version 1.103.2.11, 2005/12/11 10:29:25 |
version 1.139, 2005/08/05 09:21:26 |
Line 146 int udpcksum = 1; |
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Line 146 int udpcksum = 1; |
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#else |
#else |
int udpcksum = 0; /* XXX */ |
int udpcksum = 0; /* XXX */ |
#endif |
#endif |
int udp_do_loopback_cksum = 0; |
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struct inpcbtable udbtable; |
struct inpcbtable udbtable; |
struct udpstat udpstat; |
struct udpstat udpstat; |
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#ifdef INET |
#ifdef INET |
#ifdef IPSEC_NAT_T |
#ifdef IPSEC_NAT_T |
static int udp4_espinudp (struct mbuf **, int, struct sockaddr *, |
static int udp4_espinudp (struct mbuf *, int, struct sockaddr *, |
struct socket *); |
struct socket *); |
#endif |
#endif |
static void udp4_sendup (struct mbuf *, int, struct sockaddr *, |
static void udp4_sendup (struct mbuf *, int, struct sockaddr *, |
struct socket *); |
struct socket *); |
static int udp4_realinput (struct sockaddr_in *, struct sockaddr_in *, |
static int udp4_realinput (struct sockaddr_in *, struct sockaddr_in *, |
struct mbuf **, int); |
struct mbuf *, int); |
static int udp4_input_checksum(struct mbuf *, const struct udphdr *, int, int); |
static int udp4_input_checksum(struct mbuf *, const struct udphdr *, int, int); |
#endif |
#endif |
#ifdef INET6 |
#ifdef INET6 |
Line 187 struct mowner udp_tx_mowner = { "udp", " |
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Line 186 struct mowner udp_tx_mowner = { "udp", " |
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#ifdef UDP_CSUM_COUNTERS |
#ifdef UDP_CSUM_COUNTERS |
#include <sys/device.h> |
#include <sys/device.h> |
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#if defined(INET) |
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struct evcnt udp_hwcsum_bad = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
struct evcnt udp_hwcsum_bad = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
NULL, "udp", "hwcsum bad"); |
NULL, "udp", "hwcsum bad"); |
struct evcnt udp_hwcsum_ok = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
struct evcnt udp_hwcsum_ok = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
Line 197 struct evcnt udp_hwcsum_data = EVCNT_INI |
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Line 195 struct evcnt udp_hwcsum_data = EVCNT_INI |
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struct evcnt udp_swcsum = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
struct evcnt udp_swcsum = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
NULL, "udp", "swcsum"); |
NULL, "udp", "swcsum"); |
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#define UDP_CSUM_COUNTER_INCR(ev) (ev)->ev_count++ |
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EVCNT_ATTACH_STATIC(udp_hwcsum_bad); |
EVCNT_ATTACH_STATIC(udp_hwcsum_bad); |
EVCNT_ATTACH_STATIC(udp_hwcsum_ok); |
EVCNT_ATTACH_STATIC(udp_hwcsum_ok); |
EVCNT_ATTACH_STATIC(udp_hwcsum_data); |
EVCNT_ATTACH_STATIC(udp_hwcsum_data); |
EVCNT_ATTACH_STATIC(udp_swcsum); |
EVCNT_ATTACH_STATIC(udp_swcsum); |
#endif /* defined(INET) */ |
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#if defined(INET6) |
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struct evcnt udp6_hwcsum_bad = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
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NULL, "udp6", "hwcsum bad"); |
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struct evcnt udp6_hwcsum_ok = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
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NULL, "udp6", "hwcsum ok"); |
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struct evcnt udp6_hwcsum_data = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
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NULL, "udp6", "hwcsum data"); |
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struct evcnt udp6_swcsum = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
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NULL, "udp6", "swcsum"); |
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EVCNT_ATTACH_STATIC(udp6_hwcsum_bad); |
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EVCNT_ATTACH_STATIC(udp6_hwcsum_ok); |
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EVCNT_ATTACH_STATIC(udp6_hwcsum_data); |
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EVCNT_ATTACH_STATIC(udp6_swcsum); |
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#endif /* defined(INET6) */ |
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#define UDP_CSUM_COUNTER_INCR(ev) (ev)->ev_count++ |
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#else |
#else |
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Line 401 udp_input(struct mbuf *m, ...) |
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Line 382 udp_input(struct mbuf *m, ...) |
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bcopy(&ip->ip_dst, &dst.sin_addr, sizeof(dst.sin_addr)); |
bcopy(&ip->ip_dst, &dst.sin_addr, sizeof(dst.sin_addr)); |
dst.sin_port = uh->uh_dport; |
dst.sin_port = uh->uh_dport; |
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if ((n = udp4_realinput(&src, &dst, &m, iphlen)) == -1) { |
n = udp4_realinput(&src, &dst, m, iphlen); |
udpstat.udps_hdrops++; |
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return; |
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} |
