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fm10k: Add ethtool support
This patch adds basic ethtool support to the device to allow for configuration. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck
Jeff Kirsher
parent
b101c96264
commit
82dd0f7ee9
@ -28,5 +28,5 @@
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obj-$(CONFIG_FM10K) += fm10k.o
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fm10k-objs := fm10k_main.o fm10k_common.o fm10k_pci.o \
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fm10k_netdev.o fm10k_pf.o \
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fm10k_netdev.o fm10k_ethtool.o fm10k_pf.o \
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fm10k_mbx.o fm10k_tlv.o
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@ -424,4 +424,7 @@ void fm10k_restore_rx_state(struct fm10k_intfc *);
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void fm10k_reset_rx_state(struct fm10k_intfc *);
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int fm10k_open(struct net_device *netdev);
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int fm10k_close(struct net_device *netdev);
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/* Ethtool */
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void fm10k_set_ethtool_ops(struct net_device *dev);
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#endif /* _FM10K_H_ */
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868
drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c
Normal file
868
drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c
Normal file
@ -0,0 +1,868 @@
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/* Intel Ethernet Switch Host Interface Driver
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* Copyright(c) 2013 - 2014 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*/
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#include "fm10k.h"
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struct fm10k_stats {
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char stat_string[ETH_GSTRING_LEN];
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int sizeof_stat;
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int stat_offset;
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};
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#define FM10K_NETDEV_STAT(_net_stat) { \
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.stat_string = #_net_stat, \
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.sizeof_stat = FIELD_SIZEOF(struct net_device_stats, _net_stat), \
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.stat_offset = offsetof(struct net_device_stats, _net_stat) \
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}
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static const struct fm10k_stats fm10k_gstrings_net_stats[] = {
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FM10K_NETDEV_STAT(tx_packets),
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FM10K_NETDEV_STAT(tx_bytes),
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FM10K_NETDEV_STAT(tx_errors),
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FM10K_NETDEV_STAT(rx_packets),
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FM10K_NETDEV_STAT(rx_bytes),
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FM10K_NETDEV_STAT(rx_errors),
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FM10K_NETDEV_STAT(rx_dropped),
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/* detailed Rx errors */
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FM10K_NETDEV_STAT(rx_length_errors),
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FM10K_NETDEV_STAT(rx_crc_errors),
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FM10K_NETDEV_STAT(rx_fifo_errors),
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};
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#define FM10K_NETDEV_STATS_LEN ARRAY_SIZE(fm10k_gstrings_net_stats)
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#define FM10K_STAT(_name, _stat) { \
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.stat_string = _name, \
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.sizeof_stat = FIELD_SIZEOF(struct fm10k_intfc, _stat), \
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.stat_offset = offsetof(struct fm10k_intfc, _stat) \
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}
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static const struct fm10k_stats fm10k_gstrings_stats[] = {
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FM10K_STAT("tx_restart_queue", restart_queue),
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FM10K_STAT("tx_busy", tx_busy),
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FM10K_STAT("tx_csum_errors", tx_csum_errors),
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FM10K_STAT("rx_alloc_failed", alloc_failed),
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FM10K_STAT("rx_csum_errors", rx_csum_errors),
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FM10K_STAT("rx_errors", rx_errors),
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FM10K_STAT("tx_packets_nic", tx_packets_nic),
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FM10K_STAT("tx_bytes_nic", tx_bytes_nic),
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FM10K_STAT("rx_packets_nic", rx_packets_nic),
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FM10K_STAT("rx_bytes_nic", rx_bytes_nic),
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FM10K_STAT("rx_drops_nic", rx_drops_nic),
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FM10K_STAT("rx_overrun_pf", rx_overrun_pf),
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FM10K_STAT("rx_overrun_vf", rx_overrun_vf),
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FM10K_STAT("timeout", stats.timeout.count),
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FM10K_STAT("ur", stats.ur.count),
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FM10K_STAT("ca", stats.ca.count),
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FM10K_STAT("um", stats.um.count),
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FM10K_STAT("xec", stats.xec.count),
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FM10K_STAT("vlan_drop", stats.vlan_drop.count),
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FM10K_STAT("loopback_drop", stats.loopback_drop.count),
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FM10K_STAT("nodesc_drop", stats.nodesc_drop.count),
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FM10K_STAT("swapi_status", hw.swapi.status),
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FM10K_STAT("mac_rules_used", hw.swapi.mac.used),
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FM10K_STAT("mac_rules_avail", hw.swapi.mac.avail),
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FM10K_STAT("mbx_tx_busy", hw.mbx.tx_busy),
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FM10K_STAT("mbx_tx_dropped", hw.mbx.tx_dropped),
