Re: [PATCH] macsec: Support 32bit PN netlink attribute for XPN links

From: Era Mayflower
Date: Wed Aug 19 2020 - 09:05:25 EST


On Wed, Jun 24, 2020 at 10:23 AM Era Mayflower <mayflowerera@xxxxxxxxx> wrote:
>
> On Wed, Jun 17, 2020 at 1:32 AM Era Mayflower <mayflowerera@xxxxxxxxx> wrote:
> >
> > On Wed, Jun 17, 2020 at 10:02 AM Era Mayflower <mayflowerera@xxxxxxxxx> wrote:
> > >
> > > On Tue, Jun 16, 2020 at 1:23 AM David Miller <davem@xxxxxxxxxxxxx> wrote:
> > > >
> > > > From: Era Mayflower <mayflowerera@xxxxxxxxx>
> > > > Date: Tue, 16 Jun 2020 00:41:14 +0900
> > > >
> > > > > + if (tb_sa[MACSEC_SA_ATTR_PN]) {
> > > >
> > > > validate_add_rxsa() requires that MACSET_SA_ATTR_PN be non-NULL, so
> > > > you don't need to add this check here.
> > > >
> > >
> > > validate_add_rxsa() did not originally contain that requirement.
> > > It does exist in validate_add_txsa(), which means that providing a PN
> > > is necessary only when creating TXSA.
> > > When creating an RXSA without providing a PN it will be set to 1
> > > (init_rx_sa+15).
> > > This is the original behavior which of course can be changed.
> > >
> > > - Era.
> >
> > Sorry for the time issues, just noticed I sent the previous mail with
> > future time.
> > Fixed it permanently on my computer.
>
> Hello, is there any news?
>
> - Era.

This patch is important to help projects like iproute2 use XPN macsec links.
Please let me know if there is anything I need to fix.

- Era.