[Patch RFC 04/10 v2] mlx4_en: en_params
From: Yevgeny Petrilin <hidden>
Date: 2008-08-20 13:01:30
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Yevgeny Petrilin <redacted> Date: Mon, 18 Aug 2008 11:34:00 +0300 Subject: [PATCH] mlx4_en: en_params This file is responsible for parsing and validating module parameters. It also implements the Ethtool interface. Signed-off-by: Liran Liss <redacted> Signed-off-by: Yevgeny Petrilin <redacted> --- drivers/net/mlx4/en_params.c | 603 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 603 insertions(+), 0 deletions(-) create mode 100644 drivers/net/mlx4/en_params.c
diff --git a/drivers/net/mlx4/en_params.c b/drivers/net/mlx4/en_params.c
new file mode 100644
index 0000000..e6b3878
--- /dev/null
+++ b/drivers/net/mlx4/en_params.c@@ -0,0 +1,603 @@ +/* + * 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" + +#define MLX4_EN_PARM_INT(X, def_val, desc) \ + static unsigned int X = def_val;\ + module_param(X , uint, 0444); \ + MODULE_PARM_DESC(X, desc); + + +/* + * Device scope module parameters + */ + + +/* Use a XOR rathern than Toeplitz hash function for RSS */ +MLX4_EN_PARM_INT(rss_xor, 0, "Use XOR hash function for RSS"); + +/* RSS hash type mask - default to <saddr, daddr, sport, dport> */ +MLX4_EN_PARM_INT(rss_mask, 0xf, "RSS hash type bitmask"); + +/* Number of LRO sessions per Rx ring (rounded up to a power of two) */ +MLX4_EN_PARM_INT(num_lro, MLX4_EN_MAX_LRO_DESCRIPTORS, + "Number of LRO sessions per ring or disabled (0)"); + +/* Priority pausing */ +MLX4_EN_PARM_INT(pptx, MLX4_EN_DEF_TX_PAUSE, + "Pause policy on TX: 0 never generate pause frames " + "1 generate pause frames according to RX buffer threshold"); +MLX4_EN_PARM_INT(pprx, MLX4_EN_DEF_RX_PAUSE, + "Pause policy on RX: 0 ignore received pause frames " + "1 respect received pause frames"); +MLX4_EN_PARM_INT(pfctx, 0, "Priority based Flow Control policy on TX[7:0]." + " Per priority bit mask"); +MLX4_EN_PARM_INT(pfcrx, 0, "Priority based Flow Control policy on RX[7:0]." + " Per priority bit mask"); + +/* Interrupt moderation tunning */ +MLX4_EN_PARM_INT(rx_moder_cnt, MLX4_EN_AUTO_CONF, + "Max coalesced descriptors for Rx interrupt moderation"); +MLX4_EN_PARM_INT(rx_moder_time, MLX4_EN_AUTO_CONF, + "Timeout following last packet for Rx interrupt moderation"); +MLX4_EN_PARM_INT(auto_moder, 1, "Enable dynamic interrupt moderation"); + +MLX4_EN_PARM_INT(rx_ring_num1, 0, "Number or Rx rings for port 1 (0 = #cores)"); +MLX4_EN_PARM_INT(rx_ring_num2, 0, "Number or Rx rings for port 2 (0 = #cores)"); + +MLX4_EN_PARM_INT(tx_ring_size1, MLX4_EN_AUTO_CONF, "Tx