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path: root/drivers/net/ethernet/mellanox/mlxsw
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core.c11
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core_env.c48
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/pci.c54
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/reg.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c61
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c14
6 files changed, 116 insertions, 73 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
index e9ccd333f61d..71b6185b4904 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -710,7 +710,7 @@ static int mlxsw_emad_init(struct mlxsw_core *mlxsw_core)
err = mlxsw_core_trap_register(mlxsw_core, &mlxsw_emad_rx_listener,
mlxsw_core);
if (err)
- return err;
+ goto err_trap_register;
err = mlxsw_core->driver->basic_trap_groups_set(mlxsw_core);
if (err)
@@ -722,6 +722,7 @@ static int mlxsw_emad_init(struct mlxsw_core *mlxsw_core)
err_emad_trap_set:
mlxsw_core_trap_unregister(mlxsw_core, &mlxsw_emad_rx_listener,
mlxsw_core);
+err_trap_register:
destroy_workqueue(mlxsw_core->emad_wq);
return err;
}
@@ -1813,7 +1814,7 @@ static int mlxsw_core_reg_access_emad(struct mlxsw_core *mlxsw_core,
err = mlxsw_emad_reg_access(mlxsw_core, reg, payload, type, trans,
bulk_list, cb, cb_priv, tid);
if (err) {
- kfree(trans);
+ kfree_rcu(trans, rcu);
return err;
}
return 0;
@@ -2050,11 +2051,13 @@ void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
break;
}
}
- rcu_read_unlock();
- if (!found)
+ if (!found) {
+ rcu_read_unlock();
goto drop;
+ }
rxl->func(skb, local_port, rxl_item->priv);
+ rcu_read_unlock();
return;
drop:
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_env.c b/drivers/net/ethernet/mellanox/mlxsw/core_env.c
index 08215fed193d..a7d86df7123f 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_env.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_env.c
@@ -45,7 +45,7 @@ static int mlxsw_env_validate_cable_ident(struct mlxsw_core *core, int id,
static int
mlxsw_env_query_module_eeprom(struct mlxsw_core *mlxsw_core, int module,
u16 offset, u16 size, void *data,
- unsigned int *p_read_size)
+ bool qsfp, unsigned int *p_read_size)
{
char eeprom_tmp[MLXSW_REG_MCIA_EEPROM_SIZE];
char mcia_pl[MLXSW_REG_MCIA_LEN];
@@ -54,6 +54,10 @@ mlxsw_env_query_module_eeprom(struct mlxsw_core *mlxsw_core, int module,
int status;
int err;
+ /* MCIA register accepts buffer size <= 48. Page of size 128 should be
+ * read by chunks of size 48, 48, 32. Align the size of the last chunk
+ * to avoid reading after the end of the page.
+ */
size = min_t(u16, size, MLXSW_REG_MCIA_EEPROM_SIZE);
if (offset < MLXSW_REG_MCIA_EEPROM_PAGE_LENGTH &&
@@ -63,18 +67,25 @@ mlxsw_env_query_module_eeprom(struct mlxsw_core *mlxsw_core, int module,
i2c_addr = MLXSW_REG_MCIA_I2C_ADDR_LOW;
if (offset >= MLXSW_REG_MCIA_EEPROM_PAGE_LENGTH) {
- page = MLXSW_REG_MCIA_PAGE_GET(offset);
- offset -= MLXSW_REG_MCIA_EEPROM_UP_PAGE_LENGTH * page;
- /* When reading upper pages 1, 2 and 3 the offset starts at
- * 128. Please refer to "QSFP+ Memory Map" figure in SFF-8436
- * specification for graphical depiction.
- * MCIA register accepts buffer size <= 48. Page of size 128
- * should be read by chunks of size 48, 48, 32. Align the size
- * of the last chunk to avoid reading after the end of the
- * page.
- */
- if (offset + size > MLXSW_REG_MCIA_EEPROM_PAGE_LENGTH)
- size = MLXSW_REG_MCIA_EEPROM_PAGE_LENGTH - offset;
+ if (qsfp) {
+ /* When reading upper pages 1, 2 and 3 the offset
+ * starts at 128. Please refer to "QSFP+ Memory Map"
+ * figure in SFF-8436 specification for graphical
+ * depiction.
+ */
+ page = MLXSW_REG_MCIA_PAGE_GET(offset);
+ offset -= MLXSW_REG_MCIA_EEPROM_UP_PAGE_LENGTH * page;
+ if (offset + size > MLXSW_REG_MCIA_EEPROM_PAGE_LENGTH)
+ size = MLXSW_REG_MCIA_EEPROM_PAGE_LENGTH - offset;
+ } else {
+ /* When reading upper pages 1, 2 and 3 the offset
+ * starts at 0 and I2C high address is used. Please refer
+ * refer to "Memory Organization" figure in SFF-8472
+ * specification for graphical depiction.
