From 8be94df6e9f5f70516cb86d82dd04fefaa0fe8b3 Mon Sep 17 00:00:00 2001 From: Ricardo Salveti Date: Mon, 18 Jul 2016 15:30:06 -0300 Subject: Imported Upstream version 16.07-rc2 Change-Id: Ie9e8ec528a2a0dace085c5e44aa7fa3b489d4ba0 Signed-off-by: Ricardo Salveti Signed-off-by: Christian Ehrhardt --- drivers/net/mlx4/mlx4.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 89 insertions(+), 3 deletions(-) (limited to 'drivers/net/mlx4/mlx4.c') diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c index f8ed42b8..304c8461 100644 --- a/drivers/net/mlx4/mlx4.c +++ b/drivers/net/mlx4/mlx4.c @@ -689,7 +689,7 @@ priv_set_flags(struct priv *priv, unsigned int keep, unsigned int flags) if (priv_get_sysfs_ulong(priv, "flags", &tmp) == -1) return -1; tmp &= keep; - tmp |= flags; + tmp |= (flags & (~keep)); return priv_set_sysfs_ulong(priv, "flags", tmp); } @@ -4327,6 +4327,90 @@ mlx4_dev_close(struct rte_eth_dev *dev) memset(priv, 0, sizeof(*priv)); } +/** + * Change the link state (UP / DOWN). + * + * @param priv + * Pointer to Ethernet device private data. + * @param up + * Nonzero for link up, otherwise link down. + * + * @return + * 0 on success, errno value on failure. + */ +static int +priv_set_link(struct priv *priv, int up) +{ + struct rte_eth_dev *dev = priv->dev; + int err; + unsigned int i; + + if (up) { + err = priv_set_flags(priv, ~IFF_UP, IFF_UP); + if (err) + return err; + for (i = 0; i < priv->rxqs_n; i++) + if ((*priv->rxqs)[i]->sp) + break; + /* Check if an sp queue exists. + * Note: Some old frames might be received. + */ + if (i == priv->rxqs_n) + dev->rx_pkt_burst = mlx4_rx_burst; + else + dev->rx_pkt_burst = mlx4_rx_burst_sp; + dev->tx_pkt_burst = mlx4_tx_burst; + } else { + err = priv_set_flags(priv, ~IFF_UP, ~IFF_UP); + if (err) + return err; + dev->rx_pkt_burst = removed_rx_burst; + dev->tx_pkt_burst = removed_tx_burst; + } + return 0; +} + +/** + * DPDK callback to bring the link DOWN. + * + * @param dev + * Pointer to Ethernet device structure. + * + * @return + * 0 on success, errno value on failure. + */ +static int +mlx4_set_link_down(struct rte_eth_dev *dev) +{ + struct priv *priv = dev->data->dev_private; + int err; + + priv_lock(priv); + err = priv_set_link(priv, 0); + priv_unlock(priv); + return err; +} + +/** + * DPDK callback to bring the link UP. + * + * @param dev + * Pointer to Ethernet device structure. + * + * @return + * 0 on success, errno value on failure. + */ +static int +mlx4_set_link_up(struct rte_eth_dev *dev) +{ + struct priv *priv = dev->data->dev_private; + int err; + + priv_lock(priv); + err = priv_set_link(priv, 1); + priv_unlock(priv); + return err; +} /** * DPDK callback to get information about the device. * @@ -5134,6 +5218,8 @@ static const struct eth_dev_ops mlx4_dev_ops = { .dev_configure = mlx4_dev_configure, .dev_start = mlx4_dev_start, .dev_stop = mlx4_dev_stop, + .dev_set_link_down = mlx4_set_link_down, + .dev_set_link_up = mlx4_set_link_up, .dev_close = mlx4_dev_close, .promiscuous_enable = mlx4_promiscuous_enable, .promiscuous_disable = mlx4_promiscuous_disable, @@ -5857,8 +5943,8 @@ rte_mlx4_pmd_init(const char *name, const char *args) static struct rte_driver rte_mlx4_driver = { .type = PMD_PDEV, - .name = MLX4_DRIVER_NAME, .init = rte_mlx4_pmd_init, }; -PMD_REGISTER_DRIVER(rte_mlx4_driver) +PMD_REGISTER_DRIVER(rte_mlx4_driver, mlx4); +DRIVER_REGISTER_PCI_TABLE(mlx4, mlx4_pci_id_map); -- cgit 1.2.3-korg