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path: root/drivers/net/ethernet/mellanox/mlx4/port.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/port.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/port.c532
1 files changed, 483 insertions, 49 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c
index 946e0af5fae..7ab97174886 100644
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -75,6 +75,16 @@ void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table)
table->total = 0;
}
+void mlx4_init_roce_gid_table(struct mlx4_dev *dev,
+ struct mlx4_roce_gid_table *table)
+{
+ int i;
+
+ mutex_init(&table->mutex);
+ for (i = 0; i < MLX4_ROCE_MAX_GIDS; i++)
+ memset(table->roce_gids[i].raw, 0, MLX4_ROCE_GID_ENTRY_SIZE);
+}
+
static int validate_index(struct mlx4_dev *dev,
struct mlx4_mac_table *table, int index)
{
@@ -123,6 +133,26 @@ static int mlx4_set_port_mac_table(struct mlx4_dev *dev, u8 port,
return err;
}
+int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx)
+{
+ struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
+ struct mlx4_mac_table *table = &info->mac_table;
+ int i;
+
+ for (i = 0; i < MLX4_MAX_MAC_NUM; i++) {
+ if (!table->refs[i])
+ continue;
+
+ if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) {
+ *idx = i;
+ return 0;
+ }
+ }
+
+ return -ENOENT;
+}
+EXPORT_SYMBOL_GPL(mlx4_find_cached_mac);
+
int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac)
{
struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
@@ -178,13 +208,24 @@ EXPORT_SYMBOL_GPL(__mlx4_register_mac);
int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac)
{
u64 out_param = 0;
- int err;
+ int err = -EINVAL;
if (mlx4_is_mfunc(dev)) {
- set_param_l(&out_param, port);
- err = mlx4_cmd_imm(dev, mac, &out_param, RES_MAC,
- RES_OP_RESERVE_AND_MAP, MLX4_CMD_ALLOC_RES,
- MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
+ if (!(dev->flags & MLX4_FLAG_OLD_REG_MAC)) {
+ err = mlx4_cmd_imm(dev, mac, &out_param,
+ ((u32) port) << 8 | (u32) RES_MAC,
+ RES_OP_RESERVE_AND_MAP, MLX4_CMD_ALLOC_RES,
+ MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
+ }
+ if (err && err == -EINVAL && mlx4_is_slave(dev)) {
+ /* retry using old REG_MAC format */
+ set_param_l(&out_param, port);
+ err = mlx4_cmd_imm(dev, mac, &out_param, RES_MAC,
+ RES_OP_RESERVE_AND_MAP, MLX4_CMD_ALLOC_RES,
+ MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
+ if (!err)
+ dev->flags |= MLX4_FLAG_OLD_REG_MAC;
+ }
if (err)
return err;
@@ -213,8 +254,8 @@ void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac)
if (validate_index(dev, table, index))
goto out;
if (--table->refs[index]) {
- mlx4_dbg(dev, "Have more references for index %d,"
- "no need to modify mac table\n", index);
+ mlx4_dbg(dev, "Have more references for index %d, no need to modify mac table\n",
+ index);
goto out;
}
@@ -231,10 +272,18 @@ void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac)
u64 out_param = 0;
if (mlx4_is_mfunc(dev)) {
- set_param_l(&out_param, port);
- (void) mlx4_cmd_imm(dev, mac, &out_param, RES_MAC,
- RES_OP_RESERVE_AND_MAP, MLX4_CMD_FREE_RES,
- MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
+ if (!(dev->flags & MLX4_FLAG_OLD_REG_MAC)) {
+ (void) mlx4_cmd_imm(dev, mac, &out_param,
+ ((u32) port) << 8 | (u32) RES_MAC,
