Merge tag 'mlx5-updates-2019-11-22' of git://git.kernel.org/pub/scm/l…

…inux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5-updates-2019-11-22 1) Misc Cleanups 2) Software steering support for Geneve ==================== Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
mariux64 · Nov 24, 2019 · 9520aea · 9520aea
2 parents d46b7e4 + 90ac245
commit 9520aea
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Showing 8 changed files with 187 additions and 93 deletions.
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
@@ -141,7 +141,6 @@ static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv,
 	struct dst_entry *dst;
 	struct neighbour *n;
 
-#if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6)
 	int ret;
 
 	ret = ipv6_stub->ipv6_dst_lookup(dev_net(mirred_dev), NULL, &dst,
@@ -157,9 +156,6 @@ static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv,
 		dst_release(dst);
 		return ret;
 	}
-#else
-	return -EOPNOTSUPP;
-#endif
 
 	n = dst_neigh_lookup(dst, &fl6->daddr);
 	dst_release(dst);
@@ -240,13 +236,13 @@ int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
 		mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n",
 			       ipv4_encap_size, max_encap_size);
 		err = -EOPNOTSUPP;
-		goto out;
+		goto release_neigh;
 	}
 
 	encap_header = kzalloc(ipv4_encap_size, GFP_KERNEL);
 	if (!encap_header) {
 		err = -ENOMEM;
-		goto out;
+		goto release_neigh;
 	}
 
 	/* used by mlx5e_detach_encap to lookup a neigh hash table
@@ -298,7 +294,7 @@ int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
 		/* the encap entry will be made valid on neigh update event
 		 * and not used before that.
 		 */
-		goto out;
+		goto release_neigh;
 	}
 	e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev,
 						     e->reformat_type,
@@ -318,9 +314,8 @@ int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
 	mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e);
 free_encap:
 	kfree(encap_header);
-out:
-	if (n)
-		neigh_release(n);
+release_neigh:
+	neigh_release(n);
 	return err;
 }
 
@@ -359,13 +354,13 @@ int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
 		mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n",
 			       ipv6_encap_size, max_encap_size);
 		err = -EOPNOTSUPP;
-		goto out;
+		goto release_neigh;
 	}
 
 	encap_header = kzalloc(ipv6_encap_size, GFP_KERNEL);
 	if (!encap_header) {
 		err = -ENOMEM;
-		goto out;
+		goto release_neigh;
 	}
 
 	/* used by mlx5e_detach_encap to lookup a neigh hash table
@@ -416,7 +411,7 @@ int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
 		/* the encap entry will be made valid on neigh update event
 		 * and not used before that.
 		 */
-		goto out;
+		goto release_neigh;
 	}
 
 	e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev,
@@ -437,9 +432,8 @@ int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
 	mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e);
 free_encap:
 	kfree(encap_header);
-out:
-	if (n)
-		neigh_release(n);
+release_neigh:
+	neigh_release(n);
 	return err;
 }
 

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h
@@ -58,9 +58,16 @@ int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
 				    struct net_device *mirred_dev,
 				    struct mlx5e_encap_entry *e);
 
+#if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6)
 int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
 				    struct net_device *mirred_dev,
 				    struct mlx5e_encap_entry *e);
+#else
+static inline int
+mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
+				struct net_device *mirred_dev,
+				struct mlx5e_encap_entry *e) { return -EOPNOTSUPP; }
+#endif
 
 bool mlx5e_tc_tun_device_to_offload(struct mlx5e_priv *priv,
 				    struct net_device *netdev);

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
@@ -102,13 +102,52 @@ static bool dr_mask_is_gre_set(struct mlx5dr_match_misc *misc)
 	DR_MASK_IS_OUTER_MPLS_OVER_GRE_UDP_SET((_misc2), gre) || \
 	DR_MASK_IS_OUTER_MPLS_OVER_GRE_UDP_SET((_misc2), udp))
 
-static bool dr_mask_is_flex_parser_tnl_set(struct mlx5dr_match_misc3 *misc3)
+static bool
+dr_mask_is_misc3_vxlan_gpe_set(struct mlx5dr_match_misc3 *misc3)
 {
 	return (misc3->outer_vxlan_gpe_vni ||
 		misc3->outer_vxlan_gpe_next_protocol ||
 		misc3->outer_vxlan_gpe_flags);
 }
 
