From c8145b263dd85f9e589c7c7ba531423d82ca96ae Mon Sep 17 00:00:00 2001 From: Jesper Dangaard Brouer Date: Thu, 14 May 2020 12:50:24 +0200 Subject: [PATCH] net: thunderx: Add XDP frame size To help reviewers these are the defines related to RCV_FRAG_LEN #define DMA_BUFFER_LEN 1536 /* In multiples of 128bytes */ #define RCV_FRAG_LEN (SKB_DATA_ALIGN(DMA_BUFFER_LEN + NET_SKB_PAD) + \ SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) Signed-off-by: Jesper Dangaard Brouer Signed-off-by: Alexei Starovoitov Cc: Sunil Goutham Cc: Robert Richter Link: https://lore.kernel.org/bpf/158945342402.97035.12649844447148990032.stgit@firesoul --- drivers/net/ethernet/cavium/thunder/nicvf_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index b4b3336..2ba0ce1 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -552,6 +552,7 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog, xdp_set_data_meta_invalid(&xdp); xdp.data_end = xdp.data + len; xdp.rxq = &rq->xdp_rxq; + xdp.frame_sz = RCV_FRAG_LEN + XDP_PACKET_HEADROOM; orig_data = xdp.data; rcu_read_lock(); -- 2.7.4