Adding upstream version 6.8.12.upstream/6.8.12

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

9 files changed, 78 insertions, 49 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 4957412ff..20768ef2e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -969,19 +969,32 @@ static void cmd_work_handler(struct work_struct *work)
 	bool poll_cmd = ent->polling;
 	struct mlx5_cmd_layout *lay;
 	struct mlx5_core_dev *dev;
-	unsigned long cb_timeout;
-	struct semaphore *sem;
+	unsigned long timeout;
 	unsigned long flags;
 	int alloc_ret;
 	int cmd_mode;
 
+	complete(&ent->handling);
+
 	dev = container_of(cmd, struct mlx5_core_dev, cmd);
-	cb_timeout = msecs_to_jiffies(mlx5_tout_ms(dev, CMD));
+	timeout = msecs_to_jiffies(mlx5_tout_ms(dev, CMD));
 
-	complete(&ent->handling);
-	sem = ent->page_queue ? &cmd->vars.pages_sem : &cmd->vars.sem;
-	down(sem);
 	if (!ent->page_queue) {
+		if (down_timeout(&cmd->vars.sem, timeout)) {
+			mlx5_core_warn(dev, "%s(0x%x) timed out while waiting for a slot.\n",
+				       mlx5_command_str(ent->op), ent->op);
+			if (ent->callback) {
+				ent->callback(-EBUSY, ent->context);
+				mlx5_free_cmd_msg(dev, ent->out);
+				free_msg(dev, ent->in);
+				cmd_ent_put(ent);
+			} else {
+				ent->ret = -EBUSY;
+				complete(&ent->done);
+			}
+			complete(&ent->slotted);
+			return;
+		}
 		alloc_ret = cmd_alloc_index(cmd, ent);
 		if (alloc_ret < 0) {
 			mlx5_core_err_rl(dev, "failed to allocate command entry\n");
@@ -994,10 +1007,11 @@ static void cmd_work_handler(struct work_struct *work)
 				ent->ret = -EAGAIN;
 				complete(&ent->done);
 			}
-			up(sem);
+			up(&cmd->vars.sem);
 			return;
 		}
 	} else {
+		down(&cmd->vars.pages_sem);
 		ent->idx = cmd->vars.max_reg_cmds;
 		spin_lock_irqsave(&cmd->alloc_lock, flags);
 		clear_bit(ent->idx, &cmd->vars.bitmask);
@@ -1005,6 +1019,8 @@ static void cmd_work_handler(struct work_struct *work)
 		spin_unlock_irqrestore(&cmd->alloc_lock, flags);
 	}
 
+	complete(&ent->slotted);
+
 	lay = get_inst(cmd, ent->idx);
 	ent->lay = lay;
 	memset(lay, 0, sizeof(*lay));
@@ -1023,7 +1039,7 @@ static void cmd_work_handler(struct work_struct *work)
 	ent->ts1 = ktime_get_ns();
 	cmd_mode = cmd->mode;
 
-	if (ent->callback && schedule_delayed_work(&ent->cb_timeout_work, cb_timeout))
+	if (ent->callback && schedule_delayed_work(&ent->cb_timeout_work, timeout))
 		cmd_ent_get(ent);
 	set_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state);
 
@@ -1143,6 +1159,9 @@ static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent)
 		ent->ret = -ECANCELED;
 		goto out_err;
 	}
+
+	wait_for_completion(&ent->slotted);
+
 	if (cmd->mode == CMD_MODE_POLLING || ent->polling)
 		wait_for_completion(&ent->done);
 	else if (!wait_for_completion_timeout(&ent->done, timeout))
@@ -1157,6 +1176,9 @@ out_err:
 	} else if (err == -ECANCELED) {
 		mlx5_core_warn(dev, "%s(0x%x) canceled on out of queue timeout.\n",
 			       mlx5_command_str(ent->op), ent->op);
+	} else if (err == -EBUSY) {
+		mlx5_core_warn(dev, "%s(0x%x) timeout while waiting for command semaphore.\n",
+			       mlx5_command_str(ent->op), ent->op);
 	}
 	mlx5_core_dbg(dev, "err %d, delivery status %s(%d)\n",
 		      err, deliv_status_to_str(ent->status), ent->status);
@@ -1208,6 +1230,7 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in,
 	ent->polling = force_polling;
 
 	init_completion(&ent->handling);
+	init_completion(&ent->slotted);
 	if (!callback)
 		init_completion(&ent->done);
 