+ */
+ i2c_addr = MLXSW_REG_MCIA_I2C_ADDR_HIGH;
+ offset -= MLXSW_REG_MCIA_EEPROM_PAGE_LENGTH;
+ }
}
mlxsw_reg_mcia_pack(mcia_pl, module, 0, page, offset, size, i2c_addr);
@@ -166,7 +177,7 @@ int mlxsw_env_get_module_info(struct mlxsw_core *mlxsw_core, int module,
int err;
err = mlxsw_env_query_module_eeprom(mlxsw_core, module, 0, offset,
- module_info, &read_size);
+ module_info, false, &read_size);
if (err)
return err;
@@ -197,7 +208,7 @@ int mlxsw_env_get_module_info(struct mlxsw_core *mlxsw_core, int module,
/* Verify if transceiver provides diagnostic monitoring page */
err = mlxsw_env_query_module_eeprom(mlxsw_core, module,
SFP_DIAGMON, 1, &diag_mon,
- &read_size);
+ false, &read_size);
if (err)
return err;
@@ -225,17 +236,22 @@ int mlxsw_env_get_module_eeprom(struct net_device *netdev,
int offset = ee->offset;
unsigned int read_size;
int i = 0;
+ bool qsfp;
int err;
if (!ee->len)
return -EINVAL;
memset(data, 0, ee->len);
+ /* Validate module identifier value. */
+ err = mlxsw_env_validate_cable_ident(mlxsw_core, module, &qsfp);
+ if (err)
+ return err;
while (i < ee->len) {
err = mlxsw_env_query_module_eeprom(mlxsw_core, module, offset,
ee->len - i, data + i,
- &read_size);
+ qsfp, &read_size);
if (err) {
netdev_err(netdev, "Eeprom query failed\n");
return err;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c
index fd0e97de44e7..c04ec1a92826 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c
@@ -1414,23 +1414,12 @@ static int mlxsw_pci_init(void *bus_priv, struct mlxsw_core *mlxsw_core,
u16 num_pages;
int err;
- mutex_init(&mlxsw_pci->cmd.lock);
- init_waitqueue_head(&mlxsw_pci->cmd.wait);
-
mlxsw_pci->core = mlxsw_core;
mbox = mlxsw_cmd_mbox_alloc();
if (!mbox)
return -ENOMEM;
- err = mlxsw_pci_mbox_alloc(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
- if (err)
- goto mbox_put;
-
- err = mlxsw_pci_mbox_alloc(mlxsw_pci, &mlxsw_pci->cmd.out_mbox);
- if (err)
- goto err_out_mbox_alloc;
-
err = mlxsw_pci_sw_reset(mlxsw_pci, mlxsw_pci->id);
if (err)
goto err_sw_reset;
@@ -1537,9 +1526,6 @@ err_query_fw:
mlxsw_pci_free_irq_vectors(mlxsw_pci);
err_alloc_irq:
err_sw_reset:
- mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.out_mbox);
-err_out_mbox_alloc:
- mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
mbox_put:
mlxsw_cmd_mbox_free(mbox);
return err;
@@ -1553,8 +1539,6 @@ static void mlxsw_pci_fini(void *bus_priv)
mlxsw_pci_aqs_fini(mlxsw_pci);
mlxsw_pci_fw_area_fini(mlxsw_pci);
mlxsw_pci_free_irq_vectors(mlxsw_pci);
- mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.out_mbox);
- mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
}
static struct mlxsw_pci_queue *
@@ -1776,6 +1760,37 @@ static const struct mlxsw_bus mlxsw_pci_bus = {
.features = MLXSW_BUS_F_TXRX | MLXSW_BUS_F_RESET,
};
+static int mlxsw_pci_cmd_init(struct mlxsw_pci *mlxsw_pci)
+{
+ int err;
+
+ mutex_init(&mlxsw_pci->cmd.lock);
+ init_waitqueue_head(&mlxsw_pci->cmd.wait);
+
+ err = mlxsw_pci_mbox_alloc(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
+ if (err)
+ goto err_in_mbox_alloc;
+
+ err = mlxsw_pci_mbox_alloc(mlxsw_pci, &mlxsw_pci->cmd.out_mbox);
+ if (err)
+ goto err_out_mbox_alloc;
+
+ return 0;
+
+err_out_mbox_alloc:
+ mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
+err_in_mbox_alloc:
+ mutex_destroy(&mlxsw_pci->cmd.lock);
+ return err;
+}
+
+static void mlxsw_pci_cmd_fini(struct mlxsw_pci *mlxsw_pci)
+{
+ mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.out_mbox);
+ mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.in_mbox);
+ mutex_destroy(&mlxsw_pci->cmd.lock);
+}
+
static int mlxsw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
