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[209.132.180.67]) by mx.google.com with ESMTP id r66si5281251oie.255.2020.02.03.23.36.36; Mon, 03 Feb 2020 23:37:03 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727002AbgBDHcb (ORCPT + 99 others); Tue, 4 Feb 2020 02:32:31 -0500 Received: from smail.rz.tu-ilmenau.de ([141.24.186.67]:53166 "EHLO smail.rz.tu-ilmenau.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725834AbgBDHcb (ORCPT ); Tue, 4 Feb 2020 02:32:31 -0500 Received: from [141.24.212.108] (thunderstorm.prakinf.tu-ilmenau.de [141.24.212.108]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smail.rz.tu-ilmenau.de (Postfix) with ESMTPSA id 9B85E580065; Tue, 4 Feb 2020 08:32:29 +0100 (CET) Subject: Re: SOCK_WIFI_STATUS for control port over nl80211? To: Johannes Berg , linux-wireless@vger.kernel.org References: <43d429f0-5948-46d0-ef98-378dfb4ca0f0@tu-ilmenau.de> <1c90ea159042d923504aaaeaf45536c6579a17e8.camel@sipsolutions.net> From: Markus Theil Autocrypt: addr=markus.theil@tu-ilmenau.de; prefer-encrypt=mutual; keydata= xsFNBFcopAYBEADBcwd5L8+T0zgqq4kYY4nQt6CYh5sOalHdI3zNE6fWbRbzQwViIlC9Q0q/ ys+nMmQajMWHalsgcdeVSQ2GJ/06qhtogCpmL3d2/GdlvVROh33zeqwqevscKvPH5i7oiBhh dMs8/5g89q4aTYtyaausy8qQbv3Q8BCVkwFW2pEcqfxNKgWi/8nM2A3powNA9gzCR2rmoGyd nvQNkk0MCwT8JSGnUkiEYEkWF4aIr3XToavpn+OMIIIizcDzRwU5NBmC3Q07PQTn8Srr+rJQ DF65vgaoI8G7wlNLQYavL1uFX1LVMP1jVr6GMOczeURqiF/QSuHCdyT3R8P3Qknc74tGT2Ow EbxllMnk1gvSfGQq47EYIvuXFyMUWOjjtgP+NxryXVAvQBmuqWWjRjfqMSx9URhvB/ZMQLbZ LUPNW0Whl/vOQdxVbEMQOSKhKYoWKeCDe7567sEi02bMScvr6ybKBvRMs71hT1T+HFcBE/IJ g3ZX+6qRzs+XKLTFGipRbRiLYKKNR+UM/sNc/w+3BTowB9g/cQukrITvb792T4/IPBJzpEry 9eZFhFTlIqggy/fGrpZkEpEsOyOWYlRyseETvNdrdeVG7dRGPj68jKUWTVcAaAAiu8WhgnvG 4tvpaORUhjdg4DfkbE9b9lvYkeesFsE0bUAd5z2DeVbtR0QBUwARAQABzSlNYXJrdXMgVGhl aWwgPG1hcmt1cy50aGVpbEB0dS1pbG1lbmF1LmRlPsLBfQQTAQoAJwUCVyikBgIbAwUJB4Yf gAULCQgHAwUVCgkICwUWAgMBAAIeAQIXgAAKCRBt3CLaT/oEE5bzD/94Ezfl7mm57PXniW3m yIcjofJXw7YCJOprUon36W2Na2xrH3j8QH/sqkfTyCoj1LWxxDGQs+CQGkZ47cX+H1KqKKSS iGoNRV/cvoozWe7cn9bAvR3JkqLxjIi0vp68rs/f6ZI49N7zuZAsSBrXN2/2xIgH+mRoAPyw mgzaIXZL87vajXol4TlbMaC7blRs6Q4kzOP7ZjvfM/yxwUsifQltNY4wAEWKXLk67ij9akGO FG+y3sHF1HYH3w0sB+mIIN3x4BjYqXSH3XDx4xvCQXWkHmFl1RoQbJDvMjxP5/HXLR3omPjF ZpV657Grh/PgonwZ/U6sigaA11pjcPfkYNYkcGyb0OMqSKb3Ke52/bhxv4pPWrKRS7btMhj7 4zuMDk9V+De3YFXvKGllXBMAA6J8TlY71rlcOWKyBQNLLkUZ7/uAA949GTNzM0fPTRqry5qn WCR/ekzm3VyFgjWSun39L1W13bJW8aUu8k5x2KWq4YrdB0TOYZpKSAconOHVxhkEMxLwRUfZ B9kEPqlfQY5YYE6ZoZQF38Kvx3VFuAnhf+82PjMMrkQ3g07D3xJlq7xWdq1jrwG1QxmVFS64 g+oWM9IIFisvVspNrJAEgSGmYgTw+VT3PDP3Gj8sqD32mWb18bVE9I5FyagOewKdLpqcljIi Bz8WAuz+RbwX4i/mMs7BTQRXKKQGARAAzTGnHyUtTBcGHMKArcGiVnCB6knTFgU7I1gsoBrc