ring size for port 1"); +MLX4_EN_PARM_INT(tx_ring_size2, MLX4_EN_AUTO_CONF, "Tx ring size for port 2"); +MLX4_EN_PARM_INT(rx_ring_size1, MLX4_EN_AUTO_CONF, "Rx ring size for port 1"); +MLX4_EN_PARM_INT(rx_ring_size2, MLX4_EN_AUTO_CONF, "Rx ring size for port 2"); + + +int mlx4_en_get_profile(struct mlx4_en_dev *mdev) +{ + struct mlx4_en_profile *params = &mdev->profile; + + params->rx_moder_cnt = min_t(int, rx_moder_cnt, MLX4_EN_AUTO_CONF); + params->rx_moder_time = min_t(int, rx_moder_time, MLX4_EN_AUTO_CONF); + params->auto_moder = auto_moder; + params->rss_xor = (rss_xor != 0); + params->rss_mask = rss_mask & 0x1f; + params->num_lro = min_t(int, num_lro , MLX4_EN_MAX_LRO_DESCRIPTORS); + params->rx_pause = pprx; + params->rx_ppp = pfcrx; + params->tx_pause = pptx; + params->tx_ppp = pfctx; + if (params->rx_ppp || params->tx_ppp) { + params->prof[1].tx_ring_num = MLX4_EN_TX_RING_NUM; + params->prof[2].tx_ring_num = MLX4_EN_TX_RING_NUM; + } else { + params->prof[1].tx_ring_num = 1; + params->prof[2].tx_ring_num = 1; + } + params->prof[1].rx_ring_num = min_t(int, rx_ring_num1, MAX_RX_RINGS); + params->prof[2].rx_ring_num = min_t(int, rx_ring_num2, MAX_RX_RINGS); + if (tx_ring_size1 == MLX4_EN_AUTO_CONF) { + tx_ring_size1 = (BITS_PER_LONG == 64) ? + MLX4_EN_DEF_TX_RING_SIZE : MLX4_EN_DEF_TX_RING_SIZE_32; + } + params->prof[1].tx_ring_size = roundup_pow_of_two(tx_ring_size1); + if (tx_ring_size2 == MLX4_EN_AUTO_CONF) { + tx_ring_size2 = (BITS_PER_LONG == 64) ? + MLX4_EN_DEF_TX_RING_SIZE : MLX4_EN_DEF_TX_RING_SIZE_32; + } + params->prof[2].tx_ring_size = roundup_pow_of_two(tx_ring_size2); + if (rx_ring_size1 == MLX4_EN_AUTO_CONF) { + rx_ring_size1 = (BITS_PER_LONG == 64) ? + MLX4_EN_DEF_TX_RING_SIZE : MLX4_EN_DEF_TX_RING_SIZE_32; + } + params->prof[1].rx_ring_size = (rx_ring_size1 < MLX4_EN_MIN_RX_SIZE) ? + MLX4_EN_MIN_RX_SIZE : roundup_pow_of_two(rx_ring_size1); + if (rx_ring_size2 == MLX4_EN_AUTO_CONF) { + rx_ring_size2 = (BITS_PER_LONG == 64) ? + MLX4_EN_DEF_TX_RING_SIZE : MLX4_EN_DEF_TX_RING_SIZE_32; + } + params->prof[2].rx_ring_size = (rx_ring_size2 < MLX4_EN_MIN_RX_SIZE) ? + MLX4_EN_MIN_RX_SIZE : roundup_pow_of_two(rx_ring_size2); + + return 0; +} + + +/* + * Ethtool support + */ + +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 char perf_strings[NUM_PERF_COUNTERS][ETH_GSTRING_LEN] = { + "tso", + "tx_pktsz_avg", + "inflight_avg", + "rx_coal_avg", + "tx_coal_avg", + "tx_poll", + "lro_size_avg", + "lro_flushes", + "lro_misses", + "napi_quota", + "rx_chksum_none", + "rx_alloc_failed" +}; + +static char