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path: root/drivers/net/ethernet/mellanox/mlx4/cmd.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/cmd.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/cmd.c81
1 files changed, 72 insertions, 9 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index f04a423ff79d..b1cef7a0f7ca 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -785,17 +785,23 @@ int __mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
return mlx4_cmd_reset_flow(dev, op, op_modifier, -EIO);
if (!mlx4_is_mfunc(dev) || (native && mlx4_is_master(dev))) {
+ int ret;
+
if (dev->persist->state & MLX4_DEVICE_STATE_INTERNAL_ERROR)
return mlx4_internal_err_ret_value(dev, op,
op_modifier);
+ down_read(&mlx4_priv(dev)->cmd.switch_sem);
if (mlx4_priv(dev)->cmd.use_events)
- return mlx4_cmd_wait(dev, in_param, out_param,
- out_is_imm, in_modifier,
- op_modifier, op, timeout);
+ ret = mlx4_cmd_wait(dev, in_param, out_param,
+ out_is_imm, in_modifier,
+ op_modifier, op, timeout);
else
- return mlx4_cmd_poll(dev, in_param, out_param,
- out_is_imm, in_modifier,
- op_modifier, op, timeout);
+ ret = mlx4_cmd_poll(dev, in_param, out_param,
+ out_is_imm, in_modifier,
+ op_modifier, op, timeout);
+
+ up_read(&mlx4_priv(dev)->cmd.switch_sem);
+ return ret;
}
return mlx4_slave_cmd(dev, in_param, out_param, out_is_imm,
in_modifier, op_modifier, op, timeout);
@@ -1845,6 +1851,7 @@ static int mlx4_master_immediate_activate_vlan_qos(struct mlx4_priv *priv,
if (vp_oper->state.default_vlan == vp_admin->default_vlan &&
vp_oper->state.default_qos == vp_admin->default_qos &&
+ vp_oper->state.vlan_proto == vp_admin->vlan_proto &&
vp_oper->state.link_state == vp_admin->link_state &&
vp_oper->state.qos_vport == vp_admin->qos_vport)
return 0;
@@ -1903,6 +1910,7 @@ static int mlx4_master_immediate_activate_vlan_qos(struct mlx4_priv *priv,
vp_oper->state.default_vlan = vp_admin->default_vlan;
vp_oper->state.default_qos = vp_admin->default_qos;
+ vp_oper->state.vlan_proto = vp_admin->vlan_proto;
vp_oper->state.link_state = vp_admin->link_state;
vp_oper->state.qos_vport = vp_admin->qos_vport;
@@ -1916,6 +1924,7 @@ static int mlx4_master_immediate_activate_vlan_qos(struct mlx4_priv *priv,
work->qos_vport = vp_oper->state.qos_vport;
work->vlan_id = vp_oper->state.default_vlan;
work->vlan_ix = vp_oper->vlan_idx;
+ work->vlan_proto = vp_oper->state.vlan_proto;
work->priv = priv;
INIT_WORK(&work->work, mlx4_vf_immed_vlan_work_handler);
queue_work(priv->mfunc.master.comm_wq, &work->work);
@@ -1986,6 +1995,8 @@ static int mlx4_master_activate_admin_state(struct mlx4_priv *priv, int slave)
int port, err;
struct mlx4_vport_state *vp_admin;
struct mlx4_vport_oper_state *vp_oper;
+ struct mlx4_slave_state *slave_state =
+ &priv->mfunc.master.slave_state[slave];
struct mlx4_active_ports actv_ports = mlx4_get_active_ports(
&priv->dev, slave);
int min_port = find_first_bit(actv_ports.ports,
@@ -2000,12 +2011,26 @@ static int mlx4_master_activate_admin_state(struct mlx4_priv *priv, int slave)
