Author: hselasky Date: Wed Jan 27 14:55:41 2016 New Revision: 294917 URL: https://svnweb.freebsd.org/changeset/base/294917
Log: MFC r294314: Allow RX and TX pause frames to be set through ifconfig. Sponsored by: Mellanox Technologies Differential Revision: https://reviews.freebsd.org/D4817 Modified: stable/10/sys/dev/mlx5/mlx5_en/en.h stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/mlx5/mlx5_en/en.h ============================================================================== --- stable/10/sys/dev/mlx5/mlx5_en/en.h Wed Jan 27 14:47:00 2016 (r294916) +++ stable/10/sys/dev/mlx5/mlx5_en/en.h Wed Jan 27 14:55:41 2016 (r294917) @@ -375,11 +375,11 @@ struct mlx5e_params { bool cqe_zipping_en; u32 lro_wqe_sz; u16 rx_hash_log_tbl_sz; + u32 tx_pauseframe_control; + u32 rx_pauseframe_control; }; #define MLX5E_PARAMS(m) \ - m(+1, u64 tx_pauseframe_control, "tx_pauseframe_control", "Set to enable TX pause frames. Clear to disable.") \ - m(+1, u64 rx_pauseframe_control, "rx_pauseframe_control", "Set to enable RX pause frames. Clear to disable.") \ m(+1, u64 tx_queue_size_max, "tx_queue_size_max", "Max send queue size") \ m(+1, u64 rx_queue_size_max, "rx_queue_size_max", "Max receive queue size") \ m(+1, u64 tx_queue_size, "tx_queue_size", "Default send queue size") \ Modified: stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c ============================================================================== --- stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c Wed Jan 27 14:47:00 2016 (r294916) +++ stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_ethtool.c Wed Jan 27 14:55:41 2016 (r294917) @@ -113,21 +113,6 @@ mlx5e_ethtool_handler(SYSCTL_HANDLER_ARG } priv->params.tx_cq_moderation_pkts = priv->params_ethtool.tx_coalesce_pkts; - if (&priv->params_ethtool.arg[arg2] == &priv->params_ethtool.rx_pauseframe_control || - &priv->params_ethtool.arg[arg2] == &priv->params_ethtool.tx_pauseframe_control) { - /* range check parameters */ - priv->params_ethtool.rx_pauseframe_control = - priv->params_ethtool.rx_pauseframe_control ? 1 : 0; - priv->params_ethtool.tx_pauseframe_control = - priv->params_ethtool.tx_pauseframe_control ? 1 : 0; - - /* update firmware */ - error = -mlx5_set_port_pause(priv->mdev, 1, - priv->params_ethtool.rx_pauseframe_control, - priv->params_ethtool.tx_pauseframe_control); - goto done; - } - was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); if (was_opened) { u64 *xarg = priv->params_ethtool.arg + arg2; Modified: stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_main.c ============================================================================== --- stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Wed Jan 27 14:47:00 2016 (r294916) +++ stable/10/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Wed Jan 27 14:55:41 2016 (r294917) @@ -222,8 +222,8 @@ mlx5e_media_status(struct ifnet *dev, st ifmr->ifm_status = priv->media_status_last; ifmr->ifm_active = priv->media_active_last | - (priv->params_ethtool.rx_pauseframe_control ? IFM_ETH_RXPAUSE : 0) | - (priv->params_ethtool.tx_pauseframe_control ? IFM_ETH_TXPAUSE : 0); + (priv->params.rx_pauseframe_control ? IFM_ETH_RXPAUSE : 0) | + (priv->params.tx_pauseframe_control ? IFM_ETH_TXPAUSE : 0); } @@ -250,6 +250,7 @@ mlx5e_media_change(struct ifnet *dev) struct mlx5_core_dev *mdev = priv->mdev; u32 eth_proto_cap; u32 link_mode; + int was_opened; int locked; int error; @@ -263,24 +264,45 @@ mlx5e_media_change(struct ifnet *dev) } link_mode = mlx5e_find_link_mode(IFM_SUBTYPE(priv->media.ifm_media)); + /* query supported capabilities */ error = mlx5_query_port_proto_cap(mdev, ð_proto_cap, MLX5_PTYS_EN); - if (error) { + if (error != 0) { if_printf(dev, "Query port media capability failed\n"); goto done; } - if (IFM_SUBTYPE(priv->media.ifm_media) == IFM_AUTO) + /* check for autoselect */ + if (IFM_SUBTYPE(priv->media.ifm_media) == IFM_AUTO) { link_mode = eth_proto_cap; - else + if (link_mode == 0) { + if_printf(dev, "Port media capability is zero\n"); + error = EINVAL; + goto done; + } + } else { link_mode = link_mode & eth_proto_cap; - - if (!link_mode) { - if_printf(dev, "Not supported link mode requested\n"); - error = EINVAL; - goto done; + if (link_mode == 0) { + if_printf(dev, "Not supported link mode requested\n"); + error = EINVAL; + goto done; + } } + /* update pauseframe control bits */ + priv->params.rx_pauseframe_control = + (priv->media.ifm_media & IFM_ETH_RXPAUSE) ? 