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Request Date: Wed, 13 May 2020 12:45:01 -0700 Message-Id: <1589399105-25472-7-git-send-email-rmanohar@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1589399105-25472-1-git-send-email-rmanohar@codeaurora.org> References: <1589399105-25472-1-git-send-email-rmanohar@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200513_124538_406164_5ED0D116 X-CRM114-Status: GOOD ( 13.71 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [104.130.122.27 listed in wl.mailspike.net] -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [104.130.122.27 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, Rajkumar Manoharan MIME-Version: 1.0 Sender: "ath11k" Errors-To: ath11k-bounces+patchwork-ath11k=patchwork.kernel.org@lists.infradead.org Construct HE 6 GHz band capability element element (IEEE 802.11ax/D6.0, 9.4.2.261) for association request and mesh beacon. The 6 GHz capability information is passed by driver through iftypes caps. Signed-off-by: Rajkumar Manoharan --- net/mac80211/ieee80211_i.h | 1 + net/mac80211/mesh.c | 34 ++++++++++++++++++++++++++++++++++ net/mac80211/mesh.h | 2 ++ net/mac80211/mesh_plink.c | 3 ++- net/mac80211/mlme.c | 12 ++++++++++-- net/mac80211/util.c | 15 +++++++++++++++ 6 files changed, 64 insertions(+), 3 deletions(-) diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 78a95a11458c..6517a56970b7 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -2174,6 +2174,7 @@ u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype); u8 *ieee80211_ie_build_he_cap(u8 *pos, const struct ieee80211_sta_he_cap *he_cap, u8 *end); +u8 *ieee80211_ie_build_he_6ghz_band_cap(u8 *pos, u16 he_6ghz_cap); u8 *ieee80211_ie_build_he_oper(u8 *pos); int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef, const struct ieee80211_supported_band *sband, diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 36978a0e5000..2ca34869538d 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -587,6 +587,39 @@ int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata, return 0; } +int mesh_add_he_6ghz_cap_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) +{ + const struct ieee80211_sta_he_cap *he_cap; + struct ieee80211_supported_band *sband; + u8 ie_len; + u8 *pos; + + sband = ieee80211_get_sband(sdata); + if (!sband) + return -EINVAL; + + he_cap = ieee80211_get_he_iftype_cap(sband, NL80211_IFTYPE_MESH_POINT); + + if (!he_cap || + sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT || + sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 || + sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10) + return 0; + + if (!he_cap->has_he_6ghz) + return 0; + + ie_len = 2 + 1 + sizeof(struct ieee80211_he_6ghz_band_cap); + if (skb_tailroom(skb) < ie_len) + return -ENOMEM; + + pos = skb_put(skb, ie_len); + ieee80211_ie_build_he_6ghz_band_cap(pos, he_cap->he_6ghz.cap); + + return 0; +} + static void ieee80211_mesh_path_timer(struct timer_list *t) { struct ieee80211_sub_if_data *sdata = @@ -885,6 +918,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh) mesh_add_vht_oper_ie(sdata, skb) || mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) || mesh_add_he_oper_ie(sdata, skb) || + mesh_add_he_6ghz_cap_ie(sdata, skb) || mesh_add_vendor_ies(sdata, skb)) goto out_free; diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 953f720754e8..40492d1bd8fd 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -222,6 +222,8 @@ int mesh_add_he_cap_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, u8 ie_len); int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); +int mesh_add_he_6ghz_cap_ie(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb); 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 e3e29b8d641d..dedb2341ebdd 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -328,7 +328,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, mesh_add_vht_cap_ie(sdata, skb) || mesh_add_vht_oper_ie(sdata, skb) || mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) || - mesh_add_he_oper_ie(sdata, skb)) + mesh_add_he_oper_ie(sdata, skb) || + mesh_add_he_6ghz_cap_ie(sdata, skb)) goto free; } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 58a082efc3b3..b4dfefd482a6 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -654,6 +654,12 @@ static void ieee80211_add_he_ie(struct ieee80211_sub_if_data *sdata, he_cap->he_cap_elem.phy_cap_info); pos = skb_put(skb, he_cap_size); ieee80211_ie_build_he_cap(pos, he_cap, pos + he_cap_size); + + if (!he_cap->has_he_6ghz) + return; + + pos = skb_put(skb, 5); /* 2 + 1 + sizeof(he_cap->he_6ghz.cap) */ + ieee80211_ie_build_he_6ghz_band_cap(pos, he_cap->he_6ghz.cap); } static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) @@ -4803,7 +4809,8 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, if (!sband->ht_cap.ht_supported) { ifmgd->flags |= IEEE80211_STA_DISABLE_HT; ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; - ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + if (sband->band != NL80211_BAND_6GHZ) + ifmgd->flags |= IEEE80211_STA_DISABLE_HE; } if (!sband->vht_cap.vht_supported) @@ -5493,7 +5500,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, if (req->flags & ASSOC_REQ_DISABLE_HT) { ifmgd->flags |= IEEE80211_STA_DISABLE_HT; ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; - ifmgd->flags |= IEEE80211_STA_DISABLE_HE; + if (sband->band != NL80211_BAND_6GHZ) + ifmgd->flags |= IEEE80211_STA_DISABLE_HE; } if (req->flags & ASSOC_REQ_DISABLE_VHT) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 5a33755c22f4..2bcebe672c0d 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -2839,6 +2839,21 @@ u8 *ieee80211_ie_build_he_cap(u8 *pos, return pos; } +u8 *ieee80211_ie_build_he_6ghz_band_cap(u8 *pos, u16 he_6ghz_cap) +{ + __le16 cap = cpu_to_le16(he_6ghz_cap); + + *pos++ = WLAN_EID_EXTENSION; + *pos++ = 3; + *pos++ = WLAN_EID_EXT_HE_6GHZ_BAND_CAP; + + /* Fixed data */ + memcpy(pos, &cap, sizeof(cap)); + pos += sizeof(cap); + + return pos; +} + u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, const struct cfg80211_chan_def *chandef, u16 prot_mode, bool rifs_mode)