drivers/net/ethernet/meta/fbnic/fbnic_netdev.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (c) Meta Platforms, Inc. and affiliates. */
   3
   4 #ifndef _FBNIC_NETDEV_H_
   5 #define _FBNIC_NETDEV_H_
   6
   7 #include <linux/types.h>
   8 #include <linux/phylink.h>
   9
  10 #include "fbnic_csr.h"
  11 #include "fbnic_rpc.h"
  12 #include "fbnic_txrx.h"
  13
  14 struct fbnic_net {
  15         struct fbnic_ring *tx[FBNIC_MAX_TXQS];
  16         struct fbnic_ring *rx[FBNIC_MAX_RXQS];
  17
  18         struct net_device *netdev;
  19         struct fbnic_dev *fbd;
  20
  21         u32 txq_size;
  22         u32 hpq_size;
  23         u32 ppq_size;
  24         u32 rcq_size;
  25
  26         u16 num_napi;
  27
  28         struct phylink *phylink;
  29         struct phylink_config phylink_config;
  30         struct phylink_pcs phylink_pcs;
  31
  32         /* TBD: Remove these when phylink supports FEC and lane config */
  33         u8 fec;
  34         u8 link_mode;
  35
  36         /* Cached top bits of the HW time counter for 40b -> 64b conversion */
  37         u32 time_high;
  38         /* Protect readers of @time_offset, writers take @time_lock. */
  39         struct u64_stats_sync time_seq;
  40         /* Offset in ns between free running NIC PHC and time set via PTP
  41          * clock callbacks
  42          */
  43         s64 time_offset;
  44
  45         u16 num_tx_queues;
  46         u16 num_rx_queues;
  47
  48         u8 indir_tbl[FBNIC_RPC_RSS_TBL_COUNT][FBNIC_RPC_RSS_TBL_SIZE];
  49         u32 rss_key[FBNIC_RPC_RSS_KEY_DWORD_LEN];
  50         u32 rss_flow_hash[FBNIC_NUM_HASH_OPT];
  51
  52         /* Storage for stats after ring destruction */
  53         struct fbnic_queue_stats tx_stats;
  54         struct fbnic_queue_stats rx_stats;
  55         u64 link_down_events;
  56
  57         /* Time stampinn filter config */
  58         struct kernel_hwtstamp_config hwtstamp_config;
  59
  60         struct list_head napis;
  61 };
  62
  63 int __fbnic_open(struct fbnic_net *fbn);
  64 void fbnic_up(struct fbnic_net *fbn);
  65 void fbnic_down(struct fbnic_net *fbn);
  66
  67 struct net_device *fbnic_netdev_alloc(struct fbnic_dev *fbd);
  68 void fbnic_netdev_free(struct fbnic_dev *fbd);
  69 int fbnic_netdev_register(struct net_device *netdev);
  70 void fbnic_netdev_unregister(struct net_device *netdev);
  71 void fbnic_reset_queues(struct fbnic_net *fbn,
  72                         unsigned int tx, unsigned int rx);
  73 void fbnic_set_ethtool_ops(struct net_device *dev);
  74
  75 int fbnic_ptp_setup(struct fbnic_dev *fbd);
  76 void fbnic_ptp_destroy(struct fbnic_dev *fbd);
  77 void fbnic_time_init(struct fbnic_net *fbn);
  78 int fbnic_time_start(struct fbnic_net *fbn);
  79 void fbnic_time_stop(struct fbnic_net *fbn);
  80
  81 void __fbnic_set_rx_mode(struct net_device *netdev);
  82 void fbnic_clear_rx_mode(struct net_device *netdev);
  83
  84 int fbnic_phylink_init(struct net_device *netdev);
  85 #endif /* _FBNIC_NETDEV_H_ */