@@ -507,6 +507,24 @@ static int mlx4_RESOURCE_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vh
} else
mlx4_free_mtt_range(dev, param1 /* first */, param2 /* order */);
break;
+ case RES_MAC:
+ switch (vhcr->op) {
+ case MLX4_CMD_ALLOC_RES:
+ ret = mlx4_register_mac(dev, vhcr->op_modifier,
+ vhcr->in_param, (int *) &vhcr->out_param);
+ vhcr->errno = ret;
+ break;
+ case MLX4_CMD_FREE_RES:
+ mlx4_unregister_mac(dev, vhcr->op_modifier, vhcr->in_param);
+ break;
+ case MLX4_CMD_REPLACE_RES:
+ ret = mlx4_replace_mac(dev, vhcr->op_modifier,
+ vhcr->out_param, vhcr->in_param);
+ vhcr->errno = ret;
+ break;
+ default:
+ vhcr->errno = -EINVAL;
+ }
default:
vhcr->errno = -EINVAL;
}
@@ -538,6 +556,7 @@ static struct mlx4_cmd_info {
{MLX4_CMD_NOP, 0, 0, 0, NULL, NULL},
{MLX4_CMD_ALLOC_RES, 0, 0, 1, NULL, mlx4_RESOURCE_wrapper},
{MLX4_CMD_FREE_RES, 0, 0, 0, NULL, mlx4_RESOURCE_wrapper},
+ {MLX4_CMD_REPLACE_RES, 0, 0, 1, NULL, mlx4_RESOURCE_wrapper},
{MLX4_CMD_GET_EVENT, 0, 0, 1, NULL, mlx4_GET_EVENT_wrapper},
{MLX4_CMD_SW2HW_MPT, 1, 0, 0, NULL, NULL}, /* need verifier */
@@ -145,9 +145,8 @@ static void mlx4_en_do_set_mac(struct work_struct *work)
mutex_lock(&mdev->state_lock);
if (priv->port_up) {
/* Remove old MAC and insert the new one */
- mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
- err = mlx4_register_mac(mdev->dev, priv->port,
- priv->mac, &priv->mac_index);
+ err = mlx4_replace_mac(mdev->dev, priv->port,
+ priv->base_qpn, priv->mac);
if (err)
en_err(priv, "Failed changing HW MAC address\n");
} else
@@ -596,10 +595,19 @@ int mlx4_en_start_port(struct net_device *dev)
++rx_index;
}
+ /* Set port mac number */
+ en_dbg(DRV, priv, "Setting mac for port %d\n", priv->port);
+ err = mlx4_register_mac(mdev->dev, priv->port,
+ priv->mac, &priv->base_qpn);
+ if (err) {
+ en_err(priv, "Failed setting port mac\n");
+ goto cq_err;
+ }
+
err = mlx4_en_config_rss_steer(priv);
if (err) {
en_err(priv, "Failed configuring rss steering\n");
- goto cq_err;
+ goto mac_err;
}
/* Configure tx cq's and rings */
@@ -652,21 +660,13 @@ int mlx4_en_start_port(struct net_device *dev)
en_err(priv, "Failed setting default qp numbers\n");
goto tx_err;
}
- /* Set port mac number */
- en_dbg(DRV, priv, "Setting mac for port %d\n", priv->port);
- err = mlx4_register_mac(mdev->dev, priv->port,
- priv->mac, &priv->mac_index);
- if (err) {
- en_err(priv, "Failed setting port mac\n");
- goto tx_err;
- }
/* Init port */
en_dbg(HW, priv, "Initializing port\n");
err = mlx4_INIT_PORT(mdev->dev, priv->port);
if (err) {
en_err(priv, "Failed Initializing port\n");
- goto mac_err;
+ goto tx_err;
}
/* Schedule multicast task to populate multicast list */
@@ -676,8 +676,6 @@ int mlx4_en_start_port(struct net_device *dev)
netif_tx_start_all_queues(dev);
return 0;
-mac_err:
- mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
tx_err:
while (tx_index--) {
mlx4_en_deactivate_tx_ring(priv, &priv->tx_ring[tx_index]);
@@ -685,6 +683,8 @@ tx_err:
}
mlx4_en_release_rss_steer(priv);
+mac_err:
