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| author | Magnus Karlsson <magnus.karlsson@intel.com> | 2020-08-28 10:26:17 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2020-08-31 21:15:04 +0200 |
| commit | 1c1efc2af158869795d3334a12fed2afd9c51539 (patch) | |
| tree | a6672208e4712a1148e93e2f88a0bafe1c6d72ed /net/xdp/xsk.h | |
| parent | c4655761d3cf62bf5f86650e79349c1bfa5c6285 (diff) | |
| download | lwn-1c1efc2af158869795d3334a12fed2afd9c51539.tar.gz lwn-1c1efc2af158869795d3334a12fed2afd9c51539.zip | |
xsk: Create and free buffer pool independently from umem
Create and free the buffer pool independently from the umem. Move
these operations that are performed on the buffer pool from the
umem create and destroy functions to new create and destroy
functions just for the buffer pool. This so that in later commits
we can instantiate multiple buffer pools per umem when sharing a
umem between HW queues and/or devices. We also erradicate the
back pointer from the umem to the buffer pool as this will not
work when we introduce the possibility to have multiple buffer
pools per umem.
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Link: https://lore.kernel.org/bpf/1598603189-32145-4-git-send-email-magnus.karlsson@intel.com
Diffstat (limited to 'net/xdp/xsk.h')
| -rw-r--r-- | net/xdp/xsk.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/xdp/xsk.h b/net/xdp/xsk.h index 455ddd480f3d..a00e3e2a9ef1 100644 --- a/net/xdp/xsk.h +++ b/net/xdp/xsk.h @@ -51,5 +51,8 @@ void xsk_map_try_sock_delete(struct xsk_map *map, struct xdp_sock *xs, struct xdp_sock **map_entry); int xsk_map_inc(struct xsk_map *map); void xsk_map_put(struct xsk_map *map); +void xsk_clear_pool_at_qid(struct net_device *dev, u16 queue_id); +int xsk_reg_pool_at_qid(struct net_device *dev, struct xsk_buff_pool *pool, + u16 queue_id); #endif /* XSK_H_ */ |