drivers/net/ethernet/sfc/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_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 enum {
 120         EF10_STAT_port_tx_bytes = GENERIC_STAT_COUNT,
 121         EF10_STAT_port_tx_packets,
 122         EF10_STAT_port_tx_pause,
 123         EF10_STAT_port_tx_control,
 124         EF10_STAT_port_tx_unicast,
 125         EF10_STAT_port_tx_multicast,
 126         EF10_STAT_port_tx_broadcast,
 127         EF10_STAT_port_tx_lt64,
 128         EF10_STAT_port_tx_64,
 129         EF10_STAT_port_tx_65_to_127,
 130         EF10_STAT_port_tx_128_to_255,
 131         EF10_STAT_port_tx_256_to_511,
 132         EF10_STAT_port_tx_512_to_1023,
 133         EF10_STAT_port_tx_1024_to_15xx,
 134         EF10_STAT_port_tx_15xx_to_jumbo,
 135         EF10_STAT_port_rx_bytes,
 136         EF10_STAT_port_rx_bytes_minus_good_bytes,
 137         EF10_STAT_port_rx_good_bytes,
 138         EF10_STAT_port_rx_bad_bytes,
 139         EF10_STAT_port_rx_packets,
 140         EF10_STAT_port_rx_good,
 141         EF10_STAT_port_rx_bad,
 142         EF10_STAT_port_rx_pause,
 143         EF10_STAT_port_rx_control,
 144         EF10_STAT_port_rx_unicast,
 145         EF10_STAT_port_rx_multicast,
 146         EF10_STAT_port_rx_broadcast,
 147         EF10_STAT_port_rx_lt64,
 148         EF10_STAT_port_rx_64,
 149         EF10_STAT_port_rx_65_to_127,
 150         EF10_STAT_port_rx_128_to_255,
 151         EF10_STAT_port_rx_256_to_511,
 152         EF10_STAT_port_rx_512_to_1023,
 153         EF10_STAT_port_rx_1024_to_15xx,
 154         EF10_STAT_port_rx_15xx_to_jumbo,
 155         EF10_STAT_port_rx_gtjumbo,
 156         EF10_STAT_port_rx_bad_gtjumbo,
 157         EF10_STAT_port_rx_overflow,
 158         EF10_STAT_port_rx_align_error,
 159         EF10_STAT_port_rx_length_error,
 160         EF10_STAT_port_rx_nodesc_drops,
 161         EF10_STAT_port_rx_pm_trunc_bb_overflow,
 162         EF10_STAT_port_rx_pm_discard_bb_overflow,
 163         EF10_STAT_port_rx_pm_trunc_vfifo_full,
 164         EF10_STAT_port_rx_pm_discard_vfifo_full,
 165         EF10_STAT_port_rx_pm_trunc_qbb,
 166         EF10_STAT_port_rx_pm_discard_qbb,
 167         EF10_STAT_port_rx_pm_discard_mapping,
 168         EF10_STAT_port_rx_dp_q_disabled_packets,
 169         EF10_STAT_port_rx_dp_di_dropped_packets,
 170         EF10_STAT_port_rx_dp_streaming_packets,
 171         EF10_STAT_port_rx_dp_hlb_fetch,
 172         EF10_STAT_port_rx_dp_hlb_wait,
 173         EF10_STAT_rx_unicast,
 174         EF10_STAT_rx_unicast_bytes,
 175         EF10_STAT_rx_multicast,
 176         EF10_STAT_rx_multicast_bytes,
 177         EF10_STAT_rx_broadcast,
 178         EF10_STAT_rx_broadcast_bytes,
 179         EF10_STAT_rx_bad,
 180         EF10_STAT_rx_bad_bytes,
 181         EF10_STAT_rx_overflow,
 182         EF10_STAT_tx_unicast,
 183         EF10_STAT_tx_unicast_bytes,
 184         EF10_STAT_tx_multicast,
 185         EF10_STAT_tx_multicast_bytes,
 186         EF10_STAT_tx_broadcast,
 187         EF10_STAT_tx_broadcast_bytes,
 188         EF10_STAT_tx_bad,
 189         EF10_STAT_tx_bad_bytes,
 190         EF10_STAT_tx_overflow,
 191         EF10_STAT_V1_COUNT,
 192         EF10_STAT_fec_uncorrected_errors = EF10_STAT_V1_COUNT,
