From: Liron Himi <lironh@marvell.com>
Date: Wed, 27 Jan 2021 16:09:32 +0000 (+0200)
Subject: net/mvpp2: build flow table key along with rule
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b57d1a8397e00a59667d0c5fd482eed932b72644;p=dpdk.git

net/mvpp2: build flow table key along with rule

Currently the key is always built in network order
regardless of user input.
Besides the fact that it is not in user order,
it prevent future support for udf header between standard headers.
This patch builds the key while parsing the given rule.

Signed-off-by: Liron Himi <lironh@marvell.com>
---

diff --git a/drivers/net/mvpp2/mrvl_ethdev.h b/drivers/net/mvpp2/mrvl_ethdev.h
index eee5182ce8..da026e6068 100644
--- a/drivers/net/mvpp2/mrvl_ethdev.h
+++ b/drivers/net/mvpp2/mrvl_ethdev.h
@@ -82,43 +82,13 @@
 /** Maximum length of a match string */
 #define MRVL_MATCH_LEN 16
 
-/** Parsed fields in processed rte_flow_item. */
-enum mrvl_parsed_fields {
-	/* eth flags */
-	F_DMAC =         BIT(0),
-	F_SMAC =         BIT(1),
-	F_TYPE =         BIT(2),
-	/* vlan flags */
-	F_VLAN_PRI =     BIT(3),
-	F_VLAN_ID =      BIT(4),
-	F_VLAN_TCI =     BIT(5), /* not supported by MUSDK yet */
-	/* ip4 flags */
-	F_IP4_TOS =      BIT(6),
-	F_IP4_SIP =      BIT(7),
-	F_IP4_DIP =      BIT(8),
-	F_IP4_PROTO =    BIT(9),
-	/* ip6 flags */
-	F_IP6_TC =       BIT(10), /* not supported by MUSDK yet */
-	F_IP6_SIP =      BIT(11),
-	F_IP6_DIP =      BIT(12),
-	F_IP6_FLOW =     BIT(13),
-	F_IP6_NEXT_HDR = BIT(14),
-	/* tcp flags */
-	F_TCP_SPORT =    BIT(15),
-	F_TCP_DPORT =    BIT(16),
-	/* udp flags */
-	F_UDP_SPORT =    BIT(17),
-	F_UDP_DPORT =    BIT(18),
-};
-
 /** PMD-specific definition of a flow rule handle. */
 struct mrvl_mtr;
 struct rte_flow {
 	LIST_ENTRY(rte_flow) next;
 	struct mrvl_mtr *mtr;
 
-	enum mrvl_parsed_fields pattern;
-
+	struct pp2_cls_tbl_key table_key;
 	struct pp2_cls_tbl_rule rule;
 	struct pp2_cls_cos_desc cos;
 	struct pp2_cls_tbl_action action;
@@ -196,7 +166,6 @@ struct mrvl_priv {
 
 	struct pp2_cls_tbl_params cls_tbl_params;
 	struct pp2_cls_tbl *cls_tbl;
-	uint32_t cls_tbl_pattern;
 	LIST_HEAD(mrvl_flows, rte_flow) flows;
 
 	struct pp2_cls_plcr *default_policer;
diff --git a/drivers/net/mvpp2/mrvl_flow.c b/drivers/net/mvpp2/mrvl_flow.c
index a1a7485292..ffa47a12ec 100644
--- a/drivers/net/mvpp2/mrvl_flow.c
+++ b/drivers/net/mvpp2/mrvl_flow.c
@@ -192,12 +192,14 @@ mrvl_parse_mac(const struct rte_flow_item_eth *spec,
 		k = spec->dst.addr_bytes;
 		m = mask->dst.addr_bytes;
 
-		flow->pattern |= F_DMAC;
+		flow->table_key.proto_field[flow->rule.num_fields].field.eth =
+			MV_NET_ETH_F_DA;
 	} else {
 		k = spec->src.addr_bytes;
 		m = mask->src.addr_bytes;
 
