diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 4073 |
1 files changed, 4073 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c new file mode 100644 index 000000000..7260b4671 --- /dev/null +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -0,0 +1,4073 @@ +/* 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 <net/netlink.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" + +#define BNXT_NVM_ERR_MSG(dev, extack, msg) \ + do { \ + if (extack) \ + NL_SET_ERR_MSG_MOD(extack, msg); \ + netdev_err(dev, "%s\n", msg); \ + } while (0) + +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 (test_bit(BNXT_STATE_OPEN, &bp->state)) { + if (update_stats) { + bnxt_close_nic(bp, true, false); + 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 + */ + } + bnxt_close_nic(bp, true, false); + } + + 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; + 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; + fallthrough; + 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; + fallthrough; + 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; +} + +u32 bnxt_get_rxfh_indir_size(struct net_device *dev) +{ + struct bnxt *bp = netdev_priv(dev); + + if (bp->flags & BNXT_FLAG_CHIP_P5) + return ALIGN(bp->rx_nr_rings, BNXT_RSS_TABLE_ENTRIES_P5); + 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; + u32 i, tbl_size; + + if (hfunc) + *hfunc = ETH_RSS_HASH_TOP; + + if (!bp->vnic_info) + return 0; + + vnic = &bp->vnic_info[0]; + if (indir && bp->rss_indir_tbl) { + tbl_size = bnxt_get_rxfh_indir_size(dev); + for (i = 0; i < tbl_size; i++) + indir[i] = bp->rss_indir_tbl[i]; + } + + if (key && vnic->rss_hash_key) + memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); + + return 0; +} + +static int bnxt_set_rxfh(struct net_device *dev, const u32 *indir, + const u8 *key, const u8 hfunc) +{ + struct bnxt *bp = netdev_priv(dev); + int rc = 0; + + if (hfunc && hfunc != ETH_RSS_HASH_TOP) + return -EOPNOTSUPP; + + if (key) + return -EOPNOTSUPP; + + if (indir) { + u32 i, pad, tbl_size = bnxt_get_rxfh_indir_size(dev); + + for (i = 0; i < tbl_size; i++) + bp->rss_indir_tbl[i] = indir[i]; + pad = bp->rss_indir_tbl_entries - tbl_size; + if (pad) + memset(&bp->rss_indir_tbl[i], 0, pad * sizeof(u16)); + } + + if (netif_running(bp->dev)) { + bnxt_close_nic(bp, false, false); + rc = bnxt_open_nic(bp, false, false); + } + return rc; +} + +static void bnxt_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + struct bnxt *bp = netdev_priv(dev); + + strscpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); + strscpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version)); + strscpy(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 int bnxt_get_regs_len(struct net_device *dev) +{ + struct bnxt *bp = netdev_priv(dev); + int reg_len; + + if (!BNXT_PF(bp)) + return -EOPNOTSUPP; + + reg_len = BNXT_PXP_REG_LEN; + + if (bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED) + reg_len += sizeof(struct pcie_ctx_hw_stats); + + return reg_len; +} + +static void bnxt_get_regs(struct net_device *dev, struct ethtool_regs *regs, + void *_p) +{ + struct pcie_ctx_hw_stats *hw_pcie_stats; + struct hwrm_pcie_qstats_input *req; + struct bnxt *bp = netdev_priv(dev); + dma_addr_t hw_pcie_stats_addr; + int rc; + + regs->version = 0; + bnxt_dbg_hwrm_rd_reg(bp, 0, BNXT_PXP_REG_LEN / 4, _p); + + if (!(bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED)) + return; + + if (hwrm_req_init(bp, req, HWRM_PCIE_QSTATS)) + return; + + hw_pcie_stats = hwrm_req_dma_slice(bp, req, sizeof(*hw_pcie_stats), + &hw_pcie_stats_addr); + if (!hw_pcie_stats) { + hwrm_req_drop(bp, req); + return; + } + + regs->version = 1; + hwrm_req_hold(bp, req); /* hold on to slice */ + req->pcie_stat_size = cpu_to_le16(sizeof(*hw_pcie_stats)); + req->pcie_stat_host_addr = cpu_to_le64(hw_pcie_stats_addr); + rc = hwrm_req_send(bp, req); + if (!rc) { + __le64 *src = (__le64 *)hw_pcie_stats; + u64 *dst = (u64 *)(_p + BNXT_PXP_REG_LEN); + int i; + + for (i = 0; i < sizeof(*hw_pcie_stats) / sizeof(__le64); i++) + dst[i] = le64_to_cpu(src[i]); + } + hwrm_req_drop(bp, req); +} + +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; \ +} + +#define BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, name) \ +{ \ + if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_50GB) \ + ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ + 50000baseCR_Full); \ + if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_100GB) \ + ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ + 100000baseCR2_Full);\ + if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_200GB) \ + ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ + 200000baseCR4_Full);\ +} + +#define BNXT_ETHTOOL_TO_FW_PAM4_SPDS(fw_speeds, lk_ksettings, name) \ +{ \ + if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ + 50000baseCR_Full)) \ + (fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_50GB; \ + if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ + 100000baseCR2_Full)) \ + (fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_100GB; \ + if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ + 200000baseCR4_Full)) \ + (fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_200GB; \ +} + +static void bnxt_fw_to_ethtool_advertised_fec(struct bnxt_link_info *link_info, + struct ethtool_link_ksettings *lk_ksettings) +{ + u16 fec_cfg = link_info->fec_cfg; + + if ((fec_cfg & BNXT_FEC_NONE) || !