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Date: Thu, 30 Oct 2014 16:12:52 -0400 (EDT) From: David Miller <davem@...emloft.net> To: lsorense@...lub.uwaterloo.ca Cc: linux-kernel@...r.kernel.org, mugunthanvnm@...com, netdev@...r.kernel.org Subject: Re: PATCH: Add IFF_ALLMULTI support to cpsw (and fix IFF_PROMISC support too) From: "Lennart Sorensen" <lsorense@...lub.uwaterloo.ca> Date: Wed, 29 Oct 2014 15:06:12 -0400 > The cpsw driver did not support the IFF_ALLMULTI flag which makes dynamic > multicast routing rather hard to handle. Related to this, when enabling > IFF_PROMISC in non dual_emac mode, all registered vlans are flushed, > and only broadcast and unicast are allowed which isn't what you would > want from IFF_PROMISC. > > A new cpsw_ale_set_allmulti function now scans through the ALE entry > table and adds or removes the host port from the unregistered multicast > port mask depending on the state of IFF_ALLMULTI. In promisc mode, > it is also called to enable reception of all multicast traffic. > > With this change I am now able to run dynamic multicast routing and also > use tcpdump and actually see multicast traffic. > > Signed-off-by: Len Sorensen <lsorense@...lub.uwaterloo.ca> Please fix your Subject line and resubmit this patch. Subject lines end up as the commit message header text, and therefore must be of the form: subsystem: Description. In this case "cpsw: " is probably an appropriate subsystem prefix. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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