Commit b6d12238 authored by Yevgeny Kliteynik's avatar Yevgeny Kliteynik Committed by Saeed Mahameed
Browse files

net/mlx5: DR, Add support for Geneve packets SW steering 



Add support for SW steering matching on Geneve header fields:
 - VNI
 - OAM
 - protocol type
 - options length

Signed-off-by: default avatarYevgeny Kliteynik <kliteyn@mellanox.com>
Reviewed-by: default avatarAlex Vesker <valex@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent a18fab48

drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c

+27 −0
Original line number Diff line number Diff line
@@ -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);

drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c

+53 −0
Original line number Diff line number Diff line
@@ -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)

{

drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h

+3 −0
Original line number Diff line number Diff line
@@ -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);

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