(fec_cfg & BNXT_FEC_AUTONEG)) { + linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT, + lk_ksettings->link_modes.advertising); + return; + } + if (fec_cfg & BNXT_FEC_ENC_BASE_R) + linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT, + lk_ksettings->link_modes.advertising); + if (fec_cfg & BNXT_FEC_ENC_RS) + linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT, + lk_ksettings->link_modes.advertising); + if (fec_cfg & BNXT_FEC_ENC_LLRS) + linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT, + lk_ksettings->link_modes.advertising); +} + +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); + fw_speeds = link_info->advertising_pam4; + BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, advertising); + bnxt_fw_to_ethtool_advertised_fec(link_info, lk_ksettings); +} + +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); + fw_speeds = link_info->lp_auto_pam4_link_speeds; + BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, lp_advertising); +} + +static void bnxt_fw_to_ethtool_support_fec(struct bnxt_link_info *link_info, + struct ethtool_link_ksettings *lk_ksettings) +{ + u16 fec_cfg = link_info->fec_cfg; + + if (fec_cfg & BNXT_FEC_NONE) { + linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT, + lk_ksettings->link_modes.supported); + return; + } + if (fec_cfg & BNXT_FEC_ENC_BASE_R_CAP) + linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT, + lk_ksettings->link_modes.supported); + if (fec_cfg & BNXT_FEC_ENC_RS_CAP) + linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT, + lk_ksettings->link_modes.supported); + if (fec_cfg & BNXT_FEC_ENC_LLRS_CAP) + linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT, + lk_ksettings->link_modes.supported); +} + +static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info, + struct ethtool_link_ksettings *lk_ksettings) +{ + struct bnxt *bp = container_of(link_info, struct bnxt, link_info); + u16 fw_speeds = link_info->support_speeds; + + BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported); + fw_speeds = link_info->support_pam4_speeds; + BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, supported); + + if (!(bp->phy_flags & BNXT_PHY_FL_NO_PAUSE)) { + 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 || + link_info->support_pam4_auto_speeds) + ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, + Autoneg); + bnxt_fw_to_ethtool_support_fec(link_info, lk_ksettings); +} + +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; + case BNXT_LINK_SPEED_200GB: + return SPEED_200000; + 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; + base->duplex = DUPLEX_UNKNOWN; + if (link_info->phy_link_status == BNXT_LINK_LINK) { + bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings); + if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) + base->duplex = DUPLEX_FULL; + else + base->duplex = DUPLEX_HALF; + } + ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); + } 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 int bnxt_force_link_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_pam4_spds = link_info->support_pam4_speeds; + u16 support_spds = link_info->support_speeds; + u8 sig_mode = BNXT_SIG_MODE_NRZ; + u16 fw_speed = 0; + + switch (ethtool_speed) { + case SPEED_100: + if (support_spds & BNXT_LINK_SPEED_MSK_100MB) + fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100MB; + break; + case SPEED_1000: + if (support_spds & BNXT_LINK_SPEED_MSK_1GB) + fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB; + break; + case SPEED_2500: + if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB) + fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_2_5GB; + break; + case SPEED_10000: + if (support_spds & BNXT_LINK_SPEED_MSK_10GB) + fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB; + break; + case SPEED_20000: + if (support_spds & BNXT_LINK_SPEED_MSK_20GB) + fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_20GB; + break; + case SPEED_25000: + if (support_spds & BNXT_LINK_SPEED_MSK_25GB) + fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB; + break; + case SPEED_40000: + if (support_spds & BNXT_LINK_SPEED_MSK_40GB) + fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB; + break; + case SPEED_50000: + if (support_spds & BNXT_LINK_SPEED_MSK_50GB) { + fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB; + } else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_50GB) { + fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_50GB; + sig_mode = BNXT_SIG_MODE_PAM4; + } + break; + case SPEED_100000: + if (support_spds & BNXT_LINK_SPEED_MSK_100GB) { + fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100GB; + } else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_100GB) { + fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_100GB; + sig_mode = BNXT_SIG_MODE_PAM4; + } + break; + case SPEED_200000: + if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_200GB) { + fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_200GB; + sig_mode = BNXT_SIG_MODE_PAM4; + } + break; + } + + if (!fw_speed) { + netdev_err(dev, "unsupported speed!\n"); + return -EINVAL; + } + + if (link_info->req_link_speed == fw_speed && + link_info->req_signal_mode == sig_mode && + link_info->autoneg == 0) + return -EALREADY; + + link_info->req_link_speed = fw_speed; + link_info->req_signal_mode = sig_mode; + link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; + link_info->autoneg = 0; + link_info->advertising = 0; + link_info->advertising_pam4 = 0; + + return 0; +} + +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; + u32 speed; + int rc = 0; + + if (!BNXT_PHY_CFG_ABLE(bp)) + return -EOPNOTSUPP; + + mutex_lock(&bp->link_lock); + if (base->autoneg == AUTONEG_ENABLE) { + link_info->advertising = 0; + link_info->advertising_pam4 = 0; + BNXT_ETHTOOL_TO_FW_SPDS(link_info->advertising, lk_ksettings, + advertising); + BNXT_ETHTOOL_TO_FW_PAM4_SPDS(link_info->advertising_pam4, + lk_ksettings, advertising); + link_info->autoneg |= BNXT_AUTONEG_SPEED; + if (!link_info->advertising && !link_info->advertising_pam4) { + link_info->advertising = link_info->support_auto_speeds; + link_info->advertising_pam4 = + link_info->support_pam4_auto_speeds; + } + /* any change to autoneg will cause link change, therefore the + * driver should put back the original pause setting in autoneg + */ + if (!