diff options
| author | John Baldwin <jhb@FreeBSD.org> | 2020-06-25 23:57:30 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2020-06-25 23:57:30 +0000 |
| commit | f82eb2a6f04c2a4193378f932fe8ab9b84fbb67d (patch) | |
| tree | b39807c00b315d3052be7b95f7912f9556a7c69b /sys/netipsec/ipsec_input.c | |
| parent | 9b934d43602f5538bac58b32853359f9a178765e (diff) | |
Notes
Diffstat (limited to 'sys/netipsec/ipsec_input.c')
| -rw-r--r-- | sys/netipsec/ipsec_input.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/sys/netipsec/ipsec_input.c b/sys/netipsec/ipsec_input.c index 9814495f7d6f..7f9317bee8b6 100644 --- a/sys/netipsec/ipsec_input.c +++ b/sys/netipsec/ipsec_input.c @@ -278,6 +278,7 @@ ipsec4_common_input_cb(struct mbuf *m, struct secasvar *sav, int skip, int protoff) { IPSEC_DEBUG_DECLARE(char buf[IPSEC_ADDRSTRLEN]); + struct epoch_tracker et; struct ipsec_ctx_data ctx; struct xform_history *xh; struct secasindex *saidx; @@ -424,7 +425,9 @@ ipsec4_common_input_cb(struct mbuf *m, struct secasvar *sav, int skip, if (saidx->mode == IPSEC_MODE_TUNNEL) error = ipsec_if_input(m, sav, af); if (error == 0) { + NET_EPOCH_ENTER(et); error = netisr_queue_src(isr_prot, (uintptr_t)sav->spi, m); + NET_EPOCH_EXIT(et); if (error) { IPSEC_ISTAT(sproto, qfull); DPRINTF(("%s: queue full; proto %u packet dropped\n", @@ -489,6 +492,7 @@ ipsec6_common_input_cb(struct mbuf *m, struct secasvar *sav, int skip, int protoff) { IPSEC_DEBUG_DECLARE(char buf[IPSEC_ADDRSTRLEN]); + struct epoch_tracker et; struct ipsec_ctx_data ctx; struct xform_history *xh; struct secasindex *saidx; @@ -621,8 +625,10 @@ ipsec6_common_input_cb(struct mbuf *m, struct secasvar *sav, int skip, if (saidx->mode == IPSEC_MODE_TUNNEL) error = ipsec_if_input(m, sav, af); if (error == 0) { + NET_EPOCH_ENTER(et); error = netisr_queue_src(isr_prot, (uintptr_t)sav->spi, m); + NET_EPOCH_EXIT(et); if (error) { IPSEC_ISTAT(sproto, qfull); DPRINTF(("%s: queue full; proto %u packet" @@ -638,11 +644,12 @@ ipsec6_common_input_cb(struct mbuf *m, struct secasvar *sav, int skip, */ nest = 0; nxt = nxt8; + NET_EPOCH_ENTER(et); while (nxt != IPPROTO_DONE) { if (V_ip6_hdrnestlimit && (++nest > V_ip6_hdrnestlimit)) { IP6STAT_INC(ip6s_toomanyhdr); error = EINVAL; - goto bad; + goto bad_epoch; } /* @@ -653,7 +660,7 @@ ipsec6_common_input_cb(struct mbuf *m, struct secasvar *sav, int skip, IP6STAT_INC(ip6s_tooshort); in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated); error = EINVAL; - goto bad; + goto bad_epoch; } /* * Enforce IPsec policy checking if we are seeing last header. @@ -663,12 +670,15 @@ ipsec6_common_input_cb(struct mbuf *m, struct secasvar *sav, int skip, if ((inet6sw[ip6_protox[nxt]].pr_flags & PR_LASTHDR) != 0 && ipsec6_in_reject(m, NULL)) { error = EINVAL; - goto bad; + goto bad_epoch; } nxt = (*inet6sw[ip6_protox[nxt]].pr_input)(&m, &skip, nxt); } + NET_EPOCH_EXIT(et); key_freesav(&sav); return (0); +bad_epoch: + NET_EPOCH_EXIT(et); bad: key_freesav(&sav); if (m) |