[dpdk-dev] [PATCH v2 1/6] net/i40e: support RSS for GTP-C and GTP-U

Beilei Xing beilei.xing at intel.com
Thu Sep 7 13:20:58 CEST 2017


GTP-C and GTP-U are supported by new profile.
Enable RSS for GTP-C and GTP-U after downloading
profile.

Signed-off-by: Beilei Xing <beilei.xing at intel.com>
---
 drivers/net/i40e/i40e_ethdev.c  | 168 ++++++++++++++++++++++++++++++++++++++++
 drivers/net/i40e/i40e_ethdev.h  |  21 +++++
 drivers/net/i40e/rte_pmd_i40e.c |   4 +
 3 files changed, 193 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 4a2e3f2..5483622 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -65,6 +65,7 @@
 #include "i40e_rxtx.h"
 #include "i40e_pf.h"
 #include "i40e_regs.h"
+#include "rte_pmd_i40e.h"
 
 #define ETH_I40E_FLOATING_VEB_ARG	"enable_floating_veb"
 #define ETH_I40E_FLOATING_VEB_LIST_ARG	"floating_veb_list"
@@ -1034,6 +1035,24 @@ i40e_init_fdir_filter_list(struct rte_eth_dev *dev)
 	return ret;
 }
 
+static void
+i40e_init_customer_pctype(struct i40e_pf *pf)
+{
+	int i;
+
+	for (i = I40E_PERSONALIZED_GTPC; i < I40E_PERSONALIZED_MAX; i++) {
+		pf->new_pctype[i].index = i;
+		pf->new_pctype[i].pctype = I40E_INVALID_PCTYPE;
+		pf->new_pctype[i].valid = false;
+		if (i == I40E_PERSONALIZED_GTPC)
+			rte_memcpy(pf->new_pctype[i].name, "GTPC",
+				   sizeof("GTPC"));
+		else if (i == I40E_PERSONALIZED_GTPU)
+			rte_memcpy(pf->new_pctype[i].name, "GTPU",
+				   sizeof("GTPU"));
+	}
+}
+
 static int
 eth_i40e_dev_init(struct rte_eth_dev *dev)
 {
@@ -1299,6 +1318,8 @@ eth_i40e_dev_init(struct rte_eth_dev *dev)
 	/* initialize Traffic Manager configuration */
 	i40e_tm_conf_init(dev);
 
+	i40e_init_customer_pctype(pf);
+
 	ret = i40e_init_ethtype_filter_list(dev);
 	if (ret < 0)
 		goto err_init_ethtype_filter_list;
@@ -1903,6 +1924,30 @@ i40e_apply_link_speed(struct rte_eth_dev *dev)
 	return i40e_phy_conf_link(hw, abilities, speed, true);
 }
 
+static void
+i40e_config_new_pctype(struct i40e_pf *pf, bool enable)
+{
+	struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+	uint64_t hena;
+	int i;
+
+	hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0));
+	hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1))) << 32;
+
+	for (i = 0; i < I40E_PERSONALIZED_MAX; i++) {
+		if (pf->new_pctype[i].valid == true) {
+			if (enable)
+				hena |= 1ULL << pf->new_pctype[i].pctype;
+			else
+				hena &= ~(1ULL << pf->new_pctype[i].pctype);
+		}
+	}
+
+	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (uint32_t)hena);
+	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (uint32_t)(hena >> 32));
+	I40E_WRITE_FLUSH(hw);
+}
+
 static int
 i40e_dev_start(struct rte_eth_dev *dev)
 {
@@ -2048,6 +2093,8 @@ i40e_dev_start(struct rte_eth_dev *dev)
 			    "please call hierarchy_commit() "
 			    "before starting the port");
 
+	i40e_config_new_pctype(pf, true);
+
 	return I40E_SUCCESS;
 
 err_up:
@@ -2128,6 +2175,8 @@ i40e_dev_close(struct rte_eth_dev *dev)
 	uint32_t reg;
 	int i;
 
+	i40e_config_new_pctype(pf, false);
+
 	PMD_INIT_FUNC_TRACE();
 
 	i40e_dev_stop(dev);
@@ -6739,6 +6788,9 @@ i40e_get_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t *key_len)
 	return 0;
 }
 
