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| author | Tobias Brunner <tobias@strongswan.org> | 2016-11-30 10:46:21 +0100 |
|---|---|---|
| committer | Tobias Brunner <tobias@strongswan.org> | 2017-05-23 16:58:06 +0200 |
| commit | 48ea65501668bbae49a0ab48001ee15fe95b657e (patch) | |
| tree | ed9ce9dd7faab3e99ed2ea7a00dac14c2594f21f /src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c | |
| parent | 0b5dfaeb5c334c87fc5b27b1da0d8a1a384fac71 (diff) | |
| download | strongswan-48ea65501668bbae49a0ab48001ee15fe95b657e.tar.bz2 strongswan-48ea65501668bbae49a0ab48001ee15fe95b657e.tar.xz | |
kernel-netlink: Update hardware offload attribute when SAs are updated
Diffstat (limited to 'src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c')
| -rw-r--r-- | src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c | 48 |
1 files changed, 37 insertions, 11 deletions
diff --git a/src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c b/src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c index df7fc345a..9a40927d2 100644 --- a/src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c +++ b/src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c @@ -1950,7 +1950,7 @@ METHOD(kernel_ipsec_t, update_sa, status_t, size_t len; struct rtattr *rta; size_t rtasize; - struct xfrm_encap_tmpl* tmpl = NULL; + struct xfrm_encap_tmpl* encap = NULL; struct xfrm_replay_state *replay = NULL; struct xfrm_replay_state_esn *replay_esn = NULL; struct xfrm_lifetime_cur *lifetime = NULL; @@ -2075,9 +2075,34 @@ METHOD(kernel_ipsec_t, update_sa, status_t, { if (rta->rta_type == XFRMA_ENCAP) { /* update encap tmpl */ - tmpl = RTA_DATA(rta); - tmpl->encap_sport = ntohs(data->new_src->get_port(data->new_src)); - tmpl->encap_dport = ntohs(data->new_dst->get_port(data->new_dst)); + encap = RTA_DATA(rta); + encap->encap_sport = ntohs(data->new_src->get_port(data->new_src)); + encap->encap_dport = ntohs(data->new_dst->get_port(data->new_dst)); + } + if (rta->rta_type == XFRMA_OFFLOAD_DEV) + { /* update offload device */ + struct xfrm_user_offload *offload; + host_t *local; + char *ifname; + + offload = RTA_DATA(rta); + local = offload->flags & XFRM_OFFLOAD_INBOUND ? data->new_dst + : data->new_src; + + if (charon->kernel->get_interface(charon->kernel, local, + &ifname)) + { + offload->ifindex = if_nametoindex(ifname); + if (local->get_family(local) == AF_INET6) + { + offload->flags |= XFRM_OFFLOAD_IPV6; + } + else + { + offload->flags &= ~XFRM_OFFLOAD_IPV6; + } + free(ifname); + } } netlink_add_attribute(hdr, rta->rta_type, chunk_create(RTA_DATA(rta), RTA_PAYLOAD(rta)), @@ -2086,17 +2111,18 @@ METHOD(kernel_ipsec_t, update_sa, status_t, rta = RTA_NEXT(rta, rtasize); } - if (tmpl == NULL && data->new_encap) + if (encap == NULL && data->new_encap) { /* add tmpl if we are enabling it */ - tmpl = netlink_reserve(hdr, sizeof(request), XFRMA_ENCAP, sizeof(*tmpl)); - if (!tmpl) + encap = netlink_reserve(hdr, sizeof(request), XFRMA_ENCAP, + sizeof(*encap)); + if (!encap) { goto failed; } - tmpl->encap_type = UDP_ENCAP_ESPINUDP; - tmpl->encap_sport = ntohs(data->new_src->get_port(data->new_src)); - tmpl->encap_dport = ntohs(data->new_dst->get_port(data->new_dst)); - memset(&tmpl->encap_oa, 0, sizeof (xfrm_address_t)); + encap->encap_type = UDP_ENCAP_ESPINUDP; + encap->encap_sport = ntohs(data->new_src->get_port(data->new_src)); + encap->encap_dport = ntohs(data->new_dst->get_port(data->new_dst)); + memset(&encap->encap_oa, 0, sizeof (xfrm_address_t)); } if (replay_esn) |