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bnxt_ethtool.c
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bnxt_ethtool.c
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/* Broadcom NetXtreme-C/E network driver.
*
* Copyright (c) 2014-2016 Broadcom Corporation
* Copyright (c) 2016-2017 Broadcom Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation.
*/
#include <linux/ctype.h>
#include <linux/stringify.h>
#include <linux/ethtool.h>
#include <linux/ethtool_netlink.h>
#include <linux/linkmode.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/etherdevice.h>
#include <linux/crc32.h>
#include <linux/firmware.h>
#include <linux/utsname.h>
#include <linux/time.h>
#include <linux/ptp_clock_kernel.h>
#include <linux/net_tstamp.h>
#include <linux/timecounter.h>
#include "bnxt_hsi.h"
#include "bnxt.h"
#include "bnxt_hwrm.h"
#include "bnxt_ulp.h"
#include "bnxt_xdp.h"
#include "bnxt_ptp.h"
#include "bnxt_ethtool.h"
#include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */
#include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */
#include "bnxt_coredump.h"
static u32 bnxt_get_msglevel(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
return bp->msg_enable;
}
static void bnxt_set_msglevel(struct net_device *dev, u32 value)
{
struct bnxt *bp = netdev_priv(dev);
bp->msg_enable = value;
}
static int bnxt_get_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_coal *hw_coal;
u16 mult;
memset(coal, 0, sizeof(*coal));
coal->use_adaptive_rx_coalesce = bp->flags & BNXT_FLAG_DIM;
hw_coal = &bp->rx_coal;
mult = hw_coal->bufs_per_record;
coal->rx_coalesce_usecs = hw_coal->coal_ticks;
coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult;
coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
if (hw_coal->flags &
RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET)
kernel_coal->use_cqe_mode_rx = true;
hw_coal = &bp->tx_coal;
mult = hw_coal->bufs_per_record;
coal->tx_coalesce_usecs = hw_coal->coal_ticks;
coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult;
coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
if (hw_coal->flags &
RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET)
kernel_coal->use_cqe_mode_tx = true;
coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
return 0;
}
static int bnxt_set_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct bnxt *bp = netdev_priv(dev);
bool update_stats = false;
struct bnxt_coal *hw_coal;
int rc = 0;
u16 mult;
if (coal->use_adaptive_rx_coalesce) {
bp->flags |= BNXT_FLAG_DIM;
} else {
if (bp->flags & BNXT_FLAG_DIM) {
bp->flags &= ~(BNXT_FLAG_DIM);
goto reset_coalesce;
}
}
if ((kernel_coal->use_cqe_mode_rx || kernel_coal->use_cqe_mode_tx) &&
!(bp->coal_cap.cmpl_params &
RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_TIMER_RESET))
return -EOPNOTSUPP;
hw_coal = &bp->rx_coal;
mult = hw_coal->bufs_per_record;
hw_coal->coal_ticks = coal->rx_coalesce_usecs;
hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult;
hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq;
hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult;
hw_coal->flags &=
~RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
