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