#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/jhash.h>
#include <linux/log2.h>
#include <linux/refcount.h>
#include <linux/rhashtable.h>
#include <net/switchdev.h>
#include <net/pkt_cls.h>
#include <net/netevent.h>
#include <net/addrconf.h>
#include <linux/ptp_classify.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 "spectrum_ptp.h"
#include "spectrum_trap.h"
#define MLXSW_SP_FWREV_MINOR 2010
#define MLXSW_SP_FWREV_SUBMINOR 1006
#define MLXSW_SP1_FWREV_MAJOR 13
#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_SP_FWREV_MINOR,
.subminor = MLXSW_SP_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_SP_FWREV_MINOR) \
"." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2"
#define MLXSW_SP2_FWREV_MAJOR 29
static const struct mlxsw_fw_rev mlxsw_sp2_fw_rev = {
.major = MLXSW_SP2_FWREV_MAJOR,
.minor = MLXSW_SP_FWREV_MINOR,
.subminor = MLXSW_SP_FWREV_SUBMINOR,
};
#define MLXSW_SP2_FW_FILENAME \
"mellanox/mlxsw_spectrum2-" __stringify(MLXSW_SP2_FWREV_MAJOR) \
"." __stringify(MLXSW_SP_FWREV_MINOR) \
"." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2"
#define MLXSW_SP3_FWREV_MAJOR 30
static const struct mlxsw_fw_rev mlxsw_sp3_fw_rev = {
.major = MLXSW_SP3_FWREV_MAJOR,
.minor = MLXSW_SP_FWREV_MINOR,
.subminor = MLXSW_SP_FWREV_SUBMINOR,
};
#define MLXSW_SP3_FW_FILENAME \
"mellanox/mlxsw_spectrum3-" __stringify(MLXSW_SP3_FWREV_MAJOR) \
"." __stringify(MLXSW_SP_FWREV_MINOR) \
"." __stringify(MLXSW_SP_FWREV_SUBMINOR) ".mfa2"
#define MLXSW_SP_LINECARDS_INI_BUNDLE_FILENAME \
"mellanox/lc_ini_bundle_" \
__stringify(MLXSW_SP_FWREV_MINOR) "_" \
__stringify(MLXSW_SP_FWREV_SUBMINOR) ".bin"
static const char mlxsw_sp1_driver_name[] = "mlxsw_spectrum";
static const char mlxsw_sp2_driver_name[] = "mlxsw_spectrum2";
static const char mlxsw_sp3_driver_name[] = "mlxsw_spectrum3";
static const char mlxsw_sp4_driver_name[] = "mlxsw_spectrum4";
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
};
int mlxsw_sp_flow_counter_get(struct mlxsw_sp *mlxsw_sp,
unsigned int counter_index, bool clear,
u64 *packets, u64 *bytes)
{
enum mlxsw_reg_mgpc_opcode op = clear ? MLXSW_REG_MGPC_OPCODE_CLEAR :
MLXSW_REG_MGPC_OPCODE_NOP;
char mgpc_pl[MLXSW_REG_MGPC_LEN];
int err;
mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, op,
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 bool mlxsw_sp_skb_requires_ts(struct sk_buff *skb)
{
unsigned int type;
if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
return false;
type = ptp_classify_raw(skb);
return !!ptp_parse_header(skb, type);
}
static void mlxsw_sp_txhdr_info_data_init(struct mlxsw_core *mlxsw_core,
struct sk_buff *skb,
struct mlxsw_txhdr_info *txhdr_info)
{
u16 max_fid = MLXSW_CORE_RES_GET(mlxsw_core, FID);
txhdr_info->data = true;
txhdr_info->max_fid = max_fid;
}
static struct sk_buff *
mlxsw_sp_vlan_tag_push(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb)
{
if (skb_vlan_tagged(skb))
return skb;
return vlan_insert_tag_set_proto(skb, htons(ETH_P_8021Q),
MLXSW_SP_DEFAULT_VID);
}
static struct sk_buff *
mlxsw_sp_txhdr_preparations(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
struct mlxsw_txhdr_info *txhdr_info)
{
if (likely(!mlxsw_sp_skb_requires_ts(skb)))
return skb;
if (!mlxsw_sp->ptp_ops->tx_as_data)
return skb;
mlxsw_sp_txhdr_info_data_init(mlxsw_sp->core, skb, txhdr_info);
return mlxsw_sp_vlan_tag_push(mlxsw_sp, skb);
}
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:
case BR_STATE_DISABLED:
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;
}
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,
const 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;
eth_hw_addr_gen(mlxsw_sp_port->dev, mlxsw_sp->base_mac,
mlxsw_sp_port->local_port);
return mlxsw_sp_port_dev_addr_set(mlxsw_sp_port,
mlxsw_sp_port->dev->dev_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];
mtu += MLXSW_PORT_ETH_FRAME_HDR;
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 *mlxsw_sp,
u16 local_port, u8 swid)
{
char pspa_pl[MLXSW_REG_PSPA_LEN];
mlxsw_reg_pspa_pack(pspa_pl, swid, 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;
}
int mlxsw_sp_port_security_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char spfsr_pl[MLXSW_REG_SPFSR_LEN];
int err;
if (mlxsw_sp_port->security == enable)
return 0;
mlxsw_reg_spfsr_pack(spfsr_pl, mlxsw_sp_port->local_port, enable);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spfsr), spfsr_pl);
if (err)
return err;
mlxsw_sp_port->security = enable;
return 0;
}
int mlxsw_sp_ethtype_to_sver_type(u16 ethtype, u8 *p_sver_type)
{
switch (ethtype) {
case ETH_P_8021Q:
*p_sver_type = 0;
break;
case ETH_P_8021AD:
*p_sver_type = 1;
break;
default:
return -EINVAL;
}
return 0;
}
int mlxsw_sp_port_egress_ethtype_set(struct mlxsw_sp_port *mlxsw_sp_port,
u16 ethtype)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char spevet_pl[MLXSW_REG_SPEVET_LEN];
u8 sver_type;
int err;
err = mlxsw_sp_ethtype_to_sver_type(ethtype, &sver_type);
if (err)
return err;
mlxsw_reg_spevet_pack(spevet_pl, mlxsw_sp_port->local_port, sver_type);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spevet), spevet_pl);
}
static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port,
u16 vid, u16 ethtype)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char spvid_pl[MLXSW_REG_SPVID_LEN];
u8 sver_type;
int err;
err = mlxsw_sp_ethtype_to_sver_type(ethtype, &sver_type);
if (err)
return err;
mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid,
sver_type);
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,
u16 ethtype)
{
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, ethtype);
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, ethtype);
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_parse(struct mlxsw_sp *mlxsw_sp,
u16 local_port, char *pmlp_pl,
struct mlxsw_sp_port_mapping *port_mapping)
{
bool separate_rxtx;
u8 first_lane;
u8 slot_index;
u8 module;
u8 width;
int i;
module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0);
slot_index = mlxsw_reg_pmlp_slot_index_get(pmlp_pl, 0);
width = mlxsw_reg_pmlp_width_get(pmlp_pl);
separate_rxtx = mlxsw_reg_pmlp_rxtx_get(pmlp_pl);
first_lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0);
if (width && !is_power_of_2(width)) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: width value is not power of 2\n",
local_port);
return -EINVAL;
}
for (i = 0; i < width; i++) {
if (mlxsw_reg_pmlp_module_get(pmlp_pl, i) != module) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: contains multiple modules\n",
local_port);
return -EINVAL;
}
if (mlxsw_reg_pmlp_slot_index_get(pmlp_pl, i) != slot_index) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: contains multiple slot indexes\n",
local_port);
return -EINVAL;
}
if (separate_rxtx &&
mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) !=
mlxsw_reg_pmlp_rx_lane_get(pmlp_pl, i)) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are different\n",
local_port);
return -EINVAL;
}
if (mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) != i + first_lane) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are not sequential\n",
local_port);
return -EINVAL;
}
}
port_mapping->module = module;
port_mapping->slot_index = slot_index;
port_mapping->width = width;
port_mapping->module_width = width;
port_mapping->lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0);
return 0;
}
static int
mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, u16 local_port,
struct mlxsw_sp_port_mapping *port_mapping)
{
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;
return mlxsw_sp_port_module_info_parse(mlxsw_sp, local_port,
pmlp_pl, port_mapping);
}
static int
mlxsw_sp_port_module_map(struct mlxsw_sp *mlxsw_sp, u16 local_port,
const struct mlxsw_sp_port_mapping *port_mapping)
{
char pmlp_pl[MLXSW_REG_PMLP_LEN];
int i, err;
mlxsw_env_module_port_map(mlxsw_sp->core, port_mapping->slot_index,
port_mapping->module);
mlxsw_reg_pmlp_pack(pmlp_pl, local_port);
mlxsw_reg_pmlp_width_set(pmlp_pl, port_mapping->width);
for (i = 0; i < port_mapping->width; i++) {
mlxsw_reg_pmlp_slot_index_set(pmlp_pl, i,
port_mapping->slot_index);
mlxsw_reg_pmlp_module_set(pmlp_pl, i, port_mapping->module);
mlxsw_reg_pmlp_tx_lane_set(pmlp_pl, i, port_mapping->lane + i);
}
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
if (err)
goto err_pmlp_write;
return 0;
err_pmlp_write:
mlxsw_env_module_port_unmap(mlxsw_sp->core, port_mapping->slot_index,
port_mapping->module);
return err;
}
static void mlxsw_sp_port_module_unmap(struct mlxsw_sp *mlxsw_sp, u16 local_port,
u8 slot_index, u8 module)
{
char pmlp_pl[MLXSW_REG_PMLP_LEN];
mlxsw_reg_pmlp_pack(pmlp_pl, local_port);
mlxsw_reg_pmlp_width_set(pmlp_pl, 0);
mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
mlxsw_env_module_port_unmap(mlxsw_sp->core, slot_index, module);
}
static int mlxsw_sp_port_open(struct net_device *dev)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
int err;
err = mlxsw_env_module_port_up(mlxsw_sp->core,
mlxsw_sp_port->mapping.slot_index,
mlxsw_sp_port->mapping.module);
if (err)
return err;
err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
if (err)
goto err_port_admin_status_set;
netif_start_queue(dev);
return 0;
err_port_admin_status_set:
mlxsw_env_module_port_down(mlxsw_sp->core,
mlxsw_sp_port->mapping.slot_index,
mlxsw_sp_port->mapping.module);
return err;
}
static int mlxsw_sp_port_stop(struct net_device *dev)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
netif_stop_queue(dev);
mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
mlxsw_env_module_port_down(mlxsw_sp->core,
mlxsw_sp_port->mapping.slot_index,
mlxsw_sp_port->mapping.module);
return 0;
}
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;
struct mlxsw_txhdr_info txhdr_info = {
.tx_info.local_port = mlxsw_sp_port->local_port,
.tx_info.is_emad = false,
};
u64 len;
int err;
memset(skb->cb, 0, sizeof(struct mlxsw_skb_cb));
if (mlxsw_core_skb_transmit_busy(mlxsw_sp->core, &txhdr_info.tx_info))
return NETDEV_TX_BUSY;
if (eth_skb_pad(skb)) {
this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped);
return NETDEV_TX_OK;
}
skb = mlxsw_sp_txhdr_preparations(mlxsw_sp, skb, &txhdr_info);
if (!skb) {
this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped);
return NETDEV_TX_OK;
}
len = skb->len - MLXSW_TXHDR_LEN;
err = mlxsw_core_skb_transmit(mlxsw_sp->core, skb, &txhdr_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;
eth_hw_addr_set(dev, addr->sa_data);
return 0;
}
static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp_hdroom orig_hdroom;
struct mlxsw_sp_hdroom hdroom;
int err;
orig_hdroom = *mlxsw_sp_port->hdroom;
hdroom = orig_hdroom;
hdroom.mtu = mtu;
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_mtu_set(mlxsw_sp_port, mtu);
if (err)
goto err_port_mtu_set;
WRITE_ONCE(dev->mtu, mtu);
return 0;
err_port_mtu_set:
mlxsw_sp_hdroom_configure(mlxsw_sp_port, &orig_hdroom);
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(&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(&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 += 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;
}
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_CNT,
i, ppcnt_pl);
if (err)
goto tc_cnt;
xstats->wred_drop[i] =
mlxsw_reg_ppcnt_wred_discard_get(ppcnt_pl);
xstats->tc_ecn[i] = mlxsw_reg_ppcnt_ecn_marked_tc_get(ppcnt_pl);
tc_cnt:
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);
}
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_obj(*mlxsw_sp_port_vlan);
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);
if (!vid)
return 0;
return PTR_ERR_OR_ZERO(mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid));
}
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;
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_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port,
struct flow_block_offload *f)
{
switch (f->binder_type) {
case FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS:
return mlxsw_sp_setup_tc_block_clsact(mlxsw_sp_port, f, true);
case FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS:
return mlxsw_sp_setup_tc_block_clsact(mlxsw_sp_port, f, false);
case FLOW_BLOCK_BINDER_TYPE_RED_EARLY_DROP:
return mlxsw_sp_setup_tc_block_qevent_early_drop(mlxsw_sp_port, f);
case FLOW_BLOCK_BINDER_TYPE_RED_MARK:
return mlxsw_sp_setup_tc_block_qevent_mark(mlxsw_sp_port, f);
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);
case TC_SETUP_QDISC_ETS:
return mlxsw_sp_setup_tc_ets(mlxsw_sp_port, type_data);
case TC_SETUP_QDISC_TBF:
return mlxsw_sp_setup_tc_tbf(mlxsw_sp_port, type_data);
case TC_SETUP_QDISC_FIFO:
return mlxsw_sp_setup_tc_fifo(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_flow_block_rule_count(mlxsw_sp_port->ing_flow_block) ||
mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->eg_flow_block)) {
netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n");
return -EINVAL;
}
mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->ing_flow_block);
mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->eg_flow_block);
} else {
mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->ing_flow_block);
mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->eg_flow_block);
}
return 0;
}
static int mlxsw_sp_feature_loopback(struct net_device *dev, bool enable)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
char pplr_pl[MLXSW_REG_PPLR_LEN];
int err;
if (netif_running(dev))
mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
mlxsw_reg_pplr_pack(pplr_pl, mlxsw_sp_port->local_port, enable);
err = mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pplr),
pplr_pl);
if (netif_running(dev))
mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
return err;
}
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)
{
netdev_features_t oper_features = dev->features;
int err = 0;
err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_HW_TC,
mlxsw_sp_feature_hw_tc);
err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_LOOPBACK,
mlxsw_sp_feature_loopback);
if (err) {
dev->features = oper_features;
return -EINVAL;
}
return 0;
}
static int mlxsw_sp_port_hwtstamp_set(struct net_device *dev,
struct kernel_hwtstamp_config *config,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
return mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port,
config, extack);
}
static int mlxsw_sp_port_hwtstamp_get(struct net_device *dev,
struct kernel_hwtstamp_config *config)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
return mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_get(mlxsw_sp_port,
config);
}
static inline void mlxsw_sp_port_ptp_clear(struct mlxsw_sp_port *mlxsw_sp_port)
{
struct kernel_hwtstamp_config config = {};
mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port, &config,
NULL);
}
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_set_features = mlxsw_sp_set_features,
.ndo_hwtstamp_get = mlxsw_sp_port_hwtstamp_get,
.ndo_hwtstamp_set = mlxsw_sp_port_hwtstamp_set,
};
static int
mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
u32 eth_proto_cap, eth_proto_admin, eth_proto_oper;
const struct mlxsw_sp_port_type_speed_ops *ops;
char ptys_pl[MLXSW_REG_PTYS_LEN];
u32 eth_proto_cap_masked;
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, ð_proto_cap,
ð_proto_admin, ð_proto_oper);
eth_proto_cap_masked = ops->ptys_proto_cap_masked_get(eth_proto_cap);
ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
eth_proto_cap_masked,
mlxsw_sp_port->link.autoneg);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
