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kernel_samsung_a34x-permissive/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

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Import A346BXXU1AWB9 kernel source Android 13
2024-04-28 06:49:01 -07:00
/* 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/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 "bnxt_hsi.h"
#include "bnxt.h"
#include "bnxt_xdp.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"
#define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100)
#define FLASH_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
#define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
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 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;
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;
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 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;
}
}
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 = &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;
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;
}
#define BNXT_NUM_STATS 21
#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) }
enum {
RX_TOTAL_DISCARDS,
TX_TOTAL_DISCARDS,
};
static struct {
u64 counter;
char string[ETH_GSTRING_LEN];
} bnxt_sw_func_stats[] = {
{0, "rx_total_discard_pkts"},
{0, "tx_total_discard_pkts"},
};
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),
};
#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_PORT_STATS_EXT ARRAY_SIZE(bnxt_port_stats_ext_arr)
static int bnxt_get_num_stats(struct bnxt *bp)
{
int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
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 += BNXT_NUM_PORT_STATS_EXT;
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 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 stat_fields = sizeof(struct ctx_hw_stats) / 8;
if (!bp->bnapi)
return;
for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
bnxt_sw_func_stats[i].counter = 0;
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;
__le64 *hw_stats = (__le64 *)cpr->hw_stats;
int k;
for (k = 0; k < stat_fields; j++, k++)
buf[j] = le64_to_cpu(hw_stats[k]);
buf[j++] = cpr->rx_l4_csum_errors;
bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
le64_to_cpu(cpr->hw_stats->rx_discard_pkts);
bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
le64_to_cpu(cpr->hw_stats->tx_discard_pkts);
}
for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
buf[j] = bnxt_sw_func_stats[i].counter;
if (bp->flags & BNXT_FLAG_PORT_STATS) {
__le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
buf[j] = le64_to_cpu(*(port_stats +
bnxt_port_stats_arr[i].offset));
}
}
if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
__le64 *port_stats_ext = (__le64 *)bp->hw_rx_port_stats_ext;
for (i = 0; i < BNXT_NUM_PORT_STATS_EXT; i++, j++) {
buf[j] = le64_to_cpu(*(port_stats_ext +
bnxt_port_stats_ext_arr[i].offset));
}
}
}
static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
struct bnxt *bp = netdev_priv(dev);
u32 i;
switch (stringset) {
/* The number of strings must match BNXT_NUM_STATS defined above. */
case ETH_SS_STATS:
for (i = 0; i < bp->cp_nr_rings; i++) {
sprintf(buf, "[%d]: rx_ucast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_mcast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_bcast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_discards", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_drops", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_ucast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_mcast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_bcast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_ucast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_mcast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_bcast_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_discards", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_drops", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_ucast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_mcast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tx_bcast_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tpa_packets", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tpa_bytes", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tpa_events", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: tpa_aborts", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_l4_csum_errors", i);
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 < BNXT_NUM_PORT_STATS_EXT; i++) {
strcpy(buf, bnxt_port_stats_ext_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 bnxt *bp = netdev_priv(dev);
ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
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 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 <= MAX_SKB_FRAGS))
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;
/* 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);
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);
tcs = netdev_get_num_tc(dev);
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 (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;
bp->num_stat_ctxs = bp->cp_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);
}
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;
struct bnxt_ntuple_filter *fltr;
head = &bp->ntp_fltr_hash_tbl[i];
rcu_read_lock();
hlist_for_each_entry_rcu(fltr, head, hash) {
if (j == cmd->rule_cnt)
break;
rule_locs[j++] = fltr->sw_id;
}
rcu_read_unlock();
if (j == cmd->rule_cnt)
break;
}
cmd->rule_cnt = j;
return 0;
}
static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
{
struct ethtool_rx_flow_spec *fs =
(struct ethtool_rx_flow_spec *)&cmd->fs;
struct bnxt_ntuple_filter *fltr;
struct flow_keys *fkeys;
int i, rc = -EINVAL;
if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
return rc;
for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
struct hlist_head *head;
head = &bp->ntp_fltr_hash_tbl[i];
rcu_read_lock();
hlist_for_each_entry_rcu(fltr, head, hash) {
if (fltr->sw_id == fs->location)
goto fltr_found;
}
rcu_read_unlock();
}
return rc;
fltr_found:
fkeys = &fltr->fkeys;
if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
if (fkeys->basic.ip_proto == IPPROTO_TCP)
fs->flow_type = TCP_V4_FLOW;
else if (fkeys->basic.ip_proto == IPPROTO_UDP)
fs->flow_type = UDP_V4_FLOW;
else
goto fltr_err;
fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
} else {
int i;
if (fkeys->basic.ip_proto == IPPROTO_TCP)
fs->flow_type = TCP_V6_FLOW;
else if (fkeys->basic.ip_proto == IPPROTO_UDP)
fs->flow_type = UDP_V6_FLOW;
else
goto fltr_err;
*(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
fkeys->addrs.v6addrs.src;
*(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
fkeys->addrs.v6addrs.dst;
for (i = 0; i < 4; i++) {
fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
}
fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
}
fs->ring_cookie = fltr->rxq;
rc = 0;
fltr_err:
rcu_read_unlock();
return rc;
}
#endif
static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
{
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
return RXH_IP_SRC | RXH_IP_DST;
return 0;
}
static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
{
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
return RXH_IP_SRC | RXH_IP_DST;
return 0;
}
static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
{
cmd->data = 0;
switch (cmd->flow_type) {
case TCP_V4_FLOW:
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
cmd->data |= RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3;
cmd->data |= get_ethtool_ipv4_rss(bp);
break;
case UDP_V4_FLOW:
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
cmd->data |= RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3;
/* fall through */
case SCTP_V4_FLOW:
case AH_ESP_V4_FLOW:
case AH_V4_FLOW:
case ESP_V4_FLOW:
case IPV4_FLOW:
cmd->data |= get_ethtool_ipv4_rss(bp);
break;
case TCP_V6_FLOW:
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
cmd->data |= RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3;
cmd->data |= get_ethtool_ipv6_rss(bp);
break;
case UDP_V6_FLOW:
if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
cmd->data |= RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3;
/* fall through */
case SCTP_V6_FLOW:
case AH_ESP_V6_FLOW:
case AH_V6_FLOW:
case ESP_V6_FLOW:
case IPV6_FLOW:
cmd->data |= get_ethtool_ipv6_rss(bp);
break;
}
return 0;
}
#define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
#define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
{
u32 rss_hash_cfg = bp->rss_hash_cfg;
int tuple, rc = 0;
if (cmd->data == RXH_4TUPLE)
tuple = 4;
else if (cmd->data == RXH_2TUPLE)
tuple = 2;
else if (!cmd->data)
tuple = 0;
else
return -EINVAL;
if (cmd->flow_type == TCP_V4_FLOW) {
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
if (tuple == 4)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
} else if (cmd->flow_type == UDP_V4_FLOW) {
if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
return -EINVAL;
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
if (tuple == 4)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
} else if (cmd->flow_type == TCP_V6_FLOW) {
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
if (tuple == 4)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
} else if (cmd->flow_type == UDP_V6_FLOW) {
if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
return -EINVAL;
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
if (tuple == 4)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
} else if (tuple == 4) {
return -EINVAL;
}
switch (cmd->flow_type) {
case TCP_V4_FLOW:
case UDP_V4_FLOW:
case SCTP_V4_FLOW:
case AH_ESP_V4_FLOW:
case AH_V4_FLOW:
case ESP_V4_FLOW:
case IPV4_FLOW:
if (tuple == 2)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
else if (!tuple)
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
break;
case TCP_V6_FLOW:
case UDP_V6_FLOW:
case SCTP_V6_FLOW:
case AH_ESP_V6_FLOW:
case AH_V6_FLOW:
case ESP_V6_FLOW:
case IPV6_FLOW:
if (tuple == 2)
rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
else if (!tuple)
rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
break;
}
if (bp->rss_hash_cfg == rss_hash_cfg)
return 0;
bp->rss_hash_cfg = rss_hash_cfg;
if (netif_running(bp->dev)) {
bnxt_close_nic(bp, false, false);
rc = bnxt_open_nic(bp, false, false);
}
return rc;
}
static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
u32 *rule_locs)
{
struct bnxt *bp = netdev_priv(dev);
int rc = 0;
switch (cmd->cmd) {
#ifdef CONFIG_RFS_ACCEL
case ETHTOOL_GRXRINGS:
cmd->data = bp->rx_nr_rings;
break;
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = bp->ntp_fltr_count;
cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
break;
case ETHTOOL_GRXCLSRLALL:
rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
break;
case ETHTOOL_GRXCLSRULE:
rc = bnxt_grxclsrule(bp, cmd);
break;
#endif
case ETHTOOL_GRXFH:
rc = bnxt_grxfh(bp, cmd);
break;
default:
rc = -EOPNOTSUPP;
break;
}
return rc;
}
static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
switch (cmd->cmd) {
case ETHTOOL_SRXFH:
rc = bnxt_srxfh(bp, cmd);
break;
default:
rc = -EOPNOTSUPP;
break;
}
return rc;
}
static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
{
return HW_HASH_INDEX_SIZE;
}
static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
{
return HW_HASH_KEY_SIZE;
}
static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
u8 *hfunc)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_vnic_info *vnic;
int i = 0;
if (hfunc)
*hfunc = ETH_RSS_HASH_TOP;
if (!bp->vnic_info)
return 0;
vnic = &bp->vnic_info[0];
if (indir && vnic->rss_table) {
for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
indir[i] = le16_to_cpu(vnic->rss_table[i]);
}
if (key && vnic->rss_hash_key)
memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
return 0;
}
static void bnxt_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
struct bnxt *bp = netdev_priv(dev);
strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
info->n_stats = bnxt_get_num_stats(bp);
info->testinfo_len = bp->num_tests;
/* TODO CHIMP_FW: eeprom dump details */
info->eedump_len = 0;
/* TODO CHIMP FW: reg dump details */
info->regdump_len = 0;
}
static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct bnxt *bp = netdev_priv(dev);
wol->supported = 0;
wol->wolopts = 0;
memset(&wol->sopass, 0, sizeof(wol->sopass));
if (bp->flags & BNXT_FLAG_WOL_CAP) {
wol->supported = WAKE_MAGIC;
if (bp->wol)
wol->wolopts = WAKE_MAGIC;
}
}
static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct bnxt *bp = netdev_priv(dev);
if (wol->wolopts & ~WAKE_MAGIC)
return -EINVAL;
if (wol->wolopts & WAKE_MAGIC) {
if (!(bp->flags & BNXT_FLAG_WOL_CAP))
return -EINVAL;
if (!bp->wol) {
if (bnxt_hwrm_alloc_wol_fltr(bp))
return -EBUSY;
bp->wol = 1;
}
} else {
if (bp->wol) {
if (bnxt_hwrm_free_wol_fltr(bp))
return -EBUSY;
bp->wol = 0;
}
}
return 0;
}
u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
{
u32 speed_mask = 0;
/* TODO: support 25GB, 40GB, 50GB with different cable type */
/* set the advertised speeds */
if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
speed_mask |= ADVERTISED_100baseT_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
speed_mask |= ADVERTISED_1000baseT_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
speed_mask |= ADVERTISED_2500baseX_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
speed_mask |= ADVERTISED_10000baseT_Full;
if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
speed_mask |= ADVERTISED_40000baseCR4_Full;
if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
speed_mask |= ADVERTISED_Pause;
else if (fw_pause & BNXT_LINK_PAUSE_TX)
speed_mask |= ADVERTISED_Asym_Pause;
else if (fw_pause & BNXT_LINK_PAUSE_RX)
speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
return speed_mask;
}
#define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
{ \
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
100baseT_Full); \
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1000baseT_Full); \
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
10000baseT_Full); \
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
25000baseCR_Full); \
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
40000baseCR4_Full);\
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
50000baseCR2_Full);\
if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB) \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
100000baseCR4_Full);\
if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
Pause); \
if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \
ethtool_link_ksettings_add_link_mode( \
lk_ksettings, name, Asym_Pause);\
} else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \
ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
Asym_Pause); \
} \
}
#define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \
{ \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
100baseT_Full) || \
ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
100baseT_Half)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1000baseT_Full) || \
ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
1000baseT_Half)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
10000baseT_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
25000baseCR_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
40000baseCR4_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
50000baseCR2_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
100000baseCR4_Full)) \
(fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \
}
static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
struct ethtool_link_ksettings *lk_ksettings)
{
u16 fw_speeds = link_info->advertising;
u8 fw_pause = 0;
if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
fw_pause = link_info->auto_pause_setting;
BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
}
static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
struct ethtool_link_ksettings *lk_ksettings)
{
u16 fw_speeds = link_info->lp_auto_link_speeds;
u8 fw_pause = 0;
if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
fw_pause = link_info->lp_pause;
BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
lp_advertising);
}
static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
struct ethtool_link_ksettings *lk_ksettings)
{
u16 fw_speeds = link_info->support_speeds;
BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
Asym_Pause);
if (link_info->support_auto_speeds)
ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
Autoneg);
}
u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
{
switch (fw_link_speed) {
case BNXT_LINK_SPEED_100MB:
return SPEED_100;
case BNXT_LINK_SPEED_1GB:
return SPEED_1000;
case BNXT_LINK_SPEED_2_5GB:
return SPEED_2500;
case BNXT_LINK_SPEED_10GB:
return SPEED_10000;
case BNXT_LINK_SPEED_20GB:
return SPEED_20000;
case BNXT_LINK_SPEED_25GB:
return SPEED_25000;
case BNXT_LINK_SPEED_40GB:
return SPEED_40000;
case BNXT_LINK_SPEED_50GB:
return SPEED_50000;
case BNXT_LINK_SPEED_100GB:
return SPEED_100000;
default:
return SPEED_UNKNOWN;
}
}
static int bnxt_get_link_ksettings(struct net_device *dev,
struct ethtool_link_ksettings *lk_ksettings)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
struct ethtool_link_settings *base = &lk_ksettings->base;
u32 ethtool_speed;
ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
mutex_lock(&bp->link_lock);
bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
if (link_info->autoneg) {
bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
ethtool_link_ksettings_add_link_mode(lk_ksettings,
advertising, Autoneg);
base->autoneg = AUTONEG_ENABLE;
if (link_info->phy_link_status == BNXT_LINK_LINK)
bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
if (!netif_carrier_ok(dev))
base->duplex = DUPLEX_UNKNOWN;
else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
base->duplex = DUPLEX_FULL;
else
base->duplex = DUPLEX_HALF;
} else {
base->autoneg = AUTONEG_DISABLE;
ethtool_speed =
bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
base->duplex = DUPLEX_HALF;
if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
base->duplex = DUPLEX_FULL;
}
base->speed = ethtool_speed;
base->port = PORT_NONE;
if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
base->port = PORT_TP;
ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
TP);
ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
TP);
} else {
ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
FIBRE);
ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
FIBRE);
if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
base->port = PORT_DA;
else if (link_info->media_type ==
PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
base->port = PORT_FIBRE;
}
base->phy_address = link_info->phy_addr;
mutex_unlock(&bp->link_lock);
return 0;
}
static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
u16 support_spds = link_info->support_speeds;
u32 fw_speed = 0;
switch (ethtool_speed) {
case SPEED_100:
if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
break;
case SPEED_1000:
if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
break;
case SPEED_2500:
if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
break;
case SPEED_10000:
if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
break;
case SPEED_20000:
if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
break;
case SPEED_25000:
if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
break;
case SPEED_40000:
if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
break;
case SPEED_50000:
if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
break;
case SPEED_100000:
if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
break;
default:
netdev_err(dev, "unsupported speed!\n");
break;
}
return fw_speed;
}
u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
{
u16 fw_speed_mask = 0;
/* only support autoneg at speed 100, 1000, and 10000 */
if (advertising & (ADVERTISED_100baseT_Full |
ADVERTISED_100baseT_Half)) {
fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
}
if (advertising & (ADVERTISED_1000baseT_Full |
ADVERTISED_1000baseT_Half)) {
fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
}
if (advertising & ADVERTISED_10000baseT_Full)
fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
if (advertising & ADVERTISED_40000baseCR4_Full)
fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
return fw_speed_mask;
}
static int bnxt_set_link_ksettings(struct net_device *dev,
const struct ethtool_link_ksettings *lk_ksettings)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
const struct ethtool_link_settings *base = &lk_ksettings->base;
bool set_pause = false;
u16 fw_advertising = 0;
u32 speed;
int rc = 0;
if (!BNXT_SINGLE_PF(bp))
return -EOPNOTSUPP;
mutex_lock(&bp->link_lock);
if (base->autoneg == AUTONEG_ENABLE) {
BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
advertising);
link_info->autoneg |= BNXT_AUTONEG_SPEED;
if (!fw_advertising)
link_info->advertising = link_info->support_auto_speeds;
else
link_info->advertising = fw_advertising;
/* any change to autoneg will cause link change, therefore the
* driver should put back the original pause setting in autoneg
*/
set_pause = true;
} else {
u16 fw_speed;
u8 phy_type = link_info->phy_type;
if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
netdev_err(dev, "10GBase-T devices must autoneg\n");
rc = -EINVAL;
goto set_setting_exit;
}
if (base->duplex == DUPLEX_HALF) {
netdev_err(dev, "HALF DUPLEX is not supported!\n");
rc = -EINVAL;
goto set_setting_exit;
}
speed = base->speed;
fw_speed = bnxt_get_fw_speed(dev, speed);
if (!fw_speed) {
rc = -EINVAL;
goto set_setting_exit;
}
link_info->req_link_speed = fw_speed;
link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
link_info->autoneg = 0;
link_info->advertising = 0;
}
if (netif_running(dev))
rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
set_setting_exit:
mutex_unlock(&bp->link_lock);
return rc;
}
static void bnxt_get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *epause)
{
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
if (BNXT_VF(bp))
return;
epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
}
static int bnxt_set_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *epause)
{
int rc = 0;
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
if (!BNXT_SINGLE_PF(bp))
return -EOPNOTSUPP;
mutex_lock(&bp->link_lock);
if (epause->autoneg) {
if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
rc = -EINVAL;
goto pause_exit;
}
link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
if (bp->hwrm_spec_code >= 0x10201)
link_info->req_flow_ctrl =
PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
} else {
/* when transition from auto pause to force pause,
* force a link change
*/
if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
link_info->force_link_chng = true;
link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
link_info->req_flow_ctrl = 0;
}
if (epause->rx_pause)
link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
if (epause->tx_pause)
link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
if (netif_running(dev))
rc = bnxt_hwrm_set_pause(bp);
pause_exit:
mutex_unlock(&bp->link_lock);
return rc;
}
static u32 bnxt_get_link(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
/* TODO: handle MF, VF, driver close case */
return bp->link_info.link_up;
}
static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
u16 ext, u16 *index, u32 *item_length,
u32 *data_length);
static int bnxt_flash_nvram(struct net_device *dev,
u16 dir_type,
u16 dir_ordinal,
u16 dir_ext,
u16 dir_attr,
const u8 *data,
size_t data_len)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
struct hwrm_nvm_write_input req = {0};
dma_addr_t dma_handle;
u8 *kmem;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
req.dir_type = cpu_to_le16(dir_type);
req.dir_ordinal = cpu_to_le16(dir_ordinal);
req.dir_ext = cpu_to_le16(dir_ext);
req.dir_attr = cpu_to_le16(dir_attr);
req.dir_data_length = cpu_to_le32(data_len);
kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
GFP_KERNEL);
if (!kmem) {
netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
(unsigned)data_len);
return -ENOMEM;
}
memcpy(kmem, data, data_len);
req.host_src_addr = cpu_to_le64(dma_handle);
rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
if (rc == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
netdev_info(dev,
"PF does not have admin privileges to flash the device\n");
rc = -EACCES;
} else if (rc) {
rc = -EIO;
}
return rc;
}
static int bnxt_firmware_reset(struct net_device *dev,
u16 dir_type)
{
struct hwrm_fw_reset_input req = {0};
struct bnxt *bp = netdev_priv(dev);
int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
/* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
/* (e.g. when firmware isn't already running) */
switch (dir_type) {
case BNX_DIR_TYPE_CHIMP_PATCH:
case BNX_DIR_TYPE_BOOTCODE:
case BNX_DIR_TYPE_BOOTCODE_2:
req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
/* Self-reset ChiMP upon next PCIe reset: */
req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
break;
case BNX_DIR_TYPE_APE_FW:
