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bng_en: implement ndo_get_stats64

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Implement the ndo_get_stats64 callback to report aggregate network
statistics. The driver gathers these by accumulating the per-ring
counters into the provided rtnl_link_stats64 structure.

Signed-off-by: Bhargava Marreddy <bhargava.marreddy@broadcom.com>
Reviewed-by: Vikas Gupta <vikas.gupta@broadcom.com>
Link: https://patch.msgid.link/20260406180420.279470-9-bhargava.marreddy@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Bhargava Marreddy 2026-04-06 23:34:18 +05:30 committed by Jakub Kicinski
parent 50c885cb2e
commit d4f802eb4e
1 changed files with 41 additions and 0 deletions
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41
drivers/net/ethernet/broadcom/bnge/bnge_netdev.c
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@ -2898,6 +2898,46 @@ static int bnge_shutdown_nic(struct bnge_net *bn)
return 0; return 0;
} }
static void bnge_get_port_stats64(struct bnge_net *bn,
struct rtnl_link_stats64 *stats)
{
unsigned int start;
u64 *tx, *rx;
rx = bn->port_stats.sw_stats;
tx = bn->port_stats.sw_stats + BNGE_TX_PORT_STATS_BYTE_OFFSET / 8;
do {
start = u64_stats_fetch_begin(&bn->port_stats.syncp);
stats->rx_crc_errors =
BNGE_GET_RX_PORT_STATS64(rx, rx_fcs_err_frames);
stats->rx_frame_errors =
BNGE_GET_RX_PORT_STATS64(rx, rx_align_err_frames);
stats->rx_length_errors =
BNGE_GET_RX_PORT_STATS64(rx, rx_undrsz_frames) +
BNGE_GET_RX_PORT_STATS64(rx, rx_ovrsz_frames) +
BNGE_GET_RX_PORT_STATS64(rx, rx_runt_frames);
stats->rx_errors =
BNGE_GET_RX_PORT_STATS64(rx, rx_false_carrier_frames) +
BNGE_GET_RX_PORT_STATS64(rx, rx_jbr_frames);
stats->collisions =
BNGE_GET_TX_PORT_STATS64(tx, tx_total_collisions);
stats->tx_fifo_errors =
BNGE_GET_TX_PORT_STATS64(tx, tx_fifo_underruns);
stats->tx_errors = BNGE_GET_TX_PORT_STATS64(tx, tx_err);
} while (u64_stats_fetch_retry(&bn->port_stats.syncp, start));
}
static void bnge_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *stats)
{
struct bnge_net *bn = netdev_priv(dev);
if (bn->flags & BNGE_FLAG_PORT_STATS)
bnge_get_port_stats64(bn, stats);
}
static void bnge_close_core(struct bnge_net *bn) static void bnge_close_core(struct bnge_net *bn)
{ {
struct bnge_dev *bd = bn->bd; struct bnge_dev *bd = bn->bd;
@ -2931,6 +2971,7 @@ static const struct net_device_ops bnge_netdev_ops = {
.ndo_open = bnge_open, .ndo_open = bnge_open,
.ndo_stop = bnge_close, .ndo_stop = bnge_close,
.ndo_start_xmit = bnge_start_xmit, .ndo_start_xmit = bnge_start_xmit,
.ndo_get_stats64 = bnge_get_stats64,
.ndo_features_check = bnge_features_check, .ndo_features_check = bnge_features_check,
}; };