Merge branch 'sfc-add-basic-flower-matches-to-offload'

Edward Cree says:

====================
sfc: add basic flower matches to offload

Support offloading TC flower rules with matches on L2-L4 fields.
====================

Link: https://lore.kernel.org/r/cover.1667412458.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

4 files changed, 285 insertions, 11 deletions

diff --git a/drivers/net/ethernet/sfc/mae.c b/drivers/net/ethernet/sfc/mae.c
index 6f472ea0638a..1e605e2a08c5 100644
--- a/drivers/net/ethernet/sfc/mae.c
+++ b/drivers/net/ethernet/sfc/mae.c
@@ -250,6 +250,32 @@ static int efx_mae_match_check_cap_typ(u8 support, enum mask_type typ)
 	}
 }
 
+/* Validate field mask against hardware capabilities.  Captures caller's 'rc' */
+#define CHECK(_mcdi, _field)	({					       \
+	enum mask_type typ = classify_mask((const u8 *)&mask->_field,	       \
+					   sizeof(mask->_field));	       \
+									       \
+	rc = efx_mae_match_check_cap_typ(supported_fields[MAE_FIELD_ ## _mcdi],\
+					 typ);				       \
+	if (rc)								       \
+		NL_SET_ERR_MSG_FMT_MOD(extack,				       \
+				       "No support for %s mask in field %s",   \
+				       mask_type_name(typ), #_field);	       \
+	rc;								       \
+})
+/* Booleans need special handling */
+#define CHECK_BIT(_mcdi, _field)	({				       \
+	enum mask_type typ = mask->_field ? MASK_ONES : MASK_ZEROES;	       \
+									       \
+	rc = efx_mae_match_check_cap_typ(supported_fields[MAE_FIELD_ ## _mcdi],\
+					 typ);				       \
+	if (rc)								       \
+		NL_SET_ERR_MSG_FMT_MOD(extack,				       \
+				       "No support for %s mask in field %s",   \
+				       mask_type_name(typ), #_field);	       \
+	rc;								       \
+})
+
 int efx_mae_match_check_caps(struct efx_nic *efx,
 			     const struct efx_tc_match_fields *mask,
 			     struct netlink_ext_ack *extack)
@@ -269,8 +295,33 @@ int efx_mae_match_check_caps(struct efx_nic *efx,
 				       mask_type_name(ingress_port_mask_type));
 		return rc;
 	}
+	if (CHECK(ETHER_TYPE, eth_proto) ||
+	    CHECK(VLAN0_TCI, vlan_tci[0]) ||
+	    CHECK(VLAN0_PROTO, vlan_proto[0]) ||
+	    CHECK(VLAN1_TCI, vlan_tci[1]) ||
+	    CHECK(VLAN1_PROTO, vlan_proto[1]) ||
+	    CHECK(ETH_SADDR, eth_saddr) ||
+	    CHECK(ETH_DADDR, eth_daddr) ||
+	    CHECK(IP_PROTO, ip_proto) ||
+	    CHECK(IP_TOS, ip_tos) ||
+	    CHECK(IP_TTL, ip_ttl) ||
+	    CHECK(SRC_IP4, src_ip) ||
+	    CHECK(DST_IP4, dst_ip) ||
+#ifdef CONFIG_IPV6
+	    CHECK(SRC_IP6, src_ip6) ||
+	    CHECK(DST_IP6, dst_ip6) ||
+#endif
+	    CHECK(L4_SPORT, l4_sport) ||
+	    CHECK(L4_DPORT, l4_dport) ||
+	    CHECK(TCP_FLAGS, tcp_flags) ||
+	    CHECK_BIT(IS_IP_FRAG, ip_frag) ||
+	    CHECK_BIT(IP_FIRST_FRAG, ip_firstfrag) ||
+	    CHECK(RECIRC_ID, recirc_id))
+		return rc;
 	return 0;
 }
+#undef CHECK_BIT
+#undef CHECK
 
