1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2018 Intel Corporation. */
7 #include <linux/types.h>
9 /* This value should match the pragma in the loop_unrolled_for
10 * macro. Why 4? It is strictly empirical. It seems to be a good
11 * compromise between the advantage of having simultaneous outstanding
12 * reads to the DMA array that can hide each others latency and the
13 * disadvantage of having a larger code path.
15 #define PKTS_PER_BATCH 4
18 #define loop_unrolled_for _Pragma("clang loop unroll_count(4)") for
20 #define loop_unrolled_for _Pragma("GCC unroll 4") for
22 #define loop_unrolled_for for
30 int i40e_queue_pair_disable(struct i40e_vsi *vsi, int queue_pair);
31 int i40e_queue_pair_enable(struct i40e_vsi *vsi, int queue_pair);
32 int i40e_xsk_pool_setup(struct i40e_vsi *vsi, struct xsk_buff_pool *pool,
34 bool i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 cleaned_count);
35 int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget);
37 bool i40e_clean_xdp_tx_irq(struct i40e_vsi *vsi, struct i40e_ring *tx_ring);
38 int i40e_xsk_wakeup(struct net_device *dev, u32 queue_id, u32 flags);
39 int i40e_realloc_rx_bi_zc(struct i40e_vsi *vsi, bool zc);
40 void i40e_clear_rx_bi_zc(struct i40e_ring *rx_ring);
42 #endif /* _I40E_XSK_H_ */