diff options
author | Johannes Berg <johannes@sipsolutions.net> | 2009-04-01 09:58:36 (GMT) |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2009-04-22 20:54:39 (GMT) |
commit | de95a54b1aebe5592cae971ca5e5d9ec6a381a17 (patch) | |
tree | 55a622d1e61e73cd6426c5e0643ac9fd117a9fe8 /net/mac80211/main.c | |
parent | 18a8365992a8041aa178ae9ad5f0d951d0457230 (diff) | |
download | linux-fsl-qoriq-de95a54b1aebe5592cae971ca5e5d9ec6a381a17.tar.xz |
mac80211: pass all probe request IEs to driver
Instead of just passing the cfg80211-requested IEs, pass
the locally generated ones as well.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r-- | net/mac80211/main.c | 49 |
1 files changed, 34 insertions, 15 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c index ee58a78..b3bbe78 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -729,22 +729,12 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, wiphy->privid = mac80211_wiphy_privid; - if (!ops->hw_scan) { - /* For hw_scan, driver needs to set these up. */ - wiphy->max_scan_ssids = 4; - - /* we support a maximum of 32 rates in cfg80211 */ - wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN - - 2 - 32 /* SSID */ - - 4 - 32 /* (ext) supp rates */; - - } - /* Yes, putting cfg80211_bss into ieee80211_bss is a hack */ wiphy->bss_priv_size = sizeof(struct ieee80211_bss) - sizeof(struct cfg80211_bss); local = wiphy_priv(wiphy); + local->hw.wiphy = wiphy; local->hw.priv = (char *)local + @@ -831,7 +821,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) enum ieee80211_band band; struct net_device *mdev; struct ieee80211_master_priv *mpriv; - int channels, i, j; + int channels, i, j, max_bitrates; /* * generic code guarantees at least one band, @@ -839,18 +829,23 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) * that hw.conf.channel is assigned */ channels = 0; + max_bitrates = 0; for (band = 0; band < IEEE80211_NUM_BANDS; band++) { struct ieee80211_supported_band *sband; sband = local->hw.wiphy->bands[band]; - if (sband && !local->oper_channel) { + if (!sband) + continue; + if (!local->oper_channel) { /* init channel we're on */ local->hw.conf.channel = local->oper_channel = local->scan_channel = &sband->channels[0]; } - if (sband) - channels += sband->n_channels; + channels += sband->n_channels; + + if (max_bitrates < sband->n_bitrates) + max_bitrates = sband->n_bitrates; } local->int_scan_req.n_channels = channels; @@ -870,6 +865,30 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) else if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) local->hw.wiphy->signal_type = CFG80211_SIGNAL_TYPE_UNSPEC; + /* + * Calculate scan IE length -- we need this to alloc + * memory and to subtract from the driver limit. It + * includes the (extended) supported rates and HT + * information -- SSID is the driver's responsibility. + */ + local->scan_ies_len = 4 + max_bitrates; /* (ext) supp rates */ + + if (!local->ops->hw_scan) { + /* For hw_scan, driver needs to set these up. */ + local->hw.wiphy->max_scan_ssids = 4; + local->hw.wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; + } + + /* + * If the driver supports any scan IEs, then assume the + * limit includes the IEs mac80211 will add, otherwise + * leave it at zero and let the driver sort it out; we + * still pass our IEs to the driver but userspace will + * not be allowed to in that case. + */ + if (local->hw.wiphy->max_scan_ie_len) + local->hw.wiphy->max_scan_ie_len -= local->scan_ies_len; + result = wiphy_register(local->hw.wiphy); if (result < 0) goto fail_wiphy_register; |