[PATCH 0/2] Support match flow rule Ethernet type field

[PATCH 0/2] Support match flow rule Ethernet type field

[Chaoyong He]

This patch series add support of match flow rule Ethernet type field,
also do some needed refactor.

---
v2:
* Fix compile problem of 'dangling-pointer'.
---

Long Wu (2):
  net/nfp: refactor flow item calculate function arguments
  net/nfp: flow rule supports match Ethernet type

 drivers/net/nfp/flower/nfp_flower_cmsg.h | 14 +++++
 drivers/net/nfp/flower/nfp_flower_flow.c | 79 ++++++++++++++++++------
 2 files changed, 73 insertions(+), 20 deletions(-)

-- 
2.39.1

[PATCH 1/2] net/nfp: refactor flow item calculate function arguments

[Chaoyong He]

From: Long Wu <long.wu@corigine.com>

Refactor the flow item calculate function, unify the arguments
of item check and calculate function, make the Ethernet item
calculate function more readable.

Signed-off-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Chaoyong He <chaoyong.he@corigine.com>
---
 drivers/net/nfp/flower/nfp_flower_flow.c | 47 +++++++++++++-----------
 1 file changed, 26 insertions(+), 21 deletions(-)

diff --git a/drivers/net/nfp/flower/nfp_flower_flow.c b/drivers/net/nfp/flower/nfp_flower_flow.c
index 0078455658..f24e9cee9c 100644
--- a/drivers/net/nfp/flower/nfp_flower_flow.c
+++ b/drivers/net/nfp/flower/nfp_flower_flow.c
@@ -1044,14 +1044,11 @@ static nfp_flow_key_check_item_fn check_item_fns[] = {
 };
 
 static int
-nfp_flow_key_layers_check_items(const struct rte_flow_item items[])
+nfp_flow_key_layers_check_items(const struct rte_flow_item items[],
+		struct nfp_item_calculate_param *param)
 {
 	int ret;
-	struct nfp_item_flag flag = {};
 	const struct rte_flow_item *item;
-	struct nfp_item_calculate_param param = {
-		.flag = &flag,
-	};
 
 	for (item = items; item->type != RTE_FLOW_ITEM_TYPE_END; ++item) {
 		if (item->type >= RTE_DIM(check_item_fns)) {
@@ -1062,8 +1059,8 @@ nfp_flow_key_layers_check_items(const struct rte_flow_item items[])
 		if (check_item_fns[item->type] == NULL)
 			continue;
 
-		param.item = item;
-		ret = check_item_fns[item->type](&param);
+		param->item = item;
+		ret = check_item_fns[item->type](param);
 		if (ret != 0) {
 			PMD_DRV_LOG(ERR, "Flow item %d check fail", item->type);
 			return ret;
@@ -1081,10 +1078,17 @@ nfp_flow_item_calculate_stub(struct nfp_item_calculate_param *param __rte_unused
 static void
 nfp_flow_item_calculate_eth(struct nfp_item_calculate_param *param)
 {
-	if (param->item->spec != NULL) {
-		param->key_ls->key_layer |= NFP_FLOWER_LAYER_MAC;
-		param->key_ls->key_size += sizeof(struct nfp_flower_mac_mpls);
-	}
+	struct nfp_fl_key_ls *key_ls;
+	const struct rte_flow_item_eth *spec;
+
+	spec = param->item->spec;
+	if (spec == NULL)
+		return;
+
+	key_ls = param->key_ls;
+
+	key_ls->key_layer |= NFP_FLOWER_LAYER_MAC;
+	key_ls->key_size += sizeof(struct nfp_flower_mac_mpls);
 }
 
 static void
@@ -1238,14 +1242,9 @@ static nfp_flow_key_calculate_item_fn item_fns[] = {
 
 static int
 nfp_flow_key_layers_calculate_items(const struct rte_flow_item items[],
-		struct nfp_fl_key_ls *key_ls)
+		struct nfp_item_calculate_param *param)
 {
-	struct nfp_item_flag flag = {};
 	const struct rte_flow_item *item;
-	struct nfp_item_calculate_param param = {
-		.key_ls = key_ls,
-		.flag = &flag,
-	};
 
 	for (item = items; item->type != RTE_FLOW_ITEM_TYPE_END; ++item) {
 		if (item->type >= RTE_DIM(item_fns) || item_fns[item->type] == NULL) {
@@ -1253,8 +1252,8 @@ nfp_flow_key_layers_calculate_items(const struct rte_flow_item items[],
 			return -ERANGE;
 		}
 
