8fd92a66c6
Signed-off-by: Olivier Matz <olivier.matz@6wind.com> Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com> Acked-by: Bruce Richardson <bruce.richardson@intel.com> Acked-by: Thomas Monjalon <thomas@monjalon.net>
128 lines
2.8 KiB
C
128 lines
2.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2015 6WIND S.A.
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* Copyright 2015 Mellanox.
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*/
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#include <stddef.h>
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#include <assert.h>
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#include <stdint.h>
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#include <string.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <netinet/in.h>
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#include <sys/ioctl.h>
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#include <arpa/inet.h>
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/* Verbs header. */
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/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
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#ifdef PEDANTIC
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#pragma GCC diagnostic ignored "-Wpedantic"
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#endif
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#include <infiniband/verbs.h>
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#ifdef PEDANTIC
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#pragma GCC diagnostic error "-Wpedantic"
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#endif
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#include <rte_ether.h>
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#include <rte_ethdev_driver.h>
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#include <rte_common.h>
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#include "mlx5.h"
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#include "mlx5_utils.h"
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#include "mlx5_rxtx.h"
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#include "mlx5_defs.h"
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/**
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* Get MAC address by querying netdevice.
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*
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* @param[in] priv
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* struct priv for the requested device.
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* @param[out] mac
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* MAC address output buffer.
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*
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* @return
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* 0 on success, -1 on failure and errno is set.
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*/
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int
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priv_get_mac(struct priv *priv, uint8_t (*mac)[ETHER_ADDR_LEN])
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{
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struct ifreq request;
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if (priv_ifreq(priv, SIOCGIFHWADDR, &request))
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return -1;
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memcpy(mac, request.ifr_hwaddr.sa_data, ETHER_ADDR_LEN);
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return 0;
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}
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/**
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* DPDK callback to remove a MAC address.
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*
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* @param dev
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* Pointer to Ethernet device structure.
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* @param index
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* MAC address index.
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*/
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void
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mlx5_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
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{
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assert(index < MLX5_MAX_MAC_ADDRESSES);
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memset(&dev->data->mac_addrs[index], 0, sizeof(struct ether_addr));
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if (!dev->data->promiscuous)
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mlx5_traffic_restart(dev);
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}
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/**
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* DPDK callback to add a MAC address.
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*
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* @param dev
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* Pointer to Ethernet device structure.
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* @param mac_addr
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* MAC address to register.
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* @param index
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* MAC address index.
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* @param vmdq
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* VMDq pool index to associate address with (ignored).
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*
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* @return
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* 0 on success.
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*/
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int
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mlx5_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac,
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uint32_t index, uint32_t vmdq)
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{
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unsigned int i;
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int ret = 0;
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(void)vmdq;
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assert(index < MLX5_MAX_MAC_ADDRESSES);
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/* First, make sure this address isn't already configured. */
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for (i = 0; (i != MLX5_MAX_MAC_ADDRESSES); ++i) {
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/* Skip this index, it's going to be reconfigured. */
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if (i == index)
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continue;
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if (memcmp(&dev->data->mac_addrs[i], mac, sizeof(*mac)))
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continue;
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/* Address already configured elsewhere, return with error. */
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return EADDRINUSE;
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}
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dev->data->mac_addrs[index] = *mac;
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if (!dev->data->promiscuous)
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mlx5_traffic_restart(dev);
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return ret;
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}
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/**
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* DPDK callback to set primary MAC address.
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*
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* @param dev
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* Pointer to Ethernet device structure.
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* @param mac_addr
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* MAC address to register.
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*/
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void
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mlx5_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
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{
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DEBUG("%p: setting primary MAC address", (void *)dev);
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mlx5_mac_addr_add(dev, mac_addr, 0, 0);
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}
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