const char *driver_name = pdev->driver->name;
@@ -1831,6 +1846,10 @@ static int mlxsw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mlxsw_pci->pdev = pdev;
pci_set_drvdata(pdev, mlxsw_pci);
+ err = mlxsw_pci_cmd_init(mlxsw_pci);
+ if (err)
+ goto err_pci_cmd_init;
+
mlxsw_pci->bus_info.device_kind = driver_name;
mlxsw_pci->bus_info.device_name = pci_name(mlxsw_pci->pdev);
mlxsw_pci->bus_info.dev = &pdev->dev;
@@ -1848,6 +1867,8 @@ static int mlxsw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;
err_bus_device_register:
+ mlxsw_pci_cmd_fini(mlxsw_pci);
+err_pci_cmd_init:
iounmap(mlxsw_pci->hw_addr);
err_ioremap:
err_pci_resource_len_check:
@@ -1865,6 +1886,7 @@ static void mlxsw_pci_remove(struct pci_dev *pdev)
struct mlxsw_pci *mlxsw_pci = pci_get_drvdata(pdev);
mlxsw_core_bus_device_unregister(mlxsw_pci->core, false);
+ mlxsw_pci_cmd_fini(mlxsw_pci);
iounmap(mlxsw_pci->hw_addr);
pci_release_regions(mlxsw_pci->pdev);
pci_disable_device(mlxsw_pci->pdev);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index fcb88d4271bf..8ac987c8c8bc 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -5536,6 +5536,7 @@ enum mlxsw_reg_htgt_trap_group {
MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST,
MLXSW_REG_HTGT_TRAP_GROUP_SP_NEIGH_DISCOVERY,
MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_EXTERNAL_ROUTE,
MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME,
MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP,
MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT,
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 770de0222e7b..0521e9d48c45 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -5001,15 +5001,6 @@ static void mlxsw_sp_router_fib4_del(struct mlxsw_sp *mlxsw_sp,
static bool mlxsw_sp_fib6_rt_should_ignore(const struct fib6_info *rt)
{
- /* Packets with link-local destination IP arriving to the router
- * are trapped to the CPU, so no need to program specific routes
- * for them. Only allow prefix routes (usually one fe80::/64) so
- * that packets are trapped for the right reason.
- */
- if ((ipv6_addr_type(&rt->fib6_dst.addr) & IPV6_ADDR_LINKLOCAL) &&
- (rt->fib6_flags & (RTF_LOCAL | RTF_ANYCAST)))
- return true;
-
/* Multicast routes aren't supported, so ignore them. Neighbour
* Discovery packets are specifically trapped.
*/
@@ -6262,7 +6253,7 @@ static int mlxsw_sp_router_fib_event(struct notifier_block *nb,
}
fib_work = kzalloc(sizeof(*fib_work), GFP_ATOMIC);
- if (WARN_ON(!fib_work))
+ if (!fib_work)
return NOTIFY_BAD;
fib_work->mlxsw_sp = router->mlxsw_sp;
@@ -8078,16 +8069,6 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp,
mlxsw_sp->router = router;
router->mlxsw_sp = mlxsw_sp;
- router->inetaddr_nb.notifier_call = mlxsw_sp_inetaddr_event;
- err = register_inetaddr_notifier(&router->inetaddr_nb);
- if (err)
- goto err_register_inetaddr_notifier;
-
- router->inet6addr_nb.notifier_call = mlxsw_sp_inet6addr_event;
- err = register_inet6addr_notifier(&router->inet6addr_nb);
- if (err)
- goto err_register_inet6addr_notifier;
-
INIT_LIST_HEAD(&mlxsw_sp->router->nexthop_neighs_list);
err = __mlxsw_sp_router_init(mlxsw_sp);
if (err)
@@ -8128,12 +8109,6 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp,
if (err)
goto err_neigh_init;
- mlxsw_sp->router->netevent_nb.notifier_call =
- mlxsw_sp_router_netevent_event;
- err = register_netevent_notifier(&mlxsw_sp->router->netevent_nb);
- if (err)
- goto err_register_netevent_notifier;
-
err = mlxsw_sp_mp_hash_init(mlxsw_sp);
if (err)
goto err_mp_hash_init;
@@ -8142,6 +8117,22 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp,
if (err)
goto err_dscp_init;
+ router->inetaddr_nb.notifier_call = mlxsw_sp_inetaddr_event;
