1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright (c) 2019, Intel Corporation. */
 3
 4#ifndef _ICE_XSK_H_
 5#define _ICE_XSK_H_
 6#include "ice_txrx.h"
 7
 8#define PKTS_PER_BATCH 8
 9
10#ifdef __clang__
11#define loop_unrolled_for _Pragma("clang loop unroll_count(8)") for
12#elif __GNUC__ >= 8
13#define loop_unrolled_for _Pragma("GCC unroll 8") for
14#else
15#define loop_unrolled_for for
16#endif
17
18struct ice_vsi;
19
20#ifdef CONFIG_XDP_SOCKETS
21int ice_xsk_pool_setup(struct ice_vsi *vsi, struct xsk_buff_pool *pool,
22		       u16 qid);
23int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring,
24			struct xsk_buff_pool *xsk_pool,
25			int budget);
26int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
27bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring,
28			  struct xsk_buff_pool *xsk_pool, u16 count);
29bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi);
30void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring);
31void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring);
32bool ice_xmit_zc(struct ice_tx_ring *xdp_ring, struct xsk_buff_pool *xsk_pool);
33int ice_realloc_zc_buf(struct ice_vsi *vsi, bool zc);
34#else
35static inline bool ice_xmit_zc(struct ice_tx_ring __always_unused *xdp_ring,
36			       struct xsk_buff_pool __always_unused *xsk_pool)
37{
38	return false;
39}
40
41static inline int
42ice_xsk_pool_setup(struct ice_vsi __always_unused *vsi,
43		   struct xsk_buff_pool __always_unused *pool,
44		   u16 __always_unused qid)
45{
46	return -EOPNOTSUPP;
47}
48
49static inline int
50ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused *rx_ring,
51		    struct xsk_buff_pool __always_unused *xsk_pool,
52		    int __always_unused budget)
53{
54	return 0;
55}
56
57static inline bool
58ice_alloc_rx_bufs_zc(struct ice_rx_ring __always_unused *rx_ring,
59		     struct xsk_buff_pool __always_unused *xsk_pool,
60		     u16 __always_unused count)
61{
62	return false;
63}
64
65static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi)
66{
67	return false;
68}
69
70static inline int
71ice_xsk_wakeup(struct net_device __always_unused *netdev,
72	       u32 __always_unused queue_id, u32 __always_unused flags)
73{
74	return -EOPNOTSUPP;
75}
76
77static inline void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring) { }
78static inline void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring) { }
79
80static inline int
81ice_realloc_zc_buf(struct ice_vsi __always_unused *vsi,
82		   bool __always_unused zc)
83{
84	return 0;
85}
86#endif /* CONFIG_XDP_SOCKETS */
87#endif /* !_ICE_XSK_H_ */