port_strings[NUM_PORT_STATS][ETH_GSTRING_LEN] = { + "rst_cnt", + "lro_session_ovfl", + "queue_stopped" +}; + +#define NUM_HW_STATS 378 +#define NUM_HW_STATS_RES 22 +#define NUM_HW_STATS32 9 +#define NUM_HW_STATS64 (NUM_HW_STATS - NUM_HW_STATS32) + +static char hw_strings[NUM_HW_STATS][ETH_GSTRING_LEN] = { + "#R64_prio_0", "#R64_prio_1", "#R64_prio_2", "#R64_prio_3", + "#R64_prio_4", "#R64_prio_5", "#R64_prio_6", "#R64_prio_7", + "#R64_novlan", + "#R127_prio_0", "#R127_prio_1", "#R127_prio_2", "#R127_prio_3", + "#R127_prio_4", "#R127_prio_5", "#R127_prio_6", "#R127_prio_7", + "#R127_novlan", + "#R255_prio_0", "#R255_prio_1", "#R255_prio_2", "#R255_prio_3", + "#R255_prio_4", "#R255_prio_5", "#R255_prio_6", "#R255_prio_7", + "#R255_novlan", + "#R511_prio_0", "#R511_prio_1", "#R511_prio_2", "#R511_prio_3", + "#R511_prio_4", "#R511_prio_5", "#R511_prio_6", "#R511_prio_7", + "#R511_novlan", + "#R1023_prio_0", "#R1023_prio_1", "#R1023_prio_2", "#R1023_prio_3", + "#R1023_prio_4", "#R1023_prio_5", "#R1023_prio_6", "#R1023_prio_7", + "#R1023_novlan", + "#R1518_prio_0", "#R1518_prio_1", "#R1518_prio_2", "#R1518_prio_3", + "#R1518_prio_4", "#R1518_prio_5", "#R1518_prio_6", "#R1518_prio_7", + "#R1518_novlan", + "#R1522_prio_0", "#R1522_prio_1", "#R1522_prio_2", "#R1522_prio_3", + "#R1522_prio_4", "#R1522_prio_5", "#R1522_prio_6", "#R1522_prio_7", + "#R1522_novlan", + "#R1548_prio_0", "#R1548_prio_1", "#R1548_prio_2", "#R1548_prio_3", + "#R1548_prio_4", "#R1548_prio_5", "#R1548_prio_6", "#R1548_prio_7", + "#R1548_novlan", + "#R2MTU_prio_0", "#R2MTU_prio_1", "#R2MTU_prio_2", "#R2MTU_prio_3", + "#R2MTU_prio_4", "#R2MTU_prio_5", "#R2MTU_prio_6", "#R2MTU_prio_7", + "#R2MTU_novlan", + "#RGIANT_prio_0", "#RGIANT_prio_1", "#RGIANT_prio_2", "#RGIANT_prio_3", + "#RGIANT_prio_4", "#RGIANT_prio_5", "#RGIANT_prio_6", "#RGIANT_prio_7", + "#RGIANT_novlan", + "#RBCAST_prio_0", "#RBCAST_prio_1", "#RBCAST_prio_2", "#RBCAST_prio_3", + "#RBCAST_prio_4", "#RBCAST_prio_5", "#RBCAST_prio_6", "#RBCAST_prio_7", + "#RBCAST_novlan", + "#MCAST_prio_0", "#MCAST_prio_1", "#MCAST_prio_2", "#MCAST_prio_3", + "#MCAST_prio_4", "#MCAST_prio_5", "#MCAST_prio_6", "#MCAST_prio_7", + "#MCAST_novlan", + "#RTOTG_prio_0", "#RTOTG_prio_1", "#RTOTG_prio_2", "#RTOTG_prio_3", + "#RTOTG_prio_4", "#RTOTG_prio_5", "#RTOTG_prio_6", "#RTOTG_prio_7", + "#RTOTG_novlan", + "#RTTLOCT_prio_0", "#RTTLOCT_NOFRM_prio_0", "#ROCT_prio_0", + "#RTTLOCT_prio_1", "#RTTLOCT_NOFRM_prio_1", "#ROCT_prio_1", + "#RTTLOCT_prio_2", "#RTTLOCT_NOFRM_prio_2", "#ROCT_prio_2", + "#RTTLOCT_prio_3", "#RTTLOCT_NOFRM_prio_3", "#ROCT_prio_3", + "#RTTLOCT_prio_4", "#RTTLOCT_NOFRM_prio