diff options
| author | Julius Volz <juliusv@google.com> | 2008-09-02 15:55:41 +0200 |
|---|---|---|
| committer | Simon Horman <horms@verge.net.au> | 2008-09-05 11:17:06 +1000 |
| commit | 3b047d9d0407e78a52f009835a0e26cb62edb8c7 (patch) | |
| tree | 510ee3b2980aab42f89a753425f8d09d3c730fb4 /net/ipv4/ipvs/ip_vs_proto.c | |
| parent | 51ef348b14183789e4cb3444d05ce83b1b69d8fb (diff) | |
IPVS: Add protocol debug functions for IPv6
Add protocol (TCP, UDP, AH, ESP) debug functions for IPv6 packet debug
output.
Signed-off-by: Julius Volz <juliusv@google.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'net/ipv4/ipvs/ip_vs_proto.c')
| -rw-r--r-- | net/ipv4/ipvs/ip_vs_proto.c | 63 |
1 files changed, 59 insertions, 4 deletions
diff --git a/net/ipv4/ipvs/ip_vs_proto.c b/net/ipv4/ipvs/ip_vs_proto.c index 6099a88fc20..50f6215beda 100644 --- a/net/ipv4/ipvs/ip_vs_proto.c +++ b/net/ipv4/ipvs/ip_vs_proto.c @@ -152,10 +152,10 @@ const char * ip_vs_state_name(__u16 proto, int state) void -ip_vs_tcpudp_debug_packet(struct ip_vs_protocol *pp, - const struct sk_buff *skb, - int offset, - const char *msg) +ip_vs_tcpudp_debug_packet_v4(struct ip_vs_protocol *pp, + const struct sk_buff *skb, + int offset, + const char *msg) { char buf[128]; struct iphdr _iph, *ih; @@ -189,6 +189,61 @@ ip_vs_tcpudp_debug_packet(struct ip_vs_protocol *pp, printk(KERN_DEBUG "IPVS: %s: %s\n", msg, buf); } +#ifdef CONFIG_IP_VS_IPV6 +void +ip_vs_tcpudp_debug_packet_v6(struct ip_vs_protocol *pp, + const struct sk_buff *skb, + int offset, + const char *msg) +{ + char buf[192]; + struct ipv6hdr _iph, *ih; + + ih = skb_header_pointer(skb, offset, sizeof(_iph), &_iph); + if (ih == NULL) + sprintf(buf, "%s TRUNCATED", pp->name); + else if (ih->nexthdr == IPPROTO_FRAGMENT) + sprintf(buf, "%s " NIP6_FMT "->" NIP6_FMT " frag", + pp->name, NIP6(ih->saddr), + NIP6(ih->daddr)); + else { + __be16 _ports[2], *pptr; + + pptr = skb_header_pointer(skb, offset + sizeof(struct ipv6hdr), + sizeof(_ports), _ports); + if (pptr == NULL) + sprintf(buf, "%s TRUNCATED " NIP6_FMT "->" NIP6_FMT, + pp->name, + NIP6(ih->saddr), + NIP6(ih->daddr)); + else + sprintf(buf, "%s " NIP6_FMT ":%u->" NIP6_FMT ":%u", + pp->name, + NIP6(ih->saddr), + ntohs(pptr[0]), + NIP6(ih->daddr), + ntohs(pptr[1])); + } + + printk(KERN_DEBUG "IPVS: %s: %s\n", msg, buf); +} +#endif + + +void +ip_vs_tcpudp_debug_packet(struct ip_vs_protocol *pp, + const struct sk_buff *skb, + int offset, + const char *msg) +{ +#ifdef CONFIG_IP_VS_IPV6 + if (skb->protocol == __constant_htons(ETH_P_IPV6)) + ip_vs_tcpudp_debug_packet_v6(pp, skb, offset, msg); + else +#endif + ip_vs_tcpudp_debug_packet_v4(pp, skb, offset, msg); +} + int __init ip_vs_protocol_init(void) { |