934 lines
24 KiB
C
Executable file
934 lines
24 KiB
C
Executable file
/*
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* Copyright 2015 Amazon.com, Inc. or its affiliates.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <linux/pci.h>
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#include "ena_netdev.h"
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struct ena_stats {
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char name[ETH_GSTRING_LEN];
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int stat_offset;
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};
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#define ENA_STAT_ENA_COM_ENTRY(stat) { \
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.name = #stat, \
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.stat_offset = offsetof(struct ena_com_stats_admin, stat) \
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}
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#define ENA_STAT_ENTRY(stat, stat_type) { \
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.name = #stat, \
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.stat_offset = offsetof(struct ena_stats_##stat_type, stat) \
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}
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#define ENA_STAT_RX_ENTRY(stat) \
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ENA_STAT_ENTRY(stat, rx)
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#define ENA_STAT_TX_ENTRY(stat) \
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ENA_STAT_ENTRY(stat, tx)
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#define ENA_STAT_GLOBAL_ENTRY(stat) \
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ENA_STAT_ENTRY(stat, dev)
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static const struct ena_stats ena_stats_global_strings[] = {
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ENA_STAT_GLOBAL_ENTRY(tx_timeout),
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ENA_STAT_GLOBAL_ENTRY(suspend),
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ENA_STAT_GLOBAL_ENTRY(resume),
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ENA_STAT_GLOBAL_ENTRY(wd_expired),
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ENA_STAT_GLOBAL_ENTRY(interface_up),
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ENA_STAT_GLOBAL_ENTRY(interface_down),
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ENA_STAT_GLOBAL_ENTRY(admin_q_pause),
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};
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static const struct ena_stats ena_stats_tx_strings[] = {
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ENA_STAT_TX_ENTRY(cnt),
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ENA_STAT_TX_ENTRY(bytes),
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ENA_STAT_TX_ENTRY(queue_stop),
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ENA_STAT_TX_ENTRY(queue_wakeup),
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ENA_STAT_TX_ENTRY(dma_mapping_err),
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ENA_STAT_TX_ENTRY(linearize),
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ENA_STAT_TX_ENTRY(linearize_failed),
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ENA_STAT_TX_ENTRY(napi_comp),
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ENA_STAT_TX_ENTRY(tx_poll),
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ENA_STAT_TX_ENTRY(doorbells),
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ENA_STAT_TX_ENTRY(prepare_ctx_err),
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ENA_STAT_TX_ENTRY(bad_req_id),
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ENA_STAT_TX_ENTRY(missed_tx),
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};
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static const struct ena_stats ena_stats_rx_strings[] = {
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ENA_STAT_RX_ENTRY(cnt),
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ENA_STAT_RX_ENTRY(bytes),
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ENA_STAT_RX_ENTRY(refil_partial),
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ENA_STAT_RX_ENTRY(bad_csum),
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ENA_STAT_RX_ENTRY(page_alloc_fail),
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ENA_STAT_RX_ENTRY(skb_alloc_fail),
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ENA_STAT_RX_ENTRY(dma_mapping_err),
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ENA_STAT_RX_ENTRY(bad_desc_num),
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ENA_STAT_RX_ENTRY(rx_copybreak_pkt),
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ENA_STAT_RX_ENTRY(bad_req_id),
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ENA_STAT_RX_ENTRY(empty_rx_ring),
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};
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static const struct ena_stats ena_stats_ena_com_strings[] = {
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ENA_STAT_ENA_COM_ENTRY(aborted_cmd),
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ENA_STAT_ENA_COM_ENTRY(submitted_cmd),
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ENA_STAT_ENA_COM_ENTRY(completed_cmd),
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ENA_STAT_ENA_COM_ENTRY(out_of_space),
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ENA_STAT_ENA_COM_ENTRY(no_completion),
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};
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#define ENA_STATS_ARRAY_GLOBAL ARRAY_SIZE(ena_stats_global_strings)
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#define ENA_STATS_ARRAY_TX ARRAY_SIZE(ena_stats_tx_strings)
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#define ENA_STATS_ARRAY_RX ARRAY_SIZE(ena_stats_rx_strings)
