[dpdk-dev] [PATCH 3/4][PMD][GENERIC_FILTER]add ixgbe NIC filters of generic filter feature

Jingjing Wu jingjing.wu at intel.com
Tue May 20 05:53:28 CEST 2014


This patch adds following ixgbe NIC filters implement for intel NIC 82599
  syn filter, ethertype filter, 5tuple filter

Signed-off-by: jingjing.wu <jingjing.wu at intel.com>
---
 lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 365 ++++++++++++++++++++++++++++++++++++
 lib/librte_pmd_ixgbe/ixgbe_ethdev.h |  33 ++++
 2 files changed, 398 insertions(+)

diff --git a/lib/librte_pmd_ixgbe/ixgbe_ethdev.c b/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
index 89ab4aa..49ff0d1 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
@@ -181,6 +181,22 @@ static int ixgbe_mirror_rule_set(struct rte_eth_dev *dev,
 static int ixgbe_mirror_rule_reset(struct rte_eth_dev *dev,
 		uint8_t	rule_id);
 
+static int ixgbe_set_syn_filter(struct rte_eth_dev *dev,
+					   struct rte_syn_filter *filter, uint8_t rx_queue);
+static int ixgbe_get_syn_filter(struct rte_eth_dev *dev,
+					   struct rte_syn_filter *filter, uint8_t *rx_queue);
+static int ixgbe_add_ethertype_filter(struct rte_eth_dev *dev, uint16_t index, 
+					   struct rte_ethertype_filter *filter, uint8_t rx_queue);
+static int ixgbe_remove_ethertype_filter(struct rte_eth_dev *dev, uint16_t index);
+static int ixgbe_get_ethertype_filter(struct rte_eth_dev *dev, uint16_t index,
+					   struct rte_ethertype_filter *filter, uint8_t *rx_queue);
+static int ixgbe_add_5tuple_filter(struct rte_eth_dev *dev, uint16_t index,
+					   struct rte_5tuple_filter *filter, uint8_t rx_queue);
+static int ixgbe_remove_5tuple_filter(struct rte_eth_dev *dev,
+					   uint16_t index);
+static int ixgbe_get_5tuple_filter(struct rte_eth_dev *dev, uint16_t index,
+					   struct rte_5tuple_filter *filter, uint8_t *rx_queue);
+
 /*
  * Define VF Stats MACRO for Non "cleared on read" register
  */
@@ -300,6 +316,14 @@ static struct eth_dev_ops ixgbe_eth_dev_ops = {
 	.bypass_ver_show      = ixgbe_bypass_ver_show,
 	.bypass_wd_reset      = ixgbe_bypass_wd_reset,
 #endif /* RTE_NIC_BYPASS */
+	.set_syn_filter		     = ixgbe_set_syn_filter,
+	.get_syn_filter          = ixgbe_get_syn_filter,
+	.add_ethertype_filter	 = ixgbe_add_ethertype_filter,
+	.remove_ethertype_filter = ixgbe_remove_ethertype_filter,
+	.get_ethertype_filter	 = ixgbe_get_ethertype_filter,
+	.add_5tuple_filter 	     = ixgbe_add_5tuple_filter,
+	.remove_5tuple_filter	 = ixgbe_remove_5tuple_filter,
+	.get_5tuple_filter	 	 = ixgbe_get_5tuple_filter,
 };
 
 /*
@@ -3060,3 +3084,344 @@ ixgbe_mirror_rule_reset(struct rte_eth_dev *dev, uint8_t rule_id)
 
