From 657c3e0c4147bb3d3fdd338e32b83b968b0f9d02 Mon Sep 17 00:00:00 2001 From: Ashok Nagarajan Date: Mon, 2 Apr 2012 21:21:20 -0700 Subject: [PATCH] mac80211: Indicate basic rates when adding rate IEs Basic rates are added with supported rates IE and extended supported rates IE. Signed-off-by: Ashok Nagarajan Signed-off-by: Thomas Pedersen Signed-off-by: John W. Linville --- include/net/mac80211.h | 5 +++-- net/mac80211/cfg.c | 12 ++++++------ net/mac80211/mesh_plink.c | 4 ++-- net/mac80211/tx.c | 4 ++-- net/mac80211/util.c | 18 ++++++++++++++---- 5 files changed, 27 insertions(+), 16 deletions(-) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 43f4609..c8ef451 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -3717,8 +3717,9 @@ void ieee80211_enable_rssi_reports(struct ieee80211_vif *vif, void ieee80211_disable_rssi_reports(struct ieee80211_vif *vif); -int ieee80211_add_srates_ie(struct ieee80211_vif *vif, struct sk_buff *skb); +int ieee80211_add_srates_ie(struct ieee80211_vif *vif, + struct sk_buff *skb, bool need_basic); int ieee80211_add_ext_srates_ie(struct ieee80211_vif *vif, - struct sk_buff *skb); + struct sk_buff *skb, bool need_basic); #endif /* MAC80211_H */ diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 83e08dc..42e1fb2 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2358,8 +2358,8 @@ ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, tf->u.setup_req.capability = cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); - ieee80211_add_srates_ie(&sdata->vif, skb); - ieee80211_add_ext_srates_ie(&sdata->vif, skb); + ieee80211_add_srates_ie(&sdata->vif, skb, false); + ieee80211_add_ext_srates_ie(&sdata->vif, skb, false); ieee80211_tdls_add_ext_capab(skb); break; case WLAN_TDLS_SETUP_RESPONSE: @@ -2372,8 +2372,8 @@ ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, tf->u.setup_resp.capability = cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); - ieee80211_add_srates_ie(&sdata->vif, skb); - ieee80211_add_ext_srates_ie(&sdata->vif, skb); + ieee80211_add_srates_ie(&sdata->vif, skb, false); + ieee80211_add_ext_srates_ie(&sdata->vif, skb, false); ieee80211_tdls_add_ext_capab(skb); break; case WLAN_TDLS_SETUP_CONFIRM: @@ -2433,8 +2433,8 @@ ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, mgmt->u.action.u.tdls_discover_resp.capability = cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); - ieee80211_add_srates_ie(&sdata->vif, skb); - ieee80211_add_ext_srates_ie(&sdata->vif, skb); + ieee80211_add_srates_ie(&sdata->vif, skb, false); + ieee80211_add_ext_srates_ie(&sdata->vif, skb, false); ieee80211_tdls_add_ext_capab(skb); break; default: diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 923269b..73fa687 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -212,8 +212,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, pos = skb_put(skb, 2); memcpy(pos + 2, &plid, 2); } - if (ieee80211_add_srates_ie(&sdata->vif, skb) || - ieee80211_add_ext_srates_ie(&sdata->vif, skb) || + if (ieee80211_add_srates_ie(&sdata->vif, skb, true) || + ieee80211_add_ext_srates_ie(&sdata->vif, skb, true) || mesh_add_rsn_ie(skb, sdata) || mesh_add_meshid_ie(skb, sdata) || mesh_add_meshconf_ie(skb, sdata)) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index daab5ad..4109ec7 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2418,9 +2418,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, *pos++ = WLAN_EID_SSID; *pos++ = 0x0; - if (ieee80211_add_srates_ie(&sdata->vif, skb) || + if (ieee80211_add_srates_ie(&sdata->vif, skb, true) || mesh_add_ds_params_ie(skb, sdata) || - ieee80211_add_ext_srates_ie(&sdata->vif, skb) || + ieee80211_add_ext_srates_ie(&sdata->vif, skb, true) || mesh_add_rsn_ie(skb, sdata) || mesh_add_ht_cap_ie(skb, sdata) || mesh_add_ht_oper_ie(skb, sdata) || diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 471a831..468a18e 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1683,13 +1683,15 @@ ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper) return channel_type; } -int ieee80211_add_srates_ie(struct ieee80211_vif *vif, struct sk_buff *skb) +int ieee80211_add_srates_ie(struct ieee80211_vif *vif, + struct sk_buff *skb, bool need_basic) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); struct ieee80211_local *local = sdata->local; struct ieee80211_supported_band *sband; int rate; u8 i, rates, *pos; + u32 basic_rates = vif->bss_conf.basic_rates; sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; rates = sband->n_bitrates; @@ -1703,20 +1705,25 @@ int ieee80211_add_srates_ie(struct ieee80211_vif *vif, struct sk_buff *skb) *pos++ = WLAN_EID_SUPP_RATES; *pos++ = rates; for (i = 0; i < rates; i++) { + u8 basic = 0; + if (need_basic && basic_rates & BIT(i)) + basic = 0x80; rate = sband->bitrates[i].bitrate; - *pos++ = (u8) (rate / 5); + *pos++ = basic | (u8) (rate / 5); } return 0; } -int ieee80211_add_ext_srates_ie(struct ieee80211_vif *vif, struct sk_buff *skb) +int ieee80211_add_ext_srates_ie(struct ieee80211_vif *vif, + struct sk_buff *skb, bool need_basic) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); struct ieee80211_local *local = sdata->local; struct ieee80211_supported_band *sband; int rate; u8 i, exrates, *pos; + u32 basic_rates = vif->bss_conf.basic_rates; sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; exrates = sband->n_bitrates; @@ -1733,8 +1740,11 @@ int ieee80211_add_ext_srates_ie(struct ieee80211_vif *vif, struct sk_buff *skb) *pos++ = WLAN_EID_EXT_SUPP_RATES; *pos++ = exrates; for (i = 8; i < sband->n_bitrates; i++) { + u8 basic = 0; + if (need_basic && basic_rates & BIT(i)) + basic = 0x80; rate = sband->bitrates[i].bitrate; - *pos++ = (u8) (rate / 5); + *pos++ = basic | (u8) (rate / 5); } } return 0; -- 2.7.4