Firmwares may not provide all monitor mode features in the "cap" iovar.
For those this fallback mechanism uses "sta_monitor" iovar. If firmware
is compiled with stamon, this iovar will fail with BCME_NOTUP; Otherwise
it fails with BCME_UNSUPPORTED.
Reviewed-by: Hante Meuleman <hante.meule...@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesbe...@broadcom.com>
Reviewed-by: Franky Lin <franky....@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspr...@broadcom.com>
---
.../wireless/broadcom/brcm80211/brcmfmac/feature.c | 15 +++++++++++++++
.../broadcom/brcm80211/brcmfmac/fwil_types.h | 21 +++++++++++++++++++++
2 files changed, 36 insertions(+)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
index f70fec6..cb57a4a 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
@@ -207,6 +207,7 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0);
struct brcmf_pno_macaddr_le pfn_mac;
struct brcmf_gscan_config gscan_cfg;
+ struct brcmf_stamon_sta_config stamon_cfg;
u32 wowl_cap;
s32 err;
@@ -217,6 +218,20 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
brcmf_feat_iovar_data_set(ifp, BRCMF_FEAT_GSCAN,
"pfn_gscan_cfg",
&gscan_cfg, sizeof(gscan_cfg));
+
+ if (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MONITOR) ||
+ !brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RADIOTAP)) {
+ ifp->fwil_fwerr = true;
+ memset(&stamon_cfg, 0, sizeof(stamon_cfg));
+ /* fails either way as firmware stack is not up yet */
+ err = brcmf_fil_iovar_data_set(ifp, "sta_monitor", &stamon_cfg,
+ sizeof(stamon_cfg));
+ if (err != BRCMF_FW_UNSUPPORTED) {
+ ifp->drvr->feat_flags |= BIT(BRCMF_FEAT_MONITOR);
+ ifp->drvr->feat_flags |= BIT(BRCMF_FEAT_RADIOTAP);
+ }
+ ifp->fwil_fwerr = false;
+ }
brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_PNO, "pfn");
if (drvr->bus_if->wowl_supported)
brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_WOWL, "wowl");
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
index 4b29070..db56c81 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
@@ -963,4 +963,25 @@ struct brcmf_gscan_config {
struct brcmf_gscan_bucket_config bucket[1];
};
+/**
+ * struct brcmf_stamon_sta_config - configuration data for sta monitor.
+ *
+ * @cmd: subcommand for this configuration.
+ * @mac: mac address of STA for which @cmd is intended.
+ * @version: version of this configuration structure.
+ * @length: number of bytes following this field.
+ * @chanspec: channel of the STA.
+ * @mon_time: time for which STA's are monitored (ms).
+ * @offchan_time: timer for which off-channel STA's are monitored.
+ */
+struct brcmf_stamon_sta_config {
+ __le32 cmd;
+ u8 mac[ETH_ALEN];
+ __le16 version;
+ __le16 length;
+ __le16 chanspec;
+ __le32 monitor_time;
+ __le32 offchan_time;
+};
+
#endif /* FWIL_TYPES_H_ */
--
1.9.1
