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drivers: nrf_wifi: Rejig the statistics

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Separate out host(local) and FW(remote) statistics and in case of a
FW statistics timeout, return success with a magic value in the FW
statistics, this way atleast host statistics would be handy for
debugging instead of sending failure up.

Signed-off-by: Chaitanya Tata <Chaitanya.Tata@nordicsemi.no>
This commit is contained in:
Chaitanya Tata 2025-05-27 13:57:49 +05:30 • committed by Benjamin Cabé
commit 5601af34b7
1 changed files with 24 additions and 12 deletions
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36
drivers/wifi/nrf_wifi/src/net_if.c
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@ -1208,9 +1208,7 @@ int nrf_wifi_stats_get(const struct device *dev, struct net_stats_wifi *zstats)
enum nrf_wifi_status status = NRF_WIFI_STATUS_FAIL;
struct nrf_wifi_ctx_zep *rpu_ctx_zep = NULL;
struct nrf_wifi_vif_ctx_zep *vif_ctx_zep = NULL;
#ifdef CONFIG_NRF70_RAW_DATA_TX
struct nrf_wifi_sys_fmac_dev_ctx *sys_dev_ctx = NULL;
#endif /* CONFIG_NRF70_RAW_DATA_TX */
struct rpu_sys_op_stats stats;
int ret = -1;
@ -1241,19 +1239,38 @@ int nrf_wifi_stats_get(const struct device *dev, struct net_stats_wifi *zstats)
__func__);
goto unlock;
}
memset(&stats, 0, sizeof(struct rpu_sys_op_stats));
status = nrf_wifi_sys_fmac_stats_get(rpu_ctx_zep->rpu_ctx, 0, &stats);
if (status != NRF_WIFI_STATUS_SUCCESS) {
LOG_ERR("%s: nrf_wifi_fmac_stats_get failed", __func__);
sys_dev_ctx = wifi_dev_priv(rpu_ctx_zep->rpu_ctx);
if (!sys_dev_ctx) {
LOG_ERR("%s: sys_dev_ctx is NULL", __func__);
goto unlock;
}
memset(&stats, 0, sizeof(struct rpu_sys_op_stats));
/* Host statistics */
nrf_wifi_osal_mem_cpy(&stats.host,
&sys_dev_ctx->host_stats,
sizeof(sys_dev_ctx->host_stats));
zstats->pkts.tx = stats.host.total_tx_pkts;
zstats->pkts.rx = stats.host.total_rx_pkts;
zstats->errors.tx = stats.host.total_tx_drop_pkts;
zstats->errors.rx = stats.host.total_rx_drop_pkts +
stats.fw.umac.interface_data_stats.rx_checksum_error_count;
zstats->overrun_count = stats.host.total_tx_drop_pkts + stats.host.total_rx_drop_pkts;
#ifdef CONFIG_NRF70_RAW_DATA_TX
zstats->errors.tx += sys_dev_ctx->raw_pkt_stats.raw_pkt_send_failure;
#endif /* CONFIG_NRF70_RAW_DATA_TX */
/* FMAC statistics */
status = nrf_wifi_sys_fmac_stats_get(rpu_ctx_zep->rpu_ctx, 0, &stats);
if (status != NRF_WIFI_STATUS_SUCCESS) {
LOG_WRN("%s: nrf_wifi_fmac_stats_get failed", __func__);
/* Special value to indicate that
* statistics are not available.
*/
memset(&stats.fw.umac.interface_data_stats, 0xAA,
sizeof(stats.fw.umac.interface_data_stats));
}
zstats->bytes.received = stats.fw.umac.interface_data_stats.rx_bytes;
zstats->bytes.sent = stats.fw.umac.interface_data_stats.tx_bytes;
zstats->sta_mgmt.beacons_rx = stats.fw.umac.interface_data_stats.rx_beacon_success_count;
@ -1264,12 +1281,7 @@ int nrf_wifi_stats_get(const struct device *dev, struct net_stats_wifi *zstats)
zstats->multicast.tx = stats.fw.umac.interface_data_stats.tx_multicast_pkt_count;
zstats->unicast.rx = stats.fw.umac.interface_data_stats.rx_unicast_pkt_count;
zstats->unicast.tx = stats.fw.umac.interface_data_stats.tx_unicast_pkt_count;
zstats->overrun_count = stats.host.total_tx_drop_pkts + stats.host.total_rx_drop_pkts;
#ifdef CONFIG_NRF70_RAW_DATA_TX
sys_dev_ctx = wifi_dev_priv(rpu_ctx_zep->rpu_ctx);
zstats->errors.tx += sys_dev_ctx->raw_pkt_stats.raw_pkt_send_failure;
#endif /* CONFIG_NRF70_RAW_DATA_TX */
ret = 0;
unlock:
k_mutex_unlock(&vif_ctx_zep->vif_lock);