From: Eric Leblond <eric@regit.org>
Date: Wed, 5 Jun 2019 21:33:17 +0000 (+0200)
Subject: af-packet: improve error handling for some hw
X-Git-Tag: suricata-5.0.0-rc1~306
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fcae1c18de348762c25cf703de71c3a06009235c;p=thirdparty%2Fsuricata.git

af-packet: improve error handling for some hw

Some cards seems to return EAGAIN when there is no more place in
the hash table.
---

diff --git a/src/source-af-packet.c b/src/source-af-packet.c
index 496a2a4268..1daa17bdd9 100644
--- a/src/source-af-packet.c
+++ b/src/source-af-packet.c
@@ -2315,6 +2315,9 @@ static int AFPInsertHalfFlow(int mapd, void *key, uint32_t hash,
             /* no more place in the hash */
             case E2BIG:
                 return 0;
+            /* no more place in the hash for some hardware bypass */
+            case EAGAIN:
+                return 0;
             /* if we already have the key then bypass is a success */
             case EEXIST:
                 return 1;