From: Johannes Berg <johannes@sipsolutions.net>
To: "Felix Fietkau" <nbd@nbd.name>,
"Linus Lüssing" <linus.luessing@c0d3.blue>,
netdev@vger.kernel.org
Cc: bridge@lists.linux-foundation.org,
linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org,
"David S . Miller" <davem@davemloft.net>,
Michael Braun <michael-dev@fami-braun.de>
Subject: Re: [Bridge] [PATCH net-next] bridge: multicast to unicast
Date: Fri, 06 Jan 2017 14:54:01 +0100 [thread overview]
Message-ID: <1483710841.12677.1.camel@sipsolutions.net> (raw)
In-Reply-To: <8836daaa-9638-4502-d079-fd428595f822@nbd.name>
> The bridge layer can use IGMP snooping to ensure that the multicast
> stream is only transmitted to clients that are actually a member of
> the group. Can the mac80211 feature do the same?
No, it'll convert the packet for all clients that are behind that
netdev. But that's an argument for dropping the mac80211 feature, which
hasn't been merged upstream yet, no?
johannes
WARNING: multiple messages have this Message-ID (diff)
From: Johannes Berg <johannes@sipsolutions.net>
To: "Felix Fietkau" <nbd@nbd.name>,
"Linus Lüssing" <linus.luessing@c0d3.blue>,
netdev@vger.kernel.org
Cc: "David S . Miller" <davem@davemloft.net>,
Stephen Hemminger <stephen@networkplumber.org>,
bridge@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
linux-wireless@vger.kernel.org,
Michael Braun <michael-dev@fami-braun.de>
Subject: Re: [PATCH net-next] bridge: multicast to unicast
Date: Fri, 06 Jan 2017 14:54:01 +0100 [thread overview]
Message-ID: <1483710841.12677.1.camel@sipsolutions.net> (raw)
In-Reply-To: <8836daaa-9638-4502-d079-fd428595f822@nbd.name>
> The bridge layer can use IGMP snooping to ensure that the multicast
> stream is only transmitted to clients that are actually a member of
> the group. Can the mac80211 feature do the same?
No, it'll convert the packet for all clients that are behind that
netdev. But that's an argument for dropping the mac80211 feature, which
hasn't been merged upstream yet, no?
johannes
WARNING: multiple messages have this Message-ID (diff)
From: Johannes Berg <johannes@sipsolutions.net>
To: "Felix Fietkau" <nbd@nbd.name>,
"Linus Lüssing" <linus.luessing@c0d3.blue>,
netdev@vger.kernel.org
Cc: bridge@lists.linux-foundation.org,
linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org,
"David S . Miller" <davem@davemloft.net>,
Michael Braun <michael-dev@fami-braun.de>
Subject: Re: [PATCH net-next] bridge: multicast to unicast
Date: Fri, 06 Jan 2017 14:54:01 +0100 [thread overview]
Message-ID: <1483710841.12677.1.camel@sipsolutions.net> (raw)
In-Reply-To: <8836daaa-9638-4502-d079-fd428595f822@nbd.name>
> The bridge layer can use IGMP snooping to ensure that the multicast
> stream is only transmitted to clients that are actually a member of
> the group. Can the mac80211 feature do the same?
No, it'll convert the packet for all clients that are behind that
netdev. But that's an argument for dropping the mac80211 feature, which
hasn't been merged upstream yet, no?
johannes
next prev parent reply other threads:[~2017-01-06 13:54 UTC|newest]
Thread overview: 96+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-02 19:32 [Bridge] [PATCH net-next] bridge: multicast to unicast Linus Lüssing
2017-01-02 19:32 ` Linus Lüssing
2017-01-02 19:32 ` Linus Lüssing
2017-01-03 11:58 ` [Bridge] " Nikolay Aleksandrov
2017-01-03 11:58 ` Nikolay Aleksandrov via Bridge
2017-01-03 11:58 ` Nikolay Aleksandrov
2017-01-03 13:15 ` [Bridge] " Felix Fietkau
2017-01-03 13:15 ` Felix Fietkau
2017-01-06 12:47 ` [Bridge] " Johannes Berg
