From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ... --- drivers/net/ethernet/mellanox/mlxsw/core.h | 669 +++++++++++++++++++++++++++++ 1 file changed, 669 insertions(+) create mode 100644 drivers/net/ethernet/mellanox/mlxsw/core.h (limited to 'drivers/net/ethernet/mellanox/mlxsw/core.h') diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h new file mode 100644 index 000000000..e5474d3e3 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlxsw/core.h @@ -0,0 +1,669 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ +/* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */ + +#ifndef _MLXSW_CORE_H +#define _MLXSW_CORE_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "trap.h" +#include "reg.h" +#include "cmd.h" +#include "resources.h" +#include "../mlxfw/mlxfw.h" + +enum mlxsw_core_resource_id { + MLXSW_CORE_RESOURCE_PORTS = 1, + MLXSW_CORE_RESOURCE_MAX, +}; + +struct mlxsw_core; +struct mlxsw_core_port; +struct mlxsw_driver; +struct mlxsw_bus; +struct mlxsw_bus_info; +struct mlxsw_fw_rev; + +unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core); + +int mlxsw_core_max_lag(struct mlxsw_core *mlxsw_core, u16 *p_max_lag); + +void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core); + +struct mlxsw_linecards *mlxsw_core_linecards(struct mlxsw_core *mlxsw_core); + +void mlxsw_core_linecards_set(struct mlxsw_core *mlxsw_core, + struct mlxsw_linecards *linecard); + +bool +mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev, + const struct mlxsw_fw_rev *req_rev); + +int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver); +void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver); + +int mlxsw_core_fw_flash(struct mlxsw_core *mlxsw_core, + struct mlxfw_dev *mlxfw_dev, + const struct firmware *firmware, + struct netlink_ext_ack *extack); + +int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, + const struct mlxsw_bus *mlxsw_bus, + void *bus_priv, bool reload, + struct devlink *devlink, + struct netlink_ext_ack *extack); +void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload); + +struct mlxsw_tx_info { + u16 local_port; + bool is_emad; +}; + +struct mlxsw_rx_md_info { + u32 cookie_index; + u32 latency; + u32 tx_congestion; + union { + /* Valid when 'tx_port_valid' is set. */ + u16 tx_sys_port; + u16 tx_lag_id; + }; + u16 tx_lag_port_index; /* Valid when 'tx_port_is_lag' is set. */ + u8 tx_tc; + u8 latency_valid:1, + tx_congestion_valid:1, + tx_tc_valid:1, + tx_port_valid:1, + tx_port_is_lag:1, + unused:3; +}; + +bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core, + const struct mlxsw_tx_info *tx_info); +int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, + const struct mlxsw_tx_info *tx_info); +void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core, + struct sk_buff *skb, u16 local_port); + +struct mlxsw_rx_listener { + void (*func)(struct sk_buff *skb, u16 local_port, void *priv); + u16 local_port; + u8 mirror_reason; + u16 trap_id; +}; + +struct mlxsw_event_listener { + void (*func)(const struct mlxsw_reg_info *reg, + char *payload, void *priv); + enum mlxsw_event_trap_id trap_id; +}; + +struct mlxsw_listener { + u16 trap_id; + union { + struct mlxsw_rx_listener rx_listener; + struct mlxsw_event_listener event_listener; + }; + enum mlxsw_reg_hpkt_action en_action; /* Action when enabled */ + enum mlxsw_reg_hpkt_action dis_action; /* Action when disabled */ + u8 en_trap_group; /* Trap group when enabled */ + u8 dis_trap_group; /* Trap group when disabled */ + u8 is_ctrl:1, /* should go via control buffer or not */ + is_event:1, + enabled_on_register:1; /* Trap should be enabled when listener + * is registered. + */ +}; + +#define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ + _dis_action, _enabled_on_register, _dis_trap_group, \ + _mirror_reason) \ + { \ + .trap_id = MLXSW_TRAP_ID_##_trap_id, \ + .rx_listener = \ + { \ + .func = _func, \ + .local_port = MLXSW_PORT_DONT_CARE, \ + .mirror_reason = _mirror_reason, \ + .trap_id = MLXSW_TRAP_ID_##_trap_id, \ + }, \ + .en_action = MLXSW_REG_HPKT_ACTION_##_en_action, \ + .dis_action = MLXSW_REG_HPKT_ACTION_##_dis_action, \ + .