On Wed, May 16, 2018 at 08:14:50PM +0200, Håkon Bugge wrote: > > > > On 16 May 2018, at 20:01, Jason Gunthorpe <jgg@xxxxxxxx> wrote: > > > > On Wed, May 16, 2018 at 07:46:10PM +0200, Håkon Bugge wrote: > > > >> OK. Lets take one example. The pkey table contains 0xFFFF, 0x8001, > >> 0x0001. > >> > >> The wce.pkey_index is 1 (i.e., pointing to 0x8001). Now, tell me, was > >> BTH.PKey 0x8001 (matches 0x8001) or was it 0x0001 (also matching > >> 0x8001) ? > > > > As far as the Linux core is concerned, it must have been 0x8001, > > because the only way the pkey_index feature works properly is if > > exact-match takes precedence over in-exact match. > > And now if the table only contains 0xFFFF, 0x8001, how do you tell? It doesn't matter. The delgation of Pkeys to VMs are on a pkey-table-index basis, so if it matches table entry 1 and entry 1 is passed to the VM, then the packet can be passed to the VM. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