}
int mlxsw_sp_port_speed_get(struct mlxsw_sp_port *mlxsw_sp_port, u32 *speed)
{
const struct mlxsw_sp_port_type_speed_ops *port_type_speed_ops;
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char ptys_pl[MLXSW_REG_PTYS_LEN];
u32 eth_proto_oper;
int err;
port_type_speed_ops = mlxsw_sp->port_type_speed_ops;
port_type_speed_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;
port_type_speed_ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, NULL, NULL,
ð_proto_oper);
*speed = port_type_speed_ops->from_ptys_speed(mlxsw_sp, eth_proto_oper);
return 0;
}
int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port,
enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index,
bool dwrr, u8 dwrr_weight)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char qeec_pl[MLXSW_REG_QEEC_LEN];
mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
next_index);
mlxsw_reg_qeec_de_set(qeec_pl, true);
mlxsw_reg_qeec_dwrr_set(qeec_pl, dwrr);
mlxsw_reg_qeec_dwrr_weight_set(qeec_pl, dwrr_weight);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
}
int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port,
enum mlxsw_reg_qeec_hr hr, u8 index,
u8 next_index, u32 maxrate, u8 burst_size)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char qeec_pl[MLXSW_REG_QEEC_LEN];
mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
next_index);
mlxsw_reg_qeec_mase_set(qeec_pl, true);
mlxsw_reg_qeec_max_shaper_rate_set(qeec_pl, maxrate);
mlxsw_reg_qeec_max_shaper_bs_set(qeec_pl, burst_size);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
}
static int mlxsw_sp_port_min_bw_set(struct mlxsw_sp_port *mlxsw_sp_port,
enum mlxsw_reg_qeec_hr hr, u8 index,
u8 next_index, u32 minrate)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char qeec_pl[MLXSW_REG_QEEC_LEN];
mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
next_index);
mlxsw_reg_qeec_mise_set(qeec_pl, true);
mlxsw_reg_qeec_min_shaper_rate_set(qeec_pl, minrate);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
}
int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port,
u8 switch_prio, u8 tclass)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char qtct_pl[MLXSW_REG_QTCT_LEN];
mlxsw_reg_qtct_pack(qtct_pl, mlxsw_sp_port->local_port, switch_prio,
tclass);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtct), qtct_pl);
}
static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port)
{
int err, i;
err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HR_GROUP, 0, 0, false, 0);
if (err)
return err;
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HR_SUBGROUP, i,
0, false, 0);
if (err)
return err;
}
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HR_TC, i, i,
false, 0);
if (err)
return err;
err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HR_TC,
i + 8, i,
true, 100);
if (err)
return err;
}
err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HR_PORT, 0, 0,
MLXSW_REG_QEEC_MAS_DIS, 0);
if (err)
return err;
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HR_SUBGROUP,
i, 0,
MLXSW_REG_QEEC_MAS_DIS, 0);
if (err)
return err;
}
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HR_TC,
i, i,
MLXSW_REG_QEEC_MAS_DIS, 0);
if (err)
return err;
err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HR_TC,
i + 8, i,
MLXSW_REG_QEEC_MAS_DIS, 0);
if (err)
return err;
}
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_min_bw_set(mlxsw_sp_port,
MLXSW_REG_QEEC_HR_TC,
i + 8, i,
MLXSW_REG_QEEC_MIS_MIN);
if (err)
return err;
}
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
err = mlxsw_sp_port_prio_tc_set(mlxsw_sp_port, i, 0);
if (err)
return err;
}
return 0;
}
static int mlxsw_sp_port_tc_mc_mode_set(struct mlxsw_sp_port *mlxsw_sp_port,
bool enable)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char qtctm_pl[MLXSW_REG_QTCTM_LEN];
mlxsw_reg_qtctm_pack(qtctm_pl, mlxsw_sp_port->local_port, enable);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtctm), qtctm_pl);
}
static int mlxsw_sp_port_overheat_init_val_set(struct mlxsw_sp_port *mlxsw_sp_port)
{
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;
u64 overheat_counter;
int err;
err = mlxsw_env_module_overheat_counter_get(mlxsw_sp->core, slot_index,
module, &overheat_counter);
if (err)
return err;
mlxsw_sp_port->module_overheat_initial_val = overheat_counter;
return 0;
}
int
mlxsw_sp_port_vlan_classification_set(struct mlxsw_sp_port *mlxsw_sp_port,
bool is_8021ad_tagged,
bool is_8021q_tagged)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char spvc_pl[MLXSW_REG_SPVC_LEN];
mlxsw_reg_spvc_pack(spvc_pl, mlxsw_sp_port->local_port,
is_8021ad_tagged, is_8021q_tagged);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvc), spvc_pl);
}
static int mlxsw_sp_port_label_info_get(struct mlxsw_sp *mlxsw_sp,
u16 local_port, u8 *port_number,
u8 *split_port_subnumber,
u8 *slot_index)
{
char pllp_pl[MLXSW_REG_PLLP_LEN];
int err;
mlxsw_reg_pllp_pack(pllp_pl, local_port);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pllp), pllp_pl);
if (err)
return err;
mlxsw_reg_pllp_unpack(pllp_pl, port_number,
split_port_subnumber, slot_index);
return 0;
}
static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u16 local_port,
bool split,
struct mlxsw_sp_port_mapping *port_mapping)
{
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
struct mlxsw_sp_port *mlxsw_sp_port;
u32 lanes = port_mapping->width;
u8 split_port_subnumber;
struct net_device *dev;
u8 port_number;
u8 slot_index;
bool splittable;
int err;
err = mlxsw_sp_port_module_map(mlxsw_sp, local_port, port_mapping);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to map module\n",
local_port);
return err;
}
err = mlxsw_sp_port_swid_set(mlxsw_sp, local_port, 0);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n",
local_port);
goto err_port_swid_set;
}
err = mlxsw_sp_port_label_info_get(mlxsw_sp, local_port, &port_number,
&split_port_subnumber, &slot_index);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to get port label information\n",
local_port);
goto err_port_label_info_get;
}
splittable = lanes > 1 && !split;
err = mlxsw_core_port_init(mlxsw_sp->core, local_port, slot_index,
port_number, split, split_port_subnumber,
splittable, lanes, mlxsw_sp->base_mac,
sizeof(mlxsw_sp->base_mac));
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to init core port\n",
local_port);
goto err_core_port_init;
}
dev = alloc_etherdev(sizeof(struct mlxsw_sp_port));
if (!dev) {
err = -ENOMEM;
goto err_alloc_etherdev;
}
SET_NETDEV_DEV(dev, mlxsw_sp->bus_info->dev);
dev_net_set(dev, mlxsw_sp_net(mlxsw_sp));
mlxsw_sp_port = netdev_priv(dev);
mlxsw_core_port_netdev_link(mlxsw_sp->core, local_port,
mlxsw_sp_port, dev);
mlxsw_sp_port->dev = dev;
mlxsw_sp_port->mlxsw_sp = mlxsw_sp;
mlxsw_sp_port->local_port = local_port;
mlxsw_sp_port->pvid = MLXSW_SP_DEFAULT_VID;
mlxsw_sp_port->split = split;
mlxsw_sp_port->mapping = *port_mapping;
mlxsw_sp_port->link.autoneg = 1;
INIT_LIST_HEAD(&mlxsw_sp_port->vlans_list);
mlxsw_sp_port->pcpu_stats =
netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats);
if (!mlxsw_sp_port->pcpu_stats) {
err = -ENOMEM;
goto err_alloc_stats;
}
INIT_DELAYED_WORK(&mlxsw_sp_port->periodic_hw_stats.update_dw,
&update_stats_cache);
dev->netdev_ops = &mlxsw_sp_port_netdev_ops;
dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops;
err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n",
mlxsw_sp_port->local_port);
goto err_dev_addr_init;
}
netif_carrier_off(dev);
dev->features |= NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_FILTER |
NETIF_F_HW_TC | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
dev->hw_features |= NETIF_F_HW_TC | NETIF_F_LOOPBACK |
NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
dev->lltx = true;
dev->netns_immutable = true;
dev->min_mtu = ETH_MIN_MTU;
dev->max_mtu = MLXSW_PORT_MAX_MTU - MLXSW_PORT_ETH_FRAME_HDR;
dev->needed_headroom = MLXSW_TXHDR_LEN;
err = mlxsw_sp_port_system_port_mapping_set(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set system port mapping\n",
mlxsw_sp_port->local_port);
goto err_port_system_port_mapping_set;
}
err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n",
mlxsw_sp_port->local_port);
goto err_port_speed_by_width_set;
}
err = mlxsw_sp->port_type_speed_ops->ptys_max_speed(mlxsw_sp_port,
&mlxsw_sp_port->max_speed);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to get maximum speed\n",
mlxsw_sp_port->local_port);
goto err_max_speed_get;
}
err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, ETH_DATA_LEN);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set MTU\n",
mlxsw_sp_port->local_port);
goto err_port_mtu_set;
}
err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
if (err)
goto err_port_admin_status_set;
err = mlxsw_sp_port_buffers_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize buffers\n",
mlxsw_sp_port->local_port);
goto err_port_buffers_init;
}
err = mlxsw_sp_port_ets_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize ETS\n",
mlxsw_sp_port->local_port);
goto err_port_ets_init;
}
err = mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, true);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC MC mode\n",
mlxsw_sp_port->local_port);
goto err_port_tc_mc_mode;
}
err = mlxsw_sp_port_dcb_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize DCB\n",
mlxsw_sp_port->local_port);
goto err_port_dcb_init;
}
err = mlxsw_sp_port_fids_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize FIDs\n",
mlxsw_sp_port->local_port);
goto err_port_fids_init;
}
err = mlxsw_sp_tc_qdisc_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC qdiscs\n",
mlxsw_sp_port->local_port);
goto err_port_qdiscs_init;
}
err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 0, VLAN_N_VID - 1, false,
false);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to clear VLAN filter\n",
mlxsw_sp_port->local_port);
goto err_port_vlan_clear;
}
err = mlxsw_sp_port_nve_init(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize NVE\n",
mlxsw_sp_port->local_port);
goto err_port_nve_init;
}
err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID,
ETH_P_8021Q);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set PVID\n",
mlxsw_sp_port->local_port);
goto err_port_pvid_set;
}
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_create(mlxsw_sp_port,
MLXSW_SP_DEFAULT_VID);
if (IS_ERR(mlxsw_sp_port_vlan)) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create VID 1\n",
mlxsw_sp_port->local_port);
err = PTR_ERR(mlxsw_sp_port_vlan);
goto err_port_vlan_create;
}
mlxsw_sp_port->default_vlan = mlxsw_sp_port_vlan;
err = mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, false, true);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set default VLAN classification\n",
local_port);
goto err_port_vlan_classification_set;
}
INIT_DELAYED_WORK(&mlxsw_sp_port->ptp.shaper_dw,
mlxsw_sp->ptp_ops->shaper_work);
mlxsw_sp->ports[local_port] = mlxsw_sp_port;
err = mlxsw_sp_port_overheat_init_val_set(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set overheat initial value\n",
mlxsw_sp_port->local_port);
goto err_port_overheat_init_val_set;
}
err = register_netdev(dev);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register netdev\n",
mlxsw_sp_port->local_port);
goto err_register_netdev;
}
mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, 0);
return 0;
err_register_netdev:
err_port_overheat_init_val_set:
mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, true, true);
err_port_vlan_classification_set:
mlxsw_sp->ports[local_port] = NULL;
mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
err_port_vlan_create:
err_port_pvid_set:
mlxsw_sp_port_nve_fini(mlxsw_sp_port);
err_port_nve_init:
err_port_vlan_clear:
mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port);
err_port_qdiscs_init:
mlxsw_sp_port_fids_fini(mlxsw_sp_port);
err_port_fids_init:
mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
err_port_dcb_init:
mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
err_port_tc_mc_mode:
err_port_ets_init:
mlxsw_sp_port_buffers_fini(mlxsw_sp_port);
err_port_buffers_init:
err_port_admin_status_set:
err_port_mtu_set:
err_max_speed_get:
err_port_speed_by_width_set:
err_port_system_port_mapping_set:
err_dev_addr_init:
free_percpu(mlxsw_sp_port->pcpu_stats);
err_alloc_stats:
free_netdev(dev);
err_alloc_etherdev:
mlxsw_core_port_fini(mlxsw_sp->core, local_port);
err_core_port_init:
err_port_label_info_get:
mlxsw_sp_port_swid_set(mlxsw_sp, local_port,
MLXSW_PORT_SWID_DISABLED_PORT);
err_port_swid_set:
mlxsw_sp_port_module_unmap(mlxsw_sp, local_port,
port_mapping->slot_index,
port_mapping->module);
return err;
}
static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u16 local_port)
{
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
u8 slot_index = mlxsw_sp_port->mapping.slot_index;
u8 module = mlxsw_sp_port->mapping.module;
cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw);
cancel_delayed_work_sync(&mlxsw_sp_port->ptp.shaper_dw);
unregister_netdev(mlxsw_sp_port->dev);
mlxsw_sp_port_ptp_clear(mlxsw_sp_port);
mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, true, true);
mlxsw_sp->ports[local_port] = NULL;
mlxsw_sp_port_vlan_flush(mlxsw_sp_port, true);
mlxsw_sp_port_nve_fini(mlxsw_sp_port);
mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port);
mlxsw_sp_port_fids_fini(mlxsw_sp_port);
mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
mlxsw_sp_port_buffers_fini(mlxsw_sp_port);
free_percpu(mlxsw_sp_port->pcpu_stats);
WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vlans_list));
free_netdev(mlxsw_sp_port->dev);
mlxsw_core_port_fini(mlxsw_sp->core, local_port);
mlxsw_sp_port_swid_set(mlxsw_sp, local_port,
MLXSW_PORT_SWID_DISABLED_PORT);
mlxsw_sp_port_module_unmap(mlxsw_sp, local_port, slot_index, module);
}
static int mlxsw_sp_cpu_port_create(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_port *mlxsw_sp_port;
int err;
mlxsw_sp_port = kzalloc_obj(*mlxsw_sp_port);
if (!mlxsw_sp_port)
return -ENOMEM;
mlxsw_sp_port->mlxsw_sp = mlxsw_sp;
mlxsw_sp_port->local_port = MLXSW_PORT_CPU_PORT;
err = mlxsw_core_cpu_port_init(mlxsw_sp->core,
mlxsw_sp_port,
mlxsw_sp->base_mac,
sizeof(mlxsw_sp->base_mac));
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize core CPU port\n");
goto err_core_cpu_port_init;
}
mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = mlxsw_sp_port;
return 0;
err_core_cpu_port_init:
kfree(mlxsw_sp_port);
return err;
}
static void mlxsw_sp_cpu_port_remove(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_port *mlxsw_sp_port =
mlxsw_sp->ports[MLXSW_PORT_CPU_PORT];
mlxsw_core_cpu_port_fini(mlxsw_sp->core);
mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = NULL;
kfree(mlxsw_sp_port);
}
static bool mlxsw_sp_local_port_valid(u16 local_port)
{
return local_port != MLXSW_PORT_CPU_PORT;
}
static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u16 local_port)
{
if (!mlxsw_sp_local_port_valid(local_port))
return false;
return mlxsw_sp->ports[local_port] != NULL;
}
static int mlxsw_sp_port_mapping_event_set(struct mlxsw_sp *mlxsw_sp,
u16 local_port, bool enable)
{
char pmecr_pl[MLXSW_REG_PMECR_LEN];
mlxsw_reg_pmecr_pack(pmecr_pl, local_port,
enable ? MLXSW_REG_PMECR_E_GENERATE_EVENT :
MLXSW_REG_PMECR_E_DO_NOT_GENERATE_EVENT);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmecr), pmecr_pl);
}
struct mlxsw_sp_port_mapping_event {
struct list_head list;
char pmlp_pl[MLXSW_REG_PMLP_LEN];
};
