version 1.160.2.1, 2007/09/03 10:23:47 |
version 1.172, 2008/05/04 07:22:14 |
Line 94 __KERNEL_RCSID(0, "$NetBSD$"); |
|
Line 94 __KERNEL_RCSID(0, "$NetBSD$"); |
|
#include <netinet/ip_icmp.h> |
#include <netinet/ip_icmp.h> |
#include <netinet/udp.h> |
#include <netinet/udp.h> |
#include <netinet/udp_var.h> |
#include <netinet/udp_var.h> |
|
#include <netinet/udp_private.h> |
|
|
#ifdef INET6 |
#ifdef INET6 |
#include <netinet/ip6.h> |
#include <netinet/ip6.h> |
#include <netinet/icmp6.h> |
#include <netinet/icmp6.h> |
#include <netinet6/ip6_var.h> |
#include <netinet6/ip6_var.h> |
|
#include <netinet6/ip6_private.h> |
#include <netinet6/in6_pcb.h> |
#include <netinet6/in6_pcb.h> |
#include <netinet6/udp6_var.h> |
#include <netinet6/udp6_var.h> |
|
#include <netinet6/udp6_private.h> |
#include <netinet6/scope6_var.h> |
#include <netinet6/scope6_var.h> |
#endif |
#endif |
|
|
Line 118 __KERNEL_RCSID(0, "$NetBSD$"); |
|
Line 121 __KERNEL_RCSID(0, "$NetBSD$"); |
|
|
|
#ifdef FAST_IPSEC |
#ifdef FAST_IPSEC |
#include <netipsec/ipsec.h> |
#include <netipsec/ipsec.h> |
#include <netipsec/ipsec_var.h> /* XXX ipsecstat namespace */ |
#include <netipsec/ipsec_var.h> |
|
#include <netipsec/ipsec_private.h> |
#include <netipsec/esp.h> |
#include <netipsec/esp.h> |
#ifdef INET6 |
#ifdef INET6 |
#include <netipsec/ipsec6.h> |
#include <netipsec/ipsec6.h> |
#endif |
#endif |
#endif /* FAST_IPSEC*/ |
#endif /* FAST_IPSEC */ |
|
|
#ifdef IPSEC |
#ifdef IPSEC |
#include <netinet6/ipsec.h> |
#include <netinet6/ipsec.h> |
|
#include <netinet6/ipsec_private.h> |
#include <netinet6/esp.h> |
#include <netinet6/esp.h> |
#include <netkey/key.h> |
#include <netkey/key.h> |
#endif /*IPSEC*/ |
#endif /* IPSEC */ |
|
|
#ifdef IPKDB |
#ifdef IPKDB |
#include <ipkdb/ipkdb.h> |
#include <ipkdb/ipkdb.h> |
Line 143 int udpcksum = 1; |
|
Line 148 int udpcksum = 1; |
|
int udp_do_loopback_cksum = 0; |
int udp_do_loopback_cksum = 0; |
|
|
struct inpcbtable udbtable; |
struct inpcbtable udbtable; |
struct udpstat udpstat; |
|
|
percpu_t *udpstat_percpu; |
|
|
#ifdef INET |
#ifdef INET |
#ifdef IPSEC_NAT_T |
#ifdef IPSEC_NAT_T |
|
|
MOWNER_ATTACH(&udp_tx_mowner); |
MOWNER_ATTACH(&udp_tx_mowner); |
MOWNER_ATTACH(&udp_rx_mowner); |
MOWNER_ATTACH(&udp_rx_mowner); |
MOWNER_ATTACH(&udp_mowner); |
MOWNER_ATTACH(&udp_mowner); |
|
|
|
#ifdef INET |
|
udpstat_percpu = percpu_alloc(sizeof(uint64_t) * UDP_NSTATS); |
|
#endif |
|
#ifdef INET6 |
|
udp6stat_percpu = percpu_alloc(sizeof(uint64_t) * UDP6_NSTATS); |
|
#endif |
} |
} |
|
|
/* |
/* |
Line 324 udp4_input_checksum(struct mbuf *m, cons |
|
Line 337 udp4_input_checksum(struct mbuf *m, cons |
|
return 0; |
return 0; |
|
|
badcsum: |
badcsum: |
udpstat.udps_badsum++; |
UDP_STATINC(UDP_STAT_BADSUM); |
return -1; |
return -1; |
} |
} |
|
|
Line 346 udp_input(struct mbuf *m, ...) |
|
Line 359 udp_input(struct mbuf *m, ...) |
|
va_end(ap); |
