diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c | 781 |
1 files changed, 0 insertions, 781 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c deleted file mode 100644 index 9bb2cc7dd4e4..000000000000 --- a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c +++ /dev/null @@ -1,781 +0,0 @@ -/******************************************************************************* - * - * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver - * Copyright(c) 2013 - 2016 Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along - * with this program. If not, see <http://www.gnu.org/licenses/>. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * - * Contact Information: - * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - ******************************************************************************/ - -/* ethtool support for i40evf */ -#include "i40evf.h" - -#include <linux/uaccess.h> - -struct i40evf_stats { - char stat_string[ETH_GSTRING_LEN]; - int stat_offset; -}; - -#define I40EVF_STAT(_name, _stat) { \ - .stat_string = _name, \ - .stat_offset = offsetof(struct i40evf_adapter, _stat) \ -} - -/* All stats are u64, so we don't need to track the size of the field. */ -static const struct i40evf_stats i40evf_gstrings_stats[] = { - I40EVF_STAT("rx_bytes", current_stats.rx_bytes), - I40EVF_STAT("rx_unicast", current_stats.rx_unicast), - I40EVF_STAT("rx_multicast", current_stats.rx_multicast), - I40EVF_STAT("rx_broadcast", current_stats.rx_broadcast), - I40EVF_STAT("rx_discards", current_stats.rx_discards), - I40EVF_STAT("rx_unknown_protocol", current_stats.rx_unknown_protocol), - I40EVF_STAT("tx_bytes", current_stats.tx_bytes), - I40EVF_STAT("tx_unicast", current_stats.tx_unicast), - I40EVF_STAT("tx_multicast", current_stats.tx_multicast), - I40EVF_STAT("tx_broadcast", current_stats.tx_broadcast), - I40EVF_STAT("tx_discards", current_stats.tx_discards), - I40EVF_STAT("tx_errors", current_stats.tx_errors), -}; - -#define I40EVF_GLOBAL_STATS_LEN ARRAY_SIZE(i40evf_gstrings_stats) -#define I40EVF_QUEUE_STATS_LEN(_dev) \ - (((struct i40evf_adapter *)\ - netdev_priv(_dev))->num_active_queues \ - * 2 * (sizeof(struct i40e_queue_stats) / sizeof(u64))) -#define I40EVF_STATS_LEN(_dev) \ - (I40EVF_GLOBAL_STATS_LEN + I40EVF_QUEUE_STATS_LEN(_dev)) - -/* For now we have one and only one private flag and it is only defined - * when we have support for the SKIP_CPU_SYNC DMA attribute. Instead - * of leaving all this code sitting around empty we will strip it unless - * our one private flag is actually available. - */ -struct i40evf_priv_flags { - char flag_string[ETH_GSTRING_LEN]; - u32 flag; - bool read_only; -}; - -#define I40EVF_PRIV_FLAG(_name, _flag, _read_only) { \ - .flag_string = _name, \ - .flag = _flag, \ - .read_only = _read_only, \ -} - -static const struct i40evf_priv_flags i40evf_gstrings_priv_flags[] = { - I40EVF_PRIV_FLAG("legacy-rx", I40EVF_FLAG_LEGACY_RX, 0), -}; - -#define I40EVF_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40evf_gstrings_priv_flags) - -/** - * i40evf_get_link_ksettings - Get Link Speed and Duplex settings - * @netdev: network interface device structure - * @cmd: ethtool command - * - * Reports speed/duplex settings. Because this is a VF, we don't know what - * kind of link we really have, so we fake it. - **/ -static int i40evf_get_link_ksettings(struct net_device *netdev, - struct ethtool_link_ksettings *cmd) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - - ethtool_link_ksettings_zero_link_mode(cmd, supported); - cmd->base.autoneg = AUTONEG_DISABLE; - cmd->base.port = PORT_NONE; - /* Set speed and duplex */ - switch (adapter->link_speed) { - case I40E_LINK_SPEED_40GB: - cmd->base.speed = SPEED_40000; - break; - case I40E_LINK_SPEED_25GB: -#ifdef SPEED_25000 - cmd->base.speed = SPEED_25000; -#else - netdev_info(netdev, - "Speed is 25G, display not supported by this version of ethtool.