+static bool
+dr_matcher_supp_flex_parser_vxlan_gpe(struct mlx5dr_cmd_caps *caps)
+{
+	return caps->flex_protocols &
+	       MLX5_FLEX_PARSER_VXLAN_GPE_ENABLED;
+}
+
+static bool
+dr_mask_is_flex_parser_tnl_vxlan_gpe_set(struct mlx5dr_match_param *mask,
+					 struct mlx5dr_domain *dmn)
+{
+	return dr_mask_is_misc3_vxlan_gpe_set(&mask->misc3) &&
+	       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 ||
@@ -137,13 +176,6 @@ static bool dr_mask_is_gvmi_or_qpn_set(struct mlx5dr_match_misc *misc)
 	return (misc->source_sqn || misc->source_port);
 }
 
-static bool
-dr_matcher_supp_flex_parser_vxlan_gpe(struct mlx5dr_domain *dmn)
-{
-	return dmn->info.caps.flex_protocols &
-	       MLX5_FLEX_PARSER_VXLAN_GPE_ENABLED;
-}
-
 int mlx5dr_matcher_select_builders(struct mlx5dr_matcher *matcher,
 				   struct mlx5dr_matcher_rx_tx *nic_matcher,
 				   enum mlx5dr_ipv outer_ipv,
@@ -262,10 +294,14 @@ static int dr_matcher_set_ste_builders(struct mlx5dr_matcher *matcher,
 								  inner, rx);
 		}
 
-		if (dr_mask_is_flex_parser_tnl_set(&mask.misc3) &&
-		    dr_matcher_supp_flex_parser_vxlan_gpe(dmn))
-			mlx5dr_ste_build_flex_parser_tnl(&sb[idx++], &mask,
-							 inner, rx);
+		if (dr_mask_is_flex_parser_tnl_vxlan_gpe_set(&mask, dmn))
+			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
@@ -2083,68 +2083,110 @@ void mlx5dr_ste_build_eth_l4_misc(struct mlx5dr_ste_build *sb,
 	sb->ste_build_tag_func = &dr_ste_build_eth_l4_misc_tag;
 }
 
-static void dr_ste_build_flex_parser_tnl_bit_mask(struct mlx5dr_match_param *value,
-						  bool inner, u8 *bit_mask)
+static void
+dr_ste_build_flex_parser_tnl_vxlan_gpe_bit_mask(struct mlx5dr_match_param *value,
+						bool inner, u8 *bit_mask)
 {
 	struct mlx5dr_match_misc3 *misc_3_mask = &value->misc3;
 
-	if (misc_3_mask->outer_vxlan_gpe_flags ||
-	    misc_3_mask->outer_vxlan_gpe_next_protocol) {
-		MLX5_SET(ste_flex_parser_tnl, bit_mask,
-			 flex_parser_tunneling_header_63_32,
-			 (misc_3_mask->outer_vxlan_gpe_flags << 24) |
-			 (misc_3_mask->outer_vxlan_gpe_next_protocol));
-		misc_3_mask->outer_vxlan_gpe_flags = 0;
-		misc_3_mask->outer_vxlan_gpe_next_protocol = 0;
-	}
-
-	if (misc_3_mask->outer_vxlan_gpe_vni) {
-		MLX5_SET(ste_flex_parser_tnl, bit_mask,
-			 flex_parser_tunneling_header_31_0,
-			 misc_3_mask->outer_vxlan_gpe_vni << 8);
-		misc_3_mask->outer_vxlan_gpe_vni = 0;
-	}
+	DR_STE_SET_MASK_V(flex_parser_tnl_vxlan_gpe, bit_mask,
+			  outer_vxlan_gpe_flags,
+			  misc_3_mask, outer_vxlan_gpe_flags);
+	DR_STE_SET_MASK_V(flex_parser_tnl_vxlan_gpe, bit_mask,
+			  outer_vxlan_gpe_next_protocol,
+			  misc_3_mask, outer_vxlan_gpe_next_protocol);
+	DR_STE_SET_MASK_V(flex_parser_tnl_vxlan_gpe, bit_mask,
+			  outer_vxlan_gpe_vni,
+			  misc_3_mask, outer_vxlan_gpe_vni);
 }
 