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#ifdef INET6 |
#ifdef INET6 |
if (IN_MULTICAST(ip->ip_dst.s_addr) || n == 0) { |
if (IN_MULTICAST(ip->ip_dst.s_addr) || n == 0) { |
struct sockaddr_in6 src6, dst6; |
struct sockaddr_in6 src6, dst6; |
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udp6_input_checksum(struct mbuf *m, const struct udphdr *uh, int off, int len) |
udp6_input_checksum(struct mbuf *m, const struct udphdr *uh, int off, int len) |
{ |
{ |
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/* |
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* XXX it's better to record and check if this mbuf is |
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* already checked. |
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*/ |
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if (__predict_false((m->m_flags & M_LOOP) && !udp_do_loopback_cksum)) { |
if (__predict_false((m->m_flags & M_LOOP) && !udp_do_loopback_cksum)) { |
goto good; |
goto good; |
} |
} |
Line 476 udp6_input_checksum(struct mbuf *m, cons |
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Line 449 udp6_input_checksum(struct mbuf *m, cons |
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udp6stat.udp6s_nosum++; |
udp6stat.udp6s_nosum++; |
goto bad; |
goto bad; |
} |
} |
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if (in6_cksum(m, IPPROTO_UDP, off, len) != 0) { |
switch (m->m_pkthdr.csum_flags & |
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((m->m_pkthdr.rcvif->if_csum_flags_rx & M_CSUM_UDPv6) | |
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M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) { |
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case M_CSUM_UDPv6|M_CSUM_TCP_UDP_BAD: |
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UDP_CSUM_COUNTER_INCR(&udp6_hwcsum_bad); |
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udp6stat.udp6s_badsum++; |
udp6stat.udp6s_badsum++; |
goto bad; |
goto bad; |
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#if 0 /* notyet */ |
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case M_CSUM_UDPv6|M_CSUM_DATA: |
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#endif |
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case M_CSUM_UDPv6: |
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/* Checksum was okay. */ |
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UDP_CSUM_COUNTER_INCR(&udp6_hwcsum_ok); |
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break; |
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default: |
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/* |
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* Need to compute it ourselves. Maybe skip checksum |
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* on loopback interfaces. |
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*/ |
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UDP_CSUM_COUNTER_INCR(&udp6_swcsum); |
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if (in6_cksum(m, IPPROTO_UDP, off, len) != 0) { |
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udp6stat.udp6s_badsum++; |
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goto bad; |
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} |
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} |
} |
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good: |
good: |
Line 711 udp6_sendup(struct mbuf *m, int off /* o |
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Line 659 udp6_sendup(struct mbuf *m, int off /* o |
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#ifdef INET |
#ifdef INET |
static int |
static int |
udp4_realinput(struct sockaddr_in *src, struct sockaddr_in *dst, |
udp4_realinput(struct sockaddr_in *src, struct sockaddr_in *dst, |
struct mbuf **mp, int off /* offset of udphdr */) |
struct mbuf *m, int off /* offset of udphdr */) |
{ |
{ |
u_int16_t *sport, *dport; |
u_int16_t *sport, *dport; |
int rcvcnt; |
int rcvcnt; |
struct in_addr *src4, *dst4; |
struct in_addr *src4, *dst4; |
struct inpcb_hdr *inph; |
struct inpcb_hdr *inph; |
struct inpcb *inp; |
struct inpcb *inp; |
struct mbuf *m = *mp; |
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rcvcnt = 0; |
rcvcnt = 0; |
off += sizeof(struct udphdr); /* now, offset of payload */ |
off += sizeof(struct udphdr); /* now, offset of payload */ |
Line 806 udp4_realinput(struct sockaddr_in *src, |
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Line 753 udp4_realinput(struct sockaddr_in *src, |
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if (inp->inp_flags & INP_ESPINUDP_ALL) { |
if (inp->inp_flags & INP_ESPINUDP_ALL) { |
struct sockaddr *sa = (struct sockaddr *)src; |
struct sockaddr *sa = (struct sockaddr *)src; |
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switch(udp4_espinudp(mp, off, sa, inp->inp_socket)) { |
if (udp4_espinudp(m, off, sa, inp->inp_socket) != 0) { |
case -1: /* Error, m was freeed */ |
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rcvcnt = -1; |
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goto bad; |
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break; |
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case 1: /* ESP over UDP */ |
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rcvcnt++; |
rcvcnt++; |
goto bad; |
goto bad; |
break; |
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case 0: /* plain UDP */ |
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default: /* Unexpected */ |