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FM10K_STAT("mbx_tx_messages", hw.mbx.tx_messages),
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FM10K_STAT("mbx_tx_dwords", hw.mbx.tx_dwords),
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FM10K_STAT("mbx_rx_messages", hw.mbx.rx_messages),
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FM10K_STAT("mbx_rx_dwords", hw.mbx.rx_dwords),
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FM10K_STAT("mbx_rx_parse_err", hw.mbx.rx_parse_err),
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};
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#define FM10K_GLOBAL_STATS_LEN ARRAY_SIZE(fm10k_gstrings_stats)
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#define FM10K_QUEUE_STATS_LEN \
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(MAX_QUEUES * 2 * (sizeof(struct fm10k_queue_stats) / sizeof(u64)))
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#define FM10K_STATS_LEN (FM10K_GLOBAL_STATS_LEN + \
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FM10K_NETDEV_STATS_LEN + \
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FM10K_QUEUE_STATS_LEN)
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static void fm10k_get_strings(struct net_device *dev, u32 stringset,
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u8 *data)
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{
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char *p = (char *)data;
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int i;
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switch (stringset) {
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case ETH_SS_STATS:
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for (i = 0; i < FM10K_NETDEV_STATS_LEN; i++) {
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memcpy(p, fm10k_gstrings_net_stats[i].stat_string,
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ETH_GSTRING_LEN);
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p += ETH_GSTRING_LEN;
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}
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for (i = 0; i < FM10K_GLOBAL_STATS_LEN; i++) {
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memcpy(p, fm10k_gstrings_stats[i].stat_string,
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ETH_GSTRING_LEN);
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p += ETH_GSTRING_LEN;
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}
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for (i = 0; i < MAX_QUEUES; i++) {
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sprintf(p, "tx_queue_%u_packets", i);
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p += ETH_GSTRING_LEN;
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sprintf(p, "tx_queue_%u_bytes", i);
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p += ETH_GSTRING_LEN;
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sprintf(p, "rx_queue_%u_packets", i);
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p += ETH_GSTRING_LEN;
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sprintf(p, "rx_queue_%u_bytes", i);
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p += ETH_GSTRING_LEN;
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}
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break;
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}
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}
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static int fm10k_get_sset_count(struct net_device *dev, int sset)
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{
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switch (sset) {
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case ETH_SS_STATS:
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return FM10K_STATS_LEN;
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default:
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return -EOPNOTSUPP;
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}
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}
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static void fm10k_get_ethtool_stats(struct net_device *netdev,
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struct ethtool_stats *stats, u64 *data)
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{
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const int stat_count = sizeof(struct fm10k_queue_stats) / sizeof(u64);
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struct fm10k_intfc *interface = netdev_priv(netdev);
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struct net_device_stats *net_stats = &netdev->stats;
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char *p;
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int i, j;
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fm10k_update_stats(interface);
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for (i = 0; i < FM10K_NETDEV_STATS_LEN; i++) {
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p = (char *)net_stats + fm10k_gstrings_net_stats[i].stat_offset;
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*(data++) = (fm10k_gstrings_net_stats[i].sizeof_stat ==
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sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
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}
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for (i = 0; i < FM10K_GLOBAL_STATS_LEN; i++) {
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p = (char *)interface + fm10k_gstrings_stats[i].stat_offset;
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*(data++) = (fm10k_gstrings_stats[i].sizeof_stat ==
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sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
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}
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for (i = 0; i < MAX_QUEUES; i++) {
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struct fm10k_ring *ring;
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u64 *queue_stat;
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ring = interface->tx_ring[i];
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if (ring)
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queue_stat = (u64 *)&ring->stats;
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for (j = 0; j < stat_count; j++)
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*(data++) = ring ? queue_stat[j] : 0;
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ring = interface->rx_ring[i];
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if (ring)
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queue_stat = (u64 *)&ring->stats;
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for (j = 0; j < stat_count; j++)
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*(data++) = ring ? queue_stat[j] : 0;
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}
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}