 	return 0;
 }
+
+/*
+ * set the syn filter 
+ *
+ * @param 
+ * dev: Pointer to struct rte_eth_dev.
+ * syn: 1 means enable, 0 means disable.
+ * rx_queue: the queue id the filter assigned to
+ *
+ * @return
+ *	- On success, zero.
+ *	- On failure, a negative value.
+ */
+static int
+ixgbe_set_syn_filter(struct rte_eth_dev *dev,
+					   struct rte_syn_filter *filter, uint8_t rx_queue)
+{
+	struct ixgbe_hw *hw= IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	uint32_t synqf;
+	
+	if (hw->mac.type != ixgbe_mac_82599EB)
+		return -ENOSYS;
+
+	if (rx_queue >= IXGBE_MAX_RX_QUEUE_NUM)
+		return (-EINVAL);
+	
+	synqf = IXGBE_READ_REG(hw, IXGBE_SYNQF);
+	
+    if (filter->enable)
+		synqf = (uint32_t)(((rx_queue << IXGBE_SYN_FILTER_QUEUE_SHIFT) &
+			IXGBE_SYN_FILTER_QUEUE) | IXGBE_SYN_FILTER_ENABLE);
+	else
+		synqf &= ~(IXGBE_SYN_FILTER_QUEUE | IXGBE_SYN_FILTER_ENABLE);
+
+	
+	if (filter->hig_pri)
+		synqf |= IXGBE_SYN_FILTER_SYNQFP;
+	else
+		synqf &= ~IXGBE_SYN_FILTER_SYNQFP;
+
+	IXGBE_WRITE_REG(hw, IXGBE_SYNQF, synqf);
+	
+	return 0;
+}
+
+/*
+ * get the syn filter's info
+ *
+ * @param 
+ * dev: Pointer to struct rte_eth_dev.
+ * *syn: pointer to syn value (1 means enable, 0 means disable).
+ * *rx_queue: pointer to the queue id the filter assigned to
+ *
+ * @return
+ *	- On success, zero.
+ *	- On failure, a negative value.
+ */
+static int
+ixgbe_get_syn_filter(struct rte_eth_dev *dev,
+					   struct rte_syn_filter *filter, uint8_t *rx_queue)
+
+{
+	struct ixgbe_hw *hw= IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	uint32_t synqf;
+	
+	if (hw->mac.type != ixgbe_mac_82599EB)
+		return -ENOSYS;
+
+	synqf = IXGBE_READ_REG(hw, IXGBE_SYNQF);
+	filter->enable = (synqf & IXGBE_SYN_FILTER_ENABLE) ? 1 : 0;
+	filter->hig_pri = (synqf & IXGBE_SYN_FILTER_SYNQFP) ? 1 : 0;
+	*rx_queue = (uint8_t)((synqf & IXGBE_SYN_FILTER_QUEUE)>> 1);
+
+	return 0;
+}
+
+/*
+ * add an ethertype filter
+ *
+ * @param 
+ * dev: Pointer to struct rte_eth_dev.
+ * index: the index the filter allocates
+ * filter: ponter to the filter that will be added
+ * rx_queue: the queue id the filter assigned to
+ *
+ * @return
+ *	- On success, zero.
+ *	- On failure, a negative value.
+ */
+static int
+ixgbe_add_ethertype_filter(struct rte_eth_dev *dev, 
+				uint16_t index, struct rte_ethertype_filter *filter,
+				uint8_t rx_queue)
+{
+	struct ixgbe_hw *hw= IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	uint32_t etqf, etqs = 0;
+	
+	if (hw->mac.type != ixgbe_mac_82599EB)
+		return -ENOSYS;
+	
+	if (index >= IXGBE_MAX_ETQF_FILTERS || rx_queue >= IXGBE_MAX_RX_QUEUE_NUM)
+		return (-EINVAL);
+	
+	etqf = IXGBE_READ_REG(hw, IXGBE_ETQF(index));
+	if (etqf & IXGBE_ETQF_FILTER_EN)
+		return (-EINVAL);  /** filter index is in use*/
+	
+	etqf = 0;
+	etqf |= IXGBE_ETQF_FILTER_EN;
+	etqf |= (uint32_t)filter->ethertype;
+	
+	if (filter->priority_en){
+		if (filter->priority > IXGBE_ETQF_MAX_PRI)
+			return (-EINVAL);
+		etqf |= (uint32_t)((filter->priority << IXGBE_ETQF_SHIFT ) & IXGBE_ETQF_UP);
+		etqf |= IXGBE_ETQF_UP_EN;
+	}
+	etqs |= (uint32_t)((rx_queue << IXGBE_ETQS_RX_QUEUE_SHIFT) & IXGBE_ETQS_RX_QUEUE);
+	etqs |= IXGBE_ETQS_QUEUE_EN;
+	
+	IXGBE_WRITE_REG(hw, IXGBE_ETQF(index), etqf);
+	IXGBE_WRITE_REG(hw, IXGBE_ETQS(index), etqs);
+	
+	return 0;
+}
+
+/*
+ * remove an ethertype filter
+ *
+ * @param 
+ * dev: Pointer to struct rte_eth_dev.
+ * index: the index the filter allocates