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/* |
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* Normal UDP processing will take place |
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* m may have changed. |
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*/ |
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m = *mp; |
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break; |
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} |
} |
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/* Normal UDP processing will take place */ |
} |
} |
#endif |
#endif |
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Line 1175 int udp_recvspace = 40 * (1024 + sizeof( |
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Line 1108 int udp_recvspace = 40 * (1024 + sizeof( |
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/*ARGSUSED*/ |
/*ARGSUSED*/ |
int |
int |
udp_usrreq(struct socket *so, int req, struct mbuf *m, struct mbuf *nam, |
udp_usrreq(struct socket *so, int req, struct mbuf *m, struct mbuf *nam, |
struct mbuf *control, struct lwp *l) |
struct mbuf *control, struct proc *p) |
{ |
{ |
struct inpcb *inp; |
struct inpcb *inp; |
struct proc *p; |
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int s; |
int s; |
int error = 0; |
int error = 0; |
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p = l ? l->l_proc : NULL; |
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if (req == PRU_CONTROL) |
if (req == PRU_CONTROL) |
return (in_control(so, (long)m, (caddr_t)nam, |
return (in_control(so, (long)m, (caddr_t)nam, |
(struct ifnet *)control, p)); |
(struct ifnet *)control, p)); |
Line 1246 udp_usrreq(struct socket *so, int req, s |
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Line 1177 udp_usrreq(struct socket *so, int req, s |
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break; |
break; |
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case PRU_CONNECT: |
case PRU_CONNECT: |
error = in_pcbconnect(inp, nam, p); |
error = in_pcbconnect(inp, nam); |
if (error) |
if (error) |
break; |
break; |
soisconnected(so); |
soisconnected(so); |
Line 1288 udp_usrreq(struct socket *so, int req, s |
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Line 1219 udp_usrreq(struct socket *so, int req, s |
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error = EISCONN; |
error = EISCONN; |
goto die; |
goto die; |
} |
} |
error = in_pcbconnect(inp, nam, p); |
error = in_pcbconnect(inp, nam); |
if (error) |
if (error) |
goto die; |
goto die; |
} else { |
} else { |
Line 1417 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
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Line 1348 SYSCTL_SETUP(sysctl_net_inet_udp_setup, |
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* Returns: |
* Returns: |
* 1 if the packet was processed |
* 1 if the packet was processed |
* 0 if normal UDP processing should take place |
* 0 if normal UDP processing should take place |
* -1 if an error occurent and m was freed |
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*/ |
*/ |
static int |
static int |
udp4_espinudp(mp, off, src, so) |
udp4_espinudp(m, off, src, so) |
struct mbuf **mp; |
struct mbuf *m; |
int off; |
int off; |
struct sockaddr *src; |
struct sockaddr *src; |
struct socket *so; |
struct socket *so; |
Line 1437 udp4_espinudp(mp, off, src, so) |
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Line 1367 udp4_espinudp(mp, off, src, so) |
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struct m_tag *tag; |
struct m_tag *tag; |
struct udphdr *udphdr; |
struct udphdr *udphdr; |
u_int16_t sport, dport; |
u_int16_t sport, dport; |
struct mbuf *m = *mp; |
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/* |
/* |
* Collapse the mbuf chain if the first mbuf is too short |
* Collapse the mbuf chain if the first mbuf is too short |
Line 1448 udp4_espinudp(mp, off, src, so) |
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Line 1377 udp4_espinudp(mp, off, src, so) |
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minlen = m->m_pkthdr.len; |
minlen = m->m_pkthdr.len; |
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if (m->m_len < minlen) { |
if (m->m_len < minlen) { |
if ((*mp = m_pullup(m, minlen)) == NULL) { |
if ((m = m_pullup(m, minlen)) == NULL) { |
printf("udp4_espinudp: m_pullup failed\n"); |
printf("udp4_espinudp: m_pullup failed\n"); |
return -1; |
return 0; |
} |
} |
m = *mp; |
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} |
} |
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len = m->m_len - off; |
len = m->m_len - off; |
Line 1479 udp4_espinudp(mp, off, src, so) |
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Line 1407 udp4_espinudp(mp, off, src, so) |
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} |
} |
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if (inp->inp_flags & INP_ESPINUDP_NON_IKE) { |
if (inp->inp_flags & INP_ESPINUDP_NON_IKE) { |
u_int32_t *st = (u_int32_t *)data; |
u_int64_t *st = (u_int64_t *)data; |
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if ((len <= sizeof(u_int64_t) + sizeof(struct esp)) |
if ((len <= sizeof(u_int64_t) + sizeof(struct esp)) |
|| ((st[0] | st[1]) != 0)) |
|| (*st != 0)) |
return 0; /* Normal UDP processing */ |
return 0; /* Normal UDP processing */ |
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skip = sizeof(struct udphdr) + sizeof(u_int64_t); |
skip = sizeof(struct udphdr) + sizeof(u_int64_t); |