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/* If function below adds more registers this define needs to be updated */
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#define FM10K_REGS_LEN_Q 29
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static void fm10k_get_reg_q(struct fm10k_hw *hw, u32 *buff, int i)
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{
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int idx = 0;
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buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAH(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RDLEN(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_RXCTRL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RDH(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RDT(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RXQCTL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RXDCTL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_RXINT(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_SRRCTL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QPRC(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QPRDC(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_L(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_H(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAH(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TDLEN(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_TXCTRL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TDH(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TDT(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TXDCTL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TXQCTL(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TXINT(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QPTC(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_L(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_H(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TQDLOC(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_TX_SGLORT(i));
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buff[idx++] = fm10k_read_reg(hw, FM10K_PFVTCTL(i));
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BUG_ON(idx != FM10K_REGS_LEN_Q);
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}
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/* If function above adds more registers this define needs to be updated */
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#define FM10K_REGS_LEN_VSI 43
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static void fm10k_get_reg_vsi(struct fm10k_hw *hw, u32 *buff, int i)
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{
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int idx = 0, j;
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buff[idx++] = fm10k_read_reg(hw, FM10K_MRQC(i));
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for (j = 0; j < 10; j++)
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buff[idx++] = fm10k_read_reg(hw, FM10K_RSSRK(i, j));
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for (j = 0; j < 32; j++)
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buff[idx++] = fm10k_read_reg(hw, FM10K_RETA(i, j));
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BUG_ON(idx != FM10K_REGS_LEN_VSI);
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}
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static void fm10k_get_regs(struct net_device *netdev,
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struct ethtool_regs *regs, void *p)
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{
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struct fm10k_intfc *interface = netdev_priv(netdev);
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struct fm10k_hw *hw = &interface->hw;
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u32 *buff = p;
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u16 i;
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regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
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switch (hw->mac.type) {
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case fm10k_mac_pf:
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/* General PF Registers */
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*(buff++) = fm10k_read_reg(hw, FM10K_CTRL);
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*(buff++) = fm10k_read_reg(hw, FM10K_CTRL_EXT);
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*(buff++) = fm10k_read_reg(hw, FM10K_GCR);
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*(buff++) = fm10k_read_reg(hw, FM10K_GCR_EXT);
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for (i = 0; i < 8; i++) {
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*(buff++) = fm10k_read_reg(hw, FM10K_DGLORTMAP(i));
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*(buff++) = fm10k_read_reg(hw, FM10K_DGLORTDEC(i));
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}
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for (i = 0; i < 65; i++) {
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fm10k_get_reg_vsi(hw, buff, i);
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buff += FM10K_REGS_LEN_VSI;
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}
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*(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL);
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*(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL2);
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for (i = 0; i < FM10K_MAX_QUEUES_PF; i++) {
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fm10k_get_reg_q(hw, buff, i);
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buff += FM10K_REGS_LEN_Q;
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}
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*(buff++) = fm10k_read_reg(hw, FM10K_TPH_CTRL);
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for (i = 0; i < 8; i++)
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*(buff++) = fm10k_read_reg(hw, FM10K_INT_MAP(i));
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/* Interrupt Throttling Registers */
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for (i = 0; i < 130; i++)
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*(buff++) = fm10k_read_reg(hw, FM10K_ITR(i));
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break;
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default:
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return;
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}
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}
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/* If function above adds more registers these define need to be updated */
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#define FM10K_REGS_LEN_PF \
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(162 + (65 * FM10K_REGS_LEN_VSI) + (FM10K_MAX_QUEUES_PF * FM10K_REGS_LEN_Q))
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static int fm10k_get_regs_len(struct net_device *netdev)