if (kernel_coal->use_cqe_mode_rx)
hw_coal->flags |=
RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
hw_coal = &bp->tx_coal;
mult = hw_coal->bufs_per_record;
hw_coal->coal_ticks = coal->tx_coalesce_usecs;
hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult;
hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq;
hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult;
hw_coal->flags &=
~RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
if (kernel_coal->use_cqe_mode_tx)
hw_coal->flags |=
RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
u32 stats_ticks = coal->stats_block_coalesce_usecs;
/* Allow 0, which means disable. */
if (stats_ticks)
stats_ticks = clamp_t(u32, stats_ticks,
BNXT_MIN_STATS_COAL_TICKS,
BNXT_MAX_STATS_COAL_TICKS);
stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
bp->stats_coal_ticks = stats_ticks;
if (bp->stats_coal_ticks)
bp->current_interval =
bp->stats_coal_ticks * HZ / 1000000;
else
bp->current_interval = BNXT_TIMER_INTERVAL;
update_stats = true;
}
reset_coalesce:
if (netif_running(dev)) {
if (update_stats) {
rc = bnxt_close_nic(bp, true, false);
if (!rc)
rc = bnxt_open_nic(bp, true, false);
} else {
rc = bnxt_hwrm_set_coal(bp);
}
}
return rc;
}
static const char * const bnxt_ring_rx_stats_str[] = {
"rx_ucast_packets",
"rx_mcast_packets",
"rx_bcast_packets",
"rx_discards",
"rx_errors",
"rx_ucast_bytes",
"rx_mcast_bytes",
"rx_bcast_bytes",
};
static const char * const bnxt_ring_tx_stats_str[] = {
"tx_ucast_packets",
"tx_mcast_packets",
"tx_bcast_packets",
"tx_errors",
"tx_discards",
"tx_ucast_bytes",
"tx_mcast_bytes",
"tx_bcast_bytes",
};
static const char * const bnxt_ring_tpa_stats_str[] = {
"tpa_packets",
"tpa_bytes",
"tpa_events",
"tpa_aborts",
};
static const char * const bnxt_ring_tpa2_stats_str[] = {
"rx_tpa_eligible_pkt",
"rx_tpa_eligible_bytes",
"rx_tpa_pkt",
"rx_tpa_bytes",
"rx_tpa_errors",
"rx_tpa_events",
};
static const char * const bnxt_rx_sw_stats_str[] = {
"rx_l4_csum_errors",
"rx_resets",
"rx_buf_errors",
};
static const char * const bnxt_cmn_sw_stats_str[] = {
"missed_irqs",
};
#define BNXT_RX_STATS_ENTRY(counter) \
{ BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
#define BNXT_TX_STATS_ENTRY(counter) \
{ BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
#define BNXT_RX_STATS_EXT_ENTRY(counter) \
{ BNXT_RX_STATS_EXT_OFFSET(counter), __stringify(counter) }
#define BNXT_TX_STATS_EXT_ENTRY(counter) \
{ BNXT_TX_STATS_EXT_OFFSET(counter), __stringify(counter) }
#define BNXT_RX_STATS_EXT_PFC_ENTRY(n) \
BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_duration_us), \
BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_transitions)
#define BNXT_TX_STATS_EXT_PFC_ENTRY(n) \
BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_duration_us), \
BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_transitions)
#define BNXT_RX_STATS_EXT_PFC_ENTRIES \
BNXT_RX_STATS_EXT_PFC_ENTRY(0), \
BNXT_RX_STATS_EXT_PFC_ENTRY(1), \
BNXT_RX_STATS_EXT_PFC_ENTRY(2), \
BNXT_RX_STATS_EXT_PFC_ENTRY(3), \
BNXT_RX_STATS_EXT_PFC_ENTRY(4), \
BNXT_RX_STATS_EXT_PFC_ENTRY(5), \
BNXT_RX_STATS_EXT_PFC_ENTRY(6), \
BNXT_RX_STATS_EXT_PFC_ENTRY(7)