va_end(ap); |
|
|
MCLAIM(m, &udp_rx_mowner); |
MCLAIM(m, &udp_rx_mowner); |
udpstat.udps_ipackets++; |
UDP_STATINC(UDP_STAT_IPACKETS); |
|
|
/* |
/* |
* Get IP and UDP header together in first mbuf. |
* Get IP and UDP header together in first mbuf. |
Line 354 udp_input(struct mbuf *m, ...) |
|
Line 367 udp_input(struct mbuf *m, ...) |
|
ip = mtod(m, struct ip *); |
ip = mtod(m, struct ip *); |
IP6_EXTHDR_GET(uh, struct udphdr *, m, iphlen, sizeof(struct udphdr)); |
IP6_EXTHDR_GET(uh, struct udphdr *, m, iphlen, sizeof(struct udphdr)); |
if (uh == NULL) { |
if (uh == NULL) { |
udpstat.udps_hdrops++; |
UDP_STATINC(UDP_STAT_HDROPS); |
return; |
return; |
} |
} |
KASSERT(UDP_HDR_ALIGNED_P(uh)); |
KASSERT(UDP_HDR_ALIGNED_P(uh)); |
Line 371 udp_input(struct mbuf *m, ...) |
|
Line 384 udp_input(struct mbuf *m, ...) |
|
len = ntohs((u_int16_t)uh->uh_ulen); |
len = ntohs((u_int16_t)uh->uh_ulen); |
if (ip_len != iphlen + len) { |
if (ip_len != iphlen + len) { |
if (ip_len < iphlen + len || len < sizeof(struct udphdr)) { |
if (ip_len < iphlen + len || len < sizeof(struct udphdr)) { |
udpstat.udps_badlen++; |
UDP_STATINC(UDP_STAT_BADLEN); |
goto bad; |
goto bad; |
} |
} |
m_adj(m, iphlen + len - ip_len); |
m_adj(m, iphlen + len - ip_len); |
Line 388 udp_input(struct mbuf *m, ...) |
|
Line 401 udp_input(struct mbuf *m, ...) |
|
sockaddr_in_init(&dst, &ip->ip_dst, uh->uh_dport); |
sockaddr_in_init(&dst, &ip->ip_dst, uh->uh_dport); |
|
|
if ((n = udp4_realinput(&src, &dst, &m, iphlen)) == -1) { |
if ((n = udp4_realinput(&src, &dst, &m, iphlen)) == -1) { |
udpstat.udps_hdrops++; |
UDP_STATINC(UDP_STAT_HDROPS); |
return; |
return; |
} |
} |
#ifdef INET6 |
#ifdef INET6 |
Line 416 udp_input(struct mbuf *m, ...) |
|
Line 429 udp_input(struct mbuf *m, ...) |
|
|
|
if (n == 0) { |
if (n == 0) { |
if (m->m_flags & (M_BCAST | M_MCAST)) { |
if (m->m_flags & (M_BCAST | M_MCAST)) { |
udpstat.udps_noportbcast++; |
UDP_STATINC(UDP_STAT_NOPORTBCAST); |
goto bad; |
goto bad; |
} |
} |
udpstat.udps_noport++; |
UDP_STATINC(UDP_STAT_NOPORT); |
#ifdef IPKDB |
#ifdef IPKDB |
if (checkipkdb(&ip->ip_src, uh->uh_sport, uh->uh_dport, |
if (checkipkdb(&ip->ip_src, uh->uh_sport, uh->uh_dport, |
m, iphlen + sizeof(struct udphdr), |
m, iphlen + sizeof(struct udphdr), |
Line 459 udp6_input_checksum(struct mbuf *m, cons |
|
Line 472 udp6_input_checksum(struct mbuf *m, cons |
|
goto good; |
goto good; |
} |
} |
if (uh->uh_sum == 0) { |
if (uh->uh_sum == 0) { |
udp6stat.udp6s_nosum++; |
UDP6_STATINC(UDP6_STAT_NOSUM); |
goto bad; |
goto bad; |
} |
} |
|
|
Line 468 udp6_input_checksum(struct mbuf *m, cons |
|
Line 481 udp6_input_checksum(struct mbuf *m, cons |
|
M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) { |
M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) { |
case M_CSUM_UDPv6|M_CSUM_TCP_UDP_BAD: |
case M_CSUM_UDPv6|M_CSUM_TCP_UDP_BAD: |
UDP_CSUM_COUNTER_INCR(&udp6_hwcsum_bad); |