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#define ENA_STATS_ARRAY_ENA_COM ARRAY_SIZE(ena_stats_ena_com_strings)
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static void ena_safe_update_stat(u64 *src, u64 *dst,
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struct u64_stats_sync *syncp)
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{
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unsigned int start;
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do {
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start = u64_stats_fetch_begin_irq(syncp);
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*(dst) = *src;
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} while (u64_stats_fetch_retry_irq(syncp, start));
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}
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static void ena_queue_stats(struct ena_adapter *adapter, u64 **data)
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{
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const struct ena_stats *ena_stats;
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struct ena_ring *ring;
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u64 *ptr;
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int i, j;
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for (i = 0; i < adapter->num_queues; i++) {
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/* Tx stats */
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ring = &adapter->tx_ring[i];
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for (j = 0; j < ENA_STATS_ARRAY_TX; j++) {
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ena_stats = &ena_stats_tx_strings[j];
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ptr = (u64 *)((uintptr_t)&ring->tx_stats +
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(uintptr_t)ena_stats->stat_offset);
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ena_safe_update_stat(ptr, (*data)++, &ring->syncp);
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}
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/* Rx stats */
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ring = &adapter->rx_ring[i];
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for (j = 0; j < ENA_STATS_ARRAY_RX; j++) {
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ena_stats = &ena_stats_rx_strings[j];
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ptr = (u64 *)((uintptr_t)&ring->rx_stats +
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(uintptr_t)ena_stats->stat_offset);
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ena_safe_update_stat(ptr, (*data)++, &ring->syncp);
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}
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}
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}
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static void ena_dev_admin_queue_stats(struct ena_adapter *adapter, u64 **data)
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{
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const struct ena_stats *ena_stats;
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u32 *ptr;
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int i;
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for (i = 0; i < ENA_STATS_ARRAY_ENA_COM; i++) {
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ena_stats = &ena_stats_ena_com_strings[i];
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ptr = (u32 *)((uintptr_t)&adapter->ena_dev->admin_queue.stats +
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(uintptr_t)ena_stats->stat_offset);
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*(*data)++ = *ptr;
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}
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}
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static void ena_get_ethtool_stats(struct net_device *netdev,
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struct ethtool_stats *stats,
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u64 *data)
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{
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struct ena_adapter *adapter = netdev_priv(netdev);
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const struct ena_stats *ena_stats;
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u64 *ptr;
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int i;
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for (i = 0; i < ENA_STATS_ARRAY_GLOBAL; i++) {
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ena_stats = &ena_stats_global_strings[i];
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ptr = (u64 *)((uintptr_t)&adapter->dev_stats +
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(uintptr_t)ena_stats->stat_offset);
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ena_safe_update_stat(ptr, data++, &adapter->syncp);
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}
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ena_queue_stats(adapter, &data);
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ena_dev_admin_queue_stats(adapter, &data);
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}
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int ena_get_sset_count(struct net_device *netdev, int sset)
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{
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struct ena_adapter *adapter = netdev_priv(netdev);
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if (sset != ETH_SS_STATS)
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return -EOPNOTSUPP;
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return adapter->num_queues * (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX)
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+ ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENA_COM;
