linux/drivers/net/ethernet/tehuti/tn40.h

/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (c) Tehuti Networks Ltd. */

#ifndef _TN40_H_
#define _TN40_H_

#include "tn40_regs.h"

#define TN40_DRV_NAME …

#define TN40_MDIO_SPEED_1MHZ …
#define TN40_MDIO_SPEED_6MHZ …

/* netdev tx queue len for Luxor. The default value is 1000.
 * ifconfig eth1 txqueuelen 3000 - to change it at runtime.
 */
#define TN40_NDEV_TXQ_LEN …

#define TN40_FIFO_SIZE …
#define TN40_FIFO_EXTRA_SPACE …

#define TN40_TXF_DESC_SZ …
#define TN40_MAX_TX_LEVEL …
#define TN40_MIN_TX_LEVEL …
#define TN40_NO_UPD_PACKETS …
#define TN40_MAX_MTU …

#define TN40_PCK_TH_MULT …
#define TN40_INT_COAL_MULT …

#define TN40_INT_REG_VAL(coal, coal_rc, rxf_th, pck_th) …

struct tn40_fifo { … };

struct tn40_txf_fifo { … };

struct tn40_txd_fifo { … };

struct tn40_rxf_fifo { … };

struct tn40_rxd_fifo { … };

struct tn40_rx_map { … };

struct tn40_rxdb { … };

tn40_tx_dma_addr;

/* Entry in the db.
 * if len == 0 addr is dma
 * if len != 0 addr is skb
 */
struct tn40_tx_map { … };

/* tx database - implemented as circular fifo buffer */
struct tn40_txdb { … };

struct tn40_priv { … };

/* RX FREE descriptor - 64bit */
struct tn40_rxf_desc { … };

#define TN40_GET_RXD_BC(x) …
#define TN40_GET_RXD_ERR(x) …
#define TN40_GET_RXD_PKT_ID(x) …
#define TN40_GET_RXD_VTAG(x) …
#define TN40_GET_RXD_VLAN_TCI(x) …

struct tn40_rxd_desc { … };

#define TN40_MAX_PBL …
/* PBL describes each virtual buffer to be transmitted from the host. */
struct tn40_pbl { … };

/* First word for TXD descriptor. It means: type = 3 for regular Tx packet,
 * hw_csum = 7 for IP+UDP+TCP HW checksums.
 */
#define TN40_TXD_W1_VAL(bc, checksum, vtag, lgsnd, vlan_id) …

struct tn40_txd_desc { … };

struct tn40_txf_desc { … };

static inline u32 tn40_read_reg(struct tn40_priv *priv, u32 reg)
{ … }

static inline void tn40_write_reg(struct tn40_priv *priv, u32 reg, u32 val)
{ … }

int tn40_set_link_speed(struct tn40_priv *priv, u32 speed);

int tn40_mdiobus_init(struct tn40_priv *priv);

int tn40_phy_register(struct tn40_priv *priv);
void tn40_phy_unregister(struct tn40_priv *priv);

#endif /* _TN40XX_H */