(bp->phy_flags & BNXT_PHY_FL_NO_PAUSE)) + set_pause = true; + } else { + 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; + rc = bnxt_force_link_speed(dev, speed); + if (rc) { + if (rc == -EALREADY) + rc = 0; + goto set_setting_exit; + } + } + + 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 int bnxt_get_fecparam(struct net_device *dev, + struct ethtool_fecparam *fec) +{ + struct bnxt *bp = netdev_priv(dev); + struct bnxt_link_info *link_info; + u8 active_fec; + u16 fec_cfg; + + link_info = &bp->link_info; + fec_cfg = link_info->fec_cfg; + active_fec = link_info->active_fec_sig_mode & + PORT_PHY_QCFG_RESP_ACTIVE_FEC_MASK; + if (fec_cfg & BNXT_FEC_NONE) { + fec->fec = ETHTOOL_FEC_NONE; + fec->active_fec = ETHTOOL_FEC_NONE; + return 0; + } + if (fec_cfg & BNXT_FEC_AUTONEG) + fec->fec |= ETHTOOL_FEC_AUTO; + if (fec_cfg & BNXT_FEC_ENC_BASE_R) + fec->fec |= ETHTOOL_FEC_BASER; + if (fec_cfg & BNXT_FEC_ENC_RS) + fec->fec |= ETHTOOL_FEC_RS; + if (fec_cfg & BNXT_FEC_ENC_LLRS) + fec->fec |= ETHTOOL_FEC_LLRS; + + switch (active_fec) { + case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE74_ACTIVE: + fec->active_fec |= ETHTOOL_FEC_BASER; + break; + case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE91_ACTIVE: + case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_1XN_ACTIVE: + case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_IEEE_ACTIVE: + fec->active_fec |= ETHTOOL_FEC_RS; + break; + case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_1XN_ACTIVE: + case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_IEEE_ACTIVE: + fec->active_fec |= ETHTOOL_FEC_LLRS; + break; + case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_NONE_ACTIVE: + fec->active_fec |= ETHTOOL_FEC_OFF; + break; + } + return 0; +} + +static void bnxt_get_fec_stats(struct net_device *dev, + struct ethtool_fec_stats *fec_stats) +{ + struct bnxt *bp = netdev_priv(dev); + u64 *rx; + + if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS_EXT)) + return; + + rx = bp->rx_port_stats_ext.sw_stats; + fec_stats->corrected_bits.total = + *(rx + BNXT_RX_STATS_EXT_OFFSET(rx_corrected_bits)); +} + +static u32 bnxt_ethtool_forced_fec_to_fw(struct bnxt_link_info *link_info, + u32 fec) +{ + u32 fw_fec = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_DISABLE; + + if (fec & ETHTOOL_FEC_BASER) + fw_fec |= BNXT_FEC_BASE_R_ON(link_info); + else if (fec & ETHTOOL_FEC_RS) + fw_fec |= BNXT_FEC_RS_ON(link_info); + else if (fec & ETHTOOL_FEC_LLRS) + fw_fec |= BNXT_FEC_LLRS_ON; + return fw_fec; +} + +static int bnxt_set_fecparam(struct net_device *dev, + struct ethtool_fecparam *fecparam) +{ + struct hwrm_port_phy_cfg_input *req; + struct bnxt *bp = netdev_priv(dev); + struct bnxt_link_info *link_info; + u32 new_cfg, fec = fecparam->fec; + u16 fec_cfg; + int rc; + + link_info = &bp->link_info; + fec_cfg = link_info->fec_cfg; + if (fec_cfg & BNXT_FEC_NONE) + return -EOPNOTSUPP; + + if (fec & ETHTOOL_FEC_OFF) { + new_cfg = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_DISABLE | + BNXT_FEC_ALL_OFF(link_info); + goto apply_fec; + } + if (((fec & ETHTOOL_FEC_AUTO) && !(fec_cfg & BNXT_FEC_AUTONEG_CAP)) || + ((fec & ETHTOOL_FEC_RS) && !(fec_cfg & BNXT_FEC_ENC_RS_CAP)) || + ((fec & ETHTOOL_FEC_LLRS) && !(fec_cfg & BNXT_FEC_ENC_LLRS_CAP)) || + ((fec & ETHTOOL_FEC_BASER) && !(fec_cfg & BNXT_FEC_ENC_BASE_R_CAP))) + return -EINVAL; + + if (fec & ETHTOOL_FEC_AUTO) { + if (!link_info->autoneg) + return -EINVAL; + new_cfg = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_ENABLE; + } else { + new_cfg = bnxt_ethtool_forced_fec_to_fw(link_info, fec); + } + +apply_fec: + rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_CFG); + if (rc) + return rc; + req->flags = cpu_to_le32(new_cfg | PORT_PHY_CFG_REQ_FLAGS_RESET_PHY); + rc = hwrm_req_send(bp, req); + /* update current settings */ + if (!rc) { + mutex_lock(&bp->link_lock); + bnxt_update_link(bp, false); + 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 void bnxt_get_pause_stats(struct net_device *dev, + struct ethtool_pause_stats *epstat) +{ + struct bnxt *bp = netdev_priv(dev); + u64 *rx, *tx; + + if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS)) + return; + + rx = bp->port_stats.sw_stats; + tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8; + + epstat->rx_pause_frames = BNXT_GET_RX_PORT_STATS64(rx, rx_pause_frames); + epstat->tx_pause_frames = BNXT_GET_TX_PORT_STATS64(tx, tx_pause_frames); +} + +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_PHY_CFG_ABLE(bp) || (bp->phy_flags & BNXT_PHY_FL_NO_PAUSE)) + 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; + link_info->req_flow_ctrl = 0; + } 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 BNXT_LINK_IS_UP(bp); +} + +int bnxt_hwrm_nvm_get_dev_info(struct bnxt *bp, + struct hwrm_nvm_get_dev_info_output *nvm_dev_info) +{ + struct hwrm_nvm_get_dev_info_output *resp; + struct hwrm_nvm_get_dev_info_input *req; + int rc; + + if (BNXT_VF(bp)) + return -EOPNOTSUPP; + + rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DEV_INFO); + if (rc) + return rc; + + resp = hwrm_req_hold(bp, req); + rc = hwrm_req_send(bp, req); + if (!rc) + memcpy(nvm_dev_info, resp, sizeof(*resp)); + hwrm_req_drop(bp, req); + return rc; +} + +static void bnxt_print_admin_err(struct bnxt *bp) +{ + netdev_info(bp->dev, "PF does not have admin privileges to flash or reset the device\n"); +} + +int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, + u16 ext, u16 *index, u32 *item_length, + u32 *data_length); + +int bnxt_flash_nvram(struct net_device *dev, u16 dir_type, + u16 dir_ordinal, u16 dir_ext, u16 dir_attr, + u32 dir_item_len, const u8 *data, + size_t data_len) +{ + struct bnxt *bp = netdev_priv(dev); + struct hwrm_nvm_write_input *req; + int rc; + + rc = hwrm_req_init(bp, req, HWRM_NVM_WRITE); + if (rc) + return