#define BNXT_TX_STATS_EXT_PFC_ENTRIES \
BNXT_TX_STATS_EXT_PFC_ENTRY(0), \
BNXT_TX_STATS_EXT_PFC_ENTRY(1), \
BNXT_TX_STATS_EXT_PFC_ENTRY(2), \
BNXT_TX_STATS_EXT_PFC_ENTRY(3), \
BNXT_TX_STATS_EXT_PFC_ENTRY(4), \
BNXT_TX_STATS_EXT_PFC_ENTRY(5), \
BNXT_TX_STATS_EXT_PFC_ENTRY(6), \
BNXT_TX_STATS_EXT_PFC_ENTRY(7)
#define BNXT_RX_STATS_EXT_COS_ENTRY(n) \
BNXT_RX_STATS_EXT_ENTRY(rx_bytes_cos##n), \
BNXT_RX_STATS_EXT_ENTRY(rx_packets_cos##n)
#define BNXT_TX_STATS_EXT_COS_ENTRY(n) \
BNXT_TX_STATS_EXT_ENTRY(tx_bytes_cos##n), \
BNXT_TX_STATS_EXT_ENTRY(tx_packets_cos##n)
#define BNXT_RX_STATS_EXT_COS_ENTRIES \
BNXT_RX_STATS_EXT_COS_ENTRY(0), \
BNXT_RX_STATS_EXT_COS_ENTRY(1), \
BNXT_RX_STATS_EXT_COS_ENTRY(2), \
BNXT_RX_STATS_EXT_COS_ENTRY(3), \
BNXT_RX_STATS_EXT_COS_ENTRY(4), \
BNXT_RX_STATS_EXT_COS_ENTRY(5), \
BNXT_RX_STATS_EXT_COS_ENTRY(6), \
BNXT_RX_STATS_EXT_COS_ENTRY(7) \
#define BNXT_TX_STATS_EXT_COS_ENTRIES \
BNXT_TX_STATS_EXT_COS_ENTRY(0), \
BNXT_TX_STATS_EXT_COS_ENTRY(1), \
BNXT_TX_STATS_EXT_COS_ENTRY(2), \
BNXT_TX_STATS_EXT_COS_ENTRY(3), \
BNXT_TX_STATS_EXT_COS_ENTRY(4), \
BNXT_TX_STATS_EXT_COS_ENTRY(5), \
BNXT_TX_STATS_EXT_COS_ENTRY(6), \
BNXT_TX_STATS_EXT_COS_ENTRY(7) \
#define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(n) \
BNXT_RX_STATS_EXT_ENTRY(rx_discard_bytes_cos##n), \
BNXT_RX_STATS_EXT_ENTRY(rx_discard_packets_cos##n)
#define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(0), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(1), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(2), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(3), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(4), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(5), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(6), \
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(7)
#define BNXT_RX_STATS_PRI_ENTRY(counter, n) \
{ BNXT_RX_STATS_EXT_OFFSET(counter##_cos0), \
__stringify(counter##_pri##n) }
#define BNXT_TX_STATS_PRI_ENTRY(counter, n) \
{ BNXT_TX_STATS_EXT_OFFSET(counter##_cos0), \
__stringify(counter##_pri##n) }
#define BNXT_RX_STATS_PRI_ENTRIES(counter) \
BNXT_RX_STATS_PRI_ENTRY(counter, 0), \
BNXT_RX_STATS_PRI_ENTRY(counter, 1), \
BNXT_RX_STATS_PRI_ENTRY(counter, 2), \
BNXT_RX_STATS_PRI_ENTRY(counter, 3), \
BNXT_RX_STATS_PRI_ENTRY(counter, 4), \
BNXT_RX_STATS_PRI_ENTRY(counter, 5), \
BNXT_RX_STATS_PRI_ENTRY(counter, 6), \
BNXT_RX_STATS_PRI_ENTRY(counter, 7)
#define BNXT_TX_STATS_PRI_ENTRIES(counter) \
BNXT_TX_STATS_PRI_ENTRY(counter, 0), \
BNXT_TX_STATS_PRI_ENTRY(counter, 1), \
BNXT_TX_STATS_PRI_ENTRY(counter, 2), \
BNXT_TX_STATS_PRI_ENTRY(counter, 3), \
BNXT_TX_STATS_PRI_ENTRY(counter, 4), \
BNXT_TX_STATS_PRI_ENTRY(counter, 5), \
BNXT_TX_STATS_PRI_ENTRY(counter, 6), \
BNXT_TX_STATS_PRI_ENTRY(counter, 7)
enum {
RX_TOTAL_DISCARDS,
TX_TOTAL_DISCARDS,
RX_NETPOLL_DISCARDS,
};
static struct {
u64 counter;
char string[ETH_GSTRING_LEN];
} bnxt_sw_func_stats[] = {
{0, "rx_total_discard_pkts"},
{0, "tx_total_discard_pkts"},
{0, "rx_total_netpoll_discards"},
};
#define NUM_RING_RX_SW_STATS ARRAY_SIZE(bnxt_rx_sw_stats_str)
#define NUM_RING_CMN_SW_STATS ARRAY_SIZE(bnxt_cmn_sw_stats_str)