+ *
+ * @return
+ *	- On success, zero.
+ *	- On failure, a negative value.
+ */
+static int
+ixgbe_remove_ethertype_filter(struct rte_eth_dev *dev,
+					uint16_t index)
+{
+	struct ixgbe_hw *hw= IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	
+	if (hw->mac.type != ixgbe_mac_82599EB)
+		return -ENOSYS;
+	
+	if (index >= IXGBE_MAX_ETQF_FILTERS)
+		return (-EINVAL);
+	
+	IXGBE_WRITE_REG(hw, IXGBE_ETQF(index), 0);
+	IXGBE_WRITE_REG(hw, IXGBE_ETQS(index), 0);
+	
+	return 0;
+}
+
+/*
+ * gets an ethertype filter
+ *
+ * @param 
+ * dev: Pointer to struct rte_eth_dev.
+ * index: the index the filter allocates
+ * filter: ponter to the filter that will be gotten
+ * *rx_queue: the ponited of the queue id the filter assigned to
+ *
+ * @return
+ *	- On success, zero.
+ *	- On failure, a negative value.
+ */
+static int
+ixgbe_get_ethertype_filter(struct rte_eth_dev *dev,
+					uint16_t index, struct rte_ethertype_filter *filter,
+					uint8_t *rx_queue)
+{
+	struct ixgbe_hw *hw= IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	uint32_t etqf, etqs;
+	
+	if (hw->mac.type != ixgbe_mac_82599EB)
+		return -ENOSYS;
+	
+	if (index >= IXGBE_MAX_ETQF_FILTERS)
+		return (-EINVAL);
+	
+	etqf = IXGBE_READ_REG(hw, IXGBE_ETQF(index));
+	etqs = IXGBE_READ_REG(hw, IXGBE_ETQS(index));
+	if (etqf & IXGBE_ETQF_FILTER_EN){
+		filter->ethertype = etqf & IXGBE_ETQF_ETHERTYPE;
+		filter->priority_en = (etqf & IXGBE_ETQF_UP_EN)? 1 : 0;
+		if (filter->priority_en)
+			filter->priority = (etqf & IXGBE_ETQF_UP) >> 16;
+		*rx_queue = (etqs & IXGBE_ETQS_RX_QUEUE) >> IXGBE_ETQS_RX_QUEUE_SHIFT;
+		return 0;
+	}
+	
+	return (-ENOENT);
+}
+
+/*
+ * add a 5tuple filter 
+ *
+ * @param 
+ * dev: Pointer to struct rte_eth_dev.
+ * index: the index the filter allocates
+ * filter: ponter to the filter that will be added
+ * rx_queue: the queue id the filter assigned to
+ *
+ * @return
+ *	- On success, zero.
+ *	- On failure, a negative value.
+ */
+static int
+ixgbe_add_5tuple_filter(struct rte_eth_dev *dev, uint16_t index,
+					   struct rte_5tuple_filter *filter, uint8_t rx_queue)
+{
+	struct ixgbe_hw *hw= IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	uint32_t ftqf, sdpqf = 0;
+	uint32_t l34timir = 0;
+	
+	if (hw->mac.type != ixgbe_mac_82599EB)
+		return -ENOSYS;
+	
+	if (index >= IXGBE_MAX_FTQF_FILTERS || rx_queue >= IXGBE_MAX_RX_QUEUE_NUM ||
+		filter->priority > IXGBE_5TUPLE_MAX_PRI ||
+		filter->priority < IXGBE_5TUPLE_MIN_PRI)
+		return (-EINVAL);  /** filter index is out of range*/
+	
+	ftqf = IXGBE_READ_REG(hw, IXGBE_FTQF(index));
+	if (ftqf & IXGBR_FTQF_ENABLE)
+		return (-EINVAL);  /** filter index is in use*/
+	ftqf = 0;
+		
+	sdpqf = (uint32_t)(filter->dst_port << IXGBE_SDQPF_DSTPORT_SHIFT);
+	sdpqf = sdpqf |(filter->src_port & IXGBE_SDQPF_SRCPORT);
+
+	ftqf |= (uint32_t)(filter->l4type & IXGBR_FTQF_PROTOCOL);
+	ftqf |= (uint32_t)((filter->priority << IXGBR_FTQF_PRIORITY_SHIFT) & IXGBR_FTQF_PRIORITY);
+	if (filter->src_ip_mask == 1) /** 1b means not compare*/
+		ftqf |= IXGBR_FTQF_SRCIP_MASK;
+	if (filter->dst_ip_mask == 1)
+		ftqf |= IXGBR_FTQF_DSTIP_MASK;
+	if (filter->src_port_mask == 1)
+		ftqf |= IXGBR_FTQF_SRCPORT_MASK;
+	if (filter->dst_port_mask == 1)
+		ftqf |= IXGBR_FTQF_DSTPORT_MASK;
+	if (filter->l4type_mask == 1)
+		ftqf |= IXGBR_FTQF_L4TYPE_MASK;
+	ftqf |= IXGBR_FTQF_POOL_MASK;
+	ftqf |= IXGBR_FTQF_ENABLE;
+	