-		flow->pattern |= F_SMAC;
+		flow->table_key.proto_field[flow->rule.num_fields].field.eth =
+			MV_NET_ETH_F_SA;
 	}
 
 	key_field = &flow->rule.fields[flow->rule.num_fields];
@@ -212,6 +214,10 @@ mrvl_parse_mac(const struct rte_flow_item_eth *spec,
 		 "%02x:%02x:%02x:%02x:%02x:%02x",
 		 m[0], m[1], m[2], m[3], m[4], m[5]);
 
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_ETH;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -272,7 +278,12 @@ mrvl_parse_type(const struct rte_flow_item_eth *spec,
 	k = rte_be_to_cpu_16(spec->type);
 	snprintf((char *)key_field->key, MRVL_CLS_STR_SIZE_MAX, "%u", k);
 
-	flow->pattern |= F_TYPE;
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_ETH;
+	flow->table_key.proto_field[flow->rule.num_fields].field.eth =
+		MV_NET_ETH_F_TYPE;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -303,7 +314,12 @@ mrvl_parse_vlan_id(const struct rte_flow_item_vlan *spec,
 	k = rte_be_to_cpu_16(spec->tci) & MRVL_VLAN_ID_MASK;
 	snprintf((char *)key_field->key, MRVL_CLS_STR_SIZE_MAX, "%u", k);
 
-	flow->pattern |= F_VLAN_ID;
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_VLAN;
+	flow->table_key.proto_field[flow->rule.num_fields].field.vlan =
+		MV_NET_VLAN_F_ID;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -334,7 +350,12 @@ mrvl_parse_vlan_pri(const struct rte_flow_item_vlan *spec,
 	k = (rte_be_to_cpu_16(spec->tci) & MRVL_VLAN_PRI_MASK) >> 13;
 	snprintf((char *)key_field->key, MRVL_CLS_STR_SIZE_MAX, "%u", k);
 
-	flow->pattern |= F_VLAN_PRI;
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_VLAN;
+	flow->table_key.proto_field[flow->rule.num_fields].field.vlan =
+		MV_NET_VLAN_F_PRI;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -367,7 +388,12 @@ mrvl_parse_ip4_dscp(const struct rte_flow_item_ipv4 *spec,
 	snprintf((char *)key_field->key, MRVL_CLS_STR_SIZE_MAX, "%u", k);
 	snprintf((char *)key_field->mask, MRVL_CLS_STR_SIZE_MAX, "%u", m);
 
-	flow->pattern |= F_IP4_TOS;
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_IP4;
+	flow->table_key.proto_field[flow->rule.num_fields].field.ipv4 =
+		MV_NET_IP4_F_DSCP;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -399,12 +425,14 @@ mrvl_parse_ip4_addr(const struct rte_flow_item_ipv4 *spec,
 		k.s_addr = spec->hdr.dst_addr;
 		m = rte_be_to_cpu_32(mask->hdr.dst_addr);
 
-		flow->pattern |= F_IP4_DIP;
+		flow->table_key.proto_field[flow->rule.num_fields].field.ipv4 =
+			MV_NET_IP4_F_DA;
 	} else {
 		k.s_addr = spec->hdr.src_addr;
 		m = rte_be_to_cpu_32(mask->hdr.src_addr);
 
-		flow->pattern |= F_IP4_SIP;
+		flow->table_key.proto_field[flow->rule.num_fields].field.ipv4 =
+			MV_NET_IP4_F_SA;
 	}
 
 	key_field = &flow->rule.fields[flow->rule.num_fields];
@@ -414,6 +442,10 @@ mrvl_parse_ip4_addr(const struct rte_flow_item_ipv4 *spec,
 	inet_ntop(AF_INET, &k, (char *)key_field->key, MRVL_CLS_STR_SIZE_MAX);
 	snprintf((char *)key_field->mask, MRVL_CLS_STR_SIZE_MAX, "0x%x", m);
 