#define NUM_RING_RX_HW_STATS ARRAY_SIZE(bnxt_ring_rx_stats_str)
#define NUM_RING_TX_HW_STATS ARRAY_SIZE(bnxt_ring_tx_stats_str)
static const struct {
long offset;
char string[ETH_GSTRING_LEN];
} bnxt_port_stats_arr[] = {
BNXT_RX_STATS_ENTRY(rx_64b_frames),
BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
BNXT_RX_STATS_ENTRY(rx_1024b_1518b_frames),
BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
BNXT_RX_STATS_ENTRY(rx_total_frames),
BNXT_RX_STATS_ENTRY(rx_ucast_frames),
BNXT_RX_STATS_ENTRY(rx_mcast_frames),
BNXT_RX_STATS_ENTRY(rx_bcast_frames),
BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
BNXT_RX_STATS_ENTRY(rx_pause_frames),
BNXT_RX_STATS_ENTRY(rx_pfc_frames),
BNXT_RX_STATS_ENTRY(rx_align_err_frames),
BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
BNXT_RX_STATS_ENTRY(rx_jbr_frames),
BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
BNXT_RX_STATS_ENTRY(rx_tagged_frames),
BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
BNXT_RX_STATS_ENTRY(rx_good_frames),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
BNXT_RX_STATS_ENTRY(rx_bytes),
BNXT_RX_STATS_ENTRY(rx_runt_bytes),
BNXT_RX_STATS_ENTRY(rx_runt_frames),
BNXT_RX_STATS_ENTRY(rx_stat_discard),
BNXT_RX_STATS_ENTRY(rx_stat_err),
BNXT_TX_STATS_ENTRY(tx_64b_frames),
BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
BNXT_TX_STATS_ENTRY(tx_1024b_1518b_frames),
BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
BNXT_TX_STATS_ENTRY(tx_1519b_2047b_frames),
BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
BNXT_TX_STATS_ENTRY(tx_good_frames),
BNXT_TX_STATS_ENTRY(tx_total_frames),
BNXT_TX_STATS_ENTRY(tx_ucast_frames),
BNXT_TX_STATS_ENTRY(tx_mcast_frames),
BNXT_TX_STATS_ENTRY(tx_bcast_frames),
BNXT_TX_STATS_ENTRY(tx_pause_frames),
BNXT_TX_STATS_ENTRY(tx_pfc_frames),
BNXT_TX_STATS_ENTRY(tx_jabber_frames),
BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
BNXT_TX_STATS_ENTRY(tx_err),
BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
BNXT_TX_STATS_ENTRY(tx_total_collisions),
BNXT_TX_STATS_ENTRY(tx_bytes),
BNXT_TX_STATS_ENTRY(tx_xthol_frames),
BNXT_TX_STATS_ENTRY(tx_stat_discard),
BNXT_TX_STATS_ENTRY(tx_stat_error),
};
static const struct {
long offset;
char string[ETH_GSTRING_LEN];
} bnxt_port_stats_ext_arr[] = {
BNXT_RX_STATS_EXT_ENTRY(link_down_events),
BNXT_RX_STATS_EXT_ENTRY(continuous_pause_events),
BNXT_RX_STATS_EXT_ENTRY(resume_pause_events),
BNXT_RX_STATS_EXT_ENTRY(continuous_roce_pause_events),
BNXT_RX_STATS_EXT_ENTRY(resume_roce_pause_events),
BNXT_RX_STATS_EXT_COS_ENTRIES,
BNXT_RX_STATS_EXT_PFC_ENTRIES,
BNXT_RX_STATS_EXT_ENTRY(rx_bits),
BNXT_RX_STATS_EXT_ENTRY(rx_buffer_passed_threshold),
BNXT_RX_STATS_EXT_ENTRY(rx_pcs_symbol_err),
BNXT_RX_STATS_EXT_ENTRY(rx_corrected_bits),
BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES,
BNXT_RX_STATS_EXT_ENTRY(rx_fec_corrected_blocks),
BNXT_RX_STATS_EXT_ENTRY(rx_fec_uncorrectable_blocks),
};
static const struct {
long offset;
char string[ETH_GSTRING_LEN];
} bnxt_tx_port_stats_ext_arr[] = {
BNXT_TX_STATS_EXT_COS_ENTRIES,
BNXT_TX_STATS_EXT_PFC_ENTRIES,
};
static const struct {
long base_off;
char string[ETH_GSTRING_LEN];
