From 173d3adb6f437037f216270955886ca9878187a5 Mon Sep 17 00:00:00 2001 From: Björn Töpel Date: Mon, 4 Jun 2018 14:05:55 +0200 Subject: xsk: add zero-copy support for Rx MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Extend the xsk_rcv to support the new MEM_TYPE_ZERO_COPY memory, and wireup ndo_bpf call in bind. Signed-off-by: Björn Töpel Signed-off-by: Daniel Borkmann --- include/net/xdp_sock.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/net/xdp_sock.h') diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h index caf343a7e224..d93d3aac3fc9 100644 --- a/include/net/xdp_sock.h +++ b/include/net/xdp_sock.h @@ -22,6 +22,7 @@ struct xdp_umem_props { struct xdp_umem_page { void *addr; + dma_addr_t dma; }; struct xdp_umem { @@ -38,6 +39,9 @@ struct xdp_umem { struct work_struct work; struct page **pgs; u32 npgs; + struct net_device *dev; + u16 queue_id; + bool zc; }; struct xdp_sock { @@ -60,6 +64,8 @@ int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp); int xsk_rcv(struct xdp_sock *xs, struct xdp_buff *xdp); void xsk_flush(struct xdp_sock *xs); bool xsk_is_setup_for_bpf_map(struct xdp_sock *xs); +u64 *xsk_umem_peek_addr(struct xdp_umem *umem, u64 *addr); +void xsk_umem_discard_addr(struct xdp_umem *umem); #else static inline int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp) { -- cgit v1.2.3