UDP_CSUM_COUNTER_INCR(&udp6_hwcsum_bad); |
udp6stat.udp6s_badsum++; |
UDP6_STATINC(UDP6_STAT_BADSUM); |
goto bad; |
goto bad; |
|
|
#if 0 /* notyet */ |
#if 0 /* notyet */ |
Line 487 udp6_input_checksum(struct mbuf *m, cons |
|
Line 500 udp6_input_checksum(struct mbuf *m, cons |
|
*/ |
*/ |
UDP_CSUM_COUNTER_INCR(&udp6_swcsum); |
UDP_CSUM_COUNTER_INCR(&udp6_swcsum); |
if (in6_cksum(m, IPPROTO_UDP, off, len) != 0) { |
if (in6_cksum(m, IPPROTO_UDP, off, len) != 0) { |
udp6stat.udp6s_badsum++; |
UDP6_STATINC(UDP6_STAT_BADSUM); |
goto bad; |
goto bad; |
} |
} |
} |
} |
Line 518 udp6_input(struct mbuf **mp, int *offp, |
|
Line 531 udp6_input(struct mbuf **mp, int *offp, |
|
} |
} |
#endif |
#endif |
|
|
udp6stat.udp6s_ipackets++; |
UDP6_STATINC(UDP6_STAT_IPACKETS); |
|
|
/* check for jumbogram is done in ip6_input. we can trust pkthdr.len */ |
/* check for jumbogram is done in ip6_input. we can trust pkthdr.len */ |
plen = m->m_pkthdr.len - off; |
plen = m->m_pkthdr.len - off; |
IP6_EXTHDR_GET(uh, struct udphdr *, m, off, sizeof(struct udphdr)); |
IP6_EXTHDR_GET(uh, struct udphdr *, m, off, sizeof(struct udphdr)); |
if (uh == NULL) { |
if (uh == NULL) { |
ip6stat.ip6s_tooshort++; |
IP6_STATINC(IP6_STAT_TOOSHORT); |
return IPPROTO_DONE; |
return IPPROTO_DONE; |
} |
} |
KASSERT(UDP_HDR_ALIGNED_P(uh)); |
KASSERT(UDP_HDR_ALIGNED_P(uh)); |
Line 537 udp6_input(struct mbuf **mp, int *offp, |
|
Line 550 udp6_input(struct mbuf **mp, int *offp, |
|
ulen = plen; |
ulen = plen; |
|
|
if (plen != ulen) { |
if (plen != ulen) { |
udp6stat.udp6s_badlen++; |
UDP6_STATINC(UDP6_STAT_BADLEN); |
goto bad; |
goto bad; |
} |
} |
|
|
Line 575 udp6_input(struct mbuf **mp, int *offp, |
|
Line 588 udp6_input(struct mbuf **mp, int *offp, |
|
|
|
if (udp6_realinput(AF_INET6, &src, &dst, m, off) == 0) { |
if (udp6_realinput(AF_INET6, &src, &dst, m, off) == 0) { |
if (m->m_flags & M_MCAST) { |
if (m->m_flags & M_MCAST) { |
udp6stat.udp6s_noportmcast++; |
UDP6_STATINC(UDP6_STAT_NOPORTMCAST); |
goto bad; |
goto bad; |
} |
} |
udp6stat.udp6s_noport++; |
UDP6_STATINC(UDP6_STAT_NOPORT); |
icmp6_error(m, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT, 0); |
icmp6_error(m, ICMP6_DST_UNREACH, ICMP6_DST_UNREACH_NOPORT, 0); |
m = NULL; |
m = NULL; |
} |
} |
Line 616 udp4_sendup(struct mbuf *m, int off /* o |
|
Line 629 udp4_sendup(struct mbuf *m, int off /* o |
|
#if defined(IPSEC) || defined(FAST_IPSEC) |
#if defined(IPSEC) || defined(FAST_IPSEC) |
/* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
if (so != NULL && ipsec4_in_reject_so(m, so)) { |
if (so != NULL && ipsec4_in_reject_so(m, so)) { |
ipsecstat.in_polvio++; |
IPSEC_STATINC(IPSEC_STAT_IN_POLVIO); |
if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) |
if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) |
icmp_error(n, ICMP_UNREACH, ICMP_UNREACH_ADMIN_PROHIBIT, |
icmp_error(n, ICMP_UNREACH, ICMP_UNREACH_ADMIN_PROHIBIT, |
