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Message-ID: <20191122212541.17715-5-saeedm@mellanox.com>
Date: Fri, 22 Nov 2019 21:26:53 +0000
From: Saeed Mahameed <saeedm@...lanox.com>
To: "David S. Miller" <davem@...emloft.net>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
Yevgeny Kliteynik <kliteyn@...lanox.com>,
Alex Vesker <valex@...lanox.com>,
Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next 4/6] net/mlx5: DR, Add support for Geneve packets SW
steering
From: Yevgeny Kliteynik <kliteyn@...lanox.com>
Add support for SW steering matching on Geneve header fields:
- VNI
- OAM
- protocol type
- options length
Signed-off-by: Yevgeny Kliteynik <kliteyn@...lanox.com>
Reviewed-by: Alex Vesker <valex@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
.../mellanox/mlx5/core/steering/dr_matcher.c | 27 ++++++++++
.../mellanox/mlx5/core/steering/dr_ste.c | 53 +++++++++++++++++++
.../mellanox/mlx5/core/steering/dr_types.h | 3 ++
3 files changed, 83 insertions(+)
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 f177c468b740..c6dbd856df94 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
@@ -125,6 +125,29 @@ dr_mask_is_flex_parser_tnl_vxlan_gpe_set(struct mlx5dr_match_param *mask,
dr_matcher_supp_flex_parser_vxlan_gpe(&dmn->info.caps);
}
+static bool dr_mask_is_misc_geneve_set(struct mlx5dr_match_misc *misc)
+{
+ return misc->geneve_vni ||
+ misc->geneve_oam ||
+ misc->geneve_protocol_type ||
+ misc->geneve_opt_len;
+}
+
+static bool
+dr_matcher_supp_flex_parser_geneve(struct mlx5dr_cmd_caps *caps)
+{
+ return caps->flex_protocols &
+ MLX5_FLEX_PARSER_GENEVE_ENABLED;
+}
+
+static bool
+dr_mask_is_flex_parser_tnl_geneve_set(struct mlx5dr_match_param *mask,
+ struct mlx5dr_domain *dmn)
+{
+ return dr_mask_is_misc_geneve_set(&mask->misc) &&
+ dr_matcher_supp_flex_parser_geneve(&dmn->info.caps);
+}
+
static bool dr_mask_is_flex_parser_icmpv6_set(struct mlx5dr_match_misc3 *misc3)
{
return (misc3->icmpv6_type || misc3->icmpv6_code ||
@@ -275,6 +298,10 @@ static int dr_matcher_set_ste_builders(struct mlx5dr_matcher *matcher,
mlx5dr_ste_build_flex_parser_tnl_vxlan_gpe(&sb[idx++],
&mask,
inner, rx);
+ else if (dr_mask_is_flex_parser_tnl_geneve_set(&mask, dmn))
+ mlx5dr_ste_build_flex_parser_tnl_geneve(&sb[idx++],
+ &mask,
+ inner, rx);
if (DR_MASK_IS_ETH_L4_MISC_SET(mask.misc3, outer))
mlx5dr_ste_build_eth_l4_misc(&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 7a906938ceb9..53068d508b21 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
@@ -2156,6 +2156,59 @@ void mlx5dr_ste_build_flex_parser_tnl_vxlan_gpe(struct mlx5dr_ste_build *sb,
sb->ste_build_tag_func = &dr_ste_build_flex_parser_tnl_vxlan_gpe_tag;
}
+static void
+dr_ste_build_flex_parser_tnl_geneve_bit_mask(struct mlx5dr_match_param *value,
+ u8 *bit_mask)
+{
+ struct mlx5dr_match_misc *misc_mask = &value->misc;
+
+ DR_STE_SET_MASK_V(flex_parser_tnl_geneve, bit_mask,
+ geneve_protocol_type,
+ misc_mask, geneve_protocol_type);
+ DR_STE_SET_MASK_V(flex_parser_tnl_geneve, bit_mask,
+ geneve_oam,
+ misc_mask, geneve_oam);
+ DR_STE_SET_MASK_V(flex_parser_tnl_geneve, bit_mask,
+ geneve_opt_len,
+ misc_mask, geneve_opt_len);
+ DR_STE_SET_MASK_V(flex_parser_tnl_geneve, bit_mask,
+ geneve_vni,
+ misc_mask, geneve_vni);
+}
+
+static int
+dr_ste_build_flex_parser_tnl_geneve_tag(struct mlx5dr_match_param *value,
+ struct mlx5dr_ste_build *sb,
+ u8 *hw_ste_p)
+{
+ struct dr_hw_ste_format *hw_ste = (struct dr_hw_ste_format *)hw_ste_p;
+ struct mlx5dr_match_misc *misc = &value->misc;
+ u8 *tag = hw_ste->tag;
+
+ DR_STE_SET_TAG(flex_parser_tnl_geneve, tag,
+ geneve_protocol_type, misc, geneve_protocol_type);
+ DR_STE_SET_TAG(flex_parser_tnl_geneve, tag,
+ geneve_oam, misc, geneve_oam);
+ DR_STE_SET_TAG(flex_parser_tnl_geneve, tag,
+ geneve_opt_len, misc, geneve_opt_len);
+ DR_STE_SET_TAG(flex_parser_tnl_geneve, tag,
+ geneve_vni, misc, geneve_vni);
+
+ return 0;
+}
+
+void mlx5dr_ste_build_flex_parser_tnl_geneve(struct mlx5dr_ste_build *sb,
+ struct mlx5dr_match_param *mask,
+ bool inner, bool rx)
+{
+ dr_ste_build_flex_parser_tnl_geneve_bit_mask(mask, sb->bit_mask);
+ sb->rx = rx;
+ sb->inner = inner;
+ sb->lu_type = MLX5DR_STE_LU_TYPE_FLEX_PARSER_TNL_HEADER;
+ sb->byte_mask = dr_ste_conv_bit_to_byte_mask(sb->bit_mask);
+ sb->ste_build_tag_func = &dr_ste_build_flex_parser_tnl_geneve_tag;
+}
+
static void dr_ste_build_register_0_bit_mask(struct mlx5dr_match_param *value,
u8 *bit_mask)
{
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 a64af56b825f..290fe61c33d0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
@@ -328,6 +328,9 @@ int mlx5dr_ste_build_flex_parser_1(struct mlx5dr_ste_build *sb,
void mlx5dr_ste_build_flex_parser_tnl_vxlan_gpe(struct mlx5dr_ste_build *sb,
struct mlx5dr_match_param *mask,
bool inner, bool rx);
+void mlx5dr_ste_build_flex_parser_tnl_geneve(struct mlx5dr_ste_build *sb,
+ struct mlx5dr_match_param *mask,
+ bool inner, bool rx);
void mlx5dr_ste_build_general_purpose(struct mlx5dr_ste_build *sb,
struct mlx5dr_match_param *mask,
bool inner, bool rx);
--
2.21.0
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