| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Ido Schimmel | 10763 | 44.09% | 111 | 42.05% |
| Jiri Pirko | 4415 | 18.09% | 47 | 17.80% |
| Yotam Gigi | 4108 | 16.83% | 13 | 4.92% |
| Arkadi Sharshevsky | 1666 | 6.82% | 17 | 6.44% |
| Nogah Frankel | 1529 | 6.26% | 20 | 7.58% |
| Shalom Toledo | 758 | 3.11% | 4 | 1.52% |
| Petr Machata | 646 | 2.65% | 22 | 8.33% |
| David Ahern | 257 | 1.05% | 4 | 1.52% |
| Yuval Mintz | 134 | 0.55% | 4 | 1.52% |
| Nir Dotan | 33 | 0.14% | 1 | 0.38% |
| Elad Raz | 25 | 0.10% | 5 | 1.89% |
| John Hurley | 19 | 0.08% | 2 | 0.76% |
| Tal Bar | 12 | 0.05% | 1 | 0.38% |
| Jarod Wilson | 12 | 0.05% | 1 | 0.38% |
| Or Gerlitz | 10 | 0.04% | 3 | 1.14% |
| Américo Wang | 8 | 0.03% | 3 | 1.14% |
| Wei Yongjun | 7 | 0.03% | 1 | 0.38% |
| Jakub Kiciński | 3 | 0.01% | 1 | 0.38% |
| David S. Miller | 2 | 0.01% | 1 | 0.38% |
| Shmulik Ladkani | 2 | 0.01% | 1 | 0.38% |
| Bhumika Goyal | 1 | 0.00% | 1 | 0.38% |
| Stephen Hemminger | 1 | 0.00% | 1 | 0.38% |
| Total | 24411 | 264 |
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/types.h> #include <linux/pci.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/slab.h> #include <linux/device.h> #include <linux/skbuff.h> #include <linux/if_vlan.h> #include <linux/if_bridge.h> #include <linux/workqueue.h> #include <linux/jiffies.h> #include <linux/bitops.h> #include <linux/list.h> #include <linux/notifier.h> #include <linux/dcbnl.h> #include <linux/inetdevice.h> #include <linux/netlink.h> #include <linux/random.h> #include <net/switchdev.h> #include <net/pkt_cls.h> #include <net/tc_act/tc_mirred.h> #include <net/netevent.h> #include <net/tc_act/tc_sample.h> #include <net/addrconf.h> #include "spectrum.h" #include "pci.h" #include "core.h" #include "reg.h" #include "port.h" #include "trap.h" #include "txheader.h" #include "spectrum_cnt.h" #include "spectrum_dpipe.h" #include "spectrum_acl_flex_actions.h" #include "spectrum_span.h" #include "../mlxfw/mlxfw.h" #define MLXSW_SP_FWREV_MINOR_TO_BRANCH(minor) ((minor) / 100) #define MLXSW_SP1_FWREV_MAJOR 13 #define MLXSW_SP1_FWREV_MINOR 1910 #define MLXSW_SP1_FWREV_SUBMINOR 622 #define MLXSW_SP1_FWREV_CAN_RESET_MINOR 1702 static const struct mlxsw_fw_rev mlxsw_sp1_fw_rev = { .major = MLXSW_SP1_FWREV_MAJOR, .minor = MLXSW_SP1_FWREV_MINOR, .subminor = MLXSW_SP1_FWREV_SUBMINOR, .can_reset_minor = MLXSW_SP1_FWREV_CAN_RESET_MINOR, }; #define MLXSW_SP1_FW_FILENAME \ "mellanox/mlxsw_spectrum-" __stringify(MLXSW_SP1_FWREV_MAJOR) \ "." __stringify(MLXSW_SP1_FWREV_MINOR) \ "." __stringify(MLXSW_SP1_FWREV_SUBMINOR) ".mfa2" static const char mlxsw_sp1_driver_name[] = "mlxsw_spectrum"; static const char mlxsw_sp2_driver_name[] = "mlxsw_spectrum2"; static const char mlxsw_sp_driver_version[] = "1.0"; static const unsigned char mlxsw_sp1_mac_mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00 }; static const unsigned char mlxsw_sp2_mac_mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00 }; /* tx_hdr_version * Tx header version. * Must be set to 1. */ MLXSW_ITEM32(tx, hdr, version, 0x00, 28, 4); /* tx_hdr_ctl * Packet control type. * 0 - Ethernet control (e.g. EMADs, LACP) * 1 - Ethernet data */ MLXSW_ITEM32(tx, hdr, ctl, 0x00, 26, 2); /* tx_hdr_proto * Packet protocol type. Must be set to 1 (Ethernet). */ MLXSW_ITEM32(tx, hdr, proto, 0x00, 21, 3); /* tx_hdr_rx_is_router * Packet is sent from the router. Valid for data packets only. */ MLXSW_ITEM32(tx, hdr, rx_is_router, 0x00, 19, 1); /* tx_hdr_fid_valid * Indicates if the 'fid' field is valid and should be used for * forwarding lookup. Valid for data packets only. */ MLXSW_ITEM32(tx, hdr, fid_valid, 0x00, 16, 1); /* tx_hdr_swid * Switch partition ID. Must be set to 0. */ MLXSW_ITEM32(tx, hdr, swid, 0x00, 12, 3); /* tx_hdr_control_tclass * Indicates if the packet should use the control TClass and not one * of the data TClasses. */ MLXSW_ITEM32(tx, hdr, control_tclass, 0x00, 6, 1); /* tx_hdr_etclass * Egress TClass to be used on the egress device on the egress port. */ MLXSW_ITEM32(tx, hdr, etclass, 0x00, 0, 4); /* tx_hdr_port_mid * Destination local port for unicast packets. * Destination multicast ID for multicast packets. * * Control packets are directed to a specific egress port, while data * packets are transmitted through the CPU port (0) into the switch partition, * where forwarding rules are applied. */ MLXSW_ITEM32(tx, hdr, port_mid, 0x04, 16, 16); /* tx_hdr_fid * Forwarding ID used for L2 forwarding lookup. Valid only if 'fid_valid' is * set, otherwise calculated based on the packet's VID using VID to FID mapping. * Valid for data packets only. */ MLXSW_ITEM32(tx, hdr, fid, 0x08, 0, 16); /* tx_hdr_type * 0 - Data packets * 6 - Control packets */ MLXSW_ITEM32(tx, hdr, type, 0x0C, 0, 4); struct mlxsw_sp_mlxfw_dev { struct mlxfw_dev mlxfw_dev; struct mlxsw_sp *mlxsw_sp; }; static int mlxsw_sp_component_query(struct mlxfw_dev *mlxfw_dev, u16 component_index, u32 *p_max_size, u8 *p_align_bits, u16 *p_max_write_size) { struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; char mcqi_pl[MLXSW_REG_MCQI_LEN]; int err; mlxsw_reg_mcqi_pack(mcqi_pl, component_index); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcqi), mcqi_pl); if (err) return err; mlxsw_reg_mcqi_unpack(mcqi_pl, p_max_size, p_align_bits, p_max_write_size); *p_align_bits = max_t(u8, *p_align_bits, 2); *p_max_write_size = min_t(u16, *p_max_write_size, MLXSW_REG_MCDA_MAX_DATA_LEN); return 0; } static int mlxsw_sp_fsm_lock(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle) { struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; char mcc_pl[MLXSW_REG_MCC_LEN]; u8 control_state; int err; mlxsw_reg_mcc_pack(mcc_pl, 0, 0, 0, 0); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); if (err) return err; mlxsw_reg_mcc_unpack(mcc_pl, fwhandle, NULL, &control_state); if (control_state != MLXFW_FSM_STATE_IDLE) return -EBUSY; mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE, 0, *fwhandle, 0); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); } static int mlxsw_sp_fsm_component_update(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, u16 component_index, u32 component_size) { struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; char mcc_pl[MLXSW_REG_MCC_LEN]; mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_UPDATE_COMPONENT, component_index, fwhandle, component_size); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); } static int mlxsw_sp_fsm_block_download(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, u8 *data, u16 size, u32 offset) { struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; char mcda_pl[MLXSW_REG_MCDA_LEN]; mlxsw_reg_mcda_pack(mcda_pl, fwhandle, offset, size, data); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcda), mcda_pl); } static int mlxsw_sp_fsm_component_verify(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, u16 component_index) { struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; char mcc_pl[MLXSW_REG_MCC_LEN]; mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_VERIFY_COMPONENT, component_index, fwhandle, 0); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); } static int mlxsw_sp_fsm_activate(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) { struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; char mcc_pl[MLXSW_REG_MCC_LEN]; mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_ACTIVATE, 0, fwhandle, 0); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); } static int mlxsw_sp_fsm_query_state(struct mlxfw_dev *mlxfw_dev, u32 fwhandle, enum mlxfw_fsm_state *fsm_state, enum mlxfw_fsm_state_err *fsm_state_err) { struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; char mcc_pl[MLXSW_REG_MCC_LEN]; u8 control_state; u8 error_code; int err; mlxsw_reg_mcc_pack(mcc_pl, 0, 0, fwhandle, 0); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); if (err) return err; mlxsw_reg_mcc_unpack(mcc_pl, NULL, &error_code, &control_state); *fsm_state = control_state; *fsm_state_err = min_t(enum mlxfw_fsm_state_err, error_code, MLXFW_FSM_STATE_ERR_MAX); return 0; } static void mlxsw_sp_fsm_cancel(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) { struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; char mcc_pl[MLXSW_REG_MCC_LEN]; mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_CANCEL, 0, fwhandle, 0); mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); } static void mlxsw_sp_fsm_release(struct mlxfw_dev *mlxfw_dev, u32 fwhandle) { struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev = container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp; char mcc_pl[MLXSW_REG_MCC_LEN]; mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE, 0, fwhandle, 0); mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl); } static const struct mlxfw_dev_ops mlxsw_sp_mlxfw_dev_ops = { .component_query = mlxsw_sp_component_query, .fsm_lock = mlxsw_sp_fsm_lock, .fsm_component_update = mlxsw_sp_fsm_component_update, .fsm_block_download = mlxsw_sp_fsm_block_download, .fsm_component_verify = mlxsw_sp_fsm_component_verify, .fsm_activate = mlxsw_sp_fsm_activate, .fsm_query_state = mlxsw_sp_fsm_query_state, .fsm_cancel = mlxsw_sp_fsm_cancel, .fsm_release = mlxsw_sp_fsm_release }; static int mlxsw_sp_firmware_flash(struct mlxsw_sp *mlxsw_sp, const struct firmware *firmware) { struct mlxsw_sp_mlxfw_dev mlxsw_sp_mlxfw_dev = { .mlxfw_dev = { .ops = &mlxsw_sp_mlxfw_dev_ops, .psid = mlxsw_sp->bus_info->psid, .psid_size = strlen(mlxsw_sp->bus_info->psid), }, .mlxsw_sp = mlxsw_sp }; int err; mlxsw_core_fw_flash_start(mlxsw_sp->core); err = mlxfw_firmware_flash(&mlxsw_sp_mlxfw_dev.mlxfw_dev, firmware); mlxsw_core_fw_flash_end(mlxsw_sp->core); return err; } static int mlxsw_sp_fw_rev_validate(struct mlxsw_sp *mlxsw_sp) { const struct mlxsw_fw_rev *rev = &mlxsw_sp->bus_info->fw_rev; const struct mlxsw_fw_rev *req_rev = mlxsw_sp->req_rev; const char *fw_filename = mlxsw_sp->fw_filename; union devlink_param_value value; const struct firmware *firmware; int err; /* Don't check if driver does not require it */ if (!req_rev || !fw_filename) return 0; /* Don't check if devlink 'fw_load_policy' param is 'flash' */ err = devlink_param_driverinit_value_get(priv_to_devlink(mlxsw_sp->core), DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, &value); if (err) return err; if (value.vu8 == DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH) return 0; /* Validate driver & FW are compatible */ if (rev->major != req_rev->major) { WARN(1, "Mismatch in major FW version [%d:%d] is never expected; Please contact support\n", rev->major, req_rev->major); return -EINVAL; } if (MLXSW_SP_FWREV_MINOR_TO_BRANCH(rev->minor) == MLXSW_SP_FWREV_MINOR_TO_BRANCH(req_rev->minor) && (rev->minor > req_rev->minor || (rev->minor == req_rev->minor && rev->subminor >= req_rev->subminor))) return 0; dev_info(mlxsw_sp->bus_info->dev, "The firmware version %d.%d.%d is incompatible with the driver\n", rev->major, rev->minor, rev->subminor); dev_info(mlxsw_sp->bus_info->dev, "Flashing firmware using file %s\n", fw_filename); err = request_firmware_direct(&firmware, fw_filename, mlxsw_sp->bus_info->dev); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Could not request firmware file %s\n", fw_filename); return err; } err = mlxsw_sp_firmware_flash(mlxsw_sp, firmware); release_firmware(firmware); if (err) dev_err(mlxsw_sp->bus_info->dev, "Could not upgrade firmware\n"); /* On FW flash success, tell the caller FW reset is needed * if current FW supports it. */ if (rev->minor >= req_rev->can_reset_minor) return err ? err : -EAGAIN; else return 0; } int mlxsw_sp_flow_counter_get(struct mlxsw_sp *mlxsw_sp, unsigned int counter_index, u64 *packets, u64 *bytes) { char mgpc_pl[MLXSW_REG_MGPC_LEN]; int err; mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_NOP, MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl); if (err) return err; if (packets) *packets = mlxsw_reg_mgpc_packet_counter_get(mgpc_pl); if (bytes) *bytes = mlxsw_reg_mgpc_byte_counter_get(mgpc_pl); return 0; } static int mlxsw_sp_flow_counter_clear(struct mlxsw_sp *mlxsw_sp, unsigned int counter_index) { char mgpc_pl[MLXSW_REG_MGPC_LEN]; mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_CLEAR, MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl); } int mlxsw_sp_flow_counter_alloc(struct mlxsw_sp *mlxsw_sp, unsigned int *p_counter_index) { int err; err = mlxsw_sp_counter_alloc(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW, p_counter_index); if (err) return err; err = mlxsw_sp_flow_counter_clear(mlxsw_sp, *p_counter_index); if (err) goto err_counter_clear; return 0; err_counter_clear: mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW, *p_counter_index); return err; } void mlxsw_sp_flow_counter_free(struct mlxsw_sp *mlxsw_sp, unsigned int counter_index) { mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW, counter_index); } static void mlxsw_sp_txhdr_construct(struct sk_buff *skb, const struct mlxsw_tx_info *tx_info) { char *txhdr = skb_push(skb, MLXSW_TXHDR_LEN); memset(txhdr, 0, MLXSW_TXHDR_LEN); mlxsw_tx_hdr_version_set(txhdr, MLXSW_TXHDR_VERSION_1); mlxsw_tx_hdr_ctl_set(txhdr, MLXSW_TXHDR_ETH_CTL); mlxsw_tx_hdr_proto_set(txhdr, MLXSW_TXHDR_PROTO_ETH); mlxsw_tx_hdr_swid_set(txhdr, 0); mlxsw_tx_hdr_control_tclass_set(txhdr, 1); mlxsw_tx_hdr_port_mid_set(txhdr, tx_info->local_port); mlxsw_tx_hdr_type_set(txhdr, MLXSW_TXHDR_TYPE_CONTROL); } enum mlxsw_reg_spms_state mlxsw_sp_stp_spms_state(u8 state) { switch (state) { case BR_STATE_FORWARDING: return MLXSW_REG_SPMS_STATE_FORWARDING; case BR_STATE_LEARNING: return MLXSW_REG_SPMS_STATE_LEARNING; case BR_STATE_LISTENING: /* fall-through */ case BR_STATE_DISABLED: /* fall-through */ case BR_STATE_BLOCKING: return MLXSW_REG_SPMS_STATE_DISCARDING; default: BUG(); } } int mlxsw_sp_port_vid_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, u8 state) { enum mlxsw_reg_spms_state spms_state = mlxsw_sp_stp_spms_state(state); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char *spms_pl; int err; spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); if (!spms_pl) return -ENOMEM; mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port); mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl); kfree(spms_pl); return err; } static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp) { char spad_pl[MLXSW_REG_SPAD_LEN] = {0}; int err; err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(spad), spad_pl); if (err) return err; mlxsw_reg_spad_base_mac_memcpy_from(spad_pl, mlxsw_sp->base_mac); return 0; } static int mlxsw_sp_port_sample_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable, u32 rate) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char mpsc_pl[MLXSW_REG_MPSC_LEN]; mlxsw_reg_mpsc_pack(mpsc_pl, mlxsw_sp_port->local_port, enable, rate); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpsc), mpsc_pl); } static int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port, bool is_up) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char paos_pl[MLXSW_REG_PAOS_LEN]; mlxsw_reg_paos_pack(paos_pl, mlxsw_sp_port->local_port, is_up ? MLXSW_PORT_ADMIN_STATUS_UP : MLXSW_PORT_ADMIN_STATUS_DOWN); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(paos), paos_pl); } static int mlxsw_sp_port_dev_addr_set(struct mlxsw_sp_port *mlxsw_sp_port, unsigned char *addr) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char ppad_pl[MLXSW_REG_PPAD_LEN]; mlxsw_reg_ppad_pack(ppad_pl, true, mlxsw_sp_port->local_port); mlxsw_reg_ppad_mac_memcpy_to(ppad_pl, addr); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppad), ppad_pl); } static int mlxsw_sp_port_dev_addr_init(struct mlxsw_sp_port *mlxsw_sp_port) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; unsigned char *addr = mlxsw_sp_port->dev->dev_addr; ether_addr_copy(addr, mlxsw_sp->base_mac); addr[ETH_ALEN - 1] += mlxsw_sp_port->local_port; return mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr); } static int mlxsw_sp_port_mtu_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char pmtu_pl[MLXSW_REG_PMTU_LEN]; int max_mtu; int err; mtu += MLXSW_TXHDR_LEN + ETH_HLEN; mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, 0); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); if (err) return err; max_mtu = mlxsw_reg_pmtu_max_mtu_get(pmtu_pl); if (mtu > max_mtu) return -EINVAL; mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, mtu); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl); } static int mlxsw_sp_port_swid_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 swid) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char pspa_pl[MLXSW_REG_PSPA_LEN]; mlxsw_reg_pspa_pack(pspa_pl, swid, mlxsw_sp_port->local_port); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pspa), pspa_pl); } int mlxsw_sp_port_vp_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char svpe_pl[MLXSW_REG_SVPE_LEN]; mlxsw_reg_svpe_pack(svpe_pl, mlxsw_sp_port->local_port, enable); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svpe), svpe_pl); } int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid, bool learn_enable) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char *spvmlr_pl; int err; spvmlr_pl = kmalloc(MLXSW_REG_SPVMLR_LEN, GFP_KERNEL); if (!spvmlr_pl) return -ENOMEM; mlxsw_reg_spvmlr_pack(spvmlr_pl, mlxsw_sp_port->local_port, vid, vid, learn_enable); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvmlr), spvmlr_pl); kfree(spvmlr_pl); return err; } static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char spvid_pl[MLXSW_REG_SPVID_LEN]; mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl); } static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port, bool allow) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char spaft_pl[MLXSW_REG_SPAFT_LEN]; mlxsw_reg_spaft_pack(spaft_pl, mlxsw_sp_port->local_port, allow); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl); } int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) { int err; if (!vid) { err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, false); if (err) return err; } else { err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid); if (err) return err; err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, true); if (err) goto err_port_allow_untagged_set; } mlxsw_sp_port->pvid = vid; return 0; err_port_allow_untagged_set: __mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid); return err; } static int mlxsw_sp_port_system_port_mapping_set(struct mlxsw_sp_port *mlxsw_sp_port) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char sspr_pl[MLXSW_REG_SSPR_LEN]; mlxsw_reg_sspr_pack(sspr_pl, mlxsw_sp_port->local_port); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sspr), sspr_pl); } static int mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, u8 local_port, u8 *p_module, u8 *p_width, u8 *p_lane) { char pmlp_pl[MLXSW_REG_PMLP_LEN]; int err; mlxsw_reg_pmlp_pack(pmlp_pl, local_port); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); if (err) return err; *p_module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0); *p_width = mlxsw_reg_pmlp_width_get(pmlp_pl); *p_lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0); return 0; } static int mlxsw_sp_port_module_map(struct mlxsw_sp_port *mlxsw_sp_port, u8 module, u8 width, u8 lane) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char pmlp_pl[MLXSW_REG_PMLP_LEN]; int i; mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port); mlxsw_reg_pmlp_width_set(pmlp_pl, width); for (i = 0; i < width; i++) { mlxsw_reg_pmlp_module_set(pmlp_pl, i, module); mlxsw_reg_pmlp_tx_lane_set(pmlp_pl, i, lane + i); /* Rx & Tx */ } return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); } static int mlxsw_sp_port_module_unmap(struct mlxsw_sp_port *mlxsw_sp_port) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char pmlp_pl[MLXSW_REG_PMLP_LEN]; mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port); mlxsw_reg_pmlp_width_set(pmlp_pl, 0); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl); } static int mlxsw_sp_port_open(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); int err; err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); if (err) return err; netif_start_queue(dev); return 0; } static int mlxsw_sp_port_stop(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); netif_stop_queue(dev); return mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); } static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb, struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_port_pcpu_stats *pcpu_stats; const struct mlxsw_tx_info tx_info = { .local_port = mlxsw_sp_port->local_port, .is_emad = false, }; u64 len; int err; if (mlxsw_core_skb_transmit_busy(mlxsw_sp->core, &tx_info)) return NETDEV_TX_BUSY; if (unlikely(skb_headroom(skb) < MLXSW_TXHDR_LEN)) { struct sk_buff *skb_orig = skb; skb = skb_realloc_headroom(skb, MLXSW_TXHDR_LEN); if (!skb) { this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); dev_kfree_skb_any(skb_orig); return NETDEV_TX_OK; } dev_consume_skb_any(skb_orig); } if (eth_skb_pad(skb)) { this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); return NETDEV_TX_OK; } mlxsw_sp_txhdr_construct(skb, &tx_info); /* TX header is consumed by HW on the way so we shouldn't count its * bytes as being sent. */ len = skb->len - MLXSW_TXHDR_LEN; /* Due to a race we might fail here because of a full queue. In that * unlikely case we simply drop the packet. */ err = mlxsw_core_skb_transmit(mlxsw_sp->core, skb, &tx_info); if (!err) { pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); u64_stats_update_begin(&pcpu_stats->syncp); pcpu_stats->tx_packets++; pcpu_stats->tx_bytes += len; u64_stats_update_end(&pcpu_stats->syncp); } else { this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped); dev_kfree_skb_any(skb); } return NETDEV_TX_OK; } static void mlxsw_sp_set_rx_mode(struct net_device *dev) { } static int mlxsw_sp_port_set_mac_address(struct net_device *dev, void *p) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct sockaddr *addr = p; int err; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; err = mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr->sa_data); if (err) return err; memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); return 0; } static u16 mlxsw_sp_pg_buf_threshold_get(const struct mlxsw_sp *mlxsw_sp, int mtu) { return 2 * mlxsw_sp_bytes_cells(mlxsw_sp, mtu); } #define MLXSW_SP_CELL_FACTOR 2 /* 2 * cell_size / (IPG + cell_size + 1) */ static u16 mlxsw_sp_pfc_delay_get(const struct mlxsw_sp *mlxsw_sp, int mtu, u16 delay) { delay = mlxsw_sp_bytes_cells(mlxsw_sp, DIV_ROUND_UP(delay, BITS_PER_BYTE)); return MLXSW_SP_CELL_FACTOR * delay + mlxsw_sp_bytes_cells(mlxsw_sp, mtu); } /* Maximum delay buffer needed in case of PAUSE frames, in bytes. * Assumes 100m cable and maximum MTU. */ #define MLXSW_SP_PAUSE_DELAY 58752 static u16 mlxsw_sp_pg_buf_delay_get(const struct mlxsw_sp *mlxsw_sp, int mtu, u16 delay, bool pfc, bool pause) { if (pfc) return mlxsw_sp_pfc_delay_get(mlxsw_sp, mtu, delay); else if (pause) return mlxsw_sp_bytes_cells(mlxsw_sp, MLXSW_SP_PAUSE_DELAY); else return 0; } static void mlxsw_sp_pg_buf_pack(char *pbmc_pl, int index, u16 size, u16 thres, bool lossy) { if (lossy) mlxsw_reg_pbmc_lossy_buffer_pack(pbmc_pl, index, size); else mlxsw_reg_pbmc_lossless_buffer_pack(pbmc_pl, index, size, thres); } int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu, u8 *prio_tc, bool pause_en, struct ieee_pfc *my_pfc) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; u8 pfc_en = !!my_pfc ? my_pfc->pfc_en : 0; u16 delay = !!my_pfc ? my_pfc->delay : 0; char pbmc_pl[MLXSW_REG_PBMC_LEN]; int i, j, err; mlxsw_reg_pbmc_pack(pbmc_pl, mlxsw_sp_port->local_port, 0, 0); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl); if (err) return err; for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { bool configure = false; bool pfc = false; u16 thres_cells; u16 delay_cells; bool lossy; for (j = 0; j < IEEE_8021QAZ_MAX_TCS; j++) { if (prio_tc[j] == i) { pfc = pfc_en & BIT(j); configure = true; break; } } if (!configure) continue; lossy = !(pfc || pause_en); thres_cells = mlxsw_sp_pg_buf_threshold_get(mlxsw_sp, mtu); delay_cells = mlxsw_sp_pg_buf_delay_get(mlxsw_sp, mtu, delay, pfc, pause_en); mlxsw_sp_pg_buf_pack(pbmc_pl, i, thres_cells + delay_cells, thres_cells, lossy); } return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl); } static int mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu, bool pause_en) { u8 def_prio_tc[IEEE_8021QAZ_MAX_TCS] = {0}; bool dcb_en = !!mlxsw_sp_port->dcb.ets; struct ieee_pfc *my_pfc; u8 *prio_tc; prio_tc = dcb_en ? mlxsw_sp_port->dcb.ets->prio_tc : def_prio_tc; my_pfc = dcb_en ? mlxsw_sp_port->dcb.pfc : NULL; return __mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, prio_tc, pause_en, my_pfc); } static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); bool pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port); int err; err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, pause_en); if (err) return err; err = mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, mtu); if (err) goto err_span_port_mtu_update; err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, mtu); if (err) goto err_port_mtu_set; dev->mtu = mtu; return 0; err_port_mtu_set: mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, dev->mtu); err_span_port_mtu_update: mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); return err; } static int mlxsw_sp_port_get_sw_stats64(const struct net_device *dev, struct rtnl_link_stats64 *stats) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp_port_pcpu_stats *p; u64 rx_packets, rx_bytes, tx_packets, tx_bytes; u32 tx_dropped = 0; unsigned int start; int i; for_each_possible_cpu(i) { p = per_cpu_ptr(mlxsw_sp_port->pcpu_stats, i); do { start = u64_stats_fetch_begin_irq(&p->syncp); rx_packets = p->rx_packets; rx_bytes = p->rx_bytes; tx_packets = p->tx_packets; tx_bytes = p->tx_bytes; } while (u64_stats_fetch_retry_irq(&p->syncp, start)); stats->rx_packets += rx_packets; stats->rx_bytes += rx_bytes; stats->tx_packets += tx_packets; stats->tx_bytes += tx_bytes; /* tx_dropped is u32, updated without syncp protection. */ tx_dropped += p->tx_dropped; } stats->tx_dropped = tx_dropped; return 0; } static bool mlxsw_sp_port_has_offload_stats(const struct net_device *dev, int attr_id) { switch (attr_id) { case IFLA_OFFLOAD_XSTATS_CPU_HIT: return true; } return false; } static int mlxsw_sp_port_get_offload_stats(int attr_id, const struct net_device *dev, void *sp) { switch (attr_id) { case IFLA_OFFLOAD_XSTATS_CPU_HIT: return mlxsw_sp_port_get_sw_stats64(dev, sp); } return -EINVAL; } static int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp, int prio, char *ppcnt_pl) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sp_port->local_port, grp, prio); return mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ppcnt), ppcnt_pl); } static int mlxsw_sp_port_get_hw_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) { char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; int err; err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, 0, ppcnt_pl); if (err) goto out; stats->tx_packets = mlxsw_reg_ppcnt_a_frames_transmitted_ok_get(ppcnt_pl); stats->rx_packets = mlxsw_reg_ppcnt_a_frames_received_ok_get(ppcnt_pl); stats->tx_bytes = mlxsw_reg_ppcnt_a_octets_transmitted_ok_get(ppcnt_pl); stats->rx_bytes = mlxsw_reg_ppcnt_a_octets_received_ok_get(ppcnt_pl); stats->multicast = mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get(ppcnt_pl); stats->rx_crc_errors = mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get(ppcnt_pl); stats->rx_frame_errors = mlxsw_reg_ppcnt_a_alignment_errors_get(ppcnt_pl); stats->rx_length_errors = ( mlxsw_reg_ppcnt_a_in_range_length_errors_get(ppcnt_pl) + mlxsw_reg_ppcnt_a_out_of_range_length_field_get(ppcnt_pl) + mlxsw_reg_ppcnt_a_frame_too_long_errors_get(ppcnt_pl)); stats->rx_errors = (stats->rx_crc_errors + stats->rx_frame_errors + stats->rx_length_errors); out: return err; } static void mlxsw_sp_port_get_hw_xstats(struct net_device *dev, struct mlxsw_sp_port_xstats *xstats) { char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; int err, i; err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_EXT_CNT, 0, ppcnt_pl); if (!err) xstats->ecn = mlxsw_reg_ppcnt_ecn_marked_get(ppcnt_pl); for (i = 0; i < TC_MAX_QUEUE; i++) { err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_TC_CONG_TC, i, ppcnt_pl); if (!err) xstats->wred_drop[i] = mlxsw_reg_ppcnt_wred_discard_get(ppcnt_pl); err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_TC_CNT, i, ppcnt_pl); if (err) continue; xstats->backlog[i] = mlxsw_reg_ppcnt_tc_transmit_queue_get(ppcnt_pl); xstats->tail_drop[i] = mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get(ppcnt_pl); } for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_PRIO_CNT, i, ppcnt_pl); if (err) continue; xstats->tx_packets[i] = mlxsw_reg_ppcnt_tx_frames_get(ppcnt_pl); xstats->tx_bytes[i] = mlxsw_reg_ppcnt_tx_octets_get(ppcnt_pl); } } static void update_stats_cache(struct work_struct *work) { struct mlxsw_sp_port *mlxsw_sp_port = container_of(work, struct mlxsw_sp_port, periodic_hw_stats.update_dw.work); if (!netif_carrier_ok(mlxsw_sp_port->dev)) goto out; mlxsw_sp_port_get_hw_stats(mlxsw_sp_port->dev, &mlxsw_sp_port->periodic_hw_stats.stats); mlxsw_sp_port_get_hw_xstats(mlxsw_sp_port->dev, &mlxsw_sp_port->periodic_hw_stats.xstats); out: mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, MLXSW_HW_STATS_UPDATE_TIME); } /* Return the stats from a cache that is updated periodically, * as this function might get called in an atomic context. */ static void mlxsw_sp_port_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); memcpy(stats, &mlxsw_sp_port->periodic_hw_stats.stats, sizeof(*stats)); } static int __mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin, u16 vid_end, bool is_member, bool untagged) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char *spvm_pl; int err; spvm_pl = kmalloc(MLXSW_REG_SPVM_LEN, GFP_KERNEL); if (!spvm_pl) return -ENOMEM; mlxsw_reg_spvm_pack(spvm_pl, mlxsw_sp_port->local_port, vid_begin, vid_end, is_member, untagged); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvm), spvm_pl); kfree(spvm_pl); return err; } int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin, u16 vid_end, bool is_member, bool untagged) { u16 vid, vid_e; int err; for (vid = vid_begin; vid <= vid_end; vid += MLXSW_REG_SPVM_REC_MAX_COUNT) { vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1), vid_end); err = __mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e, is_member, untagged); if (err) return err; } return 0; } static void mlxsw_sp_port_vlan_flush(struct mlxsw_sp_port *mlxsw_sp_port, bool flush_default) { struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, *tmp; list_for_each_entry_safe(mlxsw_sp_port_vlan, tmp, &mlxsw_sp_port->vlans_list, list) { if (!flush_default && mlxsw_sp_port_vlan->vid == MLXSW_SP_DEFAULT_VID) continue; mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); } } static void mlxsw_sp_port_vlan_cleanup(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) { if (mlxsw_sp_port_vlan->bridge_port) mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); else if (mlxsw_sp_port_vlan->fid) mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan); } struct mlxsw_sp_port_vlan * mlxsw_sp_port_vlan_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid) { struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; bool untagged = vid == MLXSW_SP_DEFAULT_VID; int err; mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); if (mlxsw_sp_port_vlan) return ERR_PTR(-EEXIST); err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true, untagged); if (err) return ERR_PTR(err); mlxsw_sp_port_vlan = kzalloc(sizeof(*mlxsw_sp_port_vlan), GFP_KERNEL); if (!mlxsw_sp_port_vlan) { err = -ENOMEM; goto err_port_vlan_alloc; } mlxsw_sp_port_vlan->mlxsw_sp_port = mlxsw_sp_port; mlxsw_sp_port_vlan->vid = vid; list_add(&mlxsw_sp_port_vlan->list, &mlxsw_sp_port->vlans_list); return mlxsw_sp_port_vlan; err_port_vlan_alloc: mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); return ERR_PTR(err); } void mlxsw_sp_port_vlan_destroy(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan) { struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port; u16 vid = mlxsw_sp_port_vlan->vid; mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port_vlan); list_del(&mlxsw_sp_port_vlan->list); kfree(mlxsw_sp_port_vlan); mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); } static int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto, u16 vid) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); /* VLAN 0 is added to HW filter when device goes up, but it is * reserved in our case, so simply return. */ if (!vid) return 0; return PTR_ERR_OR_ZERO(mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid)); } static int mlxsw_sp_port_kill_vid(struct net_device *dev, __be16 __always_unused proto, u16 vid) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; /* VLAN 0 is removed from HW filter when device goes down, but * it is reserved in our case, so simply return. */ if (!vid) return 0; mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); if (!mlxsw_sp_port_vlan) return 0; mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); return 0; } static int mlxsw_sp_port_get_phys_port_name(struct net_device *dev, char *name, size_t len) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); return mlxsw_core_port_get_phys_port_name(mlxsw_sp_port->mlxsw_sp->core, mlxsw_sp_port->local_port, name, len); } static struct mlxsw_sp_port_mall_tc_entry * mlxsw_sp_port_mall_tc_entry_find(struct mlxsw_sp_port *port, unsigned long cookie) { struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry; list_for_each_entry(mall_tc_entry, &port->mall_tc_list, list) if (mall_tc_entry->cookie == cookie) return mall_tc_entry; return NULL; } static int mlxsw_sp_port_add_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port, struct mlxsw_sp_port_mall_mirror_tc_entry *mirror, const struct tc_action *a, bool ingress) { enum mlxsw_sp_span_type span_type; struct net_device *to_dev; to_dev = tcf_mirred_dev(a); if (!to_dev) { netdev_err(mlxsw_sp_port->dev, "Could not find requested device\n"); return -EINVAL; } mirror->ingress = ingress; span_type = ingress ? MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS; return mlxsw_sp_span_mirror_add(mlxsw_sp_port, to_dev, span_type, true, &mirror->span_id); } static void mlxsw_sp_port_del_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port, struct mlxsw_sp_port_mall_mirror_tc_entry *mirror) { enum mlxsw_sp_span_type span_type; span_type = mirror->ingress ? MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS; mlxsw_sp_span_mirror_del(mlxsw_sp_port, mirror->span_id, span_type, true); } static int mlxsw_sp_port_add_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port, struct tc_cls_matchall_offload *cls, const struct tc_action *a, bool ingress) { int err; if (!mlxsw_sp_port->sample) return -EOPNOTSUPP; if (rtnl_dereference(mlxsw_sp_port->sample->psample_group)) { netdev_err(mlxsw_sp_port->dev, "sample already active\n"); return -EEXIST; } if (tcf_sample_rate(a) > MLXSW_REG_MPSC_RATE_MAX) { netdev_err(mlxsw_sp_port->dev, "sample rate not supported\n"); return -EOPNOTSUPP; } rcu_assign_pointer(mlxsw_sp_port->sample->psample_group, tcf_sample_psample_group(a)); mlxsw_sp_port->sample->truncate = tcf_sample_truncate(a); mlxsw_sp_port->sample->trunc_size = tcf_sample_trunc_size(a); mlxsw_sp_port->sample->rate = tcf_sample_rate(a); err = mlxsw_sp_port_sample_set(mlxsw_sp_port, true, tcf_sample_rate(a)); if (err) goto err_port_sample_set; return 0; err_port_sample_set: RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL); return err; } static void mlxsw_sp_port_del_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port) { if (!mlxsw_sp_port->sample) return; mlxsw_sp_port_sample_set(mlxsw_sp_port, false, 1); RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL); } static int mlxsw_sp_port_add_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port, struct tc_cls_matchall_offload *f, bool ingress) { struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry; __be16 protocol = f->common.protocol; const struct tc_action *a; int err; if (!tcf_exts_has_one_action(f->exts)) { netdev_err(mlxsw_sp_port->dev, "only singular actions are supported\n"); return -EOPNOTSUPP; } mall_tc_entry = kzalloc(sizeof(*mall_tc_entry), GFP_KERNEL); if (!mall_tc_entry) return -ENOMEM; mall_tc_entry->cookie = f->cookie; a = tcf_exts_first_action(f->exts); if (is_tcf_mirred_egress_mirror(a) && protocol == htons(ETH_P_ALL)) { struct mlxsw_sp_port_mall_mirror_tc_entry *mirror; mall_tc_entry->type = MLXSW_SP_PORT_MALL_MIRROR; mirror = &mall_tc_entry->mirror; err = mlxsw_sp_port_add_cls_matchall_mirror(mlxsw_sp_port, mirror, a, ingress); } else if (is_tcf_sample(a) && protocol == htons(ETH_P_ALL)) { mall_tc_entry->type = MLXSW_SP_PORT_MALL_SAMPLE; err = mlxsw_sp_port_add_cls_matchall_sample(mlxsw_sp_port, f, a, ingress); } else { err = -EOPNOTSUPP; } if (err) goto err_add_action; list_add_tail(&mall_tc_entry->list, &mlxsw_sp_port->mall_tc_list); return 0; err_add_action: kfree(mall_tc_entry); return err; } static void mlxsw_sp_port_del_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port, struct tc_cls_matchall_offload *f) { struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry; mall_tc_entry = mlxsw_sp_port_mall_tc_entry_find(mlxsw_sp_port, f->cookie); if (!mall_tc_entry) { netdev_dbg(mlxsw_sp_port->dev, "tc entry not found on port\n"); return; } list_del(&mall_tc_entry->list); switch (mall_tc_entry->type) { case MLXSW_SP_PORT_MALL_MIRROR: mlxsw_sp_port_del_cls_matchall_mirror(mlxsw_sp_port, &mall_tc_entry->mirror); break; case MLXSW_SP_PORT_MALL_SAMPLE: mlxsw_sp_port_del_cls_matchall_sample(mlxsw_sp_port); break; default: WARN_ON(1); } kfree(mall_tc_entry); } static int mlxsw_sp_setup_tc_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port, struct tc_cls_matchall_offload *f, bool ingress) { switch (f->command) { case TC_CLSMATCHALL_REPLACE: return mlxsw_sp_port_add_cls_matchall(mlxsw_sp_port, f, ingress); case TC_CLSMATCHALL_DESTROY: mlxsw_sp_port_del_cls_matchall(mlxsw_sp_port, f); return 0; default: return -EOPNOTSUPP; } } static int mlxsw_sp_setup_tc_cls_flower(struct mlxsw_sp_acl_block *acl_block, struct tc_cls_flower_offload *f) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_acl_block_mlxsw_sp(acl_block); switch (f->command) { case TC_CLSFLOWER_REPLACE: return mlxsw_sp_flower_replace(mlxsw_sp, acl_block, f); case TC_CLSFLOWER_DESTROY: mlxsw_sp_flower_destroy(mlxsw_sp, acl_block, f); return 0; case TC_CLSFLOWER_STATS: return mlxsw_sp_flower_stats(mlxsw_sp, acl_block, f); case TC_CLSFLOWER_TMPLT_CREATE: return mlxsw_sp_flower_tmplt_create(mlxsw_sp, acl_block, f); case TC_CLSFLOWER_TMPLT_DESTROY: mlxsw_sp_flower_tmplt_destroy(mlxsw_sp, acl_block, f); return 0; default: return -EOPNOTSUPP; } } static int mlxsw_sp_setup_tc_block_cb_matchall(enum tc_setup_type type, void *type_data, void *cb_priv, bool ingress) { struct mlxsw_sp_port *mlxsw_sp_port = cb_priv; switch (type) { case TC_SETUP_CLSMATCHALL: if (!tc_cls_can_offload_and_chain0(mlxsw_sp_port->dev, type_data)) return -EOPNOTSUPP; return mlxsw_sp_setup_tc_cls_matchall(mlxsw_sp_port, type_data, ingress); case TC_SETUP_CLSFLOWER: return 0; default: return -EOPNOTSUPP; } } static int mlxsw_sp_setup_tc_block_cb_matchall_ig(enum tc_setup_type type, void *type_data, void *cb_priv) { return mlxsw_sp_setup_tc_block_cb_matchall(type, type_data, cb_priv, true); } static int mlxsw_sp_setup_tc_block_cb_matchall_eg(enum tc_setup_type type, void *type_data, void *cb_priv) { return mlxsw_sp_setup_tc_block_cb_matchall(type, type_data, cb_priv, false); } static int mlxsw_sp_setup_tc_block_cb_flower(enum tc_setup_type type, void *type_data, void *cb_priv) { struct mlxsw_sp_acl_block *acl_block = cb_priv; switch (type) { case TC_SETUP_CLSMATCHALL: return 0; case TC_SETUP_CLSFLOWER: if (mlxsw_sp_acl_block_disabled(acl_block)) return -EOPNOTSUPP; return mlxsw_sp_setup_tc_cls_flower(acl_block, type_data); default: return -EOPNOTSUPP; } } static int mlxsw_sp_setup_tc_block_flower_bind(struct mlxsw_sp_port *mlxsw_sp_port, struct tcf_block *block, bool ingress, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_acl_block *acl_block; struct tcf_block_cb *block_cb; int err; block_cb = tcf_block_cb_lookup(block, mlxsw_sp_setup_tc_block_cb_flower, mlxsw_sp); if (!block_cb) { acl_block = mlxsw_sp_acl_block_create(mlxsw_sp, block->net); if (!acl_block) return -ENOMEM; block_cb = __tcf_block_cb_register(block, mlxsw_sp_setup_tc_block_cb_flower, mlxsw_sp, acl_block, extack); if (IS_ERR(block_cb)) { err = PTR_ERR(block_cb); goto err_cb_register; } } else { acl_block = tcf_block_cb_priv(block_cb); } tcf_block_cb_incref(block_cb); err = mlxsw_sp_acl_block_bind(mlxsw_sp, acl_block, mlxsw_sp_port, ingress); if (err) goto err_block_bind; if (ingress) mlxsw_sp_port->ing_acl_block = acl_block; else mlxsw_sp_port->eg_acl_block = acl_block; return 0; err_block_bind: if (!tcf_block_cb_decref(block_cb)) { __tcf_block_cb_unregister(block, block_cb); err_cb_register: mlxsw_sp_acl_block_destroy(acl_block); } return err; } static void mlxsw_sp_setup_tc_block_flower_unbind(struct mlxsw_sp_port *mlxsw_sp_port, struct tcf_block *block, bool ingress) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_acl_block *acl_block; struct tcf_block_cb *block_cb; int err; block_cb = tcf_block_cb_lookup(block, mlxsw_sp_setup_tc_block_cb_flower, mlxsw_sp); if (!block_cb) return; if (ingress) mlxsw_sp_port->ing_acl_block = NULL; else mlxsw_sp_port->eg_acl_block = NULL; acl_block = tcf_block_cb_priv(block_cb); err = mlxsw_sp_acl_block_unbind(mlxsw_sp, acl_block, mlxsw_sp_port, ingress); if (!err && !tcf_block_cb_decref(block_cb)) { __tcf_block_cb_unregister(block, block_cb); mlxsw_sp_acl_block_destroy(acl_block); } } static int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port, struct tc_block_offload *f) { tc_setup_cb_t *cb; bool ingress; int err; if (f->binder_type == TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS) { cb = mlxsw_sp_setup_tc_block_cb_matchall_ig; ingress = true; } else if (f->binder_type == TCF_BLOCK_BINDER_TYPE_CLSACT_EGRESS) { cb = mlxsw_sp_setup_tc_block_cb_matchall_eg; ingress = false; } else { return -EOPNOTSUPP; } switch (f->command) { case TC_BLOCK_BIND: err = tcf_block_cb_register(f->block, cb, mlxsw_sp_port, mlxsw_sp_port, f->extack); if (err) return err; err = mlxsw_sp_setup_tc_block_flower_bind(mlxsw_sp_port, f->block, ingress, f->extack); if (err) { tcf_block_cb_unregister(f->block, cb, mlxsw_sp_port); return err; } return 0; case TC_BLOCK_UNBIND: mlxsw_sp_setup_tc_block_flower_unbind(mlxsw_sp_port, f->block, ingress); tcf_block_cb_unregister(f->block, cb, mlxsw_sp_port); return 0; default: return -EOPNOTSUPP; } } static int mlxsw_sp_setup_tc(struct net_device *dev, enum tc_setup_type type, void *type_data) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); switch (type) { case TC_SETUP_BLOCK: return mlxsw_sp_setup_tc_block(mlxsw_sp_port, type_data); case TC_SETUP_QDISC_RED: return mlxsw_sp_setup_tc_red(mlxsw_sp_port, type_data); case TC_SETUP_QDISC_PRIO: return mlxsw_sp_setup_tc_prio(mlxsw_sp_port, type_data); default: return -EOPNOTSUPP; } } static int mlxsw_sp_feature_hw_tc(struct net_device *dev, bool enable) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); if (!enable) { if (mlxsw_sp_acl_block_rule_count(mlxsw_sp_port->ing_acl_block) || mlxsw_sp_acl_block_rule_count(mlxsw_sp_port->eg_acl_block) || !list_empty(&mlxsw_sp_port->mall_tc_list)) { netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n"); return -EINVAL; } mlxsw_sp_acl_block_disable_inc(mlxsw_sp_port->ing_acl_block); mlxsw_sp_acl_block_disable_inc(mlxsw_sp_port->eg_acl_block); } else { mlxsw_sp_acl_block_disable_dec(mlxsw_sp_port->ing_acl_block); mlxsw_sp_acl_block_disable_dec(mlxsw_sp_port->eg_acl_block); } return 0; } typedef int (*mlxsw_sp_feature_handler)(struct net_device *dev, bool enable); static int mlxsw_sp_handle_feature(struct net_device *dev, netdev_features_t wanted_features, netdev_features_t feature, mlxsw_sp_feature_handler feature_handler) { netdev_features_t changes = wanted_features ^ dev->features; bool enable = !!(wanted_features & feature); int err; if (!(changes & feature)) return 0; err = feature_handler(dev, enable); if (err) { netdev_err(dev, "%s feature %pNF failed, err %d\n", enable ? "Enable" : "Disable", &feature, err); return err; } if (enable) dev->features |= feature; else dev->features &= ~feature; return 0; } static int mlxsw_sp_set_features(struct net_device *dev, netdev_features_t features) { return mlxsw_sp_handle_feature(dev, features, NETIF_F_HW_TC, mlxsw_sp_feature_hw_tc); } static const struct net_device_ops mlxsw_sp_port_netdev_ops = { .ndo_open = mlxsw_sp_port_open, .ndo_stop = mlxsw_sp_port_stop, .ndo_start_xmit = mlxsw_sp_port_xmit, .ndo_setup_tc = mlxsw_sp_setup_tc, .ndo_set_rx_mode = mlxsw_sp_set_rx_mode, .ndo_set_mac_address = mlxsw_sp_port_set_mac_address, .ndo_change_mtu = mlxsw_sp_port_change_mtu, .ndo_get_stats64 = mlxsw_sp_port_get_stats64, .ndo_has_offload_stats = mlxsw_sp_port_has_offload_stats, .ndo_get_offload_stats = mlxsw_sp_port_get_offload_stats, .ndo_vlan_rx_add_vid = mlxsw_sp_port_add_vid, .ndo_vlan_rx_kill_vid = mlxsw_sp_port_kill_vid, .ndo_get_phys_port_name = mlxsw_sp_port_get_phys_port_name, .ndo_set_features = mlxsw_sp_set_features, }; static void mlxsw_sp_port_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; strlcpy(drvinfo->driver, mlxsw_sp->bus_info->device_kind, sizeof(drvinfo->driver)); strlcpy(drvinfo->version, mlxsw_sp_driver_version, sizeof(drvinfo->version)); snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%d", mlxsw_sp->bus_info->fw_rev.major, mlxsw_sp->bus_info->fw_rev.minor, mlxsw_sp->bus_info->fw_rev.subminor); strlcpy(drvinfo->bus_info, mlxsw_sp->bus_info->device_name, sizeof(drvinfo->bus_info)); } static void mlxsw_sp_port_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *pause) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); pause->rx_pause = mlxsw_sp_port->link.rx_pause; pause->tx_pause = mlxsw_sp_port->link.tx_pause; } static int mlxsw_sp_port_pause_set(struct mlxsw_sp_port *mlxsw_sp_port, struct ethtool_pauseparam *pause) { char pfcc_pl[MLXSW_REG_PFCC_LEN]; mlxsw_reg_pfcc_pack(pfcc_pl, mlxsw_sp_port->local_port); mlxsw_reg_pfcc_pprx_set(pfcc_pl, pause->rx_pause); mlxsw_reg_pfcc_pptx_set(pfcc_pl, pause->tx_pause); return mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pfcc), pfcc_pl); } static int mlxsw_sp_port_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *pause) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); bool pause_en = pause->tx_pause || pause->rx_pause; int err; if (mlxsw_sp_port->dcb.pfc && mlxsw_sp_port->dcb.pfc->pfc_en) { netdev_err(dev, "PFC already enabled on port\n"); return -EINVAL; } if (pause->autoneg) { netdev_err(dev, "PAUSE frames autonegotiation isn't supported\n"); return -EINVAL; } err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); if (err) { netdev_err(dev, "Failed to configure port's headroom\n"); return err; } err = mlxsw_sp_port_pause_set(mlxsw_sp_port, pause); if (err) { netdev_err(dev, "Failed to set PAUSE parameters\n"); goto err_port_pause_configure; } mlxsw_sp_port->link.rx_pause = pause->rx_pause; mlxsw_sp_port->link.tx_pause = pause->tx_pause; return 0; err_port_pause_configure: pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port); mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en); return err; } struct mlxsw_sp_port_hw_stats { char str[ETH_GSTRING_LEN]; u64 (*getter)(const char *payload); bool cells_bytes; }; static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_stats[] = { { .str = "a_frames_transmitted_ok", .getter = mlxsw_reg_ppcnt_a_frames_transmitted_ok_get, }, { .str = "a_frames_received_ok", .getter = mlxsw_reg_ppcnt_a_frames_received_ok_get, }, { .str = "a_frame_check_sequence_errors", .getter = mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get, }, { .str = "a_alignment_errors", .getter = mlxsw_reg_ppcnt_a_alignment_errors_get, }, { .str = "a_octets_transmitted_ok", .getter = mlxsw_reg_ppcnt_a_octets_transmitted_ok_get, }, { .str = "a_octets_received_ok", .getter = mlxsw_reg_ppcnt_a_octets_received_ok_get, }, { .str = "a_multicast_frames_xmitted_ok", .getter = mlxsw_reg_ppcnt_a_multicast_frames_xmitted_ok_get, }, { .str = "a_broadcast_frames_xmitted_ok", .getter = mlxsw_reg_ppcnt_a_broadcast_frames_xmitted_ok_get, }, { .str = "a_multicast_frames_received_ok", .getter = mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get, }, { .str = "a_broadcast_frames_received_ok", .getter = mlxsw_reg_ppcnt_a_broadcast_frames_received_ok_get, }, { .str = "a_in_range_length_errors", .getter = mlxsw_reg_ppcnt_a_in_range_length_errors_get, }, { .str = "a_out_of_range_length_field", .getter = mlxsw_reg_ppcnt_a_out_of_range_length_field_get, }, { .str = "a_frame_too_long_errors", .getter = mlxsw_reg_ppcnt_a_frame_too_long_errors_get, }, { .str = "a_symbol_error_during_carrier", .getter = mlxsw_reg_ppcnt_a_symbol_error_during_carrier_get, }, { .str = "a_mac_control_frames_transmitted", .getter = mlxsw_reg_ppcnt_a_mac_control_frames_transmitted_get, }, { .str = "a_mac_control_frames_received", .getter = mlxsw_reg_ppcnt_a_mac_control_frames_received_get, }, { .str = "a_unsupported_opcodes_received", .getter = mlxsw_reg_ppcnt_a_unsupported_opcodes_received_get, }, { .str = "a_pause_mac_ctrl_frames_received", .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_received_get, }, { .str = "a_pause_mac_ctrl_frames_xmitted", .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_transmitted_get, }, }; #define MLXSW_SP_PORT_HW_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_stats) static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2863_stats[] = { { .str = "if_in_discards", .getter = mlxsw_reg_ppcnt_if_in_discards_get, }, { .str = "if_out_discards", .getter = mlxsw_reg_ppcnt_if_out_discards_get, }, { .str = "if_out_errors", .getter = mlxsw_reg_ppcnt_if_out_errors_get, }, }; #define MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN \ ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2863_stats) static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2819_stats[] = { { .str = "ether_stats_undersize_pkts", .getter = mlxsw_reg_ppcnt_ether_stats_undersize_pkts_get, }, { .str = "ether_stats_oversize_pkts", .getter = mlxsw_reg_ppcnt_ether_stats_oversize_pkts_get, }, { .str = "ether_stats_fragments", .getter = mlxsw_reg_ppcnt_ether_stats_fragments_get, }, { .str = "ether_pkts64octets", .getter = mlxsw_reg_ppcnt_ether_stats_pkts64octets_get, }, { .str = "ether_pkts65to127octets", .getter = mlxsw_reg_ppcnt_ether_stats_pkts65to127octets_get, }, { .str = "ether_pkts128to255octets", .getter = mlxsw_reg_ppcnt_ether_stats_pkts128to255octets_get, }, { .str = "ether_pkts256to511octets", .getter = mlxsw_reg_ppcnt_ether_stats_pkts256to511octets_get, }, { .str = "ether_pkts512to1023octets", .getter = mlxsw_reg_ppcnt_ether_stats_pkts512to1023octets_get, }, { .str = "ether_pkts1024to1518octets", .getter = mlxsw_reg_ppcnt_ether_stats_pkts1024to1518octets_get, }, { .str = "ether_pkts1519to2047octets", .getter = mlxsw_reg_ppcnt_ether_stats_pkts1519to2047octets_get, }, { .str = "ether_pkts2048to4095octets", .getter = mlxsw_reg_ppcnt_ether_stats_pkts2048to4095octets_get, }, { .str = "ether_pkts4096to8191octets", .getter = mlxsw_reg_ppcnt_ether_stats_pkts4096to8191octets_get, }, { .str = "ether_pkts8192to10239octets", .getter = mlxsw_reg_ppcnt_ether_stats_pkts8192to10239octets_get, }, }; #define MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN \ ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2819_stats) static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_3635_stats[] = { { .str = "dot3stats_fcs_errors", .getter = mlxsw_reg_ppcnt_dot3stats_fcs_errors_get, }, { .str = "dot3stats_symbol_errors", .getter = mlxsw_reg_ppcnt_dot3stats_symbol_errors_get, }, { .str = "dot3control_in_unknown_opcodes", .getter = mlxsw_reg_ppcnt_dot3control_in_unknown_opcodes_get, }, { .str = "dot3in_pause_frames", .getter = mlxsw_reg_ppcnt_dot3in_pause_frames_get, }, }; #define MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN \ ARRAY_SIZE(mlxsw_sp_port_hw_rfc_3635_stats) static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_discard_stats[] = { { .str = "discard_ingress_general", .getter = mlxsw_reg_ppcnt_ingress_general_get, }, { .str = "discard_ingress_policy_engine", .getter = mlxsw_reg_ppcnt_ingress_policy_engine_get, }, { .str = "discard_ingress_vlan_membership", .getter = mlxsw_reg_ppcnt_ingress_vlan_membership_get, }, { .str = "discard_ingress_tag_frame_type", .getter = mlxsw_reg_ppcnt_ingress_tag_frame_type_get, }, { .str = "discard_egress_vlan_membership", .getter = mlxsw_reg_ppcnt_egress_vlan_membership_get, }, { .str = "discard_loopback_filter", .getter = mlxsw_reg_ppcnt_loopback_filter_get, }, { .str = "discard_egress_general", .getter = mlxsw_reg_ppcnt_egress_general_get, }, { .str = "discard_egress_hoq", .getter = mlxsw_reg_ppcnt_egress_hoq_get, }, { .str = "discard_egress_policy_engine", .getter = mlxsw_reg_ppcnt_egress_policy_engine_get, }, { .str = "discard_ingress_tx_link_down", .getter = mlxsw_reg_ppcnt_ingress_tx_link_down_get, }, { .str = "discard_egress_stp_filter", .getter = mlxsw_reg_ppcnt_egress_stp_filter_get, }, { .str = "discard_egress_sll", .getter = mlxsw_reg_ppcnt_egress_sll_get, }, }; #define MLXSW_SP_PORT_HW_DISCARD_STATS_LEN \ ARRAY_SIZE(mlxsw_sp_port_hw_discard_stats) static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_prio_stats[] = { { .str = "rx_octets_prio", .getter = mlxsw_reg_ppcnt_rx_octets_get, }, { .str = "rx_frames_prio", .getter = mlxsw_reg_ppcnt_rx_frames_get, }, { .str = "tx_octets_prio", .getter = mlxsw_reg_ppcnt_tx_octets_get, }, { .str = "tx_frames_prio", .getter = mlxsw_reg_ppcnt_tx_frames_get, }, { .str = "rx_pause_prio", .getter = mlxsw_reg_ppcnt_rx_pause_get, }, { .str = "rx_pause_duration_prio", .getter = mlxsw_reg_ppcnt_rx_pause_duration_get, }, { .str = "tx_pause_prio", .getter = mlxsw_reg_ppcnt_tx_pause_get, }, { .str = "tx_pause_duration_prio", .getter = mlxsw_reg_ppcnt_tx_pause_duration_get, }, }; #define