diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index b676d78e5c14..58792fddf510 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -3750,6 +3750,69 @@ stats_mem_err: return -ENOMEM; } +static void bnxt_fill_masks(u64 *mask_arr, u64 mask, int count) +{ + int i; + + for (i = 0; i < count; i++) + mask_arr[i] = mask; +} + +static void bnxt_copy_hw_masks(u64 *mask_arr, __le64 *hw_mask_arr, int count) +{ + int i; + + for (i = 0; i < count; i++) + mask_arr[i] = le64_to_cpu(hw_mask_arr[i]); +} + +static int bnxt_hwrm_func_qstat_ext(struct bnxt *bp, + struct bnxt_stats_mem *stats) +{ + struct hwrm_func_qstats_ext_output *resp = bp->hwrm_cmd_resp_addr; + struct hwrm_func_qstats_ext_input req = {0}; + __le64 *hw_masks; + int rc; + + if (!(bp->fw_cap & BNXT_FW_CAP_EXT_HW_STATS_SUPPORTED) || + !(bp->flags & BNXT_FLAG_CHIP_P5)) + return -EOPNOTSUPP; + + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QSTATS_EXT, -1, -1); + req.flags = FUNC_QSTATS_EXT_REQ_FLAGS_COUNTER_MASK; + mutex_lock(&bp->hwrm_cmd_lock); + rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (rc) + goto qstat_exit; + + hw_masks = &resp->rx_ucast_pkts; + bnxt_copy_hw_masks(stats->hw_masks, hw_masks, stats->len / 8); + +qstat_exit: + mutex_unlock(&bp->hwrm_cmd_lock); + return rc; +} + +static void bnxt_init_stats(struct bnxt *bp) +{ + struct bnxt_napi *bnapi = bp->bnapi[0]; + struct bnxt_cp_ring_info *cpr; + struct bnxt_stats_mem *stats; + u64 mask; + int rc; + + cpr = &bnapi->cp_ring; + stats = &cpr->stats; + rc = bnxt_hwrm_func_qstat_ext(bp, stats); + if (rc) { + if (bp->flags & BNXT_FLAG_CHIP_P5) + mask = (1ULL << 48) - 1; + else + mask = -1ULL; + bnxt_fill_masks(stats->hw_masks, mask, stats->len / 8); + } +} + static void bnxt_free_port_stats(struct bnxt *bp) { bp->flags &= ~BNXT_FLAG_PORT_STATS; @@ -4037,6 +4100,7 @@ static int bnxt_alloc_mem(struct bnxt *bp, bool irq_re_init) rc = bnxt_alloc_stats(bp); if (rc) goto alloc_mem_err; + bnxt_init_stats(bp); rc = bnxt_alloc_ntp_fltrs(bp); if (rc) |