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{
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struct fm10k_intfc *interface = netdev_priv(netdev);
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struct fm10k_hw *hw = &interface->hw;
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switch (hw->mac.type) {
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case fm10k_mac_pf:
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return FM10K_REGS_LEN_PF * sizeof(u32);
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default:
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return 0;
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}
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}
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static void fm10k_get_drvinfo(struct net_device *dev,
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struct ethtool_drvinfo *info)
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{
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struct fm10k_intfc *interface = netdev_priv(dev);
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strncpy(info->driver, fm10k_driver_name,
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sizeof(info->driver) - 1);
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strncpy(info->version, fm10k_driver_version,
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sizeof(info->version) - 1);
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strncpy(info->bus_info, pci_name(interface->pdev),
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sizeof(info->bus_info) - 1);
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info->n_stats = FM10K_STATS_LEN;
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info->regdump_len = fm10k_get_regs_len(dev);
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}
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static void fm10k_get_pauseparam(struct net_device *dev,
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struct ethtool_pauseparam *pause)
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{
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struct fm10k_intfc *interface = netdev_priv(dev);
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/* record fixed values for autoneg and tx pause */
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pause->autoneg = 0;
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pause->tx_pause = 1;
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pause->rx_pause = interface->rx_pause ? 1 : 0;
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}
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static int fm10k_set_pauseparam(struct net_device *dev,
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struct ethtool_pauseparam *pause)
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{
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struct fm10k_intfc *interface = netdev_priv(dev);
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struct fm10k_hw *hw = &interface->hw;
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if (pause->autoneg || !pause->tx_pause)
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return -EINVAL;
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/* we can only support pause on the PF to avoid head-of-line blocking */
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if (hw->mac.type == fm10k_mac_pf)
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interface->rx_pause = pause->rx_pause ? ~0 : 0;
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else if (pause->rx_pause)
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return -EINVAL;
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if (netif_running(dev))
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fm10k_update_rx_drop_en(interface);
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return 0;
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}
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static u32 fm10k_get_msglevel(struct net_device *netdev)
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{
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struct fm10k_intfc *interface = netdev_priv(netdev);
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return interface->msg_enable;
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}
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static void fm10k_set_msglevel(struct net_device *netdev, u32 data)
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{
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struct fm10k_intfc *interface = netdev_priv(netdev);
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interface->msg_enable = data;
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}
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|
||||
static void fm10k_get_ringparam(struct net_device *netdev,
|
||||
struct ethtool_ringparam *ring)
|
||||
{
|
||||
struct fm10k_intfc *interface = netdev_priv(netdev);
|
||||
|
||||
ring->rx_max_pending = FM10K_MAX_RXD;
|
||||
ring->tx_max_pending = FM10K_MAX_TXD;
|
||||
ring->rx_mini_max_pending = 0;
|
||||
ring->rx_jumbo_max_pending = 0;
|
||||
ring->rx_pending = interface->rx_ring_count;
|
||||
ring->tx_pending = interface->tx_ring_count;
|
||||
ring->rx_mini_pending = 0;
|
||||
ring->rx_jumbo_pending = 0;
|
||||
}
|
||||
|
||||
static int fm10k_set_ringparam(struct net_device *netdev,
|
||||
struct ethtool_ringparam *ring)
|
||||
{
|
||||
struct fm10k_intfc *interface = netdev_priv(netdev);
|
||||
struct fm10k_ring *temp_ring;
|
||||
int i, err = 0;
|
||||
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,
|
||||
FM10K_MIN_TXD, FM10K_MAX_TXD);
|
||||
new_tx_count = ALIGN(new_tx_count, FM10K_REQ_TX_DESCRIPTOR_MULTIPLE);
|
||||
|
||||
new_rx_count = clamp_t(u32, ring->rx_pending,
|
||||
FM10K_MIN_RXD, FM10K_MAX_RXD);
|
||||
new_rx_count = ALIGN(new_rx_count, FM10K_REQ_RX_DESCRIPTOR_MULTIPLE);
|
||||
|
||||
if ((new_tx_count == interface->tx_ring_count) &&
|
||||
(new_rx_count == interface->rx_ring_count)) {
|
||||
/* nothing to do */
|
||||
return 0;
|
||||
}
|
||||
|
||||
while (test_and_set_bit(__FM10K_RESETTING, &interface->state))
|
||||
usleep_range(1000, 2000);
|
||||
|
||||
if (!netif_running(interface->netdev)) {
|
||||
for (i = 0; i < interface->num_tx_queues; i++)
|
||||
interface->tx_ring[i]->count = new_tx_count;
|
||||
for (i = 0; i < interface->num_rx_queues; i++)
|
||||
interface->rx_ring[i]->count = new_rx_count;
|
||||
interface->tx_ring_count = new_tx_count;
|
||||
interface->rx_ring_count = new_rx_count;
|
||||
goto clear_reset;
|
||||
}
|
||||
|
||||
/* allocate temporary buffer to store rings in */
|
||||
i = max_t(int, interface->num_tx_queues, interface->num_rx_queues);
|
||||
temp_ring = vmalloc(i * sizeof(struct fm10k_ring));
|
||||
|
||||
if (!temp_ring) {
|
||||
err = -ENOMEM;
|
||||
goto clear_reset;
|
||||
}
|
||||
|
||||
fm10k_down(interface);
|
||||
|
||||
/* Setup new Tx resources and free the old Tx resources in that order.
