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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b3bbe5b0201sm1014043a12.31.2025.07.09.22.34.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Jul 2025 22:34:40 -0700 (PDT) From: Aditya Kumar Singh Date: Thu, 10 Jul 2025 11:04:27 +0530 Subject: [PATCH wireless-next v2 1/2] wifi: cfg80211: parse attribute to update unsolicited probe response template Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250710-update_unsol_bcast_probe_resp-v2-1-31aca39d3b30@oss.qualcomm.com> References: <20250710-update_unsol_bcast_probe_resp-v2-0-31aca39d3b30@oss.qualcomm.com> In-Reply-To: <20250710-update_unsol_bcast_probe_resp-v2-0-31aca39d3b30@oss.qualcomm.com> To: Johannes Berg Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, Yuvarani V , Aditya Kumar Singh X-Mailer: b4 0.14.2 X-Authority-Analysis: v=2.4 cv=dYuA3WXe c=1 sm=1 tr=0 ts=686f50f2 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=E4CoA09qZ1gvW9aZS_EA:9 a=QEXdDO2ut3YA:10 a=zc0IvFSfCIW2DFIPzwfm:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzEwMDA0NSBTYWx0ZWRfX6bbHEwpWDSVm /WQmdM2yuEYt+unYvhiydFoO7gR5C+E4FkAJR4S0g1YXmOcor5fJZT7OV9KLdf5YQWBkVHpb7++ Dz7bw4JOceuJc72HBIRX4P4wrt0EaWrbryBUdwM9BjXXG7O98DstyHAAb9cfEPPy4EoTrQ+v3ft 4lRjn32gAG4K08eh9Xn8/rKHJVDv9yldWQNtn+nMOzfTS/85Saw4fIf9C4889/aExahQiaxz/QU ql3OL1JJyqfWoBK75gDBcxWg7C8R1zXTBBemlO585aAytGb2BVKbzKCIwnA1Y2II5Bbp/pT+LUJ 4ST27tKVIo2jZ7+8wqwxGFhM0iKQ56VuVRRpDOxrJCZuJZrkVllrNCzwlxYaExBzNUtuNrGl+eJ lbvz+xd91PizueNfckCEkBB/f2nY18adTXfTU+6zC6lOkgoD/s21s5SaX9gOs9gkVYtfM7+l X-Proofpoint-GUID: Sw1E3Hg_9O7dZlcvNqLNjeiN3wrxnl-N X-Proofpoint-ORIG-GUID: Sw1E3Hg_9O7dZlcvNqLNjeiN3wrxnl-N X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-09_05,2025-07-09_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 adultscore=0 mlxlogscore=999 malwarescore=0 mlxscore=0 bulkscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507100045 From: Yuvarani V At present, the updated unsolicited broadcast probe response template is not processed during userspace commands such as channel switch or color change. This leads to an issue where older incorrect unsolicited probe response is still used during these events. Add support to parse the netlink attribute and store it so that mac80211/drivers can use it to set the BSS_CHANGED_UNSOL_BCAST_PROBE_RESP flag in order to send the updated unsolicited broadcast probe response templates during these events. Signed-off-by: Yuvarani V Signed-off-by: Aditya Kumar Singh --- include/net/cfg80211.h | 4 ++++ net/wireless/nl80211.c | 18 ++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 6ec9a8865b8b082e235493ca64adf0fc60ec0175..08eec6fc820aa50d09d9bb047ee= 7dc96e256bc70 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1526,6 +1526,7 @@ struct cfg80211_ap_update { * @n_counter_offsets_beacon: number of csa counters the beacon (tail) * @n_counter_offsets_presp: number of csa counters in the probe response * @beacon_after: beacon data to be used on the new channel + * @unsol_bcast_probe_resp: Unsolicited broadcast probe response parameters * @radar_required: whether radar detection is required on the new channel * @block_tx: whether transmissions should be blocked while changing * @count: number of beacons until switch @@ -1540,6 +1541,7 @@ struct cfg80211_csa_settings { unsigned int n_counter_offsets_beacon; unsigned int n_counter_offsets_presp; struct cfg80211_beacon_data beacon_after; + struct cfg80211_unsol_bcast_probe_resp unsol_bcast_probe_resp; bool radar_required; bool block_tx; u8 count; @@ -1555,6 +1557,7 @@ struct cfg80211_csa_settings { * @counter_offset_beacon: offsets of the counters within the beacon (tail) * @counter_offset_presp: offsets of the counters within the probe response * @beacon_next: beacon data to be used after the color change + * @unsol_bcast_probe_resp: Unsolicited broadcast probe response parameters * @count: number of beacons until the color change * @color: the color used after the change * @link_id: defines the link on which color change is expected during MLO. @@ -1565,6 +1568,7 @@ struct cfg80211_color_change_settings { u16 counter_offset_beacon; u16 counter_offset_presp; struct cfg80211_beacon_data beacon_next; + struct cfg80211_unsol_bcast_probe_resp unsol_bcast_probe_resp; u8 count; u8 color; u8 link_id; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 05538312bdadc7545b771f22d8aee14cd1edf5a0..0468464fa49fcb73f88099f8c4f= 66b54e8adbe09 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -10992,6 +10992,16 @@ static int nl80211_channel_switch(struct sk_buff *= skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) params.block_tx =3D true; 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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b3bbe5b0201sm1014043a12.31.2025.07.09.22.34.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Jul 2025 22:34:42 -0700 (PDT) From: Aditya Kumar Singh Date: Thu, 10 Jul 2025 11:04:28 +0530 Subject: [PATCH wireless-next v2 2/2] wifi: mac80211: parse unsolicited broadcast probe response data Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250710-update_unsol_bcast_probe_resp-v2-2-31aca39d3b30@oss.qualcomm.com> References: <20250710-update_unsol_bcast_probe_resp-v2-0-31aca39d3b30@oss.qualcomm.com> In-Reply-To: <20250710-update_unsol_bcast_probe_resp-v2-0-31aca39d3b30@oss.qualcomm.com> To: Johannes Berg Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, Yuvarani V , Aditya Kumar Singh X-Mailer: b4 0.14.2 X-Proofpoint-GUID: eOMgwUcooNSGYXhPP7cFspW1BpDXj2sX X-Proofpoint-ORIG-GUID: eOMgwUcooNSGYXhPP7cFspW1BpDXj2sX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzEwMDA0NSBTYWx0ZWRfX72vTruFdMiFn OUQZ4yjfqmkACWWXYBoku462H6XGJLZopZgQCwcnB+lDrXFVELV8sGr9rmQt8u3kFDYI16OgxQs 04z2DLberIYvFwYMc3oNQ6fattR/s9Uv8a4KjiL2098+R440goJ6l8NIyjoQwf1wmduEGjiUSsx Mz4d+49OljNC4vLiG6EyPZ0J+N4kM8RedY7UWA/D7yDGUrTdmX0WvAiDMvFnfCVgJGUgigHDiYm tF59M+MAdJqcWzZ/8wnp3I3eMdZcIHZyt1u+CN8YPWI5EPPcuoI2yqXBwbfQPcebtWfVybutGql K5VGI9qjCXfcM3YV/oPAsH1BApqqYMdIb2aAE07LZ5XzDJZgNvNIlHYz4hqniYhXrMLQWUwkgPz 4mjA5vy4S5k5Qat8+9s2Oic3SyyLYTuT7mOssfMeN/iyzaYKzVdfx+9uWcJuJHaamkUhmq4g X-Authority-Analysis: v=2.4 cv=BM+zrEQG c=1 sm=1 tr=0 ts=686f50f4 cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=GDPEl8sVpxXbRvpnLXsA:9 a=QEXdDO2ut3YA:10 a=x9snwWr2DeNwDh03kgHS:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-09_05,2025-07-09_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 spamscore=0 adultscore=0 lowpriorityscore=0 suspectscore=0 mlxscore=0 mlxlogscore=999 priorityscore=1501 malwarescore=0 clxscore=1015 impostorscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507100045 From: Yuvarani V During commands like channel switch and color change, the updated unsolicited broadcast probe response template may be provided. However, this data is not parsed or acted upon in mac80211. Add support to parse it and set the BSS changed flag BSS_CHANGED_UNSOL_BCAST_PROBE_RESP so that drivers could take further action. Signed-off-by: Yuvarani V Signed-off-by: Aditya Kumar Singh --- net/mac80211/cfg.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 56540c3701ed786c37f946f9c4af820c15b5922d..cdecda1bd07b31cb7d8bd76eed0= 74ecc2a828eb1 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -4173,6 +4173,12 @@ __ieee80211_channel_switch(struct wiphy *wiphy, stru= ct net_device *dev, goto out; } =20 + err =3D ieee80211_set_unsol_bcast_probe_resp(sdata, + ¶ms->unsol_bcast_probe_resp, + link_data, link_conf, &changed); + if (err) + goto out; + chanctx =3D container_of(conf, struct ieee80211_chanctx, conf); =20 ch_switch.timestamp =3D 0; @@ -5114,6 +5120,12 @@ ieee80211_color_change(struct wiphy *wiphy, struct n= et_device *dev, goto out; } =20 + err =3D ieee80211_set_unsol_bcast_probe_resp(sdata, + ¶ms->unsol_bcast_probe_resp, + link, link_conf, &changed); + if (err) + goto out; + err =3D ieee80211_set_color_change_beacon(link, params, &changed); if (err) goto out; --=20 2.34.1