This patch adds ability to route TCP packets according to SYN flag presence to
certain queue.
---
lib/librte_ether/rte_ethdev.c | 66 +++++++++++++++++++++++++++++++++
lib/librte_ether/rte_ethdev.h | 63 +++++++++++++++++++++++++++++++
lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h | 6 +++
lib/librte_pmd_ixgbe/ixgbe_ethdev.c | 57 +++++++++++++++++++++++++++-
4 files changed, 191 insertions(+), 1 deletion(-)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 5cd0148..4597176 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1195,6 +1195,72 @@ rte_eth_dev_get_vlan_offload(uint8_t port_id)
}
int
+rte_eth_dev_synq_add_filter(uint8_t port_id, struct rte_eth_synq_filter
*filter)
+{
+ struct rte_eth_dev *dev;
+ struct rte_eth_dev_info info;
+
+ rte_eth_dev_info_get(port_id, &info);
+
+ if (port_id >= nb_ports) {
+ PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+ return (-ENODEV);
+ }
+
+ dev = &rte_eth_devices[port_id];
+
+ if (filter == NULL) {
+ PMD_DEBUG_TRACE("Invalid filter pointer\n");
+ return (-EINVAL);
+ }
+
+ if(filter->rx_queue >= info.max_rx_queues) {
+ PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", filter->rx_queue);
+ return (-EINVAL);
+ }
+
+ FUNC_PTR_OR_ERR_RET(*dev->dev_ops->synq_add_filter, -ENOTSUP);
+ return (*dev->dev_ops->synq_add_filter)(dev, filter);
+}
+
+int
+rte_eth_dev_synq_get_filter(uint8_t port_id, struct rte_eth_synq_filter
*filter)
+{
+ struct rte_eth_dev *dev;
+
+ if (port_id >= nb_ports) {
+ PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+ return (-ENODEV);
+ }
+
+ dev = &rte_eth_devices[port_id];
+
+ if (filter == NULL) {
+ PMD_DEBUG_TRACE("Invalid filter pointer\n");
+ return (-EINVAL);
+ }
+
+ FUNC_PTR_OR_ERR_RET(*dev->dev_ops->synq_add_filter, -ENOTSUP);
+ return (*dev->dev_ops->synq_get_filter)(dev, filter);
+}
+
+int
+rte_eth_dev_synq_del_filter(uint8_t port_id)
+{
+ struct rte_eth_dev *dev;
+
+ if (port_id >= nb_ports) {
+ PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+ return (-ENODEV);
+ }
+
+ dev = &rte_eth_devices[port_id];
+
+ FUNC_PTR_OR_ERR_RET(*dev->dev_ops->synq_add_filter, -ENOTSUP);
+ return (*dev->dev_ops->synq_del_filter)(dev);
+}
+
+int
rte_eth_dev_l2_etype_add_filter(uint8_t port_id, uint8_t filter_id, struct
rte_eth_l2etype_filter *filter)
{
struct rte_eth_dev *dev;
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 0e6326e..6b90aed 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -562,6 +562,14 @@ struct rte_eth_pfc_conf {
};
/**
+ * A structure used to configure SYN Packet queue Filters
+ */
+struct rte_eth_synq_filter {
+ uint8_t rx_queue;
+ uint8_t synq_first; /**< Defines the priority between SYNQF and
5-tuple filter. */
+};
+
+/**
* A structure used to configure L2 Ethertype Filters
*/
struct rte_eth_l2etype_filter {
@@ -926,6 +934,15 @@ typedef uint16_t (*eth_tx_burst_t)(void *txq,
uint16_t nb_pkts);
/**< @internal Send output packets on a transmit queue of an Ethernet device.
*/
+typedef int (*synq_add_filter_t)(struct rte_eth_dev *dev, struct
rte_eth_synq_filter *filter);
+/**< @internal Setup SYN Packer queue filter */
+
+typedef int (*synq_get_filter_t)(struct rte_eth_dev *dev, struct
rte_eth_synq_filter *filter);
+/**< @internal Get SYN Packer queue filter */
+
+typedef int (*synq_del_filter_t)(struct rte_eth_dev *dev);
+/**< @internal Delete SYN Packer queue filter */
+
typedef int (*l2_etype_add_filter_t)(struct rte_eth_dev *dev, uint8_t
filter_id, struct rte_eth_l2etype_filter *filter);
/**< @internal Setup a new L2 Ethertype filter */
@@ -1144,6 +1161,12 @@ struct eth_dev_ops {
eth_set_vf_tx_t set_vf_tx; /**< enable/disable a VF
transmit */
eth_set_vf_vlan_filter_t set_vf_vlan_filter; /**< Set VF VLAN filter
*/
+ /** Setup a SYN Packet queue filter. */
+ synq_add_filter_t synq_add_filter;
+ /** Get a SYN Packet queue filter. */
+ synq_get_filter_t synq_get_filter;
+ /** Delete a SYN Packet queue filter. */
+ synq_del_filter_t synq_del_filter;
/** Setup a L2 Ethertype filter. */
l2_etype_add_filter_t l2_etype_add_filter;
/** Get a L2 Ethertype filter. */
@@ -2139,6 +2162,46 @@ rte_eth_tx_burst(uint8_t port_id, uint16_t queue_id,
#endif
/**
+ * Setup SYN Packet queue filter
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param filter
+ * The pointer to the synq filter structure.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if hardware doesn't support SYN Packet queue filters.
+ * - (-ENODEV) if *port_id* invalid.
+ * - (-EINVAL) if *filter* invalid.
