On 5/28/19, 1:43 PM, "Eric Dumazet" wrote:
On 5/28/19 11:54 AM, Lawrence Brakmo wrote:
> On 5/28/19, 6:43 AM, "netdev-ow...@vger.kernel.org on behalf of Eric
Dumazet"
wrote:
>
> Why are you using preempt_enable_no_resched() here ?
>
> Because that is
On 5/28/19 11:54 AM, Lawrence Brakmo wrote:
> On 5/28/19, 6:43 AM, "netdev-ow...@vger.kernel.org on behalf of Eric Dumazet"
> wrote:
>
> Why are you using preempt_enable_no_resched() here ?
>
> Because that is what __BPF_PROG_RUN_ARRAY() calls and the macro
> BPF_PROG_CGROUP_INET_EGRESS
On 5/28/19, 6:43 AM, "netdev-ow...@vger.kernel.org on behalf of Eric Dumazet"
wrote:
On 5/27/19 8:49 PM, brakmo wrote:
> Create new macro BPF_PROG_CGROUP_INET_EGRESS_RUN_ARRAY() to be used by
> __cgroup_bpf_run_filter_skb for EGRESS BPF progs so BPF programs can
> reque
On 5/27/19 8:49 PM, brakmo wrote:
> Create new macro BPF_PROG_CGROUP_INET_EGRESS_RUN_ARRAY() to be used by
> __cgroup_bpf_run_filter_skb for EGRESS BPF progs so BPF programs can
> request cwr for TCP packets.
>
...
> +#define BPF_PROG_CGROUP_INET_EGRESS_RUN_ARRAY(array, ctx, func)
Create new macro BPF_PROG_CGROUP_INET_EGRESS_RUN_ARRAY() to be used by
__cgroup_bpf_run_filter_skb for EGRESS BPF progs so BPF programs can
request cwr for TCP packets.
Current cgroup skb programs can only return 0 or 1 (0 to drop the
packet. This macro changes the behavior so the low order bit
in