MLXSW_SP_PORT_HW_PRIO_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_prio_stats) static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_tc_stats[] = { { .str = "tc_transmit_queue_tc", .getter = mlxsw_reg_ppcnt_tc_transmit_queue_get, .cells_bytes = true, }, { .str = "tc_no_buffer_discard_uc_tc", .getter = mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get, }, }; #define MLXSW_SP_PORT_HW_TC_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_tc_stats) #define MLXSW_SP_PORT_ETHTOOL_STATS_LEN (MLXSW_SP_PORT_HW_STATS_LEN + \ MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN + \ MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN + \ MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN + \ MLXSW_SP_PORT_HW_DISCARD_STATS_LEN + \ (MLXSW_SP_PORT_HW_PRIO_STATS_LEN * \ IEEE_8021QAZ_MAX_TCS) + \ (MLXSW_SP_PORT_HW_TC_STATS_LEN * \ TC_MAX_QUEUE)) static void mlxsw_sp_port_get_prio_strings(u8 **p, int prio) { int i; for (i = 0; i < MLXSW_SP_PORT_HW_PRIO_STATS_LEN; i++) { snprintf(*p, ETH_GSTRING_LEN, "%s_%d", mlxsw_sp_port_hw_prio_stats[i].str, prio); *p += ETH_GSTRING_LEN; } } static void mlxsw_sp_port_get_tc_strings(u8 **p, int tc) { int i; for (i = 0; i < MLXSW_SP_PORT_HW_TC_STATS_LEN; i++) { snprintf(*p, ETH_GSTRING_LEN, "%s_%d", mlxsw_sp_port_hw_tc_stats[i].str, tc); *p += ETH_GSTRING_LEN; } } static void mlxsw_sp_port_get_strings(struct net_device *dev, u32 stringset, u8 *data) { u8 *p = data; int i; switch (stringset) { case ETH_SS_STATS: for (i = 0; i < MLXSW_SP_PORT_HW_STATS_LEN; i++) { memcpy(p, mlxsw_sp_port_hw_stats[i].str, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; i++) { memcpy(p, mlxsw_sp_port_hw_rfc_2863_stats[i].str, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; i++) { memcpy(p, mlxsw_sp_port_hw_rfc_2819_stats[i].str, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } for (i = 0; i < MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; i++) { memcpy(p, mlxsw_sp_port_hw_rfc_3635_stats[i].str, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } for (i = 0; i < MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; i++) { memcpy(p, mlxsw_sp_port_hw_discard_stats[i].str, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) mlxsw_sp_port_get_prio_strings(&p, i); for (i = 0; i < TC_MAX_QUEUE; i++) mlxsw_sp_port_get_tc_strings(&p, i); break; } } static int mlxsw_sp_port_set_phys_id(struct net_device *dev, enum ethtool_phys_id_state state) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char mlcr_pl[MLXSW_REG_MLCR_LEN]; bool active; switch (state) { case ETHTOOL_ID_ACTIVE: active = true; break; case ETHTOOL_ID_INACTIVE: active = false; break; default: return -EOPNOTSUPP; } mlxsw_reg_mlcr_pack(mlcr_pl, mlxsw_sp_port->local_port, active); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mlcr), mlcr_pl); } static int mlxsw_sp_get_hw_stats_by_group(struct mlxsw_sp_port_hw_stats **p_hw_stats, int *p_len, enum mlxsw_reg_ppcnt_grp grp) { switch (grp) { case MLXSW_REG_PPCNT_IEEE_8023_CNT: *p_hw_stats = mlxsw_sp_port_hw_stats; *p_len = MLXSW_SP_PORT_HW_STATS_LEN; break; case MLXSW_REG_PPCNT_RFC_2863_CNT: *p_hw_stats = mlxsw_sp_port_hw_rfc_2863_stats; *p_len = MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; break; case MLXSW_REG_PPCNT_RFC_2819_CNT: *p_hw_stats = mlxsw_sp_port_hw_rfc_2819_stats; *p_len = MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; break; case MLXSW_REG_PPCNT_RFC_3635_CNT: *p_hw_stats = mlxsw_sp_port_hw_rfc_3635_stats; *p_len = MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; break; case MLXSW_REG_PPCNT_DISCARD_CNT: *p_hw_stats = mlxsw_sp_port_hw_discard_stats; *p_len = MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; break; case MLXSW_REG_PPCNT_PRIO_CNT: *p_hw_stats = mlxsw_sp_port_hw_prio_stats; *p_len = MLXSW_SP_PORT_HW_PRIO_STATS_LEN; break; case MLXSW_REG_PPCNT_TC_CNT: *p_hw_stats = mlxsw_sp_port_hw_tc_stats; *p_len = MLXSW_SP_PORT_HW_TC_STATS_LEN; break; default: WARN_ON(1); return -EOPNOTSUPP; } return 0; } static void __mlxsw_sp_port_get_stats(struct net_device *dev, enum mlxsw_reg_ppcnt_grp grp, int prio, u64 *data, int data_index) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_port_hw_stats *hw_stats; char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; int i, len; int err; err = mlxsw_sp_get_hw_stats_by_group(&hw_stats, &len, grp); if (err) return; mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl); for (i = 0; i < len; i++) { data[data_index + i] = hw_stats[i].getter(ppcnt_pl); if (!hw_stats[i].cells_bytes) continue; data[data_index + i] = mlxsw_sp_cells_bytes(mlxsw_sp, data[data_index + i]); } } static void mlxsw_sp_port_get_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data) { int i, data_index = 0; /* IEEE 802.3 Counters */ __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, 0, data, data_index); data_index = MLXSW_SP_PORT_HW_STATS_LEN; /* RFC 2863 Counters */ __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2863_CNT, 0, data, data_index); data_index += MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; /* RFC 2819 Counters */ __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2819_CNT, 0, data, data_index); data_index += MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; /* RFC 3635 Counters */ __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_3635_CNT, 0, data, data_index); data_index += MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; /* Discard Counters */ __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_DISCARD_CNT, 0, data, data_index); data_index += MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; /* Per-Priority Counters */ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_PRIO_CNT, i, data, data_index); data_index += MLXSW_SP_PORT_HW_PRIO_STATS_LEN; } /* Per-TC Counters */ for (i = 0; i < TC_MAX_QUEUE; i++) { __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_TC_CNT, i, data, data_index); data_index += MLXSW_SP_PORT_HW_TC_STATS_LEN; } } static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset) { switch (sset) { case ETH_SS_STATS: return MLXSW_SP_PORT_ETHTOOL_STATS_LEN; default: return -EOPNOTSUPP; } } struct mlxsw_sp_port_link_mode { enum ethtool_link_mode_bit_indices mask_ethtool; u32 mask; u32 speed; }; static const struct mlxsw_sp_port_link_mode mlxsw_sp_port_link_mode[] = { { .mask = MLXSW_REG_PTYS_ETH_SPEED_100BASE_T, .mask_ethtool = ETHTOOL_LINK_MODE_100baseT_Full_BIT, .speed = SPEED_100, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_SGMII | MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX, .mask_ethtool = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, .speed = SPEED_1000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T, .mask_ethtool = ETHTOOL_LINK_MODE_10000baseT_Full_BIT, .speed = SPEED_10000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4, .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, .speed = SPEED_10000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR, .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, .speed = SPEED_10000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2, .mask_ethtool = ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT, .speed = SPEED_20000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4, .mask_ethtool = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, .speed = SPEED_40000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4, .mask_ethtool = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, .speed = SPEED_40000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4, .mask_ethtool = ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, .speed = SPEED_40000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4, .mask_ethtool = ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, .speed = SPEED_40000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR, .mask_ethtool = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, .speed = SPEED_25000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR, .mask_ethtool = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, .speed = SPEED_25000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR, .mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, .speed = SPEED_25000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR, .mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, .speed = SPEED_25000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2, .mask_ethtool = ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, .speed = SPEED_50000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2, .mask_ethtool = ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, .speed = SPEED_50000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_SR2, .mask_ethtool = ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, .speed = SPEED_50000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, .mask_ethtool = ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT, .speed = SPEED_56000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, .mask_ethtool = ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT, .speed = SPEED_56000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, .mask_ethtool = ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT, .speed = SPEED_56000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_56GBASE_R4, .mask_ethtool = ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT, .speed = SPEED_56000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4, .mask_ethtool = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, .speed = SPEED_100000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4, .mask_ethtool = ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, .speed = SPEED_100000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4, .mask_ethtool = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, .speed = SPEED_100000, }, { .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4, .mask_ethtool = ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, .speed = SPEED_100000, }, }; #define MLXSW_SP_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp_port_link_mode) static void mlxsw_sp_from_ptys_supported_port(u32 ptys_eth_proto, struct ethtool_link_ksettings *cmd) { if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 | MLXSW_REG_PTYS_ETH_SPEED_SGMII)) ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE); if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 | MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX)) ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane); } static void mlxsw_sp_from_ptys_link(u32 ptys_eth_proto, unsigned long *mode) { int i; for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { if (ptys_eth_proto & mlxsw_sp_port_link_mode[i].mask) __set_bit(mlxsw_sp_port_link_mode[i].mask_ethtool, mode); } } static void mlxsw_sp_from_ptys_speed_duplex(bool carrier_ok, u32 ptys_eth_proto, struct ethtool_link_ksettings *cmd) { u32 speed = SPEED_UNKNOWN; u8 duplex = DUPLEX_UNKNOWN; int i; if (!carrier_ok) goto out; for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { if (ptys_eth_proto & mlxsw_sp_port_link_mode[i].mask) { speed = mlxsw_sp_port_link_mode[i].speed; duplex = DUPLEX_FULL; break; } } out: cmd->base.speed = speed; cmd->base.duplex = duplex; } static u8 mlxsw_sp_port_connector_port(u32 ptys_eth_proto) { if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 | MLXSW_REG_PTYS_ETH_SPEED_SGMII)) return PORT_FIBRE; if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4)) return PORT_DA; if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR | MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 | MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 | MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4)) return PORT_NONE; return PORT_OTHER; } static u32 mlxsw_sp_to_ptys_advert_link(const struct ethtool_link_ksettings *cmd) { u32 ptys_proto = 0; int i; for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { if (test_bit(mlxsw_sp_port_link_mode[i].mask_ethtool, cmd->link_modes.advertising)) ptys_proto |= mlxsw_sp_port_link_mode[i].mask; } return ptys_proto; } static u32 mlxsw_sp_to_ptys_speed(u32 speed) { u32 ptys_proto = 0; int i; for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { if (speed == mlxsw_sp_port_link_mode[i].speed) ptys_proto |= mlxsw_sp_port_link_mode[i].mask; } return ptys_proto; } static u32 mlxsw_sp_to_ptys_upper_speed(u32 upper_speed) { u32 ptys_proto = 0; int i; for (i = 0; i < MLXSW_SP_PORT_LINK_MODE_LEN; i++) { if (mlxsw_sp_port_link_mode[i].speed <= upper_speed) ptys_proto |= mlxsw_sp_port_link_mode[i].mask; } return ptys_proto; } static void mlxsw_sp_port_get_link_supported(u32 eth_proto_cap, struct ethtool_link_ksettings *cmd) { ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause); ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg); ethtool_link_ksettings_add_link_mode(cmd, supported, Pause); mlxsw_sp_from_ptys_supported_port(eth_proto_cap, cmd); mlxsw_sp_from_ptys_link(eth_proto_cap, cmd->link_modes.supported); } static void mlxsw_sp_port_get_link_advertise(u32 eth_proto_admin, bool autoneg, struct ethtool_link_ksettings *cmd) { if (!autoneg) return; ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg); mlxsw_sp_from_ptys_link(eth_proto_admin, cmd->link_modes.advertising); } static void mlxsw_sp_port_get_link_lp_advertise(u32 eth_proto_lp, u8 autoneg_status, struct ethtool_link_ksettings *cmd) { if (autoneg_status != MLXSW_REG_PTYS_AN_STATUS_OK || !eth_proto_lp) return; ethtool_link_ksettings_add_link_mode(cmd, lp_advertising, Autoneg); mlxsw_sp_from_ptys_link(eth_proto_lp, cmd->link_modes.lp_advertising); } static int mlxsw_sp_port_get_link_ksettings(struct net_device *dev, struct ethtool_link_ksettings *cmd) { u32 eth_proto_cap, eth_proto_admin, eth_proto_oper, eth_proto_lp; struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char ptys_pl[MLXSW_REG_PTYS_LEN]; u8 autoneg_status; bool autoneg; int err; autoneg = mlxsw_sp_port->link.autoneg; mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, 0, false); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); if (err) return err; mlxsw_reg_ptys_eth_unpack(ptys_pl, ð_proto_cap, ð_proto_admin, ð_proto_oper); mlxsw_sp_port_get_link_supported(eth_proto_cap, cmd); mlxsw_sp_port_get_link_advertise(eth_proto_admin, autoneg, cmd); eth_proto_lp = mlxsw_reg_ptys_eth_proto_lp_advertise_get(ptys_pl); autoneg_status = mlxsw_reg_ptys_an_status_get(ptys_pl); mlxsw_sp_port_get_link_lp_advertise(eth_proto_lp, autoneg_status, cmd); cmd->base.autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE; cmd->base.port = mlxsw_sp_port_connector_port(eth_proto_oper); mlxsw_sp_from_ptys_speed_duplex(netif_carrier_ok(dev), eth_proto_oper, cmd); return 0; } static int mlxsw_sp_port_set_link_ksettings(struct net_device *dev, const struct ethtool_link_ksettings *cmd) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char ptys_pl[MLXSW_REG_PTYS_LEN]; u32 eth_proto_cap, eth_proto_new; bool autoneg; int err; mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, 0, false); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); if (err) return err; mlxsw_reg_ptys_eth_unpack(ptys_pl, ð_proto_cap, NULL, NULL); autoneg = cmd->base.autoneg == AUTONEG_ENABLE; eth_proto_new = autoneg ? mlxsw_sp_to_ptys_advert_link(cmd) : mlxsw_sp_to_ptys_speed(cmd->base.speed); eth_proto_new = eth_proto_new & eth_proto_cap; if (!eth_proto_new) { netdev_err(dev, "No supported speed requested\n"); return -EINVAL; } mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, eth_proto_new, autoneg); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); if (err) return err; if (!netif_running(dev)) return 0; mlxsw_sp_port->link.autoneg = autoneg; mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true); return 0; } static int mlxsw_sp_flash_device(struct net_device *dev, struct ethtool_flash *flash) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; const struct firmware *firmware; int err; if (flash->region != ETHTOOL_FLASH_ALL_REGIONS) return -EOPNOTSUPP; dev_hold(dev); rtnl_unlock(); err = request_firmware_direct(&firmware, flash->data, &dev->dev); if (err) goto out; err = mlxsw_sp_firmware_flash(mlxsw_sp, firmware); release_firmware(firmware); out: rtnl_lock(); dev_put(dev); return err; } #define MLXSW_SP_I2C_ADDR_LOW 0x50 #define MLXSW_SP_I2C_ADDR_HIGH 0x51 #define MLXSW_SP_EEPROM_PAGE_LENGTH 256 static int mlxsw_sp_query_module_eeprom(struct mlxsw_sp_port *mlxsw_sp_port, u16 offset, u16 size, void *data, unsigned int *p_read_size) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char eeprom_tmp[MLXSW_SP_REG_MCIA_EEPROM_SIZE]; char mcia_pl[MLXSW_REG_MCIA_LEN]; u16 i2c_addr; int status; int err; size = min_t(u16, size, MLXSW_SP_REG_MCIA_EEPROM_SIZE); if (offset < MLXSW_SP_EEPROM_PAGE_LENGTH && offset + size > MLXSW_SP_EEPROM_PAGE_LENGTH) /* Cross pages read, read until offset 256 in low page */ size = MLXSW_SP_EEPROM_PAGE_LENGTH - offset; i2c_addr = MLXSW_SP_I2C_ADDR_LOW; if (offset >= MLXSW_SP_EEPROM_PAGE_LENGTH) { i2c_addr = MLXSW_SP_I2C_ADDR_HIGH; offset -= MLXSW_SP_EEPROM_PAGE_LENGTH; } mlxsw_reg_mcia_pack(mcia_pl, mlxsw_sp_port->mapping.module, 0, 0, offset, size, i2c_addr); err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcia), mcia_pl); if (err) return err; status = mlxsw_reg_mcia_status_get(mcia_pl); if (status) return -EIO; mlxsw_reg_mcia_eeprom_memcpy_from(mcia_pl, eeprom_tmp); memcpy(data, eeprom_tmp, size); *p_read_size = size; return 0; } enum mlxsw_sp_eeprom_module_info_rev_id { MLXSW_SP_EEPROM_MODULE_INFO_REV_ID_UNSPC = 0x00, MLXSW_SP_EEPROM_MODULE_INFO_REV_ID_8436 = 0x01, MLXSW_SP_EEPROM_MODULE_INFO_REV_ID_8636 = 0x03, }; enum mlxsw_sp_eeprom_module_info_id { MLXSW_SP_EEPROM_MODULE_INFO_ID_SFP = 0x03, MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP = 0x0C, MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP_PLUS = 0x0D, MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP28 = 0x11, }; enum mlxsw_sp_eeprom_module_info { MLXSW_SP_EEPROM_MODULE_INFO_ID, MLXSW_SP_EEPROM_MODULE_INFO_REV_ID, MLXSW_SP_EEPROM_MODULE_INFO_SIZE, }; static int mlxsw_sp_get_module_info(struct net_device *netdev, struct ethtool_modinfo *modinfo) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev); u8 module_info[MLXSW_SP_EEPROM_MODULE_INFO_SIZE]; u8 