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_en_trap_group, \ + .dis_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_dis_trap_group, \ + .is_ctrl = _is_ctrl, \ + .enabled_on_register = _enabled_on_register, \ + } + +#define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ + _dis_action) \ + __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ + _dis_action, true, _trap_group, 0) + +#define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ + _dis_action, _dis_trap_group) \ + __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ + _dis_action, false, _dis_trap_group, 0) + +#define MLXSW_RXL_MIRROR(_func, _session_id, _trap_group, _mirror_reason) \ + __MLXSW_RXL(_func, MIRROR_SESSION##_session_id, TRAP_TO_CPU, false, \ + _trap_group, TRAP_TO_CPU, true, _trap_group, \ + _mirror_reason) + +#define MLXSW_EVENTL(_func, _trap_id, _trap_group) \ + { \ + .trap_id = MLXSW_TRAP_ID_##_trap_id, \ + .event_listener = \ + { \ + .func = _func, \ + .trap_id = MLXSW_TRAP_ID_##_trap_id, \ + }, \ + .en_action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \ + .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \ + .is_event = true, \ + .enabled_on_register = true, \ + } + +#define MLXSW_CORE_EVENTL(_func, _trap_id) \ + MLXSW_EVENTL(_func, _trap_id, CORE_EVENT) + +int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core, + const struct mlxsw_rx_listener *rxl, + void *priv, bool enabled); +void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core, + const struct mlxsw_rx_listener *rxl); + +int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core, + const struct mlxsw_event_listener *el, + void *priv); +void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core, + const struct mlxsw_event_listener *el); + +int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core, + const struct mlxsw_listener *listener, + void *priv); +void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core, + const struct mlxsw_listener *listener, + void *priv); +int mlxsw_core_traps_register(struct mlxsw_core *mlxsw_core, + const struct mlxsw_listener *listeners, + size_t listeners_count, void *priv); +void mlxsw_core_traps_unregister(struct mlxsw_core *mlxsw_core, + const struct mlxsw_listener *listeners, + size_t listeners_count, void *priv); +int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core, + const struct mlxsw_listener *listener, + bool enabled); + +typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload, + size_t payload_len, unsigned long cb_priv); + +int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core, + const struct mlxsw_reg_info *reg, char *payload, + struct list_head *bulk_list, + mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); +int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core, + const struct mlxsw_reg_info *reg, char *payload, + struct list_head *bulk_list, + mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); +int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list); + +typedef void mlxsw_irq_event_cb_t(struct mlxsw_core *mlxsw_core); + +int mlxsw_core_irq_event_handler_register(struct mlxsw_core *mlxsw_core, + mlxsw_irq_event_cb_t cb); +void mlxsw_core_irq_event_handler_unregister(struct mlxsw_core *mlxsw_core, + mlxsw_irq_event_cb_t cb); +void mlxsw_core_irq_event_handlers_call(struct mlxsw_core *mlxsw_core); + +int mlxsw_reg_query(struct mlxsw_core *mlxsw_core, + const struct mlxsw_reg_info *reg, char *payload); +int mlxsw_reg_write(struct mlxsw_core *mlxsw_core, + const struct mlxsw_reg_info *reg, char *payload); + +struct mlxsw_rx_info { + bool is_lag; + union { + u16 sys_port; + u16 lag_id; + } u; + u16 lag_port_index; + u8 mirror_reason; + int trap_id; +}; + +void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, + struct mlxsw_rx_info *rx_info); + +void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core, + u16 lag_id, u8 port_index, u16 local_port); +u16 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core, + u16 lag_id, u8 port_index); +void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core, + u16 lag_id, u16 local_port); + +void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port); +int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u16 local_port, + u8 slot_index, u32 port_number, bool split, + u32 split_port_subnumber, + bool splittable, u32 lanes, + const unsigned