New upstream version 18.08upstream/18.08

Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 132 insertions, 27 deletions

diff --git a/drivers/net/mlx5/mlx5_mac.c b/drivers/net/mlx5/mlx5_mac.c
index e8a8d459..12ee37f5 100644
--- a/drivers/net/mlx5/mlx5_mac.c
+++ b/drivers/net/mlx5/mlx5_mac.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright 2015 6WIND S.A.
- * Copyright 2015 Mellanox.
+ * Copyright 2015 Mellanox Technologies, Ltd
  */
 
 #include <stddef.h>
@@ -35,44 +35,52 @@
 /**
  * Get MAC address by querying netdevice.
  *
- * @param[in] priv
- *   struct priv for the requested device.
+ * @param[in] dev
+ *   Pointer to Ethernet device.
  * @param[out] mac
  *   MAC address output buffer.
  *
  * @return
- *   0 on success, -1 on failure and errno is set.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
-priv_get_mac(struct priv *priv, uint8_t (*mac)[ETHER_ADDR_LEN])
+mlx5_get_mac(struct rte_eth_dev *dev, uint8_t (*mac)[ETHER_ADDR_LEN])
 {
 	struct ifreq request;
+	int ret;
 
-	if (priv_ifreq(priv, SIOCGIFHWADDR, &request))
-		return -1;
+	ret = mlx5_ifreq(dev, SIOCGIFHWADDR, &request, 0);
+	if (ret)
+		return ret;
 	memcpy(mac, request.ifr_hwaddr.sa_data, ETHER_ADDR_LEN);
 	return 0;
 }
 
 /**
- * DPDK callback to remove a MAC address.
+ * Remove a MAC address from the internal array.
  *
  * @param dev
  *   Pointer to Ethernet device structure.
  * @param index
  *   MAC address index.
  */
-void
-mlx5_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
+static void
+mlx5_internal_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
 {
+	struct priv *priv = dev->data->dev_private;
+	const int vf = priv->config.vf;
+
 	assert(index < MLX5_MAX_MAC_ADDRESSES);
+	if (is_zero_ether_addr(&dev->data->mac_addrs[index]))
+		return;
+	if (vf)
+		mlx5_nl_mac_addr_remove(dev, &dev->data->mac_addrs[index],
+					index);
 	memset(&dev->data->mac_addrs[index], 0, sizeof(struct ether_addr));
-	if (!dev->data->promiscuous)
-		mlx5_traffic_restart(dev);
 }
 
 /**
- * DPDK callback to add a MAC address.
+ * Adds a MAC address to the internal array.
  *
  * @param dev
  *   Pointer to Ethernet device structure.
@@ -80,21 +88,23 @@ mlx5_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
  *   MAC address to register.
  * @param index
  *   MAC address index.
- * @param vmdq
- *   VMDq pool index to associate address with (ignored).
  *
  * @return
- *   0 on success.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-int
-mlx5_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac,
-		  uint32_t index, uint32_t vmdq)
+static int
+mlx5_internal_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac,
+			   uint32_t index)
 {
+	struct priv *priv = dev->data->dev_private;
+	const int vf = priv->config.vf;
 	unsigned int i;
-	int ret = 0;
 
-	(void)vmdq;
 	assert(index < MLX5_MAX_MAC_ADDRESSES);
+	if (is_zero_ether_addr(mac)) {
+		rte_errno = EINVAL;
+		return -rte_errno;
+	}
 	/* First, make sure this address isn't already configured. */
 	for (i = 0; (i != MLX5_MAX_MAC_ADDRESSES); ++i) {
 		/* Skip this index, it's going to be reconfigured. */
@@ -103,12 +113,74 @@ mlx5_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac,
 		if (memcmp(&dev->data->mac_addrs[i], mac, sizeof(*mac)))
 			continue;
 		/* Address already configured elsewhere, return with error. */
-		return EADDRINUSE;
+		rte_errno = EADDRINUSE;
+		return -rte_errno;
+	}
+	if (vf) {
+		int ret = mlx5_nl_mac_addr_add(dev, mac, index);
+
+		if (ret)
+			return ret;
 	}
 	dev->data->mac_addrs[index] = *mac;
+	return 0;
+}
+
+/**
+ * DPDK callback to remove a MAC address.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param index
+ *   MAC address index.
+ */
+void
+mlx5_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
+{
+	int ret;
+
+	if (index >= MLX5_MAX_UC_MAC_ADDRESSES)
+		return;
+	mlx5_internal_mac_addr_remove(dev, index);
+	if (!dev->data->promiscuous) {
+		ret = mlx5_traffic_restart(dev);
+		if (ret)
+			DRV_LOG(ERR, "port %u cannot restart traffic: %s",
+				dev->data->port_id, strerror(rte_errno));
+	}
+}
+
+/**
+ * DPDK callback to add a MAC address.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param mac_addr
+ *   MAC address to register.
+ * @param index
+ *   MAC address index.
+ * @param vmdq
+ *   VMDq pool index to associate address with (ignored).
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac,
+		  uint32_t index, uint32_t vmdq __rte_unused)
+{
+	int ret;
+
+	if (index >= MLX5_MAX_UC_MAC_ADDRESSES) {
+		rte_errno = EINVAL;
+		return -rte_errno;
+	}
+	ret = mlx5_internal_mac_addr_add(dev, mac, index);
+	if (ret < 0)
+		return ret;
 	if (!dev->data->promiscuous)
-		mlx5_traffic_restart(dev);
-	return ret;
+		return mlx5_traffic_restart(dev);
+	return 0;
 }
 
 /**
@@ -118,10 +190,43 @@ mlx5_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac,
  *   Pointer to Ethernet device structure.
  * @param mac_addr
  *   MAC address to register.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
-void
+int
 mlx5_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
 {
-	DEBUG("%p: setting primary MAC address", (void *)dev);
-	mlx5_mac_addr_add(dev, mac_addr, 0, 0);
+	DRV_LOG(DEBUG, "port %u setting primary MAC address",
+		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;
 }