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

From: Era Mayflower
Date: Tue Jun 16 2020 - 12:28:13 EST


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.