diff options
| author | Michael Chan <michael.chan@broadcom.com> | 2016-12-02 21:17:18 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-12-05 13:21:40 -0500 |
| commit | c77192f2042537b1e0e5f520db91e4d28778195f (patch) | |
| tree | 5f56fcb7a82a3a063d41bb70ff3244dc753b71f1 /drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c | |
| parent | 7df4ae9fe85567a1710048da8229bd85e0da9df7 (diff) | |
bnxt_en: Add PFC statistics.
Report PFC statistics to ethtool -S and DCBNL.
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/bnxt/bnxt_dcb.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c index f391b47262bb..fdf2d8caf7bf 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c @@ -347,8 +347,10 @@ static int bnxt_dcbnl_ieee_setets(struct net_device *dev, struct ieee_ets *ets) static int bnxt_dcbnl_ieee_getpfc(struct net_device *dev, struct ieee_pfc *pfc) { struct bnxt *bp = netdev_priv(dev); + __le64 *stats = (__le64 *)bp->hw_rx_port_stats; struct ieee_pfc *my_pfc = bp->ieee_pfc; - int rc; + long rx_off, tx_off; + int i, rc; pfc->pfc_cap = bp->max_lltc; @@ -369,6 +371,16 @@ static int bnxt_dcbnl_ieee_getpfc(struct net_device *dev, struct ieee_pfc *pfc) pfc->mbc = my_pfc->mbc; pfc->delay = my_pfc->delay; + if (!stats) + return 0; + + rx_off = BNXT_RX_STATS_OFFSET(rx_pfc_ena_frames_pri0); + tx_off = BNXT_TX_STATS_OFFSET(tx_pfc_ena_frames_pri0); + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++, rx_off++, tx_off++) { + pfc->requests[i] = le64_to_cpu(*(stats + tx_off)); + pfc->indications[i] = le64_to_cpu(*(stats + rx_off)); + } + return 0; } |