From ee2aca343c9aa64d277a75a5df043299dc84cfd9 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 21 Feb 2013 17:36:01 +0100 Subject: cfg80211: add ability to override VHT capabilities For testing it's sometimes useful to be able to override certain VHT capability advertisement, add the ability to do that in cfg80211. Signed-off-by: Johannes Berg --- net/wireless/mlme.c | 35 ++++++++++++++++++++++++++++++++--- 1 file changed, 32 insertions(+), 3 deletions(-) (limited to 'net/wireless/mlme.c') diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 5a97ce6d283b..c82adfee7697 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -343,6 +343,23 @@ void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, p1[i] &= p2[i]; } +/* Do a logical ht_capa &= ht_capa_mask. */ +void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, + const struct ieee80211_vht_cap *vht_capa_mask) +{ + int i; + u8 *p1, *p2; + if (!vht_capa_mask) { + memset(vht_capa, 0, sizeof(*vht_capa)); + return; + } + + p1 = (u8*)(vht_capa); + p2 = (u8*)(vht_capa_mask); + for (i = 0; i < sizeof(*vht_capa); i++) + p1[i] &= p2[i]; +} + int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, struct net_device *dev, struct ieee80211_channel *chan, @@ -351,7 +368,9 @@ int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, const u8 *ie, int ie_len, bool use_mfp, struct cfg80211_crypto_settings *crypt, u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, - struct ieee80211_ht_cap *ht_capa_mask) + struct ieee80211_ht_cap *ht_capa_mask, + struct ieee80211_vht_cap *vht_capa, + struct ieee80211_vht_cap *vht_capa_mask) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_assoc_request req; @@ -388,6 +407,13 @@ int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, sizeof(req.ht_capa_mask)); cfg80211_oper_and_ht_capa(&req.ht_capa_mask, rdev->wiphy.ht_capa_mod_mask); + if (vht_capa) + memcpy(&req.vht_capa, vht_capa, sizeof(req.vht_capa)); + if (vht_capa_mask) + memcpy(&req.vht_capa_mask, vht_capa_mask, + sizeof(req.vht_capa_mask)); + cfg80211_oper_and_vht_capa(&req.vht_capa_mask, + rdev->wiphy.vht_capa_mod_mask); req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); @@ -422,7 +448,9 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, const u8 *ie, int ie_len, bool use_mfp, struct cfg80211_crypto_settings *crypt, u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, - struct ieee80211_ht_cap *ht_capa_mask) + struct ieee80211_ht_cap *ht_capa_mask, + struct ieee80211_vht_cap *vht_capa, + struct ieee80211_vht_cap *vht_capa_mask) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; @@ -431,7 +459,8 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, wdev_lock(wdev); err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, ssid, ssid_len, ie, ie_len, use_mfp, crypt, - assoc_flags, ht_capa, ht_capa_mask); + assoc_flags, ht_capa, ht_capa_mask, + vht_capa, vht_capa_mask); wdev_unlock(wdev); mutex_unlock(&rdev->devlist_mtx); -- cgit v1.2.3