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}
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static void ena_queue_strings(struct ena_adapter *adapter, u8 **data)
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{
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const struct ena_stats *ena_stats;
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int i, j;
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for (i = 0; i < adapter->num_queues; i++) {
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/* Tx stats */
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for (j = 0; j < ENA_STATS_ARRAY_TX; j++) {
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ena_stats = &ena_stats_tx_strings[j];
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snprintf(*data, ETH_GSTRING_LEN,
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"queue_%u_tx_%s", i, ena_stats->name);
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(*data) += ETH_GSTRING_LEN;
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}
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/* Rx stats */
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for (j = 0; j < ENA_STATS_ARRAY_RX; j++) {
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ena_stats = &ena_stats_rx_strings[j];
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snprintf(*data, ETH_GSTRING_LEN,
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"queue_%u_rx_%s", i, ena_stats->name);
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(*data) += ETH_GSTRING_LEN;
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}
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}
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}
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static void ena_com_dev_strings(u8 **data)
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{
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const struct ena_stats *ena_stats;
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int i;
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for (i = 0; i < ENA_STATS_ARRAY_ENA_COM; i++) {
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ena_stats = &ena_stats_ena_com_strings[i];
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snprintf(*data, ETH_GSTRING_LEN,
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"ena_admin_q_%s", ena_stats->name);
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(*data) += ETH_GSTRING_LEN;
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}
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}
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static void ena_get_strings(struct net_device *netdev, u32 sset, u8 *data)
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{
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struct ena_adapter *adapter = netdev_priv(netdev);
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const struct ena_stats *ena_stats;
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int i;
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if (sset != ETH_SS_STATS)
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return;
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for (i = 0; i < ENA_STATS_ARRAY_GLOBAL; i++) {
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ena_stats = &ena_stats_global_strings[i];
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memcpy(data, ena_stats->name, ETH_GSTRING_LEN);
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data += ETH_GSTRING_LEN;
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}
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ena_queue_strings(adapter, &data);
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ena_com_dev_strings(&data);
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}
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static int ena_get_link_ksettings(struct net_device *netdev,
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struct ethtool_link_ksettings *link_ksettings)
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{
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struct ena_adapter *adapter = netdev_priv(netdev);
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struct ena_com_dev *ena_dev = adapter->ena_dev;
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struct ena_admin_get_feature_link_desc *link;
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struct ena_admin_get_feat_resp feat_resp;
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int rc;
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rc = ena_com_get_link_params(ena_dev, &feat_resp);
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if (rc)
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return rc;
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link = &feat_resp.u.link;
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link_ksettings->base.speed = link->speed;
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if (link->flags & ENA_ADMIN_GET_FEATURE_LINK_DESC_AUTONEG_MASK) {
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ethtool_link_ksettings_add_link_mode(link_ksettings,
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supported, Autoneg);
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ethtool_link_ksettings_add_link_mode(link_ksettings,
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supported, Autoneg);
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}
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link_ksettings->base.autoneg =
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(link->flags & ENA_ADMIN_GET_FEATURE_LINK_DESC_AUTONEG_MASK) ?
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AUTONEG_ENABLE : AUTONEG_DISABLE;
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link_ksettings->base.duplex = DUPLEX_FULL;