+#define I40E_PROFILE_INFO_SIZE sizeof(struct i40e_profile_info)
+#define I40E_MAX_PROFILE_NUM 16
+
 static int
 i40e_hw_rss_hash_set(struct i40e_pf *pf, struct rte_eth_rss_conf *rss_conf)
 {
@@ -6760,6 +6812,7 @@ i40e_hw_rss_hash_set(struct i40e_pf *pf, struct rte_eth_rss_conf *rss_conf)
 	else
 		hena &= ~I40E_RSS_HENA_ALL;
 	hena |= i40e_config_hena(rss_hf, hw->mac.type);
+
 	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (uint32_t)hena);
 	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (uint32_t)(hena >> 32));
 	I40E_WRITE_FLUSH(hw);
@@ -10858,6 +10911,121 @@ is_i40e_supported(struct rte_eth_dev *dev)
 	return is_device_supported(dev, &rte_i40e_pmd);
 }
 
+struct i40e_personalized_pctype*
+i40e_find_personalized_pctype(struct i40e_pf *pf, uint8_t index)
+{
+	int i;
+
+	for (i = 0; i < I40E_PERSONALIZED_MAX; i++) {
+		if (pf->new_pctype[i].index == index)
+			return &pf->new_pctype[i];
+	}
+	return NULL;
+}
+
+void
+i40e_update_personalized_pctype(struct i40e_pf *pf, uint8_t *pkg,
+				uint32_t pkg_size)
+{
+	int proto_num;
+	struct rte_pmd_i40e_proto_info *proto;
+	int pctype_num;
+	struct rte_pmd_i40e_ptype_info *pctype;
+	struct i40e_personalized_pctype *new_pctype = NULL;
+	uint8_t proto_id;
+	uint8_t pctype_value;
+	char *name;
+	int i, j, n;
+	int ret;
+
+	/* get information about protocols */
+	ret = rte_pmd_i40e_get_ddp_info(pkg, pkg_size,
+		(uint8_t *)&proto_num, sizeof(proto_num),
+		RTE_PMD_I40E_PKG_INFO_PROTOCOL_NUM);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "Failed to get protocol number");
+		return;
+	}
+	if (!proto_num) {
+		PMD_DRV_LOG(INFO, "No new protocol added");
+		return;
+	}
+
+	proto = (struct rte_pmd_i40e_proto_info *)
+		malloc(proto_num * sizeof(struct rte_pmd_i40e_proto_info));
+	if (!proto) {
+		PMD_DRV_LOG(ERR, "Failed to allocate memory");
+		return;
+	}
+
+	ret = rte_pmd_i40e_get_ddp_info(pkg, pkg_size,
+					(uint8_t *)proto, proto_num,
+					RTE_PMD_I40E_PKG_INFO_PROTOCOL_LIST);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "Failed to get protocol list");
+		return;
+	}
+
+	/* get information about packet types */
+	ret = rte_pmd_i40e_get_ddp_info(pkg, pkg_size,
+				     (uint8_t *)&pctype_num, sizeof(pctype_num),
+				     RTE_PMD_I40E_PKG_INFO_PCTYPE_NUM);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "Failed to get pctype number");
+		free(proto);
+		return;
+	}
+	if (!proto_num) {
+		PMD_DRV_LOG(INFO, "No new pctype added");
+		free(proto);
+		return;
+	}
+	pctype = (struct rte_pmd_i40e_ptype_info *)
+		malloc(pctype_num * sizeof(struct rte_pmd_i40e_ptype_info));
+	if (!pctype) {
+		PMD_DRV_LOG(ERR, "Failed to allocate memory");
+		free(proto);
+		return;
+	}
+	ret = rte_pmd_i40e_get_ddp_info(pkg, pkg_size,
+					(uint8_t *)pctype, pctype_num,
+					RTE_PMD_I40E_PKG_INFO_PCTYPE_LIST);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "Failed to get pctype list");
+		free(pctype);
+		free(proto);
+		return;
+	}
+	for (i = 0; i < pctype_num; i++) {
+		pctype_value = pctype[i].ptype_id;
+		for (j = 0; j < RTE_PMD_I40E_PROTO_NUM; j++) {
+			proto_id = pctype[i].protocols[j];
+			if (proto_id == RTE_PMD_I40E_PROTO_UNUSED)
+				continue;
+			for (n = 0; n < proto_num; n++) {
+				if (proto[n].proto_id != proto_id)
+					continue;
+				name = proto[n].name;
+				if (!memcmp(name, "GTPC", sizeof("GTPC")))
+					new_pctype =
+					       i40e_find_personalized_pctype(pf,
+							I40E_PERSONALIZED_GTPC);
+				else if (!memcmp(name, "GTPU", sizeof("GTPU")))
+					new_pctype =
+					       i40e_find_personalized_pctype(pf,
+							I40E_PERSONALIZED_GTPU);
+				if (new_pctype) {
+					new_pctype->pctype = pctype_value;
+					new_pctype->valid = true;
+				}
+				break;
+			}
+		}
+	}
+	free(pctype);
+	free(proto);
+}
+
 /* Create a QinQ cloud filter
  *
  * The Fortville NIC has limited resources for tunnel filters,
diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index 48abc05..4f0aeda 100644
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -722,6 +722,21 @@ struct i40e_tm_conf {
 	bool committed;
 };
 
