From 983e43451830742fa93f83656ccbdcb865ea4259 Mon Sep 17 00:00:00 2001 From: Jesper Dangaard Brouer Date: Thu, 14 May 2020 12:49:12 +0200 Subject: sfc: Add XDP frame size This driver uses RX page-split when possible. It was recently fixed in commit 86e85bf6981c ("sfc: fix XDP-redirect in this driver") to add needed tailroom for XDP-redirect. After the fix efx->rx_page_buf_step is the frame size, with enough head and tail-room for XDP-redirect. Signed-off-by: Jesper Dangaard Brouer Signed-off-by: Alexei Starovoitov Link: https://lore.kernel.org/bpf/158945335278.97035.14611425333184621652.stgit@firesoul --- drivers/net/ethernet/sfc/rx.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/ethernet/sfc') diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 260352d97d9d..68c47a8c71df 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -308,6 +308,7 @@ static bool efx_do_xdp(struct efx_nic *efx, struct efx_channel *channel, xdp_set_data_meta_invalid(&xdp); xdp.data_end = xdp.data + rx_buf->len; xdp.rxq = &rx_queue->xdp_rxq_info; + xdp.frame_sz = efx->rx_page_buf_step; xdp_act = bpf_prog_run_xdp(xdp_prog, &xdp); rcu_read_unlock(); -- cgit v1.2.3