 static bool efx_mae_asl_id(u32 id)
 {
@@ -439,10 +490,90 @@ static int efx_mae_populate_match_criteria(MCDI_DECLARE_STRUCT_PTR(match_crit),
 	}
 	MCDI_STRUCT_SET_DWORD(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_INGRESS_MPORT_SELECTOR_MASK,
 			      match->mask.ingress_port);
+	EFX_POPULATE_DWORD_2(*_MCDI_STRUCT_DWORD(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_FLAGS),
+			     MAE_FIELD_MASK_VALUE_PAIRS_V2_IS_IP_FRAG,
+			     match->value.ip_frag,
+			     MAE_FIELD_MASK_VALUE_PAIRS_V2_IP_FIRST_FRAG,
+			     match->value.ip_firstfrag);
+	EFX_POPULATE_DWORD_2(*_MCDI_STRUCT_DWORD(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_FLAGS_MASK),
+			     MAE_FIELD_MASK_VALUE_PAIRS_V2_IS_IP_FRAG,
+			     match->mask.ip_frag,
+			     MAE_FIELD_MASK_VALUE_PAIRS_V2_IP_FIRST_FRAG,
+			     match->mask.ip_firstfrag);
 	MCDI_STRUCT_SET_BYTE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_RECIRC_ID,
 			     match->value.recirc_id);
 	MCDI_STRUCT_SET_BYTE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_RECIRC_ID_MASK,
 			     match->mask.recirc_id);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_ETHER_TYPE_BE,
+				match->value.eth_proto);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_ETHER_TYPE_BE_MASK,
+				match->mask.eth_proto);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_VLAN0_TCI_BE,
+				match->value.vlan_tci[0]);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_VLAN0_TCI_BE_MASK,
+				match->mask.vlan_tci[0]);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_VLAN0_PROTO_BE,
+				match->value.vlan_proto[0]);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_VLAN0_PROTO_BE_MASK,
+				match->mask.vlan_proto[0]);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_VLAN1_TCI_BE,
+				match->value.vlan_tci[1]);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_VLAN1_TCI_BE_MASK,
+				match->mask.vlan_tci[1]);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_VLAN1_PROTO_BE,
+				match->value.vlan_proto[1]);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_VLAN1_PROTO_BE_MASK,
+				match->mask.vlan_proto[1]);
+	memcpy(MCDI_STRUCT_PTR(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_ETH_SADDR_BE),
+	       match->value.eth_saddr, ETH_ALEN);
+	memcpy(MCDI_STRUCT_PTR(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_ETH_SADDR_BE_MASK),
+	       match->mask.eth_saddr, ETH_ALEN);
+	memcpy(MCDI_STRUCT_PTR(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_ETH_DADDR_BE),
+	       match->value.eth_daddr, ETH_ALEN);
+	memcpy(MCDI_STRUCT_PTR(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_ETH_DADDR_BE_MASK),
+	       match->mask.eth_daddr, ETH_ALEN);
+	MCDI_STRUCT_SET_BYTE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_IP_PROTO,
+			     match->value.ip_proto);
+	MCDI_STRUCT_SET_BYTE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_IP_PROTO_MASK,
+			     match->mask.ip_proto);
+	MCDI_STRUCT_SET_BYTE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_IP_TOS,
+			     match->value.ip_tos);
+	MCDI_STRUCT_SET_BYTE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_IP_TOS_MASK,
+			     match->mask.ip_tos);
+	MCDI_STRUCT_SET_BYTE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_IP_TTL,
+			     match->value.ip_ttl);
+	MCDI_STRUCT_SET_BYTE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_IP_TTL_MASK,
+			     match->mask.ip_ttl);
+	MCDI_STRUCT_SET_DWORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_SRC_IP4_BE,
+				 match->value.src_ip);
+	MCDI_STRUCT_SET_DWORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_SRC_IP4_BE_MASK,
+				 match->mask.src_ip);
+	MCDI_STRUCT_SET_DWORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_DST_IP4_BE,
+				 match->value.dst_ip);
+	MCDI_STRUCT_SET_DWORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_DST_IP4_BE_MASK,
+				 match->mask.dst_ip);
+#ifdef CONFIG_IPV6
+	memcpy(MCDI_STRUCT_PTR(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_SRC_IP6_BE),
+	       &match->value.src_ip6, sizeof(struct in6_addr));
+	memcpy(MCDI_STRUCT_PTR(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_SRC_IP6_BE_MASK),
+	       &match->mask.src_ip6, sizeof(struct in6_addr));
+	memcpy(MCDI_STRUCT_PTR(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_DST_IP6_BE),
+	       &match->value.dst_ip6, sizeof(struct in6_addr));
+	memcpy(MCDI_STRUCT_PTR(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_DST_IP6_BE_MASK),
+	       &match->mask.dst_ip6, sizeof(struct in6_addr));
+#endif
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_L4_SPORT_BE,
+				match->value.l4_sport);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_L4_SPORT_BE_MASK,
+				match->mask.l4_sport);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_L4_DPORT_BE,
+				match->value.l4_dport);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_L4_DPORT_BE_MASK,
+				match->mask.l4_dport);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_TCP_FLAGS_BE,
+				match->value.tcp_flags);
+	MCDI_STRUCT_SET_WORD_BE(match_crit, MAE_FIELD_MASK_VALUE_PAIRS_V2_TCP_FLAGS_BE_MASK,
+				match->mask.tcp_flags);
 	return 0;
 }
 
diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h
index 1f18e9dc62e8..fbeb58104936 100644
--- a/drivers/net/ethernet/sfc/mcdi.h
+++ b/drivers/net/ethernet/sfc/mcdi.h
@@ -224,12 +224,24 @@ void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev);
 #define MCDI_WORD(_buf, _field)						\
 	((u16)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) +	\
 	 le16_to_cpu(*(__force const __le16 *)MCDI_PTR(_buf, _field)))
+/* Write a 16-bit field defined in the protocol as being big-endian. */
+#define MCDI_STRUCT_SET_WORD_BE(_buf, _field, _value) do {		\
+	BUILD_BUG_ON(_field ## _LEN != 2);				\
+	BUILD_BUG_ON(_field ## _OFST & 1);				\
+	*(__force __be16 *)MCDI_STRUCT_PTR(_buf, _field) = (_value);	\
+	} while (0)
 #define MCDI_SET_DWORD(_buf, _field, _value)				\
 	EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0, _value)
 #define MCDI_STRUCT_SET_DWORD(_buf, _field, _value)			\
 	EFX_POPULATE_DWORD_1(*_MCDI_STRUCT_DWORD(_buf, _field), EFX_DWORD_0, _value)
 #define MCDI_DWORD(_buf, _field)					\
 	EFX_DWORD_FIELD(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0)
+/* Write a 32-bit field defined in the protocol as being big-endian. */
+#define MCDI_STRUCT_SET_DWORD_BE(_buf, _field, _value) do {		\
+	BUILD_BUG_ON(_field ## _LEN != 4);				\
+	BUILD_BUG_ON(_field ## _OFST & 3);				\
+	*(__force __be32 *)MCDI_STRUCT_PTR(_buf, _field) = (_value);	\
+	} while (0)
 #define MCDI_POPULATE_DWORD_1(_buf, _field, _name1, _value1)		\
 	EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field),		\
 			     MC_CMD_ ## _name1, _value1)
diff --git a/drivers/net/ethernet/sfc/tc.c b/drivers/net/ethernet/sfc/tc.c
index b21a961eabb1..17e1a3447554 100644
--- a/drivers/net/ethernet/sfc/tc.c
+++ b/drivers/net/ethernet/sfc/tc.c
@@ -124,19 +124,59 @@ static void efx_tc_flow_free(void *ptr, void *arg)
 	kfree(rule);
 }
 
+/* Boilerplate for the simple 'copy a field' cases */
+#define _MAP_KEY_AND_MASK(_name, _type, _tcget, _tcfield, _field)	\
+if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_##_name)) {		\
+	struct flow_match_##_type fm;					\
+									\
+	flow_rule_match_##_tcget(rule, &fm);				\
+	match->value._field = fm.key->_tcfield;				\
+	match->mask._field = fm.mask->_tcfield;				\
+}
+#define MAP_KEY_AND_MASK(_name, _type, _tcfield, _field)	\
+	_MAP_KEY_AND_MASK(_name, _type, _type, _tcfield, _field)
+#define MAP_ENC_KEY_AND_MASK(_name, _type, _tcget, _tcfield, _field)	\
+	_MAP_KEY_AND_MASK(ENC_##_name, _type, _tcget, _tcfield, _field)
+
 static int efx_tc_flower_parse_match(struct efx_nic *efx,
 				     struct flow_rule *rule,
 				     struct efx_tc_match *match,
 				     struct netlink_ext_ack *extack)
 {
 	struct flow_dissector *dissector = rule->match.dissector;
+	unsigned char ipv = 0;
 