@@ -1225,7 +1248,7 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in,
 		return 0; /* mlx5_cmd_comp_handler() will put(ent) */
 
 	err = wait_func(dev, ent);
-	if (err == -ETIMEDOUT || err == -ECANCELED)
+	if (err == -ETIMEDOUT || err == -ECANCELED || err == -EBUSY)
 		goto out_free;
 
 	ds = ent->ts2 - ent->ts1;
@@ -1611,6 +1634,9 @@ static int cmd_comp_notifier(struct notifier_block *nb,
 	dev = container_of(cmd, struct mlx5_core_dev, cmd);
 	eqe = data;
 
+	if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR)
+		return NOTIFY_DONE;
+
 	mlx5_cmd_comp_handler(dev, be32_to_cpu(eqe->data.cmd.vector), false);
 
 	return NOTIFY_OK;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c
index 82e6abbc1..c969b8e70 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c
@@ -28,8 +28,10 @@ bool mlx5e_validate_xsk_param(struct mlx5e_params *params,
 			      struct mlx5e_xsk_param *xsk,
 			      struct mlx5_core_dev *mdev)
 {
-	/* AF_XDP doesn't support frames larger than PAGE_SIZE. */
-	if (xsk->chunk_size > PAGE_SIZE || xsk->chunk_size < MLX5E_MIN_XSK_CHUNK_SIZE) {
+	/* AF_XDP doesn't support frames larger than PAGE_SIZE,
+	 * and xsk->chunk_size is limited to 65535 bytes.
+	 */
+	if ((size_t)xsk->chunk_size > PAGE_SIZE || xsk->chunk_size < MLX5E_MIN_XSK_CHUNK_SIZE) {
 		mlx5_core_err(mdev, "XSK chunk size %u out of bounds [%u, %lu]\n", xsk->chunk_size,
 			      MLX5E_MIN_XSK_CHUNK_SIZE, PAGE_SIZE);
 		return false;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c
index 1b9bc32ef..c5ea1d1d2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c
@@ -1874,7 +1874,7 @@ int mlx5_esw_bridge_port_mdb_add(struct net_device *dev, u16 vport_num, u16 esw_
 				 "Failed to lookup bridge port vlan metadata to create MDB (MAC=%pM,vid=%u,vport=%u)\n",
 				 addr, vid, vport_num);
 			NL_SET_ERR_MSG_FMT_MOD(extack,
-					       "Failed to lookup bridge port vlan metadata to create MDB (MAC=%pM,vid=%u,vport=%u)\n",
+					       "Failed to lookup vlan metadata for MDB (MAC=%pM,vid=%u,vport=%u)\n",
 					       addr, vid, vport_num);
 			return -EINVAL;
 		}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index 349e28a6d..ef5567487 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -833,7 +833,7 @@ int mlx5_eswitch_offloads_single_fdb_add_one(struct mlx5_eswitch *master_esw,
 					     struct mlx5_eswitch *slave_esw, int max_slaves);
 void mlx5_eswitch_offloads_single_fdb_del_one(struct mlx5_eswitch *master_esw,
 					      struct mlx5_eswitch *slave_esw);
-int mlx5_eswitch_reload_reps(struct mlx5_eswitch *esw);
+int mlx5_eswitch_reload_ib_reps(struct mlx5_eswitch *esw);
 
 bool mlx5_eswitch_block_encap(struct mlx5_core_dev *dev);
 void mlx5_eswitch_unblock_encap(struct mlx5_core_dev *dev);
@@ -925,7 +925,7 @@ mlx5_eswitch_offloads_single_fdb_del_one(struct mlx5_eswitch *master_esw,
 static inline int mlx5_eswitch_get_npeers(struct mlx5_eswitch *esw) { return 0; }
 
 static inline int
-mlx5_eswitch_reload_reps(struct mlx5_eswitch *esw)
+mlx5_eswitch_reload_ib_reps(struct mlx5_eswitch *esw)
 {
 	return 0;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index e3cce110e..58529d1a9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -2501,6 +2501,16 @@ void esw_offloads_cleanup(struct mlx5_eswitch *esw)
 	esw_offloads_cleanup_reps(esw);
 }
 