|
||||
* We can then assign the new resources to the rings via a memcpy.
|
||||
* The advantage to this approach is that we are guaranteed to still
|
||||
* have resources even in the case of an allocation failure.
|
||||
*/
|
||||
if (new_tx_count != interface->tx_ring_count) {
|
||||
for (i = 0; i < interface->num_tx_queues; i++) {
|
||||
memcpy(&temp_ring[i], interface->tx_ring[i],
|
||||
sizeof(struct fm10k_ring));
|
||||
|
||||
temp_ring[i].count = new_tx_count;
|
||||
err = fm10k_setup_tx_resources(&temp_ring[i]);
|
||||
if (err) {
|
||||
while (i) {
|
||||
i--;
|
||||
fm10k_free_tx_resources(&temp_ring[i]);
|
||||
}
|
||||
goto err_setup;
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < interface->num_tx_queues; i++) {
|
||||
fm10k_free_tx_resources(interface->tx_ring[i]);
|
||||
|
||||
memcpy(interface->tx_ring[i], &temp_ring[i],
|
||||
sizeof(struct fm10k_ring));
|
||||
}
|
||||
|
||||
interface->tx_ring_count = new_tx_count;
|
||||
}
|
||||
|
||||
/* Repeat the process for the Rx rings if needed */
|
||||
if (new_rx_count != interface->rx_ring_count) {
|
||||
for (i = 0; i < interface->num_rx_queues; i++) {
|
||||
memcpy(&temp_ring[i], interface->rx_ring[i],
|
||||
sizeof(struct fm10k_ring));
|
||||
|
||||
temp_ring[i].count = new_rx_count;
|
||||
err = fm10k_setup_rx_resources(&temp_ring[i]);
|
||||
if (err) {
|
||||
while (i) {
|
||||
i--;
|
||||
fm10k_free_rx_resources(&temp_ring[i]);
|
||||
}
|
||||
goto err_setup;
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < interface->num_rx_queues; i++) {
|
||||
fm10k_free_rx_resources(interface->rx_ring[i]);
|
||||
|
||||
memcpy(interface->rx_ring[i], &temp_ring[i],
|
||||
sizeof(struct fm10k_ring));
|
||||
}
|
||||
|
||||
interface->rx_ring_count = new_rx_count;
|
||||
}
|
||||
|
||||
err_setup:
|
||||
fm10k_up(interface);
|
||||
vfree(temp_ring);
|
||||
clear_reset:
|
||||
clear_bit(__FM10K_RESETTING, &interface->state);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int fm10k_get_coalesce(struct net_device *dev,
|
||||
struct ethtool_coalesce *ec)
|
||||
{
|
||||
struct fm10k_intfc *interface = netdev_priv(dev);
|
||||
|
||||
ec->use_adaptive_tx_coalesce =
|
||||
!!(interface->tx_itr & FM10K_ITR_ADAPTIVE);
|
||||
ec->tx_coalesce_usecs = interface->tx_itr & ~FM10K_ITR_ADAPTIVE;
|
||||
|
||||
ec->use_adaptive_rx_coalesce =
|
||||
!!(interface->rx_itr & FM10K_ITR_ADAPTIVE);
|
||||
ec->rx_coalesce_usecs = interface->rx_itr & ~FM10K_ITR_ADAPTIVE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fm10k_set_coalesce(struct net_device *dev,
|
||||
struct ethtool_coalesce *ec)
|
||||
{
|
||||
struct fm10k_intfc *interface = netdev_priv(dev);
|
||||
struct fm10k_q_vector *qv;
|
||||
u16 tx_itr, rx_itr;
|
||||
int i;
|
||||
|
||||
/* verify limits */
|
||||
if ((ec->rx_coalesce_usecs > FM10K_ITR_MAX) ||
|
||||
(ec->tx_coalesce_usecs > FM10K_ITR_MAX))
|
||||
return -EINVAL;
|
||||
|
||||
/* record settings */
|
||||
tx_itr = ec->tx_coalesce_usecs;
|
||||
rx_itr = ec->rx_coalesce_usecs;
|
||||
|
||||
/* set initial values for adaptive ITR */
|
||||
if (ec->use_adaptive_tx_coalesce)
|
||||
tx_itr = FM10K_ITR_ADAPTIVE | FM10K_ITR_10K;
