| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* Copyright (c) 2019, Intel Corporation. */ |
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| 3 | |
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| 4 | #ifndef _ICE_XSK_H_ |
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| 5 | #define _ICE_XSK_H_ |
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| 6 | #include "ice_txrx.h" |
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| 7 | |
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| 8 | #define PKTS_PER_BATCH 8 |
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| 9 | |
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| 10 | #ifdef __clang__ |
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| 11 | #define loop_unrolled_for _Pragma("clang loop unroll_count(8)") for |
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| 12 | #elif __GNUC__ >= 8 |
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| 13 | #define loop_unrolled_for _Pragma("GCC unroll 8") for |
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| 14 | #else |
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| 15 | #define loop_unrolled_for for |
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| 16 | #endif |
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| 17 | |
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| 18 | struct ice_vsi; |
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| 19 | |
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| 20 | #ifdef CONFIG_XDP_SOCKETS |
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| 21 | int ice_xsk_pool_setup(struct ice_vsi *vsi, struct xsk_buff_pool *pool, |
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| 22 | u16 qid); |
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| 23 | int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget); |
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| 24 | int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags); |
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| 25 | bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count); |
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| 26 | bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi); |
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| 27 | void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring); |
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| 28 | void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring); |
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| 29 | bool ice_xmit_zc(struct ice_tx_ring *xdp_ring); |
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| 30 | int ice_realloc_zc_buf(struct ice_vsi *vsi, bool zc); |
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| 31 | #else |
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| 32 | static inline bool ice_xmit_zc(struct ice_tx_ring __always_unused *xdp_ring) |
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| 33 | { |
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| 34 | return false; |
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| 35 | } |
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| 36 | |
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| 37 | static inline int |
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| 38 | ice_xsk_pool_setup(struct ice_vsi __always_unused *vsi, |
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| 39 | struct xsk_buff_pool __always_unused *pool, |
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| 40 | u16 __always_unused qid) |
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| 41 | { |
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| 42 | return -EOPNOTSUPP; |
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| 43 | } |
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| 44 | |
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| 45 | static inline int |
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| 46 | ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused *rx_ring, |
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| 47 | int __always_unused budget) |
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| 48 | { |
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| 49 | return 0; |
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| 50 | } |
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| 51 | |
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| 52 | static inline bool |
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| 53 | ice_alloc_rx_bufs_zc(struct ice_rx_ring __always_unused *rx_ring, |
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| 54 | u16 __always_unused count) |
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| 55 | { |
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| 56 | return false; |
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| 57 | } |
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| 58 | |
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| 59 | static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi) |
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| 60 | { |
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| 61 | return false; |
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| 62 | } |
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| 63 | |
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| 64 | static inline int |
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| 65 | ice_xsk_wakeup(struct net_device __always_unused *netdev, |
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| 66 | u32 __always_unused queue_id, u32 __always_unused flags) |
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| 67 | { |
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| 68 | return -EOPNOTSUPP; |
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| 69 | } |
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| 70 | |
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| 71 | static inline void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring) { } |
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| 72 | static inline void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring) { } |
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| 73 | |
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| 74 | static inline int |
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| 75 | ice_realloc_zc_buf(struct ice_vsi __always_unused *vsi, |
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| 76 | bool __always_unused zc) |
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| 77 | { |
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| 78 | return 0; |
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| 79 | } |
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| 80 | #endif /* CONFIG_XDP_SOCKETS */ |
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| 81 | #endif /* !_ICE_XSK_H_ */ |
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| 82 | |
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