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net/nfp: use random MAC address if not configured

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Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
This commit is contained in:
Alejandro Lucero 2016-09-16 12:10:48 +01:00 committed by Bruce Richardson
parent b72a77685f
commit e6decee382
1 changed files with 16 additions and 12 deletions
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24
drivers/net/nfp/nfp_net.c
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@ -607,18 +607,8 @@ nfp_net_rx_freelist_setup(struct rte_eth_dev *dev)
static void
nfp_net_params_setup(struct nfp_net_hw *hw)
{
uint32_t *mac_address;
nn_cfg_writel(hw, NFP_NET_CFG_MTU, hw->mtu);
nn_cfg_writel(hw, NFP_NET_CFG_FLBUFSZ, hw->flbufsz);
/* A MAC address is 8 bytes long */
mac_address = (uint32_t *)(hw->mac_addr);
nn_cfg_writel(hw, NFP_NET_CFG_MACADDR,
rte_cpu_to_be_32(*mac_address));
nn_cfg_writel(hw, NFP_NET_CFG_MACADDR + 4,
rte_cpu_to_be_32(*(mac_address + 4)));
}
static void
@ -627,6 +617,17 @@ nfp_net_cfg_queue_setup(struct nfp_net_hw *hw)
hw->qcp_cfg = hw->tx_bar + NFP_QCP_QUEUE_ADDR_SZ;
}
static void nfp_net_read_mac(struct nfp_net_hw *hw)
{
uint32_t tmp;
tmp = rte_be_to_cpu_32(nn_cfg_readl(hw, NFP_NET_CFG_MACADDR));
memcpy(&hw->mac_addr[0], &tmp, sizeof(struct ether_addr));
tmp = rte_be_to_cpu_32(nn_cfg_readl(hw, NFP_NET_CFG_MACADDR + 4));
memcpy(&hw->mac_addr[4], &tmp, 2);
}
static int
nfp_net_start(struct rte_eth_dev *dev)
{
@ -2413,6 +2414,9 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
return -ENOMEM;
}
nfp_net_read_mac(hw);
if (!is_valid_assigned_ether_addr((struct ether_addr *)&hw->mac_addr))
/* Using random mac addresses for VFs */
eth_random_addr(&hw->mac_addr[0]);