 193         EF10_STAT_fec_corrected_errors,
 194         EF10_STAT_fec_corrected_symbols_lane0,
 195         EF10_STAT_fec_corrected_symbols_lane1,
 196         EF10_STAT_fec_corrected_symbols_lane2,
 197         EF10_STAT_fec_corrected_symbols_lane3,
 198         EF10_STAT_ctpio_vi_busy_fallback,
 199         EF10_STAT_ctpio_long_write_success,
 200         EF10_STAT_ctpio_missing_dbell_fail,
 201         EF10_STAT_ctpio_overflow_fail,
 202         EF10_STAT_ctpio_underflow_fail,
 203         EF10_STAT_ctpio_timeout_fail,
 204         EF10_STAT_ctpio_noncontig_wr_fail,
 205         EF10_STAT_ctpio_frm_clobber_fail,
 206         EF10_STAT_ctpio_invalid_wr_fail,
 207         EF10_STAT_ctpio_vi_clobber_fallback,
 208         EF10_STAT_ctpio_unqualified_fallback,
 209         EF10_STAT_ctpio_runt_fallback,
 210         EF10_STAT_ctpio_success,
 211         EF10_STAT_ctpio_fallback,
 212         EF10_STAT_ctpio_poison,
 213         EF10_STAT_ctpio_erase,
 214         EF10_STAT_COUNT
 215 };
 216
 217 /* Maximum number of TX PIO buffers we may allocate to a function.
 218  * This matches the total number of buffers on each SFC9100-family
 219  * controller.
 220  */
 221 #define EF10_TX_PIOBUF_COUNT 16
 222
 223 /**
 224  * struct efx_ef10_nic_data - EF10 architecture NIC state
 225  * @mcdi_buf: DMA buffer for MCDI
 226  * @warm_boot_count: Last seen MC warm boot count
 227  * @vi_base: Absolute index of first VI in this function
 228  * @n_allocated_vis: Number of VIs allocated to this function
 229  * @n_piobufs: Number of PIO buffers allocated to this function
 230  * @wc_membase: Base address of write-combining mapping of the memory BAR
 231  * @pio_write_base: Base address for writing PIO buffers
 232  * @pio_write_vi_base: Relative VI number for @pio_write_base
 233  * @piobuf_handle: Handle of each PIO buffer allocated
 234  * @piobuf_size: size of a single PIO buffer
 235  * @must_restore_piobufs: Flag: PIO buffers have yet to be restored after MC
 236  *      reboot
 237  * @mc_stats: Scratch buffer for converting statistics to the kernel's format
 238  * @stats: Hardware statistics
 239  * @workaround_35388: Flag: firmware supports workaround for bug 35388
 240  * @workaround_26807: Flag: firmware supports workaround for bug 26807
 241  * @workaround_61265: Flag: firmware supports workaround for bug 61265
 242  * @must_check_datapath_caps: Flag: @datapath_caps needs to be revalidated
 243  *      after MC reboot
 244  * @datapath_caps: Capabilities of datapath firmware (FLAGS1 field of
 245  *      %MC_CMD_GET_CAPABILITIES response)
 246  * @datapath_caps2: Further Capabilities of datapath firmware (FLAGS2 field of
 247  * %MC_CMD_GET_CAPABILITIES response)
 248  * @rx_dpcpu_fw_id: Firmware ID of the RxDPCPU
 249  * @tx_dpcpu_fw_id: Firmware ID of the TxDPCPU
 250  * @must_probe_vswitching: Flag: vswitching has yet to be setup after MC reboot
 251  * @pf_index: The number for this PF, or the parent PF if this is a VF
 252 #ifdef CONFIG_SFC_SRIOV
 253  * @vf: Pointer to VF data structure
 254 #endif
 255  * @vport_mac: The MAC address on the vport, only for PFs; VFs will be zero
 256  * @vlan_list: List of VLANs added over the interface. Serialised by vlan_lock.