-static int dr_ste_build_flex_parser_tnl_tag(struct mlx5dr_match_param *value,
-					    struct mlx5dr_ste_build *sb,
-					    u8 *hw_ste_p)
+static int
+dr_ste_build_flex_parser_tnl_vxlan_gpe_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_misc3 *misc3 = &value->misc3;
 	u8 *tag = hw_ste->tag;
 
-	if (misc3->outer_vxlan_gpe_flags ||
-	    misc3->outer_vxlan_gpe_next_protocol) {
-		MLX5_SET(ste_flex_parser_tnl, tag,
-			 flex_parser_tunneling_header_63_32,
-			 (misc3->outer_vxlan_gpe_flags << 24) |
-			 (misc3->outer_vxlan_gpe_next_protocol));
-		misc3->outer_vxlan_gpe_flags = 0;
-		misc3->outer_vxlan_gpe_next_protocol = 0;
-	}
-
-	if (misc3->outer_vxlan_gpe_vni) {
-		MLX5_SET(ste_flex_parser_tnl, tag,
-			 flex_parser_tunneling_header_31_0,
-			 misc3->outer_vxlan_gpe_vni << 8);
-		misc3->outer_vxlan_gpe_vni = 0;
-	}
+	DR_STE_SET_TAG(flex_parser_tnl_vxlan_gpe, tag,
+		       outer_vxlan_gpe_flags, misc3,
+		       outer_vxlan_gpe_flags);
+	DR_STE_SET_TAG(flex_parser_tnl_vxlan_gpe, tag,
+		       outer_vxlan_gpe_next_protocol, misc3,
+		       outer_vxlan_gpe_next_protocol);
+	DR_STE_SET_TAG(flex_parser_tnl_vxlan_gpe, tag,
+		       outer_vxlan_gpe_vni, misc3,
+		       outer_vxlan_gpe_vni);
 
 	return 0;
 }
 
-void mlx5dr_ste_build_flex_parser_tnl(struct mlx5dr_ste_build *sb,
-				      struct mlx5dr_match_param *mask,
-				      bool inner, bool rx)
+void mlx5dr_ste_build_flex_parser_tnl_vxlan_gpe(struct mlx5dr_ste_build *sb,
+						struct mlx5dr_match_param *mask,
+						bool inner, bool rx)
+{
+	dr_ste_build_flex_parser_tnl_vxlan_gpe_bit_mask(mask, inner,
+							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_vxlan_gpe_tag;
+}
+
+static void
+dr_ste_build_flex_parser_tnl_geneve_bit_mask(struct mlx5dr_match_param *value,
+					     u8 *bit_mask)
 {
-	dr_ste_build_flex_parser_tnl_bit_mask(mask, inner, sb->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_tag;
+	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,

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
@@ -325,9 +325,12 @@ int mlx5dr_ste_build_flex_parser_1(struct mlx5dr_ste_build *sb,
 				   struct mlx5dr_match_param *mask,
 				   struct mlx5dr_cmd_caps *caps,
 				   bool inner, bool rx);
-void mlx5dr_ste_build_flex_parser_tnl(struct mlx5dr_ste_build *sb,
-				      struct mlx5dr_match_param *mask,
-				      bool inner, bool rx);
+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);

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
@@ -548,6 +548,30 @@ struct mlx5_ifc_ste_flex_parser_tnl_bits {
 	u8         reserved_at_40[0x40];
 };
 
+struct mlx5_ifc_ste_flex_parser_tnl_vxlan_gpe_bits {
+	u8         outer_vxlan_gpe_flags[0x8];
+	u8         reserved_at_8[0x10];
+	u8         outer_vxlan_gpe_next_protocol[0x8];
+
+	u8         outer_vxlan_gpe_vni[0x18];
+	u8         reserved_at_38[0x8];
+
+	u8         reserved_at_40[0x40];
+};
+
+struct mlx5_ifc_ste_flex_parser_tnl_geneve_bits {
+	u8         reserved_at_0[0x2];
+	u8         geneve_opt_len[0x6];
+	u8         geneve_oam[0x1];
+	u8         reserved_at_9[0x7];
+	u8         geneve_protocol_type[0x10];
+
+	u8         geneve_vni[0x18];
+	u8         reserved_at_38[0x8];
+
+	u8         reserved_at_40[0x40];
+};
+
 struct mlx5_ifc_ste_general_purpose_bits {
 	u8         general_purpose_lookup_field[0x20];