case BNX_DIR_TYPE_APE_PATCH:
req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
/* Self-reset APE upon next PCIe reset: */
req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
break;
case BNX_DIR_TYPE_KONG_FW:
case BNX_DIR_TYPE_KONG_PATCH:
req.embedded_proc_type =
FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
break;
case BNX_DIR_TYPE_BONO_FW:
case BNX_DIR_TYPE_BONO_PATCH:
req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
break;
case BNXT_FW_RESET_CHIP:
req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP;
req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP;
break;
case BNXT_FW_RESET_AP:
req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP;
break;
default:
return -EINVAL;
}
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
netdev_info(dev,
"PF does not have admin privileges to reset the device\n");
rc = -EACCES;
} else if (rc) {
rc = -EIO;
}
return rc;
}
static int bnxt_flash_firmware(struct net_device *dev,
u16 dir_type,
const u8 *fw_data,
size_t fw_size)
{
int rc = 0;
u16 code_type;
u32 stored_crc;
u32 calculated_crc;
struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
switch (dir_type) {
case BNX_DIR_TYPE_BOOTCODE:
case BNX_DIR_TYPE_BOOTCODE_2:
code_type = CODE_BOOT;
break;
case BNX_DIR_TYPE_CHIMP_PATCH:
code_type = CODE_CHIMP_PATCH;
break;
case BNX_DIR_TYPE_APE_FW:
code_type = CODE_MCTP_PASSTHRU;
break;
case BNX_DIR_TYPE_APE_PATCH:
code_type = CODE_APE_PATCH;
break;
case BNX_DIR_TYPE_KONG_FW:
code_type = CODE_KONG_FW;
break;
case BNX_DIR_TYPE_KONG_PATCH:
code_type = CODE_KONG_PATCH;
break;
case BNX_DIR_TYPE_BONO_FW:
code_type = CODE_BONO_FW;
break;
case BNX_DIR_TYPE_BONO_PATCH:
code_type = CODE_BONO_PATCH;
break;
default:
netdev_err(dev, "Unsupported directory entry type: %u\n",
dir_type);
return -EINVAL;
}
if (fw_size < sizeof(struct bnxt_fw_header)) {
netdev_err(dev, "Invalid firmware file size: %u\n",
(unsigned int)fw_size);
return -EINVAL;
}
if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
netdev_err(dev, "Invalid firmware signature: %08X\n",
le32_to_cpu(header->signature));
return -EINVAL;
}
if (header->code_type != code_type) {
netdev_err(dev, "Expected firmware type: %d, read: %d\n",
code_type, header->code_type);
return -EINVAL;
}
if (header->device != DEVICE_CUMULUS_FAMILY) {
netdev_err(dev, "Expected firmware device family %d, read: %d\n",
DEVICE_CUMULUS_FAMILY, header->device);
return -EINVAL;
}
/* Confirm the CRC32 checksum of the file: */
stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
sizeof(stored_crc)));
calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
if (calculated_crc != stored_crc) {
netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
(unsigned long)stored_crc,
(unsigned long)calculated_crc);
return -EINVAL;
}
rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
0, 0, fw_data, fw_size);
if (rc == 0) /* Firmware update successful */
rc = bnxt_firmware_reset(dev, dir_type);
return rc;
}
static int bnxt_flash_microcode(struct net_device *dev,
u16 dir_type,
const u8 *fw_data,
size_t fw_size)
{
struct bnxt_ucode_trailer *trailer;
u32 calculated_crc;
u32 stored_crc;
int rc = 0;
if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
netdev_err(dev, "Invalid microcode file size: %u\n",
(unsigned int)fw_size);
return -EINVAL;
}
trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
sizeof(*trailer)));
if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
le32_to_cpu(trailer->sig));
return -EINVAL;
}
if (le16_to_cpu(trailer->dir_type) != dir_type) {
netdev_err(dev, "Expected microcode type: %d, read: %d\n",
dir_type, le16_to_cpu(trailer->dir_type));
return -EINVAL;
}
if (le16_to_cpu(trailer->trailer_length) <
sizeof(struct bnxt_ucode_trailer)) {
netdev_err(dev, "Invalid microcode trailer length: %d\n",
le16_to_cpu(trailer->trailer_length));
return -EINVAL;
}
/* Confirm the CRC32 checksum of the file: */
stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
sizeof(stored_crc)));
calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
if (calculated_crc != stored_crc) {
netdev_err(dev,
"CRC32 (%08lX) does not match calculated: %08lX\n",
(unsigned long)stored_crc,
(unsigned long)calculated_crc);
return -EINVAL;
}
rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
0, 0, fw_data, fw_size);
return rc;
}
static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
{
switch (dir_type) {
case BNX_DIR_TYPE_CHIMP_PATCH:
case BNX_DIR_TYPE_BOOTCODE:
case BNX_DIR_TYPE_BOOTCODE_2:
case BNX_DIR_TYPE_APE_FW:
case BNX_DIR_TYPE_APE_PATCH:
case BNX_DIR_TYPE_KONG_FW:
case BNX_DIR_TYPE_KONG_PATCH:
case BNX_DIR_TYPE_BONO_FW:
case BNX_DIR_TYPE_BONO_PATCH:
return true;
}
return false;
}
static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
{
switch (dir_type) {
case BNX_DIR_TYPE_AVS:
case BNX_DIR_TYPE_EXP_ROM_MBA:
case BNX_DIR_TYPE_PCIE:
case BNX_DIR_TYPE_TSCF_UCODE:
case BNX_DIR_TYPE_EXT_PHY:
case BNX_DIR_TYPE_CCM:
case BNX_DIR_TYPE_ISCSI_BOOT:
case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
return true;
}
return false;
}
static bool bnxt_dir_type_is_executable(u16 dir_type)
{
return bnxt_dir_type_is_ape_bin_format(dir_type) ||
bnxt_dir_type_is_other_exec_format(dir_type);
}
static int bnxt_flash_firmware_from_file(struct net_device *dev,
u16 dir_type,
const char *filename)
{
const struct firmware *fw;
int rc;
rc = request_firmware(&fw, filename, &dev->dev);
if (rc != 0) {
netdev_err(dev, "Error %d requesting firmware file: %s\n",
rc, filename);
return rc;
}
if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
else
rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
0, 0, fw->data, fw->size);
release_firmware(fw);
return rc;
}
static int bnxt_flash_package_from_file(struct net_device *dev,
char *filename, u32 install_type)
{
struct bnxt *bp = netdev_priv(dev);
struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
struct hwrm_nvm_install_update_input install = {0};
const struct firmware *fw;
int rc, hwrm_err = 0;
u32 item_len;
u16 index;
bnxt_hwrm_fw_set_time(bp);
if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
&index, &item_len, NULL) != 0) {
netdev_err(dev, "PKG update area not created in nvram\n");
return -ENOBUFS;
}
rc = request_firmware(&fw, filename, &dev->dev);
if (rc != 0) {
netdev_err(dev, "PKG error %d requesting file: %s\n",
rc, filename);
return rc;
}
if (fw->size > item_len) {
netdev_err(dev, "PKG insufficient update area in nvram: %lu",
(unsigned long)fw->size);
rc = -EFBIG;
} else {
dma_addr_t dma_handle;
u8 *kmem;
struct hwrm_nvm_modify_input modify = {0};
bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
modify.dir_idx = cpu_to_le16(index);
modify.len = cpu_to_le32(fw->size);
kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
&dma_handle, GFP_KERNEL);
if (!kmem) {
netdev_err(dev,
"dma_alloc_coherent failure, length = %u\n",
(unsigned int)fw->size);
rc = -ENOMEM;
} else {
memcpy(kmem, fw->data, fw->size);
modify.host_src_addr = cpu_to_le64(dma_handle);
hwrm_err = hwrm_send_message(bp, &modify,
sizeof(modify),
FLASH_PACKAGE_TIMEOUT);
dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
dma_handle);
}
}
release_firmware(fw);
if (rc || hwrm_err)
goto err_exit;
if ((install_type & 0xffff) == 0)
install_type >>= 16;
bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
install.install_type = cpu_to_le32(install_type);
mutex_lock(&bp->hwrm_cmd_lock);
hwrm_err = _hwrm_send_message(bp, &install, sizeof(install),
INSTALL_PACKAGE_TIMEOUT);
if (hwrm_err) {
u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
if (resp->error_code && error_code ==
NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
install.flags |= cpu_to_le16(
NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
hwrm_err = _hwrm_send_message(bp, &install,
sizeof(install),
INSTALL_PACKAGE_TIMEOUT);
}
if (hwrm_err)
goto flash_pkg_exit;
}
if (resp->result) {
netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
(s8)resp->result, (int)resp->problem_item);
rc = -ENOPKG;
}
flash_pkg_exit:
mutex_unlock(&bp->hwrm_cmd_lock);
err_exit:
if (hwrm_err == HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED) {
netdev_info(dev,
"PF does not have admin privileges to flash the device\n");
rc = -EACCES;
} else if (hwrm_err) {
rc = -EOPNOTSUPP;
}
return rc;
}
static int bnxt_flash_device(struct net_device *dev,
struct ethtool_flash *flash)
{
if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