 257  * @vlan_lock: Lock to serialize access to vlan_list.
 258  * @udp_tunnels: UDP tunnel port numbers and types.
 259  * @udp_tunnels_dirty: flag indicating a reboot occurred while pushing
 260  *      @udp_tunnels to hardware and thus the push must be re-done.
 261  * @udp_tunnels_lock: Serialises writes to @udp_tunnels and @udp_tunnels_dirty.
 262  */
 263 struct efx_ef10_nic_data {
 264         struct efx_buffer mcdi_buf;
 265         u16 warm_boot_count;
 266         unsigned int vi_base;
 267         unsigned int n_allocated_vis;
 268         unsigned int n_piobufs;
 269         void __iomem *wc_membase, *pio_write_base;
 270         unsigned int pio_write_vi_base;
 271         unsigned int piobuf_handle[EF10_TX_PIOBUF_COUNT];
 272         u16 piobuf_size;
 273         bool must_restore_piobufs;
 274         __le64 *mc_stats;
 275         u64 stats[EF10_STAT_COUNT];
 276         bool workaround_35388;
 277         bool workaround_26807;
 278         bool workaround_61265;
 279         bool must_check_datapath_caps;
 280         u32 datapath_caps;
 281         u32 datapath_caps2;
 282         unsigned int rx_dpcpu_fw_id;
 283         unsigned int tx_dpcpu_fw_id;
 284         bool must_probe_vswitching;
 285         unsigned int pf_index;
 286         u8 port_id[ETH_ALEN];
 287 #ifdef CONFIG_SFC_SRIOV
 288         unsigned int vf_index;
 289         struct ef10_vf *vf;
 290 #endif
 291         u8 vport_mac[ETH_ALEN];
 292         struct list_head vlan_list;
 293         struct mutex vlan_lock;
 294         struct efx_udp_tunnel udp_tunnels[16];
 295         bool udp_tunnels_dirty;
 296         struct mutex udp_tunnels_lock;
 297         u64 licensed_features;
 298 };
 299
 300 /* TSOv2 */
 301 int efx_ef10_tx_tso_desc(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
 302                          bool *data_mapped);
 303
 304 int efx_init_sriov(void);
 305 void efx_fini_sriov(void);
 306
 307 extern const struct efx_nic_type siena_a0_nic_type;
 308 extern const struct efx_nic_type efx_hunt_a0_nic_type;
 309 extern const struct efx_nic_type efx_hunt_a0_vf_nic_type;
 310
 311 int falcon_probe_board(struct efx_nic *efx, u16 revision_info);
 312
 313 /* Falcon/Siena queue operations */
 314 int efx_farch_tx_probe(struct efx_tx_queue *tx_queue);
 315 void efx_farch_tx_init(struct efx_tx_queue *tx_queue);
 316 void efx_farch_tx_fini(struct efx_tx_queue *tx_queue);
 317 void efx_farch_tx_remove(struct efx_tx_queue *tx_queue);
 318 void efx_farch_tx_write(struct efx_tx_queue *tx_queue);
 319 unsigned int efx_farch_tx_limit_len(struct efx_tx_queue *tx_queue,
 320                                     dma_addr_t dma_addr, unsigned int len);
 321 int efx_farch_rx_probe(struct efx_rx_queue *rx_queue);
 322 void efx_farch_rx_init(struct efx_rx_queue *rx_queue);
 323 void efx_farch_rx_fini(struct efx_rx_queue *rx_queue);
 324 void efx_farch_rx_remove(struct efx_rx_queue *rx_queue);
 325 void efx_farch_rx_write(struct efx_rx_queue *rx_queue);
 326 void efx_farch_rx_defer_refill(struct efx_rx_queue *rx_queue);
 327 int efx_farch_ev_probe(struct efx_channel *channel);
 328 int efx_farch_ev_init(struct efx_channel *channel);
 329 void efx_farch_ev_fini(struct efx_channel *channel);
 330 void efx_farch_ev_remove(struct efx_channel *channel);
