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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>
This commit is contained in:
Michael Chan 2016-12-02 21:17:18 -05:00 committed by David S. Miller
parent 7df4ae9fe8
commit c77192f204
3 changed files with 36 additions and 8 deletions
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7
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -1124,6 +1124,13 @@ struct bnxt {
u32 lpi_tmr_hi;
};
#define BNXT_RX_STATS_OFFSET(counter) \
(offsetof(struct rx_port_stats, counter) / 8)
#define BNXT_TX_STATS_OFFSET(counter) \
((offsetof(struct tx_port_stats, counter) + \
sizeof(struct rx_port_stats) + 512) / 8)
#ifdef CONFIG_NET_RX_BUSY_POLL
static inline void bnxt_enable_poll(struct bnxt_napi *bnapi)
{

14
drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
View File

@ -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;
}

23
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
View File

@ -107,16 +107,9 @@ static int bnxt_set_coalesce(struct net_device *dev,
#define BNXT_NUM_STATS 21
#define BNXT_RX_STATS_OFFSET(counter) \
(offsetof(struct rx_port_stats, counter) / 8)
#define BNXT_RX_STATS_ENTRY(counter) \
{ BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
#define BNXT_TX_STATS_OFFSET(counter) \
((offsetof(struct tx_port_stats, counter) + \
sizeof(struct rx_port_stats) + 512) / 8)
#define BNXT_TX_STATS_ENTRY(counter) \
{ BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
@ -150,6 +143,14 @@ static const struct {
BNXT_RX_STATS_ENTRY(rx_tagged_frames),
BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
BNXT_RX_STATS_ENTRY(rx_good_frames),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
@ -179,6 +180,14 @@ static const struct {
BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
BNXT_TX_STATS_ENTRY(tx_err),
BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
BNXT_TX_STATS_ENTRY(tx_total_collisions),