static void mlxsw_sp_port_mapping_events_work(struct work_struct *work)
{
struct mlxsw_sp_port_mapping_event *event, *next_event;
struct mlxsw_sp_port_mapping_events *events;
struct mlxsw_sp_port_mapping port_mapping;
struct mlxsw_sp *mlxsw_sp;
struct devlink *devlink;
LIST_HEAD(event_queue);
u16 local_port;
int err;
events = container_of(work, struct mlxsw_sp_port_mapping_events, work);
mlxsw_sp = container_of(events, struct mlxsw_sp, port_mapping_events);
devlink = priv_to_devlink(mlxsw_sp->core);
spin_lock_bh(&events->queue_lock);
list_splice_init(&events->queue, &event_queue);
spin_unlock_bh(&events->queue_lock);
list_for_each_entry_safe(event, next_event, &event_queue, list) {
local_port = mlxsw_reg_pmlp_local_port_get(event->pmlp_pl);
err = mlxsw_sp_port_module_info_parse(mlxsw_sp, local_port,
event->pmlp_pl, &port_mapping);
if (err)
goto out;
if (WARN_ON_ONCE(!port_mapping.width))
goto out;
devl_lock(devlink);
if (!mlxsw_sp_port_created(mlxsw_sp, local_port))
mlxsw_sp_port_create(mlxsw_sp, local_port,
false, &port_mapping);
else
WARN_ON_ONCE(1);
devl_unlock(devlink);
mlxsw_sp->port_mapping[local_port] = port_mapping;
out:
kfree(event);
}
}
static void
mlxsw_sp_port_mapping_listener_func(const struct mlxsw_reg_info *reg,
char *pmlp_pl, void *priv)
{
struct mlxsw_sp_port_mapping_events *events;
struct mlxsw_sp_port_mapping_event *event;
struct mlxsw_sp *mlxsw_sp = priv;
u16 local_port;
local_port = mlxsw_reg_pmlp_local_port_get(pmlp_pl);
if (WARN_ON_ONCE(!mlxsw_sp_local_port_is_valid(mlxsw_sp, local_port)))
return;
events = &mlxsw_sp->port_mapping_events;
event = kmalloc_obj(*event, GFP_ATOMIC);
if (!event)
return;
memcpy(event->pmlp_pl, pmlp_pl, sizeof(event->pmlp_pl));
spin_lock(&events->queue_lock);
list_add_tail(&event->list, &events->queue);
spin_unlock(&events->queue_lock);
mlxsw_core_schedule_work(&events->work);
}
static void
__mlxsw_sp_port_mapping_events_cancel(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_port_mapping_event *event, *next_event;
struct mlxsw_sp_port_mapping_events *events;
events = &mlxsw_sp->port_mapping_events;
cancel_work_sync(&events->work);
list_for_each_entry_safe(event, next_event, &events->queue, list) {
list_del(&event->list);
kfree(event);
}
}
static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp)
{
unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
int i;
for (i = 1; i < max_ports; i++)
mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, false);
__mlxsw_sp_port_mapping_events_cancel(mlxsw_sp);
for (i = 1; i < max_ports; i++)
if (mlxsw_sp_port_created(mlxsw_sp, i))
mlxsw_sp_port_remove(mlxsw_sp, i);
mlxsw_sp_cpu_port_remove(mlxsw_sp);
kfree(mlxsw_sp->ports);
mlxsw_sp->ports = NULL;
}
static void
mlxsw_sp_ports_remove_selected(struct mlxsw_core *mlxsw_core,
bool (*selector)(void *priv, u16 local_port),
void *priv)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
unsigned int max_ports = mlxsw_core_max_ports(mlxsw_core);
int i;
for (i = 1; i < max_ports; i++)
if (mlxsw_sp_port_created(mlxsw_sp, i) && selector(priv, i))
mlxsw_sp_port_remove(mlxsw_sp, i);
}
static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp)
{
unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
struct mlxsw_sp_port_mapping_events *events;
struct mlxsw_sp_port_mapping *port_mapping;
size_t alloc_size;
int i;
int err;
alloc_size = sizeof(struct mlxsw_sp_port *) * max_ports;
mlxsw_sp->ports = kzalloc(alloc_size, GFP_KERNEL);
if (!mlxsw_sp->ports)
return -ENOMEM;
events = &mlxsw_sp->port_mapping_events;
INIT_LIST_HEAD(&events->queue);
spin_lock_init(&events->queue_lock);
INIT_WORK(&events->work, mlxsw_sp_port_mapping_events_work);
for (i = 1; i < max_ports; i++) {
err = mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, true);
if (err)
goto err_event_enable;
}
err = mlxsw_sp_cpu_port_create(mlxsw_sp);
if (err)
goto err_cpu_port_create;
for (i = 1; i < max_ports; i++) {
port_mapping = &mlxsw_sp->port_mapping[i];
if (!port_mapping->width)
continue;
err = mlxsw_sp_port_create(mlxsw_sp, i, false, port_mapping);
if (err)
goto err_port_create;
}
return 0;
err_port_create:
for (i--; i >= 1; i--)
if (mlxsw_sp_port_created(mlxsw_sp, i))
mlxsw_sp_port_remove(mlxsw_sp, i);
i = max_ports;
mlxsw_sp_cpu_port_remove(mlxsw_sp);
err_cpu_port_create:
err_event_enable:
for (i--; i >= 1; i--)
mlxsw_sp_port_mapping_event_set(mlxsw_sp, i, false);
__mlxsw_sp_port_mapping_events_cancel(mlxsw_sp);
kfree(mlxsw_sp->ports);
mlxsw_sp->ports = NULL;
return err;
}
static int mlxsw_sp_port_module_info_init(struct mlxsw_sp *mlxsw_sp)
{
unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
struct mlxsw_sp_port_mapping *port_mapping;
int i;
int err;
mlxsw_sp->port_mapping = kzalloc_objs(struct mlxsw_sp_port_mapping,
max_ports);
if (!mlxsw_sp->port_mapping)
return -ENOMEM;
for (i = 1; i < max_ports; i++) {
port_mapping = &mlxsw_sp->port_mapping[i];
err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, port_mapping);
if (err)
goto err_port_module_info_get;
}
return 0;
err_port_module_info_get:
kfree(mlxsw_sp->port_mapping);
return err;
}
static void mlxsw_sp_port_module_info_fini(struct mlxsw_sp *mlxsw_sp)
{
kfree(mlxsw_sp->port_mapping);
}
static int
mlxsw_sp_port_split_create(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_port_mapping *port_mapping,
unsigned int count, const char *pmtdb_pl)
{
struct mlxsw_sp_port_mapping split_port_mapping;
int err, i;
split_port_mapping = *port_mapping;
split_port_mapping.width /= count;
for (i = 0; i < count; i++) {
u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i);
if (!mlxsw_sp_local_port_valid(s_local_port))
continue;
err = mlxsw_sp_port_create(mlxsw_sp, s_local_port,
true, &split_port_mapping);
if (err)
goto err_port_create;
split_port_mapping.lane += split_port_mapping.width;
}
return 0;
err_port_create:
for (i--; i >= 0; i--) {
u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i);
if (mlxsw_sp_port_created(mlxsw_sp, s_local_port))
mlxsw_sp_port_remove(mlxsw_sp, s_local_port);
}
return err;
}
static void mlxsw_sp_port_unsplit_create(struct mlxsw_sp *mlxsw_sp,
unsigned int count,
const char *pmtdb_pl)
{
struct mlxsw_sp_port_mapping *port_mapping;
int i;
for (i = 0; i < count; i++) {
u16 local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i);
port_mapping = &mlxsw_sp->port_mapping[local_port];
if (!port_mapping->width || !mlxsw_sp_local_port_valid(local_port))
continue;
mlxsw_sp_port_create(mlxsw_sp, local_port,
false, port_mapping);
}
}
static struct mlxsw_sp_port *
mlxsw_sp_port_get_by_local_port(struct mlxsw_sp *mlxsw_sp, u16 local_port)
{
if (mlxsw_sp->ports && mlxsw_sp->ports[local_port])
return mlxsw_sp->ports[local_port];
return NULL;
}
static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u16 local_port,
unsigned int count,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
struct mlxsw_sp_port_mapping port_mapping;
struct mlxsw_sp_port *mlxsw_sp_port;
enum mlxsw_reg_pmtdb_status status;
char pmtdb_pl[MLXSW_REG_PMTDB_LEN];
int i;
int err;
mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port);
if (!mlxsw_sp_port) {
dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
local_port);
NL_SET_ERR_MSG_MOD(extack, "Port number does not exist");
return -EINVAL;
}
if (mlxsw_sp_port->split) {
NL_SET_ERR_MSG_MOD(extack, "Port is already split");
return -EINVAL;
}
mlxsw_reg_pmtdb_pack(pmtdb_pl, mlxsw_sp_port->mapping.slot_index,
mlxsw_sp_port->mapping.module,
mlxsw_sp_port->mapping.module_width / count,
count);
err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(pmtdb), pmtdb_pl);
if (err) {
NL_SET_ERR_MSG_MOD(extack, "Failed to query split info");
return err;
}
status = mlxsw_reg_pmtdb_status_get(pmtdb_pl);
if (status != MLXSW_REG_PMTDB_STATUS_SUCCESS) {
NL_SET_ERR_MSG_MOD(extack, "Unsupported split configuration");
return -EINVAL;
}
port_mapping = mlxsw_sp_port->mapping;
for (i = 0; i < count; i++) {
u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i);
if (mlxsw_sp_port_created(mlxsw_sp, s_local_port))
mlxsw_sp_port_remove(mlxsw_sp, s_local_port);
}
err = mlxsw_sp_port_split_create(mlxsw_sp, &port_mapping,
count, pmtdb_pl);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to create split ports\n");
goto err_port_split_create;
}
return 0;
err_port_split_create:
mlxsw_sp_port_unsplit_create(mlxsw_sp, count, pmtdb_pl);
return err;
}
static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u16 local_port,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
struct mlxsw_sp_port *mlxsw_sp_port;
char pmtdb_pl[MLXSW_REG_PMTDB_LEN];
unsigned int count;
int i;
int err;
mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port);
if (!mlxsw_sp_port) {
dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
local_port);
NL_SET_ERR_MSG_MOD(extack, "Port number does not exist");
return -EINVAL;
}
if (!mlxsw_sp_port->split) {
NL_SET_ERR_MSG_MOD(extack, "Port was not split");
return -EINVAL;
}
count = mlxsw_sp_port->mapping.module_width /
mlxsw_sp_port->mapping.width;
mlxsw_reg_pmtdb_pack(pmtdb_pl, mlxsw_sp_port->mapping.slot_index,
mlxsw_sp_port->mapping.module,
mlxsw_sp_port->mapping.module_width / count,
count);
err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(pmtdb), pmtdb_pl);
if (err) {
NL_SET_ERR_MSG_MOD(extack, "Failed to query split info");
return err;
}
for (i = 0; i < count; i++) {
u16 s_local_port = mlxsw_reg_pmtdb_port_num_get(pmtdb_pl, i);
if (mlxsw_sp_port_created(mlxsw_sp, s_local_port))
mlxsw_sp_port_remove(mlxsw_sp, s_local_port);
}
mlxsw_sp_port_unsplit_create(mlxsw_sp, count, pmtdb_pl);
return 0;
}
static void
mlxsw_sp_port_down_wipe_counters(struct mlxsw_sp_port *mlxsw_sp_port)
{
int i;
for (i = 0; i < TC_MAX_QUEUE; i++)
mlxsw_sp_port->periodic_hw_stats.xstats.backlog[i] = 0;
}
static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg,
char *pude_pl, void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
struct mlxsw_sp_port *mlxsw_sp_port;
enum mlxsw_reg_pude_oper_status status;
u16 local_port;
local_port = mlxsw_reg_pude_local_port_get(pude_pl);
if (WARN_ON_ONCE(!mlxsw_sp_local_port_is_valid(mlxsw_sp, local_port)))
return;
mlxsw_sp_port = mlxsw_sp->ports[local_port];
if (!mlxsw_sp_port)
return;
status = mlxsw_reg_pude_oper_status_get(pude_pl);
if (status == MLXSW_PORT_OPER_STATUS_UP) {
netdev_info(mlxsw_sp_port->dev, "link up\n");
netif_carrier_on(mlxsw_sp_port->dev);
mlxsw_core_schedule_dw(&mlxsw_sp_port->ptp.shaper_dw, 0);
} else {
netdev_info(mlxsw_sp_port->dev, "link down\n");
netif_carrier_off(mlxsw_sp_port->dev);
mlxsw_sp_port_down_wipe_counters(mlxsw_sp_port);
}
}
static void mlxsw_sp1_ptp_fifo_event_func(struct mlxsw_sp *mlxsw_sp,
char *mtpptr_pl, bool ingress)
{
u16 local_port;
u8 num_rec;
int i;
local_port = mlxsw_reg_mtpptr_local_port_get(mtpptr_pl);
num_rec = mlxsw_reg_mtpptr_num_rec_get(mtpptr_pl);
for (i = 0; i < num_rec; i++) {
u8 domain_number;
u8 message_type;
u16 sequence_id;
u64 timestamp;
mlxsw_reg_mtpptr_unpack(mtpptr_pl, i, &message_type,
&domain_number, &sequence_id,
×tamp);
mlxsw_sp1_ptp_got_timestamp(mlxsw_sp, ingress, local_port,
message_type, domain_number,
sequence_id, timestamp);
}
}
static void mlxsw_sp1_ptp_ing_fifo_event_func(const struct mlxsw_reg_info *reg,
char *mtpptr_pl, void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, true);
}
static void mlxsw_sp1_ptp_egr_fifo_event_func(const struct mlxsw_reg_info *reg,
char *mtpptr_pl, void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, false);
}
void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb,
u16 local_port, void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
struct mlxsw_sp_port_pcpu_stats *pcpu_stats;
if (unlikely(!mlxsw_sp_port)) {
dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: skb received for non-existent port\n",
local_port);
return;
}
skb->dev = mlxsw_sp_port->dev;
pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats);
u64_stats_update_begin(&pcpu_stats->syncp);
pcpu_stats->rx_packets++;
pcpu_stats->rx_bytes += skb->len;
u64_stats_update_end(&pcpu_stats->syncp);
skb->protocol = eth_type_trans(skb, skb->dev);
napi_gro_receive(mlxsw_skb_cb(skb)->rx_md_info.napi, skb);
}
static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u16 local_port,
void *priv)
{
skb->offload_fwd_mark = 1;
return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
}
static void mlxsw_sp_rx_listener_l3_mark_func(struct sk_buff *skb,
u16 local_port, void *priv)
{
skb->offload_l3_fwd_mark = 1;
skb->offload_fwd_mark = 1;
return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
}
void mlxsw_sp_ptp_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
u16 local_port)
{
mlxsw_sp->ptp_ops->receive(mlxsw_sp, skb, local_port);
}
#define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action, \
_is_ctrl, SP_##_trap_group, DISCARD)
#define MLXSW_SP_RXL_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action, \
_is_ctrl, SP_##_trap_group, DISCARD)
#define MLXSW_SP_RXL_L3_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
MLXSW_RXL(mlxsw_sp_rx_listener_l3_mark_func, _trap_id, _action, \
_is_ctrl, SP_##_trap_group, DISCARD)
#define MLXSW_SP_EVENTL(_func, _trap_id) \
MLXSW_EVENTL(_func, _trap_id, SP_EVENT)
static const struct mlxsw_listener mlxsw_sp_listener[] = {
MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE),
MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, FID_MISS, false),
MLXSW_SP_RXL_MARK(IPV6_UNSPECIFIED_ADDRESS, TRAP_TO_CPU, ROUTER_EXP,
false),
MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_SRC, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(IPV6_MC_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP,
false),
MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_CLASS_E, FORWARD,
ROUTER_EXP, false),
MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_MC_DMAC, FORWARD,
ROUTER_EXP, false),
MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_DIP, FORWARD,
ROUTER_EXP, false),
MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_DIP_LINK_LOCAL, FORWARD,
ROUTER_EXP, false),
MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_LINK_LOCAL, FORWARD,
ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(ACL1, TRAP_TO_CPU, MULTICAST, false),
MLXSW_SP_RXL_L3_MARK(ACL2, TRAP_TO_CPU, MULTICAST, false),
};
static const struct mlxsw_listener mlxsw_sp1_listener[] = {
MLXSW_EVENTL(mlxsw_sp1_ptp_egr_fifo_event_func, PTP_EGR_FIFO, SP_PTP0),
MLXSW_EVENTL(mlxsw_sp1_ptp_ing_fifo_event_func, PTP_ING_FIFO, SP_PTP0),
};
static const struct mlxsw_listener mlxsw_sp2_listener[] = {
MLXSW_SP_EVENTL(mlxsw_sp_port_mapping_listener_func, PMLPE),
};
static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
char qpcr_pl[MLXSW_REG_QPCR_LEN];
enum mlxsw_reg_qpcr_ir_units ir_units;
int max_cpu_policers;
bool is_bytes;
u8 burst_size;
u32 rate;
int i, err;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_CPU_POLICERS))
return -EIO;
max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);
ir_units = MLXSW_REG_QPCR_IR_UNITS_M;
for (i = 0; i < max_cpu_policers; i++) {
is_bytes = false;
switch (i) {
case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_FID_MISS:
rate = 1024;
burst_size = 7;
break;
default:
continue;
}
__set_bit(i, mlxsw_sp->trap->policers_usage);
mlxsw_reg_qpcr_pack(qpcr_pl, i, ir_units, is_bytes, rate,
burst_size);
err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(qpcr), qpcr_pl);
if (err)
return err;
}
return 0;
}
static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core)
{
char htgt_pl[MLXSW_REG_HTGT_LEN];
enum mlxsw_reg_htgt_trap_group i;