rc; + + if (data_len && data) { + dma_addr_t dma_handle; + u8 *kmem; + + kmem = hwrm_req_dma_slice(bp, req, data_len, &dma_handle); + if (!kmem) { + hwrm_req_drop(bp, req); + return -ENOMEM; + } + + req->dir_data_length = cpu_to_le32(data_len); + + memcpy(kmem, data, data_len); + req->host_src_addr = cpu_to_le64(dma_handle); + } + + hwrm_req_timeout(bp, req, bp->hwrm_cmd_max_timeout); + 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_item_length = cpu_to_le32(dir_item_len); + rc = hwrm_req_send(bp, req); + + if (rc == -EACCES) + bnxt_print_admin_err(bp); + return rc; +} + +int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type, + u8 self_reset, u8 flags) +{ + struct bnxt *bp = netdev_priv(dev); + struct hwrm_fw_reset_input *req; + int rc; + + if (!bnxt_hwrm_reset_permitted(bp)) { + netdev_warn(bp->dev, "Reset denied by firmware, it may be inhibited by remote driver"); + return -EPERM; + } + + rc = hwrm_req_init(bp, req, HWRM_FW_RESET); + if (rc) + return rc; + + req->embedded_proc_type = proc_type; + req->selfrst_status = self_reset; + req->flags = flags; + + if (proc_type == FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP) { + rc = hwrm_req_send_silent(bp, req); + } else { + rc = hwrm_req_send(bp, req); + if (rc == -EACCES) + bnxt_print_admin_err(bp); + } + return rc; +} + +static int bnxt_firmware_reset(struct net_device *dev, + enum bnxt_nvm_directory_type dir_type) +{ + u8 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE; + u8 proc_type, flags = 0; + + /* 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: + proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT; + /* Self-reset ChiMP upon next PCIe reset: */ + self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; + break; + case BNX_DIR_TYPE_APE_FW: + case BNX_DIR_TYPE_APE_PATCH: + proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT; + /* Self-reset APE upon next PCIe reset: */ + self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; + break; + case BNX_DIR_TYPE_KONG_FW: + case BNX_DIR_TYPE_KONG_PATCH: + proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL; + break; + case BNX_DIR_TYPE_BONO_FW: + case BNX_DIR_TYPE_BONO_PATCH: + proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; + break; + default: + return -EINVAL; + } + + return bnxt_hwrm_firmware_reset(dev, proc_type, self_reset, flags); +} + +static int bnxt_firmware_reset_chip(struct net_device *dev) +{ + struct bnxt *bp = netdev_priv(dev); + u8 flags = 0; + + if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET) + flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL; + + return bnxt_hwrm_firmware_reset(dev, + FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP, + FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP, + flags); +} + +static int bnxt_firmware_reset_ap(struct net_device *dev) +{ + return bnxt_hwrm_firmware_reset(dev, FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP, + FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE, + 0); +} + +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, 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, 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)) + rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); + else if (bnxt_dir_type_is_other_exec_format(dir_type)) + 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, 0, fw->data, fw->size); + release_firmware(fw); + return rc; +} + +#define MSG_INTEGRITY_ERR "PKG install error : Data integrity on NVM" +#define MSG_INVALID_PKG "PKG install error : Invalid package" +#define MSG_AUTHENTICATION_ERR "PKG install error : Authentication error" +#define MSG_INVALID_DEV "PKG install error : Invalid device" +#define MSG_INTERNAL_ERR "PKG install error : Internal error" +#define MSG_NO_PKG_UPDATE_AREA_ERR "PKG update area not created in nvram" +#define MSG_NO_SPACE_ERR "PKG insufficient update area in nvram" +#define MSG_ANTI_ROLLBACK_ERR "HWRM_NVM_INSTALL_UPDATE failure due to Anti-rollback detected" +#define MSG_GENERIC_FAILURE_ERR "HWRM_NVM_INSTALL_UPDATE failure" + +static int nvm_update_err_to_stderr(struct net_device *dev, u8 result, + struct netlink_ext_ack *extack) +{ + switch (result) { + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_TYPE_PARAMETER: + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_INDEX_PARAMETER: + case NVM_INSTALL_UPDATE_RESP_RESULT_INSTALL_DATA_ERROR: + case NVM_INSTALL_UPDATE_RESP_RESULT_INSTALL_CHECKSUM_ERROR: + case NVM_INSTALL_UPDATE_RESP_RESULT_ITEM_NOT_FOUND: + case NVM_INSTALL_UPDATE_RESP_RESULT_ITEM_LOCKED: + BNXT_NVM_ERR_MSG(dev, extack, MSG_INTEGRITY_ERR); + return -EINVAL; + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_PREREQUISITE: + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_FILE_HEADER: + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_SIGNATURE: + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_PROP_STREAM: + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_PROP_LENGTH: + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_MANIFEST: + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_TRAILER: + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_CHECKSUM: + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_ITEM_CHECKSUM: + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_DATA_LENGTH: + case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_DIRECTIVE: + case NVM_INSTALL_UPDATE_RESP_RESULT_DUPLICATE_ITEM: + case NVM_INSTALL_UPDATE_RESP_RESULT_ZERO_LENGTH_ITEM: + BNXT_NVM_ERR_MSG(dev, extack, MSG_INVALID_PKG); + return -ENOPKG; + case NVM_INSTALL_UPDATE_RESP_RESULT_INSTALL_AUTHENTICATION_ERROR: + BNXT_NVM_ERR_MSG(dev, extack, MSG_AUTHENTICATION_ERR); + return -EPERM; + case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_CHIP_REV: + case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_DEVICE_ID: + case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_SUBSYS_VENDOR: + case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_SUBSYS_ID: + case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_PLATFORM: + BNXT_NVM_ERR_MSG(dev, extack, MSG_INVALID_DEV); + return -EOPNOTSUPP; + default: + BNXT_NVM_ERR_MSG(dev, extack, MSG_INTERNAL_ERR); + return -EIO; + } +} + +#define BNXT_PKG_DMA_SIZE 0x40000 +#define BNXT_NVM_MORE_FLAG (cpu_to_le16(NVM_MODIFY_REQ_FLAGS_BATCH_MODE)) +#define BNXT_NVM_LAST_FLAG (cpu_to_le16(NVM_MODIFY_REQ_FLAGS_BATCH_LAST)) + +int bnxt_flash_package_from_fw_obj(struct net_device *dev, const struct firmware *fw, + u32 install_type, struct netlink_ext_ack *extack) +{ + struct hwrm_nvm_install_update_input *install; + struct hwrm_nvm_install_update_output *resp; + struct hwrm_nvm_modify_input *modify; + struct bnxt *bp = netdev_priv(dev); + bool defrag_attempted = false; + dma_addr_t dma_handle; + u8 *kmem = NULL; + u32 modify_len; + u32 item_len; + u8 cmd_err; + u16 index; + int rc; + + bnxt_hwrm_fw_set_time(bp); + + rc = hwrm_req_init(bp, modify, HWRM_NVM_MODIFY); + if (rc) + return rc; + + /* Try allocating a large DMA buffer first. Older fw will + * cause excessive NVRAM erases when using small blocks. + */ + modify_len = roundup_pow_of_two(fw->size); + modify_len = min_t(u32, modify_len, BNXT_PKG_DMA_SIZE); + while (1) { + kmem = hwrm_req_dma_slice(bp, modify, modify_len, &dma_handle); + if (!kmem && modify_len > PAGE_SIZE) + modify_len /= 2; + else + break; + } + if (!kmem) { + hwrm_req_drop(bp, modify); + return -ENOMEM; + } + + rc = hwrm_req_init(bp, install, HWRM_NVM_INSTALL_UPDATE); + if (rc) { + hwrm_req_drop(bp, modify); + return rc; + } + + hwrm_req_timeout(bp, modify, bp->hwrm_cmd_max_timeout); + hwrm_req_timeout(bp, install, bp->hwrm_cmd_max_timeout); + + hwrm_req_hold(bp, modify); + modify->host_src_addr = cpu_to_le64(dma_handle); + + resp = hwrm_req_hold(bp, install); + if ((install_type & 0xffff) == 0) + install_type >>= 16; + install->install_type = cpu_to_le32(install_type); + + do { + u32 copied = 0, len = modify_len; + + rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE, + BNX_DIR_ORDINAL_FIRST, + BNX_DIR_EXT_NONE, + &index, &item_len, NULL); + if (rc) { + BNXT_NVM_ERR_MSG(dev, extack, MSG_NO_PKG_UPDATE_AREA_ERR); + break; + } + if (fw->size > item_len) { + BNXT_NVM_ERR_MSG(dev, extack, MSG_NO_SPACE_ERR); + rc = -EFBIG; + break; + } + + modify->dir_idx = cpu_to_le16(index); + + if (fw->size > modify_len) + modify->flags = BNXT_NVM_MORE_FLAG; + while (copied < fw->size) { + u32 balance = fw->size - copied; + + if (balance <= modify_len) { + len = balance; + if (copied) + modify->flags |= BNXT_NVM_LAST_FLAG; + } + memcpy(kmem, fw->data + copied, len); + modify->len = cpu_to_le32(len); + modify->offset = cpu_to_le32(copied); + rc = hwrm_req_send(bp, modify); + if (rc) + goto pkg_abort; + copied += len; + } + + rc = hwrm_req_send_silent(bp, install); + if (!rc) + break; + + if (defrag_attempted) { + /* We have tried to defragment already in the previous + * iteration. Return with the result for INSTALL_UPDATE + */ + break; + } + + cmd_err = ((struct hwrm_err_output *)resp)->cmd_err; + + switch (cmd_err) { + case NVM_INSTALL_UPDATE_CMD_ERR_CODE_ANTI_ROLLBACK: + BNXT_NVM_ERR_MSG(dev, extack, MSG_ANTI_ROLLBACK_ERR); + rc = -EALREADY; + break; + case NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR: + install->flags = + cpu_to_le16(NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG); + + rc = hwrm_req_send_silent(bp, install); + if (!rc) + break; + + cmd_err = ((struct hwrm_err_output *)resp)->cmd_err; + + if (cmd_err == NVM_INSTALL_UPDATE_CMD_ERR_CODE_NO_SPACE) { + /* FW has cleared NVM area, driver will create + * UPDATE directory and try the flash again + */ + defrag_attempted = true; + install->flags = 0; + rc = bnxt_flash_nvram(bp->dev, + BNX_DIR_TYPE_UPDATE, + BNX_DIR_ORDINAL_FIRST, + 0, 0, item_len, NULL, 0); + if (!rc) + break; + } + fallthrough; + default: + BNXT_NVM_ERR_MSG(dev, extack, MSG_GENERIC_FAILURE_ERR); + } + } while (defrag_attempted && !rc); + +pkg_abort: + hwrm_req_drop(bp, modify); + hwrm_req_drop(bp, install); + + if (resp->result) { + netdev_err(dev, "PKG install error = %d, problem_item = %d\n", + (s8)resp->result, (int)resp->problem_item); + rc = nvm_update_err_to_stderr(dev, resp->result, extack); + } + if (rc == -EACCES) + bnxt_print_admin_err(bp); + return rc; +} + +static int bnxt_flash_package_from_file(struct net_device *dev, const char *filename, + u32 install_type, struct netlink_ext_ack *extack) +{ + const struct firmware *fw; + int rc; + + rc = request_firmware(&fw, filename, &dev->dev); + if (rc != 0) { + netdev_err(dev, "PKG error %d requesting file: %s\n", + rc, filename); + return rc; + } + + rc = bnxt_flash_package_from_fw_obj(dev, fw, install_type, extack); + + release_firmware(fw); + + 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, NULL); + + 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 hwrm_nvm_get_dir_info_output *output; + struct hwrm_nvm_get_dir_info_input *req; + struct bnxt *bp = netdev_priv(dev); + int rc; + + rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DIR_INFO); + if (rc) + return rc; + + output = hwrm_req_hold(bp, req); + rc = hwrm_req_send(bp, req); + if (!rc) { + *entries = le32_to_cpu(output->entries); + *length = le32_to_cpu(output->entry_length); + } + hwrm_req_drop(bp, req); + 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; + + 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); + + rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DIR_ENTRIES); + if (rc) + return rc; + + buflen = mul_u32_u32(dir_entries, entry_length); + buf = hwrm_req_dma_slice(bp, req, buflen, &dma_handle); + if (!buf) { + hwrm_req_drop(bp, req); + return -ENOMEM; + } + req->host_dest_addr = cpu_to_le64(dma_handle); + + hwrm_req_hold(bp, req); /* hold the slice */ + rc = hwrm_req_send(bp, req); + if (rc == 0) + memcpy(data, buf, len > buflen ? buflen : len); + hwrm_req_drop(bp, req); + return rc; +} + +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; + + if (!length) + return -EINVAL; + + rc = hwrm_req_init(bp, req, HWRM_NVM_READ); + if (rc) + return rc; + + buf = hwrm_req_dma_slice(bp, req, length, &dma_handle); + if (!buf) { + hwrm_req_drop(bp, req); + return -ENOMEM; + } + + 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); + + hwrm_req_hold(bp, req); /* hold the slice */ + rc = hwrm_req_send(bp, req); + if (rc == 0) + memcpy(data, buf, length); + hwrm_req_drop(bp, req); + return rc; +} + +int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, + u16 ext, u16 *index, u32 *item_length, + u32 *data_length) +{ + struct hwrm_nvm_find_dir_entry_output *output; + struct hwrm_nvm_find_dir_entry_input *req; + struct bnxt *bp = netdev_priv(dev); + int rc; + + rc = hwrm_req_init(bp, req, HWRM_NVM_FIND_DIR_ENTRY); + if (rc) + return rc; + + 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; + output = hwrm_req_hold(bp, req); + rc = hwrm_req_send_silent(bp, req); + 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); + } + hwrm_req_drop(bp, req); + 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; +} + +int bnxt_get_pkginfo(struct net_device *dev, char *ver, int size) +{ + struct bnxt *bp = netdev_priv(dev); + u16 index = 0; + char *pkgver; + u32 pkglen; + u8 *pkgbuf; + int rc; + + rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, + BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, + &index, NULL, &pkglen); + if (rc) + return rc; + + pkgbuf = kzalloc(pkglen, GFP_KERNEL); + if (!pkgbuf) { + dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n", + pkglen); + return -ENOMEM; + } + + rc = bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf); + if (rc) + goto err; + + pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf, + pkglen); + if (pkgver && *pkgver != 0 && isdigit(*pkgver)) + strscpy(ver, pkgver, size); + else + rc = -ENOENT; + +err: + kfree(pkgbuf); + + return rc; +} + +static void bnxt_get_pkgver(struct net_device *dev) +{ + struct bnxt *bp = netdev_priv(dev); + char buf[FW_VER_STR_LEN]; + int len; + + if (!bnxt_get_pkginfo(dev, buf, sizeof(buf))) { + len = strlen(bp->fw_ver_str); + snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1, + "/pkg %s", buf); + } +} + +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 hwrm_nvm_erase_dir_entry_input *req; + struct bnxt *bp = netdev_priv(dev); + int rc; + + rc = hwrm_req_init(bp, req, HWRM_NVM_ERASE_DIR_ENTRY); + if (rc) + return rc; + + req->dir_idx = cpu_to_le16(index); + return hwrm_req_send(bp, req); +} + +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)) + return -EOPNOTSUPP; + ext = eeprom->magic & 0xffff; + ordinal = eeprom->offset >> 16; + attr = eeprom->offset & 0xffff; + + return bnxt_flash_nvram(dev, type, ordinal, ext, attr, 0, 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_PHY_CFG_ABLE(bp)) + return -EOPNOTSUPP; + + if (!(bp->phy_flags & BNXT_PHY_FL_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->phy_flags & BNXT_PHY_FL_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_output *output; + struct hwrm_port_phy_i2c_read_input *req; + int rc, byte_offset = 0; + + rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_I2C_READ); + if (rc) + return rc; + + output = hwrm_req_hold(bp, req); + 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); + rc = hwrm_req_send(bp, req); + if (!rc) + memcpy(buf + byte_offset, output->data, xfer_size); + byte_offset += xfer_size; + } while (!rc && data_length > 0); + hwrm_req_drop(bp, req); + + 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_PHY_CFG_ABLE(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; + 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 rc, i; + + 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; + } + rc = hwrm_req_init(bp, req, HWRM_PORT_LED_CFG); + if (rc) + return rc; + + 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; + } + return hwrm_req_send(bp, req); +} + +static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring) +{ + struct hwrm_selftest_irq_input *req; + int rc; + + rc = hwrm_req_init(bp, req, HWRM_SELFTEST_IRQ); + if (rc) + return rc; + + req->cmpl_ring = cpu_to_le16(cmpl_ring); + return hwrm_req_send(bp, req); +} + +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; + int rc; + + rc = hwrm_req_init(bp, req, HWRM_PORT_MAC_CFG); + if (rc) + return rc; + + 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_req_send(bp, req); +} + +static int bnxt_query_force_speeds(struct bnxt *bp, u16 *force_speeds) +{ + struct hwrm_port_phy_qcaps_output *resp; + struct hwrm_port_phy_qcaps_input *req; + int rc; + + rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_QCAPS); + if (rc) + return rc; + + resp = hwrm_req_hold(bp, req); + rc = hwrm_req_send(bp, req); + if (!rc) + *force_speeds = le16_to_cpu(resp->supported_speeds_force_mode); + + hwrm_req_drop(bp, req); + 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 || + (bp->phy_flags & BNXT_PHY_FL_AN_PHY_LPBK)) + 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 (BNXT_LINK_IS_UP(bp)) + 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_req_send(bp, req); + 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; + int rc; + + rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_CFG); + if (rc) + return rc; + + /* prevent bnxt_disable_an_for_lpbk() from consuming the request */ + hwrm_req_hold(bp, req); + + 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); + rc = hwrm_req_send(bp, req); + hwrm_req_drop(bp, req); + return rc; +} + +static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, + u32 raw_cons, int pkt_size) +{ + struct bnxt_napi *bnapi = cpr->bnapi; + struct bnxt_rx_ring_info *rxr; + struct bnxt_sw_rx_bd *rx_buf; + struct