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| 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/net | |
| parent | 02b55e5657c3a569fc681ba851e464cfa6b90d4f (diff) | |
| download | op-kernel-dev-173d3adb6f437037f216270955886ca9878187a5.zip op-kernel-dev-173d3adb6f437037f216270955886ca9878187a5.tar.gz | |
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/net')
| -rw-r--r-- | include/net/xdp_sock.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h index caf343a..d93d3aa 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) { |
