diff options
| author | Arend van Spriel <arend@broadcom.com> | 2014-03-20 10:18:03 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-03-20 11:55:41 -0400 |
| commit | 67b3bd4e65f0854aca70e0134d59b1daede49504 (patch) | |
| tree | 8bf7be73c0c87ca95f89a180bffae09021afe642 | |
| parent | 4d1a4f16c96d3f4cf6afd92ca3ffb4d2c24875e1 (diff) | |
brcmfmac: fallback to mimo_bw_cap for older firmwares
In order to support the driver behaviour introduced by:
commit d0575a5a703978c43e25128421158c78534ba100
Author: Daniel Kim <dekim@broadcom.com>
Date: Wed Mar 12 18:12:14 2014 -0700
brcmfmac: Enable 40MHz bandwidth in 2GHz band and OBSS scanning
in devices that do not support bwcap firmware command a fallback
is added.
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 428b4cb94da..e0e649aab8d 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -4930,16 +4930,27 @@ static void init_vif_event(struct brcmf_cfg80211_vif_event *event) mutex_init(&event->vif_event_lock); } -static int brcmf_set_bwcap(struct brcmf_if *ifp, u32 band, u32 bw_cap) +static int brcmf_enable_bw40_2g(struct brcmf_if *ifp) { struct brcmf_fil_bwcap_le band_bwcap; + u32 val; int err; - band_bwcap.band = cpu_to_le32(band); - band_bwcap.bw_cap = cpu_to_le32(bw_cap); - err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap, - sizeof(band_bwcap)); + /* verify support for bw_cap command */ + val = WLC_BAND_5G; + err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val); + if (!err) { + /* only set 2G bandwidth using bw_cap command */ + band_bwcap.band = cpu_to_le32(WLC_BAND_2G); + band_bwcap.bw_cap = cpu_to_le32(WLC_BW_40MHZ_BIT); + err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap, + sizeof(band_bwcap)); + } else { + brcmf_dbg(INFO, "fallback to mimo_bw_cap\n"); + val = WLC_N_BW_40ALL; + err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val); + } return err; } @@ -5005,11 +5016,10 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, */ if (wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { - err = brcmf_set_bwcap(ifp, WLC_BAND_2G, WLC_BW_CAP_40MHZ); - if (!err) { + err = brcmf_enable_bw40_2g(ifp); + if (!err) err = brcmf_fil_iovar_int_set(ifp, "obss_coex", BRCMF_OBSS_COEX_AUTO); - } } err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1); |