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net/sched: cls_flower: Add support for matching on flags

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Add UAPI to provide set of flags for matching, where the flags
provided from user-space are mapped to flow-dissector flags.

The 1st flag allows to match on whether the packet is an
IP fragment and corresponds to the FLOW_DIS_IS_FRAGMENT flag.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2016-12-07 14:03:10 +02:00 • committed by David S. Miller
parent d26aac2d87
commit faa3ffce78
2 changed files with 83 additions and 0 deletions
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7
include/uapi/linux/pkt_cls.h
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@ -458,11 +458,18 @@ enum {
TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK, /* be16 */
TCA_FLOWER_KEY_ENC_UDP_DST_PORT, /* be16 */
TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK, /* be16 */
TCA_FLOWER_KEY_FLAGS, /* be32 */
TCA_FLOWER_KEY_FLAGS_MASK, /* be32 */
__TCA_FLOWER_MAX,
};
#define TCA_FLOWER_MAX (__TCA_FLOWER_MAX - 1)
enum {
TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
};
/* Match-all classifier */
enum {