-		param.item = item;
-		item_fns[item->type](&param);
+		param->item = item;
+		item_fns[item->type](param);
 	}
 
 	return 0;
@@ -1799,6 +1798,8 @@ nfp_flow_key_layers_calculate(struct rte_eth_dev *dev,
 		struct nfp_fl_key_ls *key_ls)
 {
 	int ret;
+	struct nfp_item_flag flag = {};
+	struct nfp_item_calculate_param param = {};
 
 	key_ls->key_layer_two = 0;
 	key_ls->key_layer = NFP_FLOWER_LAYER_PORT;
@@ -1809,13 +1810,17 @@ nfp_flow_key_layers_calculate(struct rte_eth_dev *dev,
 	key_ls->vlan = 0;
 	key_ls->tun_type = NFP_FL_TUN_NONE;
 
-	ret = nfp_flow_key_layers_check_items(items);
+	param.key_ls = key_ls;
+	param.flag = &flag;
+
+	ret = nfp_flow_key_layers_check_items(items, &param);
 	if (ret != 0) {
 		PMD_DRV_LOG(ERR, "flow items check failed");
 		return ret;
 	}
 
-	ret = nfp_flow_key_layers_calculate_items(items, key_ls);
+	memset(param.flag, 0, sizeof(struct nfp_item_flag));
+	ret = nfp_flow_key_layers_calculate_items(items, &param);
 	if (ret != 0) {
 		PMD_DRV_LOG(ERR, "flow items calculate failed");
 		return ret;
-- 
2.39.1

[PATCH 2/2] net/nfp: flow rule supports match Ethernet type

[Chaoyong He]

From: Long Wu <long.wu@corigine.com>

Add the support of match ethernet type item when
using flower firmware, with a limit that it can
only be used alone.

Signed-off-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Chaoyong He <chaoyong.he@corigine.com>
---
 drivers/net/nfp/flower/nfp_flower_cmsg.h | 14 ++++++++++
 drivers/net/nfp/flower/nfp_flower_flow.c | 34 ++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/drivers/net/nfp/flower/nfp_flower_cmsg.h b/drivers/net/nfp/flower/nfp_flower_cmsg.h
index 5d23227c24..5fc4210d8b 100644
--- a/drivers/net/nfp/flower/nfp_flower_cmsg.h
+++ b/drivers/net/nfp/flower/nfp_flower_cmsg.h
@@ -708,6 +708,20 @@ struct nfp_flower_ipv6_gre_tun {
 	rte_be32_t reserved2;
 };
 
+/*
+ * L3 other (1W/4B)
+ *    3                   2                   1
+ *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |            reserved           |           ethertype           |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * Note: This is only used when no specific L3 header available.
+ */
+struct nfp_flower_l3_other {
+	rte_be16_t reserved;
+	rte_be16_t ethertype;
+};
+
 struct nfp_fl_act_head {
 	uint8_t jump_id;
 	uint8_t len_lw;
diff --git a/drivers/net/nfp/flower/nfp_flower_flow.c b/drivers/net/nfp/flower/nfp_flower_flow.c
index f24e9cee9c..20c8b4a1b1 100644
--- a/drivers/net/nfp/flower/nfp_flower_flow.c
+++ b/drivers/net/nfp/flower/nfp_flower_flow.c
@@ -26,6 +26,7 @@
 #define NFP_FLOWER_LAYER_VXLAN          RTE_BIT32(7)
 