} bnxt_rx_bytes_pri_arr[] = {
BNXT_RX_STATS_PRI_ENTRIES(rx_bytes),
};
static const struct {
long base_off;
char string[ETH_GSTRING_LEN];
} bnxt_rx_pkts_pri_arr[] = {
BNXT_RX_STATS_PRI_ENTRIES(rx_packets),
};
static const struct {
long base_off;
char string[ETH_GSTRING_LEN];
} bnxt_tx_bytes_pri_arr[] = {
BNXT_TX_STATS_PRI_ENTRIES(tx_bytes),
};
static const struct {
long base_off;
char string[ETH_GSTRING_LEN];
} bnxt_tx_pkts_pri_arr[] = {
BNXT_TX_STATS_PRI_ENTRIES(tx_packets),
};
#define BNXT_NUM_SW_FUNC_STATS ARRAY_SIZE(bnxt_sw_func_stats)
#define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
#define BNXT_NUM_STATS_PRI \
(ARRAY_SIZE(bnxt_rx_bytes_pri_arr) + \
ARRAY_SIZE(bnxt_rx_pkts_pri_arr) + \
ARRAY_SIZE(bnxt_tx_bytes_pri_arr) + \
ARRAY_SIZE(bnxt_tx_pkts_pri_arr))
static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp)
{
if (BNXT_SUPPORTS_TPA(bp)) {
if (bp->max_tpa_v2) {
if (BNXT_CHIP_P5_THOR(bp))
return BNXT_NUM_TPA_RING_STATS_P5;
return BNXT_NUM_TPA_RING_STATS_P5_SR2;
}
return BNXT_NUM_TPA_RING_STATS;
}
return 0;
}
static int bnxt_get_num_ring_stats(struct bnxt *bp)
{
int rx, tx, cmn;
rx = NUM_RING_RX_HW_STATS + NUM_RING_RX_SW_STATS +
bnxt_get_num_tpa_ring_stats(bp);
tx = NUM_RING_TX_HW_STATS;
cmn = NUM_RING_CMN_SW_STATS;
return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings +
cmn * bp->cp_nr_rings;
}
static int bnxt_get_num_stats(struct bnxt *bp)
{
int num_stats = bnxt_get_num_ring_stats(bp);
num_stats += BNXT_NUM_SW_FUNC_STATS;
if (bp->flags & BNXT_FLAG_PORT_STATS)
num_stats += BNXT_NUM_PORT_STATS;
if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
num_stats += bp->fw_rx_stats_ext_size +
bp->fw_tx_stats_ext_size;
if (bp->pri2cos_valid)
num_stats += BNXT_NUM_STATS_PRI;
}
return num_stats;
}
static int bnxt_get_sset_count(struct net_device *dev, int sset)
{
struct bnxt *bp = netdev_priv(dev);
switch (sset) {
case ETH_SS_STATS:
return bnxt_get_num_stats(bp);
case ETH_SS_TEST:
if (!bp->num_tests)
return -EOPNOTSUPP;
return bp->num_tests;
default:
return -EOPNOTSUPP;
}
}
static bool is_rx_ring(struct bnxt *bp, int ring_num)
{
return ring_num < bp->rx_nr_rings;
}
static bool is_tx_ring(struct bnxt *bp, int ring_num)
{
int tx_base = 0;
if (!(bp->flags & BNXT_FLAG_SHARED_RINGS))
tx_base = bp->rx_nr_rings;
if (ring_num >= tx_base && ring_num < (tx_base + bp->tx_nr_rings))
return true;
return false;
}
static void bnxt_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *buf)
{
u32 i, j = 0;
struct bnxt *bp = netdev_priv(dev);
u32 tpa_stats;
if (!bp->bnapi) {
j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS;
goto skip_ring_stats;
}
for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
bnxt_sw_func_stats[i].counter = 0;
tpa_stats = bnxt_get_num_tpa_ring_stats(bp);
for (i = 0; i < bp->cp_nr_rings; i++) {
struct bnxt_napi *bnapi = bp->bnapi[i];
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
u64 *sw_stats = cpr->stats.sw_stats;
u64 *sw;
int k;
if (is_rx_ring(bp, i)) {
for (k = 0; k < NUM_RING_RX_HW_STATS; j++, k++)
buf[j] = sw_stats[k];
}
if (is_tx_ring(bp, i)) {
k = NUM_RING_RX_HW_STATS;
for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
j++, k++)