priv->mfunc.master.vf_admin[slave].enable_smi[port];
vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
vp_admin = &priv->mfunc.master.vf_admin[slave].vport[port];
- vp_oper->state = *vp_admin;
+ if (vp_admin->vlan_proto != htons(ETH_P_8021AD) ||
+ slave_state->vst_qinq_supported) {
+ vp_oper->state.vlan_proto = vp_admin->vlan_proto;
+ vp_oper->state.default_vlan = vp_admin->default_vlan;
+ vp_oper->state.default_qos = vp_admin->default_qos;
+ }
+ vp_oper->state.link_state = vp_admin->link_state;
+ vp_oper->state.mac = vp_admin->mac;
+ vp_oper->state.spoofchk = vp_admin->spoofchk;
+ vp_oper->state.tx_rate = vp_admin->tx_rate;
+ vp_oper->state.qos_vport = vp_admin->qos_vport;
+ vp_oper->state.guid = vp_admin->guid;
+
if (MLX4_VGT != vp_admin->default_vlan) {
err = __mlx4_register_vlan(&priv->dev, port,
vp_admin->default_vlan, &(vp_oper->vlan_idx));
if (err) {
vp_oper->vlan_idx = NO_INDX;
+ vp_oper->state.default_vlan = MLX4_VGT;
+ vp_oper->state.vlan_proto = htons(ETH_P_8021Q);
mlx4_warn(&priv->dev,
"No vlan resources slave %d, port %d\n",
slave, port);
@@ -2086,6 +2111,7 @@ static void mlx4_master_do_cmd(struct mlx4_dev *dev, int slave, u8 cmd,
mlx4_warn(dev, "Received reset from slave:%d\n", slave);
slave_state[slave].active = false;
slave_state[slave].old_vlan_api = false;
+ slave_state[slave].vst_qinq_supported = false;
mlx4_master_deactivate_admin_state(priv, slave);
for (i = 0; i < MLX4_EVENT_TYPES_NUM; ++i) {
slave_state[slave].event_eq[i].eqn = -1;
@@ -2353,6 +2379,7 @@ int mlx4_multi_func_init(struct mlx4_dev *dev)
vf_oper = &priv->mfunc.master.vf_oper[i];
s_state = &priv->mfunc.master.slave_state[i];
s_state->last_cmd = MLX4_COMM_CMD_RESET;
+ s_state->vst_qinq_supported = false;
mutex_init(&priv->mfunc.master.gen_eqe_mutex[i]);
for (j = 0; j < MLX4_EVENT_TYPES_NUM; ++j)
s_state->event_eq[j].eqn = -1;
@@ -2382,6 +2409,8 @@ int mlx4_multi_func_init(struct mlx4_dev *dev)
admin_vport->qos_vport =
MLX4_VPP_DEFAULT_VPORT;
oper_vport->qos_vport = MLX4_VPP_DEFAULT_VPORT;
+ admin_vport->vlan_proto = htons(ETH_P_8021Q);
+ oper_vport->vlan_proto = htons(ETH_P_8021Q);
vf_oper->vport[port].vlan_idx = NO_INDX;
vf_oper->vport[port].mac_idx = NO_INDX;
mlx4_set_random_admin_guid(dev, i, port);
@@ -2454,6 +2483,7 @@ int mlx4_cmd_init(struct mlx4_dev *dev)
int flags = 0;
if (!priv->cmd.initialized) {
+ init_rwsem(&priv->cmd.switch_sem);
mutex_init(&priv->cmd.slave_cmd_mutex);
sema_init(&priv->cmd.poll_sem, 1);
priv->cmd.use_events = 0;
@@ -2583,6 +2613,7 @@ int mlx4_cmd_use_events(struct mlx4_dev *dev)
if (!priv->cmd.context)
return -ENOMEM;
+ down_write(&priv->cmd.switch_sem);
for (i = 0; i < priv->cmd.max_cmds; ++i) {
priv->cmd.context[i].token = i;
priv->cmd.context[i].next = i + 1;
@@ -2606,6 +2637,7 @@ int mlx4_cmd_use_events(struct mlx4_dev *dev)
down(&priv->cmd.poll_sem);
priv->cmd.use_events = 1;
+ up_write(&priv->cmd.switch_sem);
return err;
}
@@ -2618,6 +2650,7 @@ void mlx4_cmd_use_polling(struct mlx4_dev *dev)
struct mlx4_priv *priv = mlx4_priv(dev);
int i;
+ down_write(&priv->cmd.switch_sem);
