linux-loongson/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c
Kees Cook 151e13ece8 net: ethtool: Adjust exactly ETH_GSTRING_LEN-long stats to use memcpy
Many drivers populate the stats buffer using C-String based APIs (e.g.
ethtool_sprintf() and ethtool_puts()), usually when building up the
list of stats individually (i.e. with a for() loop). This, however,
requires that the source strings be populated in such a way as to have
a terminating NUL byte in the source.

Other drivers populate the stats buffer directly using one big memcpy()
of an entire array of strings. No NUL termination is needed here, as the
bytes are being directly passed through. Yet others will build up the
stats buffer individually, but also use memcpy(). This, too, does not
need NUL termination of the source strings.

However, there are cases where the strings that populate the
source stats strings are exactly ETH_GSTRING_LEN long, and GCC
15's -Wunterminated-string-initialization option complains that the
trailing NUL byte has been truncated. This situation is fine only if the
driver is using the memcpy() approach. If the C-String APIs are used,
the destination string name will have its final byte truncated by the
required trailing NUL byte applied by the C-string API.

For drivers that are already using memcpy() but have initializers that
truncate the NUL terminator, mark their source strings as __nonstring to
silence the GCC warnings.

For drivers that have initializers that truncate the NUL terminator and
are using the C-String APIs, switch to memcpy() to avoid destination
string truncation and mark their source strings as __nonstring to silence
the GCC warnings. (Also introduce ethtool_cpy() as a helper to make this
an easy replacement).

Specifically the following warnings were investigated and addressed:

../drivers/net/ethernet/chelsio/cxgb/cxgb2.c:364:9: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (33 chars into 32 available) [-Wunterminated-string-initialization]
  364 |         "TxFramesAbortedDueToXSCollisions",
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/ethernet/freescale/enetc/enetc_ethtool.c:165:33: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (33 chars into 32 available) [-Wunterminated-string-initialization]
  165 |         { ENETC_PM_R1523X(0),   "MAC rx 1523 to max-octet packets" },
      |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/ethernet/freescale/enetc/enetc_ethtool.c:190:33: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (33 chars into 32 available) [-Wunterminated-string-initialization]
  190 |         { ENETC_PM_T1523X(0),   "MAC tx 1523 to max-octet packets" },
      |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/ethernet/google/gve/gve_ethtool.c:76:9: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (33 chars into 32 available) [-Wunterminated-string-initialization]
   76 |         "adminq_dcfg_device_resources_cnt", "adminq_set_driver_parameter_cnt",
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c:117:53: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (33 chars into 32 available) [-Wunterminated-string-initialization]
  117 |         STMMAC_STAT(ptp_rx_msg_type_pdelay_follow_up),
      |                                                     ^
../drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c:46:12: note: in definition of macro 'STMMAC_STAT'
   46 |         { #m, sizeof_field(struct stmmac_extra_stats, m),       \
      |            ^
../drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c:328:24: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (33 chars into 32 available) [-Wunterminated-string-initialization]
  328 |                 .str = "a_mac_control_frames_transmitted",
      |                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c:340:24: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (33 chars into 32 available) [-Wunterminated-string-initialization]
  340 |                 .str = "a_pause_mac_ctrl_frames_received",
      |                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Kees Cook <kees@kernel.org>
Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw
Reviewed-by: Harshitha Ramamurthy <hramamurthy@google.com>
Link: https://patch.msgid.link/20250416010210.work.904-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-04-17 18:53:52 -07:00

2122 lines
63 KiB
C

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/* Copyright (c) 2020 Mellanox Technologies. All rights reserved */
#include "reg.h"
#include "core.h"
#include "spectrum.h"
#include "core_env.h"
static const char mlxsw_sp_driver_version[] = "1.0";
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;
strscpy(drvinfo->driver, mlxsw_sp->bus_info->device_kind,
sizeof(drvinfo->driver));
strscpy(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);
strscpy(drvinfo->bus_info, mlxsw_sp->bus_info->device_name,
sizeof(drvinfo->bus_info));
}
struct mlxsw_sp_ethtool_link_ext_state_opcode_mapping {
u32 status_opcode;
enum ethtool_link_ext_state link_ext_state;
u8 link_ext_substate;
};
static const struct mlxsw_sp_ethtool_link_ext_state_opcode_mapping
mlxsw_sp_link_ext_state_opcode_map[] = {
{2, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED},
{3, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED},
{4, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_NEXT_PAGE_EXCHANGE_FAILED},
{36, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED_FORCE_MODE},
{38, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_FEC_MISMATCH_DURING_OVERRIDE},
{39, ETHTOOL_LINK_EXT_STATE_AUTONEG,
ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD},
{5, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_FRAME_LOCK_NOT_ACQUIRED},
{6, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT},
{7, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY},
