diff options
| author | jasoni <jasoni@cvs.openbsd.org> | 2001-12-10 05:46:58 +0000 |
|---|---|---|
| committer | jasoni <jasoni@cvs.openbsd.org> | 2001-12-10 05:46:58 +0000 |
| commit | 17b1ac72885b865246a857a583fb7e12d8b3a0de (patch) | |
| tree | 67b5c19dd96f35969c9c9bdd4d0cc0938de4e5c0 /sys/net/if_bridge.c | |
| parent | 5dabcd6211e3e55b2aa1926c8e5782aba5baee0c (diff) | |
update ip stats when dropping an ip packet
ok jason@
Diffstat (limited to 'sys/net/if_bridge.c')
| -rw-r--r-- | sys/net/if_bridge.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/sys/net/if_bridge.c b/sys/net/if_bridge.c index 6603e8029fb..9c2e1a4ad2c 100644 --- a/sys/net/if_bridge.c +++ b/sys/net/if_bridge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_bridge.c,v 1.78 2001/12/08 18:07:57 jason Exp $ */ +/* $OpenBSD: if_bridge.c,v 1.79 2001/12/10 05:46:57 jasoni Exp $ */ /* * Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net) @@ -57,6 +57,7 @@ #include <netinet/in_systm.h> #include <netinet/in_var.h> #include <netinet/ip.h> +#include <netinet/ip_var.h> #include <netinet/if_ether.h> #include <netinet/ip_ipsp.h> @@ -1963,24 +1964,34 @@ bridge_filter(sc, dir, ifp, eh, m) /* Copy minimal header, and drop invalids */ if (m->m_len < sizeof(struct ip) && - (m = m_pullup(m, sizeof(struct ip))) == NULL) + (m = m_pullup(m, sizeof(struct ip))) == NULL) { + ipstat.ips_toosmall++; return (NULL); + } ip = mtod(m, struct ip *); - if (ip->ip_v != IPVERSION) + if (ip->ip_v != IPVERSION) { + ipstat.ips_badvers++; goto dropit; + } hlen = ip->ip_hl << 2; /* get whole header length */ - if (hlen < sizeof(struct ip)) + if (hlen < sizeof(struct ip)) { + ipstat.ips_badhlen++; goto dropit; + } if (hlen > m->m_len) { - if ((m = m_pullup(m, hlen)) == NULL) + if ((m = m_pullup(m, hlen)) == NULL) { + ipstat.ips_badhlen++; return (NULL); + } ip = mtod(m, struct ip *); } - if ((ip->ip_sum = in_cksum(m, hlen)) != 0) + if ((ip->ip_sum = in_cksum(m, hlen)) != 0) { + ipstat.ips_badsum++; goto dropit; + } NTOHS(ip->ip_len); if (ip->ip_len < hlen) |