\n"); -#endif - break; - case I40E_LINK_SPEED_20GB: - cmd->base.speed = SPEED_20000; - break; - case I40E_LINK_SPEED_10GB: - cmd->base.speed = SPEED_10000; - break; - case I40E_LINK_SPEED_1GB: - cmd->base.speed = SPEED_1000; - break; - case I40E_LINK_SPEED_100MB: - cmd->base.speed = SPEED_100; - break; - default: - break; - } - cmd->base.duplex = DUPLEX_FULL; - - return 0; -} - -/** - * i40evf_get_sset_count - Get length of string set - * @netdev: network interface device structure - * @sset: id of string set - * - * Reports size of string table. This driver only supports - * strings for statistics. - **/ -static int i40evf_get_sset_count(struct net_device *netdev, int sset) -{ - if (sset == ETH_SS_STATS) - return I40EVF_STATS_LEN(netdev); - else if (sset == ETH_SS_PRIV_FLAGS) - return I40EVF_PRIV_FLAGS_STR_LEN; - else - return -EINVAL; -} - -/** - * i40evf_get_ethtool_stats - report device statistics - * @netdev: network interface device structure - * @stats: ethtool statistics structure - * @data: pointer to data buffer - * - * All statistics are added to the data buffer as an array of u64. - **/ -static void i40evf_get_ethtool_stats(struct net_device *netdev, - struct ethtool_stats *stats, u64 *data) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - int i, j; - char *p; - - for (i = 0; i < I40EVF_GLOBAL_STATS_LEN; i++) { - p = (char *)adapter + i40evf_gstrings_stats[i].stat_offset; - data[i] = *(u64 *)p; - } - for (j = 0; j < adapter->num_active_queues; j++) { - data[i++] = adapter->tx_rings[j].stats.packets; - data[i++] = adapter->tx_rings[j].stats.bytes; - } - for (j = 0; j < adapter->num_active_queues; j++) { - data[i++] = adapter->rx_rings[j].stats.packets; - data[i++] = adapter->rx_rings[j].stats.bytes; - } -} - -/** - * i40evf_get_strings - Get string set - * @netdev: network interface device structure - * @sset: id of string set - * @data: buffer for string data - * - * Builds stats string table. - **/ -static void i40evf_get_strings(struct net_device *netdev, u32 sset, u8 *data) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - u8 *p = data; - int i; - - if (sset == ETH_SS_STATS) { - for (i = 0; i < I40EVF_GLOBAL_STATS_LEN; i++) { - memcpy(p, i40evf_gstrings_stats[i].stat_string, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - for (i = 0; i < adapter->num_active_queues; i++) { - snprintf(p, ETH_GSTRING_LEN, "tx-%u.packets", i); - p += ETH_GSTRING_LEN; - snprintf(p, ETH_GSTRING_LEN, "tx-%u.bytes", i); - p += ETH_GSTRING_LEN; - } - for (i = 0; i < adapter->num_active_queues; i++) { - snprintf(p, ETH_GSTRING_LEN, "rx-%u.packets", i); - p += ETH_GSTRING_LEN; - snprintf(p, ETH_GSTRING_LEN, "rx-%u.bytes", i); - p += ETH_GSTRING_LEN; - } - } else if (sset == ETH_SS_PRIV_FLAGS) { - for (i = 0; i < I40EVF_PRIV_FLAGS_STR_LEN; i++) { - snprintf(p, ETH_GSTRING_LEN, "%s", - i40evf_gstrings_priv_flags[i].flag_string); - p += ETH_GSTRING_LEN; - } - } -} - -/** - * i40evf_get_priv_flags - report device private flags - * @dev: network interface device structure - * - * The get string set count and the string set should be matched for each - * flag returned. Add new strings for each flag to the i40e_gstrings_priv_flags - * array. - * - * Returns a u32 bitmap of flags. - **/ -static u32 i40evf_get_priv_flags(struct net_device *netdev) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - u32 i, ret_flags = 0; - - for (i = 0; i < I40EVF_PRIV_FLAGS_STR_LEN; i++) { - const struct i40evf_priv_flags *priv_flags; - - priv_flags = &i40evf_gstrings_priv_flags[i]; - - if (priv_flags->flag & adapter->flags) - ret_flags |= BIT(i); - } - - return ret_flags; -} - -/** - * i40evf_set_priv_flags - set private flags - * @dev: network