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Merge branch 'bnxt_en-bug-fixes'

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Michael Chan says:

====================
bnxt_en: Bug fixes

This patch series includes 3 fixes:
 - Fix an occasional VF open failure.
 - Fix a PTP spinlock usage before initialization
 - Fix unnecesary RX packet drops under high TX traffic load.
====================

Link: https://lore.kernel.org/r/1651540392-2260-1-git-send-email-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2022-05-03 17:41:35 -07:00
commit 0a806ecc40
2 changed files with 15 additions and 13 deletions
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13
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -2707,6 +2707,10 @@ static int bnxt_poll_p5(struct napi_struct *napi, int budget)
u32 idx = le32_to_cpu(nqcmp->cq_handle_low);
struct bnxt_cp_ring_info *cpr2;
/* No more budget for RX work */
if (budget && work_done >= budget && idx == BNXT_RX_HDL)
break;
cpr2 = cpr->cp_ring_arr[idx];
work_done += __bnxt_poll_work(bp, cpr2,
budget - work_done);
@ -10983,7 +10987,7 @@ static bool bnxt_rfs_capable(struct bnxt *bp)
if (bp->flags & BNXT_FLAG_CHIP_P5)
return bnxt_rfs_supported(bp);
if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp))
if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp) || !bp->rx_nr_rings)
return false;
vnics = 1 + bp->rx_nr_rings;
@ -13234,10 +13238,9 @@ static int bnxt_init_dflt_ring_mode(struct bnxt *bp)
goto init_dflt_ring_err;
bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
if (bnxt_rfs_supported(bp) && bnxt_rfs_capable(bp)) {
bp->flags |= BNXT_FLAG_RFS;
bp->dev->features |= NETIF_F_NTUPLE;
}
bnxt_set_dflt_rfs(bp);
init_dflt_ring_err:
bnxt_ulp_irq_restart(bp, rc);
return rc;

15
drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
View File

@ -846,13 +846,6 @@ int bnxt_ptp_init(struct bnxt *bp, bool phc_cfg)
if (rc)
return rc;
if (bp->fw_cap & BNXT_FW_CAP_PTP_RTC) {
bnxt_ptp_timecounter_init(bp, false);
rc = bnxt_ptp_init_rtc(bp, phc_cfg);
if (rc)
goto out;
}
if (ptp->ptp_clock && bnxt_pps_config_ok(bp))
return 0;
@ -861,8 +854,14 @@ int bnxt_ptp_init(struct bnxt *bp, bool phc_cfg)
atomic_set(&ptp->tx_avail, BNXT_MAX_TX_TS);
spin_lock_init(&ptp->ptp_lock);
if (!(bp->fw_cap & BNXT_FW_CAP_PTP_RTC))
if (bp->fw_cap & BNXT_FW_CAP_PTP_RTC) {
bnxt_ptp_timecounter_init(bp, false);
rc = bnxt_ptp_init_rtc(bp, phc_cfg);
if (rc)
goto out;
} else {
bnxt_ptp_timecounter_init(bp, true);
}
ptp->ptp_info = bnxt_ptp_caps;
if ((bp->fw_cap & BNXT_FW_CAP_PTP_PPS)) {