{8, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 0},
{14, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT},
{9, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK},
{10, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_AM_LOCK},
{11, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_GET_ALIGN_STATUS},
{12, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED},
{13, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED},
{15, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 0},
{17, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS},
{42, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE},
{1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0},
{16, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
{20, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
{29, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
{1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
{1029, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE},
{1031, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 0},
{1027, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0},
{23, ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE, 0},
{1032, ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED, 0},
{1030, ETHTOOL_LINK_EXT_STATE_OVERHEAT, 0},
{1042, ETHTOOL_LINK_EXT_STATE_MODULE,
ETHTOOL_LINK_EXT_SUBSTATE_MODULE_CMIS_NOT_READY},
};
static void
mlxsw_sp_port_set_link_ext_state(struct mlxsw_sp_ethtool_link_ext_state_opcode_mapping
link_ext_state_mapping,
struct ethtool_link_ext_state_info *link_ext_state_info)
{
switch (link_ext_state_mapping.link_ext_state) {
case ETHTOOL_LINK_EXT_STATE_AUTONEG:
link_ext_state_info->autoneg =
link_ext_state_mapping.link_ext_substate;
break;
case ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE:
link_ext_state_info->link_training =
link_ext_state_mapping.link_ext_substate;
break;
case ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH:
link_ext_state_info->link_logical_mismatch =
link_ext_state_mapping.link_ext_substate;
break;
case ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY:
link_ext_state_info->bad_signal_integrity =
link_ext_state_mapping.link_ext_substate;
break;
case ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE:
link_ext_state_info->cable_issue =
link_ext_state_mapping.link_ext_substate;
break;
case ETHTOOL_LINK_EXT_STATE_MODULE:
link_ext_state_info->module =
link_ext_state_mapping.link_ext_substate;
break;
default:
break;
}
link_ext_state_info->link_ext_state = link_ext_state_mapping.link_ext_state;
}
static int
mlxsw_sp_port_get_link_ext_state(struct net_device *dev,
struct ethtool_link_ext_state_info *link_ext_state_info)
{
struct mlxsw_sp_ethtool_link_ext_state_opcode_mapping link_ext_state_mapping;
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
char pddr_pl[MLXSW_REG_PDDR_LEN];
int opcode, err, i;
u32 status_opcode;
if (netif_carrier_ok(dev))
return -ENODATA;
mlxsw_reg_pddr_pack(pddr_pl, mlxsw_sp_port->local_port,
MLXSW_REG_PDDR_PAGE_SELECT_TROUBLESHOOTING_INFO);
opcode = MLXSW_REG_PDDR_TRBLSH_GROUP_OPCODE_MONITOR;
mlxsw_reg_pddr_trblsh_group_opcode_set(pddr_pl, opcode);
err = mlxsw_reg_query(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pddr),
pddr_pl);
if (err)
return err;
status_opcode = mlxsw_reg_pddr_trblsh_status_opcode_get(pddr_pl);
if (!status_opcode)
return -ENODATA;
for (i = 0; i < ARRAY_SIZE(mlxsw_sp_link_ext_state_opcode_map); i++) {
link_ext_state_mapping = mlxsw_sp_link_ext_state_opcode_map[i];
if (link_ext_state_mapping.status_opcode == status_opcode) {
mlxsw_sp_port_set_link_ext_state(link_ext_state_mapping,
link_ext_state_info);
return 0;
}
}
return -ENODATA;
}
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);
}
/* Maximum delay buffer needed in case of PAUSE frames. Similar to PFC delay, but is
* measured in bytes. Assumes 100m cable and does not take into account MTU.
*/
#define MLXSW_SP_PAUSE_DELAY_BYTES 19476
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;
struct mlxsw_sp_hdroom orig_hdroom;
struct mlxsw_sp_hdroom hdroom;
int prio;
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;
}
orig_hdroom = *mlxsw_sp_port->hdroom;
hdroom = orig_hdroom;
if (pause_en)
hdroom.delay_bytes = MLXSW_SP_PAUSE_DELAY_BYTES;
else
hdroom.delay_bytes = 0;
for (prio = 0; prio < IEEE_8021QAZ_MAX_TCS; prio++)
hdroom.prios.prio[prio].lossy = !pause_en;
mlxsw_sp_hdroom_bufs_reset_lossiness(&hdroom);
mlxsw_sp_hdroom_bufs_reset_sizes(mlxsw_sp_port, &hdroom);
err = mlxsw_sp_hdroom_configure(mlxsw_sp_port, &hdroom);
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:
mlxsw_sp_hdroom_configure(mlxsw_sp_port, &orig_hdroom);
return err;
}
struct mlxsw_sp_port_hw_stats {
char str[ETH_GSTRING_LEN] __nonstring;
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_ext_stats[] = {
{
.str = "ecn_marked",
.getter = mlxsw_reg_ppcnt_ecn_marked_get,
},
};
#define MLXSW_SP_PORT_HW_EXT_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_ext_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)
struct mlxsw_sp_port_stats {
char str[ETH_GSTRING_LEN];
u64 (*getter)(struct mlxsw_sp_port *mlxsw_sp_port);
};
static u64
mlxsw_sp_port_get_transceiver_overheat_stats(struct mlxsw_sp_port *mlxsw_sp_port)
{
struct mlxsw_core *mlxsw_core = mlxsw_sp_port->mlxsw_sp->core;
u8 slot_index = mlxsw_sp_port->mapping.slot_index;
u8 module = mlxsw_sp_port->mapping.module;
u64 stats;
int err;
err = mlxsw_env_module_overheat_counter_get(mlxsw_core, slot_index,
module, &stats);
if (err)
return mlxsw_sp_port->module_overheat_initial_val;
return stats - mlxsw_sp_port->module_overheat_initial_val;
}
static struct mlxsw_sp_port_stats mlxsw_sp_port_transceiver_stats[] = {
{
.str = "transceiver_overheat",
.getter = mlxsw_sp_port_get_transceiver_overheat_stats,
},
};
