cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ice_xsk.h (2060B)

      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, u32 budget, int napi_budget);
     30#else
     31static inline bool
     32ice_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
     39static inline int
     40ice_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
     47static inline int
     48ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused *rx_ring,
     49		    int __always_unused budget)
     50{
     51	return 0;
     52}
     53
     54static inline bool
     55ice_alloc_rx_bufs_zc(struct ice_rx_ring __always_unused *rx_ring,
     56		     u16 __always_unused count)
     57{
     58	return false;
     59}
     60
     61static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi)
     62{
     63	return false;
     64}
     65
     66static inline int
     67ice_xsk_wakeup(struct net_device __always_unused *netdev,
     68	       u32 __always_unused queue_id, u32 __always_unused flags)
     69{
     70	return -EOPNOTSUPP;
     71}
     72
     73static inline void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring) { }
     74static inline void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring) { }
     75#endif /* CONFIG_XDP_SOCKETS */
     76#endif /* !_ICE_XSK_H_ */