netdev_err(dev, "flashdev not supported from a virtual function\n");
return -EINVAL;
}
if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
flash->region > 0xffff)
return bnxt_flash_package_from_file(dev, flash->data,
flash->region);
return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
}
static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
struct hwrm_nvm_get_dir_info_input req = {0};
struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (!rc) {
*entries = le32_to_cpu(output->entries);
*length = le32_to_cpu(output->entry_length);
}
mutex_unlock(&bp->hwrm_cmd_lock);
return rc;
}
static int bnxt_get_eeprom_len(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
if (BNXT_VF(bp))
return 0;
/* The -1 return value allows the entire 32-bit range of offsets to be
* passed via the ethtool command-line utility.
*/
return -1;
}
static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
u32 dir_entries;
u32 entry_length;
u8 *buf;
size_t buflen;
dma_addr_t dma_handle;
struct hwrm_nvm_get_dir_entries_input req = {0};
rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
if (rc != 0)
return rc;
if (!dir_entries || !entry_length)
return -EIO;
/* Insert 2 bytes of directory info (count and size of entries) */
if (len < 2)
return -EINVAL;
*data++ = dir_entries;
*data++ = entry_length;
len -= 2;
memset(data, 0xff, len);
buflen = dir_entries * entry_length;
buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
GFP_KERNEL);
if (!buf) {
netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
(unsigned)buflen);
return -ENOMEM;
}
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
req.host_dest_addr = cpu_to_le64(dma_handle);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc == 0)
memcpy(data, buf, len > buflen ? buflen : len);
dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
return rc;
}
static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
u32 length, u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
u8 *buf;
dma_addr_t dma_handle;
struct hwrm_nvm_read_input req = {0};
if (!length)
return -EINVAL;
buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
GFP_KERNEL);
if (!buf) {
netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
(unsigned)length);
return -ENOMEM;
}
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
req.host_dest_addr = cpu_to_le64(dma_handle);
req.dir_idx = cpu_to_le16(index);
req.offset = cpu_to_le32(offset);
req.len = cpu_to_le32(length);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc == 0)
memcpy(data, buf, length);
dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
return rc;
}
static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
u16 ext, u16 *index, u32 *item_length,
u32 *data_length)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
struct hwrm_nvm_find_dir_entry_input req = {0};
struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
req.enables = 0;
req.dir_idx = 0;
req.dir_type = cpu_to_le16(type);
req.dir_ordinal = cpu_to_le16(ordinal);
req.dir_ext = cpu_to_le16(ext);
req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc == 0) {
if (index)
*index = le16_to_cpu(output->dir_idx);
if (item_length)
*item_length = le32_to_cpu(output->dir_item_length);
if (data_length)
*data_length = le32_to_cpu(output->dir_data_length);
}
mutex_unlock(&bp->hwrm_cmd_lock);
return rc;
}
static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
{
char *retval = NULL;
char *p;
char *value;
int field = 0;
if (datalen < 1)
return NULL;
/* null-terminate the log data (removing last '\n'): */
data[datalen - 1] = 0;
for (p = data; *p != 0; p++) {
field = 0;
retval = NULL;
while (*p != 0 && *p != '\n') {
value = p;
while (*p != 0 && *p != '\t' && *p != '\n')
p++;
if (field == desired_field)
retval = value;
if (*p != '\t')
break;
*p = 0;
field++;
p++;
}
if (*p == 0)
break;
*p = 0;
}
return retval;
}
static void bnxt_get_pkgver(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
u16 index = 0;
char *pkgver;
u32 pkglen;
u8 *pkgbuf;
int len;
if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
&index, NULL, &pkglen) != 0)
return;
pkgbuf = kzalloc(pkglen, GFP_KERNEL);
if (!pkgbuf) {
dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n",
pkglen);
return;
}
if (bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf))
goto err;
pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf,
pkglen);
if (pkgver && *pkgver != 0 && isdigit(*pkgver)) {
len = strlen(bp->fw_ver_str);
snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
"/pkg %s", pkgver);
}
err:
kfree(pkgbuf);
}
static int bnxt_get_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom,
u8 *data)
{
u32 index;
u32 offset;
if (eeprom->offset == 0) /* special offset value to get directory */
return bnxt_get_nvram_directory(dev, eeprom->len, data);
index = eeprom->offset >> 24;
offset = eeprom->offset & 0xffffff;
if (index == 0) {
netdev_err(dev, "unsupported index value: %d\n", index);
return -EINVAL;
}
return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
}
static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
{
struct bnxt *bp = netdev_priv(dev);
struct hwrm_nvm_erase_dir_entry_input req = {0};
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
req.dir_idx = cpu_to_le16(index);
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int bnxt_set_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom,
u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
u8 index, dir_op;
u16 type, ext, ordinal, attr;
if (!BNXT_PF(bp)) {
netdev_err(dev, "NVM write not supported from a virtual function\n");
return -EINVAL;
}
type = eeprom->magic >> 16;
if (type == 0xffff) { /* special value for directory operations */
index = eeprom->magic & 0xff;
dir_op = eeprom->magic >> 8;
if (index == 0)
return -EINVAL;
switch (dir_op) {
case 0x0e: /* erase */
if (eeprom->offset != ~eeprom->magic)
return -EINVAL;
return bnxt_erase_nvram_directory(dev, index - 1);
default:
return -EINVAL;
}
}
/* Create or re-write an NVM item: */
if (bnxt_dir_type_is_executable(type) == true)
return -EOPNOTSUPP;
ext = eeprom->magic & 0xffff;
ordinal = eeprom->offset >> 16;
attr = eeprom->offset & 0xffff;
return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
eeprom->len);
}
static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
{
struct bnxt *bp = netdev_priv(dev);
struct ethtool_eee *eee = &bp->eee;
struct bnxt_link_info *link_info = &bp->link_info;
u32 advertising;
int rc = 0;
if (!BNXT_SINGLE_PF(bp))
return -EOPNOTSUPP;
if (!(bp->flags & BNXT_FLAG_EEE_CAP))
return -EOPNOTSUPP;
mutex_lock(&bp->link_lock);
advertising = _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
if (!edata->eee_enabled)
goto eee_ok;
if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
netdev_warn(dev, "EEE requires autoneg\n");
rc = -EINVAL;
goto eee_exit;
}
if (edata->tx_lpi_enabled) {
if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
bp->lpi_tmr_lo, bp->lpi_tmr_hi);
rc = -EINVAL;
goto eee_exit;
} else if (!bp->lpi_tmr_hi) {
edata->tx_lpi_timer = eee->tx_lpi_timer;
}
}
if (!edata->advertised) {
edata->advertised = advertising & eee->supported;
} else if (edata->advertised & ~advertising) {
netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
edata->advertised, advertising);
rc = -EINVAL;
goto eee_exit;
}
eee->advertised = edata->advertised;
eee->tx_lpi_enabled = edata->tx_lpi_enabled;
eee->tx_lpi_timer = edata->tx_lpi_timer;
eee_ok:
eee->eee_enabled = edata->eee_enabled;
if (netif_running(dev))
rc = bnxt_hwrm_set_link_setting(bp, false, true);
eee_exit:
mutex_unlock(&bp->link_lock);
return rc;
}
static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
{
struct bnxt *bp = netdev_priv(dev);
if (!(bp->flags & BNXT_FLAG_EEE_CAP))
return -EOPNOTSUPP;
*edata = bp->eee;
if (!bp->eee.eee_enabled) {
/* Preserve tx_lpi_timer so that the last value will be used
* by default when it is re-enabled.
*/
edata->advertised = 0;
edata->tx_lpi_enabled = 0;
}
if (!bp->eee.eee_active)
edata->lp_advertised = 0;
return 0;
}
static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
u16 page_number, u16 start_addr,
u16 data_length, u8 *buf)
{
struct hwrm_port_phy_i2c_read_input req = {0};
struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
int rc, byte_offset = 0;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
req.i2c_slave_addr = i2c_addr;
req.page_number = cpu_to_le16(page_number);
req.port_id = cpu_to_le16(bp->pf.port_id);
do {