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return 0;
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}
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static int ena_get_coalesce(struct net_device *net_dev,
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struct ethtool_coalesce *coalesce)
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{
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struct ena_adapter *adapter = netdev_priv(net_dev);
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struct ena_com_dev *ena_dev = adapter->ena_dev;
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struct ena_intr_moder_entry intr_moder_entry;
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if (!ena_com_interrupt_moderation_supported(ena_dev)) {
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/* the devie doesn't support interrupt moderation */
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return -EOPNOTSUPP;
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}
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coalesce->tx_coalesce_usecs =
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ena_com_get_nonadaptive_moderation_interval_tx(ena_dev) /
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ena_dev->intr_delay_resolution;
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if (!ena_com_get_adaptive_moderation_enabled(ena_dev)) {
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coalesce->rx_coalesce_usecs =
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ena_com_get_nonadaptive_moderation_interval_rx(ena_dev)
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/ ena_dev->intr_delay_resolution;
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} else {
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ena_com_get_intr_moderation_entry(adapter->ena_dev, ENA_INTR_MODER_LOWEST, &intr_moder_entry);
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coalesce->rx_coalesce_usecs_low = intr_moder_entry.intr_moder_interval;
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coalesce->rx_max_coalesced_frames_low = intr_moder_entry.pkts_per_interval;
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ena_com_get_intr_moderation_entry(adapter->ena_dev, ENA_INTR_MODER_MID, &intr_moder_entry);
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coalesce->rx_coalesce_usecs = intr_moder_entry.intr_moder_interval;
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coalesce->rx_max_coalesced_frames = intr_moder_entry.pkts_per_interval;
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ena_com_get_intr_moderation_entry(adapter->ena_dev, ENA_INTR_MODER_HIGHEST, &intr_moder_entry);
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coalesce->rx_coalesce_usecs_high = intr_moder_entry.intr_moder_interval;
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coalesce->rx_max_coalesced_frames_high = intr_moder_entry.pkts_per_interval;
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}
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coalesce->use_adaptive_rx_coalesce =
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ena_com_get_adaptive_moderation_enabled(ena_dev);
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return 0;
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}
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static void ena_update_tx_rings_intr_moderation(struct ena_adapter *adapter)
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{
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unsigned int val;
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int i;
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val = ena_com_get_nonadaptive_moderation_interval_tx(adapter->ena_dev);
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for (i = 0; i < adapter->num_queues; i++)
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adapter->tx_ring[i].smoothed_interval = val;
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}
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static int ena_set_coalesce(struct net_device *net_dev,
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struct ethtool_coalesce *coalesce)
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{
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struct ena_adapter *adapter = netdev_priv(net_dev);
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struct ena_com_dev *ena_dev = adapter->ena_dev;
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struct ena_intr_moder_entry intr_moder_entry;
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int rc;
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if (!ena_com_interrupt_moderation_supported(ena_dev)) {
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/* the devie doesn't support interrupt moderation */
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return -EOPNOTSUPP;
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}
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if (coalesce->rx_coalesce_usecs_irq ||
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coalesce->rx_max_coalesced_frames_irq ||
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coalesce->tx_coalesce_usecs_irq ||
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coalesce->tx_max_coalesced_frames ||
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coalesce->tx_max_coalesced_frames_irq ||
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coalesce->stats_block_coalesce_usecs ||
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coalesce->use_adaptive_tx_coalesce ||
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coalesce->pkt_rate_low ||
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coalesce->tx_coalesce_usecs_low ||
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coalesce->tx_max_coalesced_frames_low ||
