On 7/10/20 6:26 PM, Hangbin Liu wrote:
>>
>> The point of DEVMAP_HASH is to allow map management where key == device
>> index (vs DEVMAP which for any non-trivial use case is going to require
>> key != device index). You could require the exclude map to be
>> DEVMAP_HASH and the key to be the index
On Fri, Jul 10, 2020 at 07:46:18AM -0600, David Ahern wrote:
> >>
> >> I'm probably missing something fundamental, but why do you need to walk
> >> the keys? Why not just do a lookup on the device index?
> >
> > This functions is to check if the device index is in exclude map.
> >
> > The device
On 7/10/20 12:55 AM, Hangbin Liu wrote:
> Hi David,
> On Thu, Jul 09, 2020 at 10:33:38AM -0600, David Ahern wrote:
>>> +bool dev_in_exclude_map(struct bpf_dtab_netdev *obj, struct bpf_map *map,
>>> + int exclude_ifindex)
>>> +{
>>> + struct bpf_dtab_netdev *ex_obj = NULL;
>>> +
Hi David,
On Thu, Jul 09, 2020 at 10:33:38AM -0600, David Ahern wrote:
> > +bool dev_in_exclude_map(struct bpf_dtab_netdev *obj, struct bpf_map *map,
> > + int exclude_ifindex)
> > +{
> > + struct bpf_dtab_netdev *ex_obj = NULL;
> > + u32 key, next_key;
> > + int err;
> > +
On 7/8/20 7:30 PM, Hangbin Liu wrote:
> This patch is for xdp multicast support. In this implementation we
> add a new helper to accept two maps: forward map and exclude map.
> We will redirect the packet to all the interfaces in *forward map*, but
> exclude the interfaces that in *exclude map*.
>
This patch is for xdp multicast support. In this implementation we
add a new helper to accept two maps: forward map and exclude map.
We will redirect the packet to all the interfaces in *forward map*, but
exclude the interfaces that in *exclude map*.
To achive this I add a new ex_map for struct bp