rx_cmp *rxcmp; + u16 cp_cons, cons; + u8 *data; + u32 len; + int i; + + rxr = bnapi->rx_ring; + 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, struct bnxt_cp_ring_info *cpr, + int pkt_size) +{ + struct tx_cmp *txcmp; + int rc = -EIO; + u32 raw_cons; + u32 cons; + int i; + + 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, cpr, 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]; + struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0]; + struct bnxt_cp_ring_info *cpr; + int pkt_size, i = 0; + struct sk_buff *skb; + dma_addr_t map; + u8 *data; + int rc; + + cpr = &rxr->bnapi->cp_ring; + if (bp->flags & BNXT_FLAG_CHIP_P5) + cpr = cpr->cp_ring_arr[BNXT_RX_HDL]; + 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); + ether_addr_copy(&data[i], bp->dev->dev_addr); + 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, + DMA_TO_DEVICE); + if (dma_mapping_error(&bp->pdev->dev, map)) { + dev_kfree_skb(skb); + return -EIO; + } + bnxt_xmit_bd(bp, txr, map, pkt_size, NULL); + + /* Sync BD data before updating doorbell */ + wmb(); + + bnxt_db_write(bp, &txr->tx_db, txr->tx_prod); + rc = bnxt_poll_loopback(bp, cpr, pkt_size); + + dma_unmap_single(&bp->pdev->dev, map, pkt_size, DMA_TO_DEVICE); + 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; + struct hwrm_selftest_exec_input *req; + int rc; + + rc = hwrm_req_init(bp, req, HWRM_SELFTEST_EXEC); + if (rc) + return rc; + + hwrm_req_timeout(bp, req, bp->test_info->timeout); + req->flags = test_mask; + + resp = hwrm_req_hold(bp, req); + rc = hwrm_req_send(bp, req); + *test_results = resp->test_success; + hwrm_req_drop(bp, req); + 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_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->phy_flags & BNXT_PHY_FL_EXT_LPBK)) + do_ext_lpbk = true; + + if (etest->flags & ETH_TEST_FL_OFFLINE) { + if (bp->pf.active_vfs || !BNXT_SINGLE_PF(bp)) { + etest->flags |= ETH_TEST_FL_FAILED; + netdev_warn(dev, "Offline tests cannot be run with active VFs or on shared PF\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 { + bnxt_ulp_stop(bp); + bnxt_close_nic(bp, true, false); + 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; + bnxt_ulp_start(bp, rc); + 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, true, true); + bnxt_ulp_start(bp, rc); + } + 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); + bool reload = false; + u32 req = *flags; + + if (!req) + return -EINVAL; + + if (!BNXT_PF(bp)) { + netdev_err(dev, "Reset is not supported from a VF\n"); + return -EOPNOTSUPP; + } + + if (pci_vfs_assigned(bp->pdev) && + !(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) { + netdev_err(dev, + "Reset not allowed when VFs are assigned to VMs\n"); + return -EBUSY; + } + + if ((req & BNXT_FW_RESET_CHIP) == BNXT_FW_RESET_CHIP) { + /* This feature is not supported in older firmware versions */ + if (bp->hwrm_spec_code >= 0x10803) { + if (!bnxt_firmware_reset_chip(dev)) { + netdev_info(dev, "Firmware reset request successful.\n"); + if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) + reload = true; + *flags &= ~BNXT_FW_RESET_CHIP; + } + } else if (req == BNXT_FW_RESET_CHIP) { + return -EOPNOTSUPP; /* only request, fail hard */ + } + } + + if (!BNXT_CHIP_P4_PLUS(bp) && (req & BNXT_FW_RESET_AP)) { + /* This feature is not supported in older firmware versions */ + if (bp->hwrm_spec_code >= 0x10803) { + if (!bnxt_firmware_reset_ap(dev)) { + netdev_info(dev, "Reset application processor successful.\n"); + reload = true; + *flags &= ~BNXT_FW_RESET_AP; + } + } else if (req == BNXT_FW_RESET_AP) { + return -EOPNOTSUPP; /* only request, fail hard */ + } + } + + if (reload) + netdev_info(dev, "Reload driver to complete reset\n"); + + return 0; +} + +static int bnxt_set_dump(struct net_device *dev, struct ethtool_dump *dump) +{ + struct bnxt *bp = netdev_priv(dev); + + if (dump->flag > BNXT_DUMP_CRASH) { + netdev_info(dev, "Supports only Live(0) and Crash(1) dumps.\n"); + return -EINVAL; + } + + if (!IS_ENABLED(CONFIG_TEE_BNXT_FW) && dump->flag == BNXT_DUMP_CRASH) { + netdev_info(dev, "Cannot collect crash dump as TEE_BNXT_FW config option is not enabled.\n"); + return -EOPNOTSUPP; + } + + bp->dump_flag = dump->flag; + return 0; +} + +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; + + dump->flag = bp->dump_flag; + dump->len = bnxt_get_coredump_length(bp, bp->dump_flag); + return 0; +} + +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); + + dump->flag = bp->dump_flag; + return bnxt_get_coredump(bp, dump->flag, buf, &dump->len); +} + +static int bnxt_get_ts_info(struct net_device *dev, + struct ethtool_ts_info *info) +{ + struct bnxt *bp = netdev_priv(dev); + struct bnxt_ptp_cfg *ptp; + + ptp = bp->ptp_cfg; + info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE; + + info->phc_index = -1; + if (!ptp) + return 0; + + info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE | + SOF_TIMESTAMPING_RX_HARDWARE | + SOF_TIMESTAMPING_RAW_HARDWARE; + if (ptp->ptp_clock) + info->phc_index = ptp_clock_index(ptp->ptp_clock); + + info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); + + info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | + (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) | + (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT); + + if (bp->fw_cap & BNXT_FW_CAP_RX_ALL_PKT_TS) + info->rx_filters |= (1 << HWTSTAMP_FILTER_ALL); + return 0; +} + +void bnxt_ethtool_init(struct bnxt *bp) +{ + struct hwrm_selftest_qlist_output *resp; + struct hwrm_selftest_qlist_input *req; + struct bnxt_test_info *test_info; + struct net_device *dev = bp->dev; + int i, rc; + + if (!