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tc: flower: add u16 big endian parse option 

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

Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
Eli Britstein 2019-11-20 14:42:43 +02:00 committed by David Ahern
parent 5ccc365740
commit b20dcd0b31
1 changed files with 7 additions and 2 deletions
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9
tc/f_flower.c
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@ -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, static int flower_parse_u16(char *str, int value_type, int mask_type,
struct nlmsghdr *n) struct nlmsghdr *n, bool be)
{ {
__u16 value, mask; __u16 value, mask;
char *slash; char *slash;
@ -239,6 +239,10 @@ static int flower_parse_u16(char *str, int value_type, int mask_type,
mask = UINT16_MAX; mask = UINT16_MAX;
} }
if (be) {
value = htons(value);
mask = htons(mask);
}
addattr16(n, MAX_MSG, value_type, value); addattr16(n, MAX_MSG, value_type, value);
addattr16(n, MAX_MSG, mask_type, mask); 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, return flower_parse_u16(str,
TCA_FLOWER_KEY_CT_ZONE, TCA_FLOWER_KEY_CT_ZONE,
TCA_FLOWER_KEY_CT_ZONE_MASK, TCA_FLOWER_KEY_CT_ZONE_MASK,
n); n,
false);
} }
static int flower_parse_ct_labels(char *str, struct nlmsghdr *n) static int flower_parse_ct_labels(char *str, struct nlmsghdr *n)