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 18struct ice_vsi; 19 20#ifdef CONFIG_XDP_SOCKETS 21int ice_xsk_pool_setup(struct ice_vsi *vsi, struct xsk_buff_pool *pool, 22 u16 qid); 23int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget); 24int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags); 25bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count); 26bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi); 27void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring); 28void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring); 29bool ice_xmit_zc(struct ice_tx_ring *xdp_ring); 30int ice_realloc_zc_buf(struct ice_vsi *vsi, bool zc); 31#else 32static inline bool ice_xmit_zc(struct ice_tx_ring __always_unused *xdp_ring) 33{ 34 return false; 35} 36 37static inline int 38ice_xsk_pool_setup(struct ice_vsi __always_unused *vsi, 39 struct xsk_buff_pool __always_unused *pool, 40 u16 __always_unused qid) 41{ 42 return -EOPNOTSUPP; 43} 44 45static inline int 46ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused *rx_ring, 47 int __always_unused budget) 48{ 49 return 0; 50} 51 52static inline bool 53ice_alloc_rx_bufs_zc(struct ice_rx_ring __always_unused *rx_ring, 54 u16 __always_unused count) 55{ 56 return false; 57} 58 59static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi) 60{ 61 return false; 62} 63 64static inline int 65ice_xsk_wakeup(struct net_device __always_unused *netdev, 66 u32 __always_unused queue_id, u32 __always_unused flags) 67{ 68 return -EOPNOTSUPP; 69} 70 71static inline void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring) { } 72static inline void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring) { } 73 74static inline int 75ice_realloc_zc_buf(struct ice_vsi __always_unused *vsi, 76 bool __always_unused zc) 77{ 78 return 0; 79} 80#endif /* CONFIG_XDP_SOCKETS */ 81#endif /* !_ICE_XSK_H_ */ 82