+	IXGBE_WRITE_REG(hw, IXGBE_DAQF(index), filter->dst_ip);
+	IXGBE_WRITE_REG(hw, IXGBE_SAQF(index), filter->src_ip);
+	IXGBE_WRITE_REG(hw, IXGBE_SDPQF(index), sdpqf);
+	IXGBE_WRITE_REG(hw, IXGBE_FTQF(index), ftqf);
+
+	l34timir |= IXGBE_L34T_IMIR_RESERVE ;
+	l34timir |= (uint32_t)(rx_queue << IXGBE_L34T_IMIR_QUEUE_SHIFT);
+	IXGBE_WRITE_REG(hw, IXGBE_L34T_IMIR(index), l34timir);
+
+	return 0;
+}
+
+/*
+ * remove a 5tuple filter 
+ *
+ * @param 
+ * dev: Pointer to struct rte_eth_dev.
+ * index: the index the filter allocates
+ *
+ * @return
+ *	- On success, zero.
+ *	- On failure, a negative value.
+ */
+static int
+ixgbe_remove_5tuple_filter(struct rte_eth_dev *dev,
+					   uint16_t index)
+{
+	struct ixgbe_hw *hw= IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+	if (hw->mac.type != ixgbe_mac_82599EB)
+		return -ENOSYS;
+	
+	if (index >= IXGBE_MAX_FTQF_FILTERS)
+		return (-EINVAL);  /** filter index is out of range*/
+	
+	IXGBE_WRITE_REG(hw, IXGBE_DAQF(index), 0);
+	IXGBE_WRITE_REG(hw, IXGBE_SAQF(index), 0);
+	IXGBE_WRITE_REG(hw, IXGBE_SDPQF(index), 0);
+	IXGBE_WRITE_REG(hw, IXGBE_FTQF(index), 0);
+	IXGBE_WRITE_REG(hw, IXGBE_FTQF(index), 0);
+	IXGBE_WRITE_REG(hw, IXGBE_L34T_IMIR(index), 0);
+	return 0;
+
+}
+
+/*
+ * get a 5tuple filter 
+ *
+ * @param 
+ * dev: Pointer to struct rte_eth_dev.
+ * index: the index the filter allocates
+ * filter: ponter to the filter that returns
+ * *rx_queue: pointer of the queue id the filter assigned to
+ *
+ * @return
+ *	- On success, zero.
+ *	- On failure, a negative value.
+ */
+static int
+ixgbe_get_5tuple_filter(struct rte_eth_dev *dev, uint16_t index,
+					   struct rte_5tuple_filter *filter, uint8_t *rx_queue)
+{
+	struct ixgbe_hw *hw= IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	uint32_t sdpqf, ftqf, l34timir;
+
+	if (hw->mac.type != ixgbe_mac_82599EB)
+		return -ENOSYS;
+	
+	if (index >= IXGBE_MAX_FTQF_FILTERS)
+		return (-EINVAL);  /** filter index is out of range*/
+	
+	ftqf = IXGBE_READ_REG(hw, IXGBE_FTQF(index));
+	if (ftqf & IXGBR_FTQF_ENABLE){
+		filter->l4type = (enum rte_filter_l4type)(ftqf & IXGBR_FTQF_PROTOCOL);
+		filter->priority = (ftqf & IXGBR_FTQF_PRIORITY) >> IXGBR_FTQF_PRIORITY_SHIFT;
+		filter->src_ip_mask = (ftqf & IXGBR_FTQF_SRCIP_MASK) ? 1 : 0;
+		filter->dst_ip_mask = (ftqf & IXGBR_FTQF_DSTIP_MASK) ? 1 : 0;
+		filter->src_port_mask = (ftqf & IXGBR_FTQF_SRCPORT_MASK) ? 1 : 0;
+		filter->dst_port_mask = (ftqf & IXGBR_FTQF_DSTPORT_MASK) ? 1 : 0;
+		filter->l4type_mask = (ftqf & IXGBR_FTQF_L4TYPE_MASK) ? 1 : 0;
+		
+		sdpqf = IXGBE_READ_REG(hw, IXGBE_SDPQF(index));
+		filter->dst_port = (sdpqf & IXGBE_SDQPF_DSTPORT) >> IXGBE_SDQPF_DSTPORT_SHIFT;
+		filter->src_port = sdpqf & IXGBE_SDQPF_SRCPORT;
+		filter->dst_ip = IXGBE_READ_REG(hw, IXGBE_DAQF(index));
+		filter->src_ip = IXGBE_READ_REG(hw, IXGBE_SAQF(index));
+
+		l34timir = IXGBE_READ_REG(hw, IXGBE_L34T_IMIR(index));
+		*rx_queue = (l34timir & IXGBE_L34T_IMIR_QUEUE) >> IXGBE_L34T_IMIR_QUEUE_SHIFT;
+		return 0;
+	}
+	return (-ENOENT);
+}
diff --git a/lib/librte_pmd_ixgbe/ixgbe_ethdev.h b/lib/librte_pmd_ixgbe/ixgbe_ethdev.h
index 9d7e93f..7c6139b 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_ethdev.h
+++ b/lib/librte_pmd_ixgbe/ixgbe_ethdev.h
@@ -67,6 +67,39 @@
 #define IXGBE_LPBK_82599_NONE		0x0 /* Default value. Loopback is disabled. */
 #define IXGBE_LPBK_82599_TX_RX		0x1 /* Tx->Rx loopback operation is enabled. */
 
+#define IXGBE_SYN_FILTER_ENABLE			0x00000001 /** syn filter enable field*/
+#define IXGBE_SYN_FILTER_QUEUE      	0x000000FE /** syn filter queue field*/
+#define IXGBE_SYN_FILTER_QUEUE_SHIFT 	1        /** syn filter queue field shift*/
+#define IXGBE_SYN_FILTER_SYNQFP     	0x80000000 /**syn filter SYNQFP*/
+
+#define IXGBE_ETQF_UP 			0x00070000 /** ethertype filter priority field*/ 
+#define IXGBE_ETQF_SHIFT 		16
+#define IXGBE_ETQF_UP_EN 		0x00080000
+#define IXGBE_ETQF_ETHERTYPE 	0x0000FFFF /** ethertype filter ethertype field*/
+#define IXGBE_ETQF_MAX_PRI 		7
+
+#define IXGBE_SDQPF_DSTPORT			0xFFFF0000 /** dst port field */
+#define IXGBE_SDQPF_DSTPORT_SHIFT	16 /** dst port field shift*/
+#define IXGBE_SDQPF_SRCPORT			0x0000FFFF /** src port field */
+#define IXGBR_FTQF_PROTOCOL			0x00000003 /** protocol */
+#define IXGBR_FTQF_PRIORITY			0x0000001C /** priority */
+#define IXGBR_FTQF_PRIORITY_SHIFT   2
+#define IXGBR_FTQF_SRCIP_MASK   	0x02000000 /** src IP mask */
+#define IXGBR_FTQF_DSTIP_MASK   	0x04000000 /** dst IP mask */
+#define IXGBR_FTQF_SRCPORT_MASK 	0x08000000 /** src port mask */
+#define IXGBR_FTQF_DSTPORT_MASK 	0x10000000 /** dst port mask */
+#define IXGBR_FTQF_L4TYPE_MASK		0x20000000 /** protocol mask */
+#define IXGBR_FTQF_POOL_MASK		0x40000000 /** pool mask */
+#define IXGBR_FTQF_ENABLE			0x80000000 /** enable bit */
+#define IXGBR_FTQF_PRIORITY_DEFAULT 0x00000004
+#define IXGBE_L34T_IMIR_SIZE_BP		0x00001000
+#define IXGBE_L34T_IMIR_RESERVE  	0x00080000 /** bit 13 to 19 must be set to 1000000b*/
+#define IXGBE_L34T_IMIR_LLI			0x00100000
+#define IXGBE_L34T_IMIR_QUEUE       0x0FE00000
+#define IXGBE_L34T_IMIR_QUEUE_SHIFT 21
+#define IXGBE_5TUPLE_MAX_PRI 		7
+#define IXGBE_5TUPLE_MIN_PRI 		1
+
 /*
  * Information about the fdir mode.
  */
-- 
1.8.1.4



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