int max_cpu_policers;
int max_trap_groups;
u8 priority, tc;
u16 policer_id;
int err;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_TRAP_GROUPS))
return -EIO;
max_trap_groups = MLXSW_CORE_RES_GET(mlxsw_core, MAX_TRAP_GROUPS);
max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);
for (i = 0; i < max_trap_groups; i++) {
policer_id = i;
switch (i) {
case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_FID_MISS:
priority = 1;
tc = 1;
break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT:
priority = MLXSW_REG_HTGT_DEFAULT_PRIORITY;
tc = MLXSW_REG_HTGT_DEFAULT_TC;
policer_id = MLXSW_REG_HTGT_INVALID_POLICER;
break;
default:
continue;
}
if (max_cpu_policers <= policer_id &&
policer_id != MLXSW_REG_HTGT_INVALID_POLICER)
return -EIO;
mlxsw_reg_htgt_pack(htgt_pl, i, policer_id, priority, tc);
err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
if (err)
return err;
}
return 0;
}
static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_trap *trap;
u64 max_policers;
int err;
if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_CPU_POLICERS))
return -EIO;
max_policers = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_CPU_POLICERS);
trap = kzalloc_flex(*trap, policers_usage, BITS_TO_LONGS(max_policers));
if (!trap)
return -ENOMEM;
trap->max_policers = max_policers;
mlxsw_sp->trap = trap;
err = mlxsw_sp_cpu_policers_set(mlxsw_sp->core);
if (err)
goto err_cpu_policers_set;
err = mlxsw_sp_trap_groups_set(mlxsw_sp->core);
if (err)
goto err_trap_groups_set;
err = mlxsw_core_traps_register(mlxsw_sp->core, mlxsw_sp_listener,
ARRAY_SIZE(mlxsw_sp_listener),
mlxsw_sp);
if (err)
goto err_traps_register;
err = mlxsw_core_traps_register(mlxsw_sp->core, mlxsw_sp->listeners,
mlxsw_sp->listeners_count, mlxsw_sp);
if (err)
goto err_extra_traps_init;
return 0;
err_extra_traps_init:
mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp_listener,
ARRAY_SIZE(mlxsw_sp_listener),
mlxsw_sp);
err_traps_register:
err_trap_groups_set:
err_cpu_policers_set:
kfree(trap);
return err;
}
static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp->listeners,
mlxsw_sp->listeners_count,
mlxsw_sp);
mlxsw_core_traps_unregister(mlxsw_sp->core, mlxsw_sp_listener,
ARRAY_SIZE(mlxsw_sp_listener), mlxsw_sp);
kfree(mlxsw_sp->trap);
}
static int mlxsw_sp_lag_pgt_init(struct mlxsw_sp *mlxsw_sp)
{
char sgcr_pl[MLXSW_REG_SGCR_LEN];
int err;
if (mlxsw_core_lag_mode(mlxsw_sp->core) !=
MLXSW_CMD_MBOX_CONFIG_PROFILE_LAG_MODE_SW)
return 0;
err = mlxsw_sp_pgt_mid_alloc_range(mlxsw_sp, &mlxsw_sp->lag_pgt_base,
mlxsw_sp->max_lag * 8);
if (err)
return err;
if (WARN_ON_ONCE(mlxsw_sp->lag_pgt_base % 8)) {
err = -EINVAL;
goto err_mid_alloc_range;
}
mlxsw_reg_sgcr_pack(sgcr_pl, mlxsw_sp->lag_pgt_base);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sgcr), sgcr_pl);
if (err)
goto err_mid_alloc_range;
return 0;
err_mid_alloc_range:
mlxsw_sp_pgt_mid_free_range(mlxsw_sp, mlxsw_sp->lag_pgt_base,
mlxsw_sp->max_lag * 8);
return err;
}
static void mlxsw_sp_lag_pgt_fini(struct mlxsw_sp *mlxsw_sp)
{
if (mlxsw_core_lag_mode(mlxsw_sp->core) !=
MLXSW_CMD_MBOX_CONFIG_PROFILE_LAG_MODE_SW)
return;
mlxsw_sp_pgt_mid_free_range(mlxsw_sp, mlxsw_sp->lag_pgt_base,
mlxsw_sp->max_lag * 8);
}
#define MLXSW_SP_LAG_SEED_INIT 0xcafecafe
struct mlxsw_sp_lag {
struct net_device *dev;
refcount_t ref_count;
u16 lag_id;
};
static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp)
{
char slcr_pl[MLXSW_REG_SLCR_LEN];
u32 seed;
int err;
seed = jhash(mlxsw_sp->base_mac, sizeof(mlxsw_sp->base_mac),
MLXSW_SP_LAG_SEED_INIT);
mlxsw_reg_slcr_pack(slcr_pl, MLXSW_REG_SLCR_LAG_HASH_SMAC |
MLXSW_REG_SLCR_LAG_HASH_DMAC |
MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE |
MLXSW_REG_SLCR_LAG_HASH_VLANID |
MLXSW_REG_SLCR_LAG_HASH_SIP |
MLXSW_REG_SLCR_LAG_HASH_DIP |
MLXSW_REG_SLCR_LAG_HASH_SPORT |
MLXSW_REG_SLCR_LAG_HASH_DPORT |
MLXSW_REG_SLCR_LAG_HASH_IPPROTO, seed);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcr), slcr_pl);
if (err)
return err;
err = mlxsw_core_max_lag(mlxsw_sp->core, &mlxsw_sp->max_lag);
if (err)
return err;
if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS))
return -EIO;
err = mlxsw_sp_lag_pgt_init(mlxsw_sp);
if (err)
return err;
mlxsw_sp->lags = kzalloc_objs(struct mlxsw_sp_lag, mlxsw_sp->max_lag);
if (!mlxsw_sp->lags) {
err = -ENOMEM;
goto err_kcalloc;
}
return 0;
err_kcalloc:
mlxsw_sp_lag_pgt_fini(mlxsw_sp);
return err;
}
static void mlxsw_sp_lag_fini(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_sp_lag_pgt_fini(mlxsw_sp);
kfree(mlxsw_sp->lags);
}
static const struct mlxsw_sp_ptp_ops mlxsw_sp1_ptp_ops = {
.clock_init = mlxsw_sp1_ptp_clock_init,
.clock_fini = mlxsw_sp1_ptp_clock_fini,
.init = mlxsw_sp1_ptp_init,
.fini = mlxsw_sp1_ptp_fini,
.receive = mlxsw_sp1_ptp_receive,
.transmitted = mlxsw_sp1_ptp_transmitted,
.hwtstamp_get = mlxsw_sp1_ptp_hwtstamp_get,
.hwtstamp_set = mlxsw_sp1_ptp_hwtstamp_set,
.shaper_work = mlxsw_sp1_ptp_shaper_work,
#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
.get_ts_info = mlxsw_sp1_ptp_get_ts_info,
#endif
.get_stats_count = mlxsw_sp1_get_stats_count,
.get_stats_strings = mlxsw_sp1_get_stats_strings,
.get_stats = mlxsw_sp1_get_stats,
};
static const struct mlxsw_sp_ptp_ops mlxsw_sp2_ptp_ops = {
.clock_init = mlxsw_sp2_ptp_clock_init,
.clock_fini = mlxsw_sp2_ptp_clock_fini,
.init = mlxsw_sp2_ptp_init,
.fini = mlxsw_sp2_ptp_fini,
.receive = mlxsw_sp2_ptp_receive,
.transmitted = mlxsw_sp2_ptp_transmitted,
.hwtstamp_get = mlxsw_sp2_ptp_hwtstamp_get,
.hwtstamp_set = mlxsw_sp2_ptp_hwtstamp_set,
.shaper_work = mlxsw_sp2_ptp_shaper_work,
#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
.get_ts_info = mlxsw_sp2_ptp_get_ts_info,
#endif
.get_stats_count = mlxsw_sp2_get_stats_count,
.get_stats_strings = mlxsw_sp2_get_stats_strings,
.get_stats = mlxsw_sp2_get_stats,
.tx_as_data = true,
};
static const struct mlxsw_sp_ptp_ops mlxsw_sp4_ptp_ops = {
.clock_init = mlxsw_sp2_ptp_clock_init,
.clock_fini = mlxsw_sp2_ptp_clock_fini,
.init = mlxsw_sp2_ptp_init,
.fini = mlxsw_sp2_ptp_fini,
.receive = mlxsw_sp2_ptp_receive,
.transmitted = mlxsw_sp2_ptp_transmitted,
.hwtstamp_get = mlxsw_sp2_ptp_hwtstamp_get,
.hwtstamp_set = mlxsw_sp2_ptp_hwtstamp_set,
.shaper_work = mlxsw_sp2_ptp_shaper_work,
#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
.get_ts_info = mlxsw_sp2_ptp_get_ts_info,
#endif
.get_stats_count = mlxsw_sp2_get_stats_count,
.get_stats_strings = mlxsw_sp2_get_stats_strings,
.get_stats = mlxsw_sp2_get_stats,
};
struct mlxsw_sp_sample_trigger_node {
struct mlxsw_sp_sample_trigger trigger;
struct mlxsw_sp_sample_params params;
struct rhash_head ht_node;
struct rcu_head rcu;
refcount_t refcount;
};
static const struct rhashtable_params mlxsw_sp_sample_trigger_ht_params = {
.key_offset = offsetof(struct mlxsw_sp_sample_trigger_node, trigger),
.head_offset = offsetof(struct mlxsw_sp_sample_trigger_node, ht_node),
.key_len = sizeof(struct mlxsw_sp_sample_trigger),
.automatic_shrinking = true,
};
static void
mlxsw_sp_sample_trigger_key_init(struct mlxsw_sp_sample_trigger *key,
const struct mlxsw_sp_sample_trigger *trigger)
{
memset(key, 0, sizeof(*key));
key->type = trigger->type;
key->local_port = trigger->local_port;
}
struct mlxsw_sp_sample_params *
mlxsw_sp_sample_trigger_params_lookup(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_sample_trigger *trigger)
{
struct mlxsw_sp_sample_trigger_node *trigger_node;
struct mlxsw_sp_sample_trigger key;
mlxsw_sp_sample_trigger_key_init(&key, trigger);
trigger_node = rhashtable_lookup(&mlxsw_sp->sample_trigger_ht, &key,
mlxsw_sp_sample_trigger_ht_params);
if (!trigger_node)
return NULL;
return &trigger_node->params;
}
static int
mlxsw_sp_sample_trigger_node_init(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_sample_trigger *trigger,
const struct mlxsw_sp_sample_params *params)
{
struct mlxsw_sp_sample_trigger_node *trigger_node;
int err;
trigger_node = kzalloc_obj(*trigger_node);
if (!trigger_node)
return -ENOMEM;
trigger_node->trigger = *trigger;
trigger_node->params = *params;
refcount_set(&trigger_node->refcount, 1);
err = rhashtable_insert_fast(&mlxsw_sp->sample_trigger_ht,
&trigger_node->ht_node,
mlxsw_sp_sample_trigger_ht_params);
if (err)
goto err_rhashtable_insert;
return 0;
err_rhashtable_insert:
kfree(trigger_node);
return err;
}
static void
mlxsw_sp_sample_trigger_node_fini(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_sample_trigger_node *trigger_node)
{
rhashtable_remove_fast(&mlxsw_sp->sample_trigger_ht,
&trigger_node->ht_node,
mlxsw_sp_sample_trigger_ht_params);
kfree_rcu(trigger_node, rcu);
}
int
mlxsw_sp_sample_trigger_params_set(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_sample_trigger *trigger,
const struct mlxsw_sp_sample_params *params,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp_sample_trigger_node *trigger_node;
struct mlxsw_sp_sample_trigger key;
ASSERT_RTNL();
mlxsw_sp_sample_trigger_key_init(&key, trigger);
trigger_node = rhashtable_lookup_fast(&mlxsw_sp->sample_trigger_ht,
&key,
mlxsw_sp_sample_trigger_ht_params);
if (!trigger_node)
return mlxsw_sp_sample_trigger_node_init(mlxsw_sp, &key,
params);
if (trigger_node->trigger.local_port) {
NL_SET_ERR_MSG_MOD(extack, "Sampling already enabled on port");
return -EINVAL;
}
if (trigger_node->params.psample_group != params->psample_group ||
trigger_node->params.truncate != params->truncate ||
trigger_node->params.rate != params->rate ||
trigger_node->params.trunc_size != params->trunc_size) {
NL_SET_ERR_MSG_MOD(extack, "Sampling parameters do not match for an existing sampling trigger");
return -EINVAL;
}
refcount_inc(&trigger_node->refcount);
return 0;
}
void
mlxsw_sp_sample_trigger_params_unset(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_sample_trigger *trigger)
{
struct mlxsw_sp_sample_trigger_node *trigger_node;
struct mlxsw_sp_sample_trigger key;
ASSERT_RTNL();
mlxsw_sp_sample_trigger_key_init(&key, trigger);
trigger_node = rhashtable_lookup_fast(&mlxsw_sp->sample_trigger_ht,
&key,
mlxsw_sp_sample_trigger_ht_params);
if (!trigger_node)
return;
if (!refcount_dec_and_test(&trigger_node->refcount))
return;
mlxsw_sp_sample_trigger_node_fini(mlxsw_sp, trigger_node);
}
static int mlxsw_sp_netdevice_event(struct notifier_block *unused,
unsigned long event, void *ptr);
#define MLXSW_SP_DEFAULT_PARSING_DEPTH 96
#define MLXSW_SP_INCREASED_PARSING_DEPTH 128
#define MLXSW_SP_DEFAULT_VXLAN_UDP_DPORT 4789
static void mlxsw_sp_parsing_init(struct mlxsw_sp *mlxsw_sp)
{
refcount_set(&mlxsw_sp->parsing.parsing_depth_ref, 0);
mlxsw_sp->parsing.parsing_depth = MLXSW_SP_DEFAULT_PARSING_DEPTH;
mlxsw_sp->parsing.vxlan_udp_dport = MLXSW_SP_DEFAULT_VXLAN_UDP_DPORT;
mutex_init(&mlxsw_sp->parsing.lock);
}
static void mlxsw_sp_parsing_fini(struct mlxsw_sp *mlxsw_sp)
{
mutex_destroy(&mlxsw_sp->parsing.lock);
WARN_ON_ONCE(refcount_read(&mlxsw_sp->parsing.parsing_depth_ref));
}
struct mlxsw_sp_ipv6_addr_node {
struct in6_addr key;
struct rhash_head ht_node;
u32 kvdl_index;
refcount_t refcount;
};
static const struct rhashtable_params mlxsw_sp_ipv6_addr_ht_params = {
.key_offset = offsetof(struct mlxsw_sp_ipv6_addr_node, key),
.head_offset = offsetof(struct mlxsw_sp_ipv6_addr_node, ht_node),
.key_len = sizeof(struct in6_addr),
.automatic_shrinking = true,
};
static int
mlxsw_sp_ipv6_addr_init(struct mlxsw_sp *mlxsw_sp, const struct in6_addr *addr6,
u32 *p_kvdl_index)
{
struct mlxsw_sp_ipv6_addr_node *node;
char rips_pl[MLXSW_REG_RIPS_LEN];
int err;
err = mlxsw_sp_kvdl_alloc(mlxsw_sp,
MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1,
p_kvdl_index);
if (err)
return err;
mlxsw_reg_rips_pack(rips_pl, *p_kvdl_index, addr6);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rips), rips_pl);
if (err)
goto err_rips_write;
node = kzalloc_obj(*node);
if (!node) {
err = -ENOMEM;
goto err_node_alloc;
}
node->key = *addr6;
node->kvdl_index = *p_kvdl_index;
refcount_set(&node->refcount, 1);
err = rhashtable_insert_fast(&mlxsw_sp->ipv6_addr_ht,
&node->ht_node,
mlxsw_sp_ipv6_addr_ht_params);
if (err)
goto err_rhashtable_insert;
return 0;
err_rhashtable_insert:
kfree(node);
err_node_alloc:
err_rips_write:
mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1,
*p_kvdl_index);
return err;
}
static void mlxsw_sp_ipv6_addr_fini(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_ipv6_addr_node *node)
{
u32 kvdl_index = node->kvdl_index;
rhashtable_remove_fast(&mlxsw_sp->ipv6_addr_ht, &node->ht_node,
mlxsw_sp_ipv6_addr_ht_params);
kfree(node);
mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_IPV6_ADDRESS, 1,
kvdl_index);
}
int mlxsw_sp_ipv6_addr_kvdl_index_get(struct mlxsw_sp *mlxsw_sp,
const struct in6_addr *addr6,
u32 *p_kvdl_index)
{
struct mlxsw_sp_ipv6_addr_node *node;
int err = 0;
mutex_lock(&mlxsw_sp->ipv6_addr_ht_lock);
node = rhashtable_lookup_fast(&mlxsw_sp->ipv6_addr_ht, addr6,
mlxsw_sp_ipv6_addr_ht_params);
if (node) {
refcount_inc(&node->refcount);
*p_kvdl_index = node->kvdl_index;
goto out_unlock;
}
err = mlxsw_sp_ipv6_addr_init(mlxsw_sp, addr6, p_kvdl_index);
out_unlock:
mutex_unlock(&mlxsw_sp->ipv6_addr_ht_lock);
return err;
}
void
mlxsw_sp_ipv6_addr_put(struct mlxsw_sp *mlxsw_sp, const struct in6_addr *addr6)
{
struct mlxsw_sp_ipv6_addr_node *node;
mutex_lock(&mlxsw_sp->ipv6_addr_ht_lock);
node = rhashtable_lookup_fast(&mlxsw_sp->ipv6_addr_ht, addr6,
mlxsw_sp_ipv6_addr_ht_params);
if (WARN_ON(!node))
goto out_unlock;
if (!refcount_dec_and_test(&node->refcount))
goto out_unlock;
mlxsw_sp_ipv6_addr_fini(mlxsw_sp, node);
out_unlock:
mutex_unlock(&mlxsw_sp->ipv6_addr_ht_lock);
}
static int mlxsw_sp_ipv6_addr_ht_init(struct mlxsw_sp *mlxsw_sp)
{
int err;
err = rhashtable_init(&mlxsw_sp->ipv6_addr_ht,
&mlxsw_sp_ipv6_addr_ht_params);
if (err)
return err;
mutex_init(&mlxsw_sp->ipv6_addr_ht_lock);
return 0;
}
static void mlxsw_sp_ipv6_addr_ht_fini(struct mlxsw_sp *mlxsw_sp)
{
mutex_destroy(&mlxsw_sp->ipv6_addr_ht_lock);
rhashtable_destroy(&mlxsw_sp->ipv6_addr_ht);
}
static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
int err;
mlxsw_sp->core = mlxsw_core;
mlxsw_sp->bus_info = mlxsw_bus_info;
mlxsw_sp_parsing_init(mlxsw_sp);
err = mlxsw_sp_base_mac_get(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n");
return err;
}
err = mlxsw_sp_kvdl_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize KVDL\n");
return err;
}
err = mlxsw_sp_pgt_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize PGT\n");
goto err_pgt_init;
}
err = mlxsw_sp_lag_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize LAG\n");
goto err_lag_init;
}
err = mlxsw_sp->fid_core_ops->init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize FIDs\n");
goto err_fid_core_init;
}
err = mlxsw_sp_policers_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize policers\n");
goto err_policers_init;
}
err = mlxsw_sp_traps_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps\n");
goto err_traps_init;
}
err = mlxsw_sp_devlink_traps_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize devlink traps\n");
goto err_devlink_traps_init;
}
err = mlxsw_sp_buffers_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize buffers\n");
goto err_buffers_init;
}
err = mlxsw_sp_span_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to init span system\n");
goto err_span_init;
}
err = mlxsw_sp_switchdev_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize switchdev\n");
goto err_switchdev_init;
}
err = mlxsw_sp_counter_pool_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to init counter pool\n");
