cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

nfp_net_xsk.h (1266B)

      1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
      2/* Copyright (C) 2018 Netronome Systems, Inc */
      3/* Copyright (C) 2021 Corigine, Inc */
      4
      5#ifndef _NFP_XSK_H_
      6#define _NFP_XSK_H_
      7
      8#include <net/xdp_sock_drv.h>
      9
     10#define NFP_NET_XSK_TX_BATCH 16		/* XSK TX transmission batch size. */
     11
     12static inline bool nfp_net_has_xsk_pool_slow(struct nfp_net_dp *dp,
     13					     unsigned int qid)
     14{
     15	return dp->xdp_prog && dp->xsk_pools[qid];
     16}
     17
     18static inline int nfp_net_rx_space(struct nfp_net_rx_ring *rx_ring)
     19{
     20	return rx_ring->cnt - rx_ring->wr_p + rx_ring->rd_p - 1;
     21}
     22
     23static inline int nfp_net_tx_space(struct nfp_net_tx_ring *tx_ring)
     24{
     25	return tx_ring->cnt - tx_ring->wr_p + tx_ring->rd_p - 1;
     26}
     27
     28void nfp_net_xsk_rx_unstash(struct nfp_net_xsk_rx_buf *rxbuf);
     29void nfp_net_xsk_rx_free(struct nfp_net_xsk_rx_buf *rxbuf);
     30void nfp_net_xsk_rx_drop(struct nfp_net_r_vector *r_vec,
     31			 struct nfp_net_xsk_rx_buf *xrxbuf);
     32int nfp_net_xsk_setup_pool(struct net_device *netdev, struct xsk_buff_pool *pool,
     33			   u16 queue_id);
     34
     35void nfp_net_xsk_rx_bufs_free(struct nfp_net_rx_ring *rx_ring);
     36
     37void nfp_net_xsk_rx_ring_fill_freelist(struct nfp_net_rx_ring *rx_ring);
     38
     39int nfp_net_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
     40
     41#endif /* _NFP_XSK_H_ */