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From 45fd5e7ea1a63a62b70fdf05de782c31222696ad Mon Sep 17 00:00:00 2001
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From: Vincent Bernat <vincent@bernat.im>
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Date: Thu, 12 Nov 2020 19:54:54 -0500
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Subject: [PATCH 5/5] lldp: correctly increase discarded count
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Upstream commit:
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    commit 32f0deeebc9172c3f5f4a4d02aab32e6904947f6
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    Date: Sat, 18 Feb 2017 20:11:47 +0100
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    lldpd: correctly increase discarded count
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    When a frame cannot be decoded but has been guessed, increase the
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    discarded count.
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    Fix https://github.com/vincentbernat/lldpd/issues/223
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Fixes: be53a5c447c3 ("auto-attach: Initial support for Auto-Attach standard")
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Co-authored-by: Fabrizio D'Angelo <fdangelo@redhat.com>
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Signed-off-by: Fabrizio D'Angelo <fdangelo@redhat.com>
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Acked-by: Aaron Conole <aconole@redhat.com>
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Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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---
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 lib/lldp/lldpd.c | 2 ++
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 1 file changed, 2 insertions(+)
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diff --git a/lib/lldp/lldpd.c b/lib/lldp/lldpd.c
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index 19e930526..34738535d 100644
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--- a/lib/lldp/lldpd.c
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+++ b/lib/lldp/lldpd.c
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@@ -244,6 +244,7 @@ lldpd_decode(struct lldpd *cfg, char *frame, int s,
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     if (s < sizeof(struct eth_header) + 4) {
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         /* Too short, just discard it */
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+        hw->h_rx_discarded_cnt++;
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         return;
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     }
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@@ -284,6 +285,7 @@ lldpd_decode(struct lldpd *cfg, char *frame, int s,
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                 VLOG_DBG("function for %s protocol did not "
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                          "decode this frame",
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                          cfg->g_protocols[i].name);
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+                hw->h_rx_discarded_cnt++;
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                 return;
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             }
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             chassis->c_protocol = port->p_protocol = cfg->g_protocols[i].mode;
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-- 
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2.28.0
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