priv->cmd.use_events = 0;
for (i = 0; i < priv->cmd.max_cmds; ++i)
@@ -2626,6 +2659,7 @@ void mlx4_cmd_use_polling(struct mlx4_dev *dev)
kfree(priv->cmd.context);
up(&priv->cmd.poll_sem);
+ up_write(&priv->cmd.switch_sem);
}
struct mlx4_cmd_mailbox *mlx4_alloc_cmd_mailbox(struct mlx4_dev *dev)
@@ -2937,10 +2971,13 @@ int mlx4_set_vf_mac(struct mlx4_dev *dev, int port, int vf, u64 mac)
EXPORT_SYMBOL_GPL(mlx4_set_vf_mac);
-int mlx4_set_vf_vlan(struct mlx4_dev *dev, int port, int vf, u16 vlan, u8 qos)
+int mlx4_set_vf_vlan(struct mlx4_dev *dev, int port, int vf, u16 vlan, u8 qos,
+ __be16 proto)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_vport_state *vf_admin;
+ struct mlx4_slave_state *slave_state;
+ struct mlx4_vport_oper_state *vf_oper;
int slave;
if ((!mlx4_is_master(dev)) ||
@@ -2950,12 +2987,31 @@ int mlx4_set_vf_vlan(struct mlx4_dev *dev, int port, int vf, u16 vlan, u8 qos)
if ((vlan > 4095) || (qos > 7))
return -EINVAL;
+ if (proto == htons(ETH_P_8021AD) &&
+ !(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SVLAN_BY_QP))
+ return -EPROTONOSUPPORT;
+
+ if (proto != htons(ETH_P_8021Q) &&
+ proto != htons(ETH_P_8021AD))
+ return -EINVAL;
+
+ if ((proto == htons(ETH_P_8021AD)) &&
+ ((vlan == 0) || (vlan == MLX4_VGT)))
+ return -EINVAL;
+
slave = mlx4_get_slave_indx(dev, vf);
if (slave < 0)
return -EINVAL;
+ slave_state = &priv->mfunc.master.slave_state[slave];
+ if ((proto == htons(ETH_P_8021AD)) && (slave_state->active) &&
+ (!slave_state->vst_qinq_supported)) {
+ mlx4_err(dev, "vf %d does not support VST QinQ mode\n", vf);
+ return -EPROTONOSUPPORT;
+ }
port = mlx4_slaves_closest_port(dev, slave, port);
vf_admin = &priv->mfunc.master.vf_admin[slave].vport[port];
+ vf_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
if (!mlx4_valid_vf_state_change(dev, port, vf_admin, vlan, qos))
return -EPERM;
@@ -2965,6 +3021,7 @@ int mlx4_set_vf_vlan(struct mlx4_dev *dev, int port, int vf, u16 vlan, u8 qos)
else
vf_admin->default_vlan = vlan;
vf_admin->default_qos = qos;
+ vf_admin->vlan_proto = proto;
/* If rate was configured prior to VST, we saved the configured rate
* in vf_admin->rate and now, if priority supported we enforce the QoS
@@ -2973,7 +3030,12 @@ int mlx4_set_vf_vlan(struct mlx4_dev *dev, int port, int vf, u16 vlan, u8 qos)
vf_admin->tx_rate)
vf_admin->qos_vport = slave;
- if (mlx4_master_immediate_activate_vlan_qos(priv, slave, port))
+ /* Try to activate new vf state without restart,
+ * this option is not supported while moving to VST QinQ mode.
+ */
+ if ((proto == htons(ETH_P_8021AD) &&
+ vf_oper->state.vlan_proto != proto) ||
+ mlx4_master_immediate_activate_vlan_qos(priv, slave, port))
mlx4_info(dev,
"updating vf %d port %d config will take effect on next VF restart\n",
vf, port);
@@ -3117,6 +3179,7 @@ int mlx4_get_vf_config(struct mlx4_dev *dev, int port, int vf, struct ifla_vf_in
ivf->vlan = s_info->default_vlan;
ivf->qos = s_info->default_qos;
+ ivf->vlan_proto = s_info->vlan_proto;
if (mlx4_is_vf_vst_and_prio_qos(dev, port, s_info))
ivf->max_tx_rate = s_info->tx_rate;