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From: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
To: linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: pablo-Cap9r6Oaw4JrovVCs/uTlw@public.gmane.org,
	Jamal Hadi Salim <jhs-jkUAjuhPggJWk0Htik3J/w@public.gmane.org>,
	Jiri Benc <jbenc-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	David Ahern
	<dsa-qUQiAmfTcIp+XZJcv9eMoEEOCMrvLtNR@public.gmane.org>,
	jiri-rHqAuBHg3fBzbRFIqnYvSA@public.gmane.org
Subject: [PATCH 0/5] extended netlink ACK reporting
Date: Sat,  8 Apr 2017 19:48:55 +0200	[thread overview]
Message-ID: <20170408174900.12820-1-johannes@sipsolutions.net> (raw)

Hi,

After testing and fixing the ack message length calculation,
this now works.

The UAPI changes are like before - the ACK message format becomes
 [nlmsg header]
 [ack header]
 [request nlmsg header]
 [request nlmsg body (already optional) - length aligned]
 [extended ACK TLVs - this is NEW]

The extended ACK TLVs currently are:
For the error case:
 * MSG - string message
 * OFFS - offset of problem (e.g. malformed attribute)
          in the request message
 * ATTR - missing attribute ID
For the success case:
 * COOKIE - arbitrary per-subsystem cookie to identify
            the newly created object or similar

The whole behaviour can be enabled/disabled/queried using
a new socket option NETLINK_EXT_ACK.

johannes

             reply	other threads:[~2017-04-08 17:48 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-08 17:48 Johannes Berg [this message]
2017-04-08 17:48 ` [PATCH 1/5] netlink: extended ACK reporting Johannes Berg
2017-04-08 18:26   ` David Ahern
2017-04-08 18:34   ` Jiri Pirko
2017-04-08 18:37     ` Johannes Berg
2017-04-08 18:40       ` Jiri Pirko
2017-04-08 20:13         ` Johannes Berg
2017-04-09 17:43         ` David Ahern
2017-04-10  6:18           ` Johannes Berg
     [not found]             ` <1491805089.2455.3.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2017-04-13 13:27               ` Nicolas Dichtel
2017-04-13 13:29                 ` Johannes Berg
     [not found]                   ` <1492090170.29526.1.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2017-04-13 14:05                     ` Nicolas Dichtel
     [not found]                       ` <28b0d93a-7e96-f7eb-b140-afc9ad429c30-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2017-04-13 19:24                         ` Johannes Berg
     [not found]                           ` <1492111480.29526.7.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2017-04-13 21:44                             ` Joe Stringer
     [not found]                               ` <CAPWQB7FWOcEen3SGyQtW7t2WpDNLE08JEdHeZHmM738J=Rur0g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-18  9:41                                 ` Johannes Berg
     [not found]                                   ` <1492508494.2472.11.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2017-04-18 23:46                                     ` Joe Stringer
2017-04-16 14:40                             ` second wave of netlink " Jamal Hadi Salim
     [not found]                               ` <826de765-dd18-f6a3-8e37-7b55398ad99b-jkUAjuhPggJWk0Htik3J/w@public.gmane.org>
2017-04-16 14:45                                 ` David Ahern
     [not found]                                   ` <c75ab5ec-d33e-256d-1222-590dd22c5b08-qUQiAmfTcIp+XZJcv9eMoEEOCMrvLtNR@public.gmane.org>
2017-04-16 14:48                                     ` Jamal Hadi Salim
     [not found]                                       ` <280d0c61-4506-f721-1536-4afb2daabef8-jkUAjuhPggJWk0Htik3J/w@public.gmane.org>
2017-04-16 14:50                                         ` David Ahern
2017-04-16 16:55                                 ` David Ahern
     [not found]   ` <20170408174900.12820-2-johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2017-04-08 18:36     ` [PATCH 1/5] netlink: " David Ahern
     [not found]       ` <14c58480-cd03-4d61-fffa-fab6e437a7ea-qUQiAmfTcIp+XZJcv9eMoEEOCMrvLtNR@public.gmane.org>
2017-04-08 18:37         ` Johannes Berg
2017-04-08 20:14   ` David Ahern
2017-04-08 17:48 ` [PATCH 2/5] genetlink: pass extended ACK report down Johannes Berg
     [not found] ` <20170408174900.12820-1-johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2017-04-08 17:48   ` [PATCH 3/5] netlink: allow sending extended ACK with cookie on success Johannes Berg
2017-04-08 17:48 ` [PATCH 4/5] netlink: pass extended ACK struct to parsing functions Johannes Berg
     [not found]   ` <20170408174900.12820-5-johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2017-04-08 18:50     ` David Ahern
     [not found]       ` <3077bf17-553d-f9e3-8873-c59fbb26e2aa-qUQiAmfTcIp+XZJcv9eMoEEOCMrvLtNR@public.gmane.org>
2017-04-08 20:15         ` Johannes Berg
2017-04-08 17:49 ` [PATCH 5/5] netlink: pass extended ACK struct where available Johannes Berg

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