_4", "#ROCT_prio_4", + "#RTTLOCT_prio_5", "#RTTLOCT_NOFRM_prio_5", "#ROCT_prio_5", + "#RTTLOCT_prio_6", "#RTTLOCT_NOFRM_prio_6", "#ROCT_prio_6", + "#RTTLOCT_prio_7", "#RTTLOCT_NOFRM_prio_7", "#ROCT_prio_7", + "#RTTLOCT_novlan", "#RTTLOCT_NOFRM_novlan", "#ROCT_novlan", + "#RTOT_prio_0", "#R1Q_prio_0", "reserved", + "#RTOT_prio_1", "#R1Q_prio_1", "reserved", + "#RTOT_prio_2", "#R1Q_prio_2", "reserved", + "#RTOT_prio_3", "#R1Q_prio_3", "reserved", + "#RTOT_prio_4", "#R1Q_prio_4", "reserved", + "#RTOT_prio_5", "#R1Q_prio_5", "reserved", + "#RTOT_prio_6", "#R1Q_prio_6", "reserved", + "#RTOT_prio_7", "#R1Q_prio_7", "reserved", + "#RTOT_novlan", "#R1Q_novlan", "reserved", + "#RCNTL", "reserved", "reserved", "reserved", + "#RInRangeLengthErr", "#ROutRangeLengthErr", "#RFrmTooLong", + "#PCS", + "#T64_prio_0", "#T64_prio_1", "#T64_prio_2", "#T64_prio_3", + "#T64_prio_4", "#T64_prio_5", "#T64_prio_6", "#T64_prio_7", + "#T64_novlan", "#T64_loopbk", + "#T127_prio_0", "#T127_prio_1", "#T127_prio_2", "#T127_prio_3", + "#T127_prio_4", "#T127_prio_5", "#T127_prio_6", "#T127_prio_7", + "#T127_novlan", "#T127_loopbk", + "#T255_prio_0", "#T255_prio_1", "#T255_prio_2", "#T255_prio_3", + "#T255_prio_4", "#T255_prio_5", "#T255_prio_6", "#T255_prio_7", + "#T255_novlan", "#T255_loopbk", + "#T511_prio_0", "#T511_prio_1", "#T511_prio_2", "#T511_prio_3", + "#T511_prio_4", "#T511_prio_5", "#T511_prio_6", "#T511_prio_7", + "#T511_novlan", "#T511_loopbk", + "#T1023_prio_0", "#T1023_prio_1", "#T1023_prio_2", "#T1023_prio_3", + "#T1023_prio_4", "#T1023_prio_5", "#T1023_prio_6", "#T1023_prio_7", + "#T1023_novlan", "#T1023_loopbk", + "#T1518_prio_0", "#T1518_prio_1", "#T1518_prio_2", "#T1518_prio_3", + "#T1518_prio_4", "#T1518_prio_5", "#T1518_prio_6", "#T1518_prio_7", + "#T1518_novlan", "#T1518_loopbk", + "#T1522_prio_0", "#T1522_prio_1", "#T1522_prio_2", "#T1522_prio_3", + "#T1522_prio_4", "#T1522_prio_5", "#T1522_prio_6", "#T1522_prio_7", + "#T1522_novlan", "#T1522_loopbk", + "#T1548_prio_0", "#T1548_prio_1", "#T1548_prio_2", "#T1548_prio_3", + "#T1548_prio_4", "#T1548_prio_5", "#T1548_prio_6", "#T1548_prio_7", + "#T1548_novlan", "#T1548_loopbk", + "#T2MTU_prio_0", "#T2MTU_prio_1", "#T2MTU_prio_2", "#T2MTU_prio_3", + "#T2MTU_prio_4", "#T2MTU_prio_5", "#T2MTU_prio_6", "#T2MTU_prio_7", + "#T2MTU_novlan", "#T2MTU_loopbk", + "#TGIANT_prio_0", "#TGIANT_prio_1", "#TGIANT_prio_2", "#TGIANT_prio_3", + "#TGIANT_prio_4", "#TGIANT_prio_5", "#TGIANT_prio_6", "#TGIANT_prio_7", + "#TGIANT_novlan", "#TGIANT_loopbk", + "#TBCAST_prio_0", "#TBCAST_prio_1", "#TBCAST_prio_2", "#TBCAST_prio_3", + "#TBCAST_