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author | Yevgeny Petrilin <yevgenyp@mellanox.co.il> | 2009-06-01 23:21:20 +0000 |
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committer | David S. Miller <davem@davemloft.net> | 2009-06-02 02:29:04 -0700 |
commit | 9e47edaa1ae2efad7db0c8c7fb53e4431bb35364 (patch) | |
tree | 0b789564b959727b48404d5020b83c13033b6e19 /drivers/net/mlx4/en_ethtool.c | |
parent | a2b28737a2c504ad4306eec30fc893e7f4513359 (diff) | |
download | kernel_samsung_smdk4412-9e47edaa1ae2efad7db0c8c7fb53e4431bb35364.zip kernel_samsung_smdk4412-9e47edaa1ae2efad7db0c8c7fb53e4431bb35364.tar.gz kernel_samsung_smdk4412-9e47edaa1ae2efad7db0c8c7fb53e4431bb35364.tar.bz2 |
mlx4_en renamed en_params.c to en_ethtool.c
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/mlx4/en_ethtool.c')
-rw-r--r-- | drivers/net/mlx4/en_ethtool.c | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/drivers/net/mlx4/en_ethtool.c b/drivers/net/mlx4/en_ethtool.c new file mode 100644 index 0000000..91d8116 --- /dev/null +++ b/drivers/net/mlx4/en_ethtool.c @@ -0,0 +1,427 @@ +/* + * Copyright (c) 2007 Mellanox Technologies. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * 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. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#include <linux/kernel.h> +#include <linux/ethtool.h> +#include <linux/netdevice.h> + +#include "mlx4_en.h" +#include "en_port.h" + + +static void mlx4_en_update_lro_stats(struct mlx4_en_priv *priv) +{ + int i; + + priv->port_stats.lro_aggregated = 0; + priv->port_stats.lro_flushed = 0; + priv->port_stats.lro_no_desc = 0; + + for (i = 0; i < priv->rx_ring_num; i++) { + priv->port_stats.lro_aggregated += priv->rx_ring[i].lro.stats.aggregated; + priv->port_stats.lro_flushed += priv->rx_ring[i].lro.stats.flushed; + priv->port_stats.lro_no_desc += priv->rx_ring[i].lro.stats.no_desc; + } +} + +static void +mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + struct mlx4_en_dev *mdev = priv->mdev; + + sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id); + strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32); + sprintf(drvinfo->fw_version, "%d.%d.%d", + (u16) (mdev->dev->caps.fw_ver >> 32), + (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff), + (u16) (mdev->dev->caps.fw_ver & 0xffff)); + strncpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 32); + drvinfo->n_stats = 0; + drvinfo->regdump_len = 0; + drvinfo->eedump_len = 0; +} + +static u32 mlx4_en_get_tso(struct net_device *dev) +{ + return (dev->features & NETIF_F_TSO) != 0; +} + +static int mlx4_en_set_tso(struct net_device *dev, u32 data) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + + if (data) { + if (!priv->mdev->LSO_support) + return -EPERM; + dev->features |= (NETIF_F_TSO | NETIF_F_TSO6); + } else + dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6); + return 0; +} + +static u32 mlx4_en_get_rx_csum(struct net_device *dev) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + return priv->rx_csum; +} + +static int mlx4_en_set_rx_csum(struct net_device *dev, u32 data) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + priv->rx_csum = (data != 0); + return 0; +} + +static const char main_strings[][ETH_GSTRING_LEN] = { + "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", + "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions", + "rx_length_errors", "rx_over_errors", "rx_crc_errors", + "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors", + "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors", + "tx_heartbeat_errors", "tx_window_errors", + + /* port statistics */ + "lro_aggregated", "lro_flushed", "lro_no_desc", "tso_packets", + "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed", + "rx_csum_good", "rx_csum_none", "tx_chksum_offload", + + /* packet statistics */ + "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3", + "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0", + "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5", + "tx_prio_6", "tx_prio_7", +}; +#define NUM_MAIN_STATS 21 +#define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS) + +static u32 mlx4_en_get_msglevel(struct net_device *dev) +{ + return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable; +} + +static void mlx4_en_set_msglevel(struct net_device *dev, u32 val) +{ + ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val; +} + +static void mlx4_en_get_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + wol->supported = 0; + wol->wolopts = 0; + + return; +} + +static int mlx4_en_get_sset_count(struct net_device *dev, int sset) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + + if (sset != ETH_SS_STATS) + return -EOPNOTSUPP; + + return NUM_ALL_STATS + (priv->tx_ring_num + priv->rx_ring_num) * 2; +} + +static void mlx4_en_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *stats, uint64_t *data) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + int index = 0; + int i; + + spin_lock_bh(&priv->stats_lock); + + mlx4_en_update_lro_stats(priv); + + for (i = 0; i < NUM_MAIN_STATS; i++) + data[index++] = ((unsigned long *) &priv->stats)[i]; + for (i = 0; i < NUM_PORT_STATS; i++) + data[index++] = ((unsigned long *) &priv->port_stats)[i]; + for (i = 0; i < priv->tx_ring_num; i++) { + data[index++] = priv->tx_ring[i].packets; + data[index++] = priv->tx_ring[i].bytes; + } + for (i = 0; i < priv->rx_ring_num; i++) { + data[index++] = priv->rx_ring[i].packets; + data[index++] = priv->rx_ring[i].bytes; + } + for (i = 0; i < NUM_PKT_STATS; i++) + data[index++] = ((unsigned long *) &priv->pkstats)[i]; + spin_unlock_bh(&priv->stats_lock); + +} + +static void mlx4_en_get_strings(struct net_device *dev, + uint32_t stringset, uint8_t *data) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + int index = 0; + int i; + + if (stringset != ETH_SS_STATS) + return; + + /* Add main counters */ + for (i = 0; i < NUM_MAIN_STATS; i++) + strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]); + for (i = 0; i < NUM_PORT_STATS; i++) + strcpy(data + (index++) * ETH_GSTRING_LEN, + main_strings[i + NUM_MAIN_STATS]); + for (i = 0; i < priv->tx_ring_num; i++) { + sprintf(data + (index++) * ETH_GSTRING_LEN, + "tx%d_packets", i); + sprintf(data + (index++) * ETH_GSTRING_LEN, + "tx%d_bytes", i); + } + for (i = 0; i < priv->rx_ring_num; i++) { + sprintf(data + (index++) * ETH_GSTRING_LEN, + "rx%d_packets", i); + sprintf(data + (index++) * ETH_GSTRING_LEN, + "rx%d_bytes", i); + } + for (i = 0; i < NUM_PKT_STATS; i++) + strcpy(data + (index++) * ETH_GSTRING_LEN, + main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]); +} + +static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + cmd->autoneg = AUTONEG_DISABLE; + cmd->supported = SUPPORTED_10000baseT_Full; + cmd->advertising = SUPPORTED_10000baseT_Full; + if (netif_carrier_ok(dev)) { + cmd->speed = SPEED_10000; + cmd->duplex = DUPLEX_FULL; + } else { + cmd->speed = -1; + cmd->duplex = -1; + } + return 0; +} + +static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + if ((cmd->autoneg == AUTONEG_ENABLE) || + (cmd->speed != SPEED_10000) || (cmd->duplex != DUPLEX_FULL)) + return -EINVAL; + + /* Nothing to change */ + return 0; +} + +static int mlx4_en_get_coalesce(struct net_device *dev, + struct ethtool_coalesce *coal) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + + coal->tx_coalesce_usecs = 0; + coal->tx_max_coalesced_frames = 0; + coal->rx_coalesce_usecs = priv->rx_usecs; + coal->rx_max_coalesced_frames = priv->rx_frames; + + coal->pkt_rate_low = priv->pkt_rate_low; + coal->rx_coalesce_usecs_low = priv->rx_usecs_low; + coal->pkt_rate_high = priv->pkt_rate_high; + coal->rx_coalesce_usecs_high = priv->rx_usecs_high; + coal->rate_sample_interval = priv->sample_interval; + coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal; + return 0; +} + +static int mlx4_en_set_coalesce(struct net_device *dev, + struct ethtool_coalesce *coal) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + int err, i; + + priv->rx_frames = (coal->rx_max_coalesced_frames == + MLX4_EN_AUTO_CONF) ? + MLX4_EN_RX_COAL_TARGET / + priv->dev->mtu + 1 : + coal->rx_max_coalesced_frames; + priv->rx_usecs = (coal->rx_coalesce_usecs == + MLX4_EN_AUTO_CONF) ? + MLX4_EN_RX_COAL_TIME : + coal->rx_coalesce_usecs; + + /* Set adaptive coalescing params */ + priv->pkt_rate_low = coal->pkt_rate_low; + priv->rx_usecs_low = coal->rx_coalesce_usecs_low; + priv->pkt_rate_high = coal->pkt_rate_high; + priv->rx_usecs_high = coal->rx_coalesce_usecs_high; + priv->sample_interval = coal->rate_sample_interval; + priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce; + priv->last_moder_time = MLX4_EN_AUTO_CONF; + if (priv->adaptive_rx_coal) + return 0; + + for (i = 0; i < priv->rx_ring_num; i++) { + priv->rx_cq[i].moder_cnt = priv->rx_frames; + priv->rx_cq[i].moder_time = priv->rx_usecs; + err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]); + if (err) + return err; + } + return 0; +} + +static int mlx4_en_set_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *pause) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + struct mlx4_en_dev *mdev = priv->mdev; + int err; + + priv->prof->tx_pause = pause->tx_pause != 0; + priv->prof->rx_pause = pause->rx_pause != 0; + err = mlx4_SET_PORT_general(mdev->dev, priv->port, + priv->rx_skb_size + ETH_FCS_LEN, + priv->prof->tx_pause, + priv->prof->tx_ppp, + priv->prof->rx_pause, + priv->prof->rx_ppp); + if (err) + en_err(priv, "Failed setting pause params\n"); + + return err; +} + +static void mlx4_en_get_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *pause) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + + pause->tx_pause = priv->prof->tx_pause; + pause->rx_pause = priv->prof->rx_pause; +} + +static int mlx4_en_set_ringparam(struct net_device *dev, + struct ethtool_ringparam *param) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + struct mlx4_en_dev *mdev = priv->mdev; + u32 rx_size, tx_size; + int port_up = 0; + int err = 0; + + if (param->rx_jumbo_pending || param->rx_mini_pending) + return -EINVAL; + + rx_size = roundup_pow_of_two(param->rx_pending); + rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE); + rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE); + tx_size = roundup_pow_of_two(param->tx_pending); + tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE); + tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE); + + if (rx_size == priv->prof->rx_ring_size && + tx_size == priv->prof->tx_ring_size) + return 0; + + mutex_lock(&mdev->state_lock); + if (priv->port_up) { + port_up = 1; + mlx4_en_stop_port(dev); + } + + mlx4_en_free_resources(priv); + + priv->prof->tx_ring_size = tx_size; + priv->prof->rx_ring_size = rx_size; + + err = mlx4_en_alloc_resources(priv); + if (err) { + en_err(priv, "Failed reallocating port resources\n"); + goto out; + } + if (port_up) { + err = mlx4_en_start_port(dev); + if (err) + en_err(priv, "Failed starting port\n"); + } + +out: + mutex_unlock(&mdev->state_lock); + return err; +} + +static void mlx4_en_get_ringparam(struct net_device *dev, + struct ethtool_ringparam *param) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + struct mlx4_en_dev *mdev = priv->mdev; + + memset(param, 0, sizeof(*param)); + param->rx_max_pending = MLX4_EN_MAX_RX_SIZE; + param->tx_max_pending = MLX4_EN_MAX_TX_SIZE; + param->rx_pending = mdev->profile.prof[priv->port].rx_ring_size; + param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size; +} + +const struct ethtool_ops mlx4_en_ethtool_ops = { + .get_drvinfo = mlx4_en_get_drvinfo, + .get_settings = mlx4_en_get_settings, + .set_settings = mlx4_en_set_settings, +#ifdef NETIF_F_TSO + .get_tso = mlx4_en_get_tso, + .set_tso = mlx4_en_set_tso, +#endif + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, + .get_link = ethtool_op_get_link, + .get_rx_csum = mlx4_en_get_rx_csum, + .set_rx_csum = mlx4_en_set_rx_csum, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = ethtool_op_set_tx_ipv6_csum, + .get_strings = mlx4_en_get_strings, + .get_sset_count = mlx4_en_get_sset_count, + .get_ethtool_stats = mlx4_en_get_ethtool_stats, + .get_wol = mlx4_en_get_wol, + .get_msglevel = mlx4_en_get_msglevel, + .set_msglevel = mlx4_en_set_msglevel, + .get_coalesce = mlx4_en_get_coalesce, + .set_coalesce = mlx4_en_set_coalesce, + .get_pauseparam = mlx4_en_get_pauseparam, + .set_pauseparam = mlx4_en_set_pauseparam, + .get_ringparam = mlx4_en_get_ringparam, + .set_ringparam = mlx4_en_set_ringparam, + .get_flags = ethtool_op_get_flags, + .set_flags = ethtool_op_set_flags, +}; + + + + + |