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octeontx2-pf: Add ndo_get_stats64 

Added ndo_get_stats64 which returns stats maintained by HW.

Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geetha sowjanya 2020-01-27 18:35:27 +05:30 committed by David S. Miller
parent 86d7476078
commit e239d0c78c
3 changed files with 97 additions and 0 deletions
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47
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
View File

@ -16,6 +16,53 @@
#include "otx2_common.h"
#include "otx2_struct.h"
void otx2_get_dev_stats(struct otx2_nic *pfvf)
{
struct otx2_dev_stats *dev_stats = &pfvf->hw.dev_stats;
#define OTX2_GET_RX_STATS(reg) \
otx2_read64(pfvf, NIX_LF_RX_STATX(reg))
#define OTX2_GET_TX_STATS(reg) \
otx2_read64(pfvf, NIX_LF_TX_STATX(reg))
dev_stats->rx_bytes = OTX2_GET_RX_STATS(RX_OCTS);
dev_stats->rx_drops = OTX2_GET_RX_STATS(RX_DROP);
dev_stats->rx_bcast_frames = OTX2_GET_RX_STATS(RX_BCAST);
dev_stats->rx_mcast_frames = OTX2_GET_RX_STATS(RX_MCAST);
dev_stats->rx_ucast_frames = OTX2_GET_RX_STATS(RX_UCAST);
dev_stats->rx_frames = dev_stats->rx_bcast_frames +
dev_stats->rx_mcast_frames +
dev_stats->rx_ucast_frames;
dev_stats->tx_bytes = OTX2_GET_TX_STATS(TX_OCTS);
dev_stats->tx_drops = OTX2_GET_TX_STATS(TX_DROP);
dev_stats->tx_bcast_frames = OTX2_GET_TX_STATS(TX_BCAST);
dev_stats->tx_mcast_frames = OTX2_GET_TX_STATS(TX_MCAST);
dev_stats->tx_ucast_frames = OTX2_GET_TX_STATS(TX_UCAST);
dev_stats->tx_frames = dev_stats->tx_bcast_frames +
dev_stats->tx_mcast_frames +
dev_stats->tx_ucast_frames;
}
void otx2_get_stats64(struct net_device *netdev,
struct rtnl_link_stats64 *stats)
{
struct otx2_nic *pfvf = netdev_priv(netdev);
struct otx2_dev_stats *dev_stats;
otx2_get_dev_stats(pfvf);
dev_stats = &pfvf->hw.dev_stats;
stats->rx_bytes = dev_stats->rx_bytes;
stats->rx_packets = dev_stats->rx_frames;
stats->rx_dropped = dev_stats->rx_drops;
stats->multicast = dev_stats->rx_mcast_frames;
stats->tx_bytes = dev_stats->tx_bytes;
stats->tx_packets = dev_stats->tx_frames;
stats->tx_dropped = dev_stats->tx_drops;
}
/* Sync MAC address with RVU AF */
static int otx2_hw_set_mac_addr(struct otx2_nic *pfvf, u8 *mac)
{

49
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
View File

@ -81,6 +81,49 @@ enum otx2_errcodes_re {
ERRCODE_IL4_CSUM = 0x22,
};
/* NIX TX stats */
enum nix_stat_lf_tx {
TX_UCAST = 0x0,
TX_BCAST = 0x1,
TX_MCAST = 0x2,
TX_DROP = 0x3,
TX_OCTS = 0x4,
TX_STATS_ENUM_LAST,
};
/* NIX RX stats */
enum nix_stat_lf_rx {
RX_OCTS = 0x0,
RX_UCAST = 0x1,
RX_BCAST = 0x2,
RX_MCAST = 0x3,
RX_DROP = 0x4,
RX_DROP_OCTS = 0x5,
RX_FCS = 0x6,
RX_ERR = 0x7,
RX_DRP_BCAST = 0x8,
RX_DRP_MCAST = 0x9,
RX_DRP_L3BCAST = 0xa,
RX_DRP_L3MCAST = 0xb,
RX_STATS_ENUM_LAST,
};
struct otx2_dev_stats {
u64 rx_bytes;
u64 rx_frames;
u64 rx_ucast_frames;
u64 rx_bcast_frames;
u64 rx_mcast_frames;
u64 rx_drops;
u64 tx_bytes;
u64 tx_frames;
u64 tx_ucast_frames;
u64 tx_bcast_frames;
u64 tx_mcast_frames;
u64 tx_drops;
};
/* Driver counted stats */
struct otx2_drv_stats {
atomic_t rx_fcs_errs;
@ -142,6 +185,7 @@ struct otx2_hw {
cpumask_var_t *affinity_mask;
/* Stats */
struct otx2_dev_stats dev_stats;
struct otx2_drv_stats drv_stats;
};
@ -545,6 +589,11 @@ void mbox_handler_nix_lf_alloc(struct otx2_nic *pfvf,
void mbox_handler_nix_txsch_alloc(struct otx2_nic *pf,
struct nix_txsch_alloc_rsp *rsp);
/* Device stats APIs */
void otx2_get_dev_stats(struct otx2_nic *pfvf);
void otx2_get_stats64(struct net_device *netdev,
struct rtnl_link_stats64 *stats);
int otx2_open(struct net_device *netdev);
int otx2_stop(struct net_device *netdev);
#endif /* OTX2_COMMON_H */

1
drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
View File

@ -1073,6 +1073,7 @@ static const struct net_device_ops otx2_netdev_ops = {
.ndo_set_rx_mode = otx2_set_rx_mode,
.ndo_set_features = otx2_set_features,
.ndo_tx_timeout = otx2_tx_timeout,
.ndo_get_stats64 = otx2_get_stats64,
};
static int otx2_check_pf_usable(struct otx2_nic *nic)