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Merge branch 'bnxt_en-fixes'

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Michael Chan says:

====================
bnxt_en: 3 bug fixes.

2 Fixes related to PHY/link settings.  The last one fixes the sizing of
the completion ring.

Please also queue for -stable.  Thanks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2020-07-12 15:29:01 -07:00
parent 1df0d89604 27640ce68d
commit d99c6fa49e
2 changed files with 19 additions and 8 deletions
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22
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View file

@ -3418,7 +3418,7 @@ void bnxt_set_tpa_flags(struct bnxt *bp)
*/
void bnxt_set_ring_params(struct bnxt *bp)
{
u32 ring_size, rx_size, rx_space;
u32 ring_size, rx_size, rx_space, max_rx_cmpl;
u32 agg_factor = 0, agg_ring_size = 0;
/* 8 for CRC and VLAN */
@ -3474,7 +3474,15 @@ void bnxt_set_ring_params(struct bnxt *bp)
bp->tx_nr_pages = bnxt_calc_nr_ring_pages(ring_size, TX_DESC_CNT);
bp->tx_ring_mask = (bp->tx_nr_pages * TX_DESC_CNT) - 1;
ring_size = bp->rx_ring_size * (2 + agg_factor) + bp->tx_ring_size;
max_rx_cmpl = bp->rx_ring_size;
/* MAX TPA needs to be added because TPA_START completions are
* immediately recycled, so the TPA completions are not bound by
* the RX ring size.
*/
if (bp->flags & BNXT_FLAG_TPA)
max_rx_cmpl += bp->max_tpa;
/* RX and TPA completions are 32-byte, all others are 16-byte */
ring_size = max_rx_cmpl * 2 + agg_ring_size + bp->tx_ring_size;
bp->cp_ring_size = ring_size;
bp->cp_nr_pages = bnxt_calc_nr_ring_pages(ring_size, CP_DESC_CNT);
@ -10385,15 +10393,15 @@ static void bnxt_sp_task(struct work_struct *work)
&bp->sp_event))
bnxt_hwrm_phy_qcaps(bp);
if (test_and_clear_bit(BNXT_LINK_CFG_CHANGE_SP_EVENT,
&bp->sp_event))
bnxt_init_ethtool_link_settings(bp);
rc = bnxt_update_link(bp, true);
mutex_unlock(&bp->link_lock);
if (rc)
netdev_err(bp->dev, "SP task can't update link (rc: %x)\n",
rc);
if (test_and_clear_bit(BNXT_LINK_CFG_CHANGE_SP_EVENT,
&bp->sp_event))
bnxt_init_ethtool_link_settings(bp);
mutex_unlock(&bp->link_lock);
}
if (test_and_clear_bit(BNXT_UPDATE_PHY_SP_EVENT, &bp->sp_event)) {
int rc;

5
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
View file

@ -1765,8 +1765,11 @@ static int bnxt_set_pauseparam(struct net_device *dev,
if (epause->tx_pause)
link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
if (netif_running(dev))
if (netif_running(dev)) {
mutex_lock(&bp->link_lock);
rc = bnxt_hwrm_set_pause(bp);
mutex_unlock(&bp->link_lock);
}
return rc;
}