buf[j] = sw_stats[k];
}
if (!tpa_stats || !is_rx_ring(bp, i))
goto skip_tpa_ring_stats;
k = NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS +
tpa_stats; j++, k++)
buf[j] = sw_stats[k];
skip_tpa_ring_stats:
sw = (u64 *)&cpr->sw_stats.rx;
if (is_rx_ring(bp, i)) {
for (k = 0; k < NUM_RING_RX_SW_STATS; j++, k++)
buf[j] = sw[k];
}
sw = (u64 *)&cpr->sw_stats.cmn;
for (k = 0; k < NUM_RING_CMN_SW_STATS; j++, k++)
buf[j] = sw[k];
bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
BNXT_GET_RING_STATS64(sw_stats, rx_discard_pkts);
bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
BNXT_GET_RING_STATS64(sw_stats, tx_discard_pkts);
bnxt_sw_func_stats[RX_NETPOLL_DISCARDS].counter +=
cpr->sw_stats.rx.rx_netpoll_discards;
}
for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
buf[j] = bnxt_sw_func_stats[i].counter;
skip_ring_stats:
if (bp->flags & BNXT_FLAG_PORT_STATS) {
u64 *port_stats = bp->port_stats.sw_stats;
for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++)
buf[j] = *(port_stats + bnxt_port_stats_arr[i].offset);
}
if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
u64 *rx_port_stats_ext = bp->rx_port_stats_ext.sw_stats;
u64 *tx_port_stats_ext = bp->tx_port_stats_ext.sw_stats;
for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
buf[j] = *(rx_port_stats_ext +
bnxt_port_stats_ext_arr[i].offset);
}
for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
buf[j] = *(tx_port_stats_ext +
bnxt_tx_port_stats_ext_arr[i].offset);
}
if (bp->pri2cos_valid) {
for (i = 0; i < 8; i++, j++) {
long n = bnxt_rx_bytes_pri_arr[i].base_off +
bp->pri2cos_idx[i];
buf[j] = *(rx_port_stats_ext + n);
}
for (i = 0; i < 8; i++, j++) {
long n = bnxt_rx_pkts_pri_arr[i].base_off +
bp->pri2cos_idx[i];
buf[j] = *(rx_port_stats_ext + n);
}
for (i = 0; i < 8; i++, j++) {
long n = bnxt_tx_bytes_pri_arr[i].base_off +
bp->pri2cos_idx[i];
buf[j] = *(tx_port_stats_ext + n);
}
for (i = 0; i < 8; i++, j++) {
long n = bnxt_tx_pkts_pri_arr[i].base_off +
bp->pri2cos_idx[i];
buf[j] = *(tx_port_stats_ext + n);
}
}
}
}
static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
struct bnxt *bp = netdev_priv(dev);
static const char * const *str;
u32 i, j, num_str;
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < bp->cp_nr_rings; i++) {
if (is_rx_ring(bp, i)) {
num_str = NUM_RING_RX_HW_STATS;
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i,
bnxt_ring_rx_stats_str[j]);
buf += ETH_GSTRING_LEN;
}
}
if (is_tx_ring(bp, i)) {
num_str = NUM_RING_TX_HW_STATS;
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i,
bnxt_ring_tx_stats_str[j]);
buf += ETH_GSTRING_LEN;
}
}
num_str = bnxt_get_num_tpa_ring_stats(bp);
if (!num_str || !is_rx_ring(bp, i))
goto skip_tpa_stats;
if (bp->max_tpa_v2)
str = bnxt_ring_tpa2_stats_str;
else
str = bnxt_ring_tpa_stats_str;
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i, str[j]);
buf += ETH_GSTRING_LEN;
}
skip_tpa_stats:
if (is_rx_ring(bp, i)) {
num_str = NUM_RING_RX_SW_STATS;
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i,
bnxt_rx_sw_stats_str[j]);
buf += ETH_GSTRING_LEN;
}
}
num_str = NUM_RING_CMN_SW_STATS;
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i,
