On Tue, 19 Feb 2019 17:18:30 +0100
Daniel Borkmann wrote:
> Untested / uncompiled, but should be:
>
> case offsetof(struct __sk_buff, queue_mapping):
> if (type == BPF_WRITE) {
> *insn++ = BPF_JMP_IMM(BPF_JGE, si->src_reg,
> NO_QUEUE_MAPPING, 1);
On 02/19/2019 03:52 PM, Jesper Dangaard Brouer wrote:
> On Tue, 19 Feb 2019 12:46:57 +0100
> Daniel Borkmann wrote:
>
>> On 02/19/2019 11:24 AM, Jesper Dangaard Brouer wrote:
>>> The skb->queue_mapping already have read access, via
>>> __sk_buff->queue_mapping.
>>>
>>> This patch allow BPF tc qd
On 02/19/2019 04:57 PM, Jesper Dangaard Brouer wrote:
> On Tue, 19 Feb 2019 12:46:57 +0100
> Daniel Borkmann wrote:
>
>>> Due to lack of TC examples, lets show howto attach clsact BPF programs:
>>>
>>> # tc qdisc add dev ixgbe2 clsact
>>> # tc filter replace dev ixgbe2 egress bpf da obj XX
On Tue, 19 Feb 2019 12:46:57 +0100
Daniel Borkmann wrote:
> > Due to lack of TC examples, lets show howto attach clsact BPF programs:
> >
> > # tc qdisc add dev ixgbe2 clsact
> > # tc filter replace dev ixgbe2 egress bpf da obj XXX_kern.o sec tc_qmap2cpu
> > # tc filter listdev ixgbe
On Tue, 19 Feb 2019 12:46:57 +0100
Daniel Borkmann wrote:
> On 02/19/2019 11:24 AM, Jesper Dangaard Brouer wrote:
> > The skb->queue_mapping already have read access, via
> > __sk_buff->queue_mapping.
> >
> > This patch allow BPF tc qdisc clsact write access to the queue_mapping via
> > tc_cls_
On 02/19/2019 11:24 AM, Jesper Dangaard Brouer wrote:
> The skb->queue_mapping already have read access, via __sk_buff->queue_mapping.
>
> This patch allow BPF tc qdisc clsact write access to the queue_mapping via
> tc_cls_act_is_valid_access.
>
> It is already possible to change this via TC filt
The skb->queue_mapping already have read access, via __sk_buff->queue_mapping.
This patch allow BPF tc qdisc clsact write access to the queue_mapping via
tc_cls_act_is_valid_access.
It is already possible to change this via TC filter action skbedit
tc-skbedit(8). Due to the lack of TC examples,
