linux-stable/net/xdp/xdp_umem.h
Björn Töpel e61e62b9e2 xsk: moved struct xdp_umem definition
Moved struct xdp_umem to xdp_sock.h, in order to prepare for zero-copy
support.

Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-06-05 15:45:17 +02:00

22 lines
565 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/* XDP user-space packet buffer
* Copyright(c) 2018 Intel Corporation.
*/
#ifndef XDP_UMEM_H_
#define XDP_UMEM_H_
#include <net/xdp_sock.h>
static inline char *xdp_umem_get_data(struct xdp_umem *umem, u64 addr)
{
return page_address(umem->pgs[addr >> PAGE_SHIFT]) +
(addr & (PAGE_SIZE - 1));
}
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);
struct xdp_umem *xdp_umem_create(struct xdp_umem_reg *mr);
#endif /* XDP_UMEM_H_ */