J1bo0JRJj1lduYkdm12kC49c4dZtv1CciQIN9UEpalZsB2TXaC/xaDJ2IsZuHLOOaqSSwVg/ Bs41vMeFYmmwRRN1y6MQRCBobCC6KNuCpgtEmS/v4hurISt+MoPIppjK6E7tJQ0lgtfRHq/M HW+Wabw5Nq3OFSaLYC3nRJkoB1Vej8XGO8X6URWnZmL3xcnkIkoH13y2WTO0lJz9tF47t5U2 +xWrFMR+a6ow/QPL4Wi53IqhXDqa6OUzDAUuplZOm71VhwsEkk6u0YjzNRbgAYMBh7iye2j/ 4Lf2+YUB8+uKimpsEwW0nR85sKCQm102Zb9+1bYXPuIIP9HbVNy77X4aM9V0W48zBTqWZzh8 2i0oq8z1xN3qeuZbAXnzelKZvE1wM9cLQ3YHA629J2OGe3dkv2+untuyj6KMCEU3+vp6j7TX hKf+jy3PIrQcQmzMTs7xnkEm5LvbAtaZLrg4OGYjSpvH4bKsLA3sNGt5Xqsuqh5dsO7ccX1G nfY7Ug8UyNT5/0gZVkOileTQl0KtgwO9VBXAdrmMPHFldRn3dGNiGlCbxnsaNQDfQwTFmDu0 1TjzwC4byWLQT+C7yCTk8h9q0NwmCJ5yG7Fe7VUUpA+ZVLyMSt+tSpH8v3n+3I2AKoMAEQEA AcLBZQQYAQoADwUCVyikBgIbDAUJB4YfgAAKCRBt3CLaT/oEE7lZEACgrOxRaCQ7D5Rc4BOA N4VDIQqVch8X3pBE/k/v3UopkgmYnP4RlhegWr4wp2E6Vuyt8nwnZs3WhxQENfMjd5rV3WhG k5ib+pmLvtAht5j8jfP5+UKUTvX1a6oMi98PT8PuQ70oKM7T/KN+RpXIHoz/2Dgde1RQpwKC XWtkU9tBF87fE8FfwuqS6myOfd8zc6fOVV/fxmTXVC8qA7tB+0tOSDHB80GRYwnlumChOtOB Np8ABFWryE2e6mZZnp9Tpd1A74B45z6l445f5BixGLExAOoTJNA2k0JWx79/2Yi+pwTnQMzW QBLa48MnL3DUlVlahz1FZfGbA2U5NARS8iRdUhCaHL0Lph8HxWJwYA5w2afyCCwRD7xFo44V jsCNbqtZ6TrFARJdrbeWQl3RZ4Y+uuvN9mgvttVenAbx5d68IariYtXashucQeIMoqIloHTN sJDaupNm6+A9T3Re5yXmZsrWSxEEEGv1Bh+5DH6vauP0Ng0ebZ4c6jXfgLpPnAUWlV0rnmrJ q9141nbyLRYAhUXxiqajb+Zocp2Am4BF19rBUa1C78ooye9XShhuQvDTB6tZuiYWc24tiyqb IjR1hmG/zg8APhURAv/zUubaf4IA7v5YHVQqAbpUfb6ePlPVJBtVw2CwXFrGwnqDFh82La8D sGZPq8zmOtvOyZtafA== Organization: TU Ilmenau Message-ID: Date: Tue, 4 Feb 2020 08:32:29 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <1c90ea159042d923504aaaeaf45536c6579a17e8.camel@sipsolutions.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On 03.02.20 15:31, Johannes Berg wrote: > On Mon, 2020-02-03 at 14:50 +0100, Markus Theil wrote: >> In the last few weeks I used a wpa_supplicant with my patches for tx and >> rx over nl80211 control port and sometimes observed longer time to >> successful connection than without these patches. I think that this is a >> result of wpa_supplicant using SOCK_WIFI_STATUS when transmitting EAPOL >> frames over AF_PACKET sockets and using a fast retransmit, if the Wi-Fi >> ack is not observed timely. So the question here is, should we add an >> analog feature for tx over nl80211 control port? I think of a >> control_port_tx_status message with a cookie delivered to user-space. > Somehow I thought we treated this like the mgmt tx and already had a > notification over nl80211 going back, but looks like not? > > Then yeah, we should definitely add that. I'll take a second look on it and send a patch if necessary, but as far as I have seen, no such mechanism exists. Markus > johannes >