u16 xfer_size;
xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
data_length -= xfer_size;
req.page_offset = cpu_to_le16(start_addr + byte_offset);
req.data_length = xfer_size;
req.enables = cpu_to_le32(start_addr + byte_offset ?
PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message(bp, &req, sizeof(req),
HWRM_CMD_TIMEOUT);
if (!rc)
memcpy(buf + byte_offset, output->data, xfer_size);
mutex_unlock(&bp->hwrm_cmd_lock);
byte_offset += xfer_size;
} while (!rc && data_length > 0);
return rc;
}
static int bnxt_get_module_info(struct net_device *dev,
struct ethtool_modinfo *modinfo)
{
u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
struct bnxt *bp = netdev_priv(dev);
int rc;
/* No point in going further if phy status indicates
* module is not inserted or if it is powered down or
* if it is of type 10GBase-T
*/
if (bp->link_info.module_status >
PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
return -EOPNOTSUPP;
/* This feature is not supported in older firmware versions */
if (bp->hwrm_spec_code < 0x10202)
return -EOPNOTSUPP;
rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
SFF_DIAG_SUPPORT_OFFSET + 1,
data);
if (!rc) {
u8 module_id = data[0];
u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
switch (module_id) {
case SFF_MODULE_ID_SFP:
modinfo->type = ETH_MODULE_SFF_8472;
modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
if (!diag_supported)
modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
break;
case SFF_MODULE_ID_QSFP:
case SFF_MODULE_ID_QSFP_PLUS:
modinfo->type = ETH_MODULE_SFF_8436;
modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
break;
case SFF_MODULE_ID_QSFP28:
modinfo->type = ETH_MODULE_SFF_8636;
modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
break;
default:
rc = -EOPNOTSUPP;
break;
}
}
return rc;
}
static int bnxt_get_module_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom,
u8 *data)
{
struct bnxt *bp = netdev_priv(dev);
u16 start = eeprom->offset, length = eeprom->len;
int rc = 0;
memset(data, 0, eeprom->len);
/* Read A0 portion of the EEPROM */
if (start < ETH_MODULE_SFF_8436_LEN) {
if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
length = ETH_MODULE_SFF_8436_LEN - start;
rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
start, length, data);
if (rc)
return rc;
start += length;
data += length;
length = eeprom->len - length;
}
/* Read A2 portion of the EEPROM */
if (length) {
start -= ETH_MODULE_SFF_8436_LEN;
rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 0,
start, length, data);
}
return rc;
}
static int bnxt_nway_reset(struct net_device *dev)
{
int rc = 0;
struct bnxt *bp = netdev_priv(dev);
struct bnxt_link_info *link_info = &bp->link_info;
if (!BNXT_SINGLE_PF(bp))
return -EOPNOTSUPP;
if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
return -EINVAL;
if (netif_running(dev))
rc = bnxt_hwrm_set_link_setting(bp, true, false);
return rc;
}
static int bnxt_set_phys_id(struct net_device *dev,
enum ethtool_phys_id_state state)
{
struct hwrm_port_led_cfg_input req = {0};
struct bnxt *bp = netdev_priv(dev);
struct bnxt_pf_info *pf = &bp->pf;
struct bnxt_led_cfg *led_cfg;
u8 led_state;
__le16 duration;
int i, rc;
if (!bp->num_leds || BNXT_VF(bp))
return -EOPNOTSUPP;
if (state == ETHTOOL_ID_ACTIVE) {
led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
duration = cpu_to_le16(500);
} else if (state == ETHTOOL_ID_INACTIVE) {
led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
duration = cpu_to_le16(0);
} else {
return -EINVAL;
}
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
req.port_id = cpu_to_le16(pf->port_id);
req.num_leds = bp->num_leds;
led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
for (i = 0; i < bp->num_leds; i++, led_cfg++) {
req.enables |= BNXT_LED_DFLT_ENABLES(i);
led_cfg->led_id = bp->leds[i].led_id;
led_cfg->led_state = led_state;
led_cfg->led_blink_on = duration;
led_cfg->led_blink_off = duration;
led_cfg->led_group_id = bp->leds[i].led_group_id;
}
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc)
rc = -EIO;
return rc;
}
static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
{
struct hwrm_selftest_irq_input req = {0};
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int bnxt_test_irq(struct bnxt *bp)
{
int i;
for (i = 0; i < bp->cp_nr_rings; i++) {
u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
int rc;
rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
if (rc)
return rc;
}
return 0;
}
static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
{
struct hwrm_port_mac_cfg_input req = {0};
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
if (enable)
req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
else
req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int bnxt_query_force_speeds(struct bnxt *bp, u16 *force_speeds)
{
struct hwrm_port_phy_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
struct hwrm_port_phy_qcaps_input req = {0};
int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCAPS, -1, -1);
mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (!rc)
*force_speeds = le16_to_cpu(resp->supported_speeds_force_mode);
mutex_unlock(&bp->hwrm_cmd_lock);
return rc;
}
static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
struct hwrm_port_phy_cfg_input *req)
{
struct bnxt_link_info *link_info = &bp->link_info;
u16 fw_advertising;
u16 fw_speed;
int rc;
if (!link_info->autoneg)
return 0;
rc = bnxt_query_force_speeds(bp, &fw_advertising);
if (rc)
return rc;
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
if (netif_carrier_ok(bp->dev))
fw_speed = bp->link_info.link_speed;
else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
req->force_link_speed = cpu_to_le16(fw_speed);
req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
req->flags = 0;
req->force_link_speed = cpu_to_le16(0);
return rc;
}
static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
{
struct hwrm_port_phy_cfg_input req = {0};
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
if (enable) {
bnxt_disable_an_for_lpbk(bp, &req);
if (ext)
req.lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
else
req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
} else {
req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
}
req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_napi *bnapi,
u32 raw_cons, int pkt_size)
{
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
struct bnxt_sw_rx_bd *rx_buf;
struct rx_cmp *rxcmp;
u16 cp_cons, cons;
u8 *data;
u32 len;
int i;
cp_cons = RING_CMP(raw_cons);
rxcmp = (struct rx_cmp *)
&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
cons = rxcmp->rx_cmp_opaque;
rx_buf = &rxr->rx_buf_ring[cons];
data = rx_buf->data_ptr;
len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
if (len != pkt_size)
return -EIO;
i = ETH_ALEN;
if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
return -EIO;
i += ETH_ALEN;
for ( ; i < pkt_size; i++) {
if (data[i] != (u8)(i & 0xff))
return -EIO;
}
return 0;
}
static int bnxt_poll_loopback(struct bnxt *bp, int pkt_size)
{
struct bnxt_napi *bnapi = bp->bnapi[0];
struct bnxt_cp_ring_info *cpr;
struct tx_cmp *txcmp;
int rc = -EIO;
u32 raw_cons;
u32 cons;
int i;
cpr = &bnapi->cp_ring;
raw_cons = cpr->cp_raw_cons;
for (i = 0; i < 200; i++) {
cons = RING_CMP(raw_cons);
txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
if (!TX_CMP_VALID(txcmp, raw_cons)) {
udelay(5);
continue;
}
/* The valid test of the entry must be done first before
* reading any further.
*/
dma_rmb();
if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
rc = bnxt_rx_loopback(bp, bnapi, raw_cons, pkt_size);
raw_cons = NEXT_RAW_CMP(raw_cons);
raw_cons = NEXT_RAW_CMP(raw_cons);
break;
}
raw_cons = NEXT_RAW_CMP(raw_cons);
}
cpr->cp_raw_cons = raw_cons;
return rc;
}
static int bnxt_run_loopback(struct bnxt *bp)
{
struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
int pkt_size, i = 0;
struct sk_buff *skb;
dma_addr_t map;
u8 *data;
int rc;
pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
skb = netdev_alloc_skb(bp->dev, pkt_size);
if (!skb)
return -ENOMEM;
data = skb_put(skb, pkt_size);
eth_broadcast_addr(data);
i += ETH_ALEN;
ether_addr_copy(&data[i], bp->dev->dev_addr);
i += ETH_ALEN;
for ( ; i < pkt_size; i++)
data[i] = (u8)(i & 0xff);
map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
PCI_DMA_TODEVICE);
if (dma_mapping_error(&bp->pdev->dev, map)) {
dev_kfree_skb(skb);
return -EIO;
