Re: AF_XDP and dma
Magnus Karlsson <[email protected]>
| Newsgroups | org.kernel.vger.xdp-newbies |
|---|---|
| Message-ID | <CAJ8uoz3ipXOE2VeMLh02R0FKysuovLf3vFU_z5nEOffHNps1=g@mail.gmail.com> |
On Fri, Apr 9, 2021 at 12:12 PM ratheesh kannoth <[email protected]> wrote: > > On Fri, Apr 9, 2021 at 3:37 PM Magnus Karlsson > <[email protected]> wrote: > > Only if you are writing your own kernel driver for a NIC. Are you doing that? > Yes. Then looking at user-space code will not help you :-). Take a look at the code in driver/net/ethernet/intel/i40e/i40e_xsk.c in the Linux kernel for an example on how to DMA map the umem. > > > > /Magnus