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_ */ 86