drivers/net/wireless/ath/wcn36xx/pmc.c

Source file repositories/reference/linux-study-clean/drivers/net/wireless/ath/wcn36xx/pmc.c

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/ath/wcn36xx/pmc.c
Extension
.c
Size
2425 bytes
Lines
75
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (vif_priv->bmps_fail_ct++ == WCN36XX_BMPS_FAIL_THREHOLD) {
			ieee80211_connection_loss(vif);
			vif_priv->bmps_fail_ct = 0;
		}
	}
	return ret;
}

int wcn36xx_pmc_exit_bmps_state(struct wcn36xx *wcn,
				struct ieee80211_vif *vif)
{
	struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);

	if (WCN36XX_BMPS != vif_priv->pw_state) {
		/* Unbalanced call or last BMPS enter failed */
		wcn36xx_dbg(WCN36XX_DBG_PMC,
			    "Not in BMPS mode, no need to exit\n");
		return -EALREADY;
	}
	wcn36xx_smd_exit_bmps(wcn, vif);
	vif_priv->pw_state = WCN36XX_FULL_POWER;
	vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER;
	return 0;
}

int wcn36xx_enable_keep_alive_null_packet(struct wcn36xx *wcn,
					  struct ieee80211_vif *vif)
{
	wcn36xx_dbg(WCN36XX_DBG_PMC, "%s\n", __func__);
	return wcn36xx_smd_keep_alive_req(wcn, vif,
					  WCN36XX_HAL_KEEP_ALIVE_NULL_PKT);
}

Annotation

Implementation Notes