diff options
3 files changed, 160 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/matcher.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/matcher.c index 716502732d3d..5b0c1623499b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/matcher.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/matcher.c @@ -385,6 +385,30 @@ static int hws_matcher_bind_at(struct mlx5hws_matcher *matcher) return 0; } +static void hws_matcher_set_ip_version_match(struct mlx5hws_matcher *matcher) +{ + int i; + + for (i = 0; i < matcher->mt->fc_sz; i++) { + switch (matcher->mt->fc[i].fname) { + case MLX5HWS_DEFINER_FNAME_ETH_TYPE_O: + matcher->matches_outer_ethertype = 1; + break; + case MLX5HWS_DEFINER_FNAME_ETH_L3_TYPE_O: + matcher->matches_outer_ip_version = 1; + break; + case MLX5HWS_DEFINER_FNAME_ETH_TYPE_I: + matcher->matches_inner_ethertype = 1; + break; + case MLX5HWS_DEFINER_FNAME_ETH_L3_TYPE_I: + matcher->matches_inner_ip_version = 1; + break; + default: + break; + } + } +} + static int hws_matcher_bind_mt(struct mlx5hws_matcher *matcher) { struct mlx5hws_context *ctx = matcher->tbl->ctx; @@ -401,6 +425,8 @@ static int hws_matcher_bind_mt(struct mlx5hws_matcher *matcher) } } + hws_matcher_set_ip_version_match(matcher); + /* Create an STE pool per matcher*/ pool_attr.table_type = matcher->tbl->type; pool_attr.pool_type = MLX5HWS_POOL_TYPE_STE; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/matcher.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/matcher.h index bad1fa8f77fd..8e95158a66b5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/matcher.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/matcher.h @@ -50,6 +50,12 @@ struct mlx5hws_matcher_match_ste { struct mlx5hws_pool *pool; }; +enum { + MLX5HWS_MATCHER_IPV_UNSET = 0, + MLX5HWS_MATCHER_IPV_4 = 1, + MLX5HWS_MATCHER_IPV_6 = 2, +}; + struct mlx5hws_matcher { struct mlx5hws_table *tbl; struct mlx5hws_matcher_attr attr; @@ -61,6 +67,12 @@ struct mlx5hws_matcher { u8 num_of_action_stes; /* enum mlx5hws_matcher_flags */ u8 flags; + u8 matches_outer_ethertype:1; + u8 matches_outer_ip_version:1; + u8 matches_inner_ethertype:1; + u8 matches_inner_ip_version:1; + u8 outer_ip_version:2; + u8 inner_ip_version:2; u32 end_ft_id; struct mlx5hws_matcher *col_matcher; struct mlx5hws_matcher *resize_dst; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/rule.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/rule.c index 9e6f35d68445..5342a4cc7194 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/rule.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/rule.c @@ -655,6 +655,124 @@ int mlx5hws_rule_move_hws_add(struct mlx5hws_rule *rule, return 0; } +static u8 hws_rule_ethertype_to_matcher_ipv(u32 ethertype) +{ + switch (ethertype) { + case ETH_P_IP: + return MLX5HWS_MATCHER_IPV_4; + case ETH_P_IPV6: + return MLX5HWS_MATCHER_IPV_6; + default: + return MLX5HWS_MATCHER_IPV_UNSET; + } +} + +static u8 hws_rule_ip_version_to_matcher_ipv(u32 ip_version) +{ + switch (ip_version) { + case 4: + return MLX5HWS_MATCHER_IPV_4; + case 6: + return MLX5HWS_MATCHER_IPV_6; + default: + return MLX5HWS_MATCHER_IPV_UNSET; + } +} + +static int hws_rule_check_outer_ip_version(struct