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coalesce->pkt_rate_high ||
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coalesce->tx_coalesce_usecs_high ||
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coalesce->tx_max_coalesced_frames_high ||
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coalesce->rate_sample_interval)
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return -EINVAL;
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rc = ena_com_update_nonadaptive_moderation_interval_tx(ena_dev,
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coalesce->tx_coalesce_usecs);
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if (rc)
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return rc;
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ena_update_tx_rings_intr_moderation(adapter);
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if (ena_com_get_adaptive_moderation_enabled(ena_dev)) {
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if (!coalesce->use_adaptive_rx_coalesce) {
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ena_com_disable_adaptive_moderation(ena_dev);
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rc = ena_com_update_nonadaptive_moderation_interval_rx(ena_dev,
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coalesce->rx_coalesce_usecs);
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return rc;
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}
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} else { /* was in non-adaptive mode */
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if (coalesce->use_adaptive_rx_coalesce) {
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ena_com_enable_adaptive_moderation(ena_dev);
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} else {
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rc = ena_com_update_nonadaptive_moderation_interval_rx(ena_dev,
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coalesce->rx_coalesce_usecs);
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return rc;
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}
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}
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intr_moder_entry.intr_moder_interval = coalesce->rx_coalesce_usecs_low;
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intr_moder_entry.pkts_per_interval = coalesce->rx_max_coalesced_frames_low;
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intr_moder_entry.bytes_per_interval = ENA_INTR_BYTE_COUNT_NOT_SUPPORTED;
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ena_com_init_intr_moderation_entry(adapter->ena_dev, ENA_INTR_MODER_LOWEST, &intr_moder_entry);
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intr_moder_entry.intr_moder_interval = coalesce->rx_coalesce_usecs;
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intr_moder_entry.pkts_per_interval = coalesce->rx_max_coalesced_frames;
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intr_moder_entry.bytes_per_interval = ENA_INTR_BYTE_COUNT_NOT_SUPPORTED;
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ena_com_init_intr_moderation_entry(adapter->ena_dev, ENA_INTR_MODER_MID, &intr_moder_entry);
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intr_moder_entry.intr_moder_interval = coalesce->rx_coalesce_usecs_high;
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intr_moder_entry.pkts_per_interval = coalesce->rx_max_coalesced_frames_high;
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intr_moder_entry.bytes_per_interval = ENA_INTR_BYTE_COUNT_NOT_SUPPORTED;
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ena_com_init_intr_moderation_entry(adapter->ena_dev, ENA_INTR_MODER_HIGHEST, &intr_moder_entry);
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return 0;
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}
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static u32 ena_get_msglevel(struct net_device *netdev)
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{
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struct ena_adapter *adapter = netdev_priv(netdev);
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return adapter->msg_enable;
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}
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static void ena_set_msglevel(struct net_device *netdev, u32 value)
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{
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struct ena_adapter *adapter = netdev_priv(netdev);
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adapter->msg_enable = value;
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}
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static void ena_get_drvinfo(struct net_device *dev,
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struct ethtool_drvinfo *info)
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{
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struct ena_adapter *adapter = netdev_priv(dev);
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strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
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strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
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strlcpy(info->bus_info, pci_name(adapter->pdev),
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sizeof(info->bus_info));
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}
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static void ena_get_ringparam(struct net_device *netdev,
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struct ethtool_ringparam *ring)
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{
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struct ena_adapter *adapter = netdev_priv(netdev);
