From: Nélio Laranjeiro <nelio.laranjeiro@6wind.com>
Date: Mon, 23 Apr 2018 11:09:28 +0000 (+0200)
Subject: net/mlx5: implement multicast add list devop
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=e0586a8d1e4e6199696a1a1e77127ac8ab71a3e6;p=dpdk.git

net/mlx5: implement multicast add list devop

Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
---

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 68783c3acc..887924d076 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -277,6 +277,7 @@ const struct eth_dev_ops mlx5_dev_ops = {
 	.mac_addr_remove = mlx5_mac_addr_remove,
 	.mac_addr_add = mlx5_mac_addr_add,
 	.mac_addr_set = mlx5_mac_addr_set,
+	.set_mc_addr_list = mlx5_set_mc_addr_list,
 	.mtu_set = mlx5_dev_set_mtu,
 	.vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
 	.vlan_offload_set = mlx5_vlan_offload_set,
@@ -329,6 +330,7 @@ const struct eth_dev_ops mlx5_dev_ops_isolate = {
 	.mac_addr_remove = mlx5_mac_addr_remove,
 	.mac_addr_add = mlx5_mac_addr_add,
 	.mac_addr_set = mlx5_mac_addr_set,
+	.set_mc_addr_list = mlx5_set_mc_addr_list,
 	.mtu_set = mlx5_dev_set_mtu,
 	.vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
 	.vlan_offload_set = mlx5_vlan_offload_set,
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 6ad41390aa..64f025d22d 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -203,6 +203,8 @@ void mlx5_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index);
 int mlx5_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac,
 		      uint32_t index, uint32_t vmdq);
 int mlx5_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr);
+int mlx5_set_mc_addr_list(struct rte_eth_dev *dev,
+			  struct ether_addr *mc_addr_set, uint32_t nb_mc_addr);
 
 /* mlx5_rss.c */
 
diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h
index e3aa03befa..5973742a7b 100644
--- a/drivers/net/mlx5/mlx5_defs.h
+++ b/drivers/net/mlx5/mlx5_defs.h
@@ -15,8 +15,11 @@
 
 /* Maximum number of simultaneous unicast MAC addresses. */
 #define MLX5_MAX_UC_MAC_ADDRESSES 128
+/* Maximum number of simultaneous Multicast MAC addresses. */
+#define MLX5_MAX_MC_MAC_ADDRESSES 128
 /* Maximum number of simultaneous MAC addresses. */
-#define MLX5_MAX_MAC_ADDRESSES MLX5_MAX_UC_MAC_ADDRESSES
+#define MLX5_MAX_MAC_ADDRESSES \
+	(MLX5_MAX_UC_MAC_ADDRESSES + MLX5_MAX_MC_MAC_ADDRESSES)
 
 /* Maximum number of simultaneous VLAN filters. */
 #define MLX5_MAX_VLAN_IDS 128
diff --git a/drivers/net/mlx5/mlx5_mac.c b/drivers/net/mlx5/mlx5_mac.c
index e9334ea4ae..672a476196 100644
--- a/drivers/net/mlx5/mlx5_mac.c
+++ b/drivers/net/mlx5/mlx5_mac.c
@@ -201,3 +201,32 @@ mlx5_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
 		dev->data->port_id);
 	return mlx5_mac_addr_add(dev, mac_addr, 0, 0);
 }
+
+/**
+ * DPDK callback to set multicast addresses list.
+ *
+ * @see rte_eth_dev_set_mc_addr_list()
+ */
+int
+mlx5_set_mc_addr_list(struct rte_eth_dev *dev,
+		      struct ether_addr *mc_addr_set, uint32_t nb_mc_addr)
+{
+	uint32_t i;
+	int ret;
+
+	if (nb_mc_addr >= MLX5_MAX_MC_MAC_ADDRESSES) {
+		rte_errno = ENOSPC;
+		return -rte_errno;
+	}
+	for (i = MLX5_MAX_UC_MAC_ADDRESSES; i != MLX5_MAX_MAC_ADDRESSES; ++i)
+		mlx5_internal_mac_addr_remove(dev, i);
+	i = MLX5_MAX_UC_MAC_ADDRESSES;
+	while (nb_mc_addr--) {
+		ret = mlx5_internal_mac_addr_add(dev, mc_addr_set++, i++);
+		if (ret)
+			return ret;
+	}
+	if (!dev->data->promiscuous)
+		return mlx5_traffic_restart(dev);
+	return 0;
+}