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
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
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
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
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 
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
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 
63 static inline void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_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