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net/mlx5e: Helper function to set ethertype 

Set ethertype match in a helper function as a pre-step towards
optimizing it.

Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eli Britstein 2020-05-11 19:20:29 +00:00 committed by Saeed Mahameed
parent 810cbb2554
commit 4a5d5d7392
4 changed files with 27 additions and 16 deletions
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5
drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
View File

@ -134,10 +134,7 @@ mlx5_tc_ct_set_tuple_match(struct mlx5_flow_spec *spec,
flow_rule_match_basic(rule, &match);
MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype,
ntohs(match.mask->n_proto));
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
ntohs(match.key->n_proto));
mlx5e_tc_set_ethertype(headers_c, headers_v, &match);
MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol,
match.mask->ip_proto);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,

21
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
View File

@ -512,6 +512,13 @@ int mlx5e_tc_tun_parse(struct net_device *filter_dev,
}
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL)) {
struct flow_dissector_key_basic key_basic = {};
struct flow_dissector_key_basic mask_basic = {
.n_proto = htons(0xFFFF),
};
struct flow_match_basic match_basic = {
.key = &key_basic, .mask = &mask_basic,
};
struct flow_match_control match;
u16 addr_type;
@ -537,10 +544,9 @@ int mlx5e_tc_tun_parse(struct net_device *filter_dev,
dst_ipv4_dst_ipv6.ipv4_layout.ipv4,
ntohl(match.key->dst));
MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c,
ethertype);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
ETH_P_IP);
key_basic.n_proto = htons(ETH_P_IP);
mlx5e_tc_set_ethertype(headers_c, headers_v,
&match_basic);
} else if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) {
struct flow_match_ipv6_addrs match;
@ -563,10 +569,9 @@ int mlx5e_tc_tun_parse(struct net_device *filter_dev,
&match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout,
ipv6));
MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c,
ethertype);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
ETH_P_IPV6);
key_basic.n_proto = htons(ETH_P_IPV6);
mlx5e_tc_set_ethertype(headers_c, headers_v,
&match_basic);
}
}

14
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
View File

@ -2020,6 +2020,15 @@ u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow)
return flow->tunnel_id;
}
void mlx5e_tc_set_ethertype(void *headers_c, void *headers_v,
struct flow_match_basic *match)
{
MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype,
ntohs(match->mask->n_proto));
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
ntohs(match->key->n_proto));
}
static int parse_tunnel_attr(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow,
struct mlx5_flow_spec *spec,
@ -2241,10 +2250,7 @@ static int __parse_cls_flower(struct mlx5e_priv *priv,
struct flow_match_basic match;
flow_rule_match_basic(rule, &match);
MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype,
ntohs(match.mask->n_proto));
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
ntohs(match.key->n_proto));
mlx5e_tc_set_ethertype(headers_c, headers_v, &match);
if (match.mask->n_proto)
*match_level = MLX5_MATCH_L2;

3
drivers/net/ethernet/mellanox/mlx5/core/en_tc.h
View File

@ -170,6 +170,9 @@ void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts);
struct mlx5e_tc_flow;
u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow);
void mlx5e_tc_set_ethertype(void *headers_c, void *headers_v,
struct flow_match_basic *match);
#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
int mlx5e_tc_nic_init(struct mlx5e_priv *priv);