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brcmfmac: provide VHT capability information to user-space

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Although brcmfmac support several 11ac devices it did not advertise
VHT related information to cfg80211.

Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
This commit is contained in:
Arend van Spriel 2014-05-12 10:47:35 +02:00 committed by John W. Linville
parent 4439cbcd37
commit 18d6c535ce
1 changed files with 59 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
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@ -5313,13 +5313,63 @@ static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
}
}
static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
u32 bw_cap[2], u32 nchain)
{
band->ht_cap.ht_supported = true;
if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
}
band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
}
static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
{
u16 mcs_map;
int i;
for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
mcs_map = (mcs_map << 2) | supp;
return cpu_to_le16(mcs_map);
}
static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
u32 bw_cap[2], u32 nchain)
{
__le16 mcs_map;
/* not allowed in 2.4G band */
if (band->band == IEEE80211_BAND_2GHZ)
return;
band->vht_cap.vht_supported = true;
/* 80MHz is mandatory */
band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
}
/* all support 256-QAM */
mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
}
static s32 brcmf_update_wiphybands(struct brcmf_cfg80211_info *cfg)
{
struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
struct wiphy *wiphy;
s32 phy_list;
u32 band_list[3];
u32 nmode;
u32 nmode = 0;
u32 vhtmode = 0;
u32 bw_cap[2] = { 0, 0 };
u32 rxchain;
u32 nchain;
@ -5350,14 +5400,16 @@ static s32 brcmf_update_wiphybands(struct brcmf_cfg80211_info *cfg)
brcmf_dbg(INFO, "BRCMF_C_GET_BANDLIST reported: 0x%08x 0x%08x 0x%08x phy\n",
band_list[0], band_list[1], band_list[2]);
(void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
if (err) {
brcmf_err("nmode error (%d)\n", err);
} else {
brcmf_get_bwcap(ifp, bw_cap);
}
brcmf_dbg(INFO, "nmode=%d, bw_cap=(%d, %d)\n", nmode,
bw_cap[IEEE80211_BAND_2GHZ], bw_cap[IEEE80211_BAND_5GHZ]);
brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
bw_cap[IEEE80211_BAND_5GHZ]);
err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
if (err) {
@ -5388,17 +5440,10 @@ static s32 brcmf_update_wiphybands(struct brcmf_cfg80211_info *cfg)
else
continue;
if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
}
band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
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;
memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
if (nmode)
brcmf_update_ht_cap(band, bw_cap, nchain);
if (vhtmode)
brcmf_update_vht_cap(band, bw_cap, nchain);
bands[band->band] = band;
}