+ RES_OP_RESERVE_AND_MAP, MLX4_CMD_FREE_RES,
+ MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
+ } else {
+ /* use old unregister mac format */
+ set_param_l(&out_param, port);
+ (void) mlx4_cmd_imm(dev, mac, &out_param, RES_MAC,
+ RES_OP_RESERVE_AND_MAP, MLX4_CMD_FREE_RES,
+ MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
+ }
return;
}
__mlx4_unregister_mac(dev, port, mac);
@@ -284,7 +333,7 @@ static int mlx4_set_port_vlan_table(struct mlx4_dev *dev, u8 port,
memcpy(mailbox->buf, entries, MLX4_VLAN_TABLE_SIZE);
in_mod = MLX4_SET_PORT_VLAN_TABLE << 8 | port;
err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT,
- MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
+ MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
mlx4_free_cmd_mailbox(dev, mailbox);
@@ -370,9 +419,12 @@ int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index)
u64 out_param = 0;
int err;
+ if (vlan > 4095)
+ return -EINVAL;
+
if (mlx4_is_mfunc(dev)) {
- set_param_l(&out_param, port);
- err = mlx4_cmd_imm(dev, vlan, &out_param, RES_VLAN,
+ err = mlx4_cmd_imm(dev, vlan, &out_param,
+ ((u32) port) << 8 | (u32) RES_VLAN,
RES_OP_RESERVE_AND_MAP, MLX4_CMD_ALLOC_RES,
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
if (!err)
@@ -384,23 +436,25 @@ int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index)
}
EXPORT_SYMBOL_GPL(mlx4_register_vlan);
-void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index)
+void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan)
{
struct mlx4_vlan_table *table = &mlx4_priv(dev)->port[port].vlan_table;
+ int index;
- if (index < MLX4_VLAN_REGULAR) {
- mlx4_warn(dev, "Trying to free special vlan index %d\n", index);
- return;
+ mutex_lock(&table->mutex);
+ if (mlx4_find_cached_vlan(dev, port, vlan, &index)) {
+ mlx4_warn(dev, "vlan 0x%x is not in the vlan table\n", vlan);
+ goto out;
}
- mutex_lock(&table->mutex);
- if (!table->refs[index]) {
- mlx4_warn(dev, "No vlan entry for index %d\n", index);
+ if (index < MLX4_VLAN_REGULAR) {
+ mlx4_warn(dev, "Trying to free special vlan index %d\n", index);
goto out;
}
+
if (--table->refs[index]) {
- mlx4_dbg(dev, "Have more references for index %d,"
- "no need to modify vlan table\n", index);
+ mlx4_dbg(dev, "Have %d more references for index %d, no need to modify vlan table\n",
+ table->refs[index], index);
goto out;
}
table->entries[index] = 0;
@@ -410,23 +464,19 @@ out:
mutex_unlock(&table->mutex);
}
-void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index)
+void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan)
{
- u64 in_param = 0;
- int err;
+ u64 out_param = 0;
if (mlx4_is_mfunc(dev)) {
- set_param_l(&in_param, port);
- err = mlx4_cmd(dev, in_param, RES_VLAN, RES_OP_RESERVE_AND_MAP,
- MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A,
- MLX4_CMD_WRAPPED);
- if (!err)
- mlx4_warn(dev, "Failed freeing vlan at index:%d\n",
- index);
-
+ (void) mlx4_cmd_imm(dev, vlan, &out_param,
+ ((u32) port) << 8 | (u32) RES_VLAN,
+ RES_OP_RESERVE_AND_MAP,
+ MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A,
+ MLX4_CMD_WRAPPED);
return;
}
- __mlx4_unregister_vlan(dev, port, index);
+ __mlx4_unregister_vlan(dev, port, vlan);
}
EXPORT_SYMBOL_GPL(mlx4_unregister_vlan);
@@ -448,8 +498,6 @@ int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps)
