netdev - [PATCH iproute2 master 3/4] pedit: Check for extended capability in protocol parser

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Date:   Sun, 14 May 2017 11:17:45 +0300
From:   Amir Vadai <amir@...ai.me>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev@...r.kernel.org, Or Gerlitz <ogerlitz@...lanox.com>,
        Amir Vadai <amir@...ai.me>
Subject: [PATCH iproute2 master 3/4] pedit: Check for extended capability in protocol parser

Do not allow using eth and udp header types if non-extended pedit kABI
is being used. Other protocol parsers already have this check.

Signed-off-by: Amir Vadai <amir@...ai.me>
---
 tc/p_eth.c | 3 +++
 tc/p_udp.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/tc/p_eth.c b/tc/p_eth.c
index ad3e28f80eb6..2d2f96ca2f0f 100644
--- a/tc/p_eth.c
+++ b/tc/p_eth.c
@@ -34,6 +34,9 @@ parse_eth(int *argc_p, char ***argv_p,
 	if (argc < 2)
 		return -1;
 
+	if (!sel->extended)
+		return -1;
+
 	tkey->htype = TCA_PEDIT_KEY_EX_HDR_TYPE_ETH;
 
 	if (strcmp(*argv, "type") == 0) {
diff --git a/tc/p_udp.c b/tc/p_udp.c
index a56a1b519254..3916d9586040 100644
--- a/tc/p_udp.c
+++ b/tc/p_udp.c
@@ -34,6 +34,9 @@ parse_udp(int *argc_p, char ***argv_p,
 	if (argc < 2)
 		return -1;
 
+	if (!sel->extended)
+		return -1;
+
 	tkey->htype = TCA_PEDIT_KEY_EX_HDR_TYPE_UDP;
 
 	if (strcmp(*argv, "sport") == 0) {
-- 
2.12.2