bnxt_cmn_sw_stats_str[j]);
buf += ETH_GSTRING_LEN;
}
}
for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
strcpy(buf, bnxt_sw_func_stats[i].string);
buf += ETH_GSTRING_LEN;
}
if (bp->flags & BNXT_FLAG_PORT_STATS) {
for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
strcpy(buf, bnxt_port_stats_arr[i].string);
buf += ETH_GSTRING_LEN;
}
}
if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
strcpy(buf, bnxt_port_stats_ext_arr[i].string);
buf += ETH_GSTRING_LEN;
}
for (i = 0; i < bp->fw_tx_stats_ext_size; i++) {
strcpy(buf,
bnxt_tx_port_stats_ext_arr[i].string);
buf += ETH_GSTRING_LEN;
}
if (bp->pri2cos_valid) {
for (i = 0; i < 8; i++) {
strcpy(buf,
bnxt_rx_bytes_pri_arr[i].string);
buf += ETH_GSTRING_LEN;
}
for (i = 0; i < 8; i++) {
strcpy(buf,
bnxt_rx_pkts_pri_arr[i].string);
buf += ETH_GSTRING_LEN;
}
for (i = 0; i < 8; i++) {
strcpy(buf,
bnxt_tx_bytes_pri_arr[i].string);
buf += ETH_GSTRING_LEN;
}
for (i = 0; i < 8; i++) {
strcpy(buf,
bnxt_tx_pkts_pri_arr[i].string);
buf += ETH_GSTRING_LEN;
}
}
}
break;
case ETH_SS_TEST:
if (bp->num_tests)
memcpy(buf, bp->test_info->string,
bp->num_tests * ETH_GSTRING_LEN);
break;
default:
netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
stringset);
break;
}
}
static void bnxt_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *ering,
struct kernel_ethtool_ringparam *kernel_ering,
struct netlink_ext_ack *extack)
{
struct bnxt *bp = netdev_priv(dev);
if (bp->flags & BNXT_FLAG_AGG_RINGS) {
ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT_JUM_ENA;
ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
kernel_ering->tcp_data_split = ETHTOOL_TCP_DATA_SPLIT_ENABLED;
} else {
ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
ering->rx_jumbo_max_pending = 0;
kernel_ering->tcp_data_split = ETHTOOL_TCP_DATA_SPLIT_DISABLED;
}
ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
ering->rx_pending = bp->rx_ring_size;
ering->rx_jumbo_pending = bp->rx_agg_ring_size;
ering->tx_pending = bp->tx_ring_size;
}
static int bnxt_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *ering,
struct kernel_ethtool_ringparam *kernel_ering,
struct netlink_ext_ack *extack)
{
struct bnxt *bp = netdev_priv(dev);
if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
(ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
(ering->tx_pending < BNXT_MIN_TX_DESC_CNT))
return -EINVAL;
if (netif_running(dev))
bnxt_close_nic(bp, false, false);
bp->rx_ring_size = ering->rx_pending;
bp->tx_ring_size = ering->tx_pending;
bnxt_set_ring_params(bp);
if (netif_running(dev))
return bnxt_open_nic(bp, false, false);
return 0;
}
static void bnxt_get_channels(struct net_device *dev,
struct ethtool_channels *channel)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
int max_rx_rings, max_tx_rings, tcs;
int max_tx_sch_inputs, tx_grps;
/* Get the most up-to-date max_tx_sch_inputs. */
if (netif_running(dev) && BNXT_NEW_RM(bp))
bnxt_hwrm_func_resc_qcaps(bp, false);
max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
if (max_tx_sch_inputs)
max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
tcs = netdev_get_num_tc(dev);
tx_grps = max(tcs, 1);
if (bp->tx_nr_rings_xdp)