 #define NFP_FLOWER_LAYER2_GRE           RTE_BIT32(0)
+#define NFP_FLOWER_LAYER2_L3_OTHER      RTE_BIT32(3)
 #define NFP_FLOWER_LAYER2_QINQ          RTE_BIT32(4)
 #define NFP_FLOWER_LAYER2_GENEVE        RTE_BIT32(5)
 #define NFP_FLOWER_LAYER2_GENEVE_OP     RTE_BIT32(6)
@@ -962,10 +963,15 @@ struct nfp_item_flag {
 	bool outer_ip6_flag;
 };
 
+struct nfp_item_shared_flag {
+	bool l3_other_flag;
+};
+
 struct nfp_item_calculate_param {
 	const struct rte_flow_item *item;
 	struct nfp_fl_key_ls *key_ls;
 	struct nfp_item_flag *flag;
+	struct nfp_item_shared_flag shared_flag;
 };
 
 typedef int (*nfp_flow_key_check_item_fn)(struct nfp_item_calculate_param *param);
@@ -1065,6 +1071,9 @@ nfp_flow_key_layers_check_items(const struct rte_flow_item items[],
 			PMD_DRV_LOG(ERR, "Flow item %d check fail", item->type);
 			return ret;
 		}
+
+		if (item->type != RTE_FLOW_ITEM_TYPE_ETH)
+			param->shared_flag.l3_other_flag = true;
 	}
 
 	return 0;
@@ -1089,6 +1098,13 @@ nfp_flow_item_calculate_eth(struct nfp_item_calculate_param *param)
 
 	key_ls->key_layer |= NFP_FLOWER_LAYER_MAC;
 	key_ls->key_size += sizeof(struct nfp_flower_mac_mpls);
+
+	if (!param->shared_flag.l3_other_flag && spec->type != 0) {
+		key_ls->key_layer |= NFP_FLOWER_LAYER_EXT_META;
+		key_ls->key_size += sizeof(struct nfp_flower_ext_meta);
+		key_ls->key_layer_two |= NFP_FLOWER_LAYER2_L3_OTHER;
+		key_ls->key_size += sizeof(struct nfp_flower_l3_other);
+	}
 }
 
 static void
@@ -1870,6 +1886,9 @@ nfp_flow_merge_eth(struct nfp_flow_merge_param *param)
 	const struct rte_flow_item *item;
 	const struct rte_flow_item_eth *spec;
 	const struct rte_flow_item_eth *mask;
+	struct nfp_flower_l3_other *l3_other;
+	struct nfp_flower_meta_tci *meta_tci;
+	struct nfp_flower_ext_meta *ext_meta = NULL;
 
 	item = param->item;
 	spec = item->spec;
@@ -1892,6 +1911,21 @@ nfp_flow_merge_eth(struct nfp_flow_merge_param *param)
 	eth->mpls_lse = 0;
 	*param->mbuf_off += sizeof(struct nfp_flower_mac_mpls);
 
+	meta_tci = (struct nfp_flower_meta_tci *)param->nfp_flow->payload.unmasked_data;
+	if ((meta_tci->nfp_flow_key_layer & NFP_FLOWER_LAYER_EXT_META) != 0)
+		ext_meta = (struct nfp_flower_ext_meta *)(meta_tci + 1);
+
+	if (ext_meta != NULL &&
+			(ext_meta->nfp_flow_key_layer2 & NFP_FLOWER_LAYER2_L3_OTHER) != 0) {
+		l3_other = (void *)(*param->mbuf_off);
+		if (param->is_mask)
+			l3_other->ethertype = mask->type;
+		else
+			l3_other->ethertype = spec->type;
+
+		*param->mbuf_off += sizeof(struct nfp_flower_l3_other);
+	}
+
 eth_end:
 	return 0;
 }
-- 
2.39.1

[PATCH v3 0/2] Support match flow rule Ethernet type field

[Chaoyong He]

This patch series add support of match flow rule Ethernet type field,
also do some needed refactor.