goto err_counter_pool_init;
}
err = mlxsw_sp_afa_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL actions\n");
goto err_afa_init;
}
err = mlxsw_sp_ipv6_addr_ht_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize hash table for IPv6 addresses\n");
goto err_ipv6_addr_ht_init;
}
err = mlxsw_sp_nve_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize NVE\n");
goto err_nve_init;
}
err = mlxsw_sp_port_range_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize port ranges\n");
goto err_port_range_init;
}
err = mlxsw_sp_acl_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL\n");
goto err_acl_init;
}
err = mlxsw_sp_router_init(mlxsw_sp, extack);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n");
goto err_router_init;
}
if (mlxsw_sp->bus_info->read_clock_capable) {
mlxsw_sp->clock =
mlxsw_sp->ptp_ops->clock_init(mlxsw_sp,
mlxsw_sp->bus_info->dev);
if (IS_ERR(mlxsw_sp->clock)) {
err = PTR_ERR(mlxsw_sp->clock);
dev_err(mlxsw_sp->bus_info->dev, "Failed to init ptp clock\n");
goto err_ptp_clock_init;
}
}
if (mlxsw_sp->clock) {
mlxsw_sp->ptp_state = mlxsw_sp->ptp_ops->init(mlxsw_sp);
if (IS_ERR(mlxsw_sp->ptp_state)) {
err = PTR_ERR(mlxsw_sp->ptp_state);
dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize PTP\n");
goto err_ptp_init;
}
}
mlxsw_sp->netdevice_nb.notifier_call = mlxsw_sp_netdevice_event;
err = register_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->netdevice_nb);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to register netdev notifier\n");
goto err_netdev_notifier;
}
err = mlxsw_sp_dpipe_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to init pipeline debug\n");
goto err_dpipe_init;
}
err = mlxsw_sp_port_module_info_init(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to init port module info\n");
goto err_port_module_info_init;
}
err = rhashtable_init(&mlxsw_sp->sample_trigger_ht,
&mlxsw_sp_sample_trigger_ht_params);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to init sampling trigger hashtable\n");
goto err_sample_trigger_init;
}
err = mlxsw_sp_ports_create(mlxsw_sp);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n");
goto err_ports_create;
}
return 0;
err_ports_create:
rhashtable_destroy(&mlxsw_sp->sample_trigger_ht);
err_sample_trigger_init:
mlxsw_sp_port_module_info_fini(mlxsw_sp);
err_port_module_info_init:
mlxsw_sp_dpipe_fini(mlxsw_sp);
err_dpipe_init:
unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->netdevice_nb);
err_netdev_notifier:
if (mlxsw_sp->clock)
mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state);
err_ptp_init:
if (mlxsw_sp->clock)
mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock);
err_ptp_clock_init:
mlxsw_sp_router_fini(mlxsw_sp);
err_router_init:
mlxsw_sp_acl_fini(mlxsw_sp);
err_acl_init:
mlxsw_sp_port_range_fini(mlxsw_sp);
err_port_range_init:
mlxsw_sp_nve_fini(mlxsw_sp);
err_nve_init:
mlxsw_sp_ipv6_addr_ht_fini(mlxsw_sp);
err_ipv6_addr_ht_init:
mlxsw_sp_afa_fini(mlxsw_sp);
err_afa_init:
mlxsw_sp_counter_pool_fini(mlxsw_sp);
err_counter_pool_init:
mlxsw_sp_switchdev_fini(mlxsw_sp);
err_switchdev_init:
mlxsw_sp_span_fini(mlxsw_sp);
err_span_init:
mlxsw_sp_buffers_fini(mlxsw_sp);
err_buffers_init:
mlxsw_sp_devlink_traps_fini(mlxsw_sp);
err_devlink_traps_init:
mlxsw_sp_traps_fini(mlxsw_sp);
err_traps_init:
mlxsw_sp_policers_fini(mlxsw_sp);
err_policers_init:
mlxsw_sp->fid_core_ops->fini(mlxsw_sp);
err_fid_core_init:
mlxsw_sp_lag_fini(mlxsw_sp);
err_lag_init:
mlxsw_sp_pgt_fini(mlxsw_sp);
err_pgt_init:
mlxsw_sp_kvdl_fini(mlxsw_sp);
mlxsw_sp_parsing_fini(mlxsw_sp);
return err;
}
static int mlxsw_sp1_init(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
mlxsw_sp->switchdev_ops = &mlxsw_sp1_switchdev_ops;
mlxsw_sp->kvdl_ops = &mlxsw_sp1_kvdl_ops;
mlxsw_sp->afa_ops = &mlxsw_sp1_act_afa_ops;
mlxsw_sp->afk_ops = &mlxsw_sp1_afk_ops;
mlxsw_sp->mr_tcam_ops = &mlxsw_sp1_mr_tcam_ops;
mlxsw_sp->acl_rulei_ops = &mlxsw_sp1_acl_rulei_ops;
mlxsw_sp->acl_tcam_ops = &mlxsw_sp1_acl_tcam_ops;
mlxsw_sp->nve_ops_arr = mlxsw_sp1_nve_ops_arr;
mlxsw_sp->mac_mask = mlxsw_sp1_mac_mask;
mlxsw_sp->sb_vals = &mlxsw_sp1_sb_vals;
mlxsw_sp->sb_ops = &mlxsw_sp1_sb_ops;
mlxsw_sp->port_type_speed_ops = &mlxsw_sp1_port_type_speed_ops;
mlxsw_sp->ptp_ops = &mlxsw_sp1_ptp_ops;
mlxsw_sp->span_ops = &mlxsw_sp1_span_ops;
mlxsw_sp->policer_core_ops = &mlxsw_sp1_policer_core_ops;
mlxsw_sp->trap_ops = &mlxsw_sp1_trap_ops;
mlxsw_sp->mall_ops = &mlxsw_sp1_mall_ops;
mlxsw_sp->router_ops = &mlxsw_sp1_router_ops;
mlxsw_sp->listeners = mlxsw_sp1_listener;
mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp1_listener);
mlxsw_sp->fid_core_ops = &mlxsw_sp1_fid_core_ops;
mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP1;
mlxsw_sp->pgt_smpe_index_valid = true;
return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
}
static int mlxsw_sp2_init(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops;
mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops;
mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops;
mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops;
mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops;
mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops;
mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops;
mlxsw_sp->acl_bf_ops = &mlxsw_sp2_acl_bf_ops;
mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr;
mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask;
mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals;
mlxsw_sp->sb_ops = &mlxsw_sp2_sb_ops;
mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops;
mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops;
mlxsw_sp->span_ops = &mlxsw_sp2_span_ops;
mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops;
mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops;
mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops;
mlxsw_sp->router_ops = &mlxsw_sp2_router_ops;
mlxsw_sp->listeners = mlxsw_sp2_listener;
mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener);
mlxsw_sp->fid_core_ops = &mlxsw_sp2_fid_core_ops;
mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP2;
mlxsw_sp->pgt_smpe_index_valid = false;
return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
}
static int mlxsw_sp3_init(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops;
mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops;
mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops;
mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops;
mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops;
mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops;
mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops;
mlxsw_sp->acl_bf_ops = &mlxsw_sp2_acl_bf_ops;
mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr;
mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask;
mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals;
mlxsw_sp->sb_ops = &mlxsw_sp3_sb_ops;
mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops;
mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops;
mlxsw_sp->span_ops = &mlxsw_sp3_span_ops;
mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops;
mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops;
mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops;
mlxsw_sp->router_ops = &mlxsw_sp2_router_ops;
mlxsw_sp->listeners = mlxsw_sp2_listener;
mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener);
mlxsw_sp->fid_core_ops = &mlxsw_sp2_fid_core_ops;
mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP3;
mlxsw_sp->pgt_smpe_index_valid = false;
return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
}
static int mlxsw_sp4_init(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
mlxsw_sp->switchdev_ops = &mlxsw_sp2_switchdev_ops;
mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops;
mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops;
mlxsw_sp->afk_ops = &mlxsw_sp4_afk_ops;
mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops;
mlxsw_sp->acl_rulei_ops = &mlxsw_sp2_acl_rulei_ops;
mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops;
mlxsw_sp->acl_bf_ops = &mlxsw_sp4_acl_bf_ops;
mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr;
mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask;
mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals;
mlxsw_sp->sb_ops = &mlxsw_sp3_sb_ops;
mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops;
mlxsw_sp->ptp_ops = &mlxsw_sp4_ptp_ops;
mlxsw_sp->span_ops = &mlxsw_sp3_span_ops;
mlxsw_sp->policer_core_ops = &mlxsw_sp2_policer_core_ops;
mlxsw_sp->trap_ops = &mlxsw_sp2_trap_ops;
mlxsw_sp->mall_ops = &mlxsw_sp2_mall_ops;
mlxsw_sp->router_ops = &mlxsw_sp2_router_ops;
mlxsw_sp->listeners = mlxsw_sp2_listener;
mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp2_listener);
mlxsw_sp->fid_core_ops = &mlxsw_sp2_fid_core_ops;
mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP4;
mlxsw_sp->pgt_smpe_index_valid = false;
return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
}
static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
mlxsw_sp_ports_remove(mlxsw_sp);
rhashtable_destroy(&mlxsw_sp->sample_trigger_ht);
mlxsw_sp_port_module_info_fini(mlxsw_sp);
mlxsw_sp_dpipe_fini(mlxsw_sp);
unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->netdevice_nb);
if (mlxsw_sp->clock) {
mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state);
mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock);
}
mlxsw_sp_router_fini(mlxsw_sp);
mlxsw_sp_acl_fini(mlxsw_sp);
mlxsw_sp_port_range_fini(mlxsw_sp);
mlxsw_sp_nve_fini(mlxsw_sp);
mlxsw_sp_ipv6_addr_ht_fini(mlxsw_sp);
mlxsw_sp_afa_fini(mlxsw_sp);
mlxsw_sp_counter_pool_fini(mlxsw_sp);
mlxsw_sp_switchdev_fini(mlxsw_sp);
mlxsw_sp_span_fini(mlxsw_sp);
mlxsw_sp_buffers_fini(mlxsw_sp);
mlxsw_sp_devlink_traps_fini(mlxsw_sp);
mlxsw_sp_traps_fini(mlxsw_sp);
mlxsw_sp_policers_fini(mlxsw_sp);
mlxsw_sp->fid_core_ops->fini(mlxsw_sp);
mlxsw_sp_lag_fini(mlxsw_sp);
mlxsw_sp_pgt_fini(mlxsw_sp);
mlxsw_sp_kvdl_fini(mlxsw_sp);
mlxsw_sp_parsing_fini(mlxsw_sp);
}
static const struct mlxsw_config_profile mlxsw_sp1_config_profile = {
.used_flood_mode = 1,
.flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED,
.used_max_ib_mc = 1,
.max_ib_mc = 0,
.used_max_pkey = 1,
.max_pkey = 0,
.used_ubridge = 1,
.ubridge = 1,
.used_kvd_sizes = 1,
.kvd_hash_single_parts = 59,
.kvd_hash_double_parts = 41,
.kvd_linear_size = MLXSW_SP_KVD_LINEAR_SIZE,
.swid_config = {
{
.used_type = 1,
.type = MLXSW_PORT_SWID_TYPE_ETH,
}
},
};
static const struct mlxsw_config_profile mlxsw_sp2_config_profile = {
.used_flood_mode = 1,
.flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED,
.used_max_ib_mc = 1,
.max_ib_mc = 0,
.used_max_pkey = 1,
.max_pkey = 0,
.used_ubridge = 1,
.ubridge = 1,
.swid_config = {
{
.used_type = 1,
.type = MLXSW_PORT_SWID_TYPE_ETH,
}
},
.used_cqe_time_stamp_type = 1,
.cqe_time_stamp_type = MLXSW_CMD_MBOX_CONFIG_PROFILE_CQE_TIME_STAMP_TYPE_UTC,
.lag_mode_prefer_sw = true,
.flood_mode_prefer_cff = true,
};
#define MLXSW_SP4_CONFIG_PROFILE_MAX_LAG 128
static const struct mlxsw_config_profile mlxsw_sp4_config_profile = {
.used_max_lag = 1,
.max_lag = MLXSW_SP4_CONFIG_PROFILE_MAX_LAG,
.used_flood_mode = 1,
.flood_mode = MLXSW_CMD_MBOX_CONFIG_PROFILE_FLOOD_MODE_CONTROLLED,
.used_max_ib_mc = 1,
.max_ib_mc = 0,
.used_max_pkey = 1,
.max_pkey = 0,
.used_ubridge = 1,
.ubridge = 1,
.swid_config = {
{
.used_type = 1,
.type = MLXSW_PORT_SWID_TYPE_ETH,
}
},
.used_cqe_time_stamp_type = 1,
.cqe_time_stamp_type = MLXSW_CMD_MBOX_CONFIG_PROFILE_CQE_TIME_STAMP_TYPE_UTC,
.lag_mode_prefer_sw = true,
.flood_mode_prefer_cff = true,
};
static void
mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core,
struct devlink_resource_size_params *kvd_size_params,
struct devlink_resource_size_params *linear_size_params,
struct devlink_resource_size_params *hash_double_size_params,
struct devlink_resource_size_params *hash_single_size_params)
{
u32 single_size_min = MLXSW_CORE_RES_GET(mlxsw_core,
KVD_SINGLE_MIN_SIZE);
u32 double_size_min = MLXSW_CORE_RES_GET(mlxsw_core,
KVD_DOUBLE_MIN_SIZE);
u32 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
u32 linear_size_min = 0;
devlink_resource_size_params_init(kvd_size_params, kvd_size, kvd_size,
MLXSW_SP_KVD_GRANULARITY,
DEVLINK_RESOURCE_UNIT_ENTRY);
devlink_resource_size_params_init(linear_size_params, linear_size_min,
kvd_size - single_size_min -
double_size_min,
MLXSW_SP_KVD_GRANULARITY,
DEVLINK_RESOURCE_UNIT_ENTRY);
devlink_resource_size_params_init(hash_double_size_params,
double_size_min,
kvd_size - single_size_min -
linear_size_min,
MLXSW_SP_KVD_GRANULARITY,
DEVLINK_RESOURCE_UNIT_ENTRY);
devlink_resource_size_params_init(hash_single_size_params,
single_size_min,
kvd_size - double_size_min -
linear_size_min,
MLXSW_SP_KVD_GRANULARITY,
DEVLINK_RESOURCE_UNIT_ENTRY);
}
static int mlxsw_sp1_resources_kvd_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
struct devlink_resource_size_params hash_single_size_params;
struct devlink_resource_size_params hash_double_size_params;
struct devlink_resource_size_params linear_size_params;
struct devlink_resource_size_params kvd_size_params;
u32 kvd_size, single_size, double_size, linear_size;
const struct mlxsw_config_profile *profile;
int err;
profile = &mlxsw_sp1_config_profile;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE))
return -EIO;
mlxsw_sp_resource_size_params_prepare(mlxsw_core, &kvd_size_params,
&linear_size_params,
&hash_double_size_params,
&hash_single_size_params);
kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD,
kvd_size, MLXSW_SP_RESOURCE_KVD,
DEVLINK_RESOURCE_ID_PARENT_TOP,
&kvd_size_params);
if (err)
return err;
linear_size = profile->kvd_linear_size;
err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_LINEAR,
linear_size,
MLXSW_SP_RESOURCE_KVD_LINEAR,
MLXSW_SP_RESOURCE_KVD,
&linear_size_params);
if (err)
return err;
err = mlxsw_sp1_kvdl_resources_register(mlxsw_core);
if (err)
return err;
double_size = kvd_size - linear_size;
double_size *= profile->kvd_hash_double_parts;
double_size /= profile->kvd_hash_double_parts +
profile->kvd_hash_single_parts;
double_size = rounddown(double_size, MLXSW_SP_KVD_GRANULARITY);
err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_DOUBLE,
double_size,
MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE,
MLXSW_SP_RESOURCE_KVD,
&hash_double_size_params);
if (err)
return err;
single_size = kvd_size - double_size - linear_size;
err = devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_SINGLE,
single_size,
MLXSW_SP_RESOURCE_KVD_HASH_SINGLE,
MLXSW_SP_RESOURCE_KVD,
&hash_single_size_params);
if (err)
return err;
return 0;
}
static int mlxsw_sp2_resources_kvd_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
struct devlink_resource_size_params kvd_size_params;
u32 kvd_size;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE))
return -EIO;
kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
devlink_resource_size_params_init(&kvd_size_params, kvd_size, kvd_size,
MLXSW_SP_KVD_GRANULARITY,
DEVLINK_RESOURCE_UNIT_ENTRY);
return devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD,
kvd_size, MLXSW_SP_RESOURCE_KVD,
DEVLINK_RESOURCE_ID_PARENT_TOP,
&kvd_size_params);
}
static int mlxsw_sp_resources_span_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
struct devlink_resource_size_params span_size_params;
u32 max_span;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_SPAN))
return -EIO;
max_span = MLXSW_CORE_RES_GET(mlxsw_core, MAX_SPAN);
devlink_resource_size_params_init(&span_size_params, max_span, max_span,
1, DEVLINK_RESOURCE_UNIT_ENTRY);
return devl_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_SPAN,
max_span, MLXSW_SP_RESOURCE_SPAN,
DEVLINK_RESOURCE_ID_PARENT_TOP,
&span_size_params);
}
static int
mlxsw_sp_resources_rif_mac_profile_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
struct devlink_resource_size_params size_params;
u8 max_rif_mac_profiles;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_RIF_MAC_PROFILES))
max_rif_mac_profiles = 1;
else
max_rif_mac_profiles = MLXSW_CORE_RES_GET(mlxsw_core,
MAX_RIF_MAC_PROFILES);
devlink_resource_size_params_init(&size_params, max_rif_mac_profiles,
max_rif_mac_profiles, 1,
DEVLINK_RESOURCE_UNIT_ENTRY);
return devl_resource_register(devlink,
"rif_mac_profiles",
max_rif_mac_profiles,
MLXSW_SP_RESOURCE_RIF_MAC_PROFILES,
DEVLINK_RESOURCE_ID_PARENT_TOP,
&size_params);
}
static int mlxsw_sp_resources_rifs_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
struct devlink_resource_size_params size_params;
u64 max_rifs;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_RIFS))
return -EIO;
max_rifs = MLXSW_CORE_RES_GET(mlxsw_core, MAX_RIFS);
devlink_resource_size_params_init(&size_params, max_rifs, max_rifs,
1, DEVLINK_RESOURCE_UNIT_ENTRY);
return devl_resource_register(devlink, "rifs", max_rifs,
MLXSW_SP_RESOURCE_RIFS,
DEVLINK_RESOURCE_ID_PARENT_TOP,
&size_params);
}
static int
mlxsw_sp_resources_port_range_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
struct devlink_resource_size_params size_params;
u64 max;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, ACL_MAX_L4_PORT_RANGE))
return -EIO;
max = MLXSW_CORE_RES_GET(mlxsw_core, ACL_MAX_L4_PORT_RANGE);
devlink_resource_size_params_init(&size_params, max, max, 1,
DEVLINK_RESOURCE_UNIT_ENTRY);
return devl_resource_register(devlink, "port_range_registers", max,
MLXSW_SP_RESOURCE_PORT_RANGE_REGISTERS,
DEVLINK_RESOURCE_ID_PARENT_TOP,
&size_params);
}
static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core)
{
int err;
err = mlxsw_sp1_resources_kvd_register(mlxsw_core);
if (err)
return err;
err = mlxsw_sp_resources_span_register(mlxsw_core);
if (err)
goto err_resources_span_register;
err = mlxsw_sp_counter_resources_register(mlxsw_core);
if (err)
goto err_resources_counter_register;
err = mlxsw_sp_policer_resources_register(mlxsw_core);
if (err)
goto err_policer_resources_register;
err = mlxsw_sp_resources_rif_mac_profile_register(mlxsw_core);
if (err)
goto err_resources_rif_mac_profile_register;
err = mlxsw_sp_resources_rifs_register(mlxsw_core);
if (err)
goto err_resources_rifs_register;
err = mlxsw_sp_resources_port_range_register(mlxsw_core);
if (err)
goto err_resources_port_range_register;
return 0;
err_resources_port_range_register:
err_resources_rifs_register:
err_resources_rif_mac_profile_register:
err_policer_resources_register:
err_resources_counter_register:
err_resources_span_register:
devl_resources_unregister(priv_to_devlink(mlxsw_core));
return err;
}
static int mlxsw_sp2_resources_register(struct mlxsw_core *mlxsw_core)
{
int err;
err = mlxsw_sp2_resources_kvd_register(mlxsw_core);
if (err)
return err;
err = mlxsw_sp_resources_span_register(mlxsw_core);
if (err)
goto err_resources_span_register;
err = mlxsw_sp_counter_resources_register(mlxsw_core);
if (err)
goto err_resources_counter_register;
err = mlxsw_sp_policer_resources_register(mlxsw_core);
if (err)
goto err_policer_resources_register;
err = mlxsw_sp_resources_rif_mac_profile_register(mlxsw_core);
if (err)
goto err_resources_rif_mac_profile_register;
err = mlxsw_sp_resources_rifs_register(mlxsw_core);
if (err)
goto err_resources_rifs_register;
err = mlxsw_sp_resources_port_range_register(mlxsw_core);
if (err)
goto err_resources_port_range_register;
return 0;
err_resources_port_range_register:
err_resources_rifs_register:
err_resources_rif_mac_profile_register:
err_policer_resources_register:
err_resources_counter_register:
err_resources_span_register:
devl_resources_unregister(priv_to_devlink(mlxsw_core));
return err;
}
static int mlxsw_sp_kvd_sizes_get(struct mlxsw_core *mlxsw_core,
const struct mlxsw_config_profile *profile,
u64 *p_single_size, u64 *p_double_size,
u64 *p_linear_size)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
u32 double_size;
int err;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SINGLE_MIN_SIZE) ||
!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_DOUBLE_MIN_SIZE))
return -EIO;
err = devl_resource_size_get(devlink,
MLXSW_SP_RESOURCE_KVD_LINEAR,
p_linear_size);
if (err)
*p_linear_size = profile->kvd_linear_size;
err = devl_resource_size_get(devlink,
MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE,
p_double_size);
if (err) {
double_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) -
*p_linear_size;
double_size *= profile->kvd_hash_double_parts;
double_size /= profile->kvd_hash_double_parts +
profile->kvd_hash_single_parts;
*p_double_size = rounddown(double_size,
MLXSW_SP_KVD_GRANULARITY);
}
err = devl_resource_size_get(devlink,
MLXSW_SP_RESOURCE_KVD_HASH_SINGLE,
p_single_size);
if (err)
*p_single_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) -
*p_double_size - *p_linear_size;
if (*p_single_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_SINGLE_MIN_SIZE) ||
*p_double_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_DOUBLE_MIN_SIZE) ||
MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) < *p_linear_size)
return -EIO;
return 0;
}
static void mlxsw_sp_ptp_transmitted(struct mlxsw_core *mlxsw_core,
struct sk_buff *skb, u16 local_port)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
skb_pull(skb, MLXSW_TXHDR_LEN);
mlxsw_sp->ptp_ops->transmitted(mlxsw_sp, skb, local_port);
}
static struct mlxsw_driver mlxsw_sp1_driver = {
.kind = mlxsw_sp1_driver_name,
.priv_size = sizeof(struct mlxsw_sp),
.fw_req_rev = &mlxsw_sp1_fw_rev,
.fw_filename = MLXSW_SP1_FW_FILENAME,
.init = mlxsw_sp1_init,
.fini = mlxsw_sp_fini,
.port_split = mlxsw_sp_port_split,
.port_unsplit = mlxsw_sp_port_unsplit,
.sb_pool_get = mlxsw_sp_sb_pool_get,
.sb_pool_set = mlxsw_sp_sb_pool_set,
.sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
.sb_port_pool_set = mlxsw_sp_sb_port_pool_set,
.sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get,
.sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set,
.sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot,
.sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear,
.sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get,
.sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get,
.trap_init = mlxsw_sp_trap_init,
.trap_fini = mlxsw_sp_trap_fini,
.trap_action_set = mlxsw_sp_trap_action_set,
.trap_group_init = mlxsw_sp_trap_group_init,
.trap_group_set = mlxsw_sp_trap_group_set,
.trap_policer_init = mlxsw_sp_trap_policer_init,
.trap_policer_fini = mlxsw_sp_trap_policer_fini,
.trap_policer_set = mlxsw_sp_trap_policer_set,
.trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get,
.resources_register = mlxsw_sp1_resources_register,
.kvd_sizes_get = mlxsw_sp_kvd_sizes_get,
.ptp_transmitted = mlxsw_sp_ptp_transmitted,
.profile = &mlxsw_sp1_config_profile,
.sdq_supports_cqe_v2 = false,
};
static struct mlxsw_driver mlxsw_sp2_driver = {
.kind = mlxsw_sp2_driver_name,
.priv_size = sizeof(struct mlxsw_sp),
.fw_req_rev = &mlxsw_sp2_fw_rev,
.fw_filename = MLXSW_SP2_FW_FILENAME,
.init = mlxsw_sp2_init,
.fini = mlxsw_sp_fini,
.port_split = mlxsw_sp_port_split,
.port_unsplit = mlxsw_sp_port_unsplit,
.ports_remove_selected = mlxsw_sp_ports_remove_selected,
.sb_pool_get = mlxsw_sp_sb_pool_get,
.sb_pool_set = mlxsw_sp_sb_pool_set,
.sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
.sb_port_pool_set = mlxsw_sp_sb_port_pool_set,
.sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get,
.sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set,
.sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot,
.sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear,
.sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get,
.sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get,
.trap_init = mlxsw_sp_trap_init,
.trap_fini = mlxsw_sp_trap_fini,
.trap_action_set = mlxsw_sp_trap_action_set,
.trap_group_init = mlxsw_sp_trap_group_init,
.trap_group_set = mlxsw_sp_trap_group_set,
.trap_policer_init = mlxsw_sp_trap_policer_init,
.trap_policer_fini = mlxsw_sp_trap_policer_fini,
.trap_policer_set = mlxsw_sp_trap_policer_set,
.trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get,
.resources_register = mlxsw_sp2_resources_register,
.ptp_transmitted = mlxsw_sp_ptp_transmitted,
.profile = &mlxsw_sp2_config_profile,
.sdq_supports_cqe_v2 = true,
};
static struct mlxsw_driver mlxsw_sp3_driver = {
.kind = mlxsw_sp3_driver_name,
.priv_size = sizeof(struct mlxsw_sp),
.fw_req_rev = &mlxsw_sp3_fw_rev,
.fw_filename = MLXSW_SP3_FW_FILENAME,
.init = mlxsw_sp3_init,
.fini = mlxsw_sp_fini,
.port_split = mlxsw_sp_port_split,
.port_unsplit = mlxsw_sp_port_unsplit,
.ports_remove_selected = mlxsw_sp_ports_remove_selected,
.sb_pool_get = mlxsw_sp_sb_pool_get,
.sb_pool_set = mlxsw_sp_sb_pool_set,
.sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
.sb_port_pool_set = mlxsw_sp_sb_port_pool_set,
.sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get,
.sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set,
.sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot,
.sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear,
.sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get,
.sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get,
.trap_init = mlxsw_sp_trap_init,
.trap_fini = mlxsw_sp_trap_fini,
.trap_action_set = mlxsw_sp_trap_action_set,
.trap_group_init = mlxsw_sp_trap_group_init,
.trap_group_set = mlxsw_sp_trap_group_set,
.trap_policer_init = mlxsw_sp_trap_policer_init,
.trap_policer_fini = mlxsw_sp_trap_policer_fini,
.trap_policer_set = mlxsw_sp_trap_policer_set,
.trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get,
.resources_register = mlxsw_sp2_resources_register,
.ptp_transmitted = mlxsw_sp_ptp_transmitted,
.profile = &mlxsw_sp2_config_profile,
.sdq_supports_cqe_v2 = true,
};
static struct mlxsw_driver mlxsw_sp4_driver = {
.kind = mlxsw_sp4_driver_name,
.priv_size = sizeof(struct mlxsw_sp),
.init = mlxsw_sp4_init,
.fini = mlxsw_sp_fini,
.port_split = mlxsw_sp_port_split,
.port_unsplit = mlxsw_sp_port_unsplit,
.ports_remove_selected = mlxsw_sp_ports_remove_selected,
.sb_pool_get = mlxsw_sp_sb_pool_get,
.sb_pool_set = mlxsw_sp_sb_pool_set,
.sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
.sb_port_pool_set = mlxsw_sp_sb_port_pool_set,
.sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get,
.sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set,
.sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot,
.sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear,
.sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get,
.sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get,
.trap_init = mlxsw_sp_trap_init,
.trap_fini = mlxsw_sp_trap_fini,
.trap_action_set = mlxsw_sp_trap_action_set,
.trap_group_init = mlxsw_sp_trap_group_init,
.trap_group_set = mlxsw_sp_trap_group_set,
.trap_policer_init = mlxsw_sp_trap_policer_init,
.trap_policer_fini = mlxsw_sp_trap_policer_fini,
.trap_policer_set = mlxsw_sp_trap_policer_set,
.trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get,
.resources_register = mlxsw_sp2_resources_register,
.ptp_transmitted = mlxsw_sp_ptp_transmitted,
.profile = &mlxsw_sp4_config_profile,
.sdq_supports_cqe_v2 = true,
};
bool mlxsw_sp_port_dev_check(const struct net_device *dev)
{
return dev->netdev_ops == &mlxsw_sp_port_netdev_ops;
}
static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev,
struct netdev_nested_priv *priv)
{
int ret = 0;
if (mlxsw_sp_port_dev_check(lower_dev)) {
priv->data = (void *)netdev_priv(lower_dev);
ret = 1;
}
return ret;
}
struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev)
{
struct netdev_nested_priv priv = {
.data = NULL,
};
if (mlxsw_sp_port_dev_check(dev))
return netdev_priv(dev);
netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &priv);
return (struct mlxsw_sp_port *)priv.data;
}
struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev)
{
struct mlxsw_sp_port *mlxsw_sp_port;
mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev);
return mlxsw_sp_port ? mlxsw_sp_port->mlxsw_sp : NULL;
}
struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev)
{
struct netdev_nested_priv priv = {
.data = NULL,
};
if (mlxsw_sp_port_dev_check(dev))
return netdev_priv(dev);
netdev_walk_all_lower_dev_rcu(dev, mlxsw_sp_lower_dev_walk,
&priv);
return (struct mlxsw_sp_port *)priv.data;
}
int mlxsw_sp_parsing_depth_inc(struct mlxsw_sp *mlxsw_sp)
{
char mprs_pl[MLXSW_REG_MPRS_LEN];
int err = 0;
mutex_lock(&mlxsw_sp->parsing.lock);
if (refcount_inc_not_zero(&mlxsw_sp->parsing.parsing_depth_ref))
goto out_unlock;
mlxsw_reg_mprs_pack(mprs_pl, MLXSW_SP_INCREASED_PARSING_DEPTH,
mlxsw_sp->parsing.vxlan_udp_dport);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl);
if (err)
goto out_unlock;
mlxsw_sp->parsing.parsing_depth = MLXSW_SP_INCREASED_PARSING_DEPTH;
refcount_set(&mlxsw_sp->parsing.parsing_depth_ref, 1);
out_unlock:
mutex_unlock(&mlxsw_sp->parsing.lock);
return err;
}
void mlxsw_sp_parsing_depth_dec(struct mlxsw_sp *mlxsw_sp)
{
char mprs_pl[MLXSW_REG_MPRS_LEN];
mutex_lock(&mlxsw_sp->parsing.lock);
if (!refcount_dec_and_test(&mlxsw_sp->parsing.parsing_depth_ref))
goto out_unlock;
mlxsw_reg_mprs_pack(mprs_pl, MLXSW_SP_DEFAULT_PARSING_DEPTH,
mlxsw_sp->parsing.vxlan_udp_dport);
mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl);
mlxsw_sp->parsing.parsing_depth = MLXSW_SP_DEFAULT_PARSING_DEPTH;
out_unlock:
mutex_unlock(&mlxsw_sp->parsing.lock);
}
int mlxsw_sp_parsing_vxlan_udp_dport_set(struct mlxsw_sp *mlxsw_sp,
__be16 udp_dport)
{
char mprs_pl[MLXSW_REG_MPRS_LEN];
int err;
mutex_lock(&mlxsw_sp->parsing.lock);
mlxsw_reg_mprs_pack(mprs_pl, mlxsw_sp->parsing.parsing_depth,
be16_to_cpu(udp_dport));
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mprs), mprs_pl);
if (err)
goto out_unlock;
mlxsw_sp->parsing.vxlan_udp_dport = be16_to_cpu(udp_dport);
out_unlock:
mutex_unlock(&mlxsw_sp->parsing.lock);
return err;
}
static void
mlxsw_sp_port_lag_uppers_cleanup(struct mlxsw_sp_port *mlxsw_sp_port,
struct net_device *lag_dev)
{
struct net_device *br_dev = netdev_master_upper_dev_get(lag_dev);
struct net_device *upper_dev;
struct list_head *iter;
if (netif_is_bridge_port(lag_dev))
mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, br_dev);
netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) {
if (!netif_is_bridge_port(upper_dev))
continue;
br_dev = netdev_master_upper_dev_get(upper_dev);
mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, br_dev);
}
}
static struct mlxsw_sp_lag *
mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev,
struct netlink_ext_ack *extack)
{
char sldr_pl[MLXSW_REG_SLDR_LEN];
struct mlxsw_sp_lag *lag;
u16 lag_id;
int i, err;
for (i = 0; i < mlxsw_sp->max_lag; i++) {
if (!mlxsw_sp->lags[i].dev)
break;
}
if (i == mlxsw_sp->max_lag) {
NL_SET_ERR_MSG_MOD(extack,
"Exceeded number of supported LAG devices");
return ERR_PTR(-EBUSY);
}
lag_id = i;
mlxsw_reg_sldr_lag_create_pack(sldr_pl, lag_id);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
if (err)
return ERR_PTR(err);
lag = &mlxsw_sp->lags[lag_id];
lag->lag_id = lag_id;
lag->dev = lag_dev;
refcount_set(&lag->ref_count, 1);
return lag;
}
static int
mlxsw_sp_lag_destroy(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_lag *lag)
{
char sldr_pl[MLXSW_REG_SLDR_LEN];
lag->dev = NULL;
mlxsw_reg_sldr_lag_destroy_pack(sldr_pl, lag->lag_id);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}
static int mlxsw_sp_lag_col_port_add(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id, u8 port_index)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char slcor_pl[MLXSW_REG_SLCOR_LEN];
mlxsw_reg_slcor_port_add_pack(slcor_pl, mlxsw_sp_port->local_port,
lag_id, port_index);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}
static int mlxsw_sp_lag_col_port_remove(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char slcor_pl[MLXSW_REG_SLCOR_LEN];
mlxsw_reg_slcor_port_remove_pack(slcor_pl, mlxsw_sp_port->local_port,
lag_id);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}
static int mlxsw_sp_lag_col_port_enable(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char slcor_pl[MLXSW_REG_SLCOR_LEN];
mlxsw_reg_slcor_col_enable_pack(slcor_pl, mlxsw_sp_port->local_port,
lag_id);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}
static int mlxsw_sp_lag_col_port_disable(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char slcor_pl[MLXSW_REG_SLCOR_LEN];
mlxsw_reg_slcor_col_disable_pack(slcor_pl, mlxsw_sp_port->local_port,
lag_id);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}
static struct mlxsw_sp_lag *
mlxsw_sp_lag_find(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev)
{
int i;
for (i = 0; i < mlxsw_sp->max_lag; i++) {
if (!mlxsw_sp->lags[i].dev)
continue;
if (mlxsw_sp->lags[i].dev == lag_dev)
return &mlxsw_sp->lags[i];
}
return NULL;
}
static struct mlxsw_sp_lag *
mlxsw_sp_lag_get(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp_lag *lag;
lag = mlxsw_sp_lag_find(mlxsw_sp, lag_dev);
if (lag) {
refcount_inc(&lag->ref_count);
return lag;
}
return mlxsw_sp_lag_create(mlxsw_sp, lag_dev, extack);
}
static void
mlxsw_sp_lag_put(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_lag *lag)
{
if (!refcount_dec_and_test(&lag->ref_count))
return;
mlxsw_sp_lag_destroy(mlxsw_sp, lag);
}
static bool
mlxsw_sp_master_lag_check(struct mlxsw_sp *mlxsw_sp,
struct net_device *lag_dev,
struct netdev_lag_upper_info *lag_upper_info,
struct netlink_ext_ack *extack)
{
if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) {
NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type");
return false;
}
return true;
}
static int mlxsw_sp_port_lag_index_get(struct mlxsw_sp *mlxsw_sp,
u16 lag_id, u8 *p_port_index)
{
u64 max_lag_members;
int i;
max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core,
MAX_LAG_MEMBERS);
for (i = 0; i < max_lag_members; i++) {
if (!mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i)) {
*p_port_index = i;
return 0;
}
}
return -EBUSY;
}
static int mlxsw_sp_lag_uppers_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port,
struct net_device *lag_dev,
struct netlink_ext_ack *extack)
{
struct net_device *upper_dev;
struct net_device *master;
struct list_head *iter;
int done = 0;
int err;
master = netdev_master_upper_dev_get(lag_dev);
if (master && netif_is_bridge_master(master)) {
err = mlxsw_sp_port_bridge_join(mlxsw_sp_port, lag_dev, master,
extack);
if (err)
return err;
}
netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) {
if (!is_vlan_dev(upper_dev))
continue;
master = netdev_master_upper_dev_get(upper_dev);
if (master && netif_is_bridge_master(master)) {
err = mlxsw_sp_port_bridge_join(mlxsw_sp_port,
upper_dev, master,
extack);
if (err)
goto err_port_bridge_join;
}
++done;
}
return 0;
err_port_bridge_join:
netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) {
if (!is_vlan_dev(upper_dev))
continue;
master = netdev_master_upper_dev_get(upper_dev);
if (!master || !netif_is_bridge_master(master))
continue;
if (!done--)
break;
mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, master);
}
master = netdev_master_upper_dev_get(lag_dev);
if (master && netif_is_bridge_master(master))
mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, master);
return err;
}
static void
mlxsw_sp_lag_uppers_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port,
struct net_device *lag_dev)
{
struct net_device *upper_dev;
struct net_device *master;
struct list_head *iter;
netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) {
if (!is_vlan_dev(upper_dev))
continue;
master = netdev_master_upper_dev_get(upper_dev);
if (!master)
continue;
mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, master);
}
master = netdev_master_upper_dev_get(lag_dev);
if (master)
mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, master);
}
static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port,
struct net_device *lag_dev,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct mlxsw_sp_lag *lag;
u16 lag_id;
u8 port_index;
int err;
lag = mlxsw_sp_lag_get(mlxsw_sp, lag_dev, extack);
if (IS_ERR(lag))
return PTR_ERR(lag);
lag_id = lag->lag_id;
err = mlxsw_sp_port_lag_index_get(mlxsw_sp, lag_id, &port_index);
if (err)
return err;
err = mlxsw_sp_lag_uppers_bridge_join(mlxsw_sp_port, lag_dev,
extack);
if (err)
goto err_lag_uppers_bridge_join;
err = mlxsw_sp_lag_col_port_add(mlxsw_sp_port, lag_id, port_index);
if (err)
goto err_col_port_add;
mlxsw_core_lag_mapping_set(mlxsw_sp->core, lag_id, port_index,
mlxsw_sp_port->local_port);
mlxsw_sp_port->lag_id = lag_id;
mlxsw_sp_port->lagged = 1;
err = mlxsw_sp_fid_port_join_lag(mlxsw_sp_port);
if (err)
goto err_fid_port_join_lag;
if (mlxsw_sp_port->default_vlan->fid)
mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port->default_vlan);
err = mlxsw_sp_router_port_join_lag(mlxsw_sp_port, lag_dev,
extack);
if (err)
goto err_router_join;
err = mlxsw_sp_netdevice_enslavement_replay(mlxsw_sp, lag_dev, extack);
if (err)
goto err_replay;
return 0;
err_replay:
mlxsw_sp_router_port_leave_lag(mlxsw_sp_port, lag_dev);
err_router_join:
mlxsw_sp_fid_port_leave_lag(mlxsw_sp_port);
err_fid_port_join_lag:
mlxsw_sp_port->lagged = 0;
mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id,
mlxsw_sp_port->local_port);
mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id);
err_col_port_add:
mlxsw_sp_lag_uppers_bridge_leave(mlxsw_sp_port, lag_dev);
err_lag_uppers_bridge_join:
mlxsw_sp_lag_put(mlxsw_sp, lag);
return err;
}
static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port,
struct net_device *lag_dev)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
u16 lag_id = mlxsw_sp_port->lag_id;
struct mlxsw_sp_lag *lag;
if (!mlxsw_sp_port->lagged)
return;
lag = &mlxsw_sp->lags[lag_id];
mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id);
mlxsw_sp_port_vlan_flush(mlxsw_sp_port, false);
mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port->default_vlan);
mlxsw_sp_port_lag_uppers_cleanup(mlxsw_sp_port, lag_dev);
mlxsw_sp_fid_port_leave_lag(mlxsw_sp_port);
mlxsw_sp_lag_put(mlxsw_sp, lag);
mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id,
mlxsw_sp_port->local_port);
mlxsw_sp_port->lagged = 0;
mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID,
ETH_P_8021Q);
}
static int mlxsw_sp_lag_dist_port_add(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char sldr_pl[MLXSW_REG_SLDR_LEN];
mlxsw_reg_sldr_lag_add_port_pack(sldr_pl, lag_id,
mlxsw_sp_port->local_port);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}
static int mlxsw_sp_lag_dist_port_remove(struct mlxsw_sp_port *mlxsw_sp_port,
u16 lag_id)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char sldr_pl[MLXSW_REG_SLDR_LEN];
mlxsw_reg_sldr_lag_remove_port_pack(sldr_pl, lag_id,
mlxsw_sp_port->local_port);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}
static int
mlxsw_sp_port_lag_col_dist_enable(struct mlxsw_sp_port *mlxsw_sp_port)
{
int err;
err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port,
mlxsw_sp_port->lag_id);
if (err)
return err;
err = mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id);
if (err)
goto err_dist_port_add;
return 0;
err_dist_port_add:
mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, mlxsw_sp_port->lag_id);
return err;
}
static int
mlxsw_sp_port_lag_col_dist_disable(struct mlxsw_sp_port *mlxsw_sp_port)
{
int err;
err = mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port,
mlxsw_sp_port->lag_id);
if (err)
return err;
err = mlxsw_sp_lag_col_port_disable(mlxsw_sp_port,
mlxsw_sp_port->lag_id);
if (err)
goto err_col_port_disable;
return 0;
err_col_port_disable:
mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id);
return err;
}
static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port,
struct netdev_lag_lower_state_info *info)
{
if (info->tx_enabled)
return mlxsw_sp_port_lag_col_dist_enable(mlxsw_sp_port);
else
return mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port);
}
static int mlxsw_sp_port_stp_set(struct mlxsw_sp_port *mlxsw_sp_port,
bool enable)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
enum mlxsw_reg_spms_state spms_state;
char *spms_pl;
u16 vid;
int err;
spms_state = enable ? MLXSW_REG_SPMS_STATE_FORWARDING :
MLXSW_REG_SPMS_STATE_DISCARDING;
spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL);
if (!spms_pl)
return -ENOMEM;
mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port);
for (vid = 0; vid < VLAN_N_VID; vid++)
mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl);
kfree(spms_pl);
return err;
}
static int mlxsw_sp_port_ovs_join(struct mlxsw_sp_port *mlxsw_sp_port)
{
u16 vid = 1;
int err;
err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true);
if (err)
return err;
err = mlxsw_sp_port_stp_set(mlxsw_sp_port, true);
if (err)
goto err_port_stp_set;
err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2,
true, false);
if (err)
goto err_port_vlan_set;
for (; vid <= VLAN_N_VID - 1; vid++) {
err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port,
vid, false);
if (err)
goto err_vid_learning_set;
}
return 0;
err_vid_learning_set:
for (vid--; vid >= 1; vid--)
mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, true);
err_port_vlan_set:
mlxsw_sp_port_stp_set(mlxsw_sp_port, false);
err_port_stp_set:
mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
return err;
}
static void mlxsw_sp_port_ovs_leave(struct mlxsw_sp_port *mlxsw_sp_port)
{
u16 vid;
for (vid = VLAN_N_VID - 1; vid >= 1; vid--)
mlxsw_sp_port_vid_learning_set(mlxsw_sp_port,
vid, true);
mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2,
false, false);
mlxsw_sp_port_stp_set(mlxsw_sp_port, false);
mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
}
static bool mlxsw_sp_bridge_has_multiple_vxlans(struct net_device *br_dev)
{
unsigned int num_vxlans = 0;
struct net_device *dev;
struct list_head *iter;
netdev_for_each_lower_dev(br_dev, dev, iter) {
if (netif_is_vxlan(dev))
num_vxlans++;
}
return num_vxlans > 1;
}
static bool mlxsw_sp_bridge_vxlan_vlan_is_valid(struct net_device *br_dev)
{
DECLARE_BITMAP(vlans, VLAN_N_VID) = {0};
struct net_device *dev;
struct list_head *iter;
netdev_for_each_lower_dev(br_dev, dev, iter) {
u16 pvid;
int err;
if (!netif_is_vxlan(dev))
continue;
err = mlxsw_sp_vxlan_mapped_vid(dev, &pvid);
if (err || !pvid)
continue;
if (test_and_set_bit(pvid, vlans))
return false;
}
return true;
}
static bool mlxsw_sp_bridge_vxlan_is_valid(struct net_device *br_dev,
struct netlink_ext_ack *extack)
{
if (br_multicast_enabled(br_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Multicast can not be enabled on a bridge with a VxLAN device");
return false;
}
if (!br_vlan_enabled(br_dev) &&
mlxsw_sp_bridge_has_multiple_vxlans(br_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices are not supported in a VLAN-unaware bridge");
return false;
}
if (br_vlan_enabled(br_dev) &&
!mlxsw_sp_bridge_vxlan_vlan_is_valid(br_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices cannot have the same VLAN as PVID and egress untagged");
return false;
}
return true;
}
static bool mlxsw_sp_netdev_is_master(struct net_device *upper_dev,
struct net_device *dev)
{
return upper_dev == netdev_master_upper_dev_get(dev);
}
static int __mlxsw_sp_netdevice_event(struct mlxsw_sp *mlxsw_sp,
unsigned long event, void *ptr,
bool process_foreign);
static int mlxsw_sp_netdevice_validate_uppers(struct mlxsw_sp *mlxsw_sp,
struct net_device *dev,
struct netlink_ext_ack *extack)
{
struct net_device *upper_dev;
struct list_head *iter;
int err;
netdev_for_each_upper_dev_rcu(dev, upper_dev, iter) {
struct netdev_notifier_changeupper_info info = {
.info = {
.dev = dev,
.extack = extack,
},
.master = mlxsw_sp_netdev_is_master(upper_dev, dev),
.upper_dev = upper_dev,
.linking = true,
.upper_info = NULL,
};
err = __mlxsw_sp_netdevice_event(mlxsw_sp,
NETDEV_PRECHANGEUPPER,
&info, true);
if (err)
return err;
err = mlxsw_sp_netdevice_validate_uppers(mlxsw_sp, upper_dev,
extack);
if (err)
return err;
}
return 0;
}
static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev,
struct net_device *dev,
unsigned long event, void *ptr,
bool replay_deslavement)
{
struct netdev_notifier_changeupper_info *info;
struct mlxsw_sp_port *mlxsw_sp_port;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
struct mlxsw_sp *mlxsw_sp;
int err = 0;
u16 proto;
mlxsw_sp_port = netdev_priv(dev);
mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
info = ptr;
extack = netdev_notifier_info_to_extack(&info->info);
switch (event) {
case NETDEV_PRECHANGEUPPER:
upper_dev = info->upper_dev;
if (!is_vlan_dev(upper_dev) &&
!netif_is_lag_master(upper_dev) &&
!netif_is_bridge_master(upper_dev) &&
!netif_is_ovs_master(upper_dev) &&
!netif_is_macvlan(upper_dev) &&
!netif_is_l3_master(upper_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
return -EINVAL;
}
if (!info->linking)
break;
if (netif_is_bridge_master(upper_dev) &&
!mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) &&
mlxsw_sp_bridge_has_vxlan(upper_dev) &&
!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
return -EOPNOTSUPP;
if (netdev_has_any_upper_dev(upper_dev) &&
(!netif_is_bridge_master(upper_dev) ||
!mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
upper_dev))) {
err = mlxsw_sp_netdevice_validate_uppers(mlxsw_sp,
upper_dev,
extack);
if (err)
return err;
}
if (netif_is_lag_master(upper_dev) &&
!mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev,
info->upper_info, extack))
return -EINVAL;
if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) {
NL_SET_ERR_MSG_MOD(extack, "Master device is a LAG master and this device has a VLAN");
return -EINVAL;
}
if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) &&
!netif_is_lag_master(vlan_dev_real_dev(upper_dev))) {
NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on a LAG port");
return -EINVAL;
}
if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) {
NL_SET_ERR_MSG_MOD(extack, "Master device is an OVS master and this device has a VLAN");
return -EINVAL;
}
if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on an OVS port");
return -EINVAL;
}
if (netif_is_bridge_master(upper_dev)) {
br_vlan_get_proto(upper_dev, &proto);
if (br_vlan_enabled(upper_dev) &&
proto != ETH_P_8021Q && proto != ETH_P_8021AD) {
NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a bridge with unknown VLAN protocol is not supported");
return -EOPNOTSUPP;
}
if (vlan_uses_dev(lower_dev) &&
br_vlan_enabled(upper_dev) &&
proto == ETH_P_8021AD) {
NL_SET_ERR_MSG_MOD(extack, "Enslaving a port that already has a VLAN upper to an 802.1ad bridge is not supported");
