netdev - [PATCH net-next 3/9] ipv6: Notify route if replacing currently offloaded one

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Message-Id: <20191223132820.888247-4-idosch@idosch.org>
Date:   Mon, 23 Dec 2019 15:28:14 +0200
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, dsahern@...il.com, roopa@...ulusnetworks.com,
        jakub.kicinski@...ronome.com, jiri@...lanox.com,
        Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 3/9] ipv6: Notify route if replacing currently offloaded one

From: Ido Schimmel <idosch@...lanox.com>

Similar to the corresponding IPv4 patch, only notify the new route if it
is replacing the currently offloaded one. Meaning, the one pointed to by
'fn->leaf'.

Signed-off-by: Ido Schimmel <idosch@...lanox.com>
Reviewed-by: Jiri Pirko <jiri@...lanox.com>
---
 net/ipv6/ip6_fib.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 045bcaf5e770..7cf9554888b0 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1231,6 +1231,13 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct fib6_info *rt,
 		}
 
 		if (!info->skip_notify_kernel) {
+			enum fib_event_type fib_event;
+
+			fib_event = FIB_EVENT_ENTRY_REPLACE_TMP;
+			if (ins == &fn->leaf)
+				err = call_fib6_entry_notifiers(info->nl_net,
+								fib_event, rt,
+								extack);
 			err = call_fib6_entry_notifiers(info->nl_net,
 							FIB_EVENT_ENTRY_REPLACE,
 							rt, extack);
-- 
2.24.1