1009 lines
24 KiB
C
1009 lines
24 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
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/*
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* Copyright 2015-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
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*/
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#include <linux/ethtool.h>
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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) / sizeof(u64) \
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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) / sizeof(u64) \
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}
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#define ENA_STAT_HW_ENTRY(stat, stat_type) { \
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.name = #stat, \
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.stat_offset = offsetof(struct ena_admin_##stat_type, stat) / sizeof(u64) \
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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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#define ENA_STAT_ENI_ENTRY(stat) \
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ENA_STAT_HW_ENTRY(stat, eni_stats)
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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_eni_strings[] = {
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ENA_STAT_ENI_ENTRY(bw_in_allowance_exceeded),
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ENA_STAT_ENI_ENTRY(bw_out_allowance_exceeded),
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ENA_STAT_ENI_ENTRY(pps_allowance_exceeded),
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ENA_STAT_ENI_ENTRY(conntrack_allowance_exceeded),
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ENA_STAT_ENI_ENTRY(linklocal_allowance_exceeded),
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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(llq_buffer_copy),
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ENA_STAT_TX_ENTRY(missed_tx),
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ENA_STAT_TX_ENTRY(unmask_interrupt),
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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(rx_copybreak_pkt),
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ENA_STAT_RX_ENTRY(csum_good),
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ENA_STAT_RX_ENTRY(refil_partial),
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ENA_STAT_RX_ENTRY(csum_bad),
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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(bad_req_id),
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ENA_STAT_RX_ENTRY(empty_rx_ring),
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ENA_STAT_RX_ENTRY(csum_unchecked),
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ENA_STAT_RX_ENTRY(xdp_aborted),
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ENA_STAT_RX_ENTRY(xdp_drop),
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ENA_STAT_RX_ENTRY(xdp_pass),
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ENA_STAT_RX_ENTRY(xdp_tx),
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ENA_STAT_RX_ENTRY(xdp_invalid),
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ENA_STAT_RX_ENTRY(xdp_redirect),
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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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#define ENA_STATS_ARRAY_ENI(adapter) ARRAY_SIZE(ena_stats_eni_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(syncp);
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*(dst) = *src;
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} while (u64_stats_fetch_retry(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_io_queues + adapter->xdp_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 *)&ring->tx_stats + ena_stats->stat_offset;
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ena_safe_update_stat(ptr, (*data)++, &ring->syncp);
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}
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/* XDP TX queues don't have a RX queue counterpart */
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if (!ENA_IS_XDP_INDEX(adapter, i)) {
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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 *)&ring->rx_stats +
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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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}
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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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u64 *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 = (u64 *)&adapter->ena_dev->admin_queue.stats +
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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_stats(struct ena_adapter *adapter,
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u64 *data,
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bool eni_stats_needed)
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{
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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 *)&adapter->dev_stats + ena_stats->stat_offset;
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ena_safe_update_stat(ptr, data++, &adapter->syncp);
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}
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if (eni_stats_needed) {
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ena_update_hw_stats(adapter);
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for (i = 0; i < ENA_STATS_ARRAY_ENI(adapter); i++) {
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ena_stats = &ena_stats_eni_strings[i];
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ptr = (u64 *)&adapter->eni_stats +
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ena_stats->stat_offset;
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ena_safe_update_stat(ptr, data++, &adapter->syncp);
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}
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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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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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struct ena_com_dev *dev = adapter->ena_dev;
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ena_get_stats(adapter, data, ena_com_get_cap(dev, ENA_ADMIN_ENI_STATS));
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}
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static int ena_get_sw_stats_count(struct ena_adapter *adapter)
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{
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return adapter->num_io_queues * (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX)
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+ adapter->xdp_num_queues * ENA_STATS_ARRAY_TX
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+ ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENA_COM;
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}
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static int ena_get_hw_stats_count(struct ena_adapter *adapter)
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{
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bool supported = ena_com_get_cap(adapter->ena_dev, ENA_ADMIN_ENI_STATS);
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return ENA_STATS_ARRAY_ENI(adapter) * supported;
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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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switch (sset) {
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case ETH_SS_STATS:
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return ena_get_sw_stats_count(adapter) +
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ena_get_hw_stats_count(adapter);
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}
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return -EOPNOTSUPP;
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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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bool is_xdp;
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int i, j;
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for (i = 0; i < adapter->num_io_queues + adapter->xdp_num_queues; i++) {
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is_xdp = ENA_IS_XDP_INDEX(adapter, 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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ethtool_sprintf(data,
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"queue_%u_%s_%s", i,
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is_xdp ? "xdp_tx" : "tx",
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ena_stats->name);
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}
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if (!is_xdp) {
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/* RX stats, in XDP there isn't a RX queue
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* counterpart
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*/
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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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ethtool_sprintf(data,
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"queue_%u_rx_%s", i,
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ena_stats->name);
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}
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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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ethtool_sprintf(data,
