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

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

Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Reviewed-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Yevgeny Kliteynik 2019-10-28 17:22:06 +02:00 committed by Saeed Mahameed
parent a18fab48db
commit b6d1223845
3 changed files with 83 additions and 0 deletions
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27
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
View File

@ -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);

53
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
View File

@ -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)
{

3
drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
View File

@ -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);