diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index f87e0bd14632..177c8f59892b 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -8030,6 +8030,17 @@ static int bnxt_get_dflt_rings(struct bnxt *bp, int *max_rx, int *max_tx, return rc; } +/* In initial default shared ring setting, each shared ring must have a + * RX/TX ring pair. + */ +static void bnxt_trim_dflt_sh_rings(struct bnxt *bp) +{ + bp->cp_nr_rings = min_t(int, bp->tx_nr_rings_per_tc, bp->rx_nr_rings); + bp->rx_nr_rings = bp->cp_nr_rings; + bp->tx_nr_rings_per_tc = bp->cp_nr_rings; + bp->tx_nr_rings = bp->tx_nr_rings_per_tc; +} + static int bnxt_set_dflt_rings(struct bnxt *bp, bool sh) { int dflt_rings, max_rx_rings, max_tx_rings, rc; @@ -8045,10 +8056,18 @@ static int bnxt_set_dflt_rings(struct bnxt *bp, bool sh) return rc; bp->rx_nr_rings = min_t(int, dflt_rings, max_rx_rings); bp->tx_nr_rings_per_tc = min_t(int, dflt_rings, max_tx_rings); + if (sh) + bnxt_trim_dflt_sh_rings(bp); + else + bp->cp_nr_rings = bp->tx_nr_rings_per_tc + bp->rx_nr_rings; + bp->tx_nr_rings = bp->tx_nr_rings_per_tc; rc = bnxt_hwrm_reserve_tx_rings(bp, &bp->tx_nr_rings_per_tc); if (rc) netdev_warn(bp->dev, "Unable to reserve tx rings\n"); + bp->tx_nr_rings_per_tc = bp->tx_nr_rings; + if (sh) + bnxt_trim_dflt_sh_rings(bp); bp->tx_nr_rings = bp->tx_nr_rings_per_tc; bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : |