libteam/SOURCES/libteam-teamd-lw-nsna_ping-...

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From 6bf0e87387878654186bcf7287e0eda59b1c2f2c Mon Sep 17 00:00:00 2001
From: Hangbin Liu <liuhangbin@gmail.com>
Date: Thu, 21 Feb 2019 17:37:46 +0800
Subject: [PATCH 4/6] teamd: lw: nsna_ping: only send ns on enabled port
We forget to check forced_send when using nsna_ping link_watch.
Ns is sent from all ports, which cause switch mac flapping. Some
reply packets are delivered to disabled port and dropped directly.
Fix it by checking forced_send and only send ns on enabled port.
Reported-by: LiLiang <liali@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
---
teamd/teamd_lw_nsna_ping.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/teamd/teamd_lw_nsna_ping.c b/teamd/teamd_lw_nsna_ping.c
index 127d950..82371c4 100644
--- a/teamd/teamd_lw_nsna_ping.c
+++ b/teamd/teamd_lw_nsna_ping.c
@@ -203,6 +203,9 @@ static int lw_nsnap_send(struct lw_psr_port_priv *psr_ppriv)
struct sockaddr_in6 sendto_addr;
struct ns_packet nsp;
+ if (!(psr_ppriv->common.forced_send))
+ return 0;
+
err = teamd_getsockname_hwaddr(psr_ppriv->sock, &ll_my,
sizeof(nsp.hwaddr));
if (err)
--
2.18.1