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ipvs: adjust the debug info in function set_tcp_state 

Outputting client,virtual,dst addresses info when tcp state changes,
which makes the connection debug more clear

Signed-off-by: longguang.yue <bigclouds@163.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
zero-sugar-mainline-defconfig
longguang.yue 2020-09-28 10:49:38 +08:00 committed by Pablo Neira Ayuso
parent df6afe2f7c
commit 79dce09ab0
1 changed files with 6 additions and 4 deletions
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10
net/netfilter/ipvs/ip_vs_proto_tcp.c
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@ -539,8 +539,8 @@ set_tcp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
if (new_state != cp->state) {
struct ip_vs_dest *dest = cp->dest;
IP_VS_DBG_BUF(8, "%s %s [%c%c%c%c] %s:%d->"
"%s:%d state: %s->%s conn->refcnt:%d\n",
IP_VS_DBG_BUF(8, "%s %s [%c%c%c%c] c:%s:%d v:%s:%d "
"d:%s:%d state: %s->%s conn->refcnt:%d\n",
pd->pp->name,
((state_off == TCP_DIR_OUTPUT) ?
"output " : "input "),
@ -548,10 +548,12 @@ set_tcp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
th->fin ? 'F' : '.',
th->ack ? 'A' : '.',
th->rst ? 'R' : '.',
IP_VS_DBG_ADDR(cp->daf, &cp->daddr),
ntohs(cp->dport),
IP_VS_DBG_ADDR(cp->af, &cp->caddr),
ntohs(cp->cport),
IP_VS_DBG_ADDR(cp->af, &cp->vaddr),
ntohs(cp->vport),
IP_VS_DBG_ADDR(cp->daf, &cp->daddr),
ntohs(cp->dport),
tcp_state_name(cp->state),
tcp_state_name(new_state),
refcount_read(&cp->refcnt));