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struct ena_ring *tx_ring = &adapter->tx_ring[0];
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struct ena_ring *rx_ring = &adapter->rx_ring[0];
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ring->rx_max_pending = rx_ring->ring_size;
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ring->tx_max_pending = tx_ring->ring_size;
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ring->rx_pending = rx_ring->ring_size;
|
|
ring->tx_pending = tx_ring->ring_size;
|
|
}
|
|
|
|
static u32 ena_flow_hash_to_flow_type(u16 hash_fields)
|
|
{
|
|
u32 data = 0;
|
|
|
|
if (hash_fields & ENA_ADMIN_RSS_L2_DA)
|
|
data |= RXH_L2DA;
|
|
|
|
if (hash_fields & ENA_ADMIN_RSS_L3_DA)
|
|
data |= RXH_IP_DST;
|
|
|
|
if (hash_fields & ENA_ADMIN_RSS_L3_SA)
|
|
data |= RXH_IP_SRC;
|
|
|
|
if (hash_fields & ENA_ADMIN_RSS_L4_DP)
|
|
data |= RXH_L4_B_2_3;
|
|
|
|
if (hash_fields & ENA_ADMIN_RSS_L4_SP)
|
|
data |= RXH_L4_B_0_1;
|
|
|
|
return data;
|
|
}
|
|
|
|
static u16 ena_flow_data_to_flow_hash(u32 hash_fields)
|
|
{
|
|
u16 data = 0;
|
|
|
|
if (hash_fields & RXH_L2DA)
|
|
data |= ENA_ADMIN_RSS_L2_DA;
|
|
|
|
if (hash_fields & RXH_IP_DST)
|
|
data |= ENA_ADMIN_RSS_L3_DA;
|
|
|
|
if (hash_fields & RXH_IP_SRC)
|
|
data |= ENA_ADMIN_RSS_L3_SA;
|
|
|
|
if (hash_fields & RXH_L4_B_2_3)
|
|
data |= ENA_ADMIN_RSS_L4_DP;
|
|
|
|
if (hash_fields & RXH_L4_B_0_1)
|
|
data |= ENA_ADMIN_RSS_L4_SP;
|
|
|
|
return data;
|
|
}
|
|
|
|
static int ena_get_rss_hash(struct ena_com_dev *ena_dev,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
enum ena_admin_flow_hash_proto proto;
|
|
u16 hash_fields;
|
|
int rc;
|
|
|
|
cmd->data = 0;
|
|
|
|
switch (cmd->flow_type) {
|
|
case TCP_V4_FLOW:
|
|
proto = ENA_ADMIN_RSS_TCP4;
|
|
break;
|
|
case UDP_V4_FLOW:
|
|
proto = ENA_ADMIN_RSS_UDP4;
|
|
break;
|
|
case TCP_V6_FLOW:
|
|
proto = ENA_ADMIN_RSS_TCP6;
|
|
break;
|
|
case UDP_V6_FLOW:
|
|
proto = ENA_ADMIN_RSS_UDP6;
|
|
break;
|
|
case IPV4_FLOW:
|
|
proto = ENA_ADMIN_RSS_IP4;
|
|
break;
|
|
case IPV6_FLOW:
|
|
proto = ENA_ADMIN_RSS_IP6;
|
|
break;
|
|
case ETHER_FLOW:
|
|
proto = ENA_ADMIN_RSS_NOT_IP;
|
|
break;
|
|
case AH_V4_FLOW:
|
|
case ESP_V4_FLOW:
|
|
case AH_V6_FLOW:
|
|
case ESP_V6_FLOW:
|
|
case SCTP_V4_FLOW:
|
|
case AH_ESP_V4_FLOW:
|
|
return -EOPNOTSUPP;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
rc = ena_com_get_hash_ctrl(ena_dev, proto, &hash_fields);
|
|
if (rc)
|
|
return rc;
|
|
|
|
cmd->data = ena_flow_hash_to_flow_type(hash_fields);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ena_set_rss_hash(struct ena_com_dev *ena_dev,
|
|
struct ethtool_rxnfc *cmd)
|
|
{
|
|
enum ena_admin_flow_hash_proto proto;
|
|
u16 hash_fields;
|
|
|
|
switch (cmd->flow_type) {
|
|
case TCP_V4_FLOW:
|
|
proto = ENA_ADMIN_RSS_TCP4;
|
|
break;
|
|
case UDP_V4_FLOW:
|
|
proto = ENA_ADMIN_RSS_UDP4;
|
|
break;
|
|
case TCP_V6_FLOW:
|
|
proto = ENA_ADMIN_RSS_TCP6;
|
|
break;
|
|
case UDP_V6_FLOW:
|
|
proto = ENA_ADMIN_RSS_UDP6;
|
|
break;
|
|
case IPV4_FLOW:
|
|
proto = ENA_ADMIN_RSS_IP4;
|
|
break;
|
|
case IPV6_FLOW:
|
|
proto = ENA_ADMIN_RSS_IP6;
|
|
break;
|
|
case ETHER_FLOW:
|
|
proto = ENA_ADMIN_RSS_NOT_IP;
|
|
break;
|
|
case AH_V4_FLOW:
|
|
case ESP_V4_FLOW:
|
|
case AH_V6_FLOW:
|
|
case ESP_V6_FLOW:
|
|
case SCTP_V4_FLOW:
|
|
case AH_ESP_V4_FLOW:
|
|
return -EOPNOTSUPP;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
hash_fields = ena_flow_data_to_flow_hash(cmd->data);
|
|
|
|
return ena_com_fill_hash_ctrl(ena_dev, proto, hash_fields);
|
|
}
|
|
|
|
static int ena_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info)
|
|
{
|
|
struct ena_adapter *adapter = netdev_priv(netdev);
|
|
int rc = 0;
|
|
|
|
switch (info->cmd) {
|
|
case ETHTOOL_SRXFH:
|
|
rc = ena_set_rss_hash(adapter->ena_dev, info);
|
|
break;
|
|
case ETHTOOL_SRXCLSRLDEL:
|
|
case ETHTOOL_SRXCLSRLINS:
|
|
default:
|
|
netif_err(adapter, drv, netdev,
|
|
"Command parameter %d is not supported\n", info->cmd);
|
|
rc = -EOPNOTSUPP;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int ena_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info,
|
|
u32 *rules)
|
|
{
|
|
struct ena_adapter *adapter = netdev_priv(netdev);
|
|
int rc = 0;
|
|
|
|
switch (info->cmd) {
|
|
case ETHTOOL_GRXRINGS:
|
|
info->data = adapter->num_queues;
|
|
rc = 0;
|
|
break;
|
|
case ETHTOOL_GRXFH:
|
|
rc = ena_get_rss_hash(adapter->ena_dev, info);
|
|
break;
|
|
case ETHTOOL_GRXCLSRLCNT:
|
|
case ETHTOOL_GRXCLSRULE:
|
|
case ETHTOOL_GRXCLSRLALL:
|
|
default:
|
|
netif_err(adapter, drv, netdev,
|
|
"Command parameter %d is not supported\n", info->cmd);
|
|
rc = -EOPNOTSUPP;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static u32 ena_get_rxfh_indir_size(struct net_device *netdev)
|
|
{
|
|
return ENA_RX_RSS_TABLE_SIZE;
|
|
}
|
|
|
|
static u32 ena_get_rxfh_key_size(struct net_device *netdev)
|
|
{
|
|
return ENA_HASH_KEY_SIZE;
|
|
}
|
|
|
|
static int ena_indirection_table_get(struct ena_adapter *adapter, u32 *indir)
|
|
{
|
|
struct ena_com_dev *ena_dev = adapter->ena_dev;
|
|
int i, rc;
|
|
|
|
if (!indir)
|
|
return 0;
|
|
|
|
rc = ena_com_indirect_table_get(ena_dev, indir);
|
|
if (rc)
|
|
return rc;
|
|
|
|
/* Our internal representation of the indices is: even indices
|
|
* for Tx and uneven indices for Rx. We need to convert the Rx
|
|
* indices to be consecutive
|
|
*/
|
|
for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; i++)
|
|
indir[i] = ENA_IO_RXQ_IDX_TO_COMBINED_IDX(indir[i]);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
|
|
u8 *hfunc)
|
|
{
|
|
struct ena_adapter *adapter = netdev_priv(netdev);
|
|
enum ena_admin_hash_functions ena_func;
|
|
u8 func;
|
|
int rc;
|
|
|
|
rc = ena_indirection_table_get(adapter, indir);
|
|
if (rc)
|
|
return rc;
|
|
|
|
/* We call this function in order to check if the device
|
|
* supports getting/setting the hash function.