+static int __esw_offloads_load_rep(struct mlx5_eswitch *esw,
+				   struct mlx5_eswitch_rep *rep, u8 rep_type)
+{
+	if (atomic_cmpxchg(&rep->rep_data[rep_type].state,
+			   REP_REGISTERED, REP_LOADED) == REP_REGISTERED)
+		return esw->offloads.rep_ops[rep_type]->load(esw->dev, rep);
+
+	return 0;
+}
+
 static void __esw_offloads_unload_rep(struct mlx5_eswitch *esw,
 				      struct mlx5_eswitch_rep *rep, u8 rep_type)
 {
@@ -2525,13 +2535,11 @@ static int mlx5_esw_offloads_rep_load(struct mlx5_eswitch *esw, u16 vport_num)
 	int err;
 
 	rep = mlx5_eswitch_get_rep(esw, vport_num);
-	for (rep_type = 0; rep_type < NUM_REP_TYPES; rep_type++)
-		if (atomic_cmpxchg(&rep->rep_data[rep_type].state,
-				   REP_REGISTERED, REP_LOADED) == REP_REGISTERED) {
-			err = esw->offloads.rep_ops[rep_type]->load(esw->dev, rep);
-			if (err)
-				goto err_reps;
-		}
+	for (rep_type = 0; rep_type < NUM_REP_TYPES; rep_type++) {
+		err = __esw_offloads_load_rep(esw, rep, rep_type);
+		if (err)
+			goto err_reps;
+	}
 
 	return 0;
 
@@ -3276,7 +3284,7 @@ static void esw_destroy_offloads_acl_tables(struct mlx5_eswitch *esw)
 		esw_vport_destroy_offloads_acl_tables(esw, vport);
 }
 
-int mlx5_eswitch_reload_reps(struct mlx5_eswitch *esw)
+int mlx5_eswitch_reload_ib_reps(struct mlx5_eswitch *esw)
 {
 	struct mlx5_eswitch_rep *rep;
 	unsigned long i;
@@ -3289,13 +3297,13 @@ int mlx5_eswitch_reload_reps(struct mlx5_eswitch *esw)
 	if (atomic_read(&rep->rep_data[REP_ETH].state) != REP_LOADED)
 		return 0;
 
-	ret = mlx5_esw_offloads_rep_load(esw, MLX5_VPORT_UPLINK);
+	ret = __esw_offloads_load_rep(esw, rep, REP_IB);
 	if (ret)
 		return ret;
 
 	mlx5_esw_for_each_rep(esw, i, rep) {
 		if (atomic_read(&rep->rep_data[REP_ETH].state) == REP_LOADED)
-			mlx5_esw_offloads_rep_load(esw, rep->vport);
+			__esw_offloads_load_rep(esw, rep, REP_IB);
 	}
 
 	return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
index 69d482f7c..37598d116 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
@@ -814,7 +814,7 @@ void mlx5_disable_lag(struct mlx5_lag *ldev)
 	if (shared_fdb)
 		for (i = 0; i < ldev->ports; i++)
 			if (!(ldev->pf[i].dev->priv.flags & MLX5_PRIV_FLAGS_DISABLE_ALL_ADEV))
-				mlx5_eswitch_reload_reps(ldev->pf[i].dev->priv.eswitch);
+				mlx5_eswitch_reload_ib_reps(ldev->pf[i].dev->priv.eswitch);
 }
 
 static bool mlx5_shared_fdb_supported(struct mlx5_lag *ldev)
@@ -922,7 +922,7 @@ static void mlx5_do_bond(struct mlx5_lag *ldev)
 			mlx5_rescan_drivers_locked(dev0);
 