module_rev_id, module_id; unsigned int read_size; int err; err = mlxsw_sp_query_module_eeprom(mlxsw_sp_port, 0, MLXSW_SP_EEPROM_MODULE_INFO_SIZE, module_info, &read_size); if (err) return err; if (read_size < MLXSW_SP_EEPROM_MODULE_INFO_SIZE) return -EIO; module_rev_id = module_info[MLXSW_SP_EEPROM_MODULE_INFO_REV_ID]; module_id = module_info[MLXSW_SP_EEPROM_MODULE_INFO_ID]; switch (module_id) { case MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP: modinfo->type = ETH_MODULE_SFF_8436; modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; break; case MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP_PLUS: case MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP28: if (module_id == MLXSW_SP_EEPROM_MODULE_INFO_ID_QSFP28 || module_rev_id >= MLXSW_SP_EEPROM_MODULE_INFO_REV_ID_8636) { modinfo->type = ETH_MODULE_SFF_8636; modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; } else { modinfo->type = ETH_MODULE_SFF_8436; modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; } break; case MLXSW_SP_EEPROM_MODULE_INFO_ID_SFP: modinfo->type = ETH_MODULE_SFF_8472; modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; break; default: return -EINVAL; } return 0; } static int mlxsw_sp_get_module_eeprom(struct net_device *netdev, struct ethtool_eeprom *ee, u8 *data) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev); int offset = ee->offset; unsigned int read_size; int i = 0; int err; if (!ee->len) return -EINVAL; memset(data, 0, ee->len); while (i < ee->len) { err = mlxsw_sp_query_module_eeprom(mlxsw_sp_port, offset, ee->len - i, data + i, &read_size); if (err) { netdev_err(mlxsw_sp_port->dev, "Eeprom query failed\n"); return err; } i += read_size; offset += read_size; } return 0; } static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = { .get_drvinfo = mlxsw_sp_port_get_drvinfo, .get_link = ethtool_op_get_link, .get_pauseparam = mlxsw_sp_port_get_pauseparam, .set_pauseparam = mlxsw_sp_port_set_pauseparam, .get_strings = mlxsw_sp_port_get_strings, .set_phys_id = mlxsw_sp_port_set_phys_id, .get_ethtool_stats = mlxsw_sp_port_get_stats, .get_sset_count = mlxsw_sp_port_get_sset_count, .get_link_ksettings = mlxsw_sp_port_get_link_ksettings, .set_link_ksettings = mlxsw_sp_port_set_link_ksettings, .flash_device = mlxsw_sp_flash_device, .get_module_info = mlxsw_sp_get_module_info, .get_module_eeprom = mlxsw_sp_get_module_eeprom, }; static int mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 width) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; u32 upper_speed = MLXSW_SP_PORT_BASE_SPEED * width; char ptys_pl[MLXSW_REG_PTYS_LEN]; u32 eth_proto_admin; eth_proto_admin = mlxsw_sp_to_ptys_upper_speed(upper_speed); mlxsw_reg_ptys_eth_pack(ptys_pl, mlxsw_sp_port->local_port, eth_proto_admin, mlxsw_sp_port->link.autoneg); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl); } int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port, enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index, bool dwrr, u8 dwrr_weight) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char qeec_pl[MLXSW_REG_QEEC_LEN]; mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, next_index); mlxsw_reg_qeec_de_set(qeec_pl, true); mlxsw_reg_qeec_dwrr_set(qeec_pl, dwrr); mlxsw_reg_qeec_dwrr_weight_set(qeec_pl, dwrr_weight); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); } int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port, enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index, u32 maxrate) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char qeec_pl[MLXSW_REG_QEEC_LEN]; mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, next_index); mlxsw_reg_qeec_mase_set(qeec_pl, true); mlxsw_reg_qeec_max_shaper_rate_set(qeec_pl, maxrate); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); } static int mlxsw_sp_port_min_bw_set(struct mlxsw_sp_port *mlxsw_sp_port, enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index, u32 minrate) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char qeec_pl[MLXSW_REG_QEEC_LEN]; mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index, next_index); mlxsw_reg_qeec_mise_set(qeec_pl, true); mlxsw_reg_qeec_min_shaper_rate_set(qeec_pl, minrate); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl); } int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 switch_prio, u8 tclass) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char qtct_pl[MLXSW_REG_QTCT_LEN]; mlxsw_reg_qtct_pack(qtct_pl, mlxsw_sp_port->local_port, switch_prio, tclass); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtct), qtct_pl); } static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port) { int err, i; /* Setup the elements hierarcy, so that each TC is linked to * one subgroup, which are all member in the same group. */ err = mlxsw_sp_port_ets_set(mlxsw_sp_port, MLXSW_REG_QEEC_HIERARCY_GROUP, 0, 0, false, 0); if (err) return err; for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_set(mlxsw_sp_port, MLXSW_REG_QEEC_HIERARCY_SUBGROUP, i, 0, false, 0); if (err) return err; } for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_set(mlxsw_sp_port, MLXSW_REG_QEEC_HIERARCY_TC, i, i, false, 0); if (err) return err; err = mlxsw_sp_port_ets_set(mlxsw_sp_port, MLXSW_REG_QEEC_HIERARCY_TC, i + 8, i, false, 0); if (err) return err; } /* Make sure the max shaper is disabled in all hierarchies that * support it. */ err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, MLXSW_REG_QEEC_HIERARCY_PORT, 0, 0, MLXSW_REG_QEEC_MAS_DIS); if (err) return err; for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, MLXSW_REG_QEEC_HIERARCY_SUBGROUP, i, 0, MLXSW_REG_QEEC_MAS_DIS); if (err) return err; } for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, MLXSW_REG_QEEC_HIERARCY_TC, i, i, MLXSW_REG_QEEC_MAS_DIS); if (err) return err; err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port, MLXSW_REG_QEEC_HIERARCY_TC, i + 8, i, MLXSW_REG_QEEC_MAS_DIS); if (err) return err; } /* Configure the min shaper for multicast TCs. */ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_min_bw_set(mlxsw_sp_port, MLXSW_REG_QEEC_HIERARCY_TC, i + 8, i, MLXSW_REG_QEEC_MIS_MIN); if (err) return err; } /* Map all priorities to traffic class 0. */ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlxsw_sp_port_prio_tc_set(mlxsw_sp_port, i, 0); if (err) return err; } return 0; } static int mlxsw_sp_port_tc_mc_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char qtctm_pl[MLXSW_REG_QTCTM_LEN]; mlxsw_reg_qtctm_pack(qtctm_pl, mlxsw_sp_port->local_port, enable); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtctm), qtctm_pl); } static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, bool split, u8 module, u8 width, u8 lane) { struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; struct mlxsw_sp_port *mlxsw_sp_port; struct net_device *dev; int err; err = mlxsw_core_port_init(mlxsw_sp->core, local_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to init core port\n", local_port); return err; } dev = alloc_etherdev(sizeof(struct mlxsw_sp_port)); if (!dev) { err = -ENOMEM; goto err_alloc_etherdev; } SET_NETDEV_DEV(dev, mlxsw_sp->bus_info->dev); mlxsw_sp_port = netdev_priv(dev); mlxsw_sp_port->dev = dev; mlxsw_sp_port->mlxsw_sp = mlxsw_sp; mlxsw_sp_port->local_port = local_port; mlxsw_sp_port->pvid = MLXSW_SP_DEFAULT_VID; mlxsw_sp_port->split = split; mlxsw_sp_port->mapping.module = module; mlxsw_sp_port->mapping.width = width; mlxsw_sp_port->mapping.lane = lane; mlxsw_sp_port->link.autoneg = 1; INIT_LIST_HEAD(&mlxsw_sp_port->vlans_list); INIT_LIST_HEAD(&mlxsw_sp_port->mall_tc_list); mlxsw_sp_port->pcpu_stats = netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats); if (!mlxsw_sp_port->pcpu_stats) { err = -ENOMEM; goto err_alloc_stats; } mlxsw_sp_port->sample = kzalloc(sizeof(*mlxsw_sp_port->sample), GFP_KERNEL); if (!mlxsw_sp_port->sample) { err = -ENOMEM; goto err_alloc_sample; } INIT_DELAYED_WORK(&mlxsw_sp_port->periodic_hw_stats.update_dw, &update_stats_cache); dev->netdev_ops = &mlxsw_sp_port_netdev_ops; dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops; err = mlxsw_sp_port_module_map(mlxsw_sp_port, module, width, lane); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to map module\n", mlxsw_sp_port->local_port); goto err_port_module_map; } err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n", mlxsw_sp_port->local_port); goto err_port_swid_set; } err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n", mlxsw_sp_port->local_port); goto err_dev_addr_init; } netif_carrier_off(dev); dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_LLTX | NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_TC; dev->hw_features |= NETIF_F_HW_TC; dev->min_mtu = 0; dev->max_mtu = ETH_MAX_MTU; /* Each packet needs to have a Tx header (metadata) on top all other * headers. */ dev->needed_headroom = MLXSW_TXHDR_LEN; err = mlxsw_sp_port_system_port_mapping_set(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set system port mapping\n", mlxsw_sp_port->local_port); goto err_port_system_port_mapping_set; } err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port, width); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n", mlxsw_sp_port->local_port); goto err_port_speed_by_width_set; } err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, ETH_DATA_LEN); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set MTU\n", mlxsw_sp_port->local_port); goto err_port_mtu_set; } err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false); if (err) goto err_port_admin_status_set; err = mlxsw_sp_port_buffers_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize buffers\n", mlxsw_sp_port->local_port); goto err_port_buffers_init; } err = mlxsw_sp_port_ets_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize ETS\n", mlxsw_sp_port->local_port); goto err_port_ets_init; } err = mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, true); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC MC mode\n", mlxsw_sp_port->local_port); goto err_port_tc_mc_mode; } /* ETS and buffers must be initialized before DCB. */ err = mlxsw_sp_port_dcb_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize DCB\n", mlxsw_sp_port->local_port); goto err_port_dcb_init; } err = mlxsw_sp_port_fids_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize FIDs\n", mlxsw_sp_port->local_port); goto err_port_fids_init; } err = mlxsw_sp_tc_qdisc_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC qdiscs\n", mlxsw_sp_port->local_port); goto err_port_qdiscs_init; } err = mlxsw_sp_port_nve_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize NVE\n", mlxsw_sp_port->local_port); goto err_port_nve_init; } err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set PVID\n", mlxsw_sp_port->local_port); goto err_port_pvid_set; } mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_create(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID); if (IS_ERR(mlxsw_sp_port_vlan)) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create VID 1\n", mlxsw_sp_port->local_port); err = PTR_ERR(mlxsw_sp_port_vlan); goto err_port_vlan_create; } mlxsw_sp_port->default_vlan = mlxsw_sp_port_vlan; mlxsw_sp_port_switchdev_init(mlxsw_sp_port); mlxsw_sp->ports[local_port] = mlxsw_sp_port; err = register_netdev(dev); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register netdev\n", mlxsw_sp_port->local_port); goto err_register_netdev; } mlxsw_core_port_eth_set(mlxsw_sp->core, mlxsw_sp_port->local_port, mlxsw_sp_port, dev, module + 1, mlxsw_sp_port->split, lane / width); mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, 0); return 0; err_register_netdev: mlxsw_sp->ports[local_port] = NULL; mlxsw_sp_port_switchdev_fini(mlxsw_sp_port); mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); err_port_vlan_create: err_port_pvid_set: mlxsw_sp_port_nve_fini(mlxsw_sp_port); err_port_nve_init: mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port); err_port_qdiscs_init: mlxsw_sp_port_fids_fini(mlxsw_sp_port); err_port_fids_init: mlxsw_sp_port_dcb_fini(mlxsw_sp_port); err_port_dcb_init: mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false); err_port_tc_mc_mode: err_port_ets_init: err_port_buffers_init: err_port_admin_status_set: err_port_mtu_set: err_port_speed_by_width_set: err_port_system_port_mapping_set: err_dev_addr_init: mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); err_port_swid_set: mlxsw_sp_port_module_unmap(mlxsw_sp_port); err_port_module_map: kfree(mlxsw_sp_port->sample); err_alloc_sample: free_percpu(mlxsw_sp_port->pcpu_stats); err_alloc_stats: free_netdev(dev); err_alloc_etherdev: mlxsw_core_port_fini(mlxsw_sp->core, local_port); return err; } static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port) { struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw); mlxsw_core_port_clear(mlxsw_sp->core, local_port, mlxsw_sp); unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */ mlxsw_sp->ports[local_port] = NULL; mlxsw_sp_port_switchdev_fini(mlxsw_sp_port); mlxsw_sp_port_vlan_flush(mlxsw_sp_port, true); mlxsw_sp_port_nve_fini(mlxsw_sp_port); mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port); mlxsw_sp_port_fids_fini(mlxsw_sp_port); mlxsw_sp_port_dcb_fini(mlxsw_sp_port); mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false); mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); mlxsw_sp_port_module_unmap(mlxsw_sp_port); kfree(mlxsw_sp_port->sample); free_percpu(mlxsw_sp_port->pcpu_stats); WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vlans_list)); free_netdev(mlxsw_sp_port->dev); mlxsw_core_port_fini(mlxsw_sp->core, local_port); } static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u8 local_port) { return mlxsw_sp->ports[local_port] != NULL; } static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp) { int i; for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++) if (mlxsw_sp_port_created(mlxsw_sp, i)) mlxsw_sp_port_remove(mlxsw_sp, i); kfree(mlxsw_sp->port_to_module); kfree(mlxsw_sp->ports); } static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp) { unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core); u8 module, width, lane; size_t alloc_size; int i; int err; alloc_size = sizeof(struct mlxsw_sp_port *) * max_ports; mlxsw_sp->ports = kzalloc(alloc_size, GFP_KERNEL); if (!mlxsw_sp->ports) return -ENOMEM; mlxsw_sp->port_to_module = kmalloc_array(max_ports, sizeof(int), GFP_KERNEL); if (!mlxsw_sp->port_to_module) { err = -ENOMEM; goto err_port_to_module_alloc; } for (i = 1; i < max_ports; i++) { /* Mark as invalid */ mlxsw_sp->port_to_module[i] = -1; err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, &module, &width, &lane); if (err) goto err_port_module_info_get; if (!width) continue; mlxsw_sp->port_to_module[i] = module; err = mlxsw_sp_port_create(mlxsw_sp, i, false, module, width, lane); if (err) goto err_port_create; } return 0; err_port_create: err_port_module_info_get: for (i--; i >= 1; i--) if (mlxsw_sp_port_created(mlxsw_sp, i)) mlxsw_sp_port_remove(mlxsw_sp, i); kfree(mlxsw_sp->port_to_module); err_port_to_module_alloc: kfree(mlxsw_sp->ports); return err; } static u8 mlxsw_sp_cluster_base_port_get(u8 local_port) { u8 offset = (local_port - 1) % MLXSW_SP_PORTS_PER_CLUSTER_MAX; return local_port - offset; } static int mlxsw_sp_port_split_create(struct mlxsw_sp *mlxsw_sp, u8 base_port, u8 module, unsigned int count) { u8 width = MLXSW_PORT_MODULE_MAX_WIDTH / count; int err, i; for (i = 0; i < count; i++) { err = mlxsw_sp_port_create(mlxsw_sp, base_port + i, true, module, width, i * width); if (err) goto err_port_create; } return 0; err_port_create: for (i--; i >= 0; i--) if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) mlxsw_sp_port_remove(mlxsw_sp, base_port + i); return err; } static void mlxsw_sp_port_unsplit_create(struct mlxsw_sp *mlxsw_sp, u8 base_port, unsigned int count) { u8 local_port, module, width = MLXSW_PORT_MODULE_MAX_WIDTH; int i; /* Split by four means we need to re-create two ports, otherwise * only one. */ count = count / 2; for (i = 0; i < count; i++) { local_port = base_port + i * 2; if (mlxsw_sp->port_to_module[local_port] < 0) continue; module = mlxsw_sp->port_to_module[local_port]; mlxsw_sp_port_create(mlxsw_sp, local_port, false, module, width, 0); } } static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port, unsigned int count, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); struct mlxsw_sp_port *mlxsw_sp_port; u8 module, cur_width, base_port; int i; int err; mlxsw_sp_port = mlxsw_sp->ports[local_port]; if (!mlxsw_sp_port) { dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", local_port); NL_SET_ERR_MSG_MOD(extack, "Port number does not exist"); return -EINVAL; } module = mlxsw_sp_port->mapping.module; cur_width = mlxsw_sp_port->mapping.width; if (count != 2 && count != 4) { netdev_err(mlxsw_sp_port->dev, "Port can only be split into 2 or 4 ports\n"); NL_SET_ERR_MSG_MOD(extack, "Port can only be split into 2 or 4 ports"); return -EINVAL; } if (cur_width != MLXSW_PORT_MODULE_MAX_WIDTH) { netdev_err(mlxsw_sp_port->dev, "Port cannot be split further\n"); NL_SET_ERR_MSG_MOD(extack, "Port cannot be split further"); return -EINVAL; } /* Make sure we have enough slave (even) ports for the split. */ if (count == 2) { base_port = local_port; if (mlxsw_sp->ports[base_port + 1]) { netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n"); NL_SET_ERR_MSG_MOD(extack, "Invalid split configuration"); return -EINVAL; } } else { base_port = mlxsw_sp_cluster_base_port_get(local_port); if (mlxsw_sp->ports[base_port + 1] || mlxsw_sp->ports[base_port + 3]) { netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n"); NL_SET_ERR_MSG_MOD(extack, "Invalid split configuration"); return -EINVAL; } } for (i = 0; i < count; i++) if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) mlxsw_sp_port_remove(mlxsw_sp, base_port + i); err = mlxsw_sp_port_split_create(mlxsw_sp, base_port, module, count); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to create split ports\n"); goto err_port_split_create; } return 0; err_port_split_create: mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count); return err; } static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u8 local_port, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); struct mlxsw_sp_port *mlxsw_sp_port; u8 cur_width, base_port; unsigned int count; int i; mlxsw_sp_port = mlxsw_sp->ports[local_port]; if (!mlxsw_sp_port) { dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n", local_port); NL_SET_ERR_MSG_MOD(extack, "Port number does not exist"); return -EINVAL; } if (!mlxsw_sp_port->split) { netdev_err(mlxsw_sp_port->dev, "Port was not split\n"); NL_SET_ERR_MSG_MOD(extack, "Port was not split"); return -EINVAL; } cur_width = mlxsw_sp_port->mapping.width; count = cur_width == 1 ? 