+ mlx4_unregister_mac(mdev->dev, priv->port, priv->base_qpn);
cq_err:
while (rx_index--)
mlx4_en_deactivate_cq(priv, &priv->rx_cq[rx_index]);
@@ -716,7 +716,7 @@ void mlx4_en_stop_port(struct net_device *dev)
mlx4_CLOSE_PORT(mdev->dev, priv->port);
/* Unregister Mac address for the port */
- mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
+ mlx4_unregister_mac(mdev->dev, priv->port, priv->base_qpn);
/* Free TX Rings */
for (i = 0; i < priv->tx_ring_num; i++) {
@@ -127,6 +127,7 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
memset(context, 0, sizeof *context);
context->base_qpn = cpu_to_be32(base_qpn);
+ context->n_mac = 0x7;
context->promisc = cpu_to_be32(promisc << SET_PORT_PROMISC_SHIFT | base_qpn);
context->mcast = cpu_to_be32(1 << SET_PORT_PROMISC_SHIFT | base_qpn);
context->intra_no_vlan = 0;
@@ -59,14 +59,18 @@ struct mlx4_set_port_general_context {
struct mlx4_set_port_rqp_calc_context {
__be32 base_qpn;
+ u8 rererved;
+ u8 n_mac;
+ u8 n_vlan;
+ u8 n_prio;
__be32 flags;
- u8 reserved[3];
+ u8 reserved2[3];
u8 mac_miss;
u8 intra_no_vlan;
u8 no_vlan;
u8 intra_vlan_miss;
u8 vlan_miss;
- u8 reserved2[3];
+ u8 reserved3[3];
u8 no_vlan_prio;
__be32 promisc;
__be32 mcast;
@@ -865,16 +865,10 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
}
/* Configure RSS indirection qp */
- err = mlx4_qp_reserve_range(mdev->dev, 1, 1, &priv->base_qpn);
- if (err) {
- en_err(priv, "Failed to reserve range for RSS "
- "indirection qp\n");
- goto rss_err;
- }
err = mlx4_qp_alloc(mdev->dev, priv->base_qpn, &rss_map->indir_qp);
if (err) {
en_err(priv, "Failed to allocate RSS indirection QP\n");
- goto reserve_err;
+ goto rss_err;
}
rss_map->indir_qp.event = mlx4_en_sqp_event;
mlx4_en_fill_qp_context(priv, 0, 0, 0, 1, priv->base_qpn,
@@ -900,8 +894,6 @@ indir_err:
MLX4_QP_STATE_RST, NULL, 0, 0, &rss_map->indir_qp);
mlx4_qp_remove(mdev->dev, &rss_map->indir_qp);
mlx4_qp_free(mdev->dev, &rss_map->indir_qp);
-reserve_err:
- mlx4_qp_release_range(mdev->dev, priv->base_qpn, 1);
rss_err:
for (i = 0; i < good_qps; i++) {
mlx4_qp_modify(mdev->dev, NULL, rss_map->state[i],
@@ -923,7 +915,6 @@ void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv)
MLX4_QP_STATE_RST, NULL, 0, 0, &rss_map->indir_qp);
mlx4_qp_remove(mdev->dev, &rss_map->indir_qp);
mlx4_qp_free(mdev->dev, &rss_map->indir_qp);
- mlx4_qp_release_range(mdev->dev, priv->base_qpn, 1);
for (i = 0; i < priv->rx_ring_num; i++) {
mlx4_qp_modify(mdev->dev, NULL, rss_map->state[i],
@@ -99,7 +99,7 @@ static struct mlx4_profile default_profile = {
.num_mtt = 1 << 20,
};
-static int log_num_mac = 2;
+static int log_num_mac = 7;
module_param_named(log_num_mac, log_num_mac, int, 0444);
MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)");
@@ -1150,9 +1150,12 @@ static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
info->dev = dev;
info->port = port;
- mlx4_init_mac_table(dev, &info->mac_table);
- mlx4_init_vlan_table(dev, &info->vlan_table);
-
+ if (!mlx4_is_slave(dev)) {
+ mlx4_init_mac_table(dev, &info->mac_table);
