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bnxt: add pause frame stats

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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: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2020-09-14 17:11:56 -07:00 committed by David S. Miller
parent 242aaf03dc
commit 423cffcf6c
1 changed files with 17 additions and 0 deletions
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17
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
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@ -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,