net/i40e: add flow validate function

This patch adds i40e_flow_validation function to check if a flow is valid according to the flow pattern. i40e_flow_parse_ethertype_filter is added first, it also gets the ethertype info. i40e_flow.c is added to handle all generic filter events. Signed-off-by: Beilei Xing <[email protected]> Acked-by: Jingjing Wu <[email protected]>
DPDK · Jan 17, 2017 · 86eb05d · 86eb05d
1 parent 38e9fa6
commit 86eb05d
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Showing 4 changed files with 523 additions and 5 deletions.
diff --git a/drivers/net/i40e/Makefile b/drivers/net/i40e/Makefile
@@ -105,6 +105,7 @@ endif
 SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_ethdev_vf.c
 SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_pf.c
 SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_fdir.c
+SRCS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e_flow.c
 
 # vector PMD driver needs SSE4.1 support
 ifeq ($(findstring RTE_MACHINE_CPUFLAG_SSE4_1,$(CFLAGS)),)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
@@ -285,11 +285,6 @@
 #define I40E_INSET_IPV6_HOP_LIMIT_MASK  0x000CFF00UL
 #define I40E_INSET_IPV6_NEXT_HDR_MASK   0x000C00FFUL
 
-#define I40E_GL_SWT_L2TAGCTRL(_i)             (0x001C0A70 + ((_i) * 4))
-#define I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_SHIFT 16
-#define I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_MASK  \
-	I40E_MASK(0xFFFF, I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_SHIFT)
-
 /* PCI offset for querying capability */
 #define PCI_DEV_CAP_REG            0xA4
 /* PCI offset for enabling/disabling Extended Tag */
@@ -8573,6 +8568,11 @@ i40e_dev_filter_ctrl(struct rte_eth_dev *dev,
 	case RTE_ETH_FILTER_FDIR:
 		ret = i40e_fdir_ctrl_func(dev, filter_op, arg);
 		break;
+	case RTE_ETH_FILTER_GENERIC:
+		if (filter_op != RTE_ETH_FILTER_GET)
+			return -EINVAL;
+		*(const void **)arg = &i40e_flow_ops;
+		break;
 	default:
 		PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
 							filter_type);

diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
@@ -38,6 +38,7 @@
 #include <rte_time.h>
 #include <rte_kvargs.h>
 #include <rte_hash.h>
+#include <rte_flow_driver.h>
 
 #define I40E_VLAN_TAG_SIZE        4
 
@@ -189,6 +190,11 @@ enum i40e_flxpld_layer_idx {
 #define FLOATING_VEB_SUPPORTED_FW_MAJ 5
 #define FLOATING_VEB_SUPPORTED_FW_MIN 0
 
+#define I40E_GL_SWT_L2TAGCTRL(_i)             (0x001C0A70 + ((_i) * 4))
+#define I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_SHIFT 16
+#define I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_MASK  \
+	I40E_MASK(0xFFFF, I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_SHIFT)
+
 struct i40e_adapter;
 
 /**
@@ -629,6 +635,25 @@ struct i40e_adapter {
 	struct rte_timecounter tx_tstamp_tc;
 };
 
+extern const struct rte_flow_ops i40e_flow_ops;
+
+union i40e_filter_t {
+	struct rte_eth_ethertype_filter ethertype_filter;
+	struct rte_eth_fdir_filter fdir_filter;
+	struct rte_eth_tunnel_filter_conf tunnel_filter;
+};
+
+typedef int (*parse_filter_t)(struct rte_eth_dev *dev,
+			      const struct rte_flow_attr *attr,
+			      const struct rte_flow_item pattern[],
+			      const struct rte_flow_action actions[],
+			      struct rte_flow_error *error,
+			      union i40e_filter_t *filter);
+struct i40e_valid_pattern {
+	enum rte_flow_item_type *items;
+	parse_filter_t parse_filter;
+};
+
 int i40e_dev_switch_queues(struct i40e_pf *pf, bool on);
 int i40e_vsi_release(struct i40e_vsi *vsi);
 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf,