blob: 9eb63300c1d3a712d6377ea2835c5d64f2b32678 [file] [log] [blame]
// 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 "core_env.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];
u32 taken_headroom_cells = 0;
u32 max_headroom_cells;
int i, j, err;
max_headroom_cells = mlxsw_sp_sb_max_headroom_cells(mlxsw_sp);
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;
u16 total_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);
total_cells = thres_cells + delay_cells;
taken_headroom_cells += total_cells;
if (taken_headroom_cells > max_headroom_cells)
return -ENOBUFS;
mlxsw_sp_pg_buf_pack(pbmc_pl, i, total_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 int mlxsw_sp_port_get_port_parent_id(struct net_device *dev,
struct netdev_phys_item_id *ppid)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
ppid->id_len = sizeof(mlxsw_sp->base_mac);
memcpy(&ppid->id, &mlxsw_sp->base_mac, ppid->id_len);
return 0;
}
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,
.ndo_get_port_parent_id = mlxsw_sp_port_get_port_parent_id,
};
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, "%.29s_%.1d",
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, "%.29s_%.1d",
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_sp1_port_link_mode {
enum ethtool_link_mode_bit_indices mask_ethtool;
u32 mask;
u32 speed;
};
static const struct mlxsw_sp1_port_link_mode mlxsw_sp1_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_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_SP1_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp1_port_link_mode)
static void
mlxsw_sp1_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp,
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_sp1_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto,
unsigned long *mode)
{
int i;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask)
__set_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool,
mode);
}
}
static void
mlxsw_sp1_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, 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_SP1_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask) {
speed = mlxsw_sp1_port_link_mode[i].speed;
duplex = DUPLEX_FULL;
break;
}
}
out:
cmd->base.speed = speed;
cmd->base.duplex = duplex;
}
static u32
mlxsw_sp1_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp,
const struct ethtool_link_ksettings *cmd)
{
u32 ptys_proto = 0;
int i;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (test_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool,
cmd->link_modes.advertising))
ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
}
return ptys_proto;
}
static u32 mlxsw_sp1_to_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 speed)
{
u32 ptys_proto = 0;
int i;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (speed == mlxsw_sp1_port_link_mode[i].speed)
ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
}
return ptys_proto;
}
static u32
mlxsw_sp1_to_ptys_upper_speed(struct mlxsw_sp *mlxsw_sp, u32 upper_speed)
{
u32 ptys_proto = 0;
int i;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (mlxsw_sp1_port_link_mode[i].speed <= upper_speed)
ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
}
return ptys_proto;
}
static int
mlxsw_sp1_port_speed_base(struct mlxsw_sp *mlxsw_sp, u8 local_port,
u32 *base_speed)
{
*base_speed = MLXSW_SP_PORT_BASE_SPEED_25G;
return 0;
}
static void
mlxsw_sp1_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload,
u8 local_port, u32 proto_admin, bool autoneg)
{
mlxsw_reg_ptys_eth_pack(payload, local_port, proto_admin, autoneg);
}
static void
mlxsw_sp1_reg_ptys_eth_unpack(struct mlxsw_sp *mlxsw_sp, char *payload,
u32 *p_eth_proto_cap, u32 *p_eth_proto_admin,
u32 *p_eth_proto_oper)
{
mlxsw_reg_ptys_eth_unpack(payload, p_eth_proto_cap, p_eth_proto_admin,
p_eth_proto_oper);
}
static const struct mlxsw_sp_port_type_speed_ops
mlxsw_sp1_port_type_speed_ops = {
.from_ptys_supported_port = mlxsw_sp1_from_ptys_supported_port,
.from_ptys_link = mlxsw_sp1_from_ptys_link,
.from_ptys_speed_duplex = mlxsw_sp1_from_ptys_speed_duplex,
.to_ptys_advert_link = mlxsw_sp1_to_ptys_advert_link,
.to_ptys_speed = mlxsw_sp1_to_ptys_speed,
.to_ptys_upper_speed = mlxsw_sp1_to_ptys_upper_speed,
.port_speed_base = mlxsw_sp1_port_speed_base,
.reg_ptys_eth_pack = mlxsw_sp1_reg_ptys_eth_pack,
.reg_ptys_eth_unpack = mlxsw_sp1_reg_ptys_eth_unpack,
};
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_sgmii_100m[] = {
ETHTOOL_LINK_MODE_100baseT_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_sgmii_100m)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_1000base_x_sgmii[] = {
ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_1000base_x_sgmii)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii[] = {
ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_5gbase_r[] = {
ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_5gbase_r)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g[] = {
ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
ETHTOOL_LINK_MODE_10000baseER_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g[] = {
ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr[] = {
ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2[] = {
ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr[] = {
ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
ETHTOOL_LINK_MODE_50000baseDR_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4[] = {
ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2[] = {
ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4[] = {
ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4)
struct mlxsw_sp2_port_link_mode {
const enum ethtool_link_mode_bit_indices *mask_ethtool;
int m_ethtool_len;
u32 mask;
u32 speed;
};
static const struct mlxsw_sp2_port_link_mode mlxsw_sp2_port_link_mode[] = {
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_SGMII_100M,
.mask_ethtool = mlxsw_sp2_mask_ethtool_sgmii_100m,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN,
.speed = SPEED_100,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_1000BASE_X_SGMII,
.mask_ethtool = mlxsw_sp2_mask_ethtool_1000base_x_sgmii,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN,
.speed = SPEED_1000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_2_5GBASE_X_2_5GMII,
.mask_ethtool = mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN,
.speed = SPEED_2500,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_5GBASE_R,
.mask_ethtool = mlxsw_sp2_mask_ethtool_5gbase_r,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN,
.speed = SPEED_5000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_XFI_XAUI_1_10G,
.mask_ethtool = mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN,
.speed = SPEED_10000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_XLAUI_4_XLPPI_4_40G,
.mask_ethtool = mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN,
.speed = SPEED_40000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_25GAUI_1_25GBASE_CR_KR,
.mask_ethtool = mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN,
.speed = SPEED_25000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_2_LAUI_2_50GBASE_CR2_KR2,
.mask_ethtool = mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN,
.speed = SPEED_50000,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_1_LAUI_1_50GBASE_CR_KR,