+ mlx4_init_vlan_table(dev, &info->vlan_table);
+ info->base_qpn = dev->caps.reserved_qps_base[MLX4_QP_REGION_ETH_ADDR] +
+ (port - 1) * (1 << log_num_mac);
+ }
sprintf(info->dev_name, "mlx4_port%d", port);
info->port_attr.attr.name = info->dev_name;
info->port_attr.attr.mode = S_IRUGO | S_IWUSR;
@@ -101,7 +101,10 @@ enum mlx4_resource {
RES_CQ,
RES_SRQ,
RES_MPT,
- RES_MTT
+ RES_MTT,
+ RES_MAC,
+ RES_VLAN,
+ RES_MCAST
};
enum mlx4_alloc_mode {
@@ -340,7 +343,6 @@ struct mlx4_catas_err {
struct mlx4_mac_table {
__be64 entries[MLX4_MAX_MAC_NUM];
- int refs[MLX4_MAX_MAC_NUM];
struct mutex mutex;
int total;
int max;
@@ -365,6 +367,7 @@ struct mlx4_port_info {
enum mlx4_port_type tmp_type;
struct mlx4_mac_table mac_table;
struct mlx4_vlan_table vlan_table;
+ int base_qpn;
};
struct mlx4_sense {
@@ -48,10 +48,8 @@ void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table)
int i;
mutex_init(&table->mutex);
- for (i = 0; i < MLX4_MAX_MAC_NUM; i++) {
+ for (i = 0; i < MLX4_MAX_MAC_NUM; i++)
table->entries[i] = 0;
- table->refs[i] = 0;
- }
table->max = 1 << dev->caps.log_num_macs;
table->total = 0;
}
@@ -90,24 +88,33 @@ static int mlx4_set_port_mac_table(struct mlx4_dev *dev, u8 port,
return err;
}
-int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index)
+int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn)
{
- struct mlx4_mac_table *table = &mlx4_priv(dev)->port[port].mac_table;
+ struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
+ struct mlx4_mac_table *table = &info->mac_table;
+ u64 out_param;
int i, err = 0;
int free = -1;
+ if (mlx4_is_slave(dev)) {
+ err = mlx4_cmd_imm(dev, mac, &out_param, RES_MAC, port,
+ MLX4_CMD_ALLOC_RES, MLX4_CMD_TIME_CLASS_A);
+ if (!err)
+ *qpn = out_param;
+ return err;
+ }
+
mlx4_dbg(dev, "Registering MAC: 0x%llx\n", (unsigned long long) mac);
mutex_lock(&table->mutex);
for (i = 0; i < MLX4_MAX_MAC_NUM - 1; i++) {
- if (free < 0 && !table->refs[i]) {
+ if (free < 0 && !table->entries[i]) {
free = i;
continue;
}
if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) {
- /* MAC already registered, increase refernce count */
- *index = i;
- ++table->refs[i];
+ /* MAC already registered, Must not have duplicates */
+ err = -EEXIST;
goto out;
}
}
@@ -120,18 +127,16 @@ int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index)
}
/* Register new MAC */
- table->refs[free] = 1;
table->entries[free] = cpu_to_be64(mac | MLX4_MAC_VALID);
err = mlx4_set_port_mac_table(dev, port, table->entries);
if (unlikely(err)) {
mlx4_err(dev, "Failed adding MAC: 0x%llx\n", (unsigned long long) mac);
- table->refs[free] = 0;
table->entries[free] = 0;
goto out;
}
- *index = free;
+ *qpn = info->base_qpn + free;
++table->total;
out:
mutex_unlock(&table->mutex);
@@ -139,20 +144,35 @@ out:
}
EXPORT_SYMBOL_GPL(mlx4_register_mac);
-void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index)
+static int validate_index(struct mlx4_dev *dev,
+ struct mlx4_mac_table *table, int index)
{
- struct mlx4_mac_table *table = &mlx4_priv(dev)->port[port].mac_table;
