version 1.160.8.1, 2007/11/06 23:33:54 |
version 1.167, 2008/04/15 03:57:04 |
Line 94 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 94 __KERNEL_RCSID(0, "$NetBSD$"); |
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#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> |
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#include <netinet/udp_private.h> |
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#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> |
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#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/scope6_var.h> |
#include <netinet6/scope6_var.h> |
Line 143 int udpcksum = 1; |
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Line 145 int udpcksum = 1; |
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int udp_do_loopback_cksum = 0; |
int udp_do_loopback_cksum = 0; |
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struct inpcbtable udbtable; |
struct inpcbtable udbtable; |
struct udpstat udpstat; |
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percpu_t *udpstat_percpu; |
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#ifdef INET |
#ifdef INET |
#ifdef IPSEC_NAT_T |
#ifdef IPSEC_NAT_T |
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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); |
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udpstat_percpu = percpu_alloc(sizeof(uint64_t) * UDP_NSTATS); |
} |
} |
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/* |
/* |
Line 324 udp4_input_checksum(struct mbuf *m, cons |
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Line 329 udp4_input_checksum(struct mbuf *m, cons |
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return 0; |
return 0; |
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badcsum: |
badcsum: |
udpstat.udps_badsum++; |
UDP_STATINC(UDP_STAT_BADSUM); |
return -1; |
return -1; |
} |
} |
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Line 346 udp_input(struct mbuf *m, ...) |
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Line 351 udp_input(struct mbuf *m, ...) |
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va_end(ap); |
va_end(ap); |
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MCLAIM(m, &udp_rx_mowner); |
MCLAIM(m, &udp_rx_mowner); |
udpstat.udps_ipackets++; |
UDP_STATINC(UDP_STAT_IPACKETS); |
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/* |
/* |
* 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, ...) |
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Line 359 udp_input(struct mbuf *m, ...) |
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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, ...) |
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Line 376 udp_input(struct mbuf *m, ...) |
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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, ...) |
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Line 393 udp_input(struct mbuf *m, ...) |
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sockaddr_in_init(&dst, &ip->ip_dst, uh->uh_dport); |
sockaddr_in_init(&dst, &ip->ip_dst, uh->uh_dport); |
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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, ...) |
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Line 421 udp_input(struct mbuf *m, ...) |
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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 524 udp6_input(struct mbuf **mp, int *offp, |
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Line 529 udp6_input(struct mbuf **mp, int *offp, |
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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 638 udp4_sendup(struct mbuf *m, int off /* o |
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Line 643 udp4_sendup(struct mbuf *m, int off /* o |
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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 778 udp4_realinput(struct sockaddr_in *src, |
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Line 783 udp4_realinput(struct sockaddr_in *src, |
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*/ |
*/ |
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 |
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Line 931 udp6_realinput(int af, struct sockaddr_i |
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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, |
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Line 1034 udp_ctloutput(int op, struct socket *so, |
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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, ...) |
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Line 1147 udp_output(struct mbuf *m, ...) |
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((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); |
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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), |
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return (error); |
return (error); |
} |
} |
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static void |
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udpstat_convert_to_user_cb(void *v1, void *v2, struct cpu_info *ci) |
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{ |
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uint64_t *udpsc = v1; |
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uint64_t *udps = v2; |
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u_int i; |
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for (i = 0; i < UDP_NSTATS; i++) |
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udps[i] += udpsc[i]; |
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} |
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static void |
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udpstat_convert_to_user(uint64_t *udps) |
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{ |
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memset(udps, 0, sizeof(uint64_t) * UDP_NSTATS); |
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percpu_foreach(udpstat_percpu, udpstat_convert_to_user_cb, udps); |
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} |
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static int |
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sysctl_net_inet_udp_stats(SYSCTLFN_ARGS) |
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{ |
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struct sysctlnode node; |
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uint64_t udps[UDP_NSTATS]; |
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udpstat_convert_to_user(udps); |
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node = *rnode; |
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node.sysctl_data = udps; |
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node.sysctl_size = sizeof(udps); |
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return (sysctl_lookup(SYSCTLFN_CALL(&node))); |
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} |
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/* |
/* |
* Sysctl for udp variables. |
* Sysctl for udp variables. |
*/ |
*/ |
Line 1391 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
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Line 1428 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
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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 |
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void |
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udp_statinc(u_int stat) |
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{ |
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KASSERT(stat < UDP_NSTATS); |
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UDP_STATINC(stat); |
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} |
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#if (defined INET && defined IPSEC_NAT_T) |
#if (defined INET && defined IPSEC_NAT_T) |
/* |
/* |
* Returns: |
* Returns: |