|
||||
|
||||
if (ec->use_adaptive_rx_coalesce)
|
||||
rx_itr = FM10K_ITR_ADAPTIVE | FM10K_ITR_20K;
|
||||
|
||||
/* update interface */
|
||||
interface->tx_itr = tx_itr;
|
||||
interface->rx_itr = rx_itr;
|
||||
|
||||
/* update q_vectors */
|
||||
for (i = 0; i < interface->num_q_vectors; i++) {
|
||||
qv = interface->q_vector[i];
|
||||
qv->tx.itr = tx_itr;
|
||||
qv->rx.itr = rx_itr;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fm10k_get_rss_hash_opts(struct fm10k_intfc *interface,
|
||||
struct ethtool_rxnfc *cmd)
|
||||
{
|
||||
cmd->data = 0;
|
||||
|
||||
/* Report default options for RSS on fm10k */
|
||||
switch (cmd->flow_type) {
|
||||
case TCP_V4_FLOW:
|
||||
case TCP_V6_FLOW:
|
||||
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
||||
/* fall through */
|
||||
case UDP_V4_FLOW:
|
||||
if (interface->flags & FM10K_FLAG_RSS_FIELD_IPV4_UDP)
|
||||
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
||||
/* fall through */
|
||||
case SCTP_V4_FLOW:
|
||||
case SCTP_V6_FLOW:
|
||||
case AH_ESP_V4_FLOW:
|
||||
case AH_ESP_V6_FLOW:
|
||||
case AH_V4_FLOW:
|
||||
case AH_V6_FLOW:
|
||||
case ESP_V4_FLOW:
|
||||
case ESP_V6_FLOW:
|
||||
case IPV4_FLOW:
|
||||
case IPV6_FLOW:
|
||||
cmd->data |= RXH_IP_SRC | RXH_IP_DST;
|
||||
break;
|
||||
case UDP_V6_FLOW:
|
||||
if (interface->flags & FM10K_FLAG_RSS_FIELD_IPV6_UDP)
|
||||
cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
|
||||
cmd->data |= RXH_IP_SRC | RXH_IP_DST;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fm10k_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
|
||||
u32 *rule_locs)
|
||||
{
|
||||
struct fm10k_intfc *interface = netdev_priv(dev);
|
||||
int ret = -EOPNOTSUPP;
|
||||
|
||||
switch (cmd->cmd) {
|
||||
case ETHTOOL_GRXRINGS:
|
||||
cmd->data = interface->num_rx_queues;
|
||||
ret = 0;
|
||||
break;
|
||||
case ETHTOOL_GRXFH:
|
||||
ret = fm10k_get_rss_hash_opts(interface, cmd);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
#define UDP_RSS_FLAGS (FM10K_FLAG_RSS_FIELD_IPV4_UDP | \
|
||||
FM10K_FLAG_RSS_FIELD_IPV6_UDP)
|
||||
static int fm10k_set_rss_hash_opt(struct fm10k_intfc *interface,
|
||||
struct ethtool_rxnfc *nfc)
|
||||
{
|
||||
u32 flags = interface->flags;
|
||||
|
||||
/* RSS does not support anything other than hashing
|
||||
* to queues on src and dst IPs and ports
|
||||
*/
|
||||
if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
|
||||
RXH_L4_B_0_1 | RXH_L4_B_2_3))
|
||||
return -EINVAL;
|
||||
|
||||
switch (nfc->flow_type) {
|
||||
case TCP_V4_FLOW:
|
||||
case TCP_V6_FLOW:
|
||||
if (!(nfc->data & RXH_IP_SRC) ||
|
||||
!(nfc->data & RXH_IP_DST) ||
|
||||
!(nfc->data & RXH_L4_B_0_1) ||
|
||||
!(nfc->data & RXH_L4_B_2_3))
|
||||
return -EINVAL;
|
||||
break;
|
||||
case UDP_V4_FLOW:
|
||||
if (!(nfc->data & RXH_IP_SRC) ||
|
||||
!(nfc->data & RXH_IP_DST))
|
||||
return -EINVAL;
|
||||
switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
|
||||
case 0:
|
||||
flags &= ~FM10K_FLAG_RSS_FIELD_IPV4_UDP;
|
||||
break;
|
||||
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
|
||||
flags |= FM10K_FLAG_RSS_FIELD_IPV4_UDP;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