interface device structure - * @flags: bit flags to be set - **/ -static int i40evf_set_priv_flags(struct net_device *netdev, u32 flags) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - u64 changed_flags; - u32 i; - - changed_flags = adapter->flags; - - for (i = 0; i < I40EVF_PRIV_FLAGS_STR_LEN; i++) { - const struct i40evf_priv_flags *priv_flags; - - priv_flags = &i40evf_gstrings_priv_flags[i]; - - if (priv_flags->read_only) - continue; - - if (flags & BIT(i)) - adapter->flags |= priv_flags->flag; - else - adapter->flags &= ~(priv_flags->flag); - } - - /* check for flags that changed */ - changed_flags ^= adapter->flags; - - /* Process any additional changes needed as a result of flag changes. */ - - /* issue a reset to force legacy-rx change to take effect */ - if (changed_flags & I40EVF_FLAG_LEGACY_RX) { - if (netif_running(netdev)) { - adapter->flags |= I40EVF_FLAG_RESET_NEEDED; - schedule_work(&adapter->reset_task); - } - } - - return 0; -} - -/** - * i40evf_get_msglevel - Get debug message level - * @netdev: network interface device structure - * - * Returns current debug message level. - **/ -static u32 i40evf_get_msglevel(struct net_device *netdev) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - - return adapter->msg_enable; -} - -/** - * i40evf_set_msglevel - Set debug message level - * @netdev: network interface device structure - * @data: message level - * - * Set current debug message level. Higher values cause the driver to - * be noisier. - **/ -static void i40evf_set_msglevel(struct net_device *netdev, u32 data) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - - if (I40E_DEBUG_USER & data) - adapter->hw.debug_mask = data; - adapter->msg_enable = data; -} - -/** - * i40evf_get_drvinfo - Get driver info - * @netdev: network interface device structure - * @drvinfo: ethool driver info structure - * - * Returns information about the driver and device for display to the user. - **/ -static void i40evf_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - - strlcpy(drvinfo->driver, i40evf_driver_name, 32); - strlcpy(drvinfo->version, i40evf_driver_version, 32); - strlcpy(drvinfo->fw_version, "N/A", 4); - strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); - drvinfo->n_priv_flags = I40EVF_PRIV_FLAGS_STR_LEN; -} - -/** - * i40evf_get_ringparam - Get ring parameters - * @netdev: network interface device structure - * @ring: ethtool ringparam structure - * - * Returns current ring parameters. TX and RX rings are reported separately, - * but the number of rings is not reported. - **/ -static void i40evf_get_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - - ring->rx_max_pending = I40EVF_MAX_RXD; - ring->tx_max_pending = I40EVF_MAX_TXD; - ring->rx_pending = adapter->rx_desc_count; - ring->tx_pending = adapter->tx_desc_count; -} - -/** - * i40evf_set_ringparam - Set ring parameters - * @netdev: network interface device structure - * @ring: ethtool ringparam structure - * - * Sets ring parameters. TX and RX rings are controlled separately, but the - * number of rings is not specified, so all rings get the same settings. - **/ -static int i40evf_set_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - u32 new_rx_count, new_tx_count; - - if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) - return -EINVAL; - - new_tx_count = clamp_t(u32, ring->tx_pending, - I40EVF_MIN_TXD, - I40EVF_MAX_TXD); - new_tx_count = ALIGN(new_tx_count, I40EVF_REQ_DESCRIPTOR_MULTIPLE); - - new_rx_count = clamp_t(u32, ring->rx_pending, - I40EVF_MIN_RXD, - I40EVF_MAX_RXD); - new_rx_count = ALIGN(new_rx_count, I40EVF_REQ_DESCRIPTOR_MULTIPLE); - - /* if nothing to do return success */ - if ((new_tx_count == adapter->tx_desc_count) && - (new_rx_count == adapter->rx_desc_count)) - return 0; - - adapter->tx_desc_count = new_tx_count; - adapter->rx_desc_count = new_rx_count; - - if (netif_running(netdev)) { - adapter->flags |= I40EVF_FLAG_RESET_NEEDED; - schedule_work(&adapter->reset_task); - } - - return 0; -} - -/** - * __i40evf_get_coalesce - get per-queue coalesce settings - * @netdev: the netdev to check - * @ec: ethtool coalesce data structure - * @queue: which queue to pick - * - * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs - * are per queue. If queue is <0 then we default to queue 0 as the - * representative value. - **/ -static int __i40evf_get_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec, - int queue) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - struct i40e_vsi *vsi = &adapter->vsi; - struct i40e_ring *rx_ring, *tx_ring; - - ec->tx_max_coalesced_frames = vsi->work_limit; - ec->rx_max_coalesced_frames = vsi->work_limit; - - /* Rx and Tx usecs per queue value. If user doesn't specify the - * queue, return queue 0's value to represent. - */ - if (queue < 0) - queue = 0; - else if (queue >= adapter->num_active_queues) - return -EINVAL; - - rx_ring = &adapter->rx_rings[queue]; - tx_ring = &adapter->tx_rings[queue]; - - if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting)) - ec->use_adaptive_rx_coalesce = 1; - - if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting)) - ec->use_adaptive_tx_coalesce = 1; - - ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC; - ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC; - - return 0; -} - -/** - * i40evf_get_coalesce - Get interrupt coalescing settings - * @netdev: network interface device structure - * @ec: ethtool coalesce structure - * - * Returns current coalescing settings. This is referred to elsewhere in the - * driver as Interrupt Throttle Rate, as this is how the hardware describes - * this functionality. Note that if per-queue settings have been modified this - * only represents the settings of queue 0. - **/ -static int i40evf_get_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) -{ - return __i40evf_get_coalesce(netdev, ec, -1); -} - -/** - * i40evf_get_per_queue_coalesce - get coalesce values for specific queue - * @netdev: netdev to read - * @ec: coalesce settings from ethtool - * @queue: the queue to read - * - * Read specific queue's coalesce settings. - **/ -static int i40evf_get_per_queue_coalesce(struct net_device *netdev, - u32 queue, - struct ethtool_coalesce *ec) -{ - return __i40evf_get_coalesce(netdev, ec, queue); -} - -/** - * i40evf_set_itr_per_queue - set ITR values for specific queue - * @vsi: the VSI to set values for - * @ec: coalesce settings from ethtool - * @queue: the queue to modify - * - * Change the ITR settings for a specific queue. - **/ -static void i40evf_set_itr_per_queue(struct i40evf_adapter *adapter, - struct ethtool_coalesce *ec, - int queue) -{ - struct i40e_vsi *vsi = &adapter->vsi; - struct i40e_hw *hw = &adapter->hw; - struct i40e_q_vector *q_vector; - u16 vector; - - adapter->rx_rings[queue].rx_itr_setting = ec->rx_coalesce_usecs; - adapter->tx_rings[queue].tx_itr_setting = ec->tx_coalesce_usecs; - - if (ec->use_adaptive_rx_coalesce) - adapter->rx_rings[queue].rx_itr_setting |= I40E_ITR_DYNAMIC; - else - adapter->rx_rings[queue].rx_itr_setting &= ~I40E_ITR_DYNAMIC; - - if (ec->use_adaptive_tx_coalesce) - adapter->tx_rings[queue].tx_itr_setting |= I40E_ITR_DYNAMIC; - else - adapter->tx_rings[queue].tx_itr_setting &= ~I40E_ITR_DYNAMIC; - - q_vector = adapter->rx_rings[queue].q_vector; - q_vector->rx.itr = ITR_TO_REG(adapter->rx_rings[queue].rx_itr_setting); - vector = vsi->base_vector + q_vector->v_idx; - wr32(hw, I40E_VFINT_ITRN1(I40E_RX_ITR, vector - 1), q_vector->rx.itr); - - q_vector = adapter->tx_rings[queue].q_vector; - q_vector->tx.itr = ITR_TO_REG(adapter->tx_rings[queue].tx_itr_setting); - vector = vsi->base_vector + q_vector->v_idx; - wr32(hw, I40E_VFINT_ITRN1(I40E_TX_ITR, vector - 1), q_vector->tx.itr); - - i40e_flush(hw); -} - -/** - * __i40evf_set_coalesce - set coalesce settings for particular queue - * @netdev: the netdev to change - * @ec: ethtool coalesce settings - * @queue: the queue to change - * - * Sets the coalesce settings for a particular queue. - **/ -static int __i40evf_set_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec, - int queue) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - struct i40e_vsi *vsi = &adapter->vsi; - int i; - - if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) - vsi->work_limit = ec->tx_max_coalesced_frames_irq; - - if (ec->rx_coalesce_usecs == 0) { - if (ec->use_adaptive_rx_coalesce) - netif_info(adapter, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n"); - } else if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) || - (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) { - netif_info(adapter, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n"); - return -EINVAL; - } - - else - if (ec->tx_coalesce_usecs == 0) { - if (ec->use_adaptive_tx_coalesce) - netif_info(adapter, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n"); - } else if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) || - (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) { - netif_info(adapter, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n"); - return -EINVAL; - } - - /* Rx and Tx usecs has per queue value. If user doesn't specify the - * queue, apply to all queues. - */ - if (queue < 0) { - for (i = 0; i < adapter->num_active_queues; i++) - i40evf_set_itr_per_queue(adapter, ec, i); - } else if (queue < adapter->num_active_queues) { - i40evf_set_itr_per_queue(adapter, ec, queue); - } else { - netif_info(adapter, drv, netdev, "Invalid queue value, queue range is 0 - %d\n", - adapter->num_active_queues - 1); - return -EINVAL; - } - - return 0; -} - -/** - * i40evf_set_coalesce - Set interrupt coalescing settings - * @netdev: network interface device structure - * @ec: ethtool coalesce structure - * - * Change current coalescing settings for every queue. - **/ -static int i40evf_set_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) -{ - return __i40evf_set_coalesce(netdev, ec, -1); -} - -/** - * i40evf_set_per_queue_coalesce - set specific queue's coalesce settings - * @netdev: the netdev to change - * @ec: ethtool's coalesce settings - * @queue: the queue to modify - * - * Modifies a specific queue's coalesce settings. - */ -static int i40evf_set_per_queue_coalesce(struct net_device *netdev, - u32 queue, - struct ethtool_coalesce *ec) -{ - return __i40evf_set_coalesce(netdev, ec, queue); -} - -/** - * i40evf_get_rxnfc - command to get RX flow classification rules - * @netdev: network interface device structure - * @cmd: ethtool rxnfc command - * - * Returns Success if the command is supported. - **/ -static int i40evf_get_rxnfc(struct net_device *netdev, - struct ethtool_rxnfc *cmd, - u32 *rule_locs) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - int ret = -EOPNOTSUPP; - - switch (cmd->cmd) { - case ETHTOOL_GRXRINGS: - cmd->data = adapter->num_active_queues; - ret = 0; - break; - case ETHTOOL_GRXFH: - netdev_info(netdev, - "RSS hash info is not available to vf, use pf.