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 #define FBNIC_MAX_NAPI_VECTORS 128u 15 16 struct fbnic_net { 17 struct fbnic_ring *tx[FBNIC_MAX_TXQS]; 18 struct fbnic_ring *rx[FBNIC_MAX_RXQS]; 19 20 struct fbnic_napi_vector *napi[FBNIC_MAX_NAPI_VECTORS]; 21 22 struct net_device *netdev; 23 struct fbnic_dev *fbd; 24 25 u32 txq_size; 26 u32 hpq_size; 27 u32 ppq_size; 28 u32 rcq_size; 29 30 u16 num_napi; 31 32 struct phylink *phylink; 33 struct phylink_config phylink_config; 34 struct phylink_pcs phylink_pcs; 35 36 /* TBD: Remove these when phylink supports FEC and lane config */ 37 u8 fec; 38 u8 link_mode; 39 40 /* Cached top bits of the HW time counter for 40b -> 64b conversion */ 41 u32 time_high; 42 /* Protect readers of @time_offset, writers take @time_lock. */ 43 struct u64_stats_sync time_seq; 44 /* Offset in ns between free running NIC PHC and time set via PTP 45 * clock callbacks 46 */ 47 s64 time_offset; 48 49 u16 num_tx_queues; 50 u16 num_rx_queues; 51 52 u8 indir_tbl[FBNIC_RPC_RSS_TBL_COUNT][FBNIC_RPC_RSS_TBL_SIZE]; 53 u32 rss_key[FBNIC_RPC_RSS_KEY_DWORD_LEN]; 54 u32 rss_flow_hash[FBNIC_NUM_HASH_OPT]; 55 56 /* Storage for stats after ring destruction */ 57 struct fbnic_queue_stats tx_stats; 58 struct fbnic_queue_stats rx_stats; 59 u64 link_down_events; 60 61 /* Time stampinn filter config */ 62 struct kernel_hwtstamp_config hwtstamp_config; 63 }; 64 65 int __fbnic_open(struct fbnic_net *fbn); 66 void fbnic_up(struct fbnic_net *fbn); 67 void fbnic_down(struct fbnic_net *fbn); 68 void fbnic_down_noidle(struct fbnic_net *fbn); 69 70 struct net_device *fbnic_netdev_alloc(struct fbnic_dev *fbd); 71 void fbnic_netdev_free(struct fbnic_dev *fbd); 72 int fbnic_netdev_register(struct net_device *netdev); 73 void fbnic_netdev_unregister(struct net_device *netdev); 74 void fbnic_reset_queues(struct fbnic_net *fbn, 75 unsigned int tx, unsigned int rx); 76 void fbnic_set_ethtool_ops(struct net_device *dev); 77 78 int fbnic_ptp_setup(struct fbnic_dev *fbd); 79 void fbnic_ptp_destroy(struct fbnic_dev *fbd); 80 void fbnic_time_init(struct fbnic_net *fbn); 81 int fbnic_time_start(struct fbnic_net *fbn); 82 void fbnic_time_stop(struct fbnic_net *fbn); 83 84 void __fbnic_set_rx_mode(struct net_device *netdev); 85 void fbnic_clear_rx_mode(struct net_device *netdev); 86 87 int fbnic_phylink_init(struct net_device *netdev); 88 #endif /* _FBNIC_NETDEV_H_ */ 89