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_IP4;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -475,7 +507,12 @@ mrvl_parse_ip4_proto(const struct rte_flow_item_ipv4 *spec,
 
 	snprintf((char *)key_field->key, MRVL_CLS_STR_SIZE_MAX, "%u", k);
 
-	flow->pattern |= F_IP4_PROTO;
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_IP4;
+	flow->table_key.proto_field[flow->rule.num_fields].field.ipv4 =
+		MV_NET_IP4_F_PROTO;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -507,12 +544,14 @@ mrvl_parse_ip6_addr(const struct rte_flow_item_ipv6 *spec,
 		memcpy(k.s6_addr, spec->hdr.dst_addr, size);
 		memcpy(m.s6_addr, mask->hdr.dst_addr, size);
 
-		flow->pattern |= F_IP6_DIP;
+		flow->table_key.proto_field[flow->rule.num_fields].field.ipv6 =
+			MV_NET_IP6_F_DA;
 	} else {
 		memcpy(k.s6_addr, spec->hdr.src_addr, size);
 		memcpy(m.s6_addr, mask->hdr.src_addr, size);
 
-		flow->pattern |= F_IP6_SIP;
+		flow->table_key.proto_field[flow->rule.num_fields].field.ipv6 =
+			MV_NET_IP6_F_SA;
 	}
 
 	key_field = &flow->rule.fields[flow->rule.num_fields];
@@ -522,6 +561,10 @@ mrvl_parse_ip6_addr(const struct rte_flow_item_ipv6 *spec,
 	inet_ntop(AF_INET6, &k, (char *)key_field->key, MRVL_CLS_STR_SIZE_MAX);
 	inet_ntop(AF_INET6, &m, (char *)key_field->mask, MRVL_CLS_STR_SIZE_MAX);
 
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_IP6;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -585,7 +628,12 @@ mrvl_parse_ip6_flow(const struct rte_flow_item_ipv6 *spec,
 	snprintf((char *)key_field->key, MRVL_CLS_STR_SIZE_MAX, "%u", k);
 	snprintf((char *)key_field->mask, MRVL_CLS_STR_SIZE_MAX, "%u", m);
 
-	flow->pattern |= F_IP6_FLOW;
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_IP6;
+	flow->table_key.proto_field[flow->rule.num_fields].field.ipv6 =
+		MV_NET_IP6_F_FLOW;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -615,7 +663,12 @@ mrvl_parse_ip6_next_hdr(const struct rte_flow_item_ipv6 *spec,
 
 	snprintf((char *)key_field->key, MRVL_CLS_STR_SIZE_MAX, "%u", k);
 
-	flow->pattern |= F_IP6_NEXT_HDR;
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_IP6;
+	flow->table_key.proto_field[flow->rule.num_fields].field.ipv6 =
+		MV_NET_IP6_F_NEXT_HDR;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -648,15 +701,21 @@ mrvl_parse_tcp_port(const struct rte_flow_item_tcp *spec,
 	if (parse_dst) {
 		k = rte_be_to_cpu_16(spec->hdr.dst_port);
 
-		flow->pattern |= F_TCP_DPORT;
+		flow->table_key.proto_field[flow->rule.num_fields].field.tcp =
+			MV_NET_TCP_F_DP;
 	} else {
 		k = rte_be_to_cpu_16(spec->hdr.src_port);
 
-		flow->pattern |= F_TCP_SPORT;
+		flow->table_key.proto_field[flow->rule.num_fields].field.tcp =
+			MV_NET_TCP_F_SP;
 	}
 
 	snprintf((char *)key_field->key, MRVL_CLS_STR_SIZE_MAX, "%u", k);
 
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_TCP;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -721,15 +780,21 @@ mrvl_parse_udp_port(const struct rte_flow_item_udp *spec,
 	if (parse_dst) {
 		k = rte_be_to_cpu_16(spec->hdr.dst_port);
 
