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Date: Tue, 21 Jan 2020 18:51:47 +0530
From: sunil.kovvuri@...il.com
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, kubakici@...pl, mkubecek@...e.cz,
Geetha sowjanya <gakula@...vell.com>,
Sunil Goutham <sgoutham@...vell.com>
Subject: [PATCH v4 13/17] octeontx2-pf: Add ndo_get_stats64
From: Geetha sowjanya <gakula@...vell.com>
Added ndo_get_stats64 which returns stats maintained by HW.
Signed-off-by: Geetha sowjanya <gakula@...vell.com>
Signed-off-by: Sunil Goutham <sgoutham@...vell.com>
---
.../ethernet/marvell/octeontx2/nic/otx2_common.c | 47 +++++++++++++++++++++
.../ethernet/marvell/octeontx2/nic/otx2_common.h | 49 ++++++++++++++++++++++
.../net/ethernet/marvell/octeontx2/nic/otx2_pf.c | 1 +
3 files changed, 97 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 9612b50..02ac930 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -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)
{
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index 1d51976..76c6997 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -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 */
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index f163573..06eeaa6 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -1076,6 +1076,7 @@ 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)
--
2.7.4
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