Thread (8 messages) 8 messages, 4 authors, 2020-10-20

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

From: yue longguang <hidden>
Date: 2020-09-29 02:16:06
Also in: lkml, lvs-devel, netfilter-devel

I sincerely apologize for the trouble which takes up much of your
time. If the last patch does not work , would you please fix it?
thanks

On Mon, Sep 28, 2020 at 10:51 AM longguang.yue [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Outputting client,virtual,dst addresses info when tcp state changes,
which makes the connection debug more clear

Signed-off-by: longguang.yue <redacted>
---
 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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