diff options
| author | Magnus Karlsson <magnus.karlsson@intel.com> | 2022-01-25 17:04:43 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2022-01-27 17:25:32 +0100 |
| commit | d1bc532e99becf104635ed4da6fefa306f452321 (patch) | |
| tree | e4d8a3a820c25574c080cfc1fc1307a681d85e62 /include | |
| parent | ice: Make Tx threshold dependent on ring length (diff) | |
| download | linux-d1bc532e99becf104635ed4da6fefa306f452321.tar.xz linux-d1bc532e99becf104635ed4da6fefa306f452321.zip | |
i40e: xsk: Move tmp desc array from driver to pool
Move desc_array from the driver to the pool. The reason behind this is
that we can then reuse this array as a temporary storage for descriptors
in all zero-copy drivers that use the batched interface. This will make
it easier to add batching to more drivers.
i40e is the only driver that has a batched Tx zero-copy
implementation, so no need to touch any other driver.
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Link: https://lore.kernel.org/bpf/20220125160446.78976-6-maciej.fijalkowski@intel.com
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/xdp_sock_drv.h | 5 | ||||
| -rw-r--r-- | include/net/xsk_buff_pool.h | 1 |
2 files changed, 3 insertions, 3 deletions
diff --git a/include/net/xdp_sock_drv.h b/include/net/xdp_sock_drv.h index 443d45951564..4aa031849668 100644 --- a/include/net/xdp_sock_drv.h +++ b/include/net/xdp_sock_drv.h @@ -13,7 +13,7 @@ void xsk_tx_completed(struct xsk_buff_pool *pool, u32 nb_entries); bool xsk_tx_peek_desc(struct xsk_buff_pool *pool, struct xdp_desc *desc); -u32 xsk_tx_peek_release_desc_batch(struct xsk_buff_pool *pool, struct xdp_desc *desc, u32 max); +u32 xsk_tx_peek_release_desc_batch(struct xsk_buff_pool *pool, u32 max); void xsk_tx_release(struct xsk_buff_pool *pool); struct xsk_buff_pool *xsk_get_pool_from_qid(struct net_device *dev, u16 queue_id); @@ -142,8 +142,7 @@ static inline bool xsk_tx_peek_desc(struct xsk_buff_pool *pool, return false; } -static inline u32 xsk_tx_peek_release_desc_batch(struct xsk_buff_pool *pool, struct xdp_desc *desc, - u32 max) +static inline u32 xsk_tx_peek_release_desc_batch(struct xsk_buff_pool *pool, u32 max) { return 0; } diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h index ddeefc4a1040..5554ee75e7da 100644 --- a/include/net/xsk_buff_pool.h +++ b/include/net/xsk_buff_pool.h @@ -60,6 +60,7 @@ struct xsk_buff_pool { */ dma_addr_t *dma_pages; struct xdp_buff_xsk *heads; + struct xdp_desc *tx_descs; u64 chunk_mask; u64 addrs_cnt; u32 free_list_cnt; |