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authorGravatar David S. Miller <davem@davemloft.net> 2016-12-06 21:33:19 -0500
committerGravatar David S. Miller <davem@davemloft.net> 2016-12-06 21:33:19 -0500
commitc63d352f053a788281eb90df0a71cd3a6b2c4040 (patch)
treece0c6f0993100d3d8feda1d9d487dfba4abc5bd0 /drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
parentnet: hns: Fix to conditionally convey RX checksum flag to stack (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index 85a7800bfc12..5f19427c7b27 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -1872,8 +1872,16 @@ static void bnx2x_get_ringparam(struct net_device *dev,
ering->rx_max_pending = MAX_RX_AVAIL;
+ /* If size isn't already set, we give an estimation of the number
+ * of buffers we'll have. We're neglecting some possible conditions
+ * [we couldn't know for certain at this point if number of queues
+ * might shrink] but the number would be correct for the likely
+ * scenario.
+ */
if (bp->rx_ring_size)
ering->rx_pending = bp->rx_ring_size;
+ else if (BNX2X_NUM_RX_QUEUES(bp))
+ ering->rx_pending = MAX_RX_AVAIL / BNX2X_NUM_RX_QUEUES(bp);
else
ering->rx_pending = MAX_RX_AVAIL;