netdev - [PATCH net 0/2] nexthop: Do not flush blackhole nexthops when loopback goes down

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Message-Id: <20210304085754.1929848-1-idosch@idosch.org>
Date:   Thu,  4 Mar 2021 10:57:52 +0200
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, dsahern@...il.com,
        roopa@...dia.com, sharpd@...dia.com, mlxsw@...dia.com,
        Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net 0/2] nexthop: Do not flush blackhole nexthops when loopback goes down

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

Patch #1 prevents blackhole nexthops from being flushed when the
loopback device goes down given that as far as user space is concerned,
these nexthops do not have a nexthop device.

Patch #2 adds a test case.

There are no regressions in fib_nexthops.sh with this change:

 # ./fib_nexthops.sh
 ...
 Tests passed: 165
 Tests failed:   0

Ido Schimmel (2):
  nexthop: Do not flush blackhole nexthops when loopback goes down
  selftests: fib_nexthops: Test blackhole nexthops when loopback goes
    down

 net/ipv4/nexthop.c                          | 10 +++++++---
 tools/testing/selftests/net/fib_nexthops.sh |  8 ++++++++
 2 files changed, 15 insertions(+), 3 deletions(-)

-- 
2.29.2