4 : 2; base_port = mlxsw_sp_cluster_base_port_get(local_port); /* Determine which ports to remove. */ if (count == 2 && local_port >= base_port + 2) base_port = base_port + 2; for (i = 0; i < count; i++) if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) mlxsw_sp_port_remove(mlxsw_sp, base_port + i); mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count); return 0; } static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg, char *pude_pl, void *priv) { struct mlxsw_sp *mlxsw_sp = priv; struct mlxsw_sp_port *mlxsw_sp_port; enum mlxsw_reg_pude_oper_status status; u8 local_port; local_port = mlxsw_reg_pude_local_port_get(pude_pl); mlxsw_sp_port = mlxsw_sp->ports[local_port]; if (!mlxsw_sp_port) return; status = mlxsw_reg_pude_oper_status_get(pude_pl); if (status == MLXSW_PORT_OPER_STATUS_UP) { netdev_info(mlxsw_sp_port->dev, "link up\n"); netif_carrier_on(mlxsw_sp_port->dev); } else { netdev_info(mlxsw_sp_port->dev, "link down\n"); netif_carrier_off(mlxsw_sp_port->dev); } } static void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb, u8 local_port, void *priv) { struct mlxsw_sp *mlxsw_sp = priv; struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; struct mlxsw_sp_port_pcpu_stats *pcpu_stats; if (unlikely(!mlxsw_sp_port)) { dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: skb received for non-existent port\n", local_port); return; } skb->dev = mlxsw_sp_port->dev; pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); u64_stats_update_begin(&pcpu_stats->syncp); pcpu_stats->rx_packets++; pcpu_stats->rx_bytes += skb->len; u64_stats_update_end(&pcpu_stats->syncp); skb->protocol = eth_type_trans(skb, skb->dev); netif_receive_skb(skb); } static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u8 local_port, void *priv) { skb->offload_fwd_mark = 1; return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv); } static void mlxsw_sp_rx_listener_l3_mark_func(struct sk_buff *skb, u8 local_port, void *priv) { skb->offload_l3_fwd_mark = 1; skb->offload_fwd_mark = 1; return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv); } static void mlxsw_sp_rx_listener_sample_func(struct sk_buff *skb, u8 local_port, void *priv) { struct mlxsw_sp *mlxsw_sp = priv; struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port]; struct psample_group *psample_group; u32 size; if (unlikely(!mlxsw_sp_port)) { dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: sample skb received for non-existent port\n", local_port); goto out; } if (unlikely(!mlxsw_sp_port->sample)) { dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: sample skb received on unsupported port\n", local_port); goto out; } size = mlxsw_sp_port->sample->truncate ? mlxsw_sp_port->sample->trunc_size : skb->len; rcu_read_lock(); psample_group = rcu_dereference(mlxsw_sp_port->sample->psample_group); if (!psample_group) goto out_unlock; psample_sample_packet(psample_group, skb, size, mlxsw_sp_port->dev->ifindex, 0, mlxsw_sp_port->sample->rate); out_unlock: rcu_read_unlock(); out: consume_skb(skb); } #define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action, \ _is_ctrl, SP_##_trap_group, DISCARD) #define MLXSW_SP_RXL_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action, \ _is_ctrl, SP_##_trap_group, DISCARD) #define MLXSW_SP_RXL_L3_MARK(_trap_id, _action, _trap_group, _is_ctrl) \ MLXSW_RXL(mlxsw_sp_rx_listener_l3_mark_func, _trap_id, _action, \ _is_ctrl, SP_##_trap_group, DISCARD) #define MLXSW_SP_EVENTL(_func, _trap_id) \ MLXSW_EVENTL(_func, _trap_id, SP_EVENT) static const struct mlxsw_listener mlxsw_sp_listener[] = { /* Events */ MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE), /* L2 traps */ MLXSW_SP_RXL_NO_MARK(STP, TRAP_TO_CPU, STP, true), MLXSW_SP_RXL_NO_MARK(LACP, TRAP_TO_CPU, LACP, true), MLXSW_SP_RXL_NO_MARK(LLDP, TRAP_TO_CPU, LLDP, true), MLXSW_SP_RXL_MARK(DHCP, MIRROR_TO_CPU, DHCP, false), MLXSW_SP_RXL_MARK(IGMP_QUERY, MIRROR_TO_CPU, IGMP, false), MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, TRAP_TO_CPU, IGMP, false), MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, TRAP_TO_CPU, IGMP, false), MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, TRAP_TO_CPU, IGMP, false), MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, TRAP_TO_CPU, IGMP, false), MLXSW_SP_RXL_MARK(ARPBC, MIRROR_TO_CPU, ARP, false), MLXSW_SP_RXL_MARK(ARPUC, MIRROR_TO_CPU, ARP, false), MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, IP2ME, false), MLXSW_SP_RXL_MARK(IPV6_MLDV12_LISTENER_QUERY, MIRROR_TO_CPU, IPV6_MLD, false), MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_REPORT, TRAP_TO_CPU, IPV6_MLD, false), MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_DONE, TRAP_TO_CPU, IPV6_MLD, false), MLXSW_SP_RXL_NO_MARK(IPV6_MLDV2_LISTENER_REPORT, TRAP_TO_CPU, IPV6_MLD, false), /* L3 traps */ MLXSW_SP_RXL_MARK(MTUERROR, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(TTLERROR, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_L3_MARK(LBERROR, MIRROR_TO_CPU, LBERROR, false), MLXSW_SP_RXL_MARK(IP2ME, TRAP_TO_CPU, IP2ME, false), MLXSW_SP_RXL_MARK(IPV6_UNSPECIFIED_ADDRESS, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_SRC, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPV6_ALL_NODES_LINK, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPV6_ALL_ROUTERS_LINK, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPV4_OSPF, TRAP_TO_CPU, OSPF, false), MLXSW_SP_RXL_MARK(IPV6_OSPF, TRAP_TO_CPU, OSPF, false), MLXSW_SP_RXL_MARK(IPV6_DHCP, TRAP_TO_CPU, DHCP, false), MLXSW_SP_RXL_MARK(RTR_INGRESS0, TRAP_TO_CPU, REMOTE_ROUTE, false), MLXSW_SP_RXL_MARK(IPV4_BGP, TRAP_TO_CPU, BGP, false), MLXSW_SP_RXL_MARK(IPV6_BGP, TRAP_TO_CPU, BGP, false), MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_SOLICITATION, TRAP_TO_CPU, IPV6_ND, false), MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_ADVERTISMENT, TRAP_TO_CPU, IPV6_ND, false), MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_SOLICITATION, TRAP_TO_CPU, IPV6_ND, false), MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_ADVERTISMENT, TRAP_TO_CPU, IPV6_ND, false), MLXSW_SP_RXL_MARK(L3_IPV6_REDIRECTION, TRAP_TO_CPU, IPV6_ND, false), MLXSW_SP_RXL_MARK(IPV6_MC_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(HOST_MISS_IPV4, TRAP_TO_CPU, HOST_MISS, false), MLXSW_SP_RXL_MARK(HOST_MISS_IPV6, TRAP_TO_CPU, HOST_MISS, false), MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPIP_DECAP_ERROR, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(DECAP_ECN0, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPV4_VRRP, TRAP_TO_CPU, ROUTER_EXP, false), MLXSW_SP_RXL_MARK(IPV6_VRRP, TRAP_TO_CPU, ROUTER_EXP, false), /* PKT Sample trap */ MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU, false, SP_IP2ME, DISCARD), /* ACL trap */ MLXSW_SP_RXL_NO_MARK(ACL0, TRAP_TO_CPU, IP2ME, false), /* Multicast Router Traps */ MLXSW_SP_RXL_MARK(IPV4_PIM, TRAP_TO_CPU, PIM, false), MLXSW_SP_RXL_MARK(IPV6_PIM, TRAP_TO_CPU, PIM, false), MLXSW_SP_RXL_MARK(RPF, TRAP_TO_CPU, RPF, false), MLXSW_SP_RXL_MARK(ACL1, TRAP_TO_CPU, MULTICAST, false), MLXSW_SP_RXL_L3_MARK(ACL2, TRAP_TO_CPU, MULTICAST, false), /* NVE traps */ MLXSW_SP_RXL_MARK(NVE_ENCAP_ARP, TRAP_TO_CPU, ARP, false), MLXSW_SP_RXL_NO_MARK(NVE_DECAP_ARP, TRAP_TO_CPU, ARP, false), }; static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core) { char qpcr_pl[MLXSW_REG_QPCR_LEN]; enum mlxsw_reg_qpcr_ir_units ir_units; int max_cpu_policers; bool is_bytes; u8 burst_size; u32 rate; int i, err; if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_CPU_POLICERS)) return -EIO; max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS); ir_units = MLXSW_REG_QPCR_IR_UNITS_M; for (i = 0; i < max_cpu_policers; i++) { is_bytes = false; switch (i) { case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF: case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM: case MLXSW_REG_HTGT_TRAP_GROUP_SP_RPF: case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR: rate = 128; burst_size = 7; break; case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_MLD: rate = 16 * 1024; burst_size = 10; break; case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_HOST_MISS: case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE: case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND: case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST: rate = 1024; burst_size = 7; break; case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME: rate = 4 * 1024; burst_size = 4; break; default: continue; } mlxsw_reg_qpcr_pack(qpcr_pl, i, ir_units, is_bytes, rate, burst_size); err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(qpcr), qpcr_pl); if (err) return err; } return 0; } static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core) { char htgt_pl[MLXSW_REG_HTGT_LEN]; enum mlxsw_reg_htgt_trap_group i; int max_cpu_policers; int max_trap_groups; u8 priority, tc; u16 policer_id; int err; if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_TRAP_GROUPS)) return -EIO; max_trap_groups = MLXSW_CORE_RES_GET(mlxsw_core, MAX_TRAP_GROUPS); max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS); for (i = 0; i < max_trap_groups; i++) { policer_id = i; switch (i) { case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF: case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM: priority = 5; tc = 5; break; case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP: priority = 4; tc = 4; break; case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME: case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_MLD: priority = 3; tc = 3; break; case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND: case MLXSW_REG_HTGT_TRAP_GROUP_SP_RPF: priority = 2; tc = 2; break; case MLXSW_REG_HTGT_TRAP_GROUP_SP_HOST_MISS: case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP: case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE: case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST: case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR: priority = 1; tc = 1; break; case MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT: priority = MLXSW_REG_HTGT_DEFAULT_PRIORITY; tc = MLXSW_REG_HTGT_DEFAULT_TC; policer_id = MLXSW_REG_HTGT_INVALID_POLICER; break; default: continue; } if (max_cpu_policers <= policer_id && policer_id != MLXSW_REG_HTGT_INVALID_POLICER) return -EIO; mlxsw_reg_htgt_pack(htgt_pl, i, policer_id, priority, tc); err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl); if (err) return err; } return 0; } static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp) { int i; int err; err = mlxsw_sp_cpu_policers_set(mlxsw_sp->core); if (err) return err; err = mlxsw_sp_trap_groups_set(mlxsw_sp->core); if (err) return err; for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener); i++) { err = mlxsw_core_trap_register(mlxsw_sp->core, &mlxsw_sp_listener[i], mlxsw_sp); if (err) goto err_listener_register; } return 0; err_listener_register: for (i--; i >= 0; i--) { mlxsw_core_trap_unregister(mlxsw_sp->core, &mlxsw_sp_listener[i], mlxsw_sp); } return err; } static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp) { int i; for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener); i++) { mlxsw_core_trap_unregister(mlxsw_sp->core, &mlxsw_sp_listener[i], mlxsw_sp); } } static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp) { char slcr_pl[MLXSW_REG_SLCR_LEN]; u32 seed; int err; get_random_bytes(&seed, sizeof(seed)); mlxsw_reg_slcr_pack(slcr_pl, MLXSW_REG_SLCR_LAG_HASH_SMAC | MLXSW_REG_SLCR_LAG_HASH_DMAC | MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE | MLXSW_REG_SLCR_LAG_HASH_VLANID | MLXSW_REG_SLCR_LAG_HASH_SIP | MLXSW_REG_SLCR_LAG_HASH_DIP | MLXSW_REG_SLCR_LAG_HASH_SPORT | MLXSW_REG_SLCR_LAG_HASH_DPORT | MLXSW_REG_SLCR_LAG_HASH_IPPROTO, seed); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcr), slcr_pl); if (err) return err; if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG) || !MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS)) return -EIO; mlxsw_sp->lags = kcalloc(MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG), sizeof(struct mlxsw_sp_upper), GFP_KERNEL); if (!mlxsw_sp->lags) return -ENOMEM; return 0; } static void mlxsw_sp_lag_fini(struct mlxsw_sp *mlxsw_sp) { kfree(mlxsw_sp->lags); } static int mlxsw_sp_basic_trap_groups_set(struct mlxsw_core *mlxsw_core) { char htgt_pl[MLXSW_REG_HTGT_LEN]; mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_EMAD, MLXSW_REG_HTGT_INVALID_POLICER, MLXSW_REG_HTGT_DEFAULT_PRIORITY, MLXSW_REG_HTGT_DEFAULT_TC); return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl); } static int mlxsw_sp_netdevice_event(struct notifier_block *unused, unsigned long event, void *ptr); static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); int err; mlxsw_sp->core = mlxsw_core; mlxsw_sp->bus_info = mlxsw_bus_info; err = mlxsw_sp_fw_rev_validate(mlxsw_sp); if (err) return err; err = mlxsw_sp_base_mac_get(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n"); return err; } err = mlxsw_sp_kvdl_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize KVDL\n"); return err; } err = mlxsw_sp_fids_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize FIDs\n"); goto err_fids_init; } err = mlxsw_sp_traps_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps\n"); goto err_traps_init; } err = mlxsw_sp_buffers_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize buffers\n"); goto err_buffers_init; } err = mlxsw_sp_lag_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize LAG\n"); goto err_lag_init; } /* Initialize SPAN before router and switchdev, so that those components * can call mlxsw_sp_span_respin(). */ err = mlxsw_sp_span_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to init span system\n"); goto err_span_init; } err = mlxsw_sp_switchdev_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize switchdev\n"); goto err_switchdev_init; } err = mlxsw_sp_counter_pool_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to init counter pool\n"); goto err_counter_pool_init; } err = mlxsw_sp_afa_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL actions\n"); goto err_afa_init; } err = mlxsw_sp_nve_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize NVE\n"); goto err_nve_init; } err = mlxsw_sp_acl_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL\n"); goto err_acl_init; } err = mlxsw_sp_router_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n"); goto err_router_init; } /* Initialize netdevice notifier after router and SPAN is initialized, * so that the event handler can use router structures and call SPAN * respin. */ mlxsw_sp->netdevice_nb.notifier_call = mlxsw_sp_netdevice_event; err = register_netdevice_notifier(&mlxsw_sp->netdevice_nb); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to register netdev notifier\n"); goto err_netdev_notifier; } err = mlxsw_sp_dpipe_init(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to init pipeline debug\n"); goto err_dpipe_init; } err = mlxsw_sp_ports_create(mlxsw_sp); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n"); goto err_ports_create; } return 0; err_ports_create: mlxsw_sp_dpipe_fini(mlxsw_sp); err_dpipe_init: unregister_netdevice_notifier(&mlxsw_sp->netdevice_nb); err_netdev_notifier: mlxsw_sp_router_fini(mlxsw_sp); err_router_init: mlxsw_sp_acl_fini(mlxsw_sp); err_acl_init: mlxsw_sp_nve_fini(mlxsw_sp); err_nve_init: mlxsw_sp_afa_fini(mlxsw_sp); err_afa_init: mlxsw_sp_counter_pool_fini(mlxsw_sp); err_counter_pool_init: mlxsw_sp_switchdev_fini(mlxsw_sp); err_switchdev_init: mlxsw_sp_span_fini(mlxsw_sp); err_span_init: mlxsw_sp_lag_fini(mlxsw_sp); err_lag_init: mlxsw_sp_buffers_fini(mlxsw_sp); err_buffers_init: mlxsw_sp_traps_fini(mlxsw_sp); err_traps_init: mlxsw_sp_fids_fini(mlxsw_sp); err_fids_init: mlxsw_sp_kvdl_fini(mlxsw_sp); return err; } static int mlxsw_sp1_init(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); mlxsw_sp->req_rev = &mlxsw_sp1_fw_rev; mlxsw_sp->fw_filename = MLXSW_SP1_FW_FILENAME; mlxsw_sp->kvdl_ops = &mlxsw_sp1_kvdl_ops; mlxsw_sp->afa_ops = &mlxsw_sp1_act_afa_ops; mlxsw_sp->afk_ops = &mlxsw_sp1_afk_ops; mlxsw_sp->mr_tcam_ops = &mlxsw_sp1_mr_tcam_ops; mlxsw_sp->acl_tcam_ops = &mlxsw_sp1_acl_tcam_ops; mlxsw_sp->nve_ops_arr = mlxsw_sp1_nve_ops_arr; mlxsw_sp->mac_mask = mlxsw_sp1_mac_mask; return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info); } static int mlxsw_sp2_init(struct mlxsw_core *mlxsw_core, const struct mlxsw_bus_info *mlxsw_bus_info) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops; mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops; mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops; mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops; mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops; mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr; mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask; return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info); } static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core) { struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); mlxsw_sp_ports_remove(mlxsw_sp); mlxsw_sp_dpipe_fini(mlxsw_sp); unregister_netdevice_notifier(&mlxsw_sp->netdevice_nb); mlxsw_sp_router_fini(mlxsw_sp); mlxsw_sp_acl_fini(mlxsw_sp); mlxsw_sp_nve_fini(mlxsw_sp); mlxsw_sp_afa_fini(mlxsw_sp); mlxsw_sp_counter_pool_fini(mlxsw_sp); mlxsw_sp_switchdev_fini(mlxsw_sp); mlxsw_sp_span_fini(mlxsw_sp); mlxsw_sp_lag_fini(mlxsw_sp); mlxsw_sp_buffers_fini(mlxsw_sp); mlxsw_sp_traps_fini(mlxsw_sp); mlxsw_sp_fids_fini(mlxsw_sp); mlxsw_sp_kvdl_fini(mlxsw_sp); } /* Per-FID