inbuf = inmailbox->buf;
outbuf = outmailbox->buf;
- memset(inbuf, 0, 256);
- memset(outbuf, 0, 256);
inbuf[0] = 1;
inbuf[1] = 1;
inbuf[2] = 1;
@@ -466,6 +514,162 @@ int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps)
mlx4_free_cmd_mailbox(dev, outmailbox);
return err;
}
+static struct mlx4_roce_gid_entry zgid_entry;
+
+int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port)
+{
+ int vfs;
+ int slave_gid = slave;
+ unsigned i;
+ struct mlx4_slaves_pport slaves_pport;
+ struct mlx4_active_ports actv_ports;
+ unsigned max_port_p_one;
+
+ if (slave == 0)
+ return MLX4_ROCE_PF_GIDS;
+
+ /* Slave is a VF */
+ slaves_pport = mlx4_phys_to_slaves_pport(dev, port);
+ actv_ports = mlx4_get_active_ports(dev, slave);
+ max_port_p_one = find_first_bit(actv_ports.ports, dev->caps.num_ports) +
+ bitmap_weight(actv_ports.ports, dev->caps.num_ports) + 1;
+
+ for (i = 1; i < max_port_p_one; i++) {
+ struct mlx4_active_ports exclusive_ports;
+ struct mlx4_slaves_pport slaves_pport_actv;
+ bitmap_zero(exclusive_ports.ports, dev->caps.num_ports);
+ set_bit(i - 1, exclusive_ports.ports);
+ if (i == port)
+ continue;
+ slaves_pport_actv = mlx4_phys_to_slaves_pport_actv(
+ dev, &exclusive_ports);
+ slave_gid -= bitmap_weight(slaves_pport_actv.slaves,
+ dev->num_vfs + 1);
+ }
+ vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1;
+ if (slave_gid <= ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) % vfs))
+ return ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / vfs) + 1;
+ return (MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / vfs;
+}
+
+int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port)
+{
+ int gids;
+ unsigned i;
+ int slave_gid = slave;
+ int vfs;
+
+ struct mlx4_slaves_pport slaves_pport;
+ struct mlx4_active_ports actv_ports;
+ unsigned max_port_p_one;
+
+ if (slave == 0)
+ return 0;
+
+ slaves_pport = mlx4_phys_to_slaves_pport(dev, port);
+ actv_ports = mlx4_get_active_ports(dev, slave);
+ max_port_p_one = find_first_bit(actv_ports.ports, dev->caps.num_ports) +
+ bitmap_weight(actv_ports.ports, dev->caps.num_ports) + 1;
+
+ for (i = 1; i < max_port_p_one; i++) {
+ struct mlx4_active_ports exclusive_ports;
+ struct mlx4_slaves_pport slaves_pport_actv;
+ bitmap_zero(exclusive_ports.ports, dev->caps.num_ports);
+ set_bit(i - 1, exclusive_ports.ports);
+ if (i == port)
+ continue;
+ slaves_pport_actv = mlx4_phys_to_slaves_pport_actv(
+ dev, &exclusive_ports);
+ slave_gid -= bitmap_weight(slaves_pport_actv.slaves,
+ dev->num_vfs + 1);
+ }
+ gids = MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS;
+ vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1;
+ if (slave_gid <= gids % vfs)
+ return MLX4_ROCE_PF_GIDS + ((gids / vfs) + 1) * (slave_gid - 1);
+
+ return MLX4_ROCE_PF_GIDS + (gids % vfs) +
+ ((gids / vfs) * (slave_gid - 1));
+}
+EXPORT_SYMBOL_GPL(mlx4_get_base_gid_ix);
+
+static int mlx4_reset_roce_port_gids(struct mlx4_dev *dev, int slave,
+ int port, struct mlx4_cmd_mailbox *mailbox)
+{
+ struct mlx4_roce_gid_entry *gid_entry_mbox;
+ struct mlx4_priv *priv = mlx4_priv(dev);
+ int num_gids, base, offset;
+ int i, err;
+
+ num_gids = mlx4_get_slave_num_gids(dev, slave, port);
+ base = mlx4_get_base_gid_ix(dev, slave, port);
+
+ memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE);
+
+ mutex_lock(&(priv->port[port].gid_table.mutex));
+ /* Zero-out gids belonging to that slave in the port GID table */
+ for (i = 0, offset = base; i < num_gids; offset++, i++)
+ memcpy(priv->port[port].gid_table.roce_gids[offset].raw,
+ zgid_entry.raw, MLX4_ROCE_GID_ENTRY_SIZE);
+
+ /* Now, copy roce port gids table to mailbox for passing to FW */
+ gid_entry_mbox = (struct mlx4_roce_gid_entry *)mailbox->buf;
+ for (i = 0; i < MLX4_ROCE_MAX_GIDS; gid_entry_mbox++, i++)
+ memcpy(gid_entry_mbox->raw,
+ priv->port[port].gid_table.roce_gids[i].raw,
+ MLX4_ROCE_GID_ENTRY_SIZE);
+
+ err = mlx4_cmd(dev, mailbox->dma,
+ ((u32)port) | (MLX4_SET_PORT_GID_TABLE << 8), 1,
+ MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
+ MLX4_CMD_NATIVE);
+ mutex_unlock(&(priv->port[port].gid_table.mutex));
+ return err;
+}
+
+
+void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave)
+{
+ struct mlx4_active_ports actv_ports;
+ struct mlx4_cmd_mailbox *mailbox;
+ int num_eth_ports, err;
+ int i;
+
+ if (slave < 0 || slave > dev->num_vfs)
+ return;
+
+ actv_ports = mlx4_get_active_ports(dev, slave);
+
+ for (i = 0, num_eth_ports = 0; i < dev->caps.num_ports; i++) {
+ if (test_bit(i, actv_ports.ports)) {
+ if (dev->caps.port_type[i + 1] != MLX4_PORT_TYPE_ETH)
+ continue;
+ num_eth_ports++;
+ }
+ }
+
+ if (!num_eth_ports)
+ return;
+
+ /* have ETH ports. Alloc mailbox for SET_PORT command */
+ mailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(mailbox))
+ return;
+
+ for (i = 0; i < dev->caps.num_ports; i++) {
+ if (test_bit(i, actv_ports.ports)) {
+ if (dev->caps.port_type[i + 1] != MLX4_PORT_TYPE_ETH)
+ continue;
+ err = mlx4_reset_roce_port_gids(dev, slave, i + 1, mailbox);
+ if (err)
+ mlx4_warn(dev, "Could not reset ETH port GID table for slave %d, port %d (%d)\n",
+ slave, i + 1, err);
+ }
+ }
+
+ mlx4_free_cmd_mailbox(dev, mailbox);
+ return;
+}
static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod,
u8 op_mod, struct mlx4_cmd_mailbox *inbox)
@@ -476,14 +680,18 @@ static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod,
struct mlx4_slave_state *slave_st = &master->slave_state[slave];
struct mlx4_set_port_rqp_calc_context *qpn_context;
struct mlx4_set_port_general_context *gen_context;
+ struct mlx4_roce_gid_entry *gid_entry_tbl, *gid_entry_mbox, *gid_entry_mb1;
int reset_qkey_viols;
int port;
int is_eth;
+ int num_gids;
+ int base;
u32 in_modifier;
u32 promisc;
u16 mtu, prev_mtu;
int err;
- int i;
+ int i, j;
+ int offset;
__be32 agg_cap_mask;
__be32 slave_cap_mask;
__be32 new_cap_mask;
@@ -496,7 +704,8 @@ static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod,
/* Slaves cannot perform SET_PORT operations except changing MTU */
if (is_eth) {
if (slave != dev->caps.function &&
- in_modifier != MLX4_SET_PORT_GENERAL) {
+ in_modifier != MLX4_SET_PORT_GENERAL &&
+ in_modifier != MLX4_SET_PORT_GID_TABLE) {
mlx4_warn(dev, "denying SET_PORT for slave:%d\n",
slave);
return -EINVAL;
@@ -542,8 +751,79 @@ static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod,
gen_context->mtu = cpu_to_be16(master->max_mtu[port]);
break;
+ case MLX4_SET_PORT_GID_TABLE:
+ /* change to MULTIPLE entries: number of guest's gids
+ * need a FOR-loop here over number of gids the guest has.