+ int err = 0;
- mutex_lock(&table->mutex);
- if (!table->refs[index]) {
- mlx4_warn(dev, "No MAC entry for index %d\n", index);
- goto out;
+ if (index < 0 || index >= table->max || !table->entries[index]) {
+ mlx4_warn(dev, "No valid Mac entry for the given index\n");
+ err = -EINVAL;
}
- if (--table->refs[index]) {
- mlx4_warn(dev, "Have more references for index %d,"
- "no need to modify MAC table\n", index);
- goto out;
+ return err;
+}
+
+void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int qpn)
+{
+ struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
+ struct mlx4_mac_table *table = &info->mac_table;
+ int index = qpn - info->base_qpn;
+
+ if (mlx4_is_slave(dev)) {
+ mlx4_cmd(dev, qpn, RES_MAC, port,
+ MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A);
+ return;
}
+
+ mutex_lock(&table->mutex);
+
+ if (validate_index(dev, table, index))
+ goto out;
+
table->entries[index] = 0;
mlx4_set_port_mac_table(dev, port, table->entries);
--table->total;
@@ -161,6 +181,38 @@ out:
}
EXPORT_SYMBOL_GPL(mlx4_unregister_mac);
+int mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac)
+{
+ struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
+ struct mlx4_mac_table *table = &info->mac_table;
+ int index = qpn - info->base_qpn;
+ int err;
+
+ if (mlx4_is_slave(dev)) {
+ err = mlx4_cmd_imm(dev, new_mac, (u64 *) &qpn, RES_MAC, port,
+ MLX4_CMD_REPLACE_RES, MLX4_CMD_TIME_CLASS_A);
+ return err;
+ }
+
+ mutex_lock(&table->mutex);
+
+ err = validate_index(dev, table, index);
+ if (err)
+ goto out;
+
+ table->entries[index] = cpu_to_be64(new_mac | MLX4_MAC_VALID);
+
+ err = mlx4_set_port_mac_table(dev, port, table->entries);
+ if (unlikely(err)) {
+ mlx4_err(dev, "Failed adding MAC: 0x%llx\n", (unsigned long long) new_mac);
+ table->entries[index] = 0;
+ }
+out:
+ mutex_unlock(&table->mutex);
+ return err;
+}
+EXPORT_SYMBOL_GPL(mlx4_replace_mac);
+
static int mlx4_set_port_vlan_table(struct mlx4_dev *dev, u8 port,
__be32 *entries)
{
@@ -122,10 +122,11 @@ enum {
/* virtual commands */
MLX4_CMD_ALLOC_RES = 0x50,
MLX4_CMD_FREE_RES = 0x51,
- MLX4_CMD_GET_EVENT = 0x52,
- MLX4_CMD_QUERY_SLAVE_CAP = 0x53,
- MLX4_CMD_MCAST_ATTACH = 0x54,
- MLX4_CMD_GET_SLAVE_SQP = 0x55,
+ MLX4_CMD_REPLACE_RES = 0x52,
+ MLX4_CMD_GET_EVENT = 0x53,
+ MLX4_CMD_QUERY_SLAVE_CAP = 0x54,
+ MLX4_CMD_MCAST_ATTACH = 0x55,
+ MLX4_CMD_GET_SLAVE_SQP = 0x56,
/* debug commands */
MLX4_CMD_QUERY_DEBUG_MSG = 0x2a,
@@ -491,8 +491,9 @@ int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
int block_mcast_loopback);
int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);
-int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index);
-void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index);
+int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn);
+void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int qpn);
+int mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac);
int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index);