3b2ce753bb
- Upstream has .sha256 checksum files, drop redundant .md5 checksum - Backport upstream patch to silence bogus error message for loopback - SMCRoute is useless w/o kernel support, use same fixups as mrouted Signed-off-by: Joachim Wiberg <troglobit@gmail.com> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
52 lines
1.5 KiB
Diff
52 lines
1.5 KiB
Diff
From 8ce1d117a31e35d97fb955b82edf13514267eaab Mon Sep 17 00:00:00 2001
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From: Joachim Wiberg <troglobit@gmail.com>
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Date: Tue, 28 Sep 2021 11:09:47 +0200
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Subject: [PATCH] Avoid trying to delete inactive VIFs
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Organization: Westermo Network Technologies AB
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When probing interfaces at startup, there's a check for IFF_MULTICAST,
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if this flag is not set we try to delete its corresponding VIF/MIF.
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This is for hanlding .conf reload scenarios where an interface has had
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its MULTICAST flag dropped.
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However, when starting up on Linux systems, the loopback interface has
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no MULTICAST flag set. This leads to the following bogus warning:
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Failed deleting VIF for iface lo: Resource temporarily unavailable
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This patch makes sure to check if we have a registered kernel VIF/MIF
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for an interface before attempting to delete it.
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Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
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---
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src/mroute.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/src/mroute.c b/src/mroute.c
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index 291e9c4..6a80a47 100644
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--- a/src/mroute.c
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+++ b/src/mroute.c
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@@ -298,6 +298,9 @@ static int mroute4_del_vif(struct iface *iface)
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if (iface->mrdisc)
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rc = mrdisc_deregister(iface->vif);
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+ if (iface->vif == ALL_VIFS)
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+ return 0;
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+
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if (kern_vif_del(iface)) {
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switch (errno) {
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case ENOENT:
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@@ -910,6 +913,9 @@ static int mroute6_del_mif(struct iface *iface)
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{
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int rc = 0;
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+ if (iface->mif == ALL_VIFS)
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+ return 0;
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+
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if (kern_mif_del(iface) && errno != ENOENT) {
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switch (errno) {
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case ENOENT:
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--
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2.25.1
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