diff options
| author | Michael Chan <michael.chan@broadcom.com> | 2016-11-11 08:11:42 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-13 20:37:31 +0300 |
| commit | 3ffb6a39b751b635a0c50b650064c38b8d371ef2 (patch) | |
| tree | 147563c3fa4c932bcf83445534458f7a37fb962a /drivers/net/ethernet/broadcom | |
| parent | 7b5b74efcca00f15c2aec1dc7175bfe34b6ec643 (diff) | |
| download | linux-3ffb6a39b751b635a0c50b650064c38b8d371ef2.tar.xz | |
bnxt_en: Fix ring arithmetic in bnxt_setup_tc().
The logic is missing the check on whether the tx and rx rings are sharing
completion rings or not.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index a9f9f3738022..c6909660e097 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -6309,6 +6309,7 @@ static int bnxt_setup_tc(struct net_device *dev, u32 handle, __be16 proto, struct tc_to_netdev *ntc) { struct bnxt *bp = netdev_priv(dev); + bool sh = false; u8 tc; if (ntc->type != TC_SETUP_MQPRIO) @@ -6325,12 +6326,11 @@ static int bnxt_setup_tc(struct net_device *dev, u32 handle, __be16 proto, if (netdev_get_num_tc(dev) == tc) return 0; + if (bp->flags & BNXT_FLAG_SHARED_RINGS) + sh = true; + if (tc) { int max_rx_rings, max_tx_rings, rc; - bool sh = false; - - if (bp->flags & BNXT_FLAG_SHARED_RINGS) - sh = true; rc = bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh); if (rc || bp->tx_nr_rings_per_tc * tc > max_tx_rings) @@ -6348,7 +6348,8 @@ static int bnxt_setup_tc(struct net_device *dev, u32 handle, __be16 proto, bp->tx_nr_rings = bp->tx_nr_rings_per_tc; netdev_reset_tc(dev); } - bp->cp_nr_rings = max_t(int, bp->tx_nr_rings, bp->rx_nr_rings); + bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : + bp->tx_nr_rings + bp->rx_nr_rings; bp->num_stat_ctxs = bp->cp_nr_rings; if (netif_running(bp->dev)) |