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Thu, 06 Oct 2022 11:09:30 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 296B9UkY002559 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 6 Oct 2022 11:09:30 GMT Received: from [10.216.43.141] (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Thu, 6 Oct 2022 04:09:28 -0700 Message-ID: <13b44ce9-e000-cdcf-c057-b176edb6d31f@quicinc.com> Date: Thu, 6 Oct 2022 16:39:23 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.13.1 Subject: Re: [PATCH 05/28] wifi: cfg80211: support reporting failed links Content-Language: en-US To: Johannes Berg CC: References: <20221005145226.2224328320e7.I53966b9c7572fe1a08a7dc02ed29be9e1b0467fc@changeid> <0e354734-6f6b-8170-b453-e699fc9962e5@quicinc.com> <0fd2932c29adcc6be5fe5528d297b7deb0e0617b.camel@sipsolutions.net> From: Veerendranath Jakkam In-Reply-To: <0fd2932c29adcc6be5fe5528d297b7deb0e0617b.camel@sipsolutions.net> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: hj74eK2pFKY0zcOaKIVuiQCyElaeEX13 X-Proofpoint-GUID: hj74eK2pFKY0zcOaKIVuiQCyElaeEX13 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-10-05_05,2022-10-06_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 clxscore=1015 suspectscore=0 phishscore=0 spamscore=0 priorityscore=1501 bulkscore=0 mlxscore=0 impostorscore=0 mlxlogscore=748 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210060067 X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_LOW, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On 10/6/2022 4:21 PM, Johannes Berg wrote: > On Thu, 2022-10-06 at 16:19 +0530, Veerendranath Jakkam wrote: >> I think similar enhancement needed for cfg80211_roamed/NL80211_CMD_ROAM >> also to know accepted and rejected links info during roaming. >> > Not sure, in that case we might care only about the successful links > since wpa_s didn't request the others, so maybe it doesn't matter? Drivers can offload EAPOL 4WHS to wpa_supplicant during roaming with non-FT AKMs. In that case supplicant needs to know rejected links info to validate AP's MLO Link KDEs in 3/4 frame. Ex: Driver handles only re-association request and response frames while doing roaming with non-FT AKM then offload 4WHS to wpa_supplicant > > In any case, I have no driver I deal with that would ever use this API, > so I can't really do anything about it. No problem, I will post the required changes for cfg80211_roamed/NL80211_CMD_ROAM path, hope that is fine. > > johannes