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sys/netinet6/udp6_usrreq.c
| Context not available. | |||||
| { | { | ||||
| struct socket *so; | struct socket *so; | ||||
| struct mbuf *opts; | struct mbuf *opts; | ||||
| struct udpcb *up; | |||||
| INP_LOCK_ASSERT(inp); | INP_LOCK_ASSERT(inp); | ||||
| /* | |||||
| * Engage the tunneling protocol. | |||||
| */ | |||||
| up = intoudpcb(inp); | |||||
| if (up->u_tun_func != NULL) { | |||||
| (*up->u_tun_func)(n, off, inp, (struct sockaddr *) fromsa, | |||||
| up->u_tun_func_ctx); | |||||
| return; | |||||
| } | |||||
| #ifdef IPSEC | #ifdef IPSEC | ||||
| /* Check AH/ESP integrity. */ | /* Check AH/ESP integrity. */ | ||||
| if (ipsec6_in_reject(n, inp)) { | if (ipsec6_in_reject(n, inp)) { | ||||
| Context not available. | |||||
| if ((n = m_copy(m, 0, M_COPYALL)) != NULL) { | if ((n = m_copy(m, 0, M_COPYALL)) != NULL) { | ||||
| INP_RLOCK(last); | INP_RLOCK(last); | ||||
| up = intoudpcb(last); | udp6_append(last, n, off, &fromsa); | ||||
| if (up->u_tun_func == NULL) { | |||||
| udp6_append(last, n, off, &fromsa); | |||||
| } else { | |||||
| /* | |||||
| * Engage the tunneling | |||||
| * protocol we will have to | |||||
| * leave the info_lock up, | |||||
| * since we are hunting | |||||
| * through multiple UDP's. | |||||
| * | |||||
| */ | |||||
| (*up->u_tun_func)(n, off, last); | |||||
| } | |||||
| INP_RUNLOCK(last); | INP_RUNLOCK(last); | ||||
| } | } | ||||
| } | } | ||||
| Context not available. | |||||
| INP_INFO_RUNLOCK(pcbinfo); | INP_INFO_RUNLOCK(pcbinfo); | ||||
| up = intoudpcb(last); | up = intoudpcb(last); | ||||
| UDP_PROBE(receive, NULL, last, ip6, last, uh); | UDP_PROBE(receive, NULL, last, ip6, last, uh); | ||||
| if (up->u_tun_func == NULL) { | udp6_append(last, m, off, &fromsa); | ||||
| udp6_append(last, m, off, &fromsa); | |||||
| } else { | |||||
| /* | |||||
| * Engage the tunneling protocol. | |||||
| */ | |||||
| (*up->u_tun_func)(m, off, last); | |||||
| } | |||||
| INP_RUNLOCK(last); | INP_RUNLOCK(last); | ||||
| return (IPPROTO_DONE); | return (IPPROTO_DONE); | ||||
| } | } | ||||
| Context not available. | |||||
| } | } | ||||
| } | } | ||||
| UDP_PROBE(receive, NULL, inp, ip6, inp, uh); | UDP_PROBE(receive, NULL, inp, ip6, inp, uh); | ||||
| if (up->u_tun_func == NULL) { | udp6_append(inp, m, off, &fromsa); | ||||
| udp6_append(inp, m, off, &fromsa); | |||||
| } else { | |||||
| /* | |||||
| * Engage the tunneling protocol. | |||||
| */ | |||||
| (*up->u_tun_func)(m, off, inp); | |||||
| } | |||||
| INP_RUNLOCK(inp); | INP_RUNLOCK(inp); | ||||
| return (IPPROTO_DONE); | return (IPPROTO_DONE); | ||||
| Context not available. | |||||