#define MLXSW_SP_PORT_HW_TRANSCEIVER_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_transceiver_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_EXT_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) + \
MLXSW_SP_PORT_HW_TRANSCEIVER_STATS_LEN)
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, "%.28s_%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)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
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_EXT_STATS_LEN; i++) {
memcpy(p, mlxsw_sp_port_hw_ext_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);
mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_strings(&p);
for (i = 0; i < MLXSW_SP_PORT_HW_TRANSCEIVER_STATS_LEN; i++) {
memcpy(p, mlxsw_sp_port_transceiver_stats[i].str,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
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_EXT_CNT:
*p_hw_stats = mlxsw_sp_port_hw_ext_stats;
*p_len = MLXSW_SP_PORT_HW_EXT_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;
err = mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl);
if (err)
return;
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_env_stats(struct net_device *dev, u64 *data, int data_index,
struct mlxsw_sp_port_stats *port_stats,
int len)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
int i;
for (i = 0; i < len; i++)
data[data_index + i] = port_stats[i].getter(mlxsw_sp_port);
}
static void mlxsw_sp_port_get_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
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;
/* Extended Counters */
__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_EXT_CNT, 0,
data, data_index);
data_index += MLXSW_SP_PORT_HW_EXT_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;
}
/* PTP counters */
mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats(mlxsw_sp_port,
data, data_index);
data_index += mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count();
/* Transceiver counters */
__mlxsw_sp_port_get_env_stats(dev, data, data_index, mlxsw_sp_port_transceiver_stats,
MLXSW_SP_PORT_HW_TRANSCEIVER_STATS_LEN);
data_index += MLXSW_SP_PORT_HW_TRANSCEIVER_STATS_LEN;
}
static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
switch (sset) {
case ETH_SS_STATS:
return MLXSW_SP_PORT_ETHTOOL_STATS_LEN +
mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count();
default:
return -EOPNOTSUPP;
}
}
static void
mlxsw_sp_port_get_link_supported(struct mlxsw_sp *mlxsw_sp, u32 eth_proto_cap,
struct ethtool_link_ksettings *cmd)
{
const struct mlxsw_sp_port_type_speed_ops *ops;
ops = mlxsw_sp->port_type_speed_ops;
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);
ops->from_ptys_supported_port(mlxsw_sp, eth_proto_cap, cmd);
ops->from_ptys_link(mlxsw_sp, eth_proto_cap,
cmd->link_modes.supported);
}
static void
mlxsw_sp_port_get_link_advertise(struct mlxsw_sp *mlxsw_sp,
u32 eth_proto_admin, bool autoneg,
struct ethtool_link_ksettings *cmd)
{
const struct mlxsw_sp_port_type_speed_ops *ops;
ops = mlxsw_sp->port_type_speed_ops;
if (!autoneg)
return;
ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
ops->from_ptys_link(mlxsw_sp, eth_proto_admin,
cmd->link_modes.advertising);
}
static u8
mlxsw_sp_port_connector_port(enum mlxsw_reg_ptys_connector_type connector_type)
{
switch (connector_type) {
case MLXSW_REG_PTYS_CONNECTOR_TYPE_UNKNOWN_OR_NO_CONNECTOR:
return PORT_OTHER;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_NONE:
return PORT_NONE;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_TP:
return PORT_TP;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_AUI:
return PORT_AUI;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_BNC:
return PORT_BNC;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_MII:
return PORT_MII;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_FIBRE:
return PORT_FIBRE;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_DA:
return PORT_DA;
case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_OTHER:
return PORT_OTHER;
default:
WARN_ON_ONCE(1);
return PORT_OTHER;
}
}
static int mlxsw_sp_port_ptys_query(struct mlxsw_sp_port *mlxsw_sp_port,
u32 *p_eth_proto_cap, u32 *p_eth_proto_admin,
u32 *p_eth_proto_oper, u8 *p_connector_type)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
const struct mlxsw_sp_port_type_speed_ops *ops;
char ptys_pl[MLXSW_REG_PTYS_LEN];
int err;
ops = mlxsw_sp->port_type_speed_ops;
ops->reg_ptys_eth_pack(mlxsw_sp, 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;
ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, p_eth_proto_cap, p_eth_proto_admin,
p_eth_proto_oper);
if (p_connector_type)
*p_connector_type = mlxsw_reg_ptys_connector_type_get(ptys_pl);
return 0;
}
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;
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
const struct mlxsw_sp_port_type_speed_ops *ops;
u8 connector_type;
bool autoneg;
int err;
err = mlxsw_sp_port_ptys_query(mlxsw_sp_port, &eth_proto_cap, &eth_proto_admin,
&eth_proto_oper, &connector_type);
if (err)
return err;
ops = mlxsw_sp->port_type_speed_ops;
autoneg = mlxsw_sp_port->link.autoneg;
mlxsw_sp_port_get_link_supported(mlxsw_sp, eth_proto_cap, cmd);
mlxsw_sp_port_get_link_advertise(mlxsw_sp, eth_proto_admin, autoneg, cmd);
cmd->base.autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE;
cmd->base.port = mlxsw_sp_port_connector_port(connector_type);
ops->from_ptys_link_mode(mlxsw_sp, 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;
const struct mlxsw_sp_port_type_speed_ops *ops;
char ptys_pl[MLXSW_REG_PTYS_LEN];
u32 eth_proto_cap, eth_proto_new;
bool autoneg;
int err;
ops = mlxsw_sp->port_type_speed_ops;
ops->reg_ptys_eth_pack(mlxsw_sp, 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;
ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, &eth_proto_cap, NULL, NULL);
autoneg = cmd->base.autoneg == AUTONEG_ENABLE;
eth_proto_new = autoneg ?
ops->to_ptys_advert_link(mlxsw_sp, cmd) :
ops->to_ptys_speed_lanes(mlxsw_sp, mlxsw_sp_port->mapping.width,
cmd);
eth_proto_new = eth_proto_new & eth_proto_cap;
if (!eth_proto_new) {
netdev_err(dev, "No supported speed or lanes requested\n");
return -EINVAL;
}
ops->reg_ptys_eth_pack(mlxsw_sp, 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;
mlxsw_sp_port->link.autoneg = autoneg;
if (!netif_running(dev))
return 0;
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_get_module_info(struct net_device *netdev,
struct ethtool_modinfo *modinfo)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
return mlxsw_env_get_module_info(netdev, mlxsw_sp->core,
mlxsw_sp_port->mapping.slot_index,
mlxsw_sp_port->mapping.module,
modinfo);
}
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);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
u8 slot_index = mlxsw_sp_port->mapping.slot_index;
u8 module = mlxsw_sp_port->mapping.module;
return mlxsw_env_get_module_eeprom(netdev, mlxsw_sp->core, slot_index,
module, ee, data);
}
static int
mlxsw_sp_get_module_eeprom_by_page(struct net_device *dev,
const struct ethtool_module_eeprom *page,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
u8 slot_index = mlxsw_sp_port->mapping.slot_index;
u8 module = mlxsw_sp_port->mapping.module;
return mlxsw_env_get_module_eeprom_by_page(mlxsw_sp->core, slot_index,
module, page, extack);
}
static int
mlxsw_sp_set_module_eeprom_by_page(struct net_device *dev,
const struct ethtool_module_eeprom *page,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
u8 slot_index = mlxsw_sp_port->mapping.slot_index;
u8 module = mlxsw_sp_port->mapping.module;
return mlxsw_env_set_module_eeprom_by_page(mlxsw_sp->core, slot_index,
module, page, extack);
}
static int
mlxsw_sp_get_ts_info(struct net_device *netdev, struct kernel_ethtool_ts_info *info)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
return mlxsw_sp->ptp_ops->get_ts_info(mlxsw_sp, info);
}
static void
mlxsw_sp_get_eth_phy_stats(struct net_device *dev,
struct ethtool_eth_phy_stats *phy_stats)
{
char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
if (mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT,
0, ppcnt_pl))
return;
phy_stats->SymbolErrorDuringCarrier =
mlxsw_reg_ppcnt_a_symbol_error_during_carrier_get(ppcnt_pl);
}
static void
mlxsw_sp_get_eth_mac_stats(struct net_device *dev,
struct ethtool_eth_mac_stats *mac_stats)
{
char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
if (mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT,
0, ppcnt_pl))
return;
mac_stats->FramesTransmittedOK =
mlxsw_reg_ppcnt_a_frames_transmitted_ok_get(ppcnt_pl);
mac_stats->FramesReceivedOK =
mlxsw_reg_ppcnt_a_frames_received_ok_get(ppcnt_pl);
mac_stats->FrameCheckSequenceErrors =
mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get(ppcnt_pl);
mac_stats->AlignmentErrors =
mlxsw_reg_ppcnt_a_alignment_errors_get(ppcnt_pl);
mac_stats->OctetsTransmittedOK =
mlxsw_reg_ppcnt_a_octets_transmitted_ok_get(ppcnt_pl);
mac_stats->OctetsReceivedOK =
mlxsw_reg_ppcnt_a_octets_received_ok_get(ppcnt_pl);
mac_stats->MulticastFramesXmittedOK =
mlxsw_reg_ppcnt_a_multicast_frames_xmitted_ok_get(ppcnt_pl);
mac_stats->BroadcastFramesXmittedOK =
mlxsw_reg_ppcnt_a_broadcast_frames_xmitted_ok_get(ppcnt_pl);
mac_stats->MulticastFramesReceivedOK =
mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get(ppcnt_pl);
mac_stats->BroadcastFramesReceivedOK =
mlxsw_reg_ppcnt_a_broadcast_frames_received_ok_get(ppcnt_pl);
mac_stats->InRangeLengthErrors =
mlxsw_reg_ppcnt_a_in_range_length_errors_get(ppcnt_pl);
mac_stats->OutOfRangeLengthField =
mlxsw_reg_ppcnt_a_out_of_range_length_field_get(ppcnt_pl);
mac_stats->FrameTooLongErrors =
mlxsw_reg_ppcnt_a_frame_too_long_errors_get(ppcnt_pl);
}
static void
mlxsw_sp_get_eth_ctrl_stats(struct net_device *dev,
struct ethtool_eth_ctrl_stats *ctrl_stats)
{
char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
if (mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT,
0, ppcnt_pl))
return;
ctrl_stats->MACControlFramesTransmitted =
mlxsw_reg_ppcnt_a_mac_control_frames_transmitted_get(ppcnt_pl);
ctrl_stats->MACControlFramesReceived =
mlxsw_reg_ppcnt_a_mac_control_frames_received_get(ppcnt_pl);
ctrl_stats->UnsupportedOpcodesReceived =
mlxsw_reg_ppcnt_a_unsupported_opcodes_received_get(ppcnt_pl);
}
static const struct ethtool_rmon_hist_range mlxsw_rmon_ranges[] = {
{ 0, 64 },
{ 65, 127 },
{ 128, 255 },
{ 256, 511 },
{ 512, 1023 },
{ 1024, 1518 },
{ 1519, 2047 },
{ 2048, 4095 },
{ 4096, 8191 },
{ 8192, 10239 },
{}
};
static void
mlxsw_sp_get_rmon_stats(struct net_device *dev,
struct ethtool_rmon_stats *rmon,
const struct ethtool_rmon_hist_range **ranges)
{
char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
if (mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_RFC_2819_CNT,
0, ppcnt_pl))
return;
rmon->undersize_pkts =
mlxsw_reg_ppcnt_ether_stats_undersize_pkts_get(ppcnt_pl);
rmon->oversize_pkts =
mlxsw_reg_ppcnt_ether_stats_oversize_pkts_get(ppcnt_pl);
rmon->fragments =
mlxsw_reg_ppcnt_ether_stats_fragments_get(ppcnt_pl);
rmon->hist[0] = mlxsw_reg_ppcnt_ether_stats_pkts64octets_get(ppcnt_pl);
rmon->hist[1] =
mlxsw_reg_ppcnt_ether_stats_pkts65to127octets_get(ppcnt_pl);
rmon->hist[2] =
mlxsw_reg_ppcnt_ether_stats_pkts128to255octets_get(ppcnt_pl);
rmon->hist[3] =
mlxsw_reg_ppcnt_ether_stats_pkts256to511octets_get(ppcnt_pl);
rmon->hist[4] =
mlxsw_reg_ppcnt_ether_stats_pkts512to1023octets_get(ppcnt_pl);
rmon->hist[5] =
mlxsw_reg_ppcnt_ether_stats_pkts1024to1518octets_get(ppcnt_pl);
rmon->hist[6] =
mlxsw_reg_ppcnt_ether_stats_pkts1519to2047octets_get(ppcnt_pl);
rmon->hist[7] =
mlxsw_reg_ppcnt_ether_stats_pkts2048to4095octets_get(ppcnt_pl);
rmon->hist[8] =
mlxsw_reg_ppcnt_ether_stats_pkts4096to8191octets_get(ppcnt_pl);
rmon->hist[9] =
mlxsw_reg_ppcnt_ether_stats_pkts8192to10239octets_get(ppcnt_pl);
*ranges = mlxsw_rmon_ranges;
}
static int mlxsw_sp_reset(struct net_device *dev, u32 *flags)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
u8 slot_index = mlxsw_sp_port->mapping.slot_index;
u8 module = mlxsw_sp_port->mapping.module;
return mlxsw_env_reset_module(dev, mlxsw_sp->core, slot_index,
module, flags);
}
static int
mlxsw_sp_get_module_power_mode(struct net_device *dev,
struct ethtool_module_power_mode_params *params,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
u8 slot_index = mlxsw_sp_port->mapping.slot_index;
u8 module = mlxsw_sp_port->mapping.module;
return mlxsw_env_get_module_power_mode(mlxsw_sp->core, slot_index,
module, params, extack);
}
static int
mlxsw_sp_set_module_power_mode(struct net_device *dev,
const struct ethtool_module_power_mode_params *params,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
u8 slot_index = mlxsw_sp_port->mapping.slot_index;
u8 module = mlxsw_sp_port->mapping.module;
return mlxsw_env_set_module_power_mode(mlxsw_sp->core, slot_index,
module, params->policy, extack);
}
const struct ethtool_ops mlxsw_sp_port_ethtool_ops = {
.cap_link_lanes_supported = true,
.get_drvinfo = mlxsw_sp_port_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_link_ext_state = mlxsw_sp_port_get_link_ext_state,
.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,
.get_module_info = mlxsw_sp_get_module_info,
.get_module_eeprom = mlxsw_sp_get_module_eeprom,
.get_module_eeprom_by_page = mlxsw_sp_get_module_eeprom_by_page,
.set_module_eeprom_by_page = mlxsw_sp_set_module_eeprom_by_page,
.get_ts_info = mlxsw_sp_get_ts_info,
.get_eth_phy_stats = mlxsw_sp_get_eth_phy_stats,
.get_eth_mac_stats = mlxsw_sp_get_eth_mac_stats,
.get_eth_ctrl_stats = mlxsw_sp_get_eth_ctrl_stats,
.get_rmon_stats = mlxsw_sp_get_rmon_stats,
.reset = mlxsw_sp_reset,
.get_module_power_mode = mlxsw_sp_get_module_power_mode,
.set_module_power_mode = mlxsw_sp_set_module_power_mode,
};
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_1000BASE_T,
.mask_ethtool = ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
.speed = SPEED_1000,
},
{
.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_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_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 u32
mlxsw_sp1_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto)
{
int i;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask)
return mlxsw_sp1_port_link_mode[i].speed;
}
return SPEED_UNKNOWN;
}
static void
mlxsw_sp1_from_ptys_link_mode(struct mlxsw_sp *mlxsw_sp, bool carrier_ok,
u32 ptys_eth_proto,
struct ethtool_link_ksettings *cmd)
{
struct mlxsw_sp1_port_link_mode link;
int i;
cmd->base.speed = SPEED_UNKNOWN;
cmd->base.duplex = DUPLEX_UNKNOWN;
cmd->lanes = 0;
if (!carrier_ok)
return;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask) {
link = mlxsw_sp1_port_link_mode[i];
ethtool_params_from_link_mode(cmd,
link.mask_ethtool);
}
}
}
static int mlxsw_sp1_ptys_max_speed(struct mlxsw_sp_port *mlxsw_sp_port, u32 *p_max_speed)
{
u32 eth_proto_cap;
u32 max_speed = 0;
int err;
int i;
err = mlxsw_sp_port_ptys_query(mlxsw_sp_port, &eth_proto_cap, NULL, NULL, NULL);
if (err)
return err;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if ((eth_proto_cap & mlxsw_sp1_port_link_mode[i].mask) &&
mlxsw_sp1_port_link_mode[i].speed > max_speed)
max_speed = mlxsw_sp1_port_link_mode[i].speed;
}
*p_max_speed = max_speed;
return 0;
}
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_lanes(struct mlxsw_sp *mlxsw_sp, u8 width,
const struct ethtool_link_ksettings *cmd)
{
u32 ptys_proto = 0;
int i;
if (cmd->lanes > width)
return ptys_proto;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (cmd->base.speed == mlxsw_sp1_port_link_mode[i].speed)
ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
}
return ptys_proto;
}
static void
mlxsw_sp1_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload,
u16 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 u32 mlxsw_sp1_ptys_proto_cap_masked_get(u32 eth_proto_cap)
{
u32 ptys_proto_cap_masked = 0;
int i;
for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
if (mlxsw_sp1_port_link_mode[i].mask & eth_proto_cap)
ptys_proto_cap_masked |=
mlxsw_sp1_port_link_mode[i].mask;
}
return ptys_proto_cap_masked;
}
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 = mlxsw_sp1_from_ptys_speed,
.from_ptys_link_mode = mlxsw_sp1_from_ptys_link_mode,
.ptys_max_speed = mlxsw_sp1_ptys_max_speed,
.to_ptys_advert_link = mlxsw_sp1_to_ptys_advert_link,
.to_ptys_speed_lanes = mlxsw_sp1_to_ptys_speed_lanes,
.reg_ptys_eth_pack = mlxsw_sp1_reg_ptys_eth_pack,
.reg_ptys_eth_unpack = mlxsw_sp1_reg_ptys_eth_unpack,
.ptys_proto_cap_masked_get = mlxsw_sp1_ptys_proto_cap_masked_get,
};
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_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_100gaui_1_100gbase_cr_kr[] = {
ETHTOOL_LINK_MODE_100000baseKR_Full_BIT,
ETHTOOL_LINK_MODE_100000baseSR_Full_BIT,
ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT,
ETHTOOL_LINK_MODE_100000baseCR_Full_BIT,
ETHTOOL_LINK_MODE_100000baseDR_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_100GAUI_1_100GBASE_CR_KR_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_100gaui_1_100gbase_cr_kr)
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)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_200gaui_2_200gbase_cr2_kr2[] = {
ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT,
ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT,
ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT,
ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT,
ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_200GAUI_2_200GBASE_CR2_KR2_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_200gaui_2_200gbase_cr2_kr2)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_400gaui_8[] = {
ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT,
ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT,
ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT,
ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT,
ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_400gaui_8)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_400gaui_4_400gbase_cr4_kr4[] = {
ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT,
ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT,
ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT,
ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT,
ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_400GAUI_4_400GBASE_CR4_KR4_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_400gaui_4_400gbase_cr4_kr4)
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_800gaui_8[] = {
ETHTOOL_LINK_MODE_800000baseCR8_Full_BIT,
ETHTOOL_LINK_MODE_800000baseKR8_Full_BIT,
ETHTOOL_LINK_MODE_800000baseDR8_Full_BIT,
ETHTOOL_LINK_MODE_800000baseDR8_2_Full_BIT,
ETHTOOL_LINK_MODE_800000baseSR8_Full_BIT,
ETHTOOL_LINK_MODE_800000baseVR8_Full_BIT,
};
#define MLXSW_SP2_MASK_ETHTOOL_800GAUI_8_LEN \
ARRAY_SIZE(mlxsw_sp2_mask_ethtool_800gaui_8)
#define MLXSW_SP_PORT_MASK_WIDTH_1X BIT(0)
#define MLXSW_SP_PORT_MASK_WIDTH_2X BIT(1)
#define MLXSW_SP_PORT_MASK_WIDTH_4X BIT(2)
#define MLXSW_SP_PORT_MASK_WIDTH_8X BIT(3)
static u8 mlxsw_sp_port_mask_width_get(u8 width)
{
switch (width) {
case 1:
return MLXSW_SP_PORT_MASK_WIDTH_1X;
case 2:
return MLXSW_SP_PORT_MASK_WIDTH_2X;
case 4:
return MLXSW_SP_PORT_MASK_WIDTH_4X;
case 8:
return MLXSW_SP_PORT_MASK_WIDTH_8X;
default:
WARN_ON_ONCE(1);
return 0;
}
}
struct mlxsw_sp2_port_link_mode {
const enum ethtool_link_mode_bit_indices *mask_ethtool;
int m_ethtool_len;
u32 mask;
u32 speed;
u32 width;
u8 mask_sup_width;
};
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,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_100,
.width = 1,
},
{
.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,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_1000,
.width = 1,
},
{
.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,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_5000,
.width = 1,
},
{
.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,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_10000,
.width = 1,
},
{
.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,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_40000,
.width = 4,
},
{
.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,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_25000,
.width = 1,
},
{
.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,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_2X |
MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_50000,
.width = 2,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_1_LAUI_1_50GBASE_CR_KR,
.mask_ethtool = mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_1X,
.speed = SPEED_50000,
.width = 1,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_CAUI_4_100GBASE_CR4_KR4,
.mask_ethtool = mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_100000,
.width = 4,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_100GAUI_2_100GBASE_CR2_KR2,
.mask_ethtool = mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_2X,
.speed = SPEED_100000,
.width = 2,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_100GAUI_1_100GBASE_CR_KR,
.mask_ethtool = mlxsw_sp2_mask_ethtool_100gaui_1_100gbase_cr_kr,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_100GAUI_1_100GBASE_CR_KR_LEN,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_1X,
.speed = SPEED_100000,
.width = 1,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_200GAUI_4_200GBASE_CR4_KR4,
.mask_ethtool = mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_4X |
MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_200000,
.width = 4,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_200GAUI_2_200GBASE_CR2_KR2,
.mask_ethtool = mlxsw_sp2_mask_ethtool_200gaui_2_200gbase_cr2_kr2,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_200GAUI_2_200GBASE_CR2_KR2_LEN,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_2X,
.speed = SPEED_200000,
.width = 2,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_400GAUI_8,
.mask_ethtool = mlxsw_sp2_mask_ethtool_400gaui_8,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_400000,
.width = 8,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_400GAUI_4_400GBASE_CR4_KR4,
.mask_ethtool = mlxsw_sp2_mask_ethtool_400gaui_4_400gbase_cr4_kr4,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_400GAUI_4_400GBASE_CR4_KR4_LEN,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_4X,
.speed = SPEED_400000,
.width = 4,
},
{
.mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_800GAUI_8,
.mask_ethtool = mlxsw_sp2_mask_ethtool_800gaui_8,
.m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_800GAUI_8_LEN,
.mask_sup_width = MLXSW_SP_PORT_MASK_WIDTH_8X,
.speed = SPEED_800000,
.width = 8,
},
};
#define MLXSW_SP2_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp2_port_link_mode)
static void
mlxsw_sp2_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp,
u32 ptys_eth_proto,
struct ethtool_link_ksettings *cmd)
{
ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane);
}
static void
mlxsw_sp2_set_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode,
unsigned long *mode)
{
int i;
for (i = 0; i < link_mode->m_ethtool_len; i++)
__set_bit(link_mode->mask_ethtool[i], mode);
}
static void
mlxsw_sp2_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto,
unsigned long *mode)
{
int i;
for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask)
mlxsw_sp2_set_bit_ethtool(&mlxsw_sp2_port_link_mode[i],
mode);
}
}
static u32
mlxsw_sp2_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto)
{
int i;
for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask)
return mlxsw_sp2_port_link_mode[i].speed;
}
return SPEED_UNKNOWN;
}
static void
mlxsw_sp2_from_ptys_link_mode(struct mlxsw_sp *mlxsw_sp, bool carrier_ok,
u32 ptys_eth_proto,
struct ethtool_link_ksettings *cmd)
{
struct mlxsw_sp2_port_link_mode link;
int i;
cmd->base.speed = SPEED_UNKNOWN;
cmd->base.duplex = DUPLEX_UNKNOWN;
cmd->lanes = 0;
if (!carrier_ok)
return;
for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
if (ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask) {
link = mlxsw_sp2_port_link_mode[i];
ethtool_params_from_link_mode(cmd,
link.mask_ethtool[1]);
}
}
}
static int mlxsw_sp2_ptys_max_speed(struct mlxsw_sp_port *mlxsw_sp_port, u32 *p_max_speed)
{
u32 eth_proto_cap;
u32 max_speed = 0;
int err;
int i;
err = mlxsw_sp_port_ptys_query(mlxsw_sp_port, &eth_proto_cap, NULL, NULL, NULL);
if (err)
return err;
for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
if ((eth_proto_cap & mlxsw_sp2_port_link_mode[i].mask) &&
mlxsw_sp2_port_link_mode[i].speed > max_speed)
max_speed = mlxsw_sp2_port_link_mode[i].speed;
}
*p_max_speed = max_speed;
return 0;
}
static bool
mlxsw_sp2_test_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode,
const unsigned long *mode)
{
int cnt = 0;
int i;
for (i = 0; i < link_mode->m_ethtool_len; i++) {
if (test_bit(link_mode->mask_ethtool[i], mode))
cnt++;
}
return cnt == link_mode->m_ethtool_len;
}
static u32
mlxsw_sp2_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_SP2_PORT_LINK_MODE_LEN; i++) {
if (mlxsw_sp2_test_bit_ethtool(&mlxsw_sp2_port_link_mode[i],
cmd->link_modes.advertising))
ptys_proto |= mlxsw_sp2_port_link_mode[i].mask;
}
return ptys_proto;
}
static u32 mlxsw_sp2_to_ptys_speed_lanes(struct mlxsw_sp *mlxsw_sp, u8 width,
const struct ethtool_link_ksettings *cmd)
{
u8 mask_width = mlxsw_sp_port_mask_width_get(width);
struct mlxsw_sp2_port_link_mode link_mode;
u32 ptys_proto = 0;
int i;
if (cmd->lanes > width)
return ptys_proto;
for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
if (cmd->base.speed == mlxsw_sp2_port_link_mode[i].speed) {
link_mode = mlxsw_sp2_port_link_mode[i];
if (!cmd->lanes) {
/* If number of lanes was not set by user space,
* choose the link mode that supports the width
* of the port.
*/
if (mask_width & link_mode.mask_sup_width)
ptys_proto |= link_mode.mask;
} else if (cmd->lanes == link_mode.width) {
/* Else if the number of lanes was set, choose
* the link mode that its actual width equals to
* it.
*/
ptys_proto |= link_mode.mask;
}
}
}
return ptys_proto;
}
static void
mlxsw_sp2_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload,
u16 local_port, u32 proto_admin,
bool autoneg)
{
mlxsw_reg_ptys_ext_eth_pack(payload, local_port, proto_admin, autoneg);
}
static void
mlxsw_sp2_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_ext_eth_unpack(payload, p_eth_proto_cap,
p_eth_proto_admin, p_eth_proto_oper);
}
static u32 mlxsw_sp2_ptys_proto_cap_masked_get(u32 eth_proto_cap)
{
u32 ptys_proto_cap_masked = 0;
int i;
for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
if (mlxsw_sp2_port_link_mode[i].mask & eth_proto_cap)
ptys_proto_cap_masked |=
mlxsw_sp2_port_link_mode[i].mask;
}
return ptys_proto_cap_masked;
}
const struct mlxsw_sp_port_type_speed_ops mlxsw_sp2_port_type_speed_ops = {
.from_ptys_supported_port = mlxsw_sp2_from_ptys_supported_port,
.from_ptys_link = mlxsw_sp2_from_ptys_link,
.from_ptys_speed = mlxsw_sp2_from_ptys_speed,
.from_ptys_link_mode = mlxsw_sp2_from_ptys_link_mode,
.ptys_max_speed = mlxsw_sp2_ptys_max_speed,
.to_ptys_advert_link = mlxsw_sp2_to_ptys_advert_link,
.to_ptys_speed_lanes = mlxsw_sp2_to_ptys_speed_lanes,
.reg_ptys_eth_pack = mlxsw_sp2_reg_ptys_eth_pack,
.reg_ptys_eth_unpack = mlxsw_sp2_reg_ptys_eth_unpack,
.ptys_proto_cap_masked_get = mlxsw_sp2_ptys_proto_cap_masked_get,
};