---
v3:
* Add the version number.
v2:
* Fix compile problem of 'dangling-pointer'.
---

Long Wu (2):
  net/nfp: refactor flow item calculate function arguments
  net/nfp: flow rule supports match Ethernet type

 drivers/net/nfp/flower/nfp_flower_cmsg.h | 14 +++++
 drivers/net/nfp/flower/nfp_flower_flow.c | 79 ++++++++++++++++++------
 2 files changed, 73 insertions(+), 20 deletions(-)

-- 
2.39.1

[PATCH v3 1/2] net/nfp: refactor flow item calculate function arguments

[Chaoyong He]

From: Long Wu <long.wu@corigine.com>

Refactor the flow item calculate function, unify the arguments
of item check and calculate function, make the Ethernet item
calculate function more readable.

Signed-off-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Chaoyong He <chaoyong.he@corigine.com>
---
 drivers/net/nfp/flower/nfp_flower_flow.c | 47 +++++++++++++-----------
 1 file changed, 26 insertions(+), 21 deletions(-)

diff --git a/drivers/net/nfp/flower/nfp_flower_flow.c b/drivers/net/nfp/flower/nfp_flower_flow.c
index 0078455658..f24e9cee9c 100644
--- a/drivers/net/nfp/flower/nfp_flower_flow.c
+++ b/drivers/net/nfp/flower/nfp_flower_flow.c
@@ -1044,14 +1044,11 @@ static nfp_flow_key_check_item_fn check_item_fns[] = {
 };
 
 static int
-nfp_flow_key_layers_check_items(const struct rte_flow_item items[])
+nfp_flow_key_layers_check_items(const struct rte_flow_item items[],
+		struct nfp_item_calculate_param *param)
 {
 	int ret;
-	struct nfp_item_flag flag = {};
 	const struct rte_flow_item *item;
-	struct nfp_item_calculate_param param = {
-		.flag = &flag,
-	};
 
 	for (item = items; item->type != RTE_FLOW_ITEM_TYPE_END; ++item) {
 		if (item->type >= RTE_DIM(check_item_fns)) {
@@ -1062,8 +1059,8 @@ nfp_flow_key_layers_check_items(const struct rte_flow_item items[])
 		if (check_item_fns[item->type] == NULL)
 			continue;
 
-		param.item = item;
-		ret = check_item_fns[item->type](&param);
+		param->item = item;
+		ret = check_item_fns[item->type](param);
 		if (ret != 0) {
 			PMD_DRV_LOG(ERR, "Flow item %d check fail", item->type);
 			return ret;
@@ -1081,10 +1078,17 @@ nfp_flow_item_calculate_stub(struct nfp_item_calculate_param *param __rte_unused
 static void
 nfp_flow_item_calculate_eth(struct nfp_item_calculate_param *param)
 {
-	if (param->item->spec != NULL) {
-		param->key_ls->key_layer |= NFP_FLOWER_LAYER_MAC;
-		param->key_ls->key_size += sizeof(struct nfp_flower_mac_mpls);
-	}
+	struct nfp_fl_key_ls *key_ls;
+	const struct rte_flow_item_eth *spec;
+
+	spec = param->item->spec;
+	if (spec == NULL)
+		return;
+
+	key_ls = param->key_ls;
+
+	key_ls->key_layer |= NFP_FLOWER_LAYER_MAC;
+	key_ls->key_size += sizeof(struct nfp_flower_mac_mpls);
 }
 
 static void
@@ -1238,14 +1242,9 @@ static nfp_flow_key_calculate_item_fn item_fns[] = {
 
 static int
 nfp_flow_key_layers_calculate_items(const struct rte_flow_item items[],
-		struct nfp_fl_key_ls *key_ls)
+		struct nfp_item_calculate_param *param)
 {
-	struct nfp_item_flag flag = {};
 	const struct rte_flow_item *item;
-	struct nfp_item_calculate_param param = {
-		.key_ls = key_ls,
-		.flag = &flag,
-	};
 
 	for (item = items; item->type != RTE_FLOW_ITEM_TYPE_END; ++item) {
 		if (item->type >= RTE_DIM(item_fns) || item_fns[item->type] == NULL) {
@@ -1253,8 +1252,8 @@ nfp_flow_key_layers_calculate_items(const struct rte_flow_item items[],
 			return -ERANGE;
 		}
 