\n"); - break; - default: - break; - } - - return ret; -} -/** - * i40evf_get_channels: get the number of channels supported by the device - * @netdev: network interface device structure - * @ch: channel information structure - * - * For the purposes of our device, we only use combined channels, i.e. a tx/rx - * queue pair. Report one extra channel to match our "other" MSI-X vector. - **/ -static void i40evf_get_channels(struct net_device *netdev, - struct ethtool_channels *ch) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - - /* Report maximum channels */ - ch->max_combined = adapter->num_active_queues; - - ch->max_other = NONQ_VECS; - ch->other_count = NONQ_VECS; - - ch->combined_count = adapter->num_active_queues; -} - -/** - * i40evf_get_rxfh_key_size - get the RSS hash key size - * @netdev: network interface device structure - * - * Returns the table size. - **/ -static u32 i40evf_get_rxfh_key_size(struct net_device *netdev) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - - return adapter->rss_key_size; -} - -/** - * i40evf_get_rxfh_indir_size - get the rx flow hash indirection table size - * @netdev: network interface device structure - * - * Returns the table size. - **/ -static u32 i40evf_get_rxfh_indir_size(struct net_device *netdev) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - - return adapter->rss_lut_size; -} - -/** - * i40evf_get_rxfh - get the rx flow hash indirection table - * @netdev: network interface device structure - * @indir: indirection table - * @key: hash key - * - * Reads the indirection table directly from the hardware. Always returns 0. - **/ -static int i40evf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, - u8 *hfunc) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - u16 i; - - if (hfunc) - *hfunc = ETH_RSS_HASH_TOP; - if (!indir) - return 0; - - memcpy(key, adapter->rss_key, adapter->rss_key_size); - - /* Each 32 bits pointed by 'indir' is stored with a lut entry */ - for (i = 0; i < adapter->rss_lut_size; i++) - indir[i] = (u32)adapter->rss_lut[i]; - - return 0; -} - -/** - * i40evf_set_rxfh - set the rx flow hash indirection table - * @netdev: network interface device structure - * @indir: indirection table - * @key: hash key - * - * Returns -EINVAL if the table specifies an inavlid queue id, otherwise - * returns 0 after programming the table. - **/ -static int i40evf_set_rxfh(struct net_device *netdev, const u32 *indir, - const u8 *key, const u8 hfunc) -{ - struct i40evf_adapter *adapter = netdev_priv(netdev); - u16 i; - - /* We do not allow change in unsupported parameters */ - if (key || - (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)) - return -EOPNOTSUPP; - if (!indir) - return 0; - - if (key) { - memcpy(adapter->rss_key, key, adapter->rss_key_size); - } - - /* Each 32 bits pointed by 'indir' is stored with a lut entry */ - for (i = 0; i < adapter->rss_lut_size; i++) - adapter->rss_lut[i] = (u8)(indir[i]); - - return i40evf_config_rss(adapter); -} - -static const struct ethtool_ops i40evf_ethtool_ops = { - .get_drvinfo = i40evf_get_drvinfo, - .get_link = ethtool_op_get_link, - .get_ringparam = i40evf_get_ringparam, - .set_ringparam = i40evf_set_ringparam, - .get_strings = i40evf_get_strings, - .get_ethtool_stats = i40evf_get_ethtool_stats, - .get_sset_count = i40evf_get_sset_count, - .get_priv_flags = i40evf_get_priv_flags, - .set_priv_flags = i40evf_set_priv_flags, - .get_msglevel = i40evf_get_msglevel, - .set_msglevel = i40evf_set_msglevel, - .get_coalesce = i40evf_get_coalesce, - .set_coalesce = i40evf_set_coalesce, - .get_per_queue_coalesce = i40evf_get_per_queue_coalesce, - .set_per_queue_coalesce = i40evf_set_per_queue_coalesce, - .get_rxnfc = i40evf_get_rxnfc, - .get_rxfh_indir_size = i40evf_get_rxfh_indir_size, - .get_rxfh = i40evf_get_rxfh, - .set_rxfh = i40evf_set_rxfh, - .get_channels = i40evf_get_channels, - .get_rxfh_key_size = i40evf_get_rxfh_key_size, - .get_link_ksettings = i40evf_get_link_ksettings, -}; - -/** - * i40evf_set_ethtool_ops - Initialize ethtool ops struct - * @netdev: network interface device structure - * - * Sets ethtool ops struct in our netdev so that ethtool can call - * our functions. - **/ -void i40evf_set_ethtool_ops(struct net_device *netdev) -{ - netdev->ethtool_ops = &i40evf_ethtool_ops; -} |