drivers/net/ethernet/sfc/siena/nic.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /****************************************************************************
   3  * Driver for Solarflare network controllers and boards
   4  * Copyright 2005-2006 Fen Systems Ltd.
   5  * Copyright 2006-2013 Solarflare Communications Inc.
   6  */
   7
   8 #ifndef EFX_NIC_H
   9 #define EFX_NIC_H
  10
  11 #include "nic_common.h"
  12 #include "efx.h"
  13
  14 u32 efx_farch_fpga_ver(struct efx_nic *efx);
  15
  16 enum {
  17         PHY_TYPE_NONE = 0,
  18         PHY_TYPE_TXC43128 = 1,
  19         PHY_TYPE_88E1111 = 2,
  20         PHY_TYPE_SFX7101 = 3,
  21         PHY_TYPE_QT2022C2 = 4,
  22         PHY_TYPE_PM8358 = 6,
  23         PHY_TYPE_SFT9001A = 8,
  24         PHY_TYPE_QT2025C = 9,
  25         PHY_TYPE_SFT9001B = 10,
  26 };
  27
  28 enum {
  29         SIENA_STAT_tx_bytes = GENERIC_STAT_COUNT,
  30         SIENA_STAT_tx_good_bytes,
  31         SIENA_STAT_tx_bad_bytes,
  32         SIENA_STAT_tx_packets,
  33         SIENA_STAT_tx_bad,
  34         SIENA_STAT_tx_pause,
  35         SIENA_STAT_tx_control,
  36         SIENA_STAT_tx_unicast,
  37         SIENA_STAT_tx_multicast,
  38         SIENA_STAT_tx_broadcast,
  39         SIENA_STAT_tx_lt64,
  40         SIENA_STAT_tx_64,
  41         SIENA_STAT_tx_65_to_127,
  42         SIENA_STAT_tx_128_to_255,
  43         SIENA_STAT_tx_256_to_511,
  44         SIENA_STAT_tx_512_to_1023,
  45         SIENA_STAT_tx_1024_to_15xx,
  46         SIENA_STAT_tx_15xx_to_jumbo,
  47         SIENA_STAT_tx_gtjumbo,
  48         SIENA_STAT_tx_collision,
  49         SIENA_STAT_tx_single_collision,
  50         SIENA_STAT_tx_multiple_collision,
  51         SIENA_STAT_tx_excessive_collision,
  52         SIENA_STAT_tx_deferred,
  53         SIENA_STAT_tx_late_collision,
  54         SIENA_STAT_tx_excessive_deferred,
  55         SIENA_STAT_tx_non_tcpudp,
  56         SIENA_STAT_tx_mac_src_error,
  57         SIENA_STAT_tx_ip_src_error,
  58         SIENA_STAT_rx_bytes,
  59         SIENA_STAT_rx_good_bytes,
  60         SIENA_STAT_rx_bad_bytes,
  61         SIENA_STAT_rx_packets,
  62         SIENA_STAT_rx_good,
  63         SIENA_STAT_rx_bad,
  64         SIENA_STAT_rx_pause,
  65         SIENA_STAT_rx_control,
  66         SIENA_STAT_rx_unicast,
  67         SIENA_STAT_rx_multicast,
  68         SIENA_STAT_rx_broadcast,
  69         SIENA_STAT_rx_lt64,
  70         SIENA_STAT_rx_64,
  71         SIENA_STAT_rx_65_to_127,
  72         SIENA_STAT_rx_128_to_255,
  73         SIENA_STAT_rx_256_to_511,
  74         SIENA_STAT_rx_512_to_1023,
  75         SIENA_STAT_rx_1024_to_15xx,
  76         SIENA_STAT_rx_15xx_to_jumbo,
  77         SIENA_STAT_rx_gtjumbo,
  78         SIENA_STAT_rx_bad_gtjumbo,
  79         SIENA_STAT_rx_overflow,
  80         SIENA_STAT_rx_false_carrier,
  81         SIENA_STAT_rx_symbol_error,
  82         SIENA_STAT_rx_align_error,
  83         SIENA_STAT_rx_length_error,
  84         SIENA_STAT_rx_internal_error,
  85         SIENA_STAT_rx_nodesc_drop_cnt,
  86         SIENA_STAT_COUNT
  87 };
  88
  89 /**
  90  * struct siena_nic_data - Siena NIC state
  91  * @efx: Pointer back to main interface structure
  92  * @wol_filter_id: Wake-on-LAN packet filter id
  93  * @stats: Hardware statistics
  94  * @vf: Array of &struct siena_vf objects
  95  * @vf_buftbl_base: The zeroth buffer table index used to back VF queues.
  96  * @vfdi_status: Common VFDI status page to be dmad to VF address space.
  97  * @local_addr_list: List of local addresses. Protected by %local_lock.
  98  * @local_page_list: List of DMA addressable pages used to broadcast
  99  *      %local_addr_list. Protected by %local_lock.
 100  * @local_lock: Mutex protecting %local_addr_list and %local_page_list.
 101  * @peer_work: Work item to broadcast peer addresses to VMs.
