Archipelago » qemu

 *

 * This routine is very heavily used in the network

 * code and should be modified for each CPU to be as fast as possible.

 * XXX Since we will never span more than 1 mbuf, we can optimise this

 */

		u_int16_t s[2];

		u_int32_t l;

	} l_util;

	if (m->m_len == 0)

	   goto cont;

	w = mtod(m, u_int16_t *);

	mlen = m->m_len;

	if (len < mlen)

	   mlen = len;

	len -= mlen;

	while ((mlen -= 2) >= 0) {

		sum += *w++;

	}

	if (byte_swapped) {

		REDUCE;

		sum <<= 8;

			sum += s_util.s;

			mlen = 0;

		} else

		   mlen = -1;

	} else if (mlen == -1)

	   s_util.c[0] = *(u_int8_t *)w;

cont:

#ifdef DEBUG

	if (len) {