Commit c2f67d19 authored by MD Danish Anwar's avatar MD Danish Anwar Committed by David S. Miller
Browse files

net: ti: icssg-prueth: Add Standard network staticstics 



Implement .ndo_get_stats64 to dump standard network interface
statistics for ICSSG ethernet driver.

Signed-off-by: default avatarMD Danish Anwar <danishanwar@ti.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c1e10d5d

drivers/net/ethernet/ti/icssg/icssg_prueth.c

+22 −0
Original line number Diff line number Diff line
@@ -1240,6 +1240,27 @@ static int emac_ndo_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd) 
	return phy_do_ioctl(ndev, ifr, cmd);

}



static void emac_ndo_get_stats64(struct net_device *ndev,

				 struct rtnl_link_stats64 *stats)

{

	struct prueth_emac *emac = netdev_priv(ndev);



	emac_update_hardware_stats(emac);



	stats->rx_packets     = emac_get_stat_by_name(emac, "rx_packets");

	stats->rx_bytes       = emac_get_stat_by_name(emac, "rx_bytes");

	stats->tx_packets     = emac_get_stat_by_name(emac, "tx_packets");

	stats->tx_bytes       = emac_get_stat_by_name(emac, "tx_bytes");

	stats->rx_crc_errors  = emac_get_stat_by_name(emac, "rx_crc_errors");

	stats->rx_over_errors = emac_get_stat_by_name(emac, "rx_over_errors");

	stats->multicast      = emac_get_stat_by_name(emac, "rx_multicast_frames");



	stats->rx_errors  = ndev->stats.rx_errors;

	stats->rx_dropped = ndev->stats.rx_dropped;

	stats->tx_errors  = ndev->stats.tx_errors;

	stats->tx_dropped = ndev->stats.tx_dropped;

}



static const struct net_device_ops emac_netdev_ops = {

	.ndo_open = emac_ndo_open,

	.ndo_stop = emac_ndo_stop,
@@ -1249,6 +1270,7 @@ static const struct net_device_ops emac_netdev_ops = { 
	.ndo_tx_timeout = emac_ndo_tx_timeout,

	.ndo_set_rx_mode = emac_ndo_set_rx_mode,

	.ndo_eth_ioctl = emac_ndo_ioctl,

	.ndo_get_stats64 = emac_ndo_get_stats64,

};



/* get emac_port corresponding to eth_node name */

drivers/net/ethernet/ti/icssg/icssg_prueth.h

+2 −0
Original line number Diff line number Diff line
@@ -51,6 +51,7 @@ 


/* Number of ICSSG related stats */

#define ICSSG_NUM_STATS 60

#define ICSSG_NUM_STANDARD_STATS 31



/* Firmware status codes */

#define ICSS_HS_FW_READY 0x55555555
@@ -254,4 +255,5 @@ u32 icssg_queue_level(struct prueth *prueth, int queue); 


void emac_stats_work_handler(struct work_struct *work);

void emac_update_hardware_stats(struct prueth_emac *emac);

int emac_get_stat_by_name(struct prueth_emac *emac, char *stat_name);

#endif /* __NET_TI_ICSSG_PRUETH_H */

drivers/net/ethernet/ti/icssg/icssg_stats.c

+13 −0
Original line number Diff line number Diff line
@@ -42,3 +42,16 @@ void emac_stats_work_handler(struct work_struct *work) 
	queue_delayed_work(system_long_wq, &emac->stats_work,

			   msecs_to_jiffies((STATS_TIME_LIMIT_1G_MS * 1000) / emac->speed));

}



int emac_get_stat_by_name(struct prueth_emac *emac, char *stat_name)

{

	int i;



	for (i = 0; i < ARRAY_SIZE(icssg_all_stats); i++) {

		if (!strcmp(icssg_all_stats[i].name, stat_name))

			return emac->stats[icssg_all_stats[i].offset / sizeof(u32)];

	}



	netdev_err(emac->ndev, "Invalid stats %s\n", stat_name);

	return -EINVAL;

}