On 16-11-18 03:21 PM, Eric Dumazet wrote:
> On Fri, 2016-11-18 at 11:00 -0800, John Fastabend wrote:
>
>
>> static void free_receive_bufs(struct virtnet_info *vi)
>> {
>> +struct bpf_prog *old_prog;
>> int i;
>>
>> for (i = 0; i < vi->max_queue_pairs; i++) {
>> whil
On 16-11-18 03:23 PM, Eric Dumazet wrote:
> On Fri, 2016-11-18 at 11:00 -0800, John Fastabend wrote:
>> From: Shrijeet Mukherjee
>
>
>> #include
>> @@ -81,6 +82,8 @@ struct receive_queue {
>>
>> struct napi_struct napi;
>>
>> +struct bpf_prog *xdp_prog;
>
> Please add proper spar
On Fri, 2016-11-18 at 11:00 -0800, John Fastabend wrote:
> From: Shrijeet Mukherjee
> #include
> @@ -81,6 +82,8 @@ struct receive_queue {
>
> struct napi_struct napi;
>
> + struct bpf_prog *xdp_prog;
Please add proper sparse annotation, as in
struct bpf_prog __rcu *xdp
On Fri, 2016-11-18 at 11:00 -0800, John Fastabend wrote:
> static void free_receive_bufs(struct virtnet_info *vi)
> {
> + struct bpf_prog *old_prog;
> int i;
>
> for (i = 0; i < vi->max_queue_pairs; i++) {
> while (vi->rq[i].pages)
> __free_
From: Shrijeet Mukherjee
This adds XDP support to virtio_net. Some requirements must be
met for XDP to be enabled depending on the mode. First it will
only be supported with LRO disabled so that data is not pushed
across multiple buffers. The MTU must be less than a page size
to avoid having to h
