From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DE0333C23 for ; Mon, 19 Jun 2023 10:38:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 669D8C433C8; Mon, 19 Jun 2023 10:38:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1687171102; bh=LFhSZaWrLkPi69TGqTKhasEZ06KWUxtIGozV4/e72Is=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mK1xEAbssmnvTW3AFYkT6fgV+c6DtAwRqqbT2/r7PxydnWOgFezvl6M8m4ovt2Dz/ 2iZKD1GE8MpTB1p+sxP70gTZi0zxPnPXTWj9nk05tMS55uR+bpjJl6/WLfz0YFdXbH Uti1IXbGQmcegvPr11Brbo8ZSySrx01sCBA4kaLg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Benjamin Berg , Gregory Greenman , Johannes Berg , Sasha Levin Subject: [PATCH 6.3 148/187] wifi: mac80211: fragment per STA profile correctly Date: Mon, 19 Jun 2023 12:29:26 +0200 Message-ID: <20230619102204.798771389@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230619102157.579823843@linuxfoundation.org> References: <20230619102157.579823843@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Benjamin Berg [ Upstream commit d094482c9974a543851a18a1c587a7d132a81659 ] When fragmenting the ML per STA profile, the element ID should be IEEE80211_MLE_SUBELEM_PER_STA_PROFILE rather than WLAN_EID_FRAGMENT. Change the helper function to take the to be used element ID and pass the appropriate value for each of the fragmentation levels. Fixes: 81151ce462e5 ("wifi: mac80211: support MLO authentication/association with one link") Signed-off-by: Benjamin Berg Signed-off-by: Gregory Greenman Link: https://lore.kernel.org/r/20230611121219.9b5c793d904b.I7dad952bea8e555e2f3139fbd415d0cd2b3a08c3@changeid Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- net/mac80211/ieee80211_i.h | 2 +- net/mac80211/mlme.c | 5 +++-- net/mac80211/util.c | 4 ++-- 3 files changed, 6 insertions(+), 5 deletions(-) diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index eba7ae63fac45..347030b9bb9e3 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -2272,7 +2272,7 @@ ieee802_11_parse_elems(const u8 *start, size_t len, bool action, return ieee802_11_parse_elems_crc(start, len, action, 0, 0, bss); } -void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos); +void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos, u8 frag_id); extern const int ieee802_1d_to_ac[8]; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 7a970b6dda640..d28a35c538bac 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1372,10 +1372,11 @@ static void ieee80211_assoc_add_ml_elem(struct ieee80211_sub_if_data *sdata, ieee80211_add_non_inheritance_elem(skb, outer_present_elems, link_present_elems); - ieee80211_fragment_element(skb, subelem_len); + ieee80211_fragment_element(skb, subelem_len, + IEEE80211_MLE_SUBELEM_FRAGMENT); } - ieee80211_fragment_element(skb, ml_elem_len); + ieee80211_fragment_element(skb, ml_elem_len, WLAN_EID_FRAGMENT); } static int ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index d7b382866b260..1a0d38cd46337 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -4955,7 +4955,7 @@ u8 *ieee80211_ie_build_eht_cap(u8 *pos, return pos; } -void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos) +void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos, u8 frag_id) { unsigned int elem_len; @@ -4975,7 +4975,7 @@ void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos) memmove(len_pos + 255 + 3, len_pos + 255 + 1, elem_len); /* place the fragment ID */ len_pos += 255 + 1; - *len_pos = WLAN_EID_FRAGMENT; + *len_pos = frag_id; /* and point to fragment length to update later */ len_pos++; } -- 2.39.2