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Date: Tue, 28 Dec 2021 22:24:59 -0800
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, Yevgeny Kliteynik <kliteyn@...dia.com>,
Muhammad Sammar <muhammads@...dia.com>,
Alex Vesker <valex@...dia.com>,
Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 13/16] net/mlx5: DR, Add support for matching on geneve_tlv_option_0_exist field
From: Yevgeny Kliteynik <kliteyn@...dia.com>
Match on geneve_tlv_option_0_exist field on devices that support STEv1.
Signed-off-by: Muhammad Sammar <muhammads@...dia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@...dia.com>
Reviewed-by: Alex Vesker <valex@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../mellanox/mlx5/core/steering/dr_cmd.c | 7 +++++
.../mellanox/mlx5/core/steering/dr_matcher.c | 17 +++++++++++
.../mellanox/mlx5/core/steering/dr_ste.c | 17 +++++++++++
.../mellanox/mlx5/core/steering/dr_ste.h | 1 +
.../mellanox/mlx5/core/steering/dr_ste_v1.c | 28 +++++++++++++++++++
.../mellanox/mlx5/core/steering/dr_types.h | 9 +++++-
.../mellanox/mlx5/core/steering/mlx5_ifc_dr.h | 8 ++++++
include/linux/mlx5/mlx5_ifc.h | 6 ++--
8 files changed, 90 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c
index e1a79eb66f3c..4dd619d238cc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c
@@ -132,6 +132,13 @@ int mlx5dr_cmd_query_device(struct mlx5_core_dev *mdev,
caps->isolate_vl_tc = MLX5_CAP_GEN(mdev, isolate_vl_tc_new);
+ /* geneve_tlv_option_0_exist is the indication of
+ * STE support for lookup type flex_parser_ok
+ */
+ caps->flex_parser_ok_bits_supp =
+ MLX5_CAP_FLOWTABLE(mdev,
+ flow_table_properties_nic_receive.ft_field_support.geneve_tlv_option_0_exist);
+
if (caps->flex_protocols & MLX5_FLEX_PARSER_ICMP_V4_ENABLED) {
caps->flex_parser_id_icmp_dw0 = MLX5_CAP_GEN(mdev, flex_parser_id_icmp_dw0);
caps->flex_parser_id_icmp_dw1 = MLX5_CAP_GEN(mdev, flex_parser_id_icmp_dw1);
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 b3e7a611f99e..d9f66faa619e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
@@ -140,6 +140,19 @@ static bool dr_mask_is_tnl_geneve_tlv_opt(struct mlx5dr_match_misc3 *misc3)
return misc3->geneve_tlv_option_0_data;
}
+static bool
+dr_matcher_supp_flex_parser_ok(struct mlx5dr_cmd_caps *caps)
+{
+ return caps->flex_parser_ok_bits_supp;
+}
+
+static bool dr_mask_is_tnl_geneve_tlv_opt_exist_set(struct mlx5dr_match_misc *misc,
+ struct mlx5dr_domain *dmn)
+{
+ return dr_matcher_supp_flex_parser_ok(&dmn->info.caps) &&
+ misc->geneve_tlv_option_0_exist;
+}
+
static bool
dr_matcher_supp_tnl_geneve(struct mlx5dr_cmd_caps *caps)
{
@@ -521,6 +534,10 @@ static int dr_matcher_set_ste_builders(struct mlx5dr_matcher *matcher,
mlx5dr_ste_build_tnl_geneve_tlv_opt(ste_ctx, &sb[idx++],
&mask, &dmn->info.caps,
inner, rx);
+ if (dr_mask_is_tnl_geneve_tlv_opt_exist_set(&mask.misc, dmn))
+ mlx5dr_ste_build_tnl_geneve_tlv_opt_exist(ste_ctx, &sb[idx++],
+ &mask, &dmn->info.caps,
+ inner, rx);
} else if (dr_mask_is_tnl_gtpu_any(&mask, dmn)) {
if (dr_mask_is_tnl_gtpu_flex_parser_0(&mask, dmn))
mlx5dr_ste_build_tnl_gtpu_flex_parser_0(ste_ctx, &sb[idx++],