|
|
*/
|
|
rc = ena_com_get_hash_function(adapter->ena_dev, &ena_func, key);
|
|
|
|
if (rc) {
|
|
if (rc == -EOPNOTSUPP) {
|
|
key = NULL;
|
|
hfunc = NULL;
|
|
rc = 0;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
if (rc)
|
|
return rc;
|
|
|
|
switch (ena_func) {
|
|
case ENA_ADMIN_TOEPLITZ:
|
|
func = ETH_RSS_HASH_TOP;
|
|
break;
|
|
case ENA_ADMIN_CRC32:
|
|
func = ETH_RSS_HASH_CRC32;
|
|
break;
|
|
default:
|
|
netif_err(adapter, drv, netdev,
|
|
"Command parameter is not supported\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (hfunc)
|
|
*hfunc = func;
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int ena_set_rxfh(struct net_device *netdev, const u32 *indir,
|
|
const u8 *key, const u8 hfunc)
|
|
{
|
|
struct ena_adapter *adapter = netdev_priv(netdev);
|
|
struct ena_com_dev *ena_dev = adapter->ena_dev;
|
|
enum ena_admin_hash_functions func;
|
|
int rc, i;
|
|
|
|
if (indir) {
|
|
for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; i++) {
|
|
rc = ena_com_indirect_table_fill_entry(ena_dev,
|
|
i,
|
|
ENA_IO_RXQ_IDX(indir[i]));
|
|
if (unlikely(rc)) {
|
|
netif_err(adapter, drv, netdev,
|
|
"Cannot fill indirect table (index is too large)\n");
|
|
return rc;
|
|
}
|
|
}
|
|
|
|
rc = ena_com_indirect_table_set(ena_dev);
|
|
if (rc) {
|
|
netif_err(adapter, drv, netdev,
|
|
"Cannot set indirect table\n");
|
|
return rc == -EPERM ? -EOPNOTSUPP : rc;
|
|
}
|
|
}
|
|
|
|
switch (hfunc) {
|
|
case ETH_RSS_HASH_NO_CHANGE:
|
|
func = ena_com_get_current_hash_function(ena_dev);
|
|
break;
|
|
case ETH_RSS_HASH_TOP:
|
|
func = ENA_ADMIN_TOEPLITZ;
|
|
break;
|
|
case ETH_RSS_HASH_CRC32:
|
|
func = ENA_ADMIN_CRC32;
|
|
break;
|
|
default:
|
|
netif_err(adapter, drv, netdev, "Unsupported hfunc %d\n",
|
|
hfunc);
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (key) {
|
|
rc = ena_com_fill_hash_function(ena_dev, func, key,
|
|
ENA_HASH_KEY_SIZE,
|
|
0xFFFFFFFF);
|
|
if (unlikely(rc)) {
|
|
netif_err(adapter, drv, netdev, "Cannot fill key\n");
|
|
return rc == -EPERM ? -EOPNOTSUPP : rc;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void ena_get_channels(struct net_device *netdev,
|
|
struct ethtool_channels *channels)
|
|
{
|
|
struct ena_adapter *adapter = netdev_priv(netdev);
|
|
|
|
channels->max_rx = adapter->num_queues;
|
|
channels->max_tx = adapter->num_queues;
|
|
channels->max_other = 0;
|
|
channels->max_combined = 0;
|
|
channels->rx_count = adapter->num_queues;
|
|
channels->tx_count = adapter->num_queues;
|
|
channels->other_count = 0;
|
|
channels->combined_count = 0;
|
|
}
|
|
|
|
static int ena_get_tunable(struct net_device *netdev,
|
|
const struct ethtool_tunable *tuna, void *data)
|
|
{
|
|
struct ena_adapter *adapter = netdev_priv(netdev);
|
|
int ret = 0;
|
|
|
|
switch (tuna->id) {
|
|
case ETHTOOL_RX_COPYBREAK:
|
|
*(u32 *)data = adapter->rx_copybreak;
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ena_set_tunable(struct net_device *netdev,
|
|
const struct ethtool_tunable *tuna,
|
|
const void *data)
|
|
{
|
|
struct ena_adapter *adapter = netdev_priv(netdev);
