Return-path: Received: from mail-gy0-f174.google.com ([209.85.160.174]:49168 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751042Ab1JTSe7 (ORCPT ); Thu, 20 Oct 2011 14:34:59 -0400 Received: by mail-gy0-f174.google.com with SMTP id 13so3086542gyb.19 for ; Thu, 20 Oct 2011 11:34:59 -0700 (PDT) From: Thomas Pedersen To: linux-wireless@vger.kernel.org Cc: Thomas Pedersen , johannes@sipsolutions.net, linville@tuxdriver.com Subject: [PATCH v2 2/6] mac80211: add HT IEs to mesh frames Date: Thu, 20 Oct 2011 11:34:35 -0700 Message-Id: <1319135679-6740-3-git-send-email-thomas@cozybit.com> (sfid-20111020_203501_291401_8754FAB8) In-Reply-To: <1319135679-6740-1-git-send-email-thomas@cozybit.com> References: <1319135679-6740-1-git-send-email-thomas@cozybit.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Signed-off-by: Thomas Pedersen Signed-off-by: Ashok Nagarajan --- net/mac80211/mesh.c | 43 +++++++++++++++++++++++++++++++++++++++++++ net/mac80211/mesh.h | 4 ++++ net/mac80211/mesh_plink.c | 9 +++++++++ net/mac80211/tx.c | 4 ++++ 4 files changed, 60 insertions(+), 0 deletions(-) diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index a7078fd..2dc76a9 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -341,6 +341,49 @@ int mesh_add_ds_params_ie(struct sk_buff *skb, return 0; } +int mesh_add_ht_cap_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_supported_band *sband; + u8 *pos; + + sband = local->hw.wiphy->bands[local->oper_channel->band]; + if (!sband->ht_cap.ht_supported || + local->_oper_channel_type == NL80211_CHAN_NO_HT) + return 0; + + if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_cap)) + return -ENOMEM; + + pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_cap)); + ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap); + + return 0; +} + +int mesh_add_ht_info_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_channel *channel = local->oper_channel; + enum nl80211_channel_type channel_type = local->_oper_channel_type; + struct ieee80211_supported_band *sband = + local->hw.wiphy->bands[channel->band]; + struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap; + u8 *pos; + + if (!ht_cap->ht_supported || channel_type == NL80211_CHAN_NO_HT) + return 0; + + if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_info)) + return -ENOMEM; + + pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_info)); + ieee80211_ie_build_ht_info(pos, ht_cap, channel, channel_type); + + return 0; +} static void ieee80211_mesh_path_timer(unsigned long data) { struct ieee80211_sub_if_data *sdata = diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 8c00e2d..0f2c4e6 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -212,6 +212,10 @@ int mesh_add_vendor_ies(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata); int mesh_add_ds_params_ie(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata); +int mesh_add_ht_cap_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata); +int mesh_add_ht_info_ie(struct sk_buff *skb, + struct ieee80211_sub_if_data *sdata); void mesh_rmc_free(struct ieee80211_sub_if_data *sdata); int mesh_rmc_init(struct ieee80211_sub_if_data *sdata); void ieee80211s_init(void); diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 42a0544..bbfbd45 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -168,6 +168,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, 2 + (IEEE80211_MAX_SUPP_RATES - 8) + 2 + sdata->u.mesh.mesh_id_len + 2 + sizeof(struct ieee80211_meshconf_ie) + + 2 + sizeof(struct ieee80211_ht_cap) + + 2 + sizeof(struct ieee80211_ht_info) + 2 + 8 + /* peering IE */ sdata->u.mesh.ie_len); if (!skb) @@ -244,6 +246,13 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, memcpy(pos, &reason, 2); pos += 2; } + + if (action != WLAN_SP_MESH_PEERING_CLOSE) { + if (mesh_add_ht_cap_ie(skb, sdata) || + mesh_add_ht_info_ie(skb, sdata)) + return -1; + } + if (mesh_add_vendor_ies(skb, sdata)) return -1; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index f28a920..faca189 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2290,6 +2290,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, 2 + 8 + /* supported rates */ 2 + 3 + /* DS params */ 2 + (IEEE80211_MAX_SUPP_RATES - 8) + + 2 + sizeof(struct ieee80211_ht_cap) + + 2 + sizeof(struct ieee80211_ht_info) + 2 + sdata->u.mesh.mesh_id_len + 2 + sizeof(struct ieee80211_meshconf_ie) + sdata->u.mesh.ie_len); @@ -2318,6 +2320,8 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw, mesh_add_ds_params_ie(skb, sdata) || ieee80211_add_ext_srates_ie(&sdata->vif, skb) || mesh_add_rsn_ie(skb, sdata) || + mesh_add_ht_cap_ie(skb, sdata) || + mesh_add_ht_info_ie(skb, sdata) || mesh_add_meshid_ie(skb, sdata) || mesh_add_meshconf_ie(skb, sdata) || mesh_add_vendor_ies(skb, sdata)) { -- 1.7.5.4