From: Stephen Hemminger <stephen@networkplumber.org>
Date: Wed, 27 Oct 2021 18:08:47 +0000 (-0700)
Subject: pdump: fix packet snapshot length initialization
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b2be63b55ab086c52c082d5c0b2b01fffbc48326;p=dpdk.git

pdump: fix packet snapshot length initialization

If packet dump was enabled via pdump_enable_by_deviceid
the packet snapshot length was not being set.

Bugzilla ID: 840
Fixes: 10f726efe26c ("pdump: support pcapng and filtering")

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---

diff --git a/lib/pdump/rte_pdump.c b/lib/pdump/rte_pdump.c
index 71602685d5..3086b2a168 100644
--- a/lib/pdump/rte_pdump.c
+++ b/lib/pdump/rte_pdump.c
@@ -631,6 +631,9 @@ pdump_enable_by_deviceid(const char *device_id, uint16_t queue,
 	if (ret < 0)
 		return ret;
 
+	if (snaplen == 0)
+		snaplen = UINT32_MAX;
+
 	return pdump_prepare_client_request(device_id, queue, flags, snaplen,
 					    ENABLE, ring, mp, prm);
 }