0, 0); |
0, 0); |
Line 638 udp4_sendup(struct mbuf *m, int off /* o |
|
Line 651 udp4_sendup(struct mbuf *m, int off /* o |
|
if (opts) |
if (opts) |
m_freem(opts); |
m_freem(opts); |
so->so_rcv.sb_overflowed++; |
so->so_rcv.sb_overflowed++; |
udpstat.udps_fullsock++; |
UDP_STATINC(UDP_STAT_FULLSOCK); |
} else |
} else |
sorwakeup(so); |
sorwakeup(so); |
} |
} |
Line 663 udp6_sendup(struct mbuf *m, int off /* o |
|
Line 676 udp6_sendup(struct mbuf *m, int off /* o |
|
#if defined(IPSEC) || defined(FAST_IPSEC) |
#if defined(IPSEC) || defined(FAST_IPSEC) |
/* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
if (so != NULL && ipsec6_in_reject_so(m, so)) { |
if (so != NULL && ipsec6_in_reject_so(m, so)) { |
ipsec6stat.in_polvio++; |
IPSEC6_STATINC(IPSEC_STAT_IN_POLVIO); |
if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) |
if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) |
icmp6_error(n, ICMP6_DST_UNREACH, |
icmp6_error(n, ICMP6_DST_UNREACH, |
ICMP6_DST_UNREACH_ADMIN, 0); |
ICMP6_DST_UNREACH_ADMIN, 0); |
Line 684 udp6_sendup(struct mbuf *m, int off /* o |
|
Line 697 udp6_sendup(struct mbuf *m, int off /* o |
|
if (opts) |
if (opts) |
m_freem(opts); |
m_freem(opts); |
so->so_rcv.sb_overflowed++; |
so->so_rcv.sb_overflowed++; |
udp6stat.udp6s_fullsock++; |
UDP6_STATINC(UDP6_STAT_FULLSOCK); |
} else |
} else |
sorwakeup(so); |
sorwakeup(so); |
} |
} |
Line 778 udp4_realinput(struct sockaddr_in *src, |
|
Line 791 udp4_realinput(struct sockaddr_in *src, |
|
*/ |
*/ |
inp = in_pcblookup_connect(&udbtable, *src4, *sport, *dst4, *dport); |
inp = in_pcblookup_connect(&udbtable, *src4, *sport, *dst4, *dport); |
if (inp == 0) { |
if (inp == 0) { |
++udpstat.udps_pcbhashmiss; |
UDP_STATINC(UDP_STAT_PCBHASHMISS); |
inp = in_pcblookup_bind(&udbtable, *dst4, *dport); |
inp = in_pcblookup_bind(&udbtable, *dst4, *dport); |
if (inp == 0) |
if (inp == 0) |
return rcvcnt; |
return rcvcnt; |
Line 926 udp6_realinput(int af, struct sockaddr_i |
|
Line 939 udp6_realinput(int af, struct sockaddr_i |
|
in6p = in6_pcblookup_connect(&udbtable, &src6, sport, dst6, |
in6p = in6_pcblookup_connect(&udbtable, &src6, sport, dst6, |
dport, 0); |
dport, 0); |
if (in6p == 0) { |
if (in6p == 0) { |
++udpstat.udps_pcbhashmiss; |
UDP_STATINC(UDP_STAT_PCBHASHMISS); |
in6p = in6_pcblookup_bind(&udbtable, dst6, dport, 0); |
in6p = in6_pcblookup_bind(&udbtable, dst6, dport, 0); |
if (in6p == 0) |
if (in6p == 0) |
return rcvcnt; |
return rcvcnt; |
Line 1029 udp_ctloutput(int op, struct socket *so, |
|
Line 1042 udp_ctloutput(int op, struct socket *so, |
|
|
|
switch (optname) { |
switch (optname) { |
case UDP_ENCAP: |
case UDP_ENCAP: |
if (m == NULL || m->m_len < sizeof (int)) { |
if (m == NULL || m->m_len != sizeof(int)) { |
error = EINVAL; |
error = EINVAL; |
break; |
break; |
} |
} |
Line 1142 udp_output(struct mbuf *m, ...) |
|
