diff options
| author | Maciej Fijalkowski <maciej.fijalkowski@intel.com> | 2023-01-31 21:45:06 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2023-02-01 23:30:27 +0100 |
| commit | a24b4c6e9aab4f39982d40cfeb7c142e93310f8b (patch) | |
| tree | eacf16c8d895b89e36fba3dcdd0b241b9bd83494 /drivers/net/ethernet/intel/ice/ice_txrx_lib.c | |
| parent | f4db7b314dd54ab9335bb449640484a6f27baf28 (diff) | |
ice: xsk: Do not convert to buff to frame for XDP_TX
Let us store pointer to xdp_buff that came from xsk_buff_pool on tx_buf
so that it will be possible to recycle it via xsk_buff_free() on Tx
cleaning side. This way it is not necessary to do expensive copy to
another xdp_buff backed by a newly allocated page.
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Link: https://lore.kernel.org/bpf/20230131204506.219292-14-maciej.fijalkowski@intel.com
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_txrx_lib.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c index 3dcc40b96b58..9bbed3f14e42 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c @@ -275,7 +275,10 @@ static u32 ice_clean_xdp_irq(struct ice_tx_ring *xdp_ring) /* count head + frags */ ready_frames -= frags + 1; - ice_clean_xdp_tx_buf(xdp_ring, tx_buf); + if (xdp_ring->xsk_pool) + xsk_buff_free(tx_buf->xdp); + else + ice_clean_xdp_tx_buf(xdp_ring, tx_buf); ntc++; if (ntc == cnt) ntc = 0; @@ -408,23 +411,6 @@ int ice_xmit_xdp_ring(struct xdp_frame *xdpf, struct ice_tx_ring *xdp_ring) } /** - * ice_xmit_xdp_buff - convert an XDP buffer to an XDP frame and send it - * @xdp: XDP buffer - * @xdp_ring: XDP Tx ring - * - * Returns negative on failure, 0 on success. - */ -int ice_xmit_xdp_buff(struct xdp_buff *xdp, struct ice_tx_ring *xdp_ring) -{ - struct xdp_frame *xdpf = xdp_convert_buff_to_frame(xdp); - - if (unlikely(!xdpf)) - return ICE_XDP_CONSUMED; - - return ice_xmit_xdp_ring(xdpf, xdp_ring); -} - -/** * ice_finalize_xdp_rx - Bump XDP Tx tail and/or flush redirect map * @xdp_ring: XDP ring * @xdp_res: Result of the receive batch |