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 struct ice_vsi; 11 12 #ifdef CONFIG_XDP_SOCKETS 13 int ice_xsk_pool_setup(struct ice_vsi *vsi, struct xsk_buff_pool *pool, 14 u16 qid); 15 int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, 16 struct xsk_buff_pool *xsk_pool, 17 int budget); 18 int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags); 19 bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, 20 struct xsk_buff_pool *xsk_pool, u16 count); 21 bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi); 22 void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring); 23 void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring); 24 bool ice_xmit_zc(struct ice_tx_ring *xdp_ring, struct xsk_buff_pool *xsk_pool); 25 int ice_realloc_zc_buf(struct ice_vsi *vsi, bool zc); 26 #else 27 static inline bool ice_xmit_zc(struct ice_tx_ring __always_unused *xdp_ring, 28 struct xsk_buff_pool __always_unused *xsk_pool) 29 { 30 return false; 31 } 32 33 static inline int 34 ice_xsk_pool_setup(struct ice_vsi __always_unused *vsi, 35 struct xsk_buff_pool __always_unused *pool, 36 u16 __always_unused qid) 37 { 38 return -EOPNOTSUPP; 39 } 40 41 static inline int 42 ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused *rx_ring, 43 struct xsk_buff_pool __always_unused *xsk_pool, 44 int __always_unused budget) 45 { 46 return 0; 47 } 48 49 static inline bool 50 ice_alloc_rx_bufs_zc(struct ice_rx_ring __always_unused *rx_ring, 51 struct xsk_buff_pool __always_unused *xsk_pool, 52 u16 __always_unused count) 53 { 54 return false; 55 } 56 57 static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi) 58 { 59 return false; 60 } 61 62 static inline int 63 ice_xsk_wakeup(struct net_device __always_unused *netdev, 64 u32 __always_unused queue_id, u32 __always_unused flags) 65 { 66 return -EOPNOTSUPP; 67 } 68 69 static inline void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring) { } 70 static inline void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring) { } 71 72 static inline int 73 ice_realloc_zc_buf(struct ice_vsi __always_unused *vsi, 74 bool __always_unused zc) 75 { 76 return 0; 77 } 78 #endif /* CONFIG_XDP_SOCKETS */ 79 #endif /* !_ICE_XSK_H_ */ 80