 102  */
 103 struct siena_nic_data {
 104         struct efx_nic *efx;
 105         int wol_filter_id;
 106         u64 stats[SIENA_STAT_COUNT];
 107 #ifdef CONFIG_SFC_SIENA_SRIOV
 108         struct siena_vf *vf;
 109         struct efx_channel *vfdi_channel;
 110         unsigned vf_buftbl_base;
 111         struct efx_buffer vfdi_status;
 112         struct list_head local_addr_list;
 113         struct list_head local_page_list;
 114         struct mutex local_lock;
 115         struct work_struct peer_work;
 116 #endif
 117 };
 118
 119 extern const struct efx_nic_type siena_a0_nic_type;
 120
 121 int falcon_probe_board(struct efx_nic *efx, u16 revision_info);
 122
 123 /* Falcon/Siena queue operations */
 124 int efx_farch_tx_probe(struct efx_tx_queue *tx_queue);
 125 void efx_farch_tx_init(struct efx_tx_queue *tx_queue);
 126 void efx_farch_tx_fini(struct efx_tx_queue *tx_queue);
 127 void efx_farch_tx_remove(struct efx_tx_queue *tx_queue);
 128 void efx_farch_tx_write(struct efx_tx_queue *tx_queue);
 129 unsigned int efx_farch_tx_limit_len(struct efx_tx_queue *tx_queue,
 130                                     dma_addr_t dma_addr, unsigned int len);
 131 int efx_farch_rx_probe(struct efx_rx_queue *rx_queue);
 132 void efx_farch_rx_init(struct efx_rx_queue *rx_queue);
 133 void efx_farch_rx_fini(struct efx_rx_queue *rx_queue);
 134 void efx_farch_rx_remove(struct efx_rx_queue *rx_queue);
 135 void efx_farch_rx_write(struct efx_rx_queue *rx_queue);
 136 void efx_farch_rx_defer_refill(struct efx_rx_queue *rx_queue);
 137 int efx_farch_ev_probe(struct efx_channel *channel);
 138 int efx_farch_ev_init(struct efx_channel *channel);
 139 void efx_farch_ev_fini(struct efx_channel *channel);
 140 void efx_farch_ev_remove(struct efx_channel *channel);
 141 int efx_farch_ev_process(struct efx_channel *channel, int quota);
 142 void efx_farch_ev_read_ack(struct efx_channel *channel);
 143 void efx_farch_ev_test_generate(struct efx_channel *channel);
 144
 145 /* Falcon/Siena filter operations */
 146 int efx_farch_filter_table_probe(struct efx_nic *efx);
 147 void efx_farch_filter_table_restore(struct efx_nic *efx);
 148 void efx_farch_filter_table_remove(struct efx_nic *efx);
 149 void efx_farch_filter_update_rx_scatter(struct efx_nic *efx);
 150 s32 efx_farch_filter_insert(struct efx_nic *efx, struct efx_filter_spec *spec,
 151                             bool replace);
 152 int efx_farch_filter_remove_safe(struct efx_nic *efx,
 153                                  enum efx_filter_priority priority,
 154                                  u32 filter_id);
 155 int efx_farch_filter_get_safe(struct efx_nic *efx,
 156                               enum efx_filter_priority priority, u32 filter_id,
 157                               struct efx_filter_spec *);
 158 int efx_farch_filter_clear_rx(struct efx_nic *efx,
 159                               enum efx_filter_priority priority);
 160 u32 efx_farch_filter_count_rx_used(struct efx_nic *efx,
 161                                    enum efx_filter_priority priority);
 162 u32 efx_farch_filter_get_rx_id_limit(struct efx_nic *efx);
 163 s32 efx_farch_filter_get_rx_ids(struct efx_nic *efx,
 164                                 enum efx_filter_priority priority, u32 *buf,
 165                                 u32 size);
 166 #ifdef CONFIG_RFS_ACCEL
 167 bool efx_farch_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id,
 168                                      unsigned int index);
 169 #endif
 170 void efx_farch_filter_sync_rx_mode(struct efx_nic *efx);
 171
 172 /* Falcon/Siena interrupts */
 173 void efx_farch_irq_enable_master(struct efx_nic *efx);
 174 int efx_farch_irq_test_generate(struct efx_nic *efx);
 175 void efx_farch_irq_disable_master(struct efx_nic *efx);
 176 irqreturn_t efx_farch_msi_interrupt(int irq, void *dev_id);
 177 irqreturn_t efx_farch_legacy_interrupt(int irq, void *dev_id);
 178 irqreturn_t efx_farch_fatal_interrupt(struct efx_nic *efx);
 179
 180 /* Global Resources */
 181 void efx_siena_prepare_flush(struct efx_nic *efx);
 182 int efx_farch_fini_dmaq(struct efx_nic *efx);
 183 void efx_farch_finish_flr(struct efx_nic *efx);
 184 void siena_finish_flush(struct efx_nic *efx);
 185 void falcon_start_nic_stats(struct efx_nic *efx);
 186 void falcon_stop_nic_stats(struct efx_nic *efx);
 187 int falcon_reset_xaui(struct efx_nic *efx);
 188 void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw);
 189 void efx_farch_init_common(struct efx_nic *efx);
 190 void efx_farch_rx_push_indir_table(struct efx_nic *efx);
 191 void efx_farch_rx_pull_indir_table(struct efx_nic *efx);
 192
 193 /* Tests */
 194 struct efx_farch_register_test {
 195         unsigned address;
 196         efx_oword_t mask;
 197 };
 198
 199 int efx_farch_test_registers(struct efx_nic *efx,
 200                              const struct efx_farch_register_test *regs,
 201                              size_t n_regs);
 202
 203 void efx_farch_generate_event(struct efx_nic *efx, unsigned int evq,
 204                               efx_qword_t *event);
 205
 206 #endif /* EFX_NIC_H */