char *switch_id, + unsigned char switch_id_len); +void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u16 local_port); +int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core, + void *port_driver_priv, + const unsigned char *switch_id, + unsigned char switch_id_len); +void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core); +void mlxsw_core_port_netdev_link(struct mlxsw_core *mlxsw_core, u16 local_port, + void *port_driver_priv, + struct net_device *dev); +struct devlink_port * +mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core, + u16 local_port); +struct mlxsw_linecard * +mlxsw_core_port_linecard_get(struct mlxsw_core *mlxsw_core, + u16 local_port); +void mlxsw_core_ports_remove_selected(struct mlxsw_core *mlxsw_core, + bool (*selector)(void *priv, + u16 local_port), + void *priv); +struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core); + +int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay); +bool mlxsw_core_schedule_work(struct work_struct *work); +void mlxsw_core_flush_owq(void); +int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox, + struct mlxsw_res *res); + +#define MLXSW_CONFIG_PROFILE_SWID_COUNT 8 + +struct mlxsw_swid_config { + u8 used_type:1, + used_properties:1; + u8 type; + u8 properties; +}; + +struct mlxsw_config_profile { + u16 used_max_vepa_channels:1, + used_max_lag:1, + used_max_mid:1, + used_max_pgt:1, + used_max_system_port:1, + used_max_vlan_groups:1, + used_max_regions:1, + used_flood_tables:1, + used_flood_mode:1, + used_max_ib_mc:1, + used_max_pkey:1, + used_ar_sec:1, + used_adaptive_routing_group_cap:1, + used_ubridge:1, + used_kvd_sizes:1, + used_cqe_time_stamp_type:1; + u8 max_vepa_channels; + u16 max_lag; + u16 max_mid; + u16 max_pgt; + u16 max_system_port; + u16 max_vlan_groups; + u16 max_regions; + u8 max_flood_tables; + u8 max_vid_flood_tables; + u8 flood_mode; + u8 max_fid_offset_flood_tables; + u16 fid_offset_flood_table_size; + u8 max_fid_flood_tables; + u16 fid_flood_table_size; + u16 max_ib_mc; + u16 max_pkey; + u8 ar_sec; + u16 adaptive_routing_group_cap; + u8 arn; + u8 ubridge; + u32 kvd_linear_size; + u8 kvd_hash_single_parts; + u8 kvd_hash_double_parts; + u8 cqe_time_stamp_type; + struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT]; +}; + +struct mlxsw_driver { + struct list_head list; + const char *kind; + size_t priv_size; + const struct mlxsw_fw_rev *fw_req_rev; + const char *fw_filename; + int (*init)(struct mlxsw_core *mlxsw_core, + const struct mlxsw_bus_info *mlxsw_bus_info, + struct netlink_ext_ack *extack); + void (*fini)(struct mlxsw_core *mlxsw_core); + int (*port_split)(struct mlxsw_core *mlxsw_core, u16 local_port, + unsigned int count, struct netlink_ext_ack *extack); + int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u16 local_port, + struct netlink_ext_ack *extack); + void (*ports_remove_selected)(struct mlxsw_core *mlxsw_core, + bool (*selector)(void *priv, + u16 local_port), + void *priv); + int (*sb_pool_get)(struct mlxsw_core *mlxsw_core, + unsigned int sb_index, u16 pool_index, + struct devlink_sb_pool_info *pool_info); + int (*sb_pool_set)(struct mlxsw_core *mlxsw_core, + unsigned int sb_index, u16 pool_index, u32 size, + enum devlink_sb_threshold_type threshold_type, + struct netlink_ext_ack *extack); + int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, + unsigned int sb_index, u16 pool_index, + u32 *p_threshold); + int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port, + unsigned int sb_index, u16 pool_index, + u32 threshold, struct netlink_ext_ack *extack); + int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port, + unsigned int sb_index, u16 tc_index, + enum devlink_sb_pool_type pool_type, + u16 *p_pool_index, u32 *p_threshold); + int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port, + unsigned int sb_index, u16 tc_index, + enum devlink_sb_pool_type pool_type, + u16 pool_index, u32 threshold, + struct netlink_ext_ack *extack); + int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core, + unsigned int sb_index); + int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core, + unsigned int sb_index); + int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, + unsigned int sb_index, u16 pool_index, + u32 *p_cur, u32 *p_max); + int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port, + unsigned int sb_index, u16 tc_index, + enum devlink_sb_pool_type pool_type, + u32 *p_cur, u32 *p_max); + int (*trap_init)(struct mlxsw_core *mlxsw_core, + const struct devlink_trap *trap, void *trap_ctx); + void (*trap_fini)(struct mlxsw_core *mlxsw_core, + const struct devlink_trap *trap, void *trap_ctx); + int (*trap_action_set)(struct mlxsw_core *mlxsw_core, + const struct devlink_trap *trap, + enum devlink_trap_action action, + struct netlink_ext_ack *extack); + int (*trap_group_init)(struct mlxsw_core *mlxsw_core, + const struct devlink_trap_group *group); + int (*trap_group_set)(struct mlxsw_core *mlxsw_core, + const struct devlink_trap_group *group, + const struct devlink_trap_policer *policer, + struct netlink_ext_ack *extack); + int (*trap_policer_init)(struct mlxsw_core *mlxsw_core, + const struct devlink_trap_policer *policer); + void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core, + const struct devlink_trap_policer *policer); + int (*trap_policer_set)(struct mlxsw_core *mlxsw_core, + const struct devlink_trap_policer *policer, + u64 rate, u64 burst, + struct netlink_ext_ack *extack); + int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core, + const struct devlink_trap_policer *policer, + u64 *p_drops); + void (*txhdr_construct)(struct sk_buff *skb, + const struct mlxsw_tx_info *tx_info); + int (*resources_register)(struct mlxsw_core *mlxsw_core); + int (*kvd_sizes_get)(struct mlxsw_core *mlxsw_core, + const struct mlxsw_config_profile *profile, + u64 *p_single_size, u64 *p_double_size, + u64 *p_linear_size); + + /* Notify a driver that a timestamped packet was transmitted. Driver + * is responsible for freeing the passed-in SKB. + */ + void (*ptp_transmitted)(struct mlxsw_core *mlxsw_core, + struct sk_buff *skb, u16 local_port); + + u8 txhdr_len; + const struct mlxsw_config_profile *profile; + bool sdq_supports_cqe_v2; +}; + +int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core, + const struct mlxsw_config_profile *profile, + u64 *p_single_size, u64 *p_double_size, + u64 *p_linear_size); + +u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core); +u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core); + +u32 mlxsw_core_read_utc_sec(struct mlxsw_core *mlxsw_core); +u32 mlxsw_core_read_utc_nsec(struct mlxsw_core *mlxsw_core); + +bool mlxsw_core_sdq_supports_cqe_v2(struct mlxsw_core *mlxsw_core); + +bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core, + enum mlxsw_res_id res_id); + +#define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) \ + mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##short_res_id) + +u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core, + enum mlxsw_res_id res_id); + +#define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) \ + mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id) + +static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core) +{ + return devlink_net(priv_to_devlink(mlxsw_core)); +} + +#define MLXSW_BUS_F_TXRX BIT(0) +#define MLXSW_BUS_F_RESET BIT(1) + +struct mlxsw_bus { + const char *kind; + int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core, + const struct mlxsw_config_profile *profile, + struct mlxsw_res *res); + void (*fini)(void *bus_priv); + bool (*skb_transmit_busy)(void *bus_priv, + const struct mlxsw_tx_info *tx_info); + int (*skb_transmit)(void *bus_priv, struct sk_buff *skb, + const struct mlxsw_tx_info *tx_info); + int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod, + u32 in_mod, bool out_mbox_direct, + char *in_mbox, size_t in_mbox_size, + char *out_mbox, size_t out_mbox_size, + u8 *p_status); + u32 (*read_frc_h)(void *bus_priv); + u32 (*read_frc_l)(void *bus_priv); + u32 (*read_utc_sec)(void *bus_priv); + u32 (*read_utc_nsec)(void *bus_priv); + u8 features; +}; + +struct mlxsw_fw_rev { + u16 major; + u16 minor; + u16 subminor; + u16 can_reset_minor; +}; + +struct mlxsw_bus_info { + const char *device_kind; + const char *device_name; + struct device *dev; + struct mlxsw_fw_rev fw_rev; + u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; + u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; + u8 