1 /* 2 * aQuantia Corporation Network Driver 3 * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 */ 9 10 /* File aq_hw.h: Declaration of abstract interface for NIC hardware specific 11 * functions. 12 */ 13 14 #ifndef AQ_HW_H 15 #define AQ_HW_H 16 17 #include "aq_common.h" 18 #include "aq_rss.h" 19 #include "hw_atl/hw_atl_utils.h" 20 21 /* NIC H/W capabilities */ 22 struct aq_hw_caps_s { 23 u64 hw_features; 24 u64 link_speed_msk; 25 unsigned int hw_priv_flags; 26 u32 media_type; 27 u32 rxds_max; 28 u32 txds_max; 29 u32 rxds_min; 30 u32 txds_min; 31 u32 txhwb_alignment; 32 u32 irq_mask; 33 u32 vecs; 34 u32 mtu; 35 u32 mac_regs_count; 36 u32 hw_alive_check_addr; 37 u8 msix_irqs; 38 u8 tcs; 39 u8 rxd_alignment; 40 u8 rxd_size; 41 u8 txd_alignment; 42 u8 txd_size; 43 u8 tx_rings; 44 u8 rx_rings; 45 bool flow_control; 46 bool is_64_dma; 47 }; 48 49 struct aq_hw_link_status_s { 50 unsigned int mbps; 51 }; 52 53 struct aq_stats_s { 54 u64 uprc; 55 u64 mprc; 56 u64 bprc; 57 u64 erpt; 58 u64 uptc; 59 u64 mptc; 60 u64 bptc; 61 u64 erpr; 62 u64 mbtc; 63 u64 bbtc; 64 u64 mbrc; 65 u64 bbrc; 66 u64 ubrc; 67 u64 ubtc; 68 u64 dpc; 69 u64 dma_pkt_rc; 70 u64 dma_pkt_tc; 71 u64 dma_oct_rc; 72 u64 dma_oct_tc; 73 }; 74 75 #define AQ_HW_IRQ_INVALID 0U 76 #define AQ_HW_IRQ_LEGACY 1U 77 #define AQ_HW_IRQ_MSI 2U 78 #define AQ_HW_IRQ_MSIX 3U 79 80 #define AQ_HW_POWER_STATE_D0 0U 81 #define AQ_HW_POWER_STATE_D3 3U 82 83 #define AQ_HW_FLAG_STARTED 0x00000004U 84 #define AQ_HW_FLAG_STOPPING 0x00000008U 85 #define AQ_HW_FLAG_RESETTING 0x00000010U 86 #define AQ_HW_FLAG_CLOSING 0x00000020U 87 #define AQ_HW_LINK_DOWN 0x04000000U 88 #define AQ_HW_FLAG_ERR_UNPLUG 0x40000000U 89 #define AQ_HW_FLAG_ERR_HW 0x80000000U 90 91 #define AQ_HW_FLAG_ERRORS (AQ_HW_FLAG_ERR_HW | AQ_HW_FLAG_ERR_UNPLUG) 92 93 #define AQ_NIC_FLAGS_IS_NOT_READY (AQ_NIC_FLAG_STOPPING | \ 94 AQ_NIC_FLAG_RESETTING | AQ_NIC_FLAG_CLOSING | \ 95 AQ_NIC_FLAG_ERR_UNPLUG | AQ_NIC_FLAG_ERR_HW) 96 97 #define AQ_NIC_FLAGS_IS_NOT_TX_READY (AQ_NIC_FLAGS_IS_NOT_READY | \ 98 AQ_NIC_LINK_DOWN) 99 100 #define AQ_HW_MEDIA_TYPE_TP 1U 101 #define AQ_HW_MEDIA_TYPE_FIBRE 2U 102 103 #define AQ_HW_TXD_MULTIPLE 8U 104 #define AQ_HW_RXD_MULTIPLE 8U 105 106 struct aq_hw_s { 107 atomic_t flags; 108 u8 rbl_enabled:1; 109 struct aq_nic_cfg_s *aq_nic_cfg; 110 const struct aq_fw_ops *aq_fw_ops; 111 void __iomem *mmio; 112 struct aq_hw_link_status_s aq_link_status; 113 struct hw_aq_atl_utils_mbox mbox; 114 struct hw_atl_stats_s last_stats; 115 struct aq_stats_s curr_stats; 116 u64 speed; 117 u32 itr_tx; 118 u32 itr_rx; 119 unsigned int chip_features; 120 u32 fw_ver_actual; 121 atomic_t dpc; 122 u32 mbox_addr; 123 u32 rpc_addr; 124 u32 rpc_tid; 125 struct hw_aq_atl_utils_fw_rpc rpc; 126 }; 127 128 struct aq_ring_s; 129 struct aq_ring_param_s; 130 struct sk_buff; 131 132 struct aq_hw_ops { 133 134 int (*hw_ring_tx_xmit)(struct aq_hw_s *self, struct aq_ring_s *aq_ring, 135 unsigned int frags); 136 137 int (*hw_ring_rx_receive)(struct aq_hw_s *self, 138 struct aq_ring_s *aq_ring); 139 140 int (*hw_ring_rx_fill)(struct aq_hw_s *self, struct aq_ring_s *aq_ring, 141 unsigned int sw_tail_old); 142 143 int (*hw_ring_tx_head_update)(struct aq_hw_s *self, 144 struct aq_ring_s *aq_ring); 145 146 int (*hw_set_mac_address)(struct aq_hw_s *self, u8 *mac_addr); 147 148 int (*hw_reset)(struct aq_hw_s *self); 149 150 int (*hw_init)(struct aq_hw_s *self, u8 *mac_addr); 151 152 int (*hw_start)(struct aq_hw_s *self); 153 154 int (*hw_stop)(struct aq_hw_s *self); 155 156 int (*hw_ring_tx_init)(struct aq_hw_s *self, struct aq_ring_s *aq_ring, 157 struct aq_ring_param_s *aq_ring_param); 158 159 int (*hw_ring_tx_start)(struct aq_hw_s *self, 160 struct aq_ring_s *aq_ring); 161 162 int (*hw_ring_tx_stop)(struct aq_hw_s *self, 163 struct aq_ring_s *aq_ring); 164 165 int (*hw_ring_rx_init)(struct aq_hw_s *self, 166 struct aq_ring_s *aq_ring, 167 struct aq_ring_param_s *aq_ring_param); 168 169 int (*hw_ring_rx_start)(struct aq_hw_s *self, 170 struct aq_ring_s *aq_ring); 171 172 int (*hw_ring_rx_stop)(struct aq_hw_s *self, 173 struct aq_ring_s *aq_ring); 174 175 int (*hw_irq_enable)(struct aq_hw_s *self, u64 mask); 176 177 int (*hw_irq_disable)(struct aq_hw_s *self, u64 mask); 178 179 int (*hw_irq_read)(struct aq_hw_s *self, u64 *mask); 180 181 int (*hw_packet_filter_set)(struct aq_hw_s *self, 182 unsigned int packet_filter); 183 184 int (*hw_multicast_list_set)(struct aq_hw_s *self, 185 u8 ar_mac[AQ_CFG_MULTICAST_ADDRESS_MAX] 186 [ETH_ALEN], 187 u32 count); 188 189 int (*hw_interrupt_moderation_set)(struct aq_hw_s *self); 190 191 int (*hw_rss_set)(struct aq_hw_s *self, 192 struct aq_rss_parameters *rss_params); 193 194 int (*hw_rss_hash_set)(struct aq_hw_s *self, 195 struct aq_rss_parameters *rss_params); 196 197 int (*hw_get_regs)(struct aq_hw_s *self, 198 const struct aq_hw_caps_s *aq_hw_caps, 199 u32 *regs_buff); 200 201 struct aq_stats_s *(*hw_get_hw_stats)(struct aq_hw_s *self); 202 203 int (*hw_get_fw_version)(struct aq_hw_s *self, u32 *fw_version); 204 205 int (*hw_set_power)(struct aq_hw_s *self, unsigned int power_state); 206 }; 207 208 struct aq_fw_ops { 209 int (*init)(struct aq_hw_s *self); 210 211 int (*deinit)(struct aq_hw_s *self); 212 213 int (*reset)(struct aq_hw_s *self); 214 215 int (*renegotiate)(struct aq_hw_s *self); 216 217 int (*get_mac_permanent)(struct aq_hw_s *self, u8 *mac); 218 219 int (*set_link_speed)(struct aq_hw_s *self, u32 speed); 220 221 int (*set_state)(struct aq_hw_s *self, 222 enum hal_atl_utils_fw_state_e state); 223 224 int (*update_link_status)(struct aq_hw_s *self); 225 226 int (*update_stats)(struct aq_hw_s *self); 227 228 int (*set_flow_control)(struct aq_hw_s *self); 229 }; 230 231 #endif /* AQ_HW_H */ 232