return -EOPNOTSUPP;
}
}
if (netif_is_bridge_port(lower_dev) && is_vlan_dev(upper_dev)) {
struct net_device *br_dev = netdev_master_upper_dev_get(lower_dev);
if (br_vlan_enabled(br_dev)) {
br_vlan_get_proto(br_dev, &proto);
if (proto == ETH_P_8021AD) {
NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are not supported on a port enslaved to an 802.1ad bridge");
return -EOPNOTSUPP;
}
}
}
if (is_vlan_dev(upper_dev) &&
ntohs(vlan_dev_vlan_proto(upper_dev)) != ETH_P_8021Q) {
NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are only supported with 802.1q VLAN protocol");
return -EOPNOTSUPP;
}
if (is_vlan_dev(upper_dev) && mlxsw_sp_port->security) {
NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are not supported on a locked port");
return -EOPNOTSUPP;
}
break;
case NETDEV_CHANGEUPPER:
upper_dev = info->upper_dev;
if (netif_is_bridge_master(upper_dev)) {
if (info->linking) {
err = mlxsw_sp_port_bridge_join(mlxsw_sp_port,
lower_dev,
upper_dev,
extack);
} else {
mlxsw_sp_port_bridge_leave(mlxsw_sp_port,
lower_dev,
upper_dev);
if (!replay_deslavement)
break;
mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp,
lower_dev);
}
} else if (netif_is_lag_master(upper_dev)) {
if (info->linking) {
err = mlxsw_sp_port_lag_join(mlxsw_sp_port,
upper_dev, extack);
} else {
mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port);
mlxsw_sp_port_lag_leave(mlxsw_sp_port,
upper_dev);
mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp,
dev);
}
} else if (netif_is_ovs_master(upper_dev)) {
if (info->linking)
err = mlxsw_sp_port_ovs_join(mlxsw_sp_port);
else
mlxsw_sp_port_ovs_leave(mlxsw_sp_port);
} else if (netif_is_macvlan(upper_dev)) {
if (!info->linking)
mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
} else if (is_vlan_dev(upper_dev)) {
struct net_device *br_dev;
if (!netif_is_bridge_port(upper_dev))
break;
if (info->linking)
break;
br_dev = netdev_master_upper_dev_get(upper_dev);
mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev,
br_dev);
}
break;
}
return err;
}
static int mlxsw_sp_netdevice_port_lower_event(struct net_device *dev,
unsigned long event, void *ptr)
{
struct netdev_notifier_changelowerstate_info *info;
struct mlxsw_sp_port *mlxsw_sp_port;
int err;
mlxsw_sp_port = netdev_priv(dev);
info = ptr;
switch (event) {
case NETDEV_CHANGELOWERSTATE:
if (netif_is_lag_port(dev) && mlxsw_sp_port->lagged) {
err = mlxsw_sp_port_lag_changed(mlxsw_sp_port,
info->lower_state_info);
if (err)
netdev_err(dev, "Failed to reflect link aggregation lower state change\n");
}
break;
}
return 0;
}
static int mlxsw_sp_netdevice_port_event(struct net_device *lower_dev,
struct net_device *port_dev,
unsigned long event, void *ptr,
bool replay_deslavement)
{
switch (event) {
case NETDEV_PRECHANGEUPPER:
case NETDEV_CHANGEUPPER:
return mlxsw_sp_netdevice_port_upper_event(lower_dev, port_dev,
event, ptr,
replay_deslavement);
case NETDEV_CHANGELOWERSTATE:
return mlxsw_sp_netdevice_port_lower_event(port_dev, event,
ptr);
}
return 0;
}
static int mlxsw_sp_netdevice_post_lag_event(struct net_device *dev,
unsigned long event,
void *ptr)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(dev);
struct netdev_notifier_changeupper_info *info = ptr;
if (!mlxsw_sp)
return 0;
switch (event) {
case NETDEV_CHANGEUPPER:
if (info->linking)
break;
if (netif_is_bridge_master(info->upper_dev))
mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp, dev);
break;
}
return 0;
}
static int mlxsw_sp_netdevice_lag_event(struct net_device *lag_dev,
unsigned long event, void *ptr)
{
struct net_device *dev;
struct list_head *iter;
int ret;
netdev_for_each_lower_dev(lag_dev, dev, iter) {
if (mlxsw_sp_port_dev_check(dev)) {
ret = mlxsw_sp_netdevice_port_event(lag_dev, dev, event,
ptr, false);
if (ret)
return ret;
}
}
return mlxsw_sp_netdevice_post_lag_event(lag_dev, event, ptr);
}
static int mlxsw_sp_netdevice_port_vlan_event(struct net_device *vlan_dev,
struct net_device *dev,
unsigned long event, void *ptr,
u16 vid, bool replay_deslavement)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct netdev_notifier_changeupper_info *info = ptr;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
int err = 0;
extack = netdev_notifier_info_to_extack(&info->info);
switch (event) {
case NETDEV_PRECHANGEUPPER:
upper_dev = info->upper_dev;
if (!netif_is_bridge_master(upper_dev) &&
!netif_is_macvlan(upper_dev) &&
!netif_is_l3_master(upper_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
return -EINVAL;
}
if (!info->linking)
break;
if (netif_is_bridge_master(upper_dev) &&
!mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) &&
mlxsw_sp_bridge_has_vxlan(upper_dev) &&
!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
return -EOPNOTSUPP;
if (netdev_has_any_upper_dev(upper_dev) &&
(!netif_is_bridge_master(upper_dev) ||
!mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
upper_dev))) {
err = mlxsw_sp_netdevice_validate_uppers(mlxsw_sp,
upper_dev,
extack);
if (err)
return err;
}
break;
case NETDEV_CHANGEUPPER:
upper_dev = info->upper_dev;
if (netif_is_bridge_master(upper_dev)) {
if (info->linking) {
err = mlxsw_sp_port_bridge_join(mlxsw_sp_port,
vlan_dev,
upper_dev,
extack);
} else {
mlxsw_sp_port_bridge_leave(mlxsw_sp_port,
vlan_dev,
upper_dev);
if (!replay_deslavement)
break;
mlxsw_sp_netdevice_deslavement_replay(mlxsw_sp,
vlan_dev);
}
} else if (netif_is_macvlan(upper_dev)) {
if (!info->linking)
mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
}
break;
}
return err;
}
static int mlxsw_sp_netdevice_lag_port_vlan_event(struct net_device *vlan_dev,
struct net_device *lag_dev,
unsigned long event,
void *ptr, u16 vid)
{
struct net_device *dev;
struct list_head *iter;
int ret;
netdev_for_each_lower_dev(lag_dev, dev, iter) {
if (mlxsw_sp_port_dev_check(dev)) {
ret = mlxsw_sp_netdevice_port_vlan_event(vlan_dev, dev,
event, ptr,
vid, false);
if (ret)
return ret;
}
}
return mlxsw_sp_netdevice_post_lag_event(vlan_dev, event, ptr);
}
static int mlxsw_sp_netdevice_bridge_vlan_event(struct mlxsw_sp *mlxsw_sp,
struct net_device *vlan_dev,
struct net_device *br_dev,
unsigned long event, void *ptr,
u16 vid, bool process_foreign)
{
struct netdev_notifier_changeupper_info *info = ptr;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
if (!process_foreign && !mlxsw_sp_lower_get(vlan_dev))
return 0;
extack = netdev_notifier_info_to_extack(&info->info);
switch (event) {
case NETDEV_PRECHANGEUPPER:
upper_dev = info->upper_dev;
if (!netif_is_macvlan(upper_dev) &&
!netif_is_l3_master(upper_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
return -EOPNOTSUPP;
}
break;
case NETDEV_CHANGEUPPER:
upper_dev = info->upper_dev;
if (info->linking)
break;
if (netif_is_macvlan(upper_dev))
mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
break;
}
return 0;
}
static int mlxsw_sp_netdevice_vlan_event(struct mlxsw_sp *mlxsw_sp,
struct net_device *vlan_dev,
unsigned long event, void *ptr,
bool process_foreign)
{
struct net_device *real_dev = vlan_dev_real_dev(vlan_dev);
u16 vid = vlan_dev_vlan_id(vlan_dev);
if (mlxsw_sp_port_dev_check(real_dev))
return mlxsw_sp_netdevice_port_vlan_event(vlan_dev, real_dev,
event, ptr, vid,
true);
else if (netif_is_lag_master(real_dev))
return mlxsw_sp_netdevice_lag_port_vlan_event(vlan_dev,
real_dev, event,
ptr, vid);
else if (netif_is_bridge_master(real_dev))
return mlxsw_sp_netdevice_bridge_vlan_event(mlxsw_sp, vlan_dev,
real_dev, event,
ptr, vid,
process_foreign);
return 0;
}
static int mlxsw_sp_netdevice_bridge_event(struct mlxsw_sp *mlxsw_sp,
struct net_device *br_dev,
unsigned long event, void *ptr,
bool process_foreign)
{
struct netdev_notifier_changeupper_info *info = ptr;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
u16 proto;
if (!process_foreign && !mlxsw_sp_lower_get(br_dev))
return 0;
extack = netdev_notifier_info_to_extack(&info->info);
switch (event) {
case NETDEV_PRECHANGEUPPER:
upper_dev = info->upper_dev;
if (!is_vlan_dev(upper_dev) &&
!netif_is_macvlan(upper_dev) &&
!netif_is_l3_master(upper_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
return -EOPNOTSUPP;
}
if (!info->linking)
break;
if (br_vlan_enabled(br_dev)) {
br_vlan_get_proto(br_dev, &proto);
if (proto == ETH_P_8021AD) {
NL_SET_ERR_MSG_MOD(extack, "Upper devices are not supported on top of an 802.1ad bridge");
return -EOPNOTSUPP;
}
}
if (is_vlan_dev(upper_dev) &&
ntohs(vlan_dev_vlan_proto(upper_dev)) != ETH_P_8021Q) {
NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are only supported with 802.1q VLAN protocol");
return -EOPNOTSUPP;
}
break;
case NETDEV_CHANGEUPPER:
upper_dev = info->upper_dev;
if (info->linking)
break;
if (is_vlan_dev(upper_dev))
mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, upper_dev);
if (netif_is_macvlan(upper_dev))
mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
break;
}
return 0;
}
static int mlxsw_sp_netdevice_macvlan_event(struct net_device *macvlan_dev,
unsigned long event, void *ptr)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(macvlan_dev);
struct netdev_notifier_changeupper_info *info = ptr;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
if (!mlxsw_sp || event != NETDEV_PRECHANGEUPPER)
return 0;
extack = netdev_notifier_info_to_extack(&info->info);
upper_dev = info->upper_dev;
if (!netif_is_l3_master(upper_dev)) {
NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
return -EOPNOTSUPP;
}
return 0;
}
static int mlxsw_sp_netdevice_vxlan_event(struct mlxsw_sp *mlxsw_sp,
struct net_device *dev,
unsigned long event, void *ptr)
{
struct netdev_notifier_changeupper_info *cu_info;
struct netdev_notifier_info *info = ptr;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
extack = netdev_notifier_info_to_extack(info);
switch (event) {
case NETDEV_CHANGEUPPER:
cu_info = container_of(info,
struct netdev_notifier_changeupper_info,
info);
upper_dev = cu_info->upper_dev;
if (!netif_is_bridge_master(upper_dev))
return 0;
if (!mlxsw_sp_lower_get(upper_dev))
return 0;
if (!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
return -EOPNOTSUPP;
if (!netif_running(dev))
return 0;
if (cu_info->linking)
return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev,
dev, 0, extack);
else
mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev);
break;
case NETDEV_PRE_UP:
upper_dev = netdev_master_upper_dev_get(dev);
if (!upper_dev)
return 0;
if (!netif_is_bridge_master(upper_dev))
return 0;
if (!mlxsw_sp_lower_get(upper_dev))
return 0;
return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, dev, 0,
extack);
case NETDEV_DOWN:
upper_dev = netdev_master_upper_dev_get(dev);
if (!upper_dev)
return 0;
if (!netif_is_bridge_master(upper_dev))
return 0;
if (!mlxsw_sp_lower_get(upper_dev))
return 0;
mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev);
break;
}
return 0;
}
static int __mlxsw_sp_netdevice_event(struct mlxsw_sp *mlxsw_sp,
unsigned long event, void *ptr,
bool process_foreign)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct mlxsw_sp_span_entry *span_entry;
int err = 0;
if (event == NETDEV_UNREGISTER) {
span_entry = mlxsw_sp_span_entry_find_by_port(mlxsw_sp, dev);
if (span_entry)
mlxsw_sp_span_entry_invalidate(mlxsw_sp, span_entry);
}
if (netif_is_vxlan(dev))
err = mlxsw_sp_netdevice_vxlan_event(mlxsw_sp, dev, event, ptr);
else if (mlxsw_sp_port_dev_check(dev))
err = mlxsw_sp_netdevice_port_event(dev, dev, event, ptr, true);
else if (netif_is_lag_master(dev))
err = mlxsw_sp_netdevice_lag_event(dev, event, ptr);
else if (is_vlan_dev(dev))
err = mlxsw_sp_netdevice_vlan_event(mlxsw_sp, dev, event, ptr,
process_foreign);
else if (netif_is_bridge_master(dev))
err = mlxsw_sp_netdevice_bridge_event(mlxsw_sp, dev, event, ptr,
process_foreign);
else if (netif_is_macvlan(dev))
err = mlxsw_sp_netdevice_macvlan_event(dev, event, ptr);
return err;
}
static int mlxsw_sp_netdevice_event(struct notifier_block *nb,
unsigned long event, void *ptr)
{
struct mlxsw_sp *mlxsw_sp;
int err;
mlxsw_sp = container_of(nb, struct mlxsw_sp, netdevice_nb);
mlxsw_sp_span_respin(mlxsw_sp);
err = __mlxsw_sp_netdevice_event(mlxsw_sp, event, ptr, false);
return notifier_from_errno(err);
}
static const struct pci_device_id mlxsw_sp1_pci_id_table[] = {
{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0},
{0, },
};
static struct pci_driver mlxsw_sp1_pci_driver = {
.name = mlxsw_sp1_driver_name,
.id_table = mlxsw_sp1_pci_id_table,
};
static const struct pci_device_id mlxsw_sp2_pci_id_table[] = {
{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM2), 0},
{0, },
};
static struct pci_driver mlxsw_sp2_pci_driver = {
.name = mlxsw_sp2_driver_name,
.id_table = mlxsw_sp2_pci_id_table,
};
static const struct pci_device_id mlxsw_sp3_pci_id_table[] = {
{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM3), 0},
{0, },
};
static struct pci_driver mlxsw_sp3_pci_driver = {
.name = mlxsw_sp3_driver_name,
.id_table = mlxsw_sp3_pci_id_table,
};
static const struct pci_device_id mlxsw_sp4_pci_id_table[] = {
{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM4), 0},
{0, },
};
static struct pci_driver mlxsw_sp4_pci_driver = {
.name = mlxsw_sp4_driver_name,
.id_table = mlxsw_sp4_pci_id_table,
};
static int __init mlxsw_sp_module_init(void)
{
int err;
err = mlxsw_core_driver_register(&mlxsw_sp1_driver);
if (err)
return err;
err = mlxsw_core_driver_register(&mlxsw_sp2_driver);
if (err)
goto err_sp2_core_driver_register;
err = mlxsw_core_driver_register(&mlxsw_sp3_driver);
if (err)
goto err_sp3_core_driver_register;
err = mlxsw_core_driver_register(&mlxsw_sp4_driver);
if (err)
goto err_sp4_core_driver_register;
err = mlxsw_pci_driver_register(&mlxsw_sp1_pci_driver);
if (err)
goto err_sp1_pci_driver_register;
err = mlxsw_pci_driver_register(&mlxsw_sp2_pci_driver);
if (err)
goto err_sp2_pci_driver_register;
err = mlxsw_pci_driver_register(&mlxsw_sp3_pci_driver);
if (err)
goto err_sp3_pci_driver_register;
err = mlxsw_pci_driver_register(&mlxsw_sp4_pci_driver);
if (err)
goto err_sp4_pci_driver_register;
return 0;
err_sp4_pci_driver_register:
mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver);
err_sp3_pci_driver_register:
mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
err_sp2_pci_driver_register:
mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
err_sp1_pci_driver_register:
mlxsw_core_driver_unregister(&mlxsw_sp4_driver);
err_sp4_core_driver_register:
mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
err_sp3_core_driver_register:
mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
err_sp2_core_driver_register:
mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
return err;
}
static void __exit mlxsw_sp_module_exit(void)
{
mlxsw_pci_driver_unregister(&mlxsw_sp4_pci_driver);
mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver);
mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
mlxsw_core_driver_unregister(&mlxsw_sp4_driver);
mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
}
module_init(mlxsw_sp_module_init);
module_exit(mlxsw_sp_module_exit);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>");
MODULE_DESCRIPTION("Mellanox Spectrum driver");
MODULE_DEVICE_TABLE(pci, mlxsw_sp1_pci_id_table);
MODULE_DEVICE_TABLE(pci, mlxsw_sp2_pci_id_table);
MODULE_DEVICE_TABLE(pci, mlxsw_sp3_pci_id_table);
MODULE_DEVICE_TABLE(pci, mlxsw_sp4_pci_id_table);
MODULE_FIRMWARE(MLXSW_SP1_FW_FILENAME);
MODULE_FIRMWARE(MLXSW_SP2_FW_FILENAME);
MODULE_FIRMWARE(MLXSW_SP3_FW_FILENAME);
MODULE_FIRMWARE(MLXSW_SP_LINECARDS_INI_BUNDLE_FILENAME);
