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authorHante Meuleman <meuleman@broadcom.com>2015-10-29 20:33:16 +0100
committerKalle Valo <kvalo@codeaurora.org>2015-11-26 13:55:09 +0200
commit8abffd8173a1c64eaa951f2527635c12b5a4ecc3 (patch)
treeea9a6e681de79446cf9d0bcda4dfc5cdcd3a543b
parentdc1a272ec4405d70676b40cfde8f2ebdc77ee018 (diff)
brcmfmac: Add RSDB support.
Broadcom devices with a single 802.11 core can work on two band concurrently using VSDB feature, ie. Virtual Simultaneous Dual-Band. For devices that are fitted with two 802.11 cores and RF paths the driver should support a firmware feature called RSDB, which stands for Real Simultaneous Dual-Band. RSDB works almost autonomously in firmware except for AP config. When the device supports RSDB then the interface should not be brought down when configuring it, otherwise the link (if configured) on the other interface will be lost. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> [kvalo@codeaurora.org: changed the commit log based on discussion] Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c4
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c1
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h5
3 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index deb5f78dcacc..8a3c9fa171ee 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -4183,7 +4183,9 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
}
}
- if (dev_role == NL80211_IFTYPE_AP) {
+ if ((dev_role == NL80211_IFTYPE_AP) &&
+ ((ifp->ifidx == 0) ||
+ !brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB))) {
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
if (err < 0) {
brcmf_err("BRCMF_C_DOWN error %d\n", err);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
index 44bb30636690..ba5249403036 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
@@ -137,6 +137,7 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
if (drvr->bus_if->chip != BRCM_CC_43362_CHIP_ID)
brcmf_feat_iovar_int_set(ifp, BRCMF_FEAT_MBSS, "mbss", 0);
brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_P2P, "p2p");
+ brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_RSDB, "rsdb_mode");
if (brcmf_feature_disable) {
brcmf_dbg(INFO, "Features: 0x%02x, disable: 0x%02x\n",
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h
index 6b381f799f22..538175882c8a 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h
@@ -24,13 +24,16 @@
* PNO: preferred network offload.
* WOWL: Wake-On-WLAN.
* P2P: peer-to-peer
+ * RSDB: Real Simultaneous Dual Band
*/
#define BRCMF_FEAT_LIST \
BRCMF_FEAT_DEF(MBSS) \
BRCMF_FEAT_DEF(MCHAN) \
BRCMF_FEAT_DEF(PNO) \
BRCMF_FEAT_DEF(WOWL) \
- BRCMF_FEAT_DEF(P2P)
+ BRCMF_FEAT_DEF(P2P) \
+ BRCMF_FEAT_DEF(RSDB)
+
/*
* Quirks:
*