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linux-next/net/xdp/xsk.h
Zhu Yanjun bb1b25cab0 xdp: Remove the functions xsk_map_inc and xsk_map_put
The functions xsk_map_put() and xsk_map_inc() are simple wrappers and
as such, replace these functions with the functions bpf_map_inc() and
bpf_map_put() and remove some error testing code.

Signed-off-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/1606402998-12562-1-git-send-email-yanjunz@nvidia.com
2020-11-27 23:00:51 +01:00

49 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2019 Intel Corporation. */
#ifndef XSK_H_
#define XSK_H_
/* Masks for xdp_umem_page flags.
* The low 12-bits of the addr will be 0 since this is the page address, so we
* can use them for flags.
*/
#define XSK_NEXT_PG_CONTIG_SHIFT 0
#define XSK_NEXT_PG_CONTIG_MASK BIT_ULL(XSK_NEXT_PG_CONTIG_SHIFT)
struct xdp_ring_offset_v1 {
__u64 producer;
__u64 consumer;
__u64 desc;
};
struct xdp_mmap_offsets_v1 {
struct xdp_ring_offset_v1 rx;
struct xdp_ring_offset_v1 tx;
struct xdp_ring_offset_v1 fr;
struct xdp_ring_offset_v1 cr;
};
/* Nodes are linked in the struct xdp_sock map_list field, and used to
* track which maps a certain socket reside in.
*/
struct xsk_map_node {
struct list_head node;
struct xsk_map *map;
struct xdp_sock **map_entry;
};
static inline struct xdp_sock *xdp_sk(struct sock *sk)
{
return (struct xdp_sock *)sk;
}
void xsk_map_try_sock_delete(struct xsk_map *map, struct xdp_sock *xs,
struct xdp_sock **map_entry);
void xsk_clear_pool_at_qid(struct net_device *dev, u16 queue_id);
int xsk_reg_pool_at_qid(struct net_device *dev, struct xsk_buff_pool *pool,
u16 queue_id);
#endif /* XSK_H_ */