JustOS/linux-6.13/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h

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2025-01-24 14:00:19 +00:00
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) Meta Platforms, Inc. and affiliates. */
#ifndef _FBNIC_NETDEV_H_
#define _FBNIC_NETDEV_H_
#include <linux/types.h>
#include <linux/phylink.h>
#include "fbnic_csr.h"
#include "fbnic_rpc.h"
#include "fbnic_txrx.h"
struct fbnic_net {
struct fbnic_ring *tx[FBNIC_MAX_TXQS];
struct fbnic_ring *rx[FBNIC_MAX_RXQS];
struct net_device *netdev;
struct fbnic_dev *fbd;
u32 txq_size;
u32 hpq_size;
u32 ppq_size;
u32 rcq_size;
u16 num_napi;
struct phylink *phylink;
struct phylink_config phylink_config;
struct phylink_pcs phylink_pcs;
/* TBD: Remove these when phylink supports FEC and lane config */
u8 fec;
u8 link_mode;
/* Cached top bits of the HW time counter for 40b -> 64b conversion */
u32 time_high;
/* Protect readers of @time_offset, writers take @time_lock. */
struct u64_stats_sync time_seq;
/* Offset in ns between free running NIC PHC and time set via PTP
* clock callbacks
*/
s64 time_offset;
u16 num_tx_queues;
u16 num_rx_queues;
u8 indir_tbl[FBNIC_RPC_RSS_TBL_COUNT][FBNIC_RPC_RSS_TBL_SIZE];
u32 rss_key[FBNIC_RPC_RSS_KEY_DWORD_LEN];
u32 rss_flow_hash[FBNIC_NUM_HASH_OPT];
/* Storage for stats after ring destruction */
struct fbnic_queue_stats tx_stats;
struct fbnic_queue_stats rx_stats;
u64 link_down_events;
/* Time stampinn filter config */
struct kernel_hwtstamp_config hwtstamp_config;
struct list_head napis;
};
int __fbnic_open(struct fbnic_net *fbn);
void fbnic_up(struct fbnic_net *fbn);
void fbnic_down(struct fbnic_net *fbn);
struct net_device *fbnic_netdev_alloc(struct fbnic_dev *fbd);
void fbnic_netdev_free(struct fbnic_dev *fbd);
int fbnic_netdev_register(struct net_device *netdev);
void fbnic_netdev_unregister(struct net_device *netdev);
void fbnic_reset_queues(struct fbnic_net *fbn,
unsigned int tx, unsigned int rx);
void fbnic_set_ethtool_ops(struct net_device *dev);
int fbnic_ptp_setup(struct fbnic_dev *fbd);
void fbnic_ptp_destroy(struct fbnic_dev *fbd);
void fbnic_time_init(struct fbnic_net *fbn);
int fbnic_time_start(struct fbnic_net *fbn);
void fbnic_time_stop(struct fbnic_net *fbn);
void __fbnic_set_rx_mode(struct net_device *netdev);
void fbnic_clear_rx_mode(struct net_device *netdev);
int fbnic_phylink_init(struct net_device *netdev);
#endif /* _FBNIC_NETDEV_H_ */