Ok, I will resend the patch with your suggestions. Vincent
On Tue, Sep 24, 2013 at 12:28 PM, David Miller <[email protected]> wrote: > From: Vincent Li <[email protected]> > Date: Tue, 24 Sep 2013 11:11:21 -0700 > >> the current behavior is when an IP is added to an interface, the primary >> or secondary attributes is depending on the order of ip added to the >> interface >> the first IP will be primary and second, third,... or alias IP will be >> secondary >> if the IP subnet matches >> >> this patch add the flexiblity to allow user to specify an argument 'primary' >> or 'secondary' >> (use 'ip addr add ip/mask primary|secondary dev ethX ' from iproute2 for >> example) to specify >> an IP address to be primary or secondary. >> >> the reason for this patch is that we have a multi blade cluster platform >> sharing 'floating management ip' >> and also that each blade has its own management ip on the management >> interface, so whichever blade in the >> cluster becomes primary blade, the 'floating mangaement ip' follows it, and >> we want any of our traffic >> originated from the primary blade source from the 'floating management ip' >> for consistency. but in this >> case, since the local blade management ip is always the primary ip on the >> mangaement interface and 'floating >> management ip' is always secondary, kernel always choose the primary ip as >> source ip address. thus we would >> like to add the flexibility in kernel to allow us to specify which ip to be >> primary or secondary. >> >> Signed-off-by: Vincent Li <[email protected]> > > When submitting a patch, please: > > 1) Specify an appropriate prefix for your subject line, indicating the > subsystem. "ipv4: " might be appropriate here. > > 2) Format your commit message so that lines do not exceed 80 columns. > People will read using ASCII text based tools in 80 column > terminals. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

