diff options
| author |   Björn Töpel <bjorn.topel@intel.com> | 2018-06-04 14:05:55 +0200 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2018-06-05 15:46:55 +0200 |
| commit | 173d3adb6f437037f216270955886ca9878187a5 (patch) | |
| tree | 9eb770a9b2a2b74d1a19dc7ac3d3ec417c337057 /include | |
| parent | xdp: add MEM_TYPE_ZERO_COPY (diff) | |
| download | wireguard-linux-173d3adb6f437037f216270955886ca9878187a5.tar.xz wireguard-linux-173d3adb6f437037f216270955886ca9878187a5.zip | |
xsk: add zero-copy support for Rx
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 <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/xdp_sock.h | 6 | ||||
| -rw-r--r-- | include/uapi/linux/if_xdp.h | 4 |
2 files changed, 9 insertions, 1 deletions
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) { diff --git a/include/uapi/linux/if_xdp.h b/include/uapi/linux/if_xdp.h index e411d6f9ac65..1fa0e977ea8d 100644 --- a/include/uapi/linux/if_xdp.h +++ b/include/uapi/linux/if_xdp.h @@ -13,7 +13,9 @@ #include <linux/types.h> /* Options for the sxdp_flags field */ -#define XDP_SHARED_UMEM 1 +#define XDP_SHARED_UMEM (1 << 0) +#define XDP_COPY (1 << 1) /* Force copy-mode */ +#define XDP_ZEROCOPY (1 << 2) /* Force zero-copy mode */ struct sockaddr_xdp { __u16 sxdp_family; |