src/sys/netinet/udp_usrreq.c - diff

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version 1.225, 2016/04/26 08:44:45

version 1.226, 2016/06/10 13:31:44

Line 276 udp4_input_checksum(struct mbuf *m, cons

return 0;

switch (m->m_pkthdr.csum_flags &

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

((m_get_rcvif_NOMPSAFE(m)->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);

Line 309 udp4_input_checksum(struct mbuf *m, cons

* Need to compute it ourselves. Maybe skip checksum

* on loopback interfaces.

if (__predict_true(!(m->m_pkthdr.rcvif->if_flags &

if (__predict_true(!(m_get_rcvif_NOMPSAFE(m)->if_flags &

IFF_LOOPBACK) ||

udp_do_loopback_cksum)) {

UDP_CSUM_COUNTER_INCR(&udp_swcsum);

Line 529 udp4_realinput(struct sockaddr_in *src,

dport = &dst->sin_port;

if (IN_MULTICAST(dst4->s_addr) ||

in_broadcast(*dst4, m->m_pkthdr.rcvif)) {

in_broadcast(*dst4, m_get_rcvif_NOMPSAFE(m))) {

* Deliver a multicast or broadcast datagram to *all* sockets

* for which the local and remote addresses and ports match