}
bnxt_xmit_xdp(bp, txr, map, pkt_size, 0);
/* Sync BD data before updating doorbell */
wmb();
bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | txr->tx_prod);
rc = bnxt_poll_loopback(bp, pkt_size);
dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
dev_kfree_skb(skb);
return rc;
}
static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
{
struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
struct hwrm_selftest_exec_input req = {0};
int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
mutex_lock(&bp->hwrm_cmd_lock);
resp->test_success = 0;
req.flags = test_mask;
rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
*test_results = resp->test_success;
mutex_unlock(&bp->hwrm_cmd_lock);
return rc;
}
#define BNXT_DRV_TESTS 4
#define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS)
#define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1)
#define BNXT_EXTLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2)
#define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 3)
static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
u64 *buf)
{
struct bnxt *bp = netdev_priv(dev);
bool do_ext_lpbk = false;
bool offline = false;
u8 test_results = 0;
u8 test_mask = 0;
int rc = 0, i;
if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
return;
memset(buf, 0, sizeof(u64) * bp->num_tests);
if (!netif_running(dev)) {
etest->flags |= ETH_TEST_FL_FAILED;
return;
}
if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
(bp->test_info->flags & BNXT_TEST_FL_EXT_LPBK))
do_ext_lpbk = true;
if (etest->flags & ETH_TEST_FL_OFFLINE) {
if (bp->pf.active_vfs) {
etest->flags |= ETH_TEST_FL_FAILED;
netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
return;
}
offline = true;
}
for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
u8 bit_val = 1 << i;
if (!(bp->test_info->offline_mask & bit_val))
test_mask |= bit_val;
else if (offline)
test_mask |= bit_val;
}
if (!offline) {
bnxt_run_fw_tests(bp, test_mask, &test_results);
} else {
rc = bnxt_close_nic(bp, false, false);
if (rc)
return;
bnxt_run_fw_tests(bp, test_mask, &test_results);
buf[BNXT_MACLPBK_TEST_IDX] = 1;
bnxt_hwrm_mac_loopback(bp, true);
msleep(250);
rc = bnxt_half_open_nic(bp);
if (rc) {
bnxt_hwrm_mac_loopback(bp, false);
etest->flags |= ETH_TEST_FL_FAILED;
return;
}
if (bnxt_run_loopback(bp))
etest->flags |= ETH_TEST_FL_FAILED;
else
buf[BNXT_MACLPBK_TEST_IDX] = 0;
bnxt_hwrm_mac_loopback(bp, false);
bnxt_hwrm_phy_loopback(bp, true, false);
msleep(1000);
if (bnxt_run_loopback(bp)) {
buf[BNXT_PHYLPBK_TEST_IDX] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
if (do_ext_lpbk) {
etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
bnxt_hwrm_phy_loopback(bp, true, true);
msleep(1000);
if (bnxt_run_loopback(bp)) {
buf[BNXT_EXTLPBK_TEST_IDX] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
}
bnxt_hwrm_phy_loopback(bp, false, false);
bnxt_half_close_nic(bp);
rc = bnxt_open_nic(bp, false, true);
}
if (rc || bnxt_test_irq(bp)) {
buf[BNXT_IRQ_TEST_IDX] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
u8 bit_val = 1 << i;
if ((test_mask & bit_val) && !(test_results & bit_val)) {
buf[i] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
}
}
static int bnxt_reset(struct net_device *dev, u32 *flags)
{
struct bnxt *bp = netdev_priv(dev);
int rc = 0;
if (!BNXT_PF(bp)) {
netdev_err(dev, "Reset is not supported from a VF\n");
return -EOPNOTSUPP;
}
if (pci_vfs_assigned(bp->pdev)) {
netdev_err(dev,
"Reset not allowed when VFs are assigned to VMs\n");
return -EBUSY;
}
if (*flags == ETH_RESET_ALL) {
/* This feature is not supported in older firmware versions */
if (bp->hwrm_spec_code < 0x10803)
return -EOPNOTSUPP;
rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP);
if (!rc) {
netdev_info(dev, "Reset request successful. Reload driver to complete reset\n");
*flags = 0;
}
} else if (*flags == ETH_RESET_AP) {
/* This feature is not supported in older firmware versions */
if (bp->hwrm_spec_code < 0x10803)
return -EOPNOTSUPP;
rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_AP);
if (!rc) {
netdev_info(dev, "Reset Application Processor request successful.\n");
*flags = 0;
}
} else {
rc = -EINVAL;
}
return rc;
}
static int bnxt_hwrm_dbg_dma_data(struct bnxt *bp, void *msg, int msg_len,
struct bnxt_hwrm_dbg_dma_info *info)
{
struct hwrm_dbg_cmn_output *cmn_resp = bp->hwrm_cmd_resp_addr;
struct hwrm_dbg_cmn_input *cmn_req = msg;
__le16 *seq_ptr = msg + info->seq_off;
u16 seq = 0, len, segs_off;
void *resp = cmn_resp;
dma_addr_t dma_handle;
int rc, off = 0;
void *dma_buf;
dma_buf = dma_alloc_coherent(&bp->pdev->dev, info->dma_len, &dma_handle,
GFP_KERNEL);
if (!dma_buf)
return -ENOMEM;
segs_off = offsetof(struct hwrm_dbg_coredump_list_output,
total_segments);
cmn_req->host_dest_addr = cpu_to_le64(dma_handle);
cmn_req->host_buf_len = cpu_to_le32(info->dma_len);
mutex_lock(&bp->hwrm_cmd_lock);
while (1) {
*seq_ptr = cpu_to_le16(seq);
rc = _hwrm_send_message(bp, msg, msg_len, HWRM_CMD_TIMEOUT);
if (rc)
break;
len = le16_to_cpu(*((__le16 *)(resp + info->data_len_off)));
if (!seq &&
cmn_req->req_type == cpu_to_le16(HWRM_DBG_COREDUMP_LIST)) {
info->segs = le16_to_cpu(*((__le16 *)(resp +
segs_off)));
if (!info->segs) {
rc = -EIO;
break;
}
info->dest_buf_size = info->segs *
sizeof(struct coredump_segment_record);
info->dest_buf = kmalloc(info->dest_buf_size,
GFP_KERNEL);
if (!info->dest_buf) {
rc = -ENOMEM;
break;
}
}
if (info->dest_buf) {
if ((info->seg_start + off + len) <=
BNXT_COREDUMP_BUF_LEN(info->buf_len)) {
memcpy(info->dest_buf + off, dma_buf, len);
} else {
rc = -ENOBUFS;
break;
}
}
if (cmn_req->req_type ==
cpu_to_le16(HWRM_DBG_COREDUMP_RETRIEVE))
info->dest_buf_size += len;
if (!(cmn_resp->flags & HWRM_DBG_CMN_FLAGS_MORE))
break;
seq++;
off += len;
}
mutex_unlock(&bp->hwrm_cmd_lock);
dma_free_coherent(&bp->pdev->dev, info->dma_len, dma_buf, dma_handle);
return rc;
}
static int bnxt_hwrm_dbg_coredump_list(struct bnxt *bp,
struct bnxt_coredump *coredump)
{
struct hwrm_dbg_coredump_list_input req = {0};
struct bnxt_hwrm_dbg_dma_info info = {NULL};
int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_LIST, -1, -1);
info.dma_len = COREDUMP_LIST_BUF_LEN;
info.seq_off = offsetof(struct hwrm_dbg_coredump_list_input, seq_no);
info.data_len_off = offsetof(struct hwrm_dbg_coredump_list_output,
data_len);
rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
if (!rc) {
coredump->data = info.dest_buf;
coredump->data_size = info.dest_buf_size;
coredump->total_segs = info.segs;
}
return rc;
}
static int bnxt_hwrm_dbg_coredump_initiate(struct bnxt *bp, u16 component_id,
u16 segment_id)
{
struct hwrm_dbg_coredump_initiate_input req = {0};
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_INITIATE, -1, -1);
req.component_id = cpu_to_le16(component_id);
req.segment_id = cpu_to_le16(segment_id);
return hwrm_send_message(bp, &req, sizeof(req), HWRM_COREDUMP_TIMEOUT);
}
static int bnxt_hwrm_dbg_coredump_retrieve(struct bnxt *bp, u16 component_id,
u16 segment_id, u32 *seg_len,
void *buf, u32 buf_len, u32 offset)
{
struct hwrm_dbg_coredump_retrieve_input req = {0};
struct bnxt_hwrm_dbg_dma_info info = {NULL};
int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_RETRIEVE, -1, -1);
req.component_id = cpu_to_le16(component_id);
req.segment_id = cpu_to_le16(segment_id);
info.dma_len = COREDUMP_RETRIEVE_BUF_LEN;
info.seq_off = offsetof(struct hwrm_dbg_coredump_retrieve_input,
seq_no);
info.data_len_off = offsetof(struct hwrm_dbg_coredump_retrieve_output,
data_len);
if (buf) {
info.dest_buf = buf + offset;
info.buf_len = buf_len;
info.seg_start = offset;
}
rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
if (!rc)
*seg_len = info.dest_buf_size;
return rc;
}
static void
bnxt_fill_coredump_seg_hdr(struct bnxt *bp,
struct bnxt_coredump_segment_hdr *seg_hdr,
struct coredump_segment_record *seg_rec, u32 seg_len,
int status, u32 duration, u32 instance)
{
memset(seg_hdr, 0, sizeof(*seg_hdr));
memcpy(seg_hdr->signature, "sEgM", 4);
if (seg_rec) {
seg_hdr->component_id = (__force __le32)seg_rec->component_id;
seg_hdr->segment_id = (__force __le32)seg_rec->segment_id;
seg_hdr->low_version = seg_rec->version_low;
seg_hdr->high_version = seg_rec->version_hi;
} else {
/* For hwrm_ver_get response Component id = 2
* and Segment id = 0
*/
seg_hdr->component_id = cpu_to_le32(2);
seg_hdr->segment_id = 0;
}
seg_hdr->function_id = cpu_to_le16(bp->pdev->devfn);