+ err = register_inetaddr_notifier(&router->inetaddr_nb);
+ if (err)
+ goto err_register_inetaddr_notifier;
+
+ router->inet6addr_nb.notifier_call = mlxsw_sp_inet6addr_event;
+ err = register_inet6addr_notifier(&router->inet6addr_nb);
+ if (err)
+ goto err_register_inet6addr_notifier;
+
+ mlxsw_sp->router->netevent_nb.notifier_call =
+ mlxsw_sp_router_netevent_event;
+ err = register_netevent_notifier(&mlxsw_sp->router->netevent_nb);
+ if (err)
+ goto err_register_netevent_notifier;
+
mlxsw_sp->router->fib_nb.notifier_call = mlxsw_sp_router_fib_event;
err = register_fib_notifier(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->router->fib_nb,
@@ -8152,10 +8143,15 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp,
return 0;
err_register_fib_notifier:
-err_dscp_init:
-err_mp_hash_init:
unregister_netevent_notifier(&mlxsw_sp->router->netevent_nb);
err_register_netevent_notifier:
+ unregister_inet6addr_notifier(&router->inet6addr_nb);
+err_register_inet6addr_notifier:
+ unregister_inetaddr_notifier(&router->inetaddr_nb);
+err_register_inetaddr_notifier:
+ mlxsw_core_flush_owq();
+err_dscp_init:
+err_mp_hash_init:
mlxsw_sp_neigh_fini(mlxsw_sp);
err_neigh_init:
mlxsw_sp_vrs_fini(mlxsw_sp);
@@ -8174,10 +8170,6 @@ err_ipips_init:
err_rifs_init:
__mlxsw_sp_router_fini(mlxsw_sp);
err_router_init:
- unregister_inet6addr_notifier(&router->inet6addr_nb);
-err_register_inet6addr_notifier:
- unregister_inetaddr_notifier(&router->inetaddr_nb);
-err_register_inetaddr_notifier:
mutex_destroy(&mlxsw_sp->router->lock);
kfree(mlxsw_sp->router);
return err;
@@ -8188,6 +8180,9 @@ void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp)
unregister_fib_notifier(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->router->fib_nb);
unregister_netevent_notifier(&mlxsw_sp->router->netevent_nb);
+ unregister_inet6addr_notifier(&mlxsw_sp->router->inet6addr_nb);
+ unregister_inetaddr_notifier(&mlxsw_sp->router->inetaddr_nb);
+ mlxsw_core_flush_owq();
mlxsw_sp_neigh_fini(mlxsw_sp);
mlxsw_sp_vrs_fini(mlxsw_sp);
mlxsw_sp_mr_fini(mlxsw_sp);
@@ -8197,8 +8192,6 @@ void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp)
mlxsw_sp_ipips_fini(mlxsw_sp);
mlxsw_sp_rifs_fini(mlxsw_sp);
__mlxsw_sp_router_fini(mlxsw_sp);
- unregister_inet6addr_notifier(&mlxsw_sp->router->inet6addr_nb);
- unregister_inetaddr_notifier(&mlxsw_sp->router->inetaddr_nb);
mutex_destroy(&mlxsw_sp->router->lock);
kfree(mlxsw_sp->router);
}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
index 157a42c63066..1e38dfe7cf64 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
@@ -328,6 +328,9 @@ mlxsw_sp_trap_policer_items_arr[] = {
{
.policer = MLXSW_SP_TRAP_POLICER(18, 1024, 128),
},
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(19, 1024, 512),
+ },
};
static const struct mlxsw_sp_trap_group_item mlxsw_sp_trap_group_items_arr[] = {
@@ -422,6 +425,11 @@ static const struct mlxsw_sp_trap_group_item mlxsw_sp_trap_group_items_arr[] = {
.priority = 2,
},
{
+ .group = DEVLINK_TRAP_GROUP_GENERIC(EXTERNAL_DELIVERY, 19),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_EXTERNAL_ROUTE,
+ .priority = 1,
+ },
+ {
.group = DEVLINK_TRAP_GROUP_GENERIC(IPV6, 15),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6,
.priority = 2,
@@ -882,11 +890,11 @@ static const struct mlxsw_sp_trap_item mlxsw_sp_trap_items_arr[] = {
},
},
{
- .trap = MLXSW_SP_TRAP_CONTROL(EXTERNAL_ROUTE, LOCAL_DELIVERY,
+ .trap = MLXSW_SP_TRAP_CONTROL(EXTERNAL_ROUTE, EXTERNAL_DELIVERY,
TRAP),
.listeners_arr = {
- MLXSW_SP_RXL_MARK(RTR_INGRESS0, IP2ME, TRAP_TO_CPU,
- false),
+ MLXSW_SP_RXL_MARK(RTR_INGRESS0, EXTERNAL_ROUTE,
+ TRAP_TO_CPU, false),
},
},
{