src/sys/netinet/udp_usrreq.c - diff

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Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.

version 1.111, 2003/09/25 00:59:32

version 1.112, 2003/10/18 13:05:45

Line 270 udp_input(m, va_alist)

if (uh->uh_sum) {

switch (m->m_pkthdr.csum_flags &

((m->m_pkthdr.rcvif->if_csum_flags_rx & M_CSUM_UDPv4) |

M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) {

case M_CSUM_UDPv4|M_CSUM_TCP_UDP_BAD:

UDP_CSUM_COUNTER_INCR(&udp_hwcsum_bad);

goto badcsum;

Line 280 udp_input(m, va_alist)

u_int32_t hw_csum = m->m_pkthdr.csum_data;

UDP_CSUM_COUNTER_INCR(&udp_hwcsum_data);

if (m->m_pkthdr.csum_flags & M_CSUM_NO_PSEUDOHDR)

hw_csum = in_cksum_phdr(ip->ip_src.s_addr, ip->ip_dst.s_addr,

hw_csum = in_cksum_phdr(ip->ip_src.s_addr,

htonl(hw_csum + ntohs(ip->ip_len) + IPPROTO_UDP));

ip->ip_dst.s_addr,

htonl(hw_csum + ntohs(ip->ip_len) +

IPPROTO_UDP));

if ((hw_csum ^ 0xffff) != 0)

goto badcsum;

break;