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brcmfmac: Correct mcs index report 

There is a mismatch between the mcs index(0-7) reported to cfg80211
and the actual mcs index(0-15) in use. This patch resolves the mismatch
by setting mcs info with the number of chains read from FW.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Daniel Kim <dekim@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
wifi-calibration
Daniel Kim 2014-02-25 20:30:36 +01:00 committed by John W. Linville
parent 81c7883c46
commit 4aca7a185a
1 changed files with 13 additions and 4 deletions
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17
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
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@ -5306,6 +5306,8 @@ static s32 brcmf_update_wiphybands(struct brcmf_cfg80211_info *cfg)
u32 band_list[3];
u32 nmode;
u32 bw_cap[2] = { 0, 0 };
u32 rxchain;
u32 nchain;
s8 phy;
s32 err;
u32 nband;
@ -5342,6 +5344,16 @@ static s32 brcmf_update_wiphybands(struct brcmf_cfg80211_info *cfg)
brcmf_dbg(INFO, "nmode=%d, bw_cap=(%d, %d)\n", nmode,
bw_cap[IEEE80211_BAND_2GHZ], bw_cap[IEEE80211_BAND_5GHZ]);
err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
if (err) {
brcmf_err("rxchain error (%d)\n", err);
nchain = 1;
} else {
for (nchain = 0; rxchain; nchain++)
rxchain = rxchain & (rxchain - 1);
}
brcmf_dbg(INFO, "nchain=%d\n", nchain);
err = brcmf_construct_reginfo(cfg, bw_cap);
if (err) {
brcmf_err("brcmf_construct_reginfo failed (%d)\n", err);
@ -5370,10 +5382,7 @@ static s32 brcmf_update_wiphybands(struct brcmf_cfg80211_info *cfg)
band->ht_cap.ht_supported = true;
band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
/* An HT shall support all EQM rates for one spatial
* stream
*/
band->ht_cap.mcs.rx_mask[0] = 0xff;
memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
bands[band->band] = band;
}