+enum i40e_new_proto {
+	I40E_PERSONALIZED_GTPC = 0,
+	I40E_PERSONALIZED_GTPU,
+	I40E_PERSONALIZED_MAX,
+};
+
+#define I40E_INVALID_PCTYPE     0xFF
+#define I40E_NEW_PROTO_NAME_LEN 8
+struct i40e_personalized_pctype {
+	uint8_t index;    /* Indicate which personalized pctype */
+	char name[I40E_NEW_PROTO_NAME_LEN];
+	uint8_t pctype;   /* New pctype value */
+	bool valid;   /* Check if it's valid */
+};
+
 /*
  * Structure to store private data specific for PF instance.
  */
@@ -786,6 +801,8 @@ struct i40e_pf {
 	bool mpls_replace_flag;  /* 1 - MPLS filter replace is done */
 	bool qinq_replace_flag;  /* QINQ filter replace is done */
 	struct i40e_tm_conf tm_conf;
+	/* customer personalized pctype */
+	struct i40e_personalized_pctype new_pctype[I40E_PERSONALIZED_MAX];
 };
 
 enum pending_msg {
@@ -1003,6 +1020,10 @@ void i40e_check_write_reg(struct i40e_hw *hw, uint32_t addr, uint32_t val);
 int i40e_tm_ops_get(struct rte_eth_dev *dev, void *ops);
 void i40e_tm_conf_init(struct rte_eth_dev *dev);
 void i40e_tm_conf_uninit(struct rte_eth_dev *dev);
+struct i40e_personalized_pctype*
+i40e_find_personalized_pctype(struct i40e_pf *pf, uint8_t index);
+void i40e_update_personalized_pctype(struct i40e_pf *pf, uint8_t *pkg,
+				     uint32_t pkg_size);
 
 #define I40E_DEV_TO_PCI(eth_dev) \
 	RTE_DEV_TO_PCI((eth_dev)->device)
diff --git a/drivers/net/i40e/rte_pmd_i40e.c b/drivers/net/i40e/rte_pmd_i40e.c
index 157fc12..f9283ce 100644
--- a/drivers/net/i40e/rte_pmd_i40e.c
+++ b/drivers/net/i40e/rte_pmd_i40e.c
@@ -1565,6 +1565,7 @@ rte_pmd_i40e_process_ddp_package(uint8_t port, uint8_t *buff,
 {
 	struct rte_eth_dev *dev;
 	struct i40e_hw *hw;
+	struct i40e_pf *pf;
 	struct i40e_package_header *pkg_hdr;
 	struct i40e_generic_seg_header *profile_seg_hdr;
 	struct i40e_generic_seg_header *metadata_seg_hdr;
@@ -1588,6 +1589,7 @@ rte_pmd_i40e_process_ddp_package(uint8_t port, uint8_t *buff,
 		return -ENOTSUP;
 
 	hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
 
 	if (size < (sizeof(struct i40e_package_header) +
 		    sizeof(struct i40e_metadata_segment) +
@@ -1608,6 +1610,8 @@ rte_pmd_i40e_process_ddp_package(uint8_t port, uint8_t *buff,
 		return -EINVAL;
 	}
 
+	i40e_update_personalized_pctype(pf, buff, size);
+
 	/* Find metadata segment */
 	metadata_seg_hdr = i40e_find_segment_in_package(SEGMENT_TYPE_METADATA,
 							pkg_hdr);
-- 
2.5.5



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