prio_4", "#TBCAST_prio_5", "#TBCAST_prio_6", "#TBCAST_prio_7", + "#TBCAST_novlan", "#TBCAST_loopbk", + "#TMCAST_prio_0", "#TMCAST_prio_1", "#TMCAST_prio_2", "#TMCAST_prio_3", + "#TMCAST_prio_4", "#TMCAST_prio_5", "#TMCAST_prio_6", "#TMCAST_prio_7", + "#TMCAST_novlan", "#TMCAST_loopbk", + "#TTOTG_prio_0", "#TTOTG_prio_1", "#TTOTG_prio_2", "#TTOTG_prio_3", + "#TTOTG_prio_4", "#TTOTG_prio_5", "#TTOTG_prio_6", "#TTOTG_prio_7", + "#TTOTG_novlan", "#TTOTG_loopbk", + "#TTTLOCT_prio_0", "#TTTLOCT_NOFRM_prio_0", "#TOCT_prio_0", + "#TTTLOCT_prio_1", "#TTTLOCT_NOFRM_prio_1", "#TOCT_prio_1", + "#TTTLOCT_prio_2", "#TTTLOCT_NOFRM_prio_2", "#TOCT_prio_2", + "#TTTLOCT_prio_3", "#TTTLOCT_NOFRM_prio_3", "#TOCT_prio_3", + "#TTTLOCT_prio_4", "#TTTLOCT_NOFRM_prio_4", "#TOCT_prio_4", + "#TTTLOCT_prio_5", "#TTTLOCT_NOFRM_prio_5", "#TOCT_prio_5", + "#TTTLOCT_prio_6", "#TTTLOCT_NOFRM_prio_6", "#TOCT_prio_6", + "#TTTLOCT_prio_7", "#TTTLOCT_NOFRM_prio_7", "#TOCT_prio_7", + "#TTTLOCT_novlan", "#TTTLOCT_NOFRM_novlan", "#TOCT_novlan", + "#TTTLOCT_loopbk", "#TTTLOCT_NOFRM_loopbk", "#TOCT_loopbk", + "#TTOT_prio_0", "#T1Q_prio_0", "reserved", + "#TTOT_prio_1", "#T1Q_prio_1", "reserved", + "#TTOT_prio_2", "#T1Q_prio_2", "reserved", + "#TTOT_prio_3", "#T1Q_prio_3", "reserved", + "#TTOT_prio_4", "#T1Q_prio_4", "reserved", + "#TTOT_prio_5", "#T1Q_prio_5", "reserved", + "#TTOT_prio_6", "#T1Q_prio_6", "reserved", + "#TTOT_prio_7", "#T1Q_prio_7", "reserved", + "#TTOT_novlan", "#T1Q_novlan", "reserved", + "#TTOT_loopbk", "#T1Q_loopbk", "reserved", + "#RJBBR", "#RCRC", "#RRUNT", "#RSHORT", "#RDROP", + "#RdropOvflw", "#RdropLength", "#RTOTFRMS", "#TDROP", +}; + +static int mlx4_en_get_stats_count(struct net_device *dev) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + int cnt = NUM_PORT_STATS; + + if (DO_SW_COUNTERS) + cnt += (priv->tx_ring_num + priv->rx_ring_num) * 2; + cnt += NUM_PERF_STATS; + cnt += NUM_HW_STATS - NUM_HW_STATS_RES; + return cnt; +} + +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); + struct mlx4_en_dev *mdev = priv->mdev; + int index = 0; + int i; + + /* Generic statistics */ + data[index++] = priv->port_stats.rst_cnt; + data[index++] = priv->port_stats.lro_session_ovfl; + data[index++] = priv->port_stats.queue_stopped; + + /* Per-ring SW counters */ + if (DO_SW_COUNTERS) { + 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; + } + } + + /* Performance statistics */ + if (NUM_PERF_STATS) { + data[index++] = GET_PERF_COUNTER(priv->pstats.tso); + data[index++] = GET_AVG_PERF_COUNTER(priv->pstats.tx_pktsz_avg); + data[index++] = GET_AVG_PERF_COUNTER(priv->pstats.inflight_avg); + data[index++] = GET_AVG_PERF_COUNTER(priv->pstats.rx_coal_avg); + data[index++] = GET_AVG_PERF_COUNTER(priv->pstats.tx_coal_avg); + data[index++] = GET_PERF_COUNTER(priv->pstats.tx_poll); + data[index++] = GET_AVG_PERF_COUNTER(priv->pstats.lro_size_avg); + data[index++] = GET_PERF_COUNTER(priv->pstats.lro_flushes); + data[index++] = GET_PERF_COUNTER(priv->pstats.lro_misses); + data[index++] = GET_PERF_COUNTER(priv->pstats.napi_quota); + data[index++] = GET_PERF_COUNTER(priv->pstats.rx_chksum_none); + data[index++] = GET_PERF_COUNTER(priv->pstats.rx_alloc_failed); + } + + /* HW statistics */ + mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 0); + for (i = 0; i < NUM_HW_STATS64; i++) { + if (strcmp(hw_strings[i], "reserved")) + data[index++] = be64_to_cpu(*((u64 *) + &priv->hw_stats + i)); + } + for (i = 0; i < NUM_HW_STATS32; i++) + data[index++] = (u64) be32_to_cpu(*((u32 *) + &priv->hw_stats + 2 * NUM_HW_STATS64 + i)); +} + +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 port counters */ + for (i = 0; i < NUM_PORT_STATS; i++) + strcpy(data + (index++) * ETH_GSTRING_LEN, port_strings[i]); + + /* Add SW counters */ + if (DO_SW_COUNTERS) { + 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); + } + } + + /* Add performance counters */ + for (i = 0; i < NUM_PERF_STATS; i++) + strcpy(data + (index++) * ETH_GSTRING_LEN, perf_strings[i]); + + /* Add HW counters */ + for (i = 0; i < NUM_HW_STATS; i++) { + if (strcmp(hw_strings[i], "reserved")) + strcpy(data + (index++) * ETH_GSTRING_LEN, hw_strings[i]); + } +} + +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; + + mdev->profile.tx_pause = pause->tx_pause != 0; + mdev->profile.rx_pause = pause->rx_pause != 0; + err = mlx4_SET_PORT_general(mdev->dev, priv->port, + priv->rx_skb_size + ETH_FCS_LEN, + mdev->profile.tx_pause, + mdev->profile.tx_ppp, + mdev->profile.rx_pause, + mdev->profile.rx_ppp); + if (err) + mlx4_err(mdev, "Failed setting pause params to\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); + struct mlx4_en_dev *mdev = priv->mdev; + + pause->tx_pause = mdev->profile.tx_pause; + pause->rx_pause = mdev->profile.rx_pause; +} + +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 = mdev->dev->caps.max_rq_sg; + param->tx_max_pending = mdev->dev->caps.max_sq_sg; + 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_stats_count = mlx4_en_get_stats_count, + .get_ethtool_stats = mlx4_en_get_ethtool_stats, + .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, + .get_flags = ethtool_op_get_flags, + .set_flags = ethtool_op_set_flags, +}; + + + + +
--
1.5.4