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Date: Mon, 19 Apr 2021 20:20:13 -0700
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, Tariq Toukan <tariqt@...dia.com>,
Yevgeny Kliteynik <kliteyn@...dia.com>,
Muhammad Sammar <muhammads@...dia.com>,
Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 10/15] net/mlx5: DR, Set STEv0 ICMP flex parser dynamically
From: Yevgeny Kliteynik <kliteyn@...dia.com>
Set the flex parser ID dynamicly for ICMP instead of relying
on hardcoded values.
Signed-off-by: Muhammad Sammar <muhammads@...dia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../mellanox/mlx5/core/steering/dr_matcher.c | 12 ++---
.../mellanox/mlx5/core/steering/dr_ste.c | 12 ++---
.../mellanox/mlx5/core/steering/dr_ste.h | 2 +-
.../mellanox/mlx5/core/steering/dr_ste_v0.c | 53 +++++++++----------
.../mellanox/mlx5/core/steering/dr_ste_v1.c | 6 +--
.../mellanox/mlx5/core/steering/dr_types.h | 10 ++--
6 files changed, 43 insertions(+), 52 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
index 3a7576125404..f83fea98cc46 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
@@ -376,13 +376,11 @@ static int dr_matcher_set_ste_builders(struct mlx5dr_matcher *matcher,
mlx5dr_ste_build_tnl_mpls(ste_ctx, &sb[idx++],
&mask, inner, rx);
- if (dr_mask_is_icmp(&mask, dmn)) {
- ret = mlx5dr_ste_build_icmp(ste_ctx, &sb[idx++],
- &mask, &dmn->info.caps,
- inner, rx);
- if (ret)
- return ret;
- }
+ if (dr_mask_is_icmp(&mask, dmn))
+ mlx5dr_ste_build_icmp(ste_ctx, &sb[idx++],
+ &mask, &dmn->info.caps,
+ inner, rx);
+
if (dr_mask_is_tnl_gre_set(&mask.misc))
mlx5dr_ste_build_tnl_gre(ste_ctx, &sb[idx++],
&mask, inner, rx);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
index 445481f01a46..7ae718bb41eb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
@@ -1095,16 +1095,16 @@ void mlx5dr_ste_build_tnl_mpls(struct mlx5dr_ste_ctx *ste_ctx,
ste_ctx->build_tnl_mpls_init(sb, mask);
}
-int mlx5dr_ste_build_icmp(struct mlx5dr_ste_ctx *ste_ctx,
- struct mlx5dr_ste_build *sb,
- struct mlx5dr_match_param *mask,
- struct mlx5dr_cmd_caps *caps,
- bool inner, bool rx)
+void mlx5dr_ste_build_icmp(struct mlx5dr_ste_ctx *ste_ctx,
+ struct mlx5dr_ste_build *sb,
+ struct mlx5dr_match_param *mask,
+ struct mlx5dr_cmd_caps *caps,
+ bool inner, bool rx)
{
sb->rx = rx;
sb->inner = inner;
sb->caps = caps;
- return ste_ctx->build_icmp_init(sb, mask);
+ ste_ctx->build_icmp_init(sb, mask);
}
void mlx5dr_ste_build_general_purpose(struct mlx5dr_ste_ctx *ste_ctx,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.h
index 5900f177d865..a00dab3b6944 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.h
@@ -120,7 +120,7 @@ struct mlx5dr_ste_ctx {
void DR_STE_CTX_BUILDER(mpls);
void DR_STE_CTX_BUILDER(tnl_gre);
void DR_STE_CTX_BUILDER(tnl_mpls);
- int DR_STE_CTX_BUILDER(icmp);
+ void DR_STE_CTX_BUILDER(icmp);
void DR_STE_CTX_BUILDER(general_purpose);
void DR_STE_CTX_BUILDER(eth_l4_misc);
void DR_STE_CTX_BUILDER(tnl_vxlan_gpe);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c
index db19d99366ba..62421c33a9ca 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v0.c
@@ -1297,9 +1297,11 @@ dr_ste_v0_build_icmp_tag(struct mlx5dr_match_param *value,
u32 *icmp_header_data;
int dw0_location;
int dw1_location;
+ u8 *parser_ptr;
u8 *icmp_type;
u8 *icmp_code;
bool is_ipv4;
+ u32 icmp_hdr;
is_ipv4 = DR_MASK_IS_ICMPV4_SET(misc_3);
if (is_ipv4) {
@@ -1316,47 +1318,40 @@ dr_ste_v0_build_icmp_tag(struct mlx5dr_match_param *value,
