netdev - [PATCH iproute2-next 6/8] tc: flower: add u16 big endian parse option

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Message-Id: <20191112145154.145289-7-roid@mellanox.com>
Date:   Tue, 12 Nov 2019 16:51:52 +0200
From:   Roi Dayan <roid@...lanox.com>
To:     netdev@...r.kernel.org
Cc:     David Ahern <dsahern@...il.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Jiri Pirko <jiri@...lanox.com>,
        Eli Britstein <elibr@...lanox.com>,
        Roi Dayan <roid@...lanox.com>
Subject: [PATCH iproute2-next 6/8] tc: flower: add u16 big endian parse option

From: Eli Britstein <elibr@...lanox.com>

Add u16 big endian parse option as a pre-step towards TCP/UDP/SCTP
ports usage.

Signed-off-by: Eli Britstein <elibr@...lanox.com>
Reviewed-by: Roi Dayan <roid@...lanox.com>
Acked-by: Jiri Pirko <jiri@...lanox.com>
---
 tc/f_flower.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tc/f_flower.c b/tc/f_flower.c
index 1b518ef30583..69de6a80735b 100644
--- a/tc/f_flower.c
+++ b/tc/f_flower.c
@@ -220,7 +220,7 @@ static int flower_parse_matching_flags(char *str,
 }
 
 static int flower_parse_u16(char *str, int value_type, int mask_type,
-			    struct nlmsghdr *n)
+			    struct nlmsghdr *n, bool be)
 {
 	__u16 value, mask;
 	char *slash;
@@ -239,6 +239,10 @@ static int flower_parse_u16(char *str, int value_type, int mask_type,
 		mask = UINT16_MAX;
 	}
 
+	if (be) {
+		value = htons(value);
+		mask = htons(mask);
+	}
 	addattr16(n, MAX_MSG, value_type, value);
 	addattr16(n, MAX_MSG, mask_type, mask);
 
@@ -284,7 +288,8 @@ static int flower_parse_ct_zone(char *str, struct nlmsghdr *n)
 	return flower_parse_u16(str,
 				TCA_FLOWER_KEY_CT_ZONE,
 				TCA_FLOWER_KEY_CT_ZONE_MASK,
-				n);
+				n,
+				false);
 }
 
 static int flower_parse_ct_labels(char *str, struct nlmsghdr *n)
-- 
2.8.4