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authorBjörn Töpel <bjorn.topel@intel.com>2018-06-04 14:05:55 +0200
committerDaniel Borkmann <daniel@iogearbox.net>2018-06-05 15:46:55 +0200
commit173d3adb6f437037f216270955886ca9878187a5 (patch)
tree9eb770a9b2a2b74d1a19dc7ac3d3ec417c337057 /net/xdp/xdp_umem.h
parent02b55e5657c3a569fc681ba851e464cfa6b90d4f (diff)
downloadlinux-173d3adb6f437037f216270955886ca9878187a5.tar.bz2
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 'net/xdp/xdp_umem.h')
-rw-r--r--net/xdp/xdp_umem.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/xdp/xdp_umem.h b/net/xdp/xdp_umem.h
index 40e8fa4a92af..674508a32a4d 100644
--- a/net/xdp/xdp_umem.h
+++ b/net/xdp/xdp_umem.h
@@ -13,6 +13,9 @@ static inline char *xdp_umem_get_data(struct xdp_umem *umem, u64 addr)
return umem->pages[addr >> PAGE_SHIFT].addr + (addr & (PAGE_SIZE - 1));
}
+int xdp_umem_assign_dev(struct xdp_umem *umem, struct net_device *dev,
+ u32 queue_id, u16 flags);
+void xdp_umem_clear_dev(struct xdp_umem *umem);
bool xdp_umem_validate_queues(struct xdp_umem *umem);
void xdp_get_umem(struct xdp_umem *umem);
void xdp_put_umem(struct xdp_umem *umem);