[prev in list] [next in list] [prev in thread] [next in thread] 

List:       linux-netdev
Subject:    Re: drivers: net: cpsw: Support ALLMULTI and fix IFF_PROMISC in switch mode
From:       David Miller <davem () davemloft ! net>
Date:       2014-10-31 20:17:17
Message-ID: 20141031.161717.851599743414417317.davem () davemloft ! net
[Download RAW message or body]

From: "Lennart Sorensen" <lsorense@csclub.uwaterloo.ca>
Date: Fri, 31 Oct 2014 13:38:52 -0400

> The cpsw driver did not support the IFF_ALLMULTI flag which makes dynamic
> multicast routing not work.  Related to this, when enabling IFF_PROMISC
> in switch mode, all registered multicast addresses are flushed, resulting
> in only broadcast and unicast traffic being received.
> 
> A new cpsw_ale_set_allmulti function now scans through the ALE entry
> table and adds/removes the host port from the unregistered multicast
> port mask of each vlan entry depending on the state of IFF_ALLMULTI.
> In promiscious mode, cpsw_ale_set_allmulti is used to force reception
> of all multicast traffic in addition to the unicast and broadcast traffic.
> 
> With this change dynamic multicast and promiscious mode both work in
> switch mode.
> 
> Signed-off-by: Len Sorensen <lsorense@csclub.uwaterloo.ca>

Applied.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
[prev in list] [next in list] [prev in thread] [next in thread]