Commit 423cffcf authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
Browse files

bnxt: add pause frame stats 



These stats are already reported in ethtool -S.
Michael confirms they are equivalent to standard stats.

v2: - fix sparse warning about endian by using the macro
    - use u64 for pointer type

Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Reviewed-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Reviewed-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 242aaf03

drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

+17 −0
Original line number Diff line number Diff line
@@ -1778,6 +1778,22 @@ static void bnxt_get_pauseparam(struct net_device *dev, 
	epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);

}



static void bnxt_get_pause_stats(struct net_device *dev,

				 struct ethtool_pause_stats *epstat)

{

	struct bnxt *bp = netdev_priv(dev);

	u64 *rx, *tx;



	if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))

		return;



	rx = bp->port_stats.sw_stats;

	tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8;



	epstat->rx_pause_frames = BNXT_GET_RX_PORT_STATS64(rx, rx_pause_frames);

	epstat->tx_pause_frames = BNXT_GET_TX_PORT_STATS64(tx, tx_pause_frames);

}



static int bnxt_set_pauseparam(struct net_device *dev,

			       struct ethtool_pauseparam *epause)

{
@@ -3645,6 +3661,7 @@ const struct ethtool_ops bnxt_ethtool_ops = { 
				     ETHTOOL_COALESCE_USE_ADAPTIVE_RX,

	.get_link_ksettings	= bnxt_get_link_ksettings,

	.set_link_ksettings	= bnxt_set_link_ksettings,

	.get_pause_stats	= bnxt_get_pause_stats,

	.get_pauseparam		= bnxt_get_pauseparam,

	.set_pauseparam		= bnxt_set_pauseparam,

	.get_drvinfo		= bnxt_get_drvinfo,