2017-01-06 12:47 ` Johannes Berg
2017-01-06 12:47 ` Johannes Berg
2017-01-06 13:52 ` [Bridge] " Felix Fietkau
2017-01-06 13:52 ` Felix Fietkau
2017-01-06 13:54 ` Johannes Berg [this message]
2017-01-06 13:54 ` Johannes Berg
2017-01-06 13:54 ` Johannes Berg
2017-01-06 13:54 ` [Bridge] " Felix Fietkau
2017-01-06 13:54 ` Felix Fietkau
2017-01-07 10:32 ` [Bridge] " M. Braun
2017-01-07 10:32 ` M. Braun
2017-01-07 10:32 ` M. Braun
2017-01-07 14:55 ` [Bridge] " Linus Lüssing
2017-01-07 14:55 ` Linus Lüssing
2017-01-07 14:55 ` Linus Lüssing
2017-01-09 8:08 ` [Bridge] " Johannes Berg
2017-01-09 8:08 ` Johannes Berg
2017-01-09 8:08 ` Johannes Berg
2017-01-09 11:44 ` [Bridge] " M. Braun
2017-01-09 11:44 ` M. Braun
2017-01-09 11:44 ` M. Braun
2017-01-09 12:15 ` [Bridge] " Johannes Berg
2017-01-09 12:15 ` Johannes Berg
2017-01-09 12:15 ` Johannes Berg
2017-01-09 15:25 ` [Bridge] " michael-dev
2017-01-09 15:25 ` michael-dev
2017-01-09 15:47 ` [Bridge] " Johannes Berg
2017-01-09 15:47 ` Johannes Berg
2017-01-09 15:47 ` Johannes Berg
2017-01-09 21:23 ` [Bridge] " Linus Lüssing
2017-01-09 21:23 ` Linus Lüssing
2017-01-09 21:30 ` [Bridge] " Stephen Hemminger
2017-01-09 21:30 ` Stephen Hemminger
2017-01-09 21:30 ` Stephen Hemminger
2017-01-10 4:18 ` [Bridge] " Linus Lüssing
2017-01-10 4:18 ` Linus Lüssing
2017-01-10 4:18 ` Linus Lüssing
2017-01-10 10:56 ` [Bridge] " Johannes Berg
2017-01-10 10:56 ` Johannes Berg
2017-01-10 10:56 ` Johannes Berg
2017-01-10 17:17 ` [Bridge] " Dave Taht
2017-01-10 17:17 ` Dave Taht
2017-01-10 17:23 ` [Bridge] " Felix Fietkau
2017-01-10 17:23 ` Felix Fietkau
2017-01-10 17:23 ` Felix Fietkau
2017-01-10 18:24 ` [Bridge] " Dave Taht
2017-01-10 18:24 ` Dave Taht
2017-01-10 18:24 ` Dave Taht
2017-01-10 21:27 ` [Bridge] " Felix Fietkau
2017-01-10 21:27 ` Felix Fietkau
2017-01-10 21:27 ` Felix Fietkau
2017-01-11 11:26 ` [Bridge] " IgorMitsyanko
2017-01-11 11:26 ` IgorMitsyanko
2017-01-11 11:30 ` [Bridge] " Felix Fietkau
2017-01-11 11:30 ` Felix Fietkau
2017-01-11 12:15 ` [Bridge] " IgorMitsyanko
2017-01-11 12:15 ` IgorMitsyanko
2017-01-11 12:21 ` [Bridge] " Felix Fietkau
2017-01-11 12:21 ` Felix Fietkau
2017-01-07 15:15 ` [Bridge] " Linus Lüssing
2017-01-07 15:15 ` Linus Lüssing
2017-01-07 15:15 ` Linus Lüssing
2017-01-09 8:05 ` [Bridge] " Johannes Berg
2017-01-09 8:05 ` Johannes Berg
2017-01-09 8:05 ` Johannes Berg
2017-01-09 12:42 ` [Bridge] " Linus Lüssing
2017-01-09 12:42 ` Linus Lüssing
2017-01-09 12:42 ` Linus Lüssing
2017-01-09 12:44 ` [Bridge] " Johannes Berg
2017-01-09 12:44 ` Johannes Berg
2017-01-09 12:44 ` Johannes Berg
2017-01-09 23:12 ` [Bridge] " Linus Lüssing
2017-01-09 23:12 ` Linus Lüssing
2017-01-09 23:12 ` Linus Lüssing
2017-01-11 9:17 ` [Bridge] " Johannes Berg
2017-01-11 9:17 ` Johannes Berg
2017-01-11 9:17 ` Johannes Berg
2017-01-07 3:13 ` [Bridge] " Stephen Hemminger
2017-01-07 3:13 ` Stephen Hemminger
2017-01-07 3:13 ` Stephen Hemminger
2017-01-07 3:13 ` Stephen Hemminger
2017-01-07 15:06 ` [Bridge] " Linus Lüssing
2017-01-07 15:06 ` Linus Lüssing
2017-01-07 15:06 ` Linus Lüssing
2017-01-09 8:36 ` [Bridge] " Jean-Pierre Tosoni
2017-01-09 8:36 ` Jean-Pierre Tosoni
2017-01-09 8:36 ` Jean-Pierre Tosoni
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1483710841.12677.1.camel@sipsolutions.net \
--to=johannes@sipsolutions.net \
--cc=bridge@lists.linux-foundation.org \
--cc=davem@davemloft.net \
--cc=linus.luessing@c0d3.blue \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=michael-dev@fami-braun.de \
--cc=nbd@nbd.name \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.