fm10k: support promiscuous mode

Add functions to support promiscuous/allmulticast enable and
disable.

Signed-off-by: Chen Jing D(Mark) <jing.d.chen@intel.com>
Tested-by: Michael Qiu <michael.qiu@intel.com>
Acked-by: Michael Qiu <michael.qiu@intel.com>

diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index 4afd5ab..2678190 100644 (file)
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -51,6 +51,11 @@
 #define BIT_MASK_PER_UINT32 ((1 << CHARS_PER_UINT32) - 1)
 
 static void fm10k_close_mbx_service(struct fm10k_hw *hw);
+static void fm10k_dev_promiscuous_enable(struct rte_eth_dev *dev);
+static void fm10k_dev_promiscuous_disable(struct rte_eth_dev *dev);
+static void fm10k_dev_allmulticast_enable(struct rte_eth_dev *dev);
+static void fm10k_dev_allmulticast_disable(struct rte_eth_dev *dev);
+static inline int fm10k_glort_valid(struct fm10k_hw *hw);
 
 static void
 fm10k_mbx_initlock(struct fm10k_hw *hw)
@@ -566,6 +571,119 @@ fm10k_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
        return 0;
 }
 
+static inline int fm10k_glort_valid(struct fm10k_hw *hw)
+{
+       return ((hw->mac.dglort_map & FM10K_DGLORTMAP_NONE)
+               != FM10K_DGLORTMAP_NONE);
+}
+
+static void
+fm10k_dev_promiscuous_enable(struct rte_eth_dev *dev)
+{
+       struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       int status;
+
+       PMD_INIT_FUNC_TRACE();
+
+       /* Return if it didn't acquire valid glort range */
+       if (!fm10k_glort_valid(hw))
+               return;
+
+       fm10k_mbx_lock(hw);
+       status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
+                               FM10K_XCAST_MODE_PROMISC);
+       fm10k_mbx_unlock(hw);
+
+       if (status != FM10K_SUCCESS)
+               PMD_INIT_LOG(ERR, "Failed to enable promiscuous mode");
+}
+
+static void
+fm10k_dev_promiscuous_disable(struct rte_eth_dev *dev)
+{
+       struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint8_t mode;
+       int status;
+
+       PMD_INIT_FUNC_TRACE();
+
+       /* Return if it didn't acquire valid glort range */
+       if (!fm10k_glort_valid(hw))
+               return;
+
+       if (dev->data->all_multicast == 1)
+               mode = FM10K_XCAST_MODE_ALLMULTI;
+       else
+               mode = FM10K_XCAST_MODE_NONE;
+
+       fm10k_mbx_lock(hw);
+       status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
+                               mode);
+       fm10k_mbx_unlock(hw);
+
+       if (status != FM10K_SUCCESS)
+               PMD_INIT_LOG(ERR, "Failed to disable promiscuous mode");
+}
+
+static void
+fm10k_dev_allmulticast_enable(struct rte_eth_dev *dev)
+{
+       struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       int status;
+
+       PMD_INIT_FUNC_TRACE();
+
+       /* Return if it didn't acquire valid glort range */
+       if (!fm10k_glort_valid(hw))
+               return;
+
+       /* If promiscuous mode is enabled, it doesn't make sense to enable
+        * allmulticast and disable promiscuous since fm10k only can select
+        * one of the modes.
+        */
+       if (dev->data->promiscuous) {
+               PMD_INIT_LOG(INFO, "Promiscuous mode is enabled, "\
+                       "needn't enable allmulticast");
+               return;
+       }
+
+       fm10k_mbx_lock(hw);
+       status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
+                               FM10K_XCAST_MODE_ALLMULTI);
+       fm10k_mbx_unlock(hw);
+
+       if (status != FM10K_SUCCESS)
+               PMD_INIT_LOG(ERR, "Failed to enable allmulticast mode");
+}
+
+static void
+fm10k_dev_allmulticast_disable(struct rte_eth_dev *dev)
+{
+       struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       int status;
+
+       PMD_INIT_FUNC_TRACE();
+
+       /* Return if it didn't acquire valid glort range */
+       if (!fm10k_glort_valid(hw))
+               return;
+
+       if (dev->data->promiscuous) {
+               PMD_INIT_LOG(ERR, "Failed to disable allmulticast mode "\
+                       "since promisc mode is enabled");
+               return;
+       }
+
+       fm10k_mbx_lock(hw);
+       /* Change mode to unicast mode */
+       status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
+                               FM10K_XCAST_MODE_NONE);
+       fm10k_mbx_unlock(hw);
+
+       if (status != FM10K_SUCCESS)
+               PMD_INIT_LOG(ERR, "Failed to disable allmulticast mode");
+}
+
 /* fls = find last set bit = 32 minus the number of leading zeros */
 #ifndef fls
 #define fls(x) (((x) == 0) ? 0 : (32 - __builtin_clz((x))))
@@ -1654,6 +1772,10 @@ static const struct eth_dev_ops fm10k_eth_dev_ops = {
        .dev_start              = fm10k_dev_start,
        .dev_stop               = fm10k_dev_stop,
        .dev_close              = fm10k_dev_close,
+       .promiscuous_enable     = fm10k_dev_promiscuous_enable,
+       .promiscuous_disable    = fm10k_dev_promiscuous_disable,
+       .allmulticast_enable    = fm10k_dev_allmulticast_enable,
+       .allmulticast_disable   = fm10k_dev_allmulticast_disable,
        .stats_get              = fm10k_stats_get,
        .stats_reset            = fm10k_stats_reset,
        .link_update            = fm10k_link_update,
@@ -1819,7 +1941,7 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev)
         * API func.
         */
        hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
-                                       FM10K_XCAST_MODE_MULTI);
+                                       FM10K_XCAST_MODE_NONE);
 
        fm10k_mbx_unlock(hw);