break;
|
||||
case UDP_V6_FLOW:
|
||||
if (!(nfc->data & RXH_IP_SRC) ||
|
||||
!(nfc->data & RXH_IP_DST))
|
||||
return -EINVAL;
|
||||
switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
|
||||
case 0:
|
||||
flags &= ~FM10K_FLAG_RSS_FIELD_IPV6_UDP;
|
||||
break;
|
||||
case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
|
||||
flags |= FM10K_FLAG_RSS_FIELD_IPV6_UDP;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
break;
|
||||
case AH_ESP_V4_FLOW:
|
||||
case AH_V4_FLOW:
|
||||
case ESP_V4_FLOW:
|
||||
case SCTP_V4_FLOW:
|
||||
case AH_ESP_V6_FLOW:
|
||||
case AH_V6_FLOW:
|
||||
case ESP_V6_FLOW:
|
||||
case SCTP_V6_FLOW:
|
||||
if (!(nfc->data & RXH_IP_SRC) ||
|
||||
!(nfc->data & RXH_IP_DST) ||
|
||||
(nfc->data & RXH_L4_B_0_1) ||
|
||||
(nfc->data & RXH_L4_B_2_3))
|
||||
return -EINVAL;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* if we changed something we need to update flags */
|
||||
if (flags != interface->flags) {
|
||||
struct fm10k_hw *hw = &interface->hw;
|
||||
u32 mrqc;
|
||||
|
||||
if ((flags & UDP_RSS_FLAGS) &&
|
||||
!(interface->flags & UDP_RSS_FLAGS))
|
||||
netif_warn(interface, drv, interface->netdev,
|
||||
"enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
|
||||
|
||||
interface->flags = flags;
|
||||
|
||||
/* Perform hash on these packet types */
|
||||
mrqc = FM10K_MRQC_IPV4 |
|
||||
FM10K_MRQC_TCP_IPV4 |
|
||||
FM10K_MRQC_IPV6 |
|
||||
FM10K_MRQC_TCP_IPV6;
|
||||
|
||||
if (flags & FM10K_FLAG_RSS_FIELD_IPV4_UDP)
|
||||
mrqc |= FM10K_MRQC_UDP_IPV4;
|
||||
if (flags & FM10K_FLAG_RSS_FIELD_IPV6_UDP)
|
||||
mrqc |= FM10K_MRQC_UDP_IPV6;
|
||||
|
||||
fm10k_write_reg(hw, FM10K_MRQC(0), mrqc);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fm10k_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
|
||||
{
|
||||
struct fm10k_intfc *interface = netdev_priv(dev);
|
||||
int ret = -EOPNOTSUPP;
|
||||
|
||||
switch (cmd->cmd) {
|
||||
case ETHTOOL_SRXFH:
|
||||
ret = fm10k_set_rss_hash_opt(interface, cmd);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static u32 fm10k_get_reta_size(struct net_device *netdev)
|
||||
{
|
||||
return FM10K_RETA_SIZE * FM10K_RETA_ENTRIES_PER_REG;
|
||||
}
|
||||
|
||||
static int fm10k_get_reta(struct net_device *netdev, u32 *indir)
|
||||
{
|
||||
struct fm10k_intfc *interface = netdev_priv(netdev);
|
||||
int i;
|
||||
|
||||
if (!indir)
|
||||
return 0;
|
||||
|
||||
for (i = 0; i < FM10K_RETA_SIZE; i++, indir += 4) {
|
||||
u32 reta = interface->reta[i];
|
||||
|
||||
indir[0] = (reta << 24) >> 24;
|
||||
indir[1] = (reta << 16) >> 24;
|
||||
indir[2] = (reta << 8) >> 24;
|
||||
indir[3] = (reta) >> 24;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fm10k_set_reta(struct net_device *netdev, const u32 *indir)
|
||||
{
|
||||
struct fm10k_intfc *interface = netdev_priv(netdev);
|
||||
struct fm10k_hw *hw = &interface->hw;
|
||||
int i;
|
||||
u16 rss_i;
|
||||
|
||||
if (!indir)
|
||||
return 0;
|
||||
|
||||
/* Verify user input. */
|
||||
rss_i = interface->ring_feature[RING_F_RSS].indices;
|
||||
for (i = fm10k_get_reta_size(netdev); i--;) {
|
||||
if (indir[i] < rss_i)