flood tables are used for both "true" 802.1D FIDs and emulated * 802.1Q FIDs */ #define MLXSW_SP_FID_FLOOD_TABLE_SIZE (MLXSW_SP_FID_8021D_MAX + \ VLAN_VID_MASK - 1) static const struct mlxsw_config_profile mlxsw_sp1_config_profile = { .used_max_mid = 1, .max_mid = MLXSW_SP_MID_MAX, .used_flood_tables = 1, .used_flood_mode = 1, .flood_mode = 3, .max_fid_flood_tables = 3, .fid_flood_table_size = MLXSW_SP_FID_FLOOD_TABLE_SIZE, .used_max_ib_mc = 1, .max_ib_mc = 0, .used_max_pkey = 1, .max_pkey = 0, .used_kvd_sizes = 1, .kvd_hash_single_parts = 59, .kvd_hash_double_parts = 41, .kvd_linear_size = MLXSW_SP_KVD_LINEAR_SIZE, .swid_config = { { .used_type = 1, .type = MLXSW_PORT_SWID_TYPE_ETH, } }, }; static const struct mlxsw_config_profile mlxsw_sp2_config_profile = { .used_max_mid = 1, .max_mid = MLXSW_SP_MID_MAX, .used_flood_tables = 1, .used_flood_mode = 1, .flood_mode = 3, .max_fid_flood_tables = 3, .fid_flood_table_size = MLXSW_SP_FID_FLOOD_TABLE_SIZE, .used_max_ib_mc = 1, .max_ib_mc = 0, .used_max_pkey = 1, .max_pkey = 0, .swid_config = { { .used_type = 1, .type = MLXSW_PORT_SWID_TYPE_ETH, } }, }; static void mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core, struct devlink_resource_size_params *kvd_size_params, struct devlink_resource_size_params *linear_size_params, struct devlink_resource_size_params *hash_double_size_params, struct devlink_resource_size_params *hash_single_size_params) { u32 single_size_min = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SINGLE_MIN_SIZE); u32 double_size_min = MLXSW_CORE_RES_GET(mlxsw_core, KVD_DOUBLE_MIN_SIZE); u32 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); u32 linear_size_min = 0; devlink_resource_size_params_init(kvd_size_params, kvd_size, kvd_size, MLXSW_SP_KVD_GRANULARITY, DEVLINK_RESOURCE_UNIT_ENTRY); devlink_resource_size_params_init(linear_size_params, linear_size_min, kvd_size - single_size_min - double_size_min, MLXSW_SP_KVD_GRANULARITY, DEVLINK_RESOURCE_UNIT_ENTRY); devlink_resource_size_params_init(hash_double_size_params, double_size_min, kvd_size - single_size_min - linear_size_min, MLXSW_SP_KVD_GRANULARITY, DEVLINK_RESOURCE_UNIT_ENTRY); devlink_resource_size_params_init(hash_single_size_params, single_size_min, kvd_size - double_size_min - linear_size_min, MLXSW_SP_KVD_GRANULARITY, DEVLINK_RESOURCE_UNIT_ENTRY); } static int mlxsw_sp1_resources_kvd_register(struct mlxsw_core *mlxsw_core) { struct devlink *devlink = priv_to_devlink(mlxsw_core); struct devlink_resource_size_params hash_single_size_params; struct devlink_resource_size_params hash_double_size_params; struct devlink_resource_size_params linear_size_params; struct devlink_resource_size_params kvd_size_params; u32 kvd_size, single_size, double_size, linear_size; const struct mlxsw_config_profile *profile; int err; profile = &mlxsw_sp1_config_profile; if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE)) return -EIO; mlxsw_sp_resource_size_params_prepare(mlxsw_core, &kvd_size_params, &linear_size_params, &hash_double_size_params, &hash_single_size_params); kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE); err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD, kvd_size, MLXSW_SP_RESOURCE_KVD, DEVLINK_RESOURCE_ID_PARENT_TOP, &kvd_size_params); if (err) return err; linear_size = profile->kvd_linear_size; err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_LINEAR, linear_size, MLXSW_SP_RESOURCE_KVD_LINEAR, MLXSW_SP_RESOURCE_KVD, &linear_size_params); if (err) return err; err = mlxsw_sp1_kvdl_resources_register(mlxsw_core); if (err) return err; double_size = kvd_size - linear_size; double_size *= profile->kvd_hash_double_parts; double_size /= profile->kvd_hash_double_parts + profile->kvd_hash_single_parts; double_size = rounddown(double_size, MLXSW_SP_KVD_GRANULARITY); err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_DOUBLE, double_size, MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE, MLXSW_SP_RESOURCE_KVD, &hash_double_size_params); if (err) return err; single_size = kvd_size - double_size - linear_size; err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_SINGLE, single_size, MLXSW_SP_RESOURCE_KVD_HASH_SINGLE, MLXSW_SP_RESOURCE_KVD, &hash_single_size_params); if (err) return err; return 0; } static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core) { return mlxsw_sp1_resources_kvd_register(mlxsw_core); } static int mlxsw_sp2_resources_register(struct mlxsw_core *mlxsw_core) { return 0; } static int mlxsw_sp_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) { struct devlink *devlink = priv_to_devlink(mlxsw_core); u32 double_size; int err; if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SINGLE_MIN_SIZE) || !MLXSW_CORE_RES_VALID(mlxsw_core, KVD_DOUBLE_MIN_SIZE)) return -EIO; /* The hash part is what left of the kvd without the * linear part. It is split to the single size and * double size by the parts ratio from the profile. * Both sizes must be a multiplications of the * granularity from the profile. In case the user * provided the sizes they are obtained via devlink. */ err = devlink_resource_size_get(devlink, MLXSW_SP_RESOURCE_KVD_LINEAR, p_linear_size); if (err) *p_linear_size = profile->kvd_linear_size; err = devlink_resource_size_get(devlink, MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE, p_double_size); if (err) { double_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) - *p_linear_size; double_size *= profile->kvd_hash_double_parts; double_size /= profile->kvd_hash_double_parts + profile->kvd_hash_single_parts; *p_double_size = rounddown(double_size, MLXSW_SP_KVD_GRANULARITY); } err = devlink_resource_size_get(devlink, MLXSW_SP_RESOURCE_KVD_HASH_SINGLE, p_single_size); if (err) *p_single_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) - *p_double_size - *p_linear_size; /* Check results are legal. */ if (*p_single_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_SINGLE_MIN_SIZE) || *p_double_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_DOUBLE_MIN_SIZE) || MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) < *p_linear_size) return -EIO; return 0; } static int mlxsw_sp_devlink_param_fw_load_policy_validate(struct devlink *devlink, u32 id, union devlink_param_value val, struct netlink_ext_ack *extack) { if ((val.vu8 != DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER) && (val.vu8 != DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH)) { NL_SET_ERR_MSG_MOD(extack, "'fw_load_policy' must be 'driver' or 'flash'"); return -EINVAL; } return 0; } static const struct devlink_param mlxsw_sp_devlink_params[] = { DEVLINK_PARAM_GENERIC(FW_LOAD_POLICY, BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), NULL, NULL, mlxsw_sp_devlink_param_fw_load_policy_validate), }; static int mlxsw_sp_params_register(struct mlxsw_core *mlxsw_core) { struct devlink *devlink = priv_to_devlink(mlxsw_core); union devlink_param_value value; int err; err = devlink_params_register(devlink, mlxsw_sp_devlink_params, ARRAY_SIZE(mlxsw_sp_devlink_params)); if (err) return err; value.vu8 = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER; devlink_param_driverinit_value_set(devlink, DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, value); return 0; } static void mlxsw_sp_params_unregister(struct mlxsw_core *mlxsw_core) { devlink_params_unregister(priv_to_devlink(mlxsw_core), mlxsw_sp_devlink_params, ARRAY_SIZE(mlxsw_sp_devlink_params)); } static struct mlxsw_driver mlxsw_sp1_driver = { .kind = mlxsw_sp1_driver_name, .priv_size = sizeof(struct mlxsw_sp), .init = mlxsw_sp1_init, .fini = mlxsw_sp_fini, .basic_trap_groups_set = mlxsw_sp_basic_trap_groups_set, .port_split = mlxsw_sp_port_split, .port_unsplit = mlxsw_sp_port_unsplit, .sb_pool_get = mlxsw_sp_sb_pool_get, .sb_pool_set = mlxsw_sp_sb_pool_set, .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, .txhdr_construct = mlxsw_sp_txhdr_construct, .resources_register = mlxsw_sp1_resources_register, .kvd_sizes_get = mlxsw_sp_kvd_sizes_get, .params_register = mlxsw_sp_params_register, .params_unregister = mlxsw_sp_params_unregister, .txhdr_len = MLXSW_TXHDR_LEN, .profile = &mlxsw_sp1_config_profile, .res_query_enabled = true, }; static struct mlxsw_driver mlxsw_sp2_driver = { .kind = mlxsw_sp2_driver_name, .priv_size = sizeof(struct mlxsw_sp), .init = mlxsw_sp2_init, .fini = mlxsw_sp_fini, .basic_trap_groups_set = mlxsw_sp_basic_trap_groups_set, .port_split = mlxsw_sp_port_split, .port_unsplit = mlxsw_sp_port_unsplit, .sb_pool_get = mlxsw_sp_sb_pool_get, .sb_pool_set = mlxsw_sp_sb_pool_set, .sb_port_pool_get = mlxsw_sp_sb_port_pool_get, .sb_port_pool_set = mlxsw_sp_sb_port_pool_set, .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get, .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set, .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot, .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear, .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get, .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get, .txhdr_construct = mlxsw_sp_txhdr_construct, .resources_register = mlxsw_sp2_resources_register, .params_register = mlxsw_sp_params_register, .params_unregister = mlxsw_sp_params_unregister, .txhdr_len = MLXSW_TXHDR_LEN, .profile = &mlxsw_sp2_config_profile, .res_query_enabled = true, }; bool mlxsw_sp_port_dev_check(const struct net_device *dev) { return dev->netdev_ops == &mlxsw_sp_port_netdev_ops; } static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, void *data) { struct mlxsw_sp_port **p_mlxsw_sp_port = data; int ret = 0; if (mlxsw_sp_port_dev_check(lower_dev)) { *p_mlxsw_sp_port = netdev_priv(lower_dev); ret = 1; } return ret; } struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port; if (mlxsw_sp_port_dev_check(dev)) return netdev_priv(dev); mlxsw_sp_port = NULL; netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &mlxsw_sp_port); return mlxsw_sp_port; } struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port; mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev); return mlxsw_sp_port ? mlxsw_sp_port->mlxsw_sp : NULL; } struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port; if (mlxsw_sp_port_dev_check(dev)) return netdev_priv(dev); mlxsw_sp_port = NULL; netdev_walk_all_lower_dev_rcu(dev, mlxsw_sp_lower_dev_walk, &mlxsw_sp_port); return mlxsw_sp_port; } struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev) { struct mlxsw_sp_port *mlxsw_sp_port; rcu_read_lock(); mlxsw_sp_port = mlxsw_sp_port_dev_lower_find_rcu(dev); if (mlxsw_sp_port) dev_hold(mlxsw_sp_port->dev); rcu_read_unlock(); return mlxsw_sp_port; } void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port) { dev_put(mlxsw_sp_port->dev); } static void mlxsw_sp_port_lag_uppers_cleanup(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *lag_dev) { struct net_device *br_dev = netdev_master_upper_dev_get(lag_dev); struct net_device *upper_dev; struct list_head *iter; if (netif_is_bridge_port(lag_dev)) mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, br_dev); netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) { if (!netif_is_bridge_port(upper_dev)) continue; br_dev = netdev_master_upper_dev_get(upper_dev); mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, br_dev); } } static int mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, u16 lag_id) { char sldr_pl[MLXSW_REG_SLDR_LEN]; mlxsw_reg_sldr_lag_create_pack(sldr_pl, lag_id); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); } static int mlxsw_sp_lag_destroy(struct mlxsw_sp *mlxsw_sp, u16 lag_id) { char sldr_pl[MLXSW_REG_SLDR_LEN]; mlxsw_reg_sldr_lag_destroy_pack(sldr_pl, lag_id); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); } static int mlxsw_sp_lag_col_port_add(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id, u8 port_index) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char slcor_pl[MLXSW_REG_SLCOR_LEN]; mlxsw_reg_slcor_port_add_pack(slcor_pl, mlxsw_sp_port->local_port, lag_id, port_index); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); } static int mlxsw_sp_lag_col_port_remove(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char slcor_pl[MLXSW_REG_SLCOR_LEN]; mlxsw_reg_slcor_port_remove_pack(slcor_pl, mlxsw_sp_port->local_port, lag_id); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); } static int mlxsw_sp_lag_col_port_enable(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char slcor_pl[MLXSW_REG_SLCOR_LEN]; mlxsw_reg_slcor_col_enable_pack(slcor_pl, mlxsw_sp_port->local_port, lag_id); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); } static int mlxsw_sp_lag_col_port_disable(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char slcor_pl[MLXSW_REG_SLCOR_LEN]; mlxsw_reg_slcor_col_disable_pack(slcor_pl, mlxsw_sp_port->local_port, lag_id); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl); } static int mlxsw_sp_lag_index_get(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev, u16 *p_lag_id) { struct mlxsw_sp_upper *lag; int free_lag_id = -1; u64 max_lag; int i; max_lag = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG); for (i = 0; i < max_lag; i++) { lag = mlxsw_sp_lag_get(mlxsw_sp, i); if (lag->ref_count) { if (lag->dev == lag_dev) { *p_lag_id = i; return 0; } } else if (free_lag_id < 0) { free_lag_id = i; } } if (free_lag_id < 0) return -EBUSY; *p_lag_id = free_lag_id; return 0; } static bool mlxsw_sp_master_lag_check(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev, struct netdev_lag_upper_info *lag_upper_info, struct netlink_ext_ack *extack) { u16 lag_id; if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) { NL_SET_ERR_MSG_MOD(extack, "Exceeded number of supported LAG devices"); return false; } if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) { NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type"); return false; } return true; } static int mlxsw_sp_port_lag_index_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id, u8 *p_port_index) { u64 max_lag_members; int i; max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG_MEMBERS); for (i = 0; i < max_lag_members; i++) { if (!mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i)) { *p_port_index = i; return 0; } } return -EBUSY; } static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *lag_dev) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_upper *lag; u16 lag_id; u8 port_index; int err; err = mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id); if (err) return err; lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); if (!lag->ref_count) { err = mlxsw_sp_lag_create(mlxsw_sp, lag_id); if (err) return err; lag->dev = lag_dev; } err = mlxsw_sp_port_lag_index_get(mlxsw_sp, lag_id, &port_index); if (err) return err; err = mlxsw_sp_lag_col_port_add(mlxsw_sp_port, lag_id, port_index); if (err) goto err_col_port_add; err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port, lag_id); if (err) goto err_col_port_enable; mlxsw_core_lag_mapping_set(mlxsw_sp->core, lag_id, port_index, mlxsw_sp_port->local_port); mlxsw_sp_port->lag_id = lag_id; mlxsw_sp_port->lagged = 1; lag->ref_count++; /* Port is no longer usable as a router interface */ if (mlxsw_sp_port->default_vlan->fid) mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port->default_vlan); return 0; err_col_port_enable: mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); err_col_port_add: if (!lag->ref_count) mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); return err; } static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *lag_dev) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; u16 lag_id = mlxsw_sp_port->lag_id; struct mlxsw_sp_upper *lag; if (!mlxsw_sp_port->lagged) return; lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id); WARN_ON(lag->ref_count == 0); mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, lag_id); mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id); /* Any VLANs configured on the port are no longer valid */ mlxsw_sp_port_vlan_flush(mlxsw_sp_port, false); mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port->default_vlan); /* Make the LAG and its directly linked uppers leave bridges they * are memeber in */ mlxsw_sp_port_lag_uppers_cleanup(mlxsw_sp_port, lag_dev); if (lag->ref_count == 1) mlxsw_sp_lag_destroy(mlxsw_sp, lag_id); mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id, mlxsw_sp_port->local_port); mlxsw_sp_port->lagged = 0; lag->ref_count--; /* Make sure untagged frames are allowed to ingress */ mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID); } static int mlxsw_sp_lag_dist_port_add(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char sldr_pl[MLXSW_REG_SLDR_LEN]; mlxsw_reg_sldr_lag_add_port_pack(sldr_pl, lag_id, mlxsw_sp_port->local_port); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); } static int mlxsw_sp_lag_dist_port_remove(struct mlxsw_sp_port *mlxsw_sp_port, u16 lag_id) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char sldr_pl[MLXSW_REG_SLDR_LEN]; mlxsw_reg_sldr_lag_remove_port_pack(sldr_pl, lag_id, mlxsw_sp_port->local_port); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl); } static int mlxsw_sp_port_lag_tx_en_set(struct mlxsw_sp_port *mlxsw_sp_port, bool lag_tx_enabled) { if (lag_tx_enabled) return mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id); else return mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port, mlxsw_sp_port->lag_id); } static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port, struct netdev_lag_lower_state_info *info) { return mlxsw_sp_port_lag_tx_en_set(mlxsw_sp_port, info->tx_enabled); } static int mlxsw_sp_port_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; enum mlxsw_reg_spms_state spms_state; char *spms_pl; u16 vid; int err; spms_state = enable ? MLXSW_REG_SPMS_STATE_FORWARDING : MLXSW_REG_SPMS_STATE_DISCARDING; spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL); if (!spms_pl) return -ENOMEM; mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port); for (vid = 0; vid < VLAN_N_VID; vid++) mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl); kfree(spms_pl); return err; } static int mlxsw_sp_port_ovs_join(struct mlxsw_sp_port *mlxsw_sp_port) { u16 vid = 1; int err; err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true); if (err) return err; err = mlxsw_sp_port_stp_set(mlxsw_sp_port, true); if (err) goto err_port_stp_set; err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2, true, false); if (err) goto err_port_vlan_set; for (; vid <= VLAN_N_VID - 1; vid++) { err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, false); if (err) goto err_vid_learning_set; } return 0; err_vid_learning_set: for (vid--; vid >= 1; vid--) mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, true); err_port_vlan_set: mlxsw_sp_port_stp_set(mlxsw_sp_port, false); err_port_stp_set: mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false); return err; } static void mlxsw_sp_port_ovs_leave(struct mlxsw_sp_port *mlxsw_sp_port) { u16 vid; for (vid = VLAN_N_VID - 1; vid >= 1; vid--) mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, true); mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2, false, false); mlxsw_sp_port_stp_set(mlxsw_sp_port, false); mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false); } static bool mlxsw_sp_bridge_has_multiple_vxlans(struct net_device *br_dev) { unsigned int num_vxlans = 0; struct net_device *dev; struct list_head *iter; netdev_for_each_lower_dev(br_dev, dev, iter) { if (netif_is_vxlan(dev)) num_vxlans++; } return num_vxlans > 1; } static bool mlxsw_sp_bridge_vxlan_vlan_is_valid(struct net_device *br_dev) { DECLARE_BITMAP(vlans, VLAN_N_VID) = {0}; struct net_device *dev; struct list_head *iter; netdev_for_each_lower_dev(br_dev, dev, iter) { u16 pvid; int err; if (!netif_is_vxlan(dev)) continue; err = mlxsw_sp_vxlan_mapped_vid(dev, &pvid); if (err || !pvid) continue; if (test_and_set_bit(pvid, vlans)) return false; } return true; } static bool mlxsw_sp_bridge_vxlan_is_valid(struct net_device *br_dev, struct netlink_ext_ack *extack) { if (br_multicast_enabled(br_dev)) { NL_SET_ERR_MSG_MOD(extack, "Multicast can not be enabled on a bridge with a VxLAN device"); return false; } if (!br_vlan_enabled(br_dev) && mlxsw_sp_bridge_has_multiple_vxlans(br_dev)) { NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices are not supported in a VLAN-unaware bridge"); return false; } if (br_vlan_enabled(br_dev) && !mlxsw_sp_bridge_vxlan_vlan_is_valid(br_dev)) { NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices cannot have the same VLAN as PVID and egress untagged"); return false; } return true; } static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, struct net_device *dev, unsigned long event, void *ptr) { struct netdev_notifier_changeupper_info *info; struct mlxsw_sp_port *mlxsw_sp_port; struct netlink_ext_ack *extack; struct net_device *upper_dev; struct mlxsw_sp *mlxsw_sp; int err = 0; mlxsw_sp_port = netdev_priv(dev); mlxsw_sp = mlxsw_sp_port->mlxsw_sp; info = ptr; extack = netdev_notifier_info_to_extack(&info->info); switch (event) { case NETDEV_PRECHANGEUPPER: upper_dev = info->upper_dev; if (!is_vlan_dev(upper_dev) && !netif_is_lag_master(upper_dev) && !netif_is_bridge_master(upper_dev) && !netif_is_ovs_master(upper_dev) && !netif_is_macvlan(upper_dev)) { NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EINVAL; } if (!info->linking) break; if (netif_is_bridge_master(upper_dev) && !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) && mlxsw_sp_bridge_has_vxlan(upper_dev) && !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) return -EOPNOTSUPP; if (netdev_has_any_upper_dev(upper_dev) && (!netif_is_bridge_master(upper_dev) || !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev))) { NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported"); return -EINVAL; } if (netif_is_lag_master(upper_dev) && !mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev, info->upper_info, extack)) return -EINVAL; if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) { NL_SET_ERR_MSG_MOD(extack, "Master device is a LAG master and this device has a VLAN"); return -EINVAL; } if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) && !netif_is_lag_master(vlan_dev_real_dev(upper_dev))) { NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on a LAG port"); return -EINVAL; } if (netif_is_macvlan(upper_dev) && !mlxsw_sp_rif_find_by_dev(mlxsw_sp, lower_dev)) { NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces"); return -EOPNOTSUPP; } if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) { NL_SET_ERR_MSG_MOD(extack, "Master device is an OVS master and this device has a VLAN"); return -EINVAL; } if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) { NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on an OVS port"); return -EINVAL; } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; if (netif_is_bridge_master(upper_dev)) { if (info->linking) err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, lower_dev, upper_dev, extack); else mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lower_dev, upper_dev); } else if (netif_is_lag_master(upper_dev)) { if (info->linking) { err = mlxsw_sp_port_lag_join(mlxsw_sp_port, upper_dev); } else { mlxsw_sp_port_lag_tx_en_set(mlxsw_sp_port, false); mlxsw_sp_port_lag_leave(mlxsw_sp_port, upper_dev); } } else if (netif_is_ovs_master(upper_dev)) { if (info->linking) err = mlxsw_sp_port_ovs_join(mlxsw_sp_port); else mlxsw_sp_port_ovs_leave(mlxsw_sp_port); } else if (netif_is_macvlan(upper_dev)) { if (!info->linking) mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); } else if (is_vlan_dev(upper_dev)) { struct net_device *br_dev; if (!netif_is_bridge_port(upper_dev)) break; if (info->linking) break; br_dev = netdev_master_upper_dev_get(upper_dev); mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, br_dev); } break; } return err; } static int mlxsw_sp_netdevice_port_lower_event(struct net_device *dev, unsigned long event, void *ptr) { struct netdev_notifier_changelowerstate_info *info; struct mlxsw_sp_port *mlxsw_sp_port; int err; mlxsw_sp_port = netdev_priv(dev); info = ptr; switch (event) { case NETDEV_CHANGELOWERSTATE: if (netif_is_lag_port(dev) && mlxsw_sp_port->lagged) { err = mlxsw_sp_port_lag_changed(mlxsw_sp_port, info->lower_state_info); if (err) netdev_err(dev, "Failed to reflect link aggregation lower state change\n"); } break; } return 0; } static int mlxsw_sp_netdevice_port_event(struct net_device *lower_dev, struct net_device *port_dev, unsigned long event, void *ptr) { switch (event) { case NETDEV_PRECHANGEUPPER: case NETDEV_CHANGEUPPER: return mlxsw_sp_netdevice_port_upper_event(lower_dev, port_dev, event, ptr); case NETDEV_CHANGELOWERSTATE: return mlxsw_sp_netdevice_port_lower_event(port_dev, event, ptr); } return 0; } static int mlxsw_sp_netdevice_lag_event(struct net_device *lag_dev, unsigned long event, void *ptr) { struct net_device *dev; struct list_head *iter; int ret; netdev_for_each_lower_dev(lag_dev, dev, iter) { if (mlxsw_sp_port_dev_check(dev)) { ret = mlxsw_sp_netdevice_port_event(lag_dev, dev, event, ptr); if (ret) return ret; } } return 0; } static int mlxsw_sp_netdevice_port_vlan_event(struct net_device *vlan_dev, struct net_device *dev, unsigned long event, void *ptr, u16 vid) { struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct netdev_notifier_changeupper_info *info = ptr; struct netlink_ext_ack *extack; struct net_device *upper_dev; int err = 0; extack = netdev_notifier_info_to_extack(&info->info); switch (event) { case NETDEV_PRECHANGEUPPER: upper_dev = info->upper_dev; if (!netif_is_bridge_master(upper_dev) && !netif_is_macvlan(upper_dev)) { NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EINVAL; } if (!info->linking) break; if (netif_is_bridge_master(upper_dev) && !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) && mlxsw_sp_bridge_has_vxlan(upper_dev) && !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) return -EOPNOTSUPP; if (netdev_has_any_upper_dev(upper_dev) && (!netif_is_bridge_master(upper_dev) || !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev))) { NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported"); return -EINVAL; } if (netif_is_macvlan(upper_dev) && !mlxsw_sp_rif_find_by_dev(mlxsw_sp, vlan_dev)) { NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces"); return -EOPNOTSUPP; } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; if (netif_is_bridge_master(upper_dev)) { if (info->linking) err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, vlan_dev, upper_dev, extack); else mlxsw_sp_port_bridge_leave(mlxsw_sp_port, vlan_dev, upper_dev); } else if (netif_is_macvlan(upper_dev)) { if (!info->linking) mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); } else { err = -EINVAL; WARN_ON(1); } break; } return err; } static int mlxsw_sp_netdevice_lag_port_vlan_event(struct net_device *vlan_dev, struct net_device *lag_dev, unsigned long event, void *ptr, u16 vid) { struct net_device *dev; struct list_head *iter; int ret; netdev_for_each_lower_dev(lag_dev, dev, iter) { if (mlxsw_sp_port_dev_check(dev)) { ret = mlxsw_sp_netdevice_port_vlan_event(vlan_dev, dev, event, ptr, vid); if (ret) return ret; } } return 0; } static int mlxsw_sp_netdevice_bridge_vlan_event(struct net_device *vlan_dev, struct net_device *br_dev, unsigned long event, void *ptr, u16 vid) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(vlan_dev); struct netdev_notifier_changeupper_info *info = ptr; struct netlink_ext_ack *extack; struct net_device *upper_dev; if (!mlxsw_sp) return 0; extack = netdev_notifier_info_to_extack(&info->info); switch (event) { case NETDEV_PRECHANGEUPPER: upper_dev = info->upper_dev; if (!netif_is_macvlan(upper_dev)) { NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EOPNOTSUPP; } if (!info->linking) break; if (netif_is_macvlan(upper_dev) && !mlxsw_sp_rif_find_by_dev(mlxsw_sp, vlan_dev)) { NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces"); return -EOPNOTSUPP; } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; if (info->linking) break; if (netif_is_macvlan(upper_dev)) mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); break; } return 0; } static int mlxsw_sp_netdevice_vlan_event(struct net_device *vlan_dev, unsigned long event, void *ptr) { struct net_device *real_dev = vlan_dev_real_dev(vlan_dev); u16 vid = vlan_dev_vlan_id(vlan_dev); if (mlxsw_sp_port_dev_check(real_dev)) return mlxsw_sp_netdevice_port_vlan_event(vlan_dev, real_dev, event, ptr, vid); else if (netif_is_lag_master(real_dev)) return mlxsw_sp_netdevice_lag_port_vlan_event(vlan_dev, real_dev, event, ptr, vid); else if (netif_is_bridge_master(real_dev)) return mlxsw_sp_netdevice_bridge_vlan_event(vlan_dev, real_dev, event, ptr, vid); return 0; } static int mlxsw_sp_netdevice_bridge_event(struct net_device *br_dev, unsigned long event, void *ptr) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(br_dev); struct netdev_notifier_changeupper_info *info = ptr; struct netlink_ext_ack *extack; struct net_device *upper_dev; if (!mlxsw_sp) return 0; extack = netdev_notifier_info_to_extack(&info->info); switch (event) { case NETDEV_PRECHANGEUPPER: upper_dev = info->upper_dev; if (!is_vlan_dev(upper_dev) && !netif_is_macvlan(upper_dev)) { NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EOPNOTSUPP; } if (!info->linking) break; if (netif_is_macvlan(upper_dev) && !mlxsw_sp_rif_find_by_dev(mlxsw_sp, br_dev)) { NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces"); return -EOPNOTSUPP; } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; if (info->linking) break; if (is_vlan_dev(upper_dev)) mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, upper_dev); if (netif_is_macvlan(upper_dev)) mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev); break; } return 0; } static int mlxsw_sp_netdevice_macvlan_event(struct net_device *macvlan_dev, unsigned long event, void *ptr) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(macvlan_dev); struct netdev_notifier_changeupper_info *info = ptr; struct netlink_ext_ack *extack; if (!mlxsw_sp || event != NETDEV_PRECHANGEUPPER) return 0; extack = netdev_notifier_info_to_extack(&info->info); /* VRF enslavement is handled in mlxsw_sp_netdevice_vrf_event() */ NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type"); return -EOPNOTSUPP; } static bool mlxsw_sp_is_vrf_event(unsigned long event, void *ptr) { struct netdev_notifier_changeupper_info *info = ptr; if (event != NETDEV_PRECHANGEUPPER && event != NETDEV_CHANGEUPPER) return false; return netif_is_l3_master(info->upper_dev); } static int mlxsw_sp_netdevice_vxlan_event(struct mlxsw_sp *mlxsw_sp, struct net_device *dev, unsigned long event, void *ptr) { struct netdev_notifier_changeupper_info *cu_info; struct netdev_notifier_info *info = ptr; struct netlink_ext_ack *extack; struct net_device *upper_dev; extack = netdev_notifier_info_to_extack(info); switch (event) { case NETDEV_CHANGEUPPER: cu_info = container_of(info, struct netdev_notifier_changeupper_info, info); upper_dev = cu_info->upper_dev; if (!netif_is_bridge_master(upper_dev)) return 0; if (!mlxsw_sp_lower_get(upper_dev)) return 0; if (!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack)) return -EOPNOTSUPP; if (cu_info->linking) { if (!netif_running(dev)) return 0; /* When the bridge is VLAN-aware, the VNI of the VxLAN * device needs to be mapped to a VLAN, but at this * point no VLANs are configured on the VxLAN device */ if (br_vlan_enabled(upper_dev)) return 0; return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, dev, 0, extack); } else { /* VLANs were already flushed, which triggered the * necessary cleanup */ if (br_vlan_enabled(upper_dev)) return 0; mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev); } break; case NETDEV_PRE_UP: upper_dev = netdev_master_upper_dev_get(dev); if (!upper_dev) return 0; if (!netif_is_bridge_master(upper_dev)) return 0; if (!mlxsw_sp_lower_get(upper_dev)) return 0; return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, dev, 0, extack); case NETDEV_DOWN: upper_dev = netdev_master_upper_dev_get(dev); if (!upper_dev) return 0; if (!netif_is_bridge_master(upper_dev)) return 0; if (!mlxsw_sp_lower_get(upper_dev)) return 0; mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev); break; } return 0; } static int mlxsw_sp_netdevice_event(struct notifier_block *nb, unsigned long event, void *ptr) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); struct mlxsw_sp_span_entry *span_entry; struct mlxsw_sp *mlxsw_sp; int err = 0; mlxsw_sp = container_of(nb, struct mlxsw_sp, netdevice_nb); if (event == NETDEV_UNREGISTER) { span_entry = mlxsw_sp_span_entry_find_by_port(mlxsw_sp, dev); if (span_entry) mlxsw_sp_span_entry_invalidate(mlxsw_sp, span_entry); } mlxsw_sp_span_respin(mlxsw_sp); if (netif_is_vxlan(dev)) err = mlxsw_sp_netdevice_vxlan_event(mlxsw_sp, dev, event, ptr); if (mlxsw_sp_netdev_is_ipip_ol(mlxsw_sp, dev)) err = mlxsw_sp_netdevice_ipip_ol_event(mlxsw_sp, dev, event, ptr); else if (mlxsw_sp_netdev_is_ipip_ul(mlxsw_sp, dev)) err = mlxsw_sp_netdevice_ipip_ul_event(mlxsw_sp, dev, event, ptr); else if (event == NETDEV_PRE_CHANGEADDR || event == NETDEV_CHANGEADDR || event == NETDEV_CHANGEMTU) err = mlxsw_sp_netdevice_router_port_event(dev, event, ptr); else if (mlxsw_sp_is_vrf_event(event, ptr)) err = mlxsw_sp_netdevice_vrf_event(dev, event, ptr); else if (mlxsw_sp_port_dev_check(dev)) err = mlxsw_sp_netdevice_port_event(dev, dev, event, ptr); else if (netif_is_lag_master(dev)) err = mlxsw_sp_netdevice_lag_event(dev, event, ptr); else if (is_vlan_dev(dev)) err = mlxsw_sp_netdevice_vlan_event(dev, event, ptr); else if (netif_is_bridge_master(dev)) err = mlxsw_sp_netdevice_bridge_event(dev, event, ptr); else if (netif_is_macvlan(dev)) err = mlxsw_sp_netdevice_macvlan_event(dev, event, ptr); return notifier_from_errno(err); } static struct notifier_block mlxsw_sp_inetaddr_valid_nb __read_mostly = { .notifier_call = mlxsw_sp_inetaddr_valid_event, }; static struct notifier_block mlxsw_sp_inet6addr_valid_nb __read_mostly = { .notifier_call = mlxsw_sp_inet6addr_valid_event, }; static const struct pci_device_id mlxsw_sp1_pci_id_table[] = { {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0}, {0, }, }; static struct pci_driver mlxsw_sp1_pci_driver = { .name = mlxsw_sp1_driver_name, .id_table = mlxsw_sp1_pci_id_table, }; static const struct pci_device_id mlxsw_sp2_pci_id_table[] = { {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM2), 0}, {0, }, }; static struct pci_driver mlxsw_sp2_pci_driver = { .name = mlxsw_sp2_driver_name, .id_table = mlxsw_sp2_pci_id_table, }; static int __init mlxsw_sp_module_init(void) { int err; register_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb); register_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb); err = mlxsw_core_driver_register(&mlxsw_sp1_driver); if (err) goto err_sp1_core_driver_register; err = mlxsw_core_driver_register(&mlxsw_sp2_driver); if (err) goto err_sp2_core_driver_register; err = mlxsw_pci_driver_register(&mlxsw_sp1_pci_driver); if (err) goto err_sp1_pci_driver_register; err = mlxsw_pci_driver_register(&mlxsw_sp2_pci_driver); if (err) goto err_sp2_pci_driver_register; return 0; err_sp2_pci_driver_register: mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver); err_sp1_pci_driver_register: mlxsw_core_driver_unregister(&mlxsw_sp2_driver); err_sp2_core_driver_register: mlxsw_core_driver_unregister(&mlxsw_sp1_driver); err_sp1_core_driver_register: unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb); unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb); return err; } static void __exit mlxsw_sp_module_exit(void) { mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver); mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver); mlxsw_core_driver_unregister(&mlxsw_sp2_driver); mlxsw_core_driver_unregister(&mlxsw_sp1_driver); unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb); unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb); } module_init(mlxsw_sp_module_init); module_exit(mlxsw_sp_module_exit); MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>"); MODULE_DESCRIPTION("Mellanox Spectrum driver"); MODULE_DEVICE_TABLE(pci, mlxsw_sp1_pci_id_table); MODULE_DEVICE_TABLE(pci, mlxsw_sp2_pci_id_table); MODULE_FIRMWARE(MLXSW_SP1_FW_FILENAME);
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