src/sys/netinet/udp_usrreq.c - diff

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Diff for /src/sys/netinet/udp_usrreq.c between version 1.139 and 1.140

version 1.139, 2005/08/05 09:21:26

version 1.140, 2005/08/10 13:05:17

Line 186 struct mowner udp_tx_mowner = { "udp", "

#ifdef UDP_CSUM_COUNTERS

#include <sys/device.h>

#if defined(INET)

struct evcnt udp_hwcsum_bad = EVCNT_INITIALIZER(EVCNT_TYPE_MISC,

NULL, "udp", "hwcsum bad");

struct evcnt udp_hwcsum_ok = EVCNT_INITIALIZER(EVCNT_TYPE_MISC,

Line 195 struct evcnt udp_hwcsum_data = EVCNT_INI

Line 196 struct evcnt udp_hwcsum_data = EVCNT_INI

struct evcnt udp_swcsum = EVCNT_INITIALIZER(EVCNT_TYPE_MISC,

NULL, "udp", "swcsum");

#define UDP_CSUM_COUNTER_INCR(ev) (ev)->ev_count++

EVCNT_ATTACH_STATIC(udp_hwcsum_bad);

EVCNT_ATTACH_STATIC(udp_hwcsum_ok);

EVCNT_ATTACH_STATIC(udp_hwcsum_data);

EVCNT_ATTACH_STATIC(udp_swcsum);

#endif /* defined(INET) */

#if defined(INET6)

struct evcnt udp6_hwcsum_bad = EVCNT_INITIALIZER(EVCNT_TYPE_MISC,

NULL, "udp6", "hwcsum bad");

struct evcnt udp6_hwcsum_ok = EVCNT_INITIALIZER(EVCNT_TYPE_MISC,

NULL, "udp6", "hwcsum ok");

struct evcnt udp6_hwcsum_data = EVCNT_INITIALIZER(EVCNT_TYPE_MISC,

NULL, "udp6", "hwcsum data");

struct evcnt udp6_swcsum = EVCNT_INITIALIZER(EVCNT_TYPE_MISC,

NULL, "udp6", "swcsum");

EVCNT_ATTACH_STATIC(udp6_hwcsum_bad);

EVCNT_ATTACH_STATIC(udp6_hwcsum_ok);

EVCNT_ATTACH_STATIC(udp6_hwcsum_data);

EVCNT_ATTACH_STATIC(udp6_swcsum);

#endif /* defined(INET6) */

#define UDP_CSUM_COUNTER_INCR(ev) (ev)->ev_count++

#else

Line 442 static int

Line 460 static int

udp6_input_checksum(struct mbuf *m, const struct udphdr *uh, int off, int len)

{

* XXX it's better to record and check if this mbuf is

* already checked.

if (__predict_false((m->m_flags & M_LOOP) && !udp_do_loopback_cksum)) {

goto good;

}

Line 449 udp6_input_checksum(struct mbuf *m, cons

Line 472 udp6_input_checksum(struct mbuf *m, cons

udp6stat.udp6s_nosum++;

goto bad;

}

if (in6_cksum(m, IPPROTO_UDP, off, len) != 0) {

switch (m->m_pkthdr.csum_flags &

((m->m_pkthdr.rcvif->if_csum_flags_rx & M_CSUM_UDPv6) |

M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) {

case M_CSUM_UDPv6|M_CSUM_TCP_UDP_BAD:

UDP_CSUM_COUNTER_INCR(&udp6_hwcsum_bad);

udp6stat.udp6s_badsum++;

goto bad;

#if 0 /* notyet */

case M_CSUM_UDPv6|M_CSUM_DATA:

#endif

case M_CSUM_UDPv6:

/* Checksum was okay. */

UDP_CSUM_COUNTER_INCR(&udp6_hwcsum_ok);

break;

default:

* Need to compute it ourselves. Maybe skip checksum

* on loopback interfaces.

UDP_CSUM_COUNTER_INCR(&udp6_swcsum);

if (in6_cksum(m, IPPROTO_UDP, off, len) != 0) {

udp6stat.udp6s_badsum++;

goto bad;

}

good:

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