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 67094dba233c..7e61742e58a0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
@@ -719,6 +719,8 @@ static void dr_ste_copy_mask_misc(char *mask, struct mlx5dr_match_misc *spec, bo
spec->vxlan_vni = IFC_GET_CLR(fte_match_set_misc, mask, vxlan_vni, clr);
spec->geneve_vni = IFC_GET_CLR(fte_match_set_misc, mask, geneve_vni, clr);
+ spec->geneve_tlv_option_0_exist =
+ IFC_GET_CLR(fte_match_set_misc, mask, geneve_tlv_option_0_exist, clr);
spec->geneve_oam = IFC_GET_CLR(fte_match_set_misc, mask, geneve_oam, clr);
spec->outer_ipv6_flow_label =
@@ -1214,6 +1216,21 @@ void mlx5dr_ste_build_tnl_geneve_tlv_opt(struct mlx5dr_ste_ctx *ste_ctx,
ste_ctx->build_tnl_geneve_tlv_opt_init(sb, mask);
}
+void mlx5dr_ste_build_tnl_geneve_tlv_opt_exist(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)
+{
+ if (!ste_ctx->build_tnl_geneve_tlv_opt_exist_init)
+ return;
+
+ sb->rx = rx;
+ sb->caps = caps;
+ sb->inner = inner;
+ ste_ctx->build_tnl_geneve_tlv_opt_exist_init(sb, mask);
+}
+
void mlx5dr_ste_build_tnl_gtpu(struct mlx5dr_ste_ctx *ste_ctx,
struct mlx5dr_ste_build *sb,
struct mlx5dr_match_param *mask,
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 e6c25bdf0da0..ca8fa32b8680 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.h
@@ -135,6 +135,7 @@ struct mlx5dr_ste_ctx {
void DR_STE_CTX_BUILDER(tnl_vxlan_gpe);
void DR_STE_CTX_BUILDER(tnl_geneve);
void DR_STE_CTX_BUILDER(tnl_geneve_tlv_opt);
+ void DR_STE_CTX_BUILDER(tnl_geneve_tlv_opt_exist);
void DR_STE_CTX_BUILDER(register_0);
void DR_STE_CTX_BUILDER(register_1);
void DR_STE_CTX_BUILDER(src_gvmi_qpn);
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 9c72be2c2b6b..6ca06800f1d9 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
@@ -47,6 +47,7 @@ enum {
DR_STE_V1_LU_TYPE_ETHL3_IPV4_MISC_I = 0x000f,
DR_STE_V1_LU_TYPE_STEERING_REGISTERS_0 = 0x010f,
DR_STE_V1_LU_TYPE_STEERING_REGISTERS_1 = 0x0110,
+ DR_STE_V1_LU_TYPE_FLEX_PARSER_OK = 0x0011,
DR_STE_V1_LU_TYPE_FLEX_PARSER_0 = 0x0111,
DR_STE_V1_LU_TYPE_FLEX_PARSER_1 = 0x0112,
DR_STE_V1_LU_TYPE_ETHL4_MISC_O = 0x0113,
@@ -1942,6 +1943,32 @@ dr_ste_v1_build_flex_parser_tnl_geneve_tlv_opt_init(struct mlx5dr_ste_build *sb,
sb->ste_build_tag_func = &dr_ste_v1_build_flex_parser_tnl_geneve_tlv_opt_tag;
}
+static int
+dr_ste_v1_build_flex_parser_tnl_geneve_tlv_opt_exist_tag(struct mlx5dr_match_param *value,
+ struct mlx5dr_ste_build *sb,
+ uint8_t *tag)
+{
+ u8 parser_id = sb->caps->flex_parser_id_geneve_tlv_option_0;
+ struct mlx5dr_match_misc *misc = &value->misc;
+
+ if (misc->geneve_tlv_option_0_exist) {
+ MLX5_SET(ste_flex_parser_ok, tag, flex_parsers_ok, 1 << parser_id);
+ misc->geneve_tlv_option_0_exist = 0;
+ }
+
+ return 0;
+}
+
+static void
+dr_ste_v1_build_flex_parser_tnl_geneve_tlv_opt_exist_init(struct mlx5dr_ste_build *sb,
+ struct mlx5dr_match_param *mask)
+{
+ sb->lu_type = DR_STE_V1_LU_TYPE_FLEX_PARSER_OK;
+ dr_ste_v1_build_flex_parser_tnl_geneve_tlv_opt_exist_tag(mask, sb, sb->bit_mask);
+ sb->byte_mask = mlx5dr_ste_conv_bit_to_byte_mask(sb->bit_mask);
+ sb->ste_build_tag_func = &dr_ste_v1_build_flex_parser_tnl_geneve_tlv_opt_exist_tag;