+	/* Owing to internal TC infelicities, the IPV6_ADDRS key might be set
+	 * even on IPv4 filters; so rather than relying on dissector->used_keys
+	 * we check the addr_type in the CONTROL key.  If we don't find it (or
+	 * it's masked, which should never happen), we treat both IPV4_ADDRS
+	 * and IPV6_ADDRS as absent.
+	 */
 	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) {
 		struct flow_match_control fm;
 
 		flow_rule_match_control(rule, &fm);
+		if (IS_ALL_ONES(fm.mask->addr_type))
+			switch (fm.key->addr_type) {
+			case FLOW_DISSECTOR_KEY_IPV4_ADDRS:
+				ipv = 4;
+				break;
+			case FLOW_DISSECTOR_KEY_IPV6_ADDRS:
+				ipv = 6;
+				break;
+			default:
+				break;
+			}
 
-		if (fm.mask->flags) {
+		if (fm.mask->flags & FLOW_DIS_IS_FRAGMENT) {
+			match->value.ip_frag = fm.key->flags & FLOW_DIS_IS_FRAGMENT;
+			match->mask.ip_frag = true;
+		}
+		if (fm.mask->flags & FLOW_DIS_FIRST_FRAG) {
+			match->value.ip_firstfrag = fm.key->flags & FLOW_DIS_FIRST_FRAG;
+			match->mask.ip_firstfrag = true;
+		}
+		if (fm.mask->flags & ~(FLOW_DIS_IS_FRAGMENT | FLOW_DIS_FIRST_FRAG)) {
 			NL_SET_ERR_MSG_FMT_MOD(extack, "Unsupported match on control.flags %#x",
 					       fm.mask->flags);
 			return -EOPNOTSUPP;
@@ -144,26 +184,101 @@ static int efx_tc_flower_parse_match(struct efx_nic *efx,
 	}
 	if (dissector->used_keys &
 	    ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) |
-	      BIT(FLOW_DISSECTOR_KEY_BASIC))) {
+	      BIT(FLOW_DISSECTOR_KEY_BASIC) |
+	      BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
+	      BIT(FLOW_DISSECTOR_KEY_VLAN) |
+	      BIT(FLOW_DISSECTOR_KEY_CVLAN) |
+	      BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
+	      BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
+	      BIT(FLOW_DISSECTOR_KEY_PORTS) |
+	      BIT(FLOW_DISSECTOR_KEY_TCP) |
+	      BIT(FLOW_DISSECTOR_KEY_IP))) {
 		NL_SET_ERR_MSG_FMT_MOD(extack, "Unsupported flower keys %#x",
 				       dissector->used_keys);
 		return -EOPNOTSUPP;
 	}
 
-	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
-		struct flow_match_basic fm;
+	MAP_KEY_AND_MASK(BASIC, basic, n_proto, eth_proto);
+	/* Make sure we're IP if any L3/L4 keys used. */
+	if (!IS_ALL_ONES(match->mask.eth_proto) ||
+	    !(match->value.eth_proto == htons(ETH_P_IP) ||
+	      match->value.eth_proto == htons(ETH_P_IPV6)))
+		if (dissector->used_keys &
+		    (BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
+		     BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
+		     BIT(FLOW_DISSECTOR_KEY_PORTS) |
+		     BIT(FLOW_DISSECTOR_KEY_IP) |
+		     BIT(FLOW_DISSECTOR_KEY_TCP))) {
+			NL_SET_ERR_MSG_FMT_MOD(extack, "L3/L4 flower keys %#x require protocol ipv[46]",
+					       dissector->used_keys);
+			return -EINVAL;
+		}
 
-		flow_rule_match_basic(rule, &fm);
-		if (fm.mask->n_proto) {
-			NL_SET_ERR_MSG_MOD(extack, "Unsupported eth_proto match");
-			return -EOPNOTSUPP;
+	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
+		struct flow_match_vlan fm;
+
+		flow_rule_match_vlan(rule, &fm);
+		if (fm.mask->vlan_id || fm.mask->vlan_priority || fm.mask->vlan_tpid) {
+			match->value.vlan_proto[0] = fm.key->vlan_tpid;
+			match->mask.vlan_proto[0] = fm.mask->vlan_tpid;
+			match->value.vlan_tci[0] = cpu_to_be16(fm.key->vlan_priority << 13 |
+							       fm.key->vlan_id);
+			match->mask.vlan_tci[0] = cpu_to_be16(fm.mask->vlan_priority << 13 |
+							      fm.mask->vlan_id);
 		}
-		if (fm.mask->ip_proto) {
-			NL_SET_ERR_MSG_MOD(extack, "Unsupported ip_proto match");
-			return -EOPNOTSUPP;
+	}
+
+	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) {
+		struct flow_match_vlan fm;
+
+		flow_rule_match_cvlan(rule, &fm);
+		if (fm.mask->vlan_id || fm.mask->vlan_priority || fm.mask->vlan_tpid) {
+			match->value.vlan_proto[1] = fm.key->vlan_tpid;
+			match->mask.vlan_proto[1] = fm.mask->vlan_tpid;
+			match->value.vlan_tci[1] = cpu_to_be16(fm.key->vlan_priority << 13 |
+							       fm.key->vlan_id);
+			match->mask.vlan_tci[1] = cpu_to_be16(fm.mask->vlan_priority << 13 |
+							      fm.mask->vlan_id);
 		}
 	}
 
