[RFC][PATCH 4/5] IPVS: debugging output for ip_vs_update_conntrack
From: Hannes Eder <hidden>
Date: 2009-07-27 15:32:34
Also in:
lkml, lvs-devel, netfilter-devel
Subsystem:
ipvs, netfilter, networking [general], the rest · Maintainers:
Simon Horman, Julian Anastasov, Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
This patch is not ment to be merged, its mere for debugging during development. Signed-off-by: Hannes Eder <redacted> net/netfilter/ipvs/ip_vs_xmit.c | 26 ++++++++++++++++++++++++++ 1 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index f3b6810..ed6b811 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c@@ -24,6 +24,7 @@ #include <net/ip6_route.h> #include <linux/icmpv6.h> #include <linux/netfilter.h> +#define DEBUG #include <net/netfilter/nf_conntrack.h> #include <linux/netfilter_ipv4.h>
@@ -345,12 +346,31 @@ ip_vs_bypass_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp, } #endif +#ifdef DEBUG +static void +ip_vs_dump_ct_tuple(const struct nf_conntrack_tuple *t) +{ + /* + * We ignore the fact that this is not SMP-safe. Otherwise we would + * have to duplicate code and this code is not ment to stay here anyway. + */ + printk(KERN_DEBUG "IPVS: "); + nf_ct_dump_tuple(t); +} +#endif + static void ip_vs_update_conntrack(struct sk_buff *skb, struct ip_vs_conn *cp) { if (skb->nfct) { struct nf_conn *ct = (struct nf_conn *)skb->nfct; +#ifdef DEBUG + ip_vs_dump_ct_tuple(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); + ip_vs_dump_ct_tuple(&ct->tuplehash[IP_CT_DIR_REPLY].tuple); + printk("IPVS: nfct confirmed=%d\n", nf_ct_is_confirmed(ct)); +#endif + if (ct != &nf_conntrack_untracked && !nf_ct_is_confirmed(ct)) { /* * The connection is not yet in the hashtable, so we
@@ -365,6 +385,12 @@ ip_vs_update_conntrack(struct sk_buff *skb, struct ip_vs_conn *cp) ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u.tcp.port = cp->dport; } + +#ifdef DEBUG + ip_vs_dump_ct_tuple(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); + ip_vs_dump_ct_tuple(&ct->tuplehash[IP_CT_DIR_REPLY].tuple); +#endif + } }