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sys/netipsec/ipsec_output.c
| Show First 20 Lines • Show All 317 Lines • ▼ Show 20 Lines | ipsec4_common_output(struct mbuf *m, struct inpcb *inp, int forwarding) | ||||
| * return back to us. | * return back to us. | ||||
| */ | */ | ||||
| if (!forwarding) { | if (!forwarding) { | ||||
| /* | /* | ||||
| * Do delayed checksums now because we send before | * Do delayed checksums now because we send before | ||||
| * this is done in the normal processing path. | * this is done in the normal processing path. | ||||
| */ | */ | ||||
| if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA) { | if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA) { | ||||
| m = mb_unmapped_to_ext(m); | |||||
| if (m == NULL) { | |||||
| IPSECSTAT_INC(ips_out_nomem); | |||||
| key_freesp(&sp); | |||||
| return (ENOBUFS); | |||||
| } | |||||
| in_delayed_cksum(m); | in_delayed_cksum(m); | ||||
| m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA; | m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA; | ||||
| } | } | ||||
| #if defined(SCTP) || defined(SCTP_SUPPORT) | #if defined(SCTP) || defined(SCTP_SUPPORT) | ||||
| if (m->m_pkthdr.csum_flags & CSUM_SCTP) { | if (m->m_pkthdr.csum_flags & CSUM_SCTP) { | ||||
| struct ip *ip = mtod(m, struct ip *); | struct ip *ip; | ||||
| m = mb_unmapped_to_ext(m); | |||||
| if (m == NULL) { | |||||
| IPSECSTAT_INC(ips_out_nomem); | |||||
| key_freesp(&sp); | |||||
| return (ENOBUFS); | |||||
| } | |||||
| ip = mtod(m, struct ip *); | |||||
| sctp_delayed_cksum(m, (uint32_t)(ip->ip_hl << 2)); | sctp_delayed_cksum(m, (uint32_t)(ip->ip_hl << 2)); | ||||
| m->m_pkthdr.csum_flags &= ~CSUM_SCTP; | m->m_pkthdr.csum_flags &= ~CSUM_SCTP; | ||||
| } | } | ||||
| #endif | #endif | ||||
| } | } | ||||
| /* NB: callee frees mbuf and releases reference to SP */ | /* NB: callee frees mbuf and releases reference to SP */ | ||||
| error = ipsec4_process_packet(m, sp, inp); | error = ipsec4_process_packet(m, sp, inp); | ||||
| if (error == EJUSTRETURN) { | if (error == EJUSTRETURN) { | ||||
| ▲ Show 20 Lines • Show All 271 Lines • ▼ Show 20 Lines | ipsec6_common_output(struct mbuf *m, struct inpcb *inp, int forwarding) | ||||
| } | } | ||||
| if (!forwarding) { | if (!forwarding) { | ||||
| /* | /* | ||||
| * Do delayed checksums now because we send before | * Do delayed checksums now because we send before | ||||
| * this is done in the normal processing path. | * this is done in the normal processing path. | ||||
| */ | */ | ||||
| if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA_IPV6) { | if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA_IPV6) { | ||||
| m = mb_unmapped_to_ext(m); | |||||
| if (m == NULL) { | |||||
| IPSEC6STAT_INC(ips_out_nomem); | |||||
| key_freesp(&sp); | |||||
| return (ENOBUFS); | |||||
| } | |||||
| in6_delayed_cksum(m, m->m_pkthdr.len - | in6_delayed_cksum(m, m->m_pkthdr.len - | ||||
| sizeof(struct ip6_hdr), sizeof(struct ip6_hdr)); | sizeof(struct ip6_hdr), sizeof(struct ip6_hdr)); | ||||
| m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA_IPV6; | m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA_IPV6; | ||||
| } | } | ||||
| #if defined(SCTP) || defined(SCTP_SUPPORT) | #if defined(SCTP) || defined(SCTP_SUPPORT) | ||||
| if (m->m_pkthdr.csum_flags & CSUM_SCTP_IPV6) { | if (m->m_pkthdr.csum_flags & CSUM_SCTP_IPV6) { | ||||
| m = mb_unmapped_to_ext(m); | |||||
| if (m == NULL) { | |||||
| IPSEC6STAT_INC(ips_out_nomem); | |||||
| key_freesp(&sp); | |||||
| return (ENOBUFS); | |||||
| } | |||||
| sctp_delayed_cksum(m, sizeof(struct ip6_hdr)); | sctp_delayed_cksum(m, sizeof(struct ip6_hdr)); | ||||
| m->m_pkthdr.csum_flags &= ~CSUM_SCTP_IPV6; | m->m_pkthdr.csum_flags &= ~CSUM_SCTP_IPV6; | ||||
| } | } | ||||
| #endif | #endif | ||||
| } | } | ||||
| /* NB: callee frees mbuf and releases reference to SP */ | /* NB: callee frees mbuf and releases reference to SP */ | ||||
| error = ipsec6_process_packet(m, sp, inp); | error = ipsec6_process_packet(m, sp, inp); | ||||
| if (error == EJUSTRETURN) { | if (error == EJUSTRETURN) { | ||||
| ▲ Show 20 Lines • Show All 334 Lines • Show Last 20 Lines | |||||