 331 int efx_farch_ev_process(struct efx_channel *channel, int quota);
 332 void efx_farch_ev_read_ack(struct efx_channel *channel);
 333 void efx_farch_ev_test_generate(struct efx_channel *channel);
 334
 335 /* Falcon/Siena filter operations */
 336 int efx_farch_filter_table_probe(struct efx_nic *efx);
 337 void efx_farch_filter_table_restore(struct efx_nic *efx);
 338 void efx_farch_filter_table_remove(struct efx_nic *efx);
 339 void efx_farch_filter_update_rx_scatter(struct efx_nic *efx);
 340 s32 efx_farch_filter_insert(struct efx_nic *efx, struct efx_filter_spec *spec,
 341                             bool replace);
 342 int efx_farch_filter_remove_safe(struct efx_nic *efx,
 343                                  enum efx_filter_priority priority,
 344                                  u32 filter_id);
 345 int efx_farch_filter_get_safe(struct efx_nic *efx,
 346                               enum efx_filter_priority priority, u32 filter_id,
 347                               struct efx_filter_spec *);
 348 int efx_farch_filter_clear_rx(struct efx_nic *efx,
 349                               enum efx_filter_priority priority);
 350 u32 efx_farch_filter_count_rx_used(struct efx_nic *efx,
 351                                    enum efx_filter_priority priority);
 352 u32 efx_farch_filter_get_rx_id_limit(struct efx_nic *efx);
 353 s32 efx_farch_filter_get_rx_ids(struct efx_nic *efx,
 354                                 enum efx_filter_priority priority, u32 *buf,
 355                                 u32 size);
 356 #ifdef CONFIG_RFS_ACCEL
 357 bool efx_farch_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id,
 358                                      unsigned int index);
 359 #endif
 360 void efx_farch_filter_sync_rx_mode(struct efx_nic *efx);
 361
 362 /* Falcon/Siena interrupts */
 363 void efx_farch_irq_enable_master(struct efx_nic *efx);
 364 int efx_farch_irq_test_generate(struct efx_nic *efx);
 365 void efx_farch_irq_disable_master(struct efx_nic *efx);
 366 irqreturn_t efx_farch_msi_interrupt(int irq, void *dev_id);
 367 irqreturn_t efx_farch_legacy_interrupt(int irq, void *dev_id);
 368 irqreturn_t efx_farch_fatal_interrupt(struct efx_nic *efx);
 369
 370 /* Global Resources */
 371 void siena_prepare_flush(struct efx_nic *efx);
 372 int efx_farch_fini_dmaq(struct efx_nic *efx);
 373 void efx_farch_finish_flr(struct efx_nic *efx);
 374 void siena_finish_flush(struct efx_nic *efx);
 375 void falcon_start_nic_stats(struct efx_nic *efx);
 376 void falcon_stop_nic_stats(struct efx_nic *efx);
 377 int falcon_reset_xaui(struct efx_nic *efx);
 378 void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw);
 379 void efx_farch_init_common(struct efx_nic *efx);
 380 void efx_farch_rx_push_indir_table(struct efx_nic *efx);
 381 void efx_farch_rx_pull_indir_table(struct efx_nic *efx);
 382
 383 /* Tests */
 384 struct efx_farch_register_test {
 385         unsigned address;
 386         efx_oword_t mask;
 387 };
 388
 389 int efx_farch_test_registers(struct efx_nic *efx,
 390                              const struct efx_farch_register_test *regs,
 391                              size_t n_regs);
 392
 393 void efx_farch_generate_event(struct efx_nic *efx, unsigned int evq,
 394                               efx_qword_t *event);
 395
 396 #endif /* EFX_NIC_H */