i40e_txrx_common.h | Explore in Territory

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2018 Intel Corporation. */

#ifndef I40E_TXRX_COMMON_
#define I40E_TXRX_COMMON_

#include "i40e.h"

int i40e_xmit_xdp_tx_ring(struct xdp_buff *xdp, struct i40e_ring *xdp_ring);
void i40e_clean_programming_status(struct i40e_ring *rx_ring, u64 qword0_raw,
				   u64 qword1);
void i40e_process_skb_fields(struct i40e_ring *rx_ring,
			     union i40e_rx_desc *rx_desc, struct sk_buff *skb);
void i40e_xdp_ring_update_tail(struct i40e_ring *xdp_ring);
void i40e_update_rx_stats(struct i40e_ring *rx_ring,
			  unsigned int total_rx_bytes,
			  unsigned int total_rx_packets);
void i40e_finalize_xdp_rx(struct i40e_ring *rx_ring, unsigned int xdp_res);
void i40e_release_rx_desc(struct i40e_ring *rx_ring, u32 val);

#define I40E_XDP_PASS …
#define I40E_XDP_CONSUMED …
#define I40E_XDP_TX …
#define I40E_XDP_REDIR …
#define I40E_XDP_EXIT …

/*
 * build_ctob - Builds the Tx descriptor (cmd, offset and type) qword
 */
static inline __le64 build_ctob(u32 td_cmd, u32 td_offset, unsigned int size,
				u32 td_tag)
{ … }

/**
 * i40e_update_tx_stats - Update the egress statistics for the Tx ring
 * @tx_ring: Tx ring to update
 * @total_packets: total packets sent
 * @total_bytes: total bytes sent
 **/
static inline void i40e_update_tx_stats(struct i40e_ring *tx_ring,
					unsigned int total_packets,
					unsigned int total_bytes)
{ … }

#define WB_STRIDE …

/**
 * i40e_arm_wb - (Possibly) arms Tx write-back
 * @tx_ring: Tx ring to update
 * @vsi: the VSI
 * @budget: the NAPI budget left
 **/
static inline void i40e_arm_wb(struct i40e_ring *tx_ring,
			       struct i40e_vsi *vsi,
			       int budget)
{ … }

/**
 * i40e_rx_is_programming_status - check for programming status descriptor
 * @qword1: qword1 representing status_error_len in CPU ordering
 *
 * The value of in the descriptor length field indicate if this
 * is a programming status descriptor for flow director or FCoE
 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
 * it is a packet descriptor.
 **/
static inline bool i40e_rx_is_programming_status(u64 qword1)
{ … }

void i40e_xsk_clean_rx_ring(struct i40e_ring *rx_ring);
void i40e_xsk_clean_tx_ring(struct i40e_ring *tx_ring);
bool i40e_xsk_any_rx_ring_enabled(struct i40e_vsi *vsi);

#endif /* I40E_TXRX_COMMON_ */
linux/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h