-		flow->pattern |= F_UDP_DPORT;
+		flow->table_key.proto_field[flow->rule.num_fields].field.udp =
+			MV_NET_UDP_F_DP;
 	} else {
 		k = rte_be_to_cpu_16(spec->hdr.src_port);
 
-		flow->pattern |= F_UDP_SPORT;
+		flow->table_key.proto_field[flow->rule.num_fields].field.udp =
+			MV_NET_UDP_F_SP;
 	}
 
 	snprintf((char *)key_field->key, MRVL_CLS_STR_SIZE_MAX, "%u", k);
 
+	flow->table_key.proto_field[flow->rule.num_fields].proto =
+		MV_NET_PROTO_UDP;
+	flow->table_key.key_size += key_field->size;
+
 	flow->rule.num_fields += 1;
 
 	return 0;
@@ -832,7 +897,7 @@ mrvl_parse_vlan(const struct rte_flow_item *item,
 {
 	const struct rte_flow_item_vlan *spec = NULL, *mask = NULL;
 	uint16_t m;
-	int ret;
+	int ret, i;
 
 	ret = mrvl_parse_init(item, (const void **)&spec, (const void **)&mask,
 			      &rte_flow_item_vlan_mask,
@@ -855,12 +920,6 @@ mrvl_parse_vlan(const struct rte_flow_item *item,
 			goto out;
 	}
 
-	if (flow->pattern & F_TYPE) {
-		rte_flow_error_set(error, ENOTSUP,
-				   RTE_FLOW_ERROR_TYPE_ITEM, item,
-				   "VLAN TPID matching is not supported");
-		return -rte_errno;
-	}
 	if (mask->inner_type) {
 		struct rte_flow_item_eth spec_eth = {
 			.type = spec->inner_type,
@@ -869,6 +928,21 @@ mrvl_parse_vlan(const struct rte_flow_item *item,
 			.type = mask->inner_type,
 		};
 
+		/* TPID is not supported so if ETH_TYPE was selected,
+		 * error is return. else, classify eth-type with the tpid value
+		 */
+		for (i = 0; i < flow->rule.num_fields; i++)
+			if (flow->table_key.proto_field[i].proto ==
+			    MV_NET_PROTO_ETH &&
+			    flow->table_key.proto_field[i].field.eth ==
+			    MV_NET_ETH_F_TYPE) {
+				rte_flow_error_set(error, ENOTSUP,
+						   RTE_FLOW_ERROR_TYPE_ITEM,
+						   item,
+						   "VLAN TPID matching is not supported");
+				return -rte_errno;
+			}
+
 		MRVL_LOG(WARNING, "inner eth type mask is ignored");
 		ret = mrvl_parse_type(&spec_eth, &mask_eth, flow);
 		if (ret)
@@ -1250,6 +1324,8 @@ mrvl_flow_parse_pattern(struct mrvl_priv *priv __rte_unused,
 		}
 	}
 
+	flow->table_key.num_fields = flow->rule.num_fields;
+
 	return 0;
 }
 
@@ -1462,134 +1538,9 @@ mrvl_create_cls_table(struct rte_eth_dev *dev, struct rte_flow *first_flow)
 	priv->cls_tbl_params.max_num_rules = MRVL_CLS_MAX_NUM_RULES;
 	priv->cls_tbl_params.default_act.type = PP2_CLS_TBL_ACT_DONE;
 	priv->cls_tbl_params.default_act.cos = &first_flow->cos;
-
-	if (first_flow->pattern & F_DMAC) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_ETH;
-		key->proto_field[key->num_fields].field.eth = MV_NET_ETH_F_DA;
-		key->key_size += 6;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_SMAC) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_ETH;
-		key->proto_field[key->num_fields].field.eth = MV_NET_ETH_F_SA;
-		key->key_size += 6;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_TYPE) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_ETH;
-		key->proto_field[key->num_fields].field.eth = MV_NET_ETH_F_TYPE;
-		key->key_size += 2;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_VLAN_ID) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_VLAN;
-		key->proto_field[key->num_fields].field.vlan = MV_NET_VLAN_F_ID;
-		key->key_size += 2;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_VLAN_PRI) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_VLAN;
-		key->proto_field[key->num_fields].field.vlan =
-			MV_NET_VLAN_F_PRI;
-		key->key_size += 1;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_IP4_TOS) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_IP4;
-		key->proto_field[key->num_fields].field.ipv4 =
-							MV_NET_IP4_F_DSCP;
-		key->key_size += 1;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_IP4_SIP) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_IP4;
-		key->proto_field[key->num_fields].field.ipv4 = MV_NET_IP4_F_SA;
-		key->key_size += 4;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_IP4_DIP) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_IP4;
-		key->proto_field[key->num_fields].field.ipv4 = MV_NET_IP4_F_DA;
-		key->key_size += 4;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_IP4_PROTO) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_IP4;
-		key->proto_field[key->num_fields].field.ipv4 =
-			MV_NET_IP4_F_PROTO;
-		key->key_size += 1;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_IP6_SIP) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_IP6;
-		key->proto_field[key->num_fields].field.ipv6 = MV_NET_IP6_F_SA;
-		key->key_size += 16;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_IP6_DIP) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_IP6;
-		key->proto_field[key->num_fields].field.ipv6 = MV_NET_IP6_F_DA;
-		key->key_size += 16;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_IP6_FLOW) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_IP6;
-		key->proto_field[key->num_fields].field.ipv6 =
-			MV_NET_IP6_F_FLOW;
-		key->key_size += 3;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_IP6_NEXT_HDR) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_IP6;
-		key->proto_field[key->num_fields].field.ipv6 =
-			MV_NET_IP6_F_NEXT_HDR;
-		key->key_size += 1;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_TCP_SPORT) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_TCP;
-		key->proto_field[key->num_fields].field.tcp = MV_NET_TCP_F_SP;
-		key->key_size += 2;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_TCP_DPORT) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_TCP;
-		key->proto_field[key->num_fields].field.tcp = MV_NET_TCP_F_DP;
-		key->key_size += 2;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_UDP_SPORT) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_UDP;
-		key->proto_field[key->num_fields].field.udp = MV_NET_UDP_F_SP;
-		key->key_size += 2;
-		key->num_fields += 1;
-	}
-
-	if (first_flow->pattern & F_UDP_DPORT) {
-		key->proto_field[key->num_fields].proto = MV_NET_PROTO_UDP;
-		key->proto_field[key->num_fields].field.udp = MV_NET_UDP_F_DP;
-		key->key_size += 2;
-		key->num_fields += 1;
-	}
+	memcpy(key, &first_flow->table_key, sizeof(struct pp2_cls_tbl_key));
 
 	ret = pp2_cls_tbl_init(&priv->cls_tbl_params, &priv->cls_tbl);
-	if (!ret)
-		priv->cls_tbl_pattern = first_flow->pattern;
 
 	return ret;
 }
@@ -1604,8 +1555,10 @@ mrvl_create_cls_table(struct rte_eth_dev *dev, struct rte_flow *first_flow)
 static inline int
 mrvl_flow_can_be_added(struct mrvl_priv *priv, const struct rte_flow *flow)
 {
-	return flow->pattern == priv->cls_tbl_pattern &&
-	       mrvl_engine_type(flow) == priv->cls_tbl_params.type;
+	int same = memcmp(&flow->table_key, &priv->cls_tbl_params.key,
+			  sizeof(struct pp2_cls_tbl_key)) == 0;
+
+	return same && mrvl_engine_type(flow) == priv->cls_tbl_params.type;
 }
 
 /**