tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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
10struct ice_vsi;
11
12#ifdef CONFIG_XDP_SOCKETS
13int ice_xsk_pool_setup(struct ice_vsi *vsi, struct xsk_buff_pool *pool,
14 u16 qid);
15int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring,
16 struct xsk_buff_pool *xsk_pool,
17 int budget);
18int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
19bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring,
20 struct xsk_buff_pool *xsk_pool, u16 count);
21bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi);
22void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring);
23void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring);
24bool ice_xmit_zc(struct ice_tx_ring *xdp_ring, struct xsk_buff_pool *xsk_pool);
25int ice_realloc_rx_xdp_bufs(struct ice_rx_ring *rx_ring, bool pool_present);
26void ice_qvec_cfg_msix(struct ice_vsi *vsi, struct ice_q_vector *q_vector,
27 u16 qid);
28void ice_qvec_toggle_napi(struct ice_vsi *vsi, struct ice_q_vector *q_vector,
29 bool enable);
30void ice_qvec_ena_irq(struct ice_vsi *vsi, struct ice_q_vector *q_vector);
31void ice_qvec_dis_irq(struct ice_vsi *vsi, struct ice_rx_ring *rx_ring,
32 struct ice_q_vector *q_vector);
33#else
34static inline bool ice_xmit_zc(struct ice_tx_ring __always_unused *xdp_ring,
35 struct xsk_buff_pool __always_unused *xsk_pool)
36{
37 return false;
38}
39
40static inline int
41ice_xsk_pool_setup(struct ice_vsi __always_unused *vsi,
42 struct xsk_buff_pool __always_unused *pool,
43 u16 __always_unused qid)
44{
45 return -EOPNOTSUPP;
46}
47
48static inline int
49ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused *rx_ring,
50 struct xsk_buff_pool __always_unused *xsk_pool,
51 int __always_unused budget)
52{
53 return 0;
54}
55
56static inline bool
57ice_alloc_rx_bufs_zc(struct ice_rx_ring __always_unused *rx_ring,
58 struct xsk_buff_pool __always_unused *xsk_pool,
59 u16 __always_unused count)
60{
61 return false;
62}
63
64static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi)
65{
66 return false;
67}
68
69static inline int
70ice_xsk_wakeup(struct net_device __always_unused *netdev,
71 u32 __always_unused queue_id, u32 __always_unused flags)
72{
73 return -EOPNOTSUPP;
74}
75
76static inline void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring) { }
77static inline void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring) { }
78
79static inline int
80ice_realloc_rx_xdp_bufs(struct ice_rx_ring *rx_ring,
81 bool __always_unused pool_present)
82{
83 return 0;
84}
85
86static inline void
87ice_qvec_cfg_msix(struct ice_vsi *vsi, struct ice_q_vector *q_vector,
88 u16 qid) { }
89
90static inline void
91ice_qvec_toggle_napi(struct ice_vsi *vsi, struct ice_q_vector *q_vector,
92 bool enable) { }
93
94static inline void
95ice_qvec_ena_irq(struct ice_vsi *vsi, struct ice_q_vector *q_vector) { }
96
97static inline void
98ice_qvec_dis_irq(struct ice_vsi *vsi, struct ice_rx_ring *rx_ring,
99 struct ice_q_vector *q_vector) { }
100#endif /* CONFIG_XDP_SOCKETS */
101#endif /* !_ICE_XSK_H_ */