[dpdk-dev] [PATCH v2 4/7]i40e:implement API of VxLAN packet filter in librte_pmd_i40e

[Jijiang Liu <jijiang.liu@intel.com>]

The implementation of VxLAN packet filter in librte_pmd_i40e.

Signed-off-by: jijiangl <jijiang.liu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
Acked-by: Jing Chen <jing.d.chen@intel.com>

---
 lib/librte_pmd_i40e/i40e_ethdev.c |  112 +++++++++++++++++++++++++++++++++++++
 1 files changed, 112 insertions(+), 0 deletions(-)

diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c b/lib/librte_pmd_i40e/i40e_ethdev.c
index 3bc5379..5217d39 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev.c
@@ -211,6 +211,9 @@ static int i40e_dev_udp_tunnel_add(struct rte_eth_dev *dev,
 static int i40e_dev_udp_tunnel_del(struct rte_eth_dev *dev,
 				   struct rte_eth_udp_tunnel *udp_tunnel,
 				   uint8_t count);
+static int i40e_dev_tunnel_filter_set(struct rte_eth_dev *dev,
+			     struct rte_eth_tunnel_filter_conf *tunnel_filter,
+			     uint8_t filter_count, uint8_t add);
 static int i40e_pf_config_vxlan(struct i40e_pf *pf);
 
 /* Default hash key buffer for RSS */
@@ -265,6 +268,7 @@ static struct eth_dev_ops i40e_eth_dev_ops = {
 	.rss_hash_conf_get            = i40e_dev_rss_hash_conf_get,
 	.udp_tunnel_add               = i40e_dev_udp_tunnel_add,
 	.udp_tunnel_del               = i40e_dev_udp_tunnel_del,
+	.tunnel_filter_set            = i40e_dev_tunnel_filter_set,
 };
 
 static struct eth_driver rte_i40e_pmd = {
@@ -4120,6 +4124,114 @@ i40e_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 }
 
 static int
+i40e_dev_get_filter_type(enum rte_tunnel_filter_type filter_type, uint16_t *flag)
+{
+	switch (filter_type) {
+	case RTE_TUNNEL_FILTER_IMAC_IVLAN:
+		*flag = I40E_AQC_ADD_CLOUD_FILTER_IMAC_IVLAN;
+		break;
+	case RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID:
+		*flag = I40E_AQC_ADD_CLOUD_FILTER_IMAC_IVLAN_TEN_ID;
+		break;
+	case RTE_TUNNEL_FILTER_IMAC_TENID:
+		*flag = I40E_AQC_ADD_CLOUD_FILTER_IMAC_TEN_ID;
+		break;
+	case RTE_TUNNEL_FILTER_OMAC_TENID_IMAC:
+		*flag = I40E_AQC_ADD_CLOUD_FILTER_OMAC_TEN_ID_IMAC;
+		break;
+	case RTE_TUNNEL_FILTER_IMAC:
+		*flag = I40E_AQC_ADD_CLOUD_FILTER_IMAC;
+		break;
+	default:
+		PMD_DRV_LOG(ERR, "invalid tunnel filter type\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int
+i40e_dev_tunnel_filter_set(struct rte_eth_dev *dev,
+			struct rte_eth_tunnel_filter_conf *tunnel_filter,
+			uint8_t filter_count, uint8_t add)
+{
+	uint16_t ip_type;
+	uint8_t i, tun_type = 0;
+	enum i40e_status_code ret;
+	int val;
+	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+	struct i40e_vsi *vsi = pf->main_vsi;
+	struct i40e_aqc_add_remove_cloud_filters_element_data  *cld_filter;
+	struct i40e_aqc_add_remove_cloud_filters_element_data  *pfilter;
+
+	cld_filter = rte_zmalloc("tunnel_filter", filter_count *
+		sizeof(struct i40e_aqc_add_remove_cloud_filters_element_data),
+		0);
+
+	if (NULL == cld_filter) {
+		PMD_DRV_LOG(ERR, "Failed to alloc memory.\n");
+		return -EINVAL;
+	}
+	pfilter = cld_filter;
+
+	for (i = 0; i < filter_count; i++, tunnel_filter++, pfilter++) {
+
+		(void)rte_memcpy(&pfilter->outer_mac, tunnel_filter->outer_mac,
+				sizeof(struct ether_addr));
+		(void)rte_memcpy(&pfilter->inner_mac, tunnel_filter->inner_mac,
+				sizeof(struct ether_addr));
+
+		pfilter->inner_vlan = tunnel_filter->inner_vlan;
+		if (tunnel_filter->ip_type == RTE_TUNNEL_IPTYPE_IPV4) {
+			ip_type = I40E_AQC_ADD_CLOUD_FLAGS_IPV4;
+			(void)rte_memcpy(&pfilter->ipaddr.v4.data,
+					&tunnel_filter->ip_addr,
+					sizeof(pfilter->ipaddr.v4.data));
+		} else {
+			ip_type = I40E_AQC_ADD_CLOUD_FLAGS_IPV6;
+			(void)rte_memcpy(&pfilter->ipaddr.v6.data,
+					&tunnel_filter->ip_addr,
+					sizeof(pfilter->ipaddr.v6.data));
+		}
+
+		/* check tunnel type */
+		switch (tunnel_filter->tunnel_type) {
+		case RTE_TUNNEL_TYPE_VXLAN:
+			tun_type = I40E_AQC_ADD_CLOUD_TNL_TYPE_XVLAN;
+			break;
+		default:
+			/* Other tunnel types is not supported. */
+			PMD_DRV_LOG(ERR, "tunnel type is not supported.\n");
+			rte_free(cld_filter);
+			return -EINVAL;
+		}
+
+		val = i40e_dev_get_filter_type(tunnel_filter->filter_type,
+						&pfilter->flags);
+		if (val < 0) {
+			rte_free(cld_filter);
+			return -EINVAL;
+		}
+
+		pfilter->flags |= I40E_AQC_ADD_CLOUD_FLAGS_TO_QUEUE | ip_type |
+			(tun_type << I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT);
+		pfilter->tenant_id = tunnel_filter->tenant_id;
+		pfilter->queue_number = tunnel_filter->queue_id;
+	}
+
+	if (add)
+		ret = i40e_aq_add_cloud_filters(hw, vsi->seid, cld_filter,
+						filter_count);
+	else
+		ret = i40e_aq_remove_cloud_filters(hw, vsi->seid, cld_filter,
+						filter_count);
+	rte_free(cld_filter);
+
+	return ret;
+}
+
+static int
 i40e_get_vxlan_port_idx(struct i40e_pf *pf, uint16_t port)
 {
 	uint8_t i;
-- 
1.7.7.6