1 : 0; + priv->params.tx_pauseframe_control = + (priv->media.ifm_media & IFM_ETH_TXPAUSE) ? 1 : 0; + + /* check if device is opened */ + was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); + + /* reconfigure the hardware */ mlx5_set_port_status(mdev, MLX5_PORT_DOWN); mlx5_set_port_proto(mdev, link_mode, MLX5_PTYS_EN); - mlx5_set_port_status(mdev, MLX5_PORT_UP); + mlx5_set_port_pause(mdev, 1, + priv->params.rx_pauseframe_control, + priv->params.tx_pauseframe_control); + if (was_opened) + mlx5_set_port_status(mdev, MLX5_PORT_UP); done: if (!locked) @@ -2749,6 +2771,56 @@ mlx5e_add_hw_stats(struct mlx5e_priv *pr "Board ID"); } +static void +mlx5e_setup_pauseframes(struct mlx5e_priv *priv) +{ +#if (__FreeBSD_version < 1100000) + char path[64]; + +#endif + /* Only receiving pauseframes is enabled by default */ + priv->params.tx_pauseframe_control = 0; + priv->params.rx_pauseframe_control = 1; + +#if (__FreeBSD_version < 1100000) + /* compute path for sysctl */ + snprintf(path, sizeof(path), "dev.mce.%d.tx_pauseframe_control", + device_get_unit(priv->mdev->pdev->dev.bsddev)); + + /* try to fetch tunable, if any */ + TUNABLE_INT_FETCH(path, &priv->params.tx_pauseframe_control); + + /* compute path for sysctl */ + snprintf(path, sizeof(path), "dev.mce.%d.rx_pauseframe_control", + device_get_unit(priv->mdev->pdev->dev.bsddev)); + + /* try to fetch tunable, if any */ + TUNABLE_INT_FETCH(path, &priv->params.rx_pauseframe_control); +#endif + + /* register pausframe SYSCTLs */ + SYSCTL_ADD_INT(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), + OID_AUTO, "tx_pauseframe_control", CTLFLAG_RDTUN, + &priv->params.tx_pauseframe_control, 0, + "Set to enable TX pause frames. Clear to disable."); + + SYSCTL_ADD_INT(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), + OID_AUTO, "rx_pauseframe_control", CTLFLAG_RDTUN, + &priv->params.rx_pauseframe_control, 0, + "Set to enable RX pause frames. Clear to disable."); + + /* range check */ + priv->params.tx_pauseframe_control = + priv->params.tx_pauseframe_control ? 1 : 0; + priv->params.rx_pauseframe_control = + priv->params.rx_pauseframe_control ? 1 : 0; + + /* update firmware */ + mlx5_set_port_pause(priv->mdev, 1, + priv->params.rx_pauseframe_control, + priv->params.tx_pauseframe_control); +} + static void * mlx5e_create_ifp(struct mlx5_core_dev *mdev) { @@ -2874,11 +2946,11 @@ mlx5e_create_ifp(struct mlx5_core_dev *m /* Set default media status */ priv->media_status_last = IFM_AVALID; - priv->media_active_last = IFM_ETHER | IFM_AUTO; + priv->media_active_last = IFM_ETHER | IFM_AUTO | + IFM_ETH_RXPAUSE | IFM_FDX; - /* Pauseframes are enabled by default */ - priv->params_ethtool.tx_pauseframe_control = 1; - priv->params_ethtool.rx_pauseframe_control = 1; + /* setup default pauseframes configuration */ + mlx5e_setup_pauseframes(priv); err = mlx5_query_port_proto_cap(mdev, ð_proto_cap, MLX5_PTYS_EN); if (err) { @@ -2894,14 +2966,24 @@ mlx5e_create_ifp(struct mlx5_core_dev *m for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) { if (mlx5e_mode_table[i].baudrate == 0) continue; - if (MLX5E_PROT_MASK(i) & eth_proto_cap) + if (MLX5E_PROT_MASK(i) & eth_proto_cap) { ifmedia_add(&priv->media, - IFM_ETHER | mlx5e_mode_table[i].subtype | - IFM_FDX, 0, NULL); + mlx5e_mode_table[i].subtype | + IFM_ETHER, 0, NULL); + ifmedia_add(&priv->media, + mlx5e_mode_table[i].subtype | + IFM_ETHER | IFM_FDX | + IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE, 0, NULL); + } } ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO, 0, NULL); - ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO); + ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO | IFM_FDX | + IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE, 0, NULL); + + /* Set autoselect by default */ + ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO | IFM_FDX | + IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE); ether_ifattach(ifp, dev_addr); /* Register for VLAN events */ _______________________________________________ svn-src-stable-10@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-stable-10 To unsubscribe, send any mail to "svn-src-stable-10-unsubscr...@freebsd.org"