dw1_location = sb->caps->flex_parser_id_icmpv6_dw1;
}
- switch (dw0_location) {
- case 4:
- MLX5_SET(ste_flex_parser_1, tag, flex_parser_4,
- (*icmp_type << ICMP_TYPE_OFFSET_FIRST_DW) |
- (*icmp_code << ICMP_TYPE_OFFSET_FIRST_DW));
-
- *icmp_type = 0;
- *icmp_code = 0;
- break;
- default:
- return -EINVAL;
- }
+ parser_ptr = dr_ste_calc_flex_parser_offset(tag, dw0_location);
+ icmp_hdr = (*icmp_type << ICMP_TYPE_OFFSET_FIRST_DW) |
+ (*icmp_code << ICMP_CODE_OFFSET_FIRST_DW);
+ *(__be32 *)parser_ptr = cpu_to_be32(icmp_hdr);
+ *icmp_code = 0;
+ *icmp_type = 0;
- switch (dw1_location) {
- case 5:
- MLX5_SET(ste_flex_parser_1, tag, flex_parser_5,
- *icmp_header_data);
- *icmp_header_data = 0;
- break;
- default:
- return -EINVAL;
- }
+ parser_ptr = dr_ste_calc_flex_parser_offset(tag, dw1_location);
+ *(__be32 *)parser_ptr = cpu_to_be32(*icmp_header_data);
+ *icmp_header_data = 0;
return 0;
}
-static int
+static void
dr_ste_v0_build_icmp_init(struct mlx5dr_ste_build *sb,
struct mlx5dr_match_param *mask)
{
- int ret;
+ u8 parser_id;
+ bool is_ipv4;
- ret = dr_ste_v0_build_icmp_tag(mask, sb, sb->bit_mask);
- if (ret)
- return ret;
+ dr_ste_v0_build_icmp_tag(mask, sb, sb->bit_mask);
- sb->lu_type = DR_STE_V0_LU_TYPE_FLEX_PARSER_1;
+ /* STEs with lookup type FLEX_PARSER_{0/1} includes
+ * flex parsers_{0-3}/{4-7} respectively.
+ */
+ is_ipv4 = DR_MASK_IS_ICMPV4_SET(&mask->misc3);
+ parser_id = is_ipv4 ? sb->caps->flex_parser_id_icmp_dw0 :
+ sb->caps->flex_parser_id_icmpv6_dw0;
+ sb->lu_type = parser_id > DR_STE_MAX_FLEX_0_ID ?
+ DR_STE_V0_LU_TYPE_FLEX_PARSER_1 :
+ DR_STE_V0_LU_TYPE_FLEX_PARSER_0;
sb->byte_mask = mlx5dr_ste_conv_bit_to_byte_mask(sb->bit_mask);
sb->ste_build_tag_func = &dr_ste_v0_build_icmp_tag;
-
- return 0;
}
static int
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v1.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v1.c
index 1c8c08bc2d38..f77b1e9103ce 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v1.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste_v1.c
@@ -1337,16 +1337,14 @@ static int dr_ste_v1_build_icmp_tag(struct mlx5dr_match_param *value,
return 0;
}
-static int dr_ste_v1_build_icmp_init(struct mlx5dr_ste_build *sb,
- struct mlx5dr_match_param *mask)
+static void dr_ste_v1_build_icmp_init(struct mlx5dr_ste_build *sb,
+ struct mlx5dr_match_param *mask)
{
dr_ste_v1_build_icmp_tag(mask, sb, sb->bit_mask);
sb->lu_type = DR_STE_V1_LU_TYPE_ETHL4_MISC_O;
sb->byte_mask = mlx5dr_ste_conv_bit_to_byte_mask(sb->bit_mask);
sb->ste_build_tag_func = &dr_ste_v1_build_icmp_tag;
-
- return 0;
}
static int dr_ste_v1_build_general_purpose_tag(struct mlx5dr_match_param *value,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
index 3ccdb806bf68..ee2ea215c4b9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
@@ -393,11 +393,11 @@ void mlx5dr_ste_build_tnl_mpls(struct mlx5dr_ste_ctx *ste_ctx,
struct mlx5dr_ste_build *sb,
struct mlx5dr_match_param *mask,
bool inner, bool rx);
-int mlx5dr_ste_build_icmp(struct mlx5dr_ste_ctx *ste_ctx,
- struct mlx5dr_ste_build *sb,
- struct mlx5dr_match_param *mask,
- struct mlx5dr_cmd_caps *caps,
- bool inner, bool rx);
+void mlx5dr_ste_build_icmp(struct mlx5dr_ste_ctx *ste_ctx,
+ struct mlx5dr_ste_build *sb,
+ struct mlx5dr_match_param *mask,
+ struct mlx5dr_cmd_caps *caps,
+ bool inner, bool rx);
void mlx5dr_ste_build_tnl_vxlan_gpe(struct mlx5dr_ste_ctx *ste_ctx,
struct mlx5dr_ste_build *sb,
struct mlx5dr_match_param *mask,
--
2.30.2
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