(bp->fw_cap & BNXT_FW_CAP_PKG_VER)) + bnxt_get_pkgver(dev); + + bp->num_tests = 0; + if (bp->hwrm_spec_code < 0x10704 || !BNXT_PF(bp)) + return; + + test_info = bp->test_info; + if (!test_info) { + test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL); + if (!test_info) + return; + bp->test_info = test_info; + } + + if (hwrm_req_init(bp, req, HWRM_SELFTEST_QLIST)) + return; + + resp = hwrm_req_hold(bp, req); + rc = hwrm_req_send_silent(bp, req); + if (rc) + goto ethtool_init_exit; + + 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->test_name[i]; + + 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 { + snprintf(str, ETH_GSTRING_LEN, "%s test (%s)", + fw_str, test_info->offline_mask & (1 << i) ? + "offline" : "online"); + } + } + +ethtool_init_exit: + hwrm_req_drop(bp, req); +} + +static void bnxt_get_eth_phy_stats(struct net_device *dev, + struct ethtool_eth_phy_stats *phy_stats) +{ + struct bnxt *bp = netdev_priv(dev); + u64 *rx; + + if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS_EXT)) + return; + + rx = bp->rx_port_stats_ext.sw_stats; + phy_stats->SymbolErrorDuringCarrier = + *(rx + BNXT_RX_STATS_EXT_OFFSET(rx_pcs_symbol_err)); +} + +static void bnxt_get_eth_mac_stats(struct net_device *dev, + struct ethtool_eth_mac_stats *mac_stats) +{ + struct bnxt *bp = netdev_priv(dev); + u64 *rx, *tx; + + if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS)) + return; + + rx = bp->port_stats.sw_stats; + tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8; + + mac_stats->FramesReceivedOK = + BNXT_GET_RX_PORT_STATS64(rx, rx_good_frames); + mac_stats->FramesTransmittedOK = + BNXT_GET_TX_PORT_STATS64(tx, tx_good_frames); + mac_stats->FrameCheckSequenceErrors = + BNXT_GET_RX_PORT_STATS64(rx, rx_fcs_err_frames); + mac_stats->AlignmentErrors = + BNXT_GET_RX_PORT_STATS64(rx, rx_align_err_frames); + mac_stats->OutOfRangeLengthField = + BNXT_GET_RX_PORT_STATS64(rx, rx_oor_len_frames); +} + +static void bnxt_get_eth_ctrl_stats(struct net_device *dev, + struct ethtool_eth_ctrl_stats *ctrl_stats) +{ + struct bnxt *bp = netdev_priv(dev); + u64 *rx; + + if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS)) + return; + + rx = bp->port_stats.sw_stats; + ctrl_stats->MACControlFramesReceived = + BNXT_GET_RX_PORT_STATS64(rx, rx_ctrl_frames); +} + +static const struct ethtool_rmon_hist_range bnxt_rmon_ranges[] = { + { 0, 64 }, + { 65, 127 }, + { 128, 255 }, + { 256, 511 }, + { 512, 1023 }, + { 1024, 1518 }, + { 1519, 2047 }, + { 2048, 4095 }, + { 4096, 9216 }, + { 9217, 16383 }, + {} +}; + +static void bnxt_get_rmon_stats(struct net_device *dev, + struct ethtool_rmon_stats *rmon_stats, + const struct ethtool_rmon_hist_range **ranges) +{ + struct bnxt *bp = netdev_priv(dev); + u64 *rx, *tx; + + if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS)) + return; + + rx = bp->port_stats.sw_stats; + tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8; + + rmon_stats->jabbers = + BNXT_GET_RX_PORT_STATS64(rx, rx_jbr_frames); + rmon_stats->oversize_pkts = + BNXT_GET_RX_PORT_STATS64(rx, rx_ovrsz_frames); + rmon_stats->undersize_pkts = + BNXT_GET_RX_PORT_STATS64(rx, rx_undrsz_frames); + + rmon_stats->hist[0] = BNXT_GET_RX_PORT_STATS64(rx, rx_64b_frames); + rmon_stats->hist[1] = BNXT_GET_RX_PORT_STATS64(rx, rx_65b_127b_frames); + rmon_stats->hist[2] = BNXT_GET_RX_PORT_STATS64(rx, rx_128b_255b_frames); + rmon_stats->hist[3] = BNXT_GET_RX_PORT_STATS64(rx, rx_256b_511b_frames); + rmon_stats->hist[4] = + BNXT_GET_RX_PORT_STATS64(rx, rx_512b_1023b_frames); + rmon_stats->hist[5] = + BNXT_GET_RX_PORT_STATS64(rx, rx_1024b_1518b_frames); + rmon_stats->hist[6] = + BNXT_GET_RX_PORT_STATS64(rx, rx_1519b_2047b_frames); + rmon_stats->hist[7] = + BNXT_GET_RX_PORT_STATS64(rx, rx_2048b_4095b_frames); + rmon_stats->hist[8] = + BNXT_GET_RX_PORT_STATS64(rx, rx_4096b_9216b_frames); + rmon_stats->hist[9] = + BNXT_GET_RX_PORT_STATS64(rx, rx_9217b_16383b_frames); + + rmon_stats->hist_tx[0] = + BNXT_GET_TX_PORT_STATS64(tx, tx_64b_frames); + rmon_stats->hist_tx[1] = + BNXT_GET_TX_PORT_STATS64(tx, tx_65b_127b_frames); + rmon_stats->hist_tx[2] = + BNXT_GET_TX_PORT_STATS64(tx, tx_128b_255b_frames); + rmon_stats->hist_tx[3] = + BNXT_GET_TX_PORT_STATS64(tx, tx_256b_511b_frames); + rmon_stats->hist_tx[4] = + BNXT_GET_TX_PORT_STATS64(tx, tx_512b_1023b_frames); + rmon_stats->hist_tx[5] = + BNXT_GET_TX_PORT_STATS64(tx, tx_1024b_1518b_frames); + rmon_stats->hist_tx[6] = + BNXT_GET_TX_PORT_STATS64(tx, tx_1519b_2047b_frames); + rmon_stats->hist_tx[7] = + BNXT_GET_TX_PORT_STATS64(tx, tx_2048b_4095b_frames); + rmon_stats->hist_tx[8] = + BNXT_GET_TX_PORT_STATS64(tx, tx_4096b_9216b_frames); + rmon_stats->hist_tx[9] = + BNXT_GET_TX_PORT_STATS64(tx, tx_9217b_16383b_frames); + + *ranges = bnxt_rmon_ranges; +} + +void bnxt_ethtool_free(struct bnxt *bp) +{ + kfree(bp->test_info); + bp->test_info = NULL; +} + +const struct ethtool_ops bnxt_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES | + ETHTOOL_COALESCE_USECS_IRQ | + ETHTOOL_COALESCE_MAX_FRAMES_IRQ | + ETHTOOL_COALESCE_STATS_BLOCK_USECS | + ETHTOOL_COALESCE_USE_ADAPTIVE_RX | + ETHTOOL_COALESCE_USE_CQE, + .get_link_ksettings = bnxt_get_link_ksettings, + .set_link_ksettings = bnxt_set_link_ksettings, + .get_fec_stats = bnxt_get_fec_stats, + .get_fecparam = bnxt_get_fecparam, + .set_fecparam = bnxt_set_fecparam, + .get_pause_stats = bnxt_get_pause_stats, + .get_pauseparam = bnxt_get_pauseparam, + .set_pauseparam = bnxt_set_pauseparam, + .get_drvinfo = bnxt_get_drvinfo, + .get_regs_len = bnxt_get_regs_len, + .get_regs = bnxt_get_regs, + .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, + .set_rxfh = bnxt_set_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, + .get_ts_info = bnxt_get_ts_info, + .reset = bnxt_reset, + .set_dump = bnxt_set_dump, + .get_dump_flag = bnxt_get_dump_flag, + .get_dump_data = bnxt_get_dump_data, + .get_eth_phy_stats = bnxt_get_eth_phy_stats, + .get_eth_mac_stats = bnxt_get_eth_mac_stats, + .get_eth_ctrl_stats = bnxt_get_eth_ctrl_stats, + .get_rmon_stats = bnxt_get_rmon_stats, +}; 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