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"ena_admin_q_%s", ena_stats->name);
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}
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}
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static void ena_get_strings(struct ena_adapter *adapter,
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u8 *data,
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bool eni_stats_needed)
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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_GLOBAL; i++) {
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ena_stats = &ena_stats_global_strings[i];
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ethtool_sprintf(&data, ena_stats->name);
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}
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if (eni_stats_needed) {
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for (i = 0; i < ENA_STATS_ARRAY_ENI(adapter); i++) {
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ena_stats = &ena_stats_eni_strings[i];
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ethtool_sprintf(&data, ena_stats->name);
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}
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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 void ena_get_ethtool_strings(struct net_device *netdev,
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u32 sset,
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u8 *data)
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{
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struct ena_adapter *adapter = netdev_priv(netdev);
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struct ena_com_dev *dev = adapter->ena_dev;
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switch (sset) {
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case ETH_SS_STATS:
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ena_get_strings(adapter, data, ena_com_get_cap(dev, ENA_ADMIN_ENI_STATS));
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break;
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}
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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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struct kernel_ethtool_coalesce *kernel_coal,
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struct netlink_ext_ack *extack)
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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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if (!ena_com_interrupt_moderation_supported(ena_dev))
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return -EOPNOTSUPP;
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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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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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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_nonadaptive_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_io_queues; i++)
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adapter->tx_ring[i].smoothed_interval = val;
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}
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static void ena_update_rx_rings_nonadaptive_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_rx(adapter->ena_dev);
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for (i = 0; i < adapter->num_io_queues; i++)
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adapter->rx_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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struct kernel_ethtool_coalesce *kernel_coal,
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struct netlink_ext_ack *extack)
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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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int rc;
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if (!ena_com_interrupt_moderation_supported(ena_dev))
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return -EOPNOTSUPP;
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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_nonadaptive_intr_moderation(adapter);
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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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if (rc)
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return rc;
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ena_update_rx_rings_nonadaptive_intr_moderation(adapter);
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if (coalesce->use_adaptive_rx_coalesce &&
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!ena_com_get_adaptive_moderation_enabled(ena_dev))
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ena_com_enable_adaptive_moderation(ena_dev);
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if (!coalesce->use_adaptive_rx_coalesce &&
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ena_com_get_adaptive_moderation_enabled(ena_dev))
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ena_com_disable_adaptive_moderation(ena_dev);
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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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strscpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
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strscpy(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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struct kernel_ethtool_ringparam *kernel_ring,
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struct netlink_ext_ack *extack)
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{
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struct ena_adapter *adapter = netdev_priv(netdev);
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ring->tx_max_pending = adapter->max_tx_ring_size;
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ring->rx_max_pending = adapter->max_rx_ring_size;
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ring->tx_pending = adapter->tx_ring[0].ring_size;
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ring->rx_pending = adapter->rx_ring[0].ring_size;
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}
|
|
|
|
static int ena_set_ringparam(struct net_device *netdev,
|
|
struct ethtool_ringparam *ring,
|
|
struct kernel_ethtool_ringparam *kernel_ring,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct ena_adapter *adapter = netdev_priv(netdev);
|
|
u32 new_tx_size, new_rx_size;
|
|
|
|
new_tx_size = ring->tx_pending < ENA_MIN_RING_SIZE ?
|
|
ENA_MIN_RING_SIZE : ring->tx_pending;
|
|
new_tx_size = rounddown_pow_of_two(new_tx_size);
|
|
|
|
new_rx_size = ring->rx_pending < ENA_MIN_RING_SIZE ?
|
|
ENA_MIN_RING_SIZE : ring->rx_pending;
|
|
new_rx_size = rounddown_pow_of_two(new_rx_size);
|
|
|
|
if (new_tx_size == adapter->requested_tx_ring_size &&
|
|
new_rx_size == adapter->requested_rx_ring_size)
|
|
return 0;
|
|
|
|
return ena_update_queue_sizes(adapter, new_tx_size, new_rx_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_io_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_set(struct ena_adapter *adapter,
|
|
const u32 *indir)
|
|
{
|
|
struct ena_com_dev *ena_dev = adapter->ena_dev;
|
|
int i, rc;
|
|
|
|
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, adapter->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, adapter->netdev,
|
|
"Cannot set indirect table\n");
|
|
return rc == -EPERM ? -EOPNOTSUPP : rc;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
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);
|
|
if (rc) {
|
|
if (rc == -EOPNOTSUPP)
|
|
rc = 0;
|
|
|
|
return rc;
|
|
}
|
|
|
|
rc = ena_com_get_hash_key(adapter->ena_dev, key);
|
|
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 0;
|
|
}
|
|
|
|
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 = 0;
|
|
int rc;
|
|
|
|
if (indir) {
|
|
rc = ena_indirection_table_set(adapter, indir);
|
|
if (rc)
|
|
return 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 || func) {
|
|
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_combined = adapter->max_num_io_queues;
|
|
channels->combined_count = adapter->num_io_queues;
|
|
}
|
|
|
|
static int ena_set_channels(struct net_device *netdev,
|
|
struct ethtool_channels *channels)
|
|
{
|
|
struct ena_adapter *adapter = netdev_priv(netdev);
|
|
u32 count = channels->combined_count;
|
|
/* The check for max value is already done in ethtool */
|
|
if (count < ENA_MIN_NUM_IO_QUEUES)
|
|
return -EINVAL;
|
|
|
|
if (!ena_xdp_legal_queue_count(adapter, count)) {
|
|
if (ena_xdp_present(adapter))
|
|
return -EINVAL;
|
|
|
|
xdp_clear_features_flag(netdev);
|
|
} else {
|
|
xdp_set_features_flag(netdev,
|
|
NETDEV_XDP_ACT_BASIC |
|
|
NETDEV_XDP_ACT_REDIRECT);
|
|
}
|
|
|
|
return ena_update_queue_count(adapter, count);
|
|
}
|
|
|
|
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;
|
|
ret = ena_set_rx_copybreak(adapter, len);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct ethtool_ops ena_ethtool_ops = {
|
|
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
|
|
ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
|
|
.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,
|
|
.set_ringparam = ena_set_ringparam,
|
|
.get_sset_count = ena_get_sset_count,
|
|
.get_strings = ena_get_ethtool_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,
|
|
.set_channels = ena_set_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_sw_stats_count(adapter);
|
|
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 allocate 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(adapter, strings_buf, false);
|
|
ena_get_stats(adapter, data_buf, false);
|
|
|
|
/* 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);
|
|
}
|