From 01aa49e31e1674e22dd9c868ca6b4b945acd621e Mon Sep 17 00:00:00 2001 From: Tirthendu Sarkar Date: Fri, 10 Mar 2023 00:26:14 +0530 Subject: i40e: add xdp_buff to i40e_ring struct Store xdp_buff on Rx ring struct in preparation for XDP multi-buffer support. This will allow us to combine fragmented frames across separate NAPI cycles in the same way as currently skb fragments are handled. This means that skb pointer on Rx ring will become redundant and will be removed in a later patch. As a consequence i40e_trace() now uses xdp instead of skb pointer. Truesize only needs to be calculated for page sizes bigger than 4k as it is always half-page for 4k pages. With xdp_buff on ring, frame size can now be set during xdp_init_buff() and need not be repopulated in each NAPI call for 4k pages. As a consequence i40e_rx_frame_truesize() is now used only for bigger pages. Signed-off-by: Tirthendu Sarkar Tested-by: Chandan Kumar Rout (A Contingent Worker at Intel) Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/i40e/i40e_main.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/ethernet/intel/i40e/i40e_main.c') diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index e8cf5644bf10..f2c151a01e77 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -3616,6 +3616,8 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring) } } + xdp_init_buff(&ring->xdp, i40e_rx_pg_size(ring) / 2, &ring->xdp_rxq); + rx_ctx.dbuff = DIV_ROUND_UP(ring->rx_buf_len, BIT_ULL(I40E_RXQ_CTX_DBUFF_SHIFT)); -- cgit v1.2.1