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From 3b6fd8227cbb03b5b211d2cb53534ad405673668 Mon Sep 17 00:00:00 2001
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From: Matteo Croce <mcroce@redhat.com>
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Date: Wed, 2 Aug 2017 13:57:17 +0200
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Subject: [PATCH] ip neigh: allow flush FAILED neighbour entry
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1469945
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Tested: locally using proper reproducer
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Upstream Status: merged 37a5f7c5
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commit 37a5f7c571623059ae671992f72feaa444a6ffc8
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Author: Hangbin Liu <liuhangbin@gmail.com>
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Date: Fri Jun 16 11:31:52 2017 +0800
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ip neigh: allow flush FAILED neighbour entry
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After upstream commit 5071034e4af7 ('neigh: Really delete an arp/neigh entry
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on "ip neigh delete" or "arp -d"'), we could delete a single FAILED neighbour
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entry now. But `ip neigh flush` still skip the FAILED entry.
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Move the filter after first round flush so we can flush FAILED entry on fixed
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kernel and also do not keep retrying on old kernel.
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Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
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Signed-off-by: Matteo Croce <mcroce@redhat.com>
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---
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ip/ipneigh.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/ip/ipneigh.c b/ip/ipneigh.c
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index 4d8fc85..9c38a60 100644
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--- a/ip/ipneigh.c
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+++ b/ip/ipneigh.c
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@@ -445,7 +445,6 @@ static int do_show_or_flush(int argc, char **argv, int flush)
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filter.flushb = flushb;
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filter.flushp = 0;
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filter.flushe = sizeof(flushb);
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- filter.state &= ~NUD_FAILED;
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while (round < MAX_ROUNDS) {
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if (rtnl_dump_request_n(&rth, &req.n) < 0) {
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@@ -474,6 +473,7 @@ static int do_show_or_flush(int argc, char **argv, int flush)
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printf("\n*** Round %d, deleting %d entries ***\n", round, filter.flushed);
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fflush(stdout);
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}
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+ filter.state &= ~NUD_FAILED;
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}
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printf("*** Flush not complete bailing out after %d rounds\n",
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MAX_ROUNDS);
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--
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1.8.3.1
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