 			for (i = 0; i < ldev->ports; i++) {
-				err = mlx5_eswitch_reload_reps(ldev->pf[i].dev->priv.eswitch);
+				err = mlx5_eswitch_reload_ib_reps(ldev->pf[i].dev->priv.eswitch);
 				if (err)
 					break;
 			}
@@ -933,7 +933,7 @@ static void mlx5_do_bond(struct mlx5_lag *ldev)
 				mlx5_deactivate_lag(ldev);
 				mlx5_lag_add_devices(ldev);
 				for (i = 0; i < ldev->ports; i++)
-					mlx5_eswitch_reload_reps(ldev->pf[i].dev->priv.eswitch);
+					mlx5_eswitch_reload_ib_reps(ldev->pf[i].dev->priv.eswitch);
 				mlx5_core_err(dev0, "Failed to enable lag\n");
 				return;
 			}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c
index 82889f305..571ea26ed 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c
@@ -99,7 +99,7 @@ static int enable_mpesw(struct mlx5_lag *ldev)
 	dev0->priv.flags &= ~MLX5_PRIV_FLAGS_DISABLE_IB_ADEV;
 	mlx5_rescan_drivers_locked(dev0);
 	for (i = 0; i < ldev->ports; i++) {
-		err = mlx5_eswitch_reload_reps(ldev->pf[i].dev->priv.eswitch);
+		err = mlx5_eswitch_reload_ib_reps(ldev->pf[i].dev->priv.eswitch);
 		if (err)
 			goto err_rescan_drivers;
 	}
@@ -113,7 +113,7 @@ err_rescan_drivers:
 err_add_devices:
 	mlx5_lag_add_devices(ldev);
 	for (i = 0; i < ldev->ports; i++)
-		mlx5_eswitch_reload_reps(ldev->pf[i].dev->priv.eswitch);
+		mlx5_eswitch_reload_ib_reps(ldev->pf[i].dev->priv.eswitch);
 	mlx5_mpesw_metadata_cleanup(ldev);
 	return err;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index e285823bd..0288e19e3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1680,6 +1680,8 @@ int mlx5_init_one_light(struct mlx5_core_dev *dev)
 	struct devlink *devlink = priv_to_devlink(dev);
 	int err;
 
+	devl_lock(devlink);
+	devl_register(devlink);
 	dev->state = MLX5_DEVICE_STATE_UP;
 	err = mlx5_function_enable(dev, true, mlx5_tout_ms(dev, FW_PRE_INIT_TIMEOUT));
 	if (err) {
@@ -1693,27 +1695,21 @@ int mlx5_init_one_light(struct mlx5_core_dev *dev)
 		goto query_hca_caps_err;
 	}
 
-	devl_lock(devlink);
-	devl_register(devlink);
-
 	err = mlx5_devlink_params_register(priv_to_devlink(dev));
 	if (err) {
 		mlx5_core_warn(dev, "mlx5_devlink_param_reg err = %d\n", err);
-		goto params_reg_err;
+		goto query_hca_caps_err;
 	}
 
 	devl_unlock(devlink);
 	return 0;
 
-params_reg_err:
-	devl_unregister(devlink);
-	devl_unlock(devlink);
 query_hca_caps_err:
-	devl_unregister(devlink);
-	devl_unlock(devlink);
 	mlx5_function_disable(dev, true);
 out:
 	dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR;
+	devl_unregister(devlink);
+	devl_unlock(devlink);
 	return err;
 }
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
index 7ebe71280..b2986175d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
@@ -60,6 +60,13 @@ static int mlx5_sf_dev_probe(struct auxiliary_device *adev, const struct auxilia
 		goto remap_err;
 	}
 
+	/* Peer devlink logic expects to work on unregistered devlink instance. */
+	err = mlx5_core_peer_devlink_set(sf_dev, devlink);
+	if (err) {
+		mlx5_core_warn(mdev, "mlx5_core_peer_devlink_set err=%d\n", err);
+		goto peer_devlink_set_err;
+	}
+
 	if (MLX5_ESWITCH_MANAGER(sf_dev->parent_mdev))
 		err = mlx5_init_one_light(mdev);
 	else
@@ -69,20 +76,10 @@ static int mlx5_sf_dev_probe(struct auxiliary_device *adev, const struct auxilia
 		goto init_one_err;
 	}
 
-	err = mlx5_core_peer_devlink_set(sf_dev, devlink);
-	if (err) {
-		mlx5_core_warn(mdev, "mlx5_core_peer_devlink_set err=%d\n", err);
-		goto peer_devlink_set_err;
-	}
-
 	return 0;
 
-peer_devlink_set_err:
-	if (mlx5_dev_is_lightweight(sf_dev->mdev))
-		mlx5_uninit_one_light(sf_dev->mdev);
-	else
-		mlx5_uninit_one(sf_dev->mdev);
 init_one_err:
+peer_devlink_set_err:
 	iounmap(mdev->iseg);
 remap_err:
 	mlx5_mdev_uninit(mdev);