Line 1155 udp_output(struct mbuf *m, ...) |
|
((struct ip *)ui)->ip_len = htons(sizeof (struct udpiphdr) + len); |
((struct ip *)ui)->ip_len = htons(sizeof (struct udpiphdr) + len); |
((struct ip *)ui)->ip_ttl = inp->inp_ip.ip_ttl; /* XXX */ |
((struct ip *)ui)->ip_ttl = inp->inp_ip.ip_ttl; /* XXX */ |
((struct ip *)ui)->ip_tos = inp->inp_ip.ip_tos; /* XXX */ |
((struct ip *)ui)->ip_tos = inp->inp_ip.ip_tos; /* XXX */ |
udpstat.udps_opackets++; |
UDP_STATINC(UDP_STAT_OPACKETS); |
|
|
return (ip_output(m, inp->inp_options, ro, |
return (ip_output(m, inp->inp_options, ro, |
inp->inp_socket->so_options & (SO_DONTROUTE | SO_BROADCAST), |
inp->inp_socket->so_options & (SO_DONTROUTE | SO_BROADCAST), |
Line 1173 udp_usrreq(struct socket *so, int req, s |
|
Line 1186 udp_usrreq(struct socket *so, int req, s |
|
s = splsoftnet(); |
s = splsoftnet(); |
|
|
if (req == PRU_PURGEIF) { |
if (req == PRU_PURGEIF) { |
|
mutex_enter(softnet_lock); |
in_pcbpurgeif0(&udbtable, (struct ifnet *)control); |
in_pcbpurgeif0(&udbtable, (struct ifnet *)control); |
in_purgeif((struct ifnet *)control); |
in_purgeif((struct ifnet *)control); |
in_pcbpurgeif(&udbtable, (struct ifnet *)control); |
in_pcbpurgeif(&udbtable, (struct ifnet *)control); |
|
mutex_exit(softnet_lock); |
splx(s); |
splx(s); |
return (0); |
return (0); |
} |
} |
Line 1185 udp_usrreq(struct socket *so, int req, s |
|
Line 1200 udp_usrreq(struct socket *so, int req, s |
|
if (req != PRU_SEND && req != PRU_SENDOOB && control) |
if (req != PRU_SEND && req != PRU_SENDOOB && control) |
panic("udp_usrreq: unexpected control mbuf"); |
panic("udp_usrreq: unexpected control mbuf"); |
#endif |
#endif |
if (inp == 0 && req != PRU_ATTACH) { |
if (req == PRU_ATTACH) { |
|
sosetlock(so); |
|
} else if (inp == 0) { |
error = EINVAL; |
error = EINVAL; |
goto release; |
goto release; |
} |
} |
|
|
return (error); |
return (error); |
} |
} |
|
|
|
static int |
|
sysctl_net_inet_udp_stats(SYSCTLFN_ARGS) |
|
{ |
|
|
|
return (NETSTAT_SYSCTL(udpstat_percpu, UDP_NSTATS)); |
|
} |
|
|
/* |
/* |
* Sysctl for udp variables. |
* Sysctl for udp variables. |
*/ |
*/ |
Line 1391 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
Line 1415 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
|
CTLFLAG_PERMANENT, |
CTLFLAG_PERMANENT, |
CTLTYPE_STRUCT, "stats", |
CTLTYPE_STRUCT, "stats", |
SYSCTL_DESCR("UDP statistics"), |
SYSCTL_DESCR("UDP statistics"), |
NULL, 0, &udpstat, sizeof(udpstat), |
sysctl_net_inet_udp_stats, 0, NULL, 0, |
CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_STATS, |
CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_STATS, |
CTL_EOL); |
CTL_EOL); |
} |
} |
#endif |
#endif |
|
|
|
void |
|
udp_statinc(u_int stat) |
|
{ |
|
|
|
KASSERT(stat < UDP_NSTATS); |
|
UDP_STATINC(stat); |
|
} |
|
|
#if (defined INET && defined IPSEC_NAT_T) |
#if (defined INET && defined IPSEC_NAT_T) |
/* |
/* |
* Returns: |
* Returns: |