net/mlx5: fix VF MAC address set over BlueField
[dpdk.git] / drivers / net / mlx5 / mlx5_mac.c
index f7e1cf6..88c52b2 100644 (file)
-/*-
- *   BSD LICENSE
- *
- *   Copyright 2015 6WIND S.A.
- *   Copyright 2015 Mellanox.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of 6WIND S.A. nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2015 6WIND S.A.
+ * Copyright 2015 Mellanox Technologies, Ltd
  */
 
 #include <stddef.h>
-#include <assert.h>
 #include <stdint.h>
 #include <string.h>
 #include <inttypes.h>
 #include <errno.h>
 #include <netinet/in.h>
-#include <linux/if.h>
 #include <sys/ioctl.h>
 #include <arpa/inet.h>
 
-/* Verbs header. */
-/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
-#ifdef PEDANTIC
-#pragma GCC diagnostic ignored "-pedantic"
-#endif
-#include <infiniband/verbs.h>
-#ifdef PEDANTIC
-#pragma GCC diagnostic error "-pedantic"
-#endif
-
-/* DPDK headers don't like -pedantic. */
-#ifdef PEDANTIC
-#pragma GCC diagnostic ignored "-pedantic"
-#endif
 #include <rte_ether.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
 #include <rte_common.h>
-#ifdef PEDANTIC
-#pragma GCC diagnostic error "-pedantic"
-#endif
 
+#include "mlx5_defs.h"
 #include "mlx5.h"
 #include "mlx5_utils.h"
+#include "mlx5_rxtx.h"
 
 /**
- * Get MAC address by querying netdevice.
+ * Remove a MAC address from the internal array.
  *
- * @param[in] priv
- *   struct priv for the requested device.
- * @param[out] mac
- *   MAC address output buffer.
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param index
+ *   MAC address index.
+ */
+static void
+mlx5_internal_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
+{
+       MLX5_ASSERT(index < MLX5_MAX_MAC_ADDRESSES);
+       if (rte_is_zero_ether_addr(&dev->data->mac_addrs[index]))
+               return;
+       mlx5_os_mac_addr_remove(dev, index);
+       memset(&dev->data->mac_addrs[index], 0, sizeof(struct rte_ether_addr));
+}
+
+/**
+ * Adds a MAC address to the internal array.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param mac_addr
+ *   MAC address to register.
+ * @param index
+ *   MAC address index.
  *
  * @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])
+static int
+mlx5_internal_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac,
+                          uint32_t index)
 {
-       struct ifreq request;
+       unsigned int i;
+       int ret;
 
-       if (priv_ifreq(priv, SIOCGIFHWADDR, &request))
-               return -1;
-       memcpy(mac, request.ifr_hwaddr.sa_data, ETHER_ADDR_LEN);
+       MLX5_ASSERT(index < MLX5_MAX_MAC_ADDRESSES);
+       if (rte_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. */
+               if (i == index)
+                       continue;
+               if (memcmp(&dev->data->mac_addrs[i], mac, sizeof(*mac)))
+                       continue;
+               /* Address already configured elsewhere, return with error. */
+               rte_errno = EADDRINUSE;
+               return -rte_errno;
+       }
+       ret = mlx5_os_mac_addr_add(dev, mac, index);
+       if (ret)
+               return ret;
+
+       dev->data->mac_addrs[index] = *mac;
        return 0;
 }
 
 /**
- * Unregister a MAC address.
+ * DPDK callback to remove a MAC address.
  *
- * @param priv
- *   Pointer to private structure.
- * @param mac_index
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param index
  *   MAC address index.
  */
-static void
-priv_mac_addr_del(struct priv *priv, unsigned int mac_index)
+void
+mlx5_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
 {
-       assert(mac_index < RTE_DIM(priv->mac));
-       if (!BITFIELD_ISSET(priv->mac_configured, mac_index))
+       int ret;
+
+       if (index >= MLX5_MAX_UC_MAC_ADDRESSES)
                return;
-       BITFIELD_RESET(priv->mac_configured, mac_index);
+       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));
+       }
 }
 
 /**
- * Register a MAC address.
+ * DPDK callback to add a MAC address.
  *
- * @param priv
- *   Pointer to private structure.
- * @param mac_index
- *   MAC address index to use.
- * @param mac
+ * @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, errno value on failure.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
-priv_mac_addr_add(struct priv *priv, unsigned int mac_index,
-                 const uint8_t (*mac)[ETHER_ADDR_LEN])
+mlx5_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac,
+                 uint32_t index, uint32_t vmdq __rte_unused)
 {
-       unsigned int i;
+       int ret;
 
-       assert(mac_index < RTE_DIM(priv->mac));
-       /* First, make sure this address isn't already configured. */
-       for (i = 0; (i != RTE_DIM(priv->mac)); ++i) {
-               /* Skip this index, it's going to be reconfigured. */
-               if (i == mac_index)
-                       continue;
-               if (!BITFIELD_ISSET(priv->mac_configured, i))
-                       continue;
-               if (memcmp(priv->mac[i].addr_bytes, *mac, sizeof(*mac)))
-                       continue;
-               /* Address already configured elsewhere, return with error. */
-               return EADDRINUSE;
+       if (index >= MLX5_MAX_UC_MAC_ADDRESSES) {
+               rte_errno = EINVAL;
+               return -rte_errno;
        }
-       if (BITFIELD_ISSET(priv->mac_configured, mac_index))
-               priv_mac_addr_del(priv, mac_index);
-       priv->mac[mac_index] = (struct ether_addr){
-               {
-                       (*mac)[0], (*mac)[1], (*mac)[2],
-                       (*mac)[3], (*mac)[4], (*mac)[5]
+       ret = mlx5_internal_mac_addr_add(dev, mac, index);
+       if (ret < 0)
+               return ret;
+       if (!dev->data->promiscuous)
+               return mlx5_traffic_restart(dev);
+       return 0;
+}
+
+/**
+ * DPDK callback to set primary MAC address.
+ *
+ * @param dev
+ *   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.
+ */
+int
+mlx5_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
+{
+       uint16_t port_id;
+       struct mlx5_priv *priv = dev->data->dev_private;
+
+       /*
+        * Configuring the VF instead of its representor,
+        * need to skip the special case of HPF on Bluefield.
+        */
+       if (priv->representor && priv->representor_id >= 0) {
+               DRV_LOG(DEBUG, "VF represented by port %u setting primary MAC address",
+                       dev->data->port_id);
+               RTE_ETH_FOREACH_DEV_SIBLING(port_id, dev->data->port_id) {
+                       priv = rte_eth_devices[port_id].data->dev_private;
+                       if (priv->master == 1) {
+                               priv = dev->data->dev_private;
+                               return mlx5_os_vf_mac_addr_modify
+                                      (priv,
+                                       mlx5_ifindex(&rte_eth_devices[port_id]),
+                                       mac_addr, priv->representor_id);
+                       }
                }
-       };
-       BITFIELD_SET(priv->mac_configured, mac_index);
+               rte_errno = -ENOTSUP;
+               return rte_errno;
+       }
+
+       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 rte_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;
 }