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 #include "ice.h"
8
9 struct ice_vsi;
10
11 #ifdef CONFIG_XDP_SOCKETS
12 int ice_xsk_pool_setup(struct ice_vsi *vsi, struct xsk_buff_pool *pool,
13 u16 qid);
14 int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget);
15 bool ice_clean_tx_irq_zc(struct ice_tx_ring *xdp_ring, int budget);
16 int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
17 bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count);
18 bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi);
19 void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring);
20 void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring);
21 #else
22 static inline int
ice_xsk_pool_setup(struct ice_vsi __always_unused * vsi,struct xsk_buff_pool __always_unused * pool,u16 __always_unused qid)23 ice_xsk_pool_setup(struct ice_vsi __always_unused *vsi,
24 struct xsk_buff_pool __always_unused *pool,
25 u16 __always_unused qid)
26 {
27 return -EOPNOTSUPP;
28 }
29
30 static inline int
ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused * rx_ring,int __always_unused budget)31 ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused *rx_ring,
32 int __always_unused budget)
33 {
34 return 0;
35 }
36
37 static inline bool
ice_clean_tx_irq_zc(struct ice_tx_ring __always_unused * xdp_ring,int __always_unused budget)38 ice_clean_tx_irq_zc(struct ice_tx_ring __always_unused *xdp_ring,
39 int __always_unused budget)
40 {
41 return false;
42 }
43
44 static inline bool
ice_alloc_rx_bufs_zc(struct ice_rx_ring __always_unused * rx_ring,u16 __always_unused count)45 ice_alloc_rx_bufs_zc(struct ice_rx_ring __always_unused *rx_ring,
46 u16 __always_unused count)
47 {
48 return false;
49 }
50
ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused * vsi)51 static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi)
52 {
53 return false;
54 }
55
56 static inline int
ice_xsk_wakeup(struct net_device __always_unused * netdev,u32 __always_unused queue_id,u32 __always_unused flags)57 ice_xsk_wakeup(struct net_device __always_unused *netdev,
58 u32 __always_unused queue_id, u32 __always_unused flags)
59 {
60 return -EOPNOTSUPP;
61 }
62
ice_xsk_clean_rx_ring(struct ice_rx_ring * rx_ring)63 static inline void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring) { }
ice_xsk_clean_xdp_ring(struct ice_tx_ring * xdp_ring)64 static inline void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring) { }
65 #endif /* CONFIG_XDP_SOCKETS */
66 #endif /* !_ICE_XSK_H_ */
67