tx_grps++;
max_tx_rings /= tx_grps;
channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
max_rx_rings = 0;
max_tx_rings = 0;
}
if (max_tx_sch_inputs)
max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
if (tcs > 1)
max_tx_rings /= tcs;
channel->max_rx = max_rx_rings;
channel->max_tx = max_tx_rings;
channel->max_other = 0;
if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
channel->combined_count = bp->rx_nr_rings;
if (BNXT_CHIP_TYPE_NITRO_A0(bp))
channel->combined_count--;
} else {
if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
channel->rx_count = bp->rx_nr_rings;
channel->tx_count = bp->tx_nr_rings_per_tc;
}
}
}
static int bnxt_set_channels(struct net_device *dev,
struct ethtool_channels *channel)
{
struct bnxt *bp = netdev_priv(dev);
int req_tx_rings, req_rx_rings, tcs;
bool sh = false;
int tx_xdp = 0;
int rc = 0;
if (channel->other_count)
return -EINVAL;
if (!channel->combined_count &&
(!channel->rx_count || !channel->tx_count))
return -EINVAL;
if (channel->combined_count &&
(channel->rx_count || channel->tx_count))
return -EINVAL;
if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
channel->tx_count))
return -EINVAL;
if (channel->combined_count)
sh = true;
tcs = netdev_get_num_tc(dev);
req_tx_rings = sh ? channel->combined_count : channel->tx_count;
req_rx_rings = sh ? channel->combined_count : channel->rx_count;
if (bp->tx_nr_rings_xdp) {
if (!sh) {
netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
return -EINVAL;
}
tx_xdp = req_rx_rings;
}
rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
if (rc) {
netdev_warn(dev, "Unable to allocate the requested rings\n");
return rc;
}
if (bnxt_get_nr_rss_ctxs(bp, req_rx_rings) !=
bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) &&
netif_is_rxfh_configured(dev)) {
netdev_warn(dev, "RSS table size change required, RSS table entries must be default to proceed\n");
return -EINVAL;
}
if (netif_running(dev)) {
if (BNXT_PF(bp)) {
/* TODO CHIMP_FW: Send message to all VF's
* before PF unload
*/
}
rc = bnxt_close_nic(bp, true, false);
if (rc) {
netdev_err(bp->dev, "Set channel failure rc :%x\n",
rc);
return rc;
}
}
if (sh) {
bp->flags |= BNXT_FLAG_SHARED_RINGS;
bp->rx_nr_rings = channel->combined_count;
bp->tx_nr_rings_per_tc = channel->combined_count;
} else {
bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
bp->rx_nr_rings = channel->rx_count;
bp->tx_nr_rings_per_tc = channel->tx_count;
}
bp->tx_nr_rings_xdp = tx_xdp;
bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
if (tcs > 1)
bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
bp->tx_nr_rings + bp->rx_nr_rings;
/* After changing number of rx channels, update NTUPLE feature. */
netdev_update_features(dev);
if (netif_running(dev)) {
rc = bnxt_open_nic(bp, true, false);
if ((!rc) && BNXT_PF(bp)) {
/* TODO CHIMP_FW: Send message to all VF's
* to renable
*/
}
} else {
rc = bnxt_reserve_rings(bp, true);
}
return rc;
}
#ifdef CONFIG_RFS_ACCEL
static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
u32 *rule_locs)
{
int i, j = 0;
cmd->data = bp->ntp_fltr_count;
for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
struct hlist_head *head;