-		param.item = item;
-		item_fns[item->type](&param);
+		param->item = item;
+		item_fns[item->type](param);
 	}
 
 	return 0;
@@ -1799,6 +1798,8 @@ nfp_flow_key_layers_calculate(struct rte_eth_dev *dev,
 		struct nfp_fl_key_ls *key_ls)
 {
 	int ret;
+	struct nfp_item_flag flag = {};
+	struct nfp_item_calculate_param param = {};
 
 	key_ls->key_layer_two = 0;
 	key_ls->key_layer = NFP_FLOWER_LAYER_PORT;
@@ -1809,13 +1810,17 @@ nfp_flow_key_layers_calculate(struct rte_eth_dev *dev,
 	key_ls->vlan = 0;
 	key_ls->tun_type = NFP_FL_TUN_NONE;
 
-	ret = nfp_flow_key_layers_check_items(items);
+	param.key_ls = key_ls;
+	param.flag = &flag;
+
+	ret = nfp_flow_key_layers_check_items(items, &param);
 	if (ret != 0) {
 		PMD_DRV_LOG(ERR, "flow items check failed");
 		return ret;
 	}
 
-	ret = nfp_flow_key_layers_calculate_items(items, key_ls);
+	memset(param.flag, 0, sizeof(struct nfp_item_flag));
+	ret = nfp_flow_key_layers_calculate_items(items, &param);
 	if (ret != 0) {
 		PMD_DRV_LOG(ERR, "flow items calculate failed");
 		return ret;
-- 
2.39.1

[PATCH v3 2/2] net/nfp: flow rule supports match Ethernet type

[Chaoyong He]

From: Long Wu <long.wu@corigine.com>

Add the support of match ethernet type item when
using flower firmware, with a limit that it can
only be used alone.

Signed-off-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Chaoyong He <chaoyong.he@corigine.com>
---
 drivers/net/nfp/flower/nfp_flower_cmsg.h | 14 ++++++++++
 drivers/net/nfp/flower/nfp_flower_flow.c | 34 ++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/drivers/net/nfp/flower/nfp_flower_cmsg.h b/drivers/net/nfp/flower/nfp_flower_cmsg.h
index 5d23227c24..5fc4210d8b 100644
--- a/drivers/net/nfp/flower/nfp_flower_cmsg.h
+++ b/drivers/net/nfp/flower/nfp_flower_cmsg.h
@@ -708,6 +708,20 @@ struct nfp_flower_ipv6_gre_tun {
 	rte_be32_t reserved2;
 };
 
+/*
+ * L3 other (1W/4B)
+ *    3                   2                   1
+ *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |            reserved           |           ethertype           |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * Note: This is only used when no specific L3 header available.
+ */
+struct nfp_flower_l3_other {
+	rte_be16_t reserved;
+	rte_be16_t ethertype;
+};
+
 struct nfp_fl_act_head {
 	uint8_t jump_id;
 	uint8_t len_lw;
diff --git a/drivers/net/nfp/flower/nfp_flower_flow.c b/drivers/net/nfp/flower/nfp_flower_flow.c
index f24e9cee9c..20c8b4a1b1 100644
--- a/drivers/net/nfp/flower/nfp_flower_flow.c
+++ b/drivers/net/nfp/flower/nfp_flower_flow.c
@@ -26,6 +26,7 @@
 #define NFP_FLOWER_LAYER_VXLAN          RTE_BIT32(7)
 
 #define NFP_FLOWER_LAYER2_GRE           RTE_BIT32(0)
+#define NFP_FLOWER_LAYER2_L3_OTHER      RTE_BIT32(3)
 #define NFP_FLOWER_LAYER2_QINQ          RTE_BIT32(4)
 #define NFP_FLOWER_LAYER2_GENEVE        RTE_BIT32(5)
 #define NFP_FLOWER_LAYER2_GENEVE_OP     RTE_BIT32(6)
@@ -962,10 +963,15 @@ struct nfp_item_flag {
 	bool outer_ip6_flag;
 };
 