+	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
+		struct flow_match_eth_addrs fm;
+
+		flow_rule_match_eth_addrs(rule, &fm);
+		ether_addr_copy(match->value.eth_saddr, fm.key->src);
+		ether_addr_copy(match->value.eth_daddr, fm.key->dst);
+		ether_addr_copy(match->mask.eth_saddr, fm.mask->src);
+		ether_addr_copy(match->mask.eth_daddr, fm.mask->dst);
+	}
+
+	MAP_KEY_AND_MASK(BASIC, basic, ip_proto, ip_proto);
+	/* Make sure we're TCP/UDP if any L4 keys used. */
+	if ((match->value.ip_proto != IPPROTO_UDP &&
+	     match->value.ip_proto != IPPROTO_TCP) || !IS_ALL_ONES(match->mask.ip_proto))
+		if (dissector->used_keys &
+		    (BIT(FLOW_DISSECTOR_KEY_PORTS) |
+		     BIT(FLOW_DISSECTOR_KEY_TCP))) {
+			NL_SET_ERR_MSG_FMT_MOD(extack, "L4 flower keys %#x require ipproto udp or tcp",
+					       dissector->used_keys);
+			return -EINVAL;
+		}
+	MAP_KEY_AND_MASK(IP, ip, tos, ip_tos);
+	MAP_KEY_AND_MASK(IP, ip, ttl, ip_ttl);
+	if (ipv == 4) {
+		MAP_KEY_AND_MASK(IPV4_ADDRS, ipv4_addrs, src, src_ip);
+		MAP_KEY_AND_MASK(IPV4_ADDRS, ipv4_addrs, dst, dst_ip);
+	}
+#ifdef CONFIG_IPV6
+	else if (ipv == 6) {
+		MAP_KEY_AND_MASK(IPV6_ADDRS, ipv6_addrs, src, src_ip6);
+		MAP_KEY_AND_MASK(IPV6_ADDRS, ipv6_addrs, dst, dst_ip6);
+	}
+#endif
+	MAP_KEY_AND_MASK(PORTS, ports, src, l4_sport);
+	MAP_KEY_AND_MASK(PORTS, ports, dst, l4_dport);
+	MAP_KEY_AND_MASK(TCP, tcp, flags, tcp_flags);
+
 	return 0;
 }
 
diff --git a/drivers/net/ethernet/sfc/tc.h b/drivers/net/ethernet/sfc/tc.h
index 4373c3243e3c..4240c375a8e6 100644
--- a/drivers/net/ethernet/sfc/tc.h
+++ b/drivers/net/ethernet/sfc/tc.h
@@ -15,6 +15,8 @@
 #include <linux/rhashtable.h>
 #include "net_driver.h"
 
+#define IS_ALL_ONES(v)	(!(typeof (v))~(v))
+
 struct efx_tc_action_set {
 	u16 deliver:1;
 	u32 dest_mport;
@@ -26,6 +28,20 @@ struct efx_tc_match_fields {
 	/* L1 */
 	u32 ingress_port;
 	u8 recirc_id;
+	/* L2 (inner when encap) */
+	__be16 eth_proto;
+	__be16 vlan_tci[2], vlan_proto[2];
+	u8 eth_saddr[ETH_ALEN], eth_daddr[ETH_ALEN];
+	/* L3 (when IP) */
+	u8 ip_proto, ip_tos, ip_ttl;
+	__be32 src_ip, dst_ip;
+#ifdef CONFIG_IPV6
+	struct in6_addr src_ip6, dst_ip6;
+#endif
+	bool ip_frag, ip_firstfrag;
+	/* L4 */
+	__be16 l4_sport, l4_dport; /* Ports (UDP, TCP) */
+	__be16 tcp_flags;
 };
 
 struct efx_tc_match {