mlx5hws_matcher *matcher, + u32 *match_param) +{ + struct mlx5hws_context *ctx = matcher->tbl->ctx; + u8 outer_ipv_ether = MLX5HWS_MATCHER_IPV_UNSET; + u8 outer_ipv_ip = MLX5HWS_MATCHER_IPV_UNSET; + u8 outer_ipv, ver; + + if (matcher->matches_outer_ethertype) { + ver = MLX5_GET(fte_match_param, match_param, + outer_headers.ethertype); + outer_ipv_ether = hws_rule_ethertype_to_matcher_ipv(ver); + } + if (matcher->matches_outer_ip_version) { + ver = MLX5_GET(fte_match_param, match_param, + outer_headers.ip_version); + outer_ipv_ip = hws_rule_ip_version_to_matcher_ipv(ver); + } + + if (outer_ipv_ether != MLX5HWS_MATCHER_IPV_UNSET && + outer_ipv_ip != MLX5HWS_MATCHER_IPV_UNSET && + outer_ipv_ether != outer_ipv_ip) { + mlx5hws_err(ctx, "Rule matches on inconsistent outer ethertype and ip version\n"); + return -EINVAL; + } + + outer_ipv = outer_ipv_ether != MLX5HWS_MATCHER_IPV_UNSET ? + outer_ipv_ether : outer_ipv_ip; + if (outer_ipv != MLX5HWS_MATCHER_IPV_UNSET && + matcher->outer_ip_version != MLX5HWS_MATCHER_IPV_UNSET && + outer_ipv != matcher->outer_ip_version) { + mlx5hws_err(ctx, "Matcher and rule disagree on outer IP version\n"); + return -EINVAL; + } + matcher->outer_ip_version = outer_ipv; + + return 0; +} + +static int hws_rule_check_inner_ip_version(struct mlx5hws_matcher *matcher, + u32 *match_param) +{ + struct mlx5hws_context *ctx = matcher->tbl->ctx; + u8 inner_ipv_ether = MLX5HWS_MATCHER_IPV_UNSET; + u8 inner_ipv_ip = MLX5HWS_MATCHER_IPV_UNSET; + u8 inner_ipv, ver; + + if (matcher->matches_inner_ethertype) { + ver = MLX5_GET(fte_match_param, match_param, + inner_headers.ethertype); + inner_ipv_ether = hws_rule_ethertype_to_matcher_ipv(ver); + } + if (matcher->matches_inner_ip_version) { + ver = MLX5_GET(fte_match_param, match_param, + inner_headers.ip_version); + inner_ipv_ip = hws_rule_ip_version_to_matcher_ipv(ver); + } + + if (inner_ipv_ether != MLX5HWS_MATCHER_IPV_UNSET && + inner_ipv_ip != MLX5HWS_MATCHER_IPV_UNSET && + inner_ipv_ether != inner_ipv_ip) { + mlx5hws_err(ctx, "Rule matches on inconsistent inner ethertype and ip version\n"); + return -EINVAL; + } + + inner_ipv = inner_ipv_ether != MLX5HWS_MATCHER_IPV_UNSET ? + inner_ipv_ether : inner_ipv_ip; + if (inner_ipv != MLX5HWS_MATCHER_IPV_UNSET && + matcher->inner_ip_version != MLX5HWS_MATCHER_IPV_UNSET && + inner_ipv != matcher->inner_ip_version) { + mlx5hws_err(ctx, "Matcher and rule disagree on inner IP version\n"); + return -EINVAL; + } + matcher->inner_ip_version = inner_ipv; + + return 0; +} + +static int hws_rule_check_ip_version(struct mlx5hws_matcher *matcher, + u32 *match_param) +{ + int ret; + + ret = hws_rule_check_outer_ip_version(matcher, match_param); + if (unlikely(ret)) + return ret; + + ret = hws_rule_check_inner_ip_version(matcher, match_param); + if (unlikely(ret)) + return ret; + + return 0; +} + int mlx5hws_rule_create(struct mlx5hws_matcher *matcher, u8 mt_idx, u32 *match_param, @@ -665,6 +783,10 @@ int mlx5hws_rule_create(struct mlx5hws_matcher *matcher, { int ret; + ret = hws_rule_check_ip_version(matcher, match_param); + if (unlikely(ret)) + return ret; + rule_handle->matcher = matcher; ret = hws_rule_enqueue_precheck_create(rule_handle, attr); |