+}
+
static int dr_ste_v1_build_flex_parser_tnl_gtpu_tag(struct mlx5dr_match_param *value,
struct mlx5dr_ste_build *sb,
u8 *tag)
@@ -2041,6 +2068,7 @@ struct mlx5dr_ste_ctx ste_ctx_v1 = {
.build_tnl_vxlan_gpe_init = &dr_ste_v1_build_flex_parser_tnl_vxlan_gpe_init,
.build_tnl_geneve_init = &dr_ste_v1_build_flex_parser_tnl_geneve_init,
.build_tnl_geneve_tlv_opt_init = &dr_ste_v1_build_flex_parser_tnl_geneve_tlv_opt_init,
+ .build_tnl_geneve_tlv_opt_exist_init = &dr_ste_v1_build_flex_parser_tnl_geneve_tlv_opt_exist_init,
.build_register_0_init = &dr_ste_v1_build_register_0_init,
.build_register_1_init = &dr_ste_v1_build_register_1_init,
.build_src_gvmi_qpn_init = &dr_ste_v1_build_src_gvmi_qpn_init,
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 5805e2554a59..21a9b07ba327 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
@@ -442,6 +442,11 @@ void mlx5dr_ste_build_tnl_geneve_tlv_opt(struct mlx5dr_ste_ctx *ste_ctx,
struct mlx5dr_match_param *mask,
struct mlx5dr_cmd_caps *caps,
bool inner, bool rx);
+void mlx5dr_ste_build_tnl_geneve_tlv_opt_exist(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_gtpu(struct mlx5dr_ste_ctx *ste_ctx,
struct mlx5dr_ste_build *sb,
struct mlx5dr_match_param *mask,
@@ -666,7 +671,8 @@ struct mlx5dr_match_misc {
u32 reserved_auto3:8;
u32 geneve_vni:24; /* GENEVE VNI field (outer) */
- u32 reserved_auto4:7;
+ u32 reserved_auto4:6;
+ u32 geneve_tlv_option_0_exist:1;
u32 geneve_oam:1; /* GENEVE OAM field (outer) */
u32 reserved_auto5:12;
@@ -842,6 +848,7 @@ struct mlx5dr_cmd_caps {
u8 flex_parser_id_gtpu_teid;
u8 flex_parser_id_gtpu_dw_2;
u8 flex_parser_id_gtpu_first_ext_dw_0;
+ u8 flex_parser_ok_bits_supp;
u8 max_ft_level;
u16 roce_min_src_udp;
u8 sw_format_ver;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5_ifc_dr.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5_ifc_dr.h
index d0e20bda2622..9604b2091358 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5_ifc_dr.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5_ifc_dr.h
@@ -447,6 +447,14 @@ struct mlx5_ifc_ste_flex_parser_1_bits {
u8 flex_parser_4[0x20];
};
+struct mlx5_ifc_ste_flex_parser_ok_bits {
+ u8 flex_parser_3[0x20];
+ u8 flex_parser_2[0x20];
+ u8 flex_parsers_ok[0x8];
+ u8 reserved_at_48[0x18];
+ u8 flex_parser_0[0x20];
+};
+
struct mlx5_ifc_ste_flex_parser_tnl_bits {
u8 flex_parser_tunneling_header_63_32[0x20];
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index c74c5e147cb9..deaa0f71213f 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -372,7 +372,8 @@ struct mlx5_ifc_flow_table_fields_supported_bits {
u8 reserved_at_37[0x9];
u8 geneve_tlv_option_0_data[0x1];
- u8 reserved_at_41[0x4];
+ u8 geneve_tlv_option_0_exist[0x1];
+ u8 reserved_at_42[0x3];
u8 outer_first_mpls_over_udp[0x4];
u8 outer_first_mpls_over_gre[0x4];
u8 inner_first_mpls[0x4];
@@ -551,7 +552,8 @@ struct mlx5_ifc_fte_match_set_misc_bits {
u8 bth_opcode[0x8];
u8 geneve_vni[0x18];
- u8 reserved_at_d8[0x7];
+ u8 reserved_at_d8[0x6];
+ u8 geneve_tlv_option_0_exist[0x1];
u8 geneve_oam[0x1];
u8 reserved_at_e0[0xc];
--
2.33.1
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