low_frequency:1, + read_clock_capable:1; +}; + +struct mlxsw_hwmon; + +#ifdef CONFIG_MLXSW_CORE_HWMON + +int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, + const struct mlxsw_bus_info *mlxsw_bus_info, + struct mlxsw_hwmon **p_hwmon); +void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon); + +#else + +static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, + const struct mlxsw_bus_info *mlxsw_bus_info, + struct mlxsw_hwmon **p_hwmon) +{ + return 0; +} + +static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon) +{ +} + +#endif + +struct mlxsw_thermal; + +#ifdef CONFIG_MLXSW_CORE_THERMAL + +int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, + const struct mlxsw_bus_info *mlxsw_bus_info, + struct mlxsw_thermal **p_thermal); +void mlxsw_thermal_fini(struct mlxsw_thermal *thermal); + +#else + +static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, + const struct mlxsw_bus_info *mlxsw_bus_info, + struct mlxsw_thermal **p_thermal) +{ + return 0; +} + +static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal) +{ +} + +#endif + +enum mlxsw_devlink_param_id { + MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, + MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL, +}; + +struct mlxsw_cqe_ts { + u8 sec; + u32 nsec; +}; + +struct mlxsw_skb_cb { + union { + struct mlxsw_tx_info tx_info; + struct mlxsw_rx_md_info rx_md_info; + }; + struct mlxsw_cqe_ts cqe_ts; +}; + +static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb) +{ + BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb)); + return (struct mlxsw_skb_cb *) skb->cb; +} + +struct mlxsw_linecards; + +enum mlxsw_linecard_status_event_type { + MLXSW_LINECARD_STATUS_EVENT_TYPE_PROVISION, + MLXSW_LINECARD_STATUS_EVENT_TYPE_UNPROVISION, +}; + +struct mlxsw_linecard_bdev; + +struct mlxsw_linecard_device_info { + u16 fw_major; + u16 fw_minor; + u16 fw_sub_minor; + char psid[MLXSW_REG_MGIR_FW_INFO_PSID_SIZE]; +}; + +struct mlxsw_linecard { + u8 slot_index; + struct mlxsw_linecards *linecards; + struct devlink_linecard *devlink_linecard; + struct mutex lock; /* Locks accesses to the linecard structure */ + char name[MLXSW_REG_MDDQ_SLOT_ASCII_NAME_LEN]; + char mbct_pl[MLXSW_REG_MBCT_LEN]; /* Too big for stack */ + enum mlxsw_linecard_status_event_type status_event_type_to; + struct delayed_work status_event_to_dw; + u8 provisioned:1, + ready:1, + active:1; + u16 hw_revision; + u16 ini_version; + struct mlxsw_linecard_bdev *bdev; + struct { + struct mlxsw_linecard_device_info info; + u8 index; + } device; +}; + +struct mlxsw_linecard_types_info; + +struct mlxsw_linecards { + struct mlxsw_core *mlxsw_core; + const struct mlxsw_bus_info *bus_info; + u8 count; + struct mlxsw_linecard_types_info *types_info; + struct list_head event_ops_list; + struct mutex event_ops_list_lock; /* Locks accesses to event ops list */ + struct mlxsw_linecard linecards[]; +}; + +static inline struct mlxsw_linecard * +mlxsw_linecard_get(struct mlxsw_linecards *linecards, u8 slot_index) +{ + return &linecards->linecards[slot_index - 1]; +} + +int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard, + struct devlink_info_req *req, + struct netlink_ext_ack *extack); +int mlxsw_linecard_flash_update(struct devlink *linecard_devlink, + struct mlxsw_linecard *linecard, + const struct firmware *firmware, + struct netlink_ext_ack *extack); + +int mlxsw_linecards_init(struct mlxsw_core *mlxsw_core, + const struct mlxsw_bus_info *bus_info); +void mlxsw_linecards_fini(struct mlxsw_core *mlxsw_core); + +typedef void mlxsw_linecards_event_op_t(struct mlxsw_core *mlxsw_core, + u8 slot_index, void *priv); + +struct mlxsw_linecards_event_ops { + mlxsw_linecards_event_op_t *got_active; + mlxsw_linecards_event_op_t *got_inactive; +}; + +int mlxsw_linecards_event_ops_register(struct mlxsw_core *mlxsw_core, + struct mlxsw_linecards_event_ops *ops, + void *priv); +void mlxsw_linecards_event_ops_unregister(struct mlxsw_core *mlxsw_core, + struct mlxsw_linecards_event_ops *ops, + void *priv); + +int mlxsw_linecard_bdev_add(struct mlxsw_linecard *linecard); +void mlxsw_linecard_bdev_del(struct mlxsw_linecard *linecard); + +int mlxsw_linecard_driver_register(void); +void mlxsw_linecard_driver_unregister(void); + +#endif -- cgit v1.2.3