summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/brcm80211
diff options
context:
space:
mode:
authorArend van Spriel <arend@broadcom.com>2012-10-22 10:36:22 -0700
committerJohn W. Linville <linville@tuxdriver.com>2012-10-29 15:28:26 -0400
commit6e186166ea0259f7ef9cb2393317126003c13680 (patch)
tree6949d78775f245e273a33d63f99aeef1dfef65d9 /drivers/net/wireless/brcm80211
parentec5a07d5c4a830f5339d7a808e20562e037059d1 (diff)
downloadblackbird-op-linux-6e186166ea0259f7ef9cb2393317126003c13680.tar.gz
blackbird-op-linux-6e186166ea0259f7ef9cb2393317126003c13680.zip
brcmfmac: add function converting ieee80211_channel to chanspec
The firmware carries channel information in a different format as the provided ieee80211_channel structure. Conversion is needed when receiving requests from cfg80211 carrying ieee80211_channel structures. This patch adds a utility function to do that. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c52
1 files changed, 27 insertions, 25 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index cb491d9278f5..5a3093d2b117 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -392,6 +392,31 @@ static u8 brcmf_mw_to_qdbm(u16 mw)
return qdbm;
}
+static u16 channel_to_chanspec(struct ieee80211_channel *ch)
+{
+ u16 chanspec;
+
+ chanspec = ieee80211_frequency_to_channel(ch->center_freq);
+ chanspec &= WL_CHANSPEC_CHAN_MASK;
+
+ if (ch->band == IEEE80211_BAND_2GHZ)
+ chanspec |= WL_CHANSPEC_BAND_2G;
+ else
+ chanspec |= WL_CHANSPEC_BAND_5G;
+
+ if (ch->flags & IEEE80211_CHAN_NO_HT40) {
+ chanspec |= WL_CHANSPEC_BW_20;
+ chanspec |= WL_CHANSPEC_CTL_SB_NONE;
+ } else {
+ chanspec |= WL_CHANSPEC_BW_40;
+ if (ch->flags & IEEE80211_CHAN_NO_HT40PLUS)
+ chanspec |= WL_CHANSPEC_CTL_SB_LOWER;
+ else
+ chanspec |= WL_CHANSPEC_CTL_SB_UPPER;
+ }
+ return chanspec;
+}
+
static void convert_key_from_CPU(struct brcmf_wsec_key *key,
struct brcmf_wsec_key_le *key_le)
{
@@ -701,8 +726,6 @@ static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le,
s32 i;
s32 offset;
u16 chanspec;
- u16 channel;
- struct ieee80211_channel *req_channel;
char *ptr;
struct brcmf_ssid_le ssid_le;
@@ -726,30 +749,9 @@ static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le,
WL_SCAN("### List of channelspecs to scan ### %d\n", n_channels);
if (n_channels > 0) {
for (i = 0; i < n_channels; i++) {
- chanspec = 0;
- req_channel = request->channels[i];
- channel = ieee80211_frequency_to_channel(
- req_channel->center_freq);
- if (req_channel->band == IEEE80211_BAND_2GHZ)
- chanspec |= WL_CHANSPEC_BAND_2G;
- else
- chanspec |= WL_CHANSPEC_BAND_5G;
-
- if (req_channel->flags & IEEE80211_CHAN_NO_HT40) {
- chanspec |= WL_CHANSPEC_BW_20;
- chanspec |= WL_CHANSPEC_CTL_SB_NONE;
- } else {
- chanspec |= WL_CHANSPEC_BW_40;
- if (req_channel->flags &
- IEEE80211_CHAN_NO_HT40PLUS)
- chanspec |= WL_CHANSPEC_CTL_SB_LOWER;
- else
- chanspec |= WL_CHANSPEC_CTL_SB_UPPER;
- }
-
- chanspec |= (channel & WL_CHANSPEC_CHAN_MASK);
+ chanspec = channel_to_chanspec(request->channels[i]);
WL_SCAN("Chan : %d, Channel spec: %x\n",
- channel, chanspec);
+ request->channels[i]->hw_value, chanspec);
params_le->channel_list[i] = cpu_to_le16(chanspec);
}
} else {
OpenPOWER on IntegriCloud