & ~IP_MF); |
| 126 | 126 |
if (ip->ip_off & IP_MF) |
| 127 | 127 |
mhip->ip_off |= IP_MF; |
| 128 |
if (off + len >= (u_int16_t)ip->ip_len)
|
|
| 129 |
len = (u_int16_t)ip->ip_len - off;
|
|
| 128 |
if (off + len >= (uint16_t)ip->ip_len) |
|
| 129 |
len = (uint16_t)ip->ip_len - off; |
|
| 130 | 130 |
else |
| 131 | 131 |
mhip->ip_off |= IP_MF; |
| 132 |
mhip->ip_len = htons((u_int16_t)(len + mhlen));
|
|
| 132 |
mhip->ip_len = htons((uint16_t)(len + mhlen)); |
|
| 133 | 133 |
|
| 134 | 134 |
if (m_copy(m, m0, off, len) < 0) {
|
| 135 | 135 |
error = -1; |
| 136 | 136 |
goto sendorfree; |
| 137 | 137 |
} |
| 138 | 138 |
|
| 139 |
mhip->ip_off = htons((u_int16_t)mhip->ip_off);
|
|
| 139 |
mhip->ip_off = htons((uint16_t)mhip->ip_off); |
|
| 140 | 140 |
mhip->ip_sum = 0; |
| 141 | 141 |
mhip->ip_sum = cksum(m, mhlen); |
| 142 | 142 |
*mnext = m; |
| ... | ... | |
| 147 | 147 |
* and updating header, then send each fragment (in order). |
| 148 | 148 |
*/ |
| 149 | 149 |
m = m0; |
| 150 |
m_adj(m, hlen + firstlen - (u_int16_t)ip->ip_len);
|
|
| 151 |
ip->ip_len = htons((u_int16_t)m->m_len);
|
|
| 152 |
ip->ip_off = htons((u_int16_t)(ip->ip_off | IP_MF));
|
|
| 150 |
m_adj(m, hlen + firstlen - (uint16_t)ip->ip_len); |
|
| 151 |
ip->ip_len = htons((uint16_t)m->m_len); |
|
| 152 |
ip->ip_off = htons((uint16_t)(ip->ip_off | IP_MF)); |
|
| 153 | 153 |
ip->ip_sum = 0; |
| 154 | 154 |
ip->ip_sum = cksum(m, hlen); |
| 155 | 155 |
sendorfree: |
Also available in: Unified diff