+ * 1. Check no duplicates in gids passed by slave
+ */
+ num_gids = mlx4_get_slave_num_gids(dev, slave, port);
+ base = mlx4_get_base_gid_ix(dev, slave, port);
+ gid_entry_mbox = (struct mlx4_roce_gid_entry *)(inbox->buf);
+ for (i = 0; i < num_gids; gid_entry_mbox++, i++) {
+ if (!memcmp(gid_entry_mbox->raw, zgid_entry.raw,
+ sizeof(zgid_entry)))
+ continue;
+ gid_entry_mb1 = gid_entry_mbox + 1;
+ for (j = i + 1; j < num_gids; gid_entry_mb1++, j++) {
+ if (!memcmp(gid_entry_mb1->raw,
+ zgid_entry.raw, sizeof(zgid_entry)))
+ continue;
+ if (!memcmp(gid_entry_mb1->raw, gid_entry_mbox->raw,
+ sizeof(gid_entry_mbox->raw))) {
+ /* found duplicate */
+ return -EINVAL;
+ }
+ }
+ }
+
+ /* 2. Check that do not have duplicates in OTHER
+ * entries in the port GID table
+ */
+
+ mutex_lock(&(priv->port[port].gid_table.mutex));
+ for (i = 0; i < MLX4_ROCE_MAX_GIDS; i++) {
+ if (i >= base && i < base + num_gids)
+ continue; /* don't compare to slave's current gids */
+ gid_entry_tbl = &priv->port[port].gid_table.roce_gids[i];
+ if (!memcmp(gid_entry_tbl->raw, zgid_entry.raw, sizeof(zgid_entry)))
+ continue;
+ gid_entry_mbox = (struct mlx4_roce_gid_entry *)(inbox->buf);
+ for (j = 0; j < num_gids; gid_entry_mbox++, j++) {
+ if (!memcmp(gid_entry_mbox->raw, zgid_entry.raw,
+ sizeof(zgid_entry)))
+ continue;
+ if (!memcmp(gid_entry_mbox->raw, gid_entry_tbl->raw,
+ sizeof(gid_entry_tbl->raw))) {
+ /* found duplicate */
+ mlx4_warn(dev, "requested gid entry for slave:%d is a duplicate of gid at index %d\n",
+ slave, i);
+ mutex_unlock(&(priv->port[port].gid_table.mutex));
+ return -EINVAL;
+ }
+ }
+ }
+
+ /* insert slave GIDs with memcpy, starting at slave's base index */
+ gid_entry_mbox = (struct mlx4_roce_gid_entry *)(inbox->buf);
+ for (i = 0, offset = base; i < num_gids; gid_entry_mbox++, offset++, i++)
+ memcpy(priv->port[port].gid_table.roce_gids[offset].raw,
+ gid_entry_mbox->raw, MLX4_ROCE_GID_ENTRY_SIZE);
+
+ /* Now, copy roce port gids table to current mailbox for passing to FW */
+ gid_entry_mbox = (struct mlx4_roce_gid_entry *)(inbox->buf);
+ for (i = 0; i < MLX4_ROCE_MAX_GIDS; gid_entry_mbox++, i++)
+ memcpy(gid_entry_mbox->raw,
+ priv->port[port].gid_table.roce_gids[i].raw,
+ MLX4_ROCE_GID_ENTRY_SIZE);
+
+ err = mlx4_cmd(dev, inbox->dma, in_mod & 0xffff, op_mod,
+ MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
+ MLX4_CMD_NATIVE);
+ mutex_unlock(&(priv->port[port].gid_table.mutex));
+ return err;
}
- return mlx4_cmd(dev, inbox->dma, in_mod, op_mod,
+
+ return mlx4_cmd(dev, inbox->dma, in_mod & 0xffff, op_mod,
MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
MLX4_CMD_NATIVE);
}
@@ -607,6 +887,15 @@ int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_cmd_mailbox *outbox,
struct mlx4_cmd_info *cmd)
{
+ int port = mlx4_slave_convert_port(
+ dev, slave, vhcr->in_modifier & 0xFF);
+
+ if (port < 0)
+ return -EINVAL;
+
+ vhcr->in_modifier = (vhcr->in_modifier & ~0xFF) |
+ (port & 0xFF);
+
return mlx4_common_set_port(dev, slave, vhcr->in_modifier,
vhcr->op_modifier, inbox);
}
@@ -632,8 +921,6 @@ int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz)
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
- memset(mailbox->buf, 0, 256);
-
((__be32 *) mailbox->buf)[1] = dev->caps.ib_port_def_cap[port];
if (pkey_tbl_sz >= 0 && mlx4_is_master(dev)) {
@@ -671,8 +958,6 @@ int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
context = mailbox->buf;
- memset(context, 0, sizeof *context);
-
context->flags = SET_PORT_GEN_ALL_VALID;
context->mtu = cpu_to_be16(mtu);
