Sure thanks. I have created a hashmap. I will try with the new proposed API long bpf_for_each_map_elem(struct bpf_map *map, void *callback_fn, void *callback_ctx, u64 flags) from bpf-next repository. Thanks Shwetha On Tue, Mar 2, 2021 at 11:55 AM Y Song <ys114321@xxxxxxxxx> wrote: > > On Mon, Mar 1, 2021 at 6:44 AM Toke Høiland-Jørgensen <toke@xxxxxxxxxx> wrote: > > > > Shwetha Vittal <cs19resch01001@xxxxxxxxxx> writes: > > > > > Hi, > > > > > > Is there any way to iterate through eBPF Map elements in kernel space. > > > I know that there is one at user space bpf_map_get_next_key(). But it > > > doesn't work when tried in kernel space. I have a requirement to find > > > the record in the eBPF map which has the least value in kernel space > > > and pick it for further packet processing and therefore need to > > > iterate through eBF Map . > > > > There will be soon: > > https://lore.kernel.org/bpf/20210226204920.3884074-1-yhs@xxxxxx/ > > What kind of maps are you trying to iterate? The above patch set > supports hash and array maps. Also, the above patch set has been > merged into bpf-next repo. Feel free to experiment with it! > > > > > -Toke > > -- Disclaimer:- This footer text is to convey that this email is sent by one of the users of IITH. So, do not mark it as SPAM.
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