|
||||
continue;
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* record entries to reta table */
|
||||
for (i = 0; i < FM10K_RETA_SIZE; i++, indir += 4) {
|
||||
u32 reta = indir[0] |
|
||||
(indir[1] << 8) |
|
||||
(indir[2] << 16) |
|
||||
(indir[3] << 24);
|
||||
|
||||
if (interface->reta[i] == reta)
|
||||
continue;
|
||||
|
||||
interface->reta[i] = reta;
|
||||
fm10k_write_reg(hw, FM10K_RETA(0, i), reta);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static u32 fm10k_get_rssrk_size(struct net_device *netdev)
|
||||
{
|
||||
return FM10K_RSSRK_SIZE * FM10K_RSSRK_ENTRIES_PER_REG;
|
||||
}
|
||||
|
||||
static int fm10k_get_rssh(struct net_device *netdev, u32 *indir, u8 *key)
|
||||
{
|
||||
struct fm10k_intfc *interface = netdev_priv(netdev);
|
||||
int i, err;
|
||||
|
||||
err = fm10k_get_reta(netdev, indir);
|
||||
if (err || !key)
|
||||
return err;
|
||||
|
||||
for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4)
|
||||
*(__le32 *)key = cpu_to_le32(interface->rssrk[i]);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int fm10k_set_rssh(struct net_device *netdev, const u32 *indir,
|
||||
const u8 *key)
|
||||
{
|
||||
struct fm10k_intfc *interface = netdev_priv(netdev);
|
||||
struct fm10k_hw *hw = &interface->hw;
|
||||
int i, err;
|
||||
|
||||
err = fm10k_set_reta(netdev, indir);
|
||||
if (err || !key)
|
||||
return err;
|
||||
|
||||
for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4) {
|
||||
u32 rssrk = le32_to_cpu(*(__le32 *)key);
|
||||
|
||||
if (interface->rssrk[i] == rssrk)
|
||||
continue;
|
||||
|
||||
interface->rssrk[i] = rssrk;
|
||||
fm10k_write_reg(hw, FM10K_RSSRK(0, i), rssrk);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct ethtool_ops fm10k_ethtool_ops = {
|
||||
.get_strings = fm10k_get_strings,
|
||||
.get_sset_count = fm10k_get_sset_count,
|
||||
.get_ethtool_stats = fm10k_get_ethtool_stats,
|
||||
.get_drvinfo = fm10k_get_drvinfo,
|
||||
.get_link = ethtool_op_get_link,
|
||||
.get_pauseparam = fm10k_get_pauseparam,
|
||||
.set_pauseparam = fm10k_set_pauseparam,
|
||||
.get_msglevel = fm10k_get_msglevel,
|
||||
.set_msglevel = fm10k_set_msglevel,
|
||||
.get_ringparam = fm10k_get_ringparam,
|
||||
.set_ringparam = fm10k_set_ringparam,
|
||||
.get_coalesce = fm10k_get_coalesce,
|
||||
.set_coalesce = fm10k_set_coalesce,
|
||||
.get_rxnfc = fm10k_get_rxnfc,
|
||||
.set_rxnfc = fm10k_set_rxnfc,
|
||||
.get_regs = fm10k_get_regs,
|
||||
.get_regs_len = fm10k_get_regs_len,
|
||||
.get_rxfh_indir_size = fm10k_get_reta_size,
|
||||
.get_rxfh_key_size = fm10k_get_rssrk_size,
|
||||
.get_rxfh = fm10k_get_rssh,
|
||||
.set_rxfh = fm10k_set_rssh,
|
||||
};
|
||||
|
||||
void fm10k_set_ethtool_ops(struct net_device *dev)
|
||||
{
|
||||
dev->ethtool_ops = &fm10k_ethtool_ops;
|
||||
}
|
||||
@ -1000,6 +1000,7 @@ struct net_device *fm10k_alloc_netdev(void)
|
||||
|
||||
/* set net device and ethtool ops */
|
||||
dev->netdev_ops = &fm10k_netdev_ops;
|
||||
fm10k_set_ethtool_ops(dev);
|
||||
|
||||
/* configure default debug level */
|
||||
interface = netdev_priv(dev);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user