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[PATCH v5] ipvs: adjust the debug info in function set_tcp_state

To: yuelongguang@xxxxxxxxx
Subject: [PATCH v5] ipvs: adjust the debug info in function set_tcp_state
Cc: "longguang.yue" <bigclouds@xxxxxxx>, Wensong Zhang <wensong@xxxxxxxxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>, Julian Anastasov <ja@xxxxxx>, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>, Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxx>, Florian Westphal <fw@xxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, netdev@xxxxxxxxxxxxxxx (open list:IPVS), lvs-devel@xxxxxxxxxxxxxxx (open list:IPVS), netfilter-devel@xxxxxxxxxxxxxxx (open list:NETFILTER), coreteam@xxxxxxxxxxxxx (open list:NETFILTER), linux-kernel@xxxxxxxxxxxxxxx (open list)
From: "longguang.yue" <bigclouds@xxxxxxx>
Date: Mon, 28 Sep 2020 10:49:38 +0800
Outputting client,virtual,dst addresses info when tcp state changes,
which makes the connection debug more clear

Signed-off-by: longguang.yue <bigclouds@xxxxxxx>
---
 net/netfilter/ipvs/ip_vs_proto_tcp.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c 
b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index dc2e7da2742a..7da51390cea6 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -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));
-- 
2.20.1 (Apple Git-117)


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