context->pptx = (pptx * (!pfctx)) << 7;
@@ -706,8 +991,6 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
context = mailbox->buf;
- memset(context, 0, sizeof *context);
-
context->base_qpn = cpu_to_be32(base_qpn);
context->n_mac = dev->caps.log_num_macs;
context->promisc = cpu_to_be32(promisc << SET_PORT_PROMISC_SHIFT |
@@ -740,8 +1023,6 @@ int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc)
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
context = mailbox->buf;
- memset(context, 0, sizeof *context);
-
for (i = 0; i < MLX4_NUM_UP; i += 2)
context->prio2tc[i >> 1] = prio2tc[i] << 4 | prio2tc[i + 1];
@@ -767,7 +1048,6 @@ int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw,
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
context = mailbox->buf;
- memset(context, 0, sizeof *context);
for (i = 0; i < MLX4_NUM_TC; i++) {
struct mlx4_port_scheduler_tc_cfg_be *tc = &context->tc[i];
@@ -790,6 +1070,48 @@ int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw,
}
EXPORT_SYMBOL(mlx4_SET_PORT_SCHEDULER);
+enum {
+ VXLAN_ENABLE_MODIFY = 1 << 7,
+ VXLAN_STEERING_MODIFY = 1 << 6,
+
+ VXLAN_ENABLE = 1 << 7,
+};
+
+struct mlx4_set_port_vxlan_context {
+ u32 reserved1;
+ u8 modify_flags;
+ u8 reserved2;
+ u8 enable_flags;
+ u8 steering;
+};
+
+int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable)
+{
+ int err;
+ u32 in_mod;
+ struct mlx4_cmd_mailbox *mailbox;
+ struct mlx4_set_port_vxlan_context *context;
+
+ mailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ context = mailbox->buf;
+ memset(context, 0, sizeof(*context));
+
+ context->modify_flags = VXLAN_ENABLE_MODIFY | VXLAN_STEERING_MODIFY;
+ if (enable)
+ context->enable_flags = VXLAN_ENABLE;
+ context->steering = steering;
+
+ in_mod = MLX4_SET_PORT_VXLAN << 8 | port;
+ err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT,
+ MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
+
+ mlx4_free_cmd_mailbox(dev, mailbox);
+ return err;
+}
+EXPORT_SYMBOL(mlx4_SET_PORT_VXLAN);
+
int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_vhcr *vhcr,
struct mlx4_cmd_mailbox *inbox,
@@ -856,3 +1178,115 @@ void mlx4_set_stats_bitmap(struct mlx4_dev *dev, u64 *stats_bitmap)
*stats_bitmap |= MLX4_STATS_ERROR_COUNTERS_MASK;
}
EXPORT_SYMBOL(mlx4_set_stats_bitmap);
+
+int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
+ int *slave_id)
+{
+ struct mlx4_priv *priv = mlx4_priv(dev);
+ int i, found_ix = -1;
+ int vf_gids = MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS;
+ struct mlx4_slaves_pport slaves_pport;
+ unsigned num_vfs;
+ int slave_gid;
+
+ if (!mlx4_is_mfunc(dev))
+ return -EINVAL;
+
+ slaves_pport = mlx4_phys_to_slaves_pport(dev, port);
+ num_vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1;
+
+ for (i = 0; i < MLX4_ROCE_MAX_GIDS; i++) {
+ if (!memcmp(priv->port[port].gid_table.roce_gids[i].raw, gid,
+ MLX4_ROCE_GID_ENTRY_SIZE)) {
+ found_ix = i;
+ break;
+ }
+ }
+
+ if (found_ix >= 0) {
+ /* Calculate a slave_gid which is the slave number in the gid
+ * table and not a globally unique slave number.
+ */
+ if (found_ix < MLX4_ROCE_PF_GIDS)
+ slave_gid = 0;
+ else if (found_ix < MLX4_ROCE_PF_GIDS + (vf_gids % num_vfs) *
+ (vf_gids / num_vfs + 1))
+ slave_gid = ((found_ix - MLX4_ROCE_PF_GIDS) /
+ (vf_gids / num_vfs + 1)) + 1;
+ else
+ slave_gid =
+ ((found_ix - MLX4_ROCE_PF_GIDS -
+ ((vf_gids % num_vfs) * ((vf_gids / num_vfs + 1)))) /
+ (vf_gids / num_vfs)) + vf_gids % num_vfs + 1;
+
+ /* Calculate the globally unique slave id */
+ if (slave_gid) {
+ struct mlx4_active_ports exclusive_ports;