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8aef7340ae
The xdp_umem_page holds the address for a page. Trade memory for faster lookup. Later, we'll add DMA address here as well. Signed-off-by: Björn Töpel <bjorn.topel@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
22 lines
556 B
C
22 lines
556 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* XDP user-space packet buffer
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* Copyright(c) 2018 Intel Corporation.
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*/
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#ifndef XDP_UMEM_H_
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#define XDP_UMEM_H_
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#include <net/xdp_sock.h>
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static inline char *xdp_umem_get_data(struct xdp_umem *umem, u64 addr)
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{
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return umem->pages[addr >> PAGE_SHIFT].addr + (addr & (PAGE_SIZE - 1));
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}
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bool xdp_umem_validate_queues(struct xdp_umem *umem);
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void xdp_get_umem(struct xdp_umem *umem);
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void xdp_put_umem(struct xdp_umem *umem);
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struct xdp_umem *xdp_umem_create(struct xdp_umem_reg *mr);
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#endif /* XDP_UMEM_H_ */
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