/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) Meta Platforms, Inc. and affiliates. */
#ifndef _FBNIC_MAC_H_
#define _FBNIC_MAC_H_
#include <linux/types.h>
struct fbnic_dev;
#define FBNIC_MAX_JUMBO_FRAME_SIZE 9742
enum {
FBNIC_LINK_EVENT_NONE = 0 ,
FBNIC_LINK_EVENT_UP = 1 ,
FBNIC_LINK_EVENT_DOWN = 2 ,
};
/* Treat the FEC bits as a bitmask laid out as follows:
* Bit 0 : RS Enabled
* Bit 1 : BASER ( Firecode ) Enabled
* Bit 2 : Retrieve FEC from FW
*/
enum {
FBNIC_FEC_OFF = 0 ,
FBNIC_FEC_RS = 1 ,
FBNIC_FEC_BASER = 2 ,
};
/* Treat the AUI modes as a modulation/lanes bitmask:
* Bit 0 : Lane Count , 0 = R1 , 1 = R2
* Bit 1 : Modulation , 0 = NRZ , 1 = PAM4
* Bit 2 : Unknown Modulation / Lane Configuration
*/
enum {
FBNIC_AUI_25GAUI = 0 , /* 25.7812GBd 25.78125 * 1 */
FBNIC_AUI_LAUI2 = 1 , /* 51.5625GBd 25.78128 * 2 */
FBNIC_AUI_50GAUI1 = 2 , /* 53.125GBd 53.125 * 1 */
FBNIC_AUI_100GAUI2 = 3 , /* 106.25GBd 53.125 * 2 */
FBNIC_AUI_UNKNOWN = 4 ,
};
#define FBNIC_AUI_MODE_R2 (FBNIC_AUI_LAUI2)
#define FBNIC_AUI_MODE_PAM4 (FBNIC_AUI_50GAUI1)
enum fbnic_sensor_id {
FBNIC_SENSOR_TEMP, /* Temp in millidegrees Centigrade */
FBNIC_SENSOR_VOLTAGE, /* Voltage in millivolts */
};
/* This structure defines the interface hooks for the MAC. The MAC hooks
* will be configured as a const struct provided with a set of function
* pointers .
*
* void ( * init_regs ) ( struct fbnic_dev * fbd ) ;
* Initialize MAC registers to enable Tx / Rx paths and FIFOs .
*
* void ( * pcs_enable ) ( struct fbnic_dev * fbd ) ;
* Configure and enable PCS to enable link if not already enabled
* void ( * pcs_disable ) ( struct fbnic_dev * fbd ) ;
* Shutdown the link if we are the only consumer of it .
* bool ( * pcs_get_link ) ( struct fbnic_dev * fbd ) ;
* Check PCS link status
* int ( * pcs_get_link_event ) ( struct fbnic_dev * fbd )
* Get the current link event status , reports true if link has
* changed to either FBNIC_LINK_EVENT_DOWN or FBNIC_LINK_EVENT_UP
*
* void ( * link_down ) ( struct fbnic_dev * fbd ) ;
* Configure MAC for link down event
* void ( * link_up ) ( struct fbnic_dev * fbd , bool tx_pause , bool rx_pause ) ;
* Configure MAC for link up event ;
*
*/
struct fbnic_mac {
void (*init_regs)(struct fbnic_dev *fbd);
int (*pcs_enable)(struct fbnic_dev *fbd);
void (*pcs_disable)(struct fbnic_dev *fbd);
bool (*pcs_get_link)(struct fbnic_dev *fbd);
int (*pcs_get_link_event)(struct fbnic_dev *fbd);
void (*get_eth_mac_stats)(struct fbnic_dev *fbd, bool reset,
struct fbnic_eth_mac_stats *mac_stats);
void (*get_eth_ctrl_stats)(struct fbnic_dev *fbd, bool reset,
struct fbnic_eth_ctrl_stats *ctrl_stats);
void (*get_rmon_stats)(struct fbnic_dev *fbd, bool reset,
struct fbnic_rmon_stats *rmon_stats);
void (*link_down)(struct fbnic_dev *fbd);
void (*link_up)(struct fbnic_dev *fbd, bool tx_pause, bool rx_pause);
int (*get_sensor)(struct fbnic_dev *fbd, int id, long *val);
};
int fbnic_mac_init(struct fbnic_dev *fbd);
void fbnic_mac_get_fw_settings(struct fbnic_dev *fbd, u8 *aui, u8 *fec);
#endif /* _FBNIC_MAC_H_ */
Messung V0.5 in Prozent C=88 H=100 G=94
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-09-28)
¤
*© Formatika GbR, Deutschland