|
|
int ret = 0;
|
|
u32 len;
|
|
|
|
switch (tuna->id) {
|
|
case ETHTOOL_RX_COPYBREAK:
|
|
len = *(u32 *)data;
|
|
if (len > adapter->netdev->mtu) {
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
adapter->rx_copybreak = len;
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct ethtool_ops ena_ethtool_ops = {
|
|
.get_link_ksettings = ena_get_link_ksettings,
|
|
.get_drvinfo = ena_get_drvinfo,
|
|
.get_msglevel = ena_get_msglevel,
|
|
.set_msglevel = ena_set_msglevel,
|
|
.get_link = ethtool_op_get_link,
|
|
.get_coalesce = ena_get_coalesce,
|
|
.set_coalesce = ena_set_coalesce,
|
|
.get_ringparam = ena_get_ringparam,
|
|
.get_sset_count = ena_get_sset_count,
|
|
.get_strings = ena_get_strings,
|
|
.get_ethtool_stats = ena_get_ethtool_stats,
|
|
.get_rxnfc = ena_get_rxnfc,
|
|
.set_rxnfc = ena_set_rxnfc,
|
|
.get_rxfh_indir_size = ena_get_rxfh_indir_size,
|
|
.get_rxfh_key_size = ena_get_rxfh_key_size,
|
|
.get_rxfh = ena_get_rxfh,
|
|
.set_rxfh = ena_set_rxfh,
|
|
.get_channels = ena_get_channels,
|
|
.get_tunable = ena_get_tunable,
|
|
.set_tunable = ena_set_tunable,
|
|
.get_ts_info = ethtool_op_get_ts_info,
|
|
};
|
|
|
|
void ena_set_ethtool_ops(struct net_device *netdev)
|
|
{
|
|
netdev->ethtool_ops = &ena_ethtool_ops;
|
|
}
|
|
|
|
static void ena_dump_stats_ex(struct ena_adapter *adapter, u8 *buf)
|
|
{
|
|
struct net_device *netdev = adapter->netdev;
|
|
u8 *strings_buf;
|
|
u64 *data_buf;
|
|
int strings_num;
|
|
int i, rc;
|
|
|
|
strings_num = ena_get_sset_count(netdev, ETH_SS_STATS);
|
|
if (strings_num <= 0) {
|
|
netif_err(adapter, drv, netdev, "Can't get stats num\n");
|
|
return;
|
|
}
|
|
|
|
strings_buf = devm_kcalloc(&adapter->pdev->dev,
|
|
ETH_GSTRING_LEN, strings_num,
|
|
GFP_ATOMIC);
|
|
if (!strings_buf) {
|
|
netif_err(adapter, drv, netdev,
|
|
"failed to alloc strings_buf\n");
|
|
return;
|
|
}
|
|
|
|
data_buf = devm_kcalloc(&adapter->pdev->dev,
|
|
strings_num, sizeof(u64),
|
|
GFP_ATOMIC);
|
|
if (!data_buf) {
|
|
netif_err(adapter, drv, netdev,
|
|
"failed to allocate data buf\n");
|
|
devm_kfree(&adapter->pdev->dev, strings_buf);
|
|
return;
|
|
}
|
|
|
|
ena_get_strings(netdev, ETH_SS_STATS, strings_buf);
|
|
ena_get_ethtool_stats(netdev, NULL, data_buf);
|
|
|
|
/* If there is a buffer, dump stats, otherwise print them to dmesg */
|
|
if (buf)
|
|
for (i = 0; i < strings_num; i++) {
|
|
rc = snprintf(buf, ETH_GSTRING_LEN + sizeof(u64),
|
|
"%s %llu\n",
|
|
strings_buf + i * ETH_GSTRING_LEN,
|
|
data_buf[i]);
|
|
buf += rc;
|
|
}
|
|
else
|
|
for (i = 0; i < strings_num; i++)
|
|
netif_err(adapter, drv, netdev, "%s: %llu\n",
|
|
strings_buf + i * ETH_GSTRING_LEN,
|
|
data_buf[i]);
|
|
|
|
devm_kfree(&adapter->pdev->dev, strings_buf);
|
|
devm_kfree(&adapter->pdev->dev, data_buf);
|
|
}
|
|
|
|
void ena_dump_stats_to_buf(struct ena_adapter *adapter, u8 *buf)
|
|
{
|
|
if (!buf)
|
|
return;
|
|
|
|
ena_dump_stats_ex(adapter, buf);
|
|
}
|
|
|
|
void ena_dump_stats_to_dmesg(struct ena_adapter *adapter)
|
|
{
|
|
ena_dump_stats_ex(adapter, NULL);
|
|
}
|