+*/
+int rte_eth_dev_synq_add_filter(uint8_t port_id, struct rte_eth_synq_filter
*filter);
+
+/**
+ * Get SYN Packet queue filter
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @param filter
+ * The pointer to the synq filter structure.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if hardware doesn't support SYN Packet queue filters.
+ * - (-ENODEV) if *port_id* invalid.
+ * - (-ENOENT) if SYN Packet filter inactive
+ * - (-EINVAL) if *filter* pointer is NULL
+*/
+int rte_eth_dev_synq_get_filter(uint8_t port_id, struct rte_eth_synq_filter
*filter);
+
+/**
+ * Clear SYN Packet queue filter
+ * @param port_id
+ * The port identifier of the Ethernet device.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if hardware doesn't support SYN Packet queue filters.
+ * - (-ENODEV) if *port_id* invalid.
+*/
+int rte_eth_dev_synq_del_filter(uint8_t port_id);
+
+/**
* Setup L2 Ethertype queue filter
* @param port_id
* The port identifier of the Ethernet device.
diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
index 28653d5..8f911ff 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_type.h
@@ -1529,6 +1529,12 @@ enum {
#define IXGBE_IVAR_ALLOC_VAL 0x80 /* Interrupt Allocation valid */
+/* SYN Packet Queue Filter */
+#define IXGBE_SYNQF_EN 0x00000001
+#define IXGBE_SYNQF_RX_QUEUE 0x000000FE
+#define IXGBE_SYNQF_SHIFT 1
+#define IXGBE_SYNQF_SYN_FIRST (1 << 31) /* bit 31 */
+
/* ETYPE Queue Filter/Select Bit Masks */
#define IXGBE_MAX_ETQF_FILTERS 8
#define IXGBE_ETQF_FCOE 0x08000000 /* bit 27 */
diff --git a/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
b/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
index e1604e5..8ed637b 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_ethdev.c
@@ -146,7 +146,9 @@ static void ixgbe_add_rar(struct rte_eth_dev *dev, struct
ether_addr *mac_addr,
uint32_t index, uint32_t pool);
static void ixgbe_remove_rar(struct rte_eth_dev *dev, uint32_t index);
static void ixgbe_dcb_init(struct ixgbe_hw *hw,struct ixgbe_dcb_config
*dcb_config);
-
+static int ixgbe_synq_add_filter(struct rte_eth_dev *dev, struct
rte_eth_synq_filter *filter);
+static int ixgbe_synq_get_filter(struct rte_eth_dev *dev, struct
rte_eth_synq_filter *filter);
+static int ixgbe_synq_del_filter(struct rte_eth_dev *dev);
static int ixgbe_l2_etype_add_filter(struct rte_eth_dev *dev, uint8_t
filter_id, struct rte_eth_l2etype_filter *filter);
static int ixgbe_l2_etype_get_filter(struct rte_eth_dev *dev, uint8_t
filter_id, struct rte_eth_l2etype_filter *filter);
static int ixgbe_l2_etype_del_filter(struct rte_eth_dev *dev, uint8_t
filter_id);
@@ -283,6 +285,9 @@ static struct eth_dev_ops ixgbe_eth_dev_ops = {
.set_vf_rx = ixgbe_set_pool_rx,
.set_vf_tx = ixgbe_set_pool_tx,
.set_vf_vlan_filter = ixgbe_set_pool_vlan_filter,
+ .synq_add_filter = ixgbe_synq_add_filter,
+ .synq_get_filter = ixgbe_synq_get_filter,
+ .synq_del_filter = ixgbe_synq_del_filter,
.l2_etype_add_filter = ixgbe_l2_etype_add_filter,
.l2_etype_get_filter = ixgbe_l2_etype_get_filter,
.l2_etype_del_filter = ixgbe_l2_etype_del_filter,
@@ -3069,6 +3074,56 @@ ixgbe_mirror_rule_reset(struct rte_eth_dev *dev, uint8_t
rule_id)
}
static int
+ixgbe_synq_add_filter(struct rte_eth_dev *dev, struct rte_eth_synq_filter
*filter)
+{
+ struct ixgbe_hw *hw= IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint32_t synqf = 0;
+
+ if (hw->mac.type != ixgbe_mac_82599EB)
+ return (-ENOSYS);
+
+ synqf = IXGBE_SYNQF_EN;
+ synqf |= filter->rx_queue << IXGBE_SYNQF_SHIFT;
+
+ if(filter->synq_first)
+ synqf |= IXGBE_SYNQF_SYN_FIRST;
+
+ IXGBE_WRITE_REG(hw, IXGBE_SYNQF, synqf);
+ return 0;
+}
+
+static int
+ixgbe_synq_get_filter(struct rte_eth_dev *dev, struct rte_eth_synq_filter
*filter)
+{
+ 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);
+
+ if (!(synqf & IXGBE_SYNQF_EN))
+ return (-ENOENT);
+
+ filter->rx_queue = (synqf & IXGBE_SYNQF_RX_QUEUE) >> IXGBE_SYNQF_SHIFT;
+ filter->synq_first = synqf & IXGBE_SYNQF_SYN_FIRST;
+ return 0;
+}
+
+static int
+ixgbe_synq_del_filter(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw= IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (hw->mac.type != ixgbe_mac_82599EB)
+ return (-ENOSYS);
+
+ IXGBE_WRITE_REG(hw, IXGBE_SYNQF, 0);
+ return 0;
+}
+
+static int
ixgbe_l2_etype_add_filter(struct rte_eth_dev *dev, uint8_t filter_id, struct
rte_eth_l2etype_filter *filter)
{
struct ixgbe_hw *hw= IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
--
1.8.3.2
