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net/mlx5e: Use macro for TC header re-write offload field mapping

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Use a macro for the static mapping between the enumeration of field
supported by the firmware for header re-write to the corresponding
network header field. This improves the readability of the code and
doesn't change any functionality.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Or Gerlitz 2017-06-13 11:30:01 +03:00 committed by Saeed Mahameed
parent a8ade55ffd
commit a8e4f0c4ce
1 changed files with 25 additions and 21 deletions
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46
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
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@ -1058,32 +1058,36 @@ struct mlx5_fields {
u32 offset;
};
#define OFFLOAD(fw_field, size, field, off) \
{MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)}
static struct mlx5_fields fields[] = {
{MLX5_ACTION_IN_FIELD_OUT_DMAC_47_16, 4, offsetof(struct pedit_headers, eth.h_dest[0])},
{MLX5_ACTION_IN_FIELD_OUT_DMAC_15_0, 2, offsetof(struct pedit_headers, eth.h_dest[4])},
{MLX5_ACTION_IN_FIELD_OUT_SMAC_47_16, 4, offsetof(struct pedit_headers, eth.h_source[0])},
{MLX5_ACTION_IN_FIELD_OUT_SMAC_15_0, 2, offsetof(struct pedit_headers, eth.h_source[4])},
{MLX5_ACTION_IN_FIELD_OUT_ETHERTYPE, 2, offsetof(struct pedit_headers, eth.h_proto)},
OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0),
OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0),
OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0),
OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0),
OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0),
OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0),
{MLX5_ACTION_IN_FIELD_OUT_IP_TTL, 1, offsetof(struct pedit_headers, ip4.ttl)},
{MLX5_ACTION_IN_FIELD_OUT_SIPV4, 4, offsetof(struct pedit_headers, ip4.saddr)},
{MLX5_ACTION_IN_FIELD_OUT_DIPV4, 4, offsetof(struct pedit_headers, ip4.daddr)},
OFFLOAD(IP_TTL, 1, ip4.ttl, 0),
OFFLOAD(SIPV4, 4, ip4.saddr, 0),
OFFLOAD(DIPV4, 4, ip4.daddr, 0),
{MLX5_ACTION_IN_FIELD_OUT_SIPV6_127_96, 4, offsetof(struct pedit_headers, ip6.saddr.s6_addr32[0])},
{MLX5_ACTION_IN_FIELD_OUT_SIPV6_95_64, 4, offsetof(struct pedit_headers, ip6.saddr.s6_addr32[1])},
{MLX5_ACTION_IN_FIELD_OUT_SIPV6_63_32, 4, offsetof(struct pedit_headers, ip6.saddr.s6_addr32[2])},
{MLX5_ACTION_IN_FIELD_OUT_SIPV6_31_0, 4, offsetof(struct pedit_headers, ip6.saddr.s6_addr32[3])},
{MLX5_ACTION_IN_FIELD_OUT_DIPV6_127_96, 4, offsetof(struct pedit_headers, ip6.daddr.s6_addr32[0])},
{MLX5_ACTION_IN_FIELD_OUT_DIPV6_95_64, 4, offsetof(struct pedit_headers, ip6.daddr.s6_addr32[1])},
{MLX5_ACTION_IN_FIELD_OUT_DIPV6_63_32, 4, offsetof(struct pedit_headers, ip6.daddr.s6_addr32[2])},
{MLX5_ACTION_IN_FIELD_OUT_DIPV6_31_0, 4, offsetof(struct pedit_headers, ip6.daddr.s6_addr32[3])},
OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0),
OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0),
OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0),
OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0),
OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0),
OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0),
OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0),
OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0),
{MLX5_ACTION_IN_FIELD_OUT_TCP_SPORT, 2, offsetof(struct pedit_headers, tcp.source)},
{MLX5_ACTION_IN_FIELD_OUT_TCP_DPORT, 2, offsetof(struct pedit_headers, tcp.dest)},
{MLX5_ACTION_IN_FIELD_OUT_TCP_FLAGS, 1, offsetof(struct pedit_headers, tcp.ack_seq) + 5},
OFFLOAD(TCP_SPORT, 2, tcp.source, 0),
OFFLOAD(TCP_DPORT, 2, tcp.dest, 0),
OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5),
{MLX5_ACTION_IN_FIELD_OUT_UDP_SPORT, 2, offsetof(struct pedit_headers, udp.source)},
{MLX5_ACTION_IN_FIELD_OUT_UDP_DPORT, 2, offsetof(struct pedit_headers, udp.dest)},
OFFLOAD(UDP_SPORT, 2, udp.source, 0),
OFFLOAD(UDP_DPORT, 2, udp.dest, 0),
};
/* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at