seg_hdr->length = cpu_to_le32(seg_len);
seg_hdr->status = cpu_to_le32(status);
seg_hdr->duration = cpu_to_le32(duration);
seg_hdr->data_offset = cpu_to_le32(sizeof(*seg_hdr));
seg_hdr->instance = cpu_to_le32(instance);
}
static void
bnxt_fill_coredump_record(struct bnxt *bp, struct bnxt_coredump_record *record,
time64_t start, s16 start_utc, u16 total_segs,
int status)
{
time64_t end = ktime_get_real_seconds();
u32 os_ver_major = 0, os_ver_minor = 0;
struct tm tm;
time64_to_tm(start, 0, &tm);
memset(record, 0, sizeof(*record));
memcpy(record->signature, "cOrE", 4);
record->flags = 0;
record->low_version = 0;
record->high_version = 1;
record->asic_state = 0;
strlcpy(record->system_name, utsname()->nodename,
sizeof(record->system_name));
record->year = cpu_to_le16(tm.tm_year + 1900);
record->month = cpu_to_le16(tm.tm_mon + 1);
record->day = cpu_to_le16(tm.tm_mday);
record->hour = cpu_to_le16(tm.tm_hour);
record->minute = cpu_to_le16(tm.tm_min);
record->second = cpu_to_le16(tm.tm_sec);
record->utc_bias = cpu_to_le16(start_utc);
strcpy(record->commandline, "ethtool -w");
record->total_segments = cpu_to_le32(total_segs);
sscanf(utsname()->release, "%u.%u", &os_ver_major, &os_ver_minor);
record->os_ver_major = cpu_to_le32(os_ver_major);
record->os_ver_minor = cpu_to_le32(os_ver_minor);
strlcpy(record->os_name, utsname()->sysname, 32);
time64_to_tm(end, 0, &tm);
record->end_year = cpu_to_le16(tm.tm_year + 1900);
record->end_month = cpu_to_le16(tm.tm_mon + 1);
record->end_day = cpu_to_le16(tm.tm_mday);
record->end_hour = cpu_to_le16(tm.tm_hour);
record->end_minute = cpu_to_le16(tm.tm_min);
record->end_second = cpu_to_le16(tm.tm_sec);
record->end_utc_bias = cpu_to_le16(sys_tz.tz_minuteswest * 60);
record->asic_id1 = cpu_to_le32(bp->chip_num << 16 |
bp->ver_resp.chip_rev << 8 |
bp->ver_resp.chip_metal);
record->asic_id2 = 0;
record->coredump_status = cpu_to_le32(status);
record->ioctl_low_version = 0;
record->ioctl_high_version = 0;
}
static int bnxt_get_coredump(struct bnxt *bp, void *buf, u32 *dump_len)
{
u32 ver_get_resp_len = sizeof(struct hwrm_ver_get_output);
u32 offset = 0, seg_hdr_len, seg_record_len, buf_len = 0;
struct coredump_segment_record *seg_record = NULL;
struct bnxt_coredump_segment_hdr seg_hdr;
struct bnxt_coredump coredump = {NULL};
time64_t start_time;
u16 start_utc;
int rc = 0, i;
if (buf)
buf_len = *dump_len;
start_time = ktime_get_real_seconds();
start_utc = sys_tz.tz_minuteswest * 60;
seg_hdr_len = sizeof(seg_hdr);
/* First segment should be hwrm_ver_get response */
*dump_len = seg_hdr_len + ver_get_resp_len;
if (buf) {
bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, NULL, ver_get_resp_len,
0, 0, 0);
memcpy(buf + offset, &seg_hdr, seg_hdr_len);
offset += seg_hdr_len;
memcpy(buf + offset, &bp->ver_resp, ver_get_resp_len);
offset += ver_get_resp_len;
}
rc = bnxt_hwrm_dbg_coredump_list(bp, &coredump);
if (rc) {
netdev_err(bp->dev, "Failed to get coredump segment list\n");
goto err;
}
*dump_len += seg_hdr_len * coredump.total_segs;
seg_record = (struct coredump_segment_record *)coredump.data;
seg_record_len = sizeof(*seg_record);
for (i = 0; i < coredump.total_segs; i++) {
u16 comp_id = le16_to_cpu(seg_record->component_id);
u16 seg_id = le16_to_cpu(seg_record->segment_id);
u32 duration = 0, seg_len = 0;
unsigned long start, end;
if (buf && ((offset + seg_hdr_len) >
BNXT_COREDUMP_BUF_LEN(buf_len))) {
rc = -ENOBUFS;
goto err;
}
start = jiffies;
rc = bnxt_hwrm_dbg_coredump_initiate(bp, comp_id, seg_id);
if (rc) {
netdev_err(bp->dev,
"Failed to initiate coredump for seg = %d\n",
seg_record->segment_id);
goto next_seg;
}
/* Write segment data into the buffer */
rc = bnxt_hwrm_dbg_coredump_retrieve(bp, comp_id, seg_id,
&seg_len, buf, buf_len,
offset + seg_hdr_len);
if (rc && rc == -ENOBUFS)
goto err;
else if (rc)
netdev_err(bp->dev,
"Failed to retrieve coredump for seg = %d\n",
seg_record->segment_id);
next_seg:
end = jiffies;
duration = jiffies_to_msecs(end - start);
bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, seg_record, seg_len,
rc, duration, 0);
if (buf) {
/* Write segment header into the buffer */
memcpy(buf + offset, &seg_hdr, seg_hdr_len);
offset += seg_hdr_len + seg_len;
}
*dump_len += seg_len;
seg_record =
(struct coredump_segment_record *)((u8 *)seg_record +
seg_record_len);
}
err:
if (buf)
bnxt_fill_coredump_record(bp, buf + offset, start_time,
start_utc, coredump.total_segs + 1,
rc);
kfree(coredump.data);
*dump_len += sizeof(struct bnxt_coredump_record);
if (rc == -ENOBUFS)
netdev_err(bp->dev, "Firmware returned large coredump buffer");
return rc;
}
static int bnxt_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
{
struct bnxt *bp = netdev_priv(dev);
if (bp->hwrm_spec_code < 0x10801)
return -EOPNOTSUPP;
dump->version = bp->ver_resp.hwrm_fw_maj_8b << 24 |
bp->ver_resp.hwrm_fw_min_8b << 16 |
bp->ver_resp.hwrm_fw_bld_8b << 8 |
bp->ver_resp.hwrm_fw_rsvd_8b;
return bnxt_get_coredump(bp, NULL, &dump->len);
}
static int bnxt_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
void *buf)
{
struct bnxt *bp = netdev_priv(dev);
if (bp->hwrm_spec_code < 0x10801)
return -EOPNOTSUPP;
memset(buf, 0, dump->len);
return bnxt_get_coredump(bp, buf, &dump->len);
}
void bnxt_ethtool_init(struct bnxt *bp)
{
struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
struct hwrm_selftest_qlist_input req = {0};
struct bnxt_test_info *test_info;
struct net_device *dev = bp->dev;
int i, rc;
bnxt_get_pkgver(dev);
if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
return;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
mutex_lock(&bp->hwrm_cmd_lock);
rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc)
goto ethtool_init_exit;
test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
if (!test_info)
goto ethtool_init_exit;
bp->test_info = test_info;
bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
if (bp->num_tests > BNXT_MAX_TEST)
bp->num_tests = BNXT_MAX_TEST;
test_info->offline_mask = resp->offline_tests;
test_info->timeout = le16_to_cpu(resp->test_timeout);
if (!test_info->timeout)
test_info->timeout = HWRM_CMD_TIMEOUT;
for (i = 0; i < bp->num_tests; i++) {
char *str = test_info->string[i];
char *fw_str = resp->test0_name + i * 32;
if (i == BNXT_MACLPBK_TEST_IDX) {
strcpy(str, "Mac loopback test (offline)");
} else if (i == BNXT_PHYLPBK_TEST_IDX) {
strcpy(str, "Phy loopback test (offline)");
} else if (i == BNXT_EXTLPBK_TEST_IDX) {
strcpy(str, "Ext loopback test (offline)");
} else if (i == BNXT_IRQ_TEST_IDX) {
strcpy(str, "Interrupt_test (offline)");
} else {
strlcpy(str, fw_str, ETH_GSTRING_LEN);
strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
if (test_info->offline_mask & (1 << i))
strncat(str, " (offline)",
ETH_GSTRING_LEN - strlen(str));
else
strncat(str, " (online)",
ETH_GSTRING_LEN - strlen(str));
}
}
ethtool_init_exit:
mutex_unlock(&bp->hwrm_cmd_lock);
}
void bnxt_ethtool_free(struct bnxt *bp)
{
kfree(bp->test_info);
bp->test_info = NULL;
}
const struct ethtool_ops bnxt_ethtool_ops = {
.get_link_ksettings = bnxt_get_link_ksettings,
.set_link_ksettings = bnxt_set_link_ksettings,
.get_pauseparam = bnxt_get_pauseparam,
.set_pauseparam = bnxt_set_pauseparam,
.get_drvinfo = bnxt_get_drvinfo,
.get_wol = bnxt_get_wol,
.set_wol = bnxt_set_wol,
.get_coalesce = bnxt_get_coalesce,
.set_coalesce = bnxt_set_coalesce,
.get_msglevel = bnxt_get_msglevel,
.set_msglevel = bnxt_set_msglevel,
.get_sset_count = bnxt_get_sset_count,
.get_strings = bnxt_get_strings,
.get_ethtool_stats = bnxt_get_ethtool_stats,
.set_ringparam = bnxt_set_ringparam,
.get_ringparam = bnxt_get_ringparam,
.get_channels = bnxt_get_channels,
.set_channels = bnxt_set_channels,
.get_rxnfc = bnxt_get_rxnfc,
.set_rxnfc = bnxt_set_rxnfc,
.get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
.get_rxfh_key_size = bnxt_get_rxfh_key_size,
.get_rxfh = bnxt_get_rxfh,
.flash_device = bnxt_flash_device,
.get_eeprom_len = bnxt_get_eeprom_len,
.get_eeprom = bnxt_get_eeprom,
.set_eeprom = bnxt_set_eeprom,
.get_link = bnxt_get_link,
.get_eee = bnxt_get_eee,
.set_eee = bnxt_set_eee,
.get_module_info = bnxt_get_module_info,
.get_module_eeprom = bnxt_get_module_eeprom,
.nway_reset = bnxt_nway_reset,
.set_phys_id = bnxt_set_phys_id,
.self_test = bnxt_self_test,
.reset = bnxt_reset,
.get_dump_flag = bnxt_get_dump_flag,
.get_dump_data = bnxt_get_dump_data,
};
Reference in a new issue Copy permalink