+struct nfp_item_shared_flag {
+	bool l3_other_flag;
+};
+
 struct nfp_item_calculate_param {
 	const struct rte_flow_item *item;
 	struct nfp_fl_key_ls *key_ls;
 	struct nfp_item_flag *flag;
+	struct nfp_item_shared_flag shared_flag;
 };
 
 typedef int (*nfp_flow_key_check_item_fn)(struct nfp_item_calculate_param *param);
@@ -1065,6 +1071,9 @@ nfp_flow_key_layers_check_items(const struct rte_flow_item items[],
 			PMD_DRV_LOG(ERR, "Flow item %d check fail", item->type);
 			return ret;
 		}
+
+		if (item->type != RTE_FLOW_ITEM_TYPE_ETH)
+			param->shared_flag.l3_other_flag = true;
 	}
 
 	return 0;
@@ -1089,6 +1098,13 @@ nfp_flow_item_calculate_eth(struct nfp_item_calculate_param *param)
 
 	key_ls->key_layer |= NFP_FLOWER_LAYER_MAC;
 	key_ls->key_size += sizeof(struct nfp_flower_mac_mpls);
+
+	if (!param->shared_flag.l3_other_flag && spec->type != 0) {
+		key_ls->key_layer |= NFP_FLOWER_LAYER_EXT_META;
+		key_ls->key_size += sizeof(struct nfp_flower_ext_meta);
+		key_ls->key_layer_two |= NFP_FLOWER_LAYER2_L3_OTHER;
+		key_ls->key_size += sizeof(struct nfp_flower_l3_other);
+	}
 }
 
 static void
@@ -1870,6 +1886,9 @@ nfp_flow_merge_eth(struct nfp_flow_merge_param *param)
 	const struct rte_flow_item *item;
 	const struct rte_flow_item_eth *spec;
 	const struct rte_flow_item_eth *mask;
+	struct nfp_flower_l3_other *l3_other;
+	struct nfp_flower_meta_tci *meta_tci;
+	struct nfp_flower_ext_meta *ext_meta = NULL;
 
 	item = param->item;
 	spec = item->spec;
@@ -1892,6 +1911,21 @@ nfp_flow_merge_eth(struct nfp_flow_merge_param *param)
 	eth->mpls_lse = 0;
 	*param->mbuf_off += sizeof(struct nfp_flower_mac_mpls);
 
+	meta_tci = (struct nfp_flower_meta_tci *)param->nfp_flow->payload.unmasked_data;
+	if ((meta_tci->nfp_flow_key_layer & NFP_FLOWER_LAYER_EXT_META) != 0)
+		ext_meta = (struct nfp_flower_ext_meta *)(meta_tci + 1);
+
+	if (ext_meta != NULL &&
+			(ext_meta->nfp_flow_key_layer2 & NFP_FLOWER_LAYER2_L3_OTHER) != 0) {
+		l3_other = (void *)(*param->mbuf_off);
+		if (param->is_mask)
+			l3_other->ethertype = mask->type;
+		else
+			l3_other->ethertype = spec->type;
+
+		*param->mbuf_off += sizeof(struct nfp_flower_l3_other);
+	}
+
 eth_end:
 	return 0;
 }
-- 
2.39.1

Re: [PATCH v3 0/2] Support match flow rule Ethernet type field

[Ferruh Yigit]

On 8/30/2024 12:28 PM, Chaoyong He wrote:
> This patch series add support of match flow rule Ethernet type field,
> also do some needed refactor.
> 
> ---
> v3:
> * Add the version number.
> v2:
> * Fix compile problem of 'dangling-pointer'.
> ---
> 
> Long Wu (2):
>   net/nfp: refactor flow item calculate function arguments
>   net/nfp: flow rule supports match Ethernet type
> 

Series applied to dpdk-next-net/main, thanks.