From be9df4aff65f18caa79b35f88f42c3d5a43af14f Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Tue, 22 Dec 2020 22:09:29 +0100 Subject: net, xdp: Introduce xdp_prepare_buff utility routine Introduce xdp_prepare_buff utility routine to initialize per-descriptor xdp_buff fields (e.g. xdp_buff pointers). Rely on xdp_prepare_buff() in all XDP capable drivers. Signed-off-by: Lorenzo Bianconi Signed-off-by: Daniel Borkmann Reviewed-by: Alexander Duyck Acked-by: Jesper Dangaard Brouer Acked-by: John Fastabend Acked-by: Shay Agroskin Acked-by: Martin Habets Acked-by: Camelia Groza Acked-by: Marcin Wojtas Link: https://lore.kernel.org/bpf/45f46f12295972a97da8ca01990b3e71501e9d89.1608670965.git.lorenzo@kernel.org Signed-off-by: Alexei Starovoitov --- drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/net/ethernet/freescale/dpaa') diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 26e20b96fd96..d8e568f6caf3 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2534,10 +2534,8 @@ static u32 dpaa_run_xdp(struct dpaa_priv *priv, struct qm_fd *fd, void *vaddr, xdp_init_buff(&xdp, DPAA_BP_RAW_SIZE - DPAA_TX_PRIV_DATA_SIZE, &dpaa_fq->xdp_rxq); - xdp.data = vaddr + fd_off; - xdp.data_meta = xdp.data; - xdp.data_hard_start = xdp.data - XDP_PACKET_HEADROOM; - xdp.data_end = xdp.data + qm_fd_get_length(fd); + xdp_prepare_buff(&xdp, vaddr + fd_off - XDP_PACKET_HEADROOM, + XDP_PACKET_HEADROOM, qm_fd_get_length(fd), true); /* We reserve a fixed headroom of 256 bytes under the erratum and we * offer it all to XDP programs to use. If no room is left for the -- cgit