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Date: Wed, 11 Feb 2015 19:43:34 -0800 (PST) From: David Miller <davem@...emloft.net> To: shahed.shaikh@...gic.com Cc: netdev@...r.kernel.org, Dept-GELinuxNICDev@...gic.com Subject: Re: [PATCH net 1/1] qlcnic: Delete existing multicast MAC list before adding new From: Shahed Shaikh <shahed.shaikh@...gic.com> Date: Wed, 11 Feb 2015 09:45:24 -0500 > From: Shahed Shaikh <shahed.shaikh@...gic.com> > > Driver keeps adding multicast addresses without deleting removed MACs and > worrying about adapters filter limit. This results into actual count of programmed > multicast addresses get accumulated over the time and overruns the adapter's > filter limit without putting device in ACCEPT_ALL_MULTI mode. This causes > newly added multicast traffic to fail after the sequence of addition - deletion > in certain pattern. > > This issue is seen only when netdev's mcast list count is less than adapters > mcast filter limit. > > e.g. If adapters multicast filter limit is 38 per function > then following sequence would result in multicast traffic failure for > newly added MACs. > - add less than 38 multicast MACs > - remove previously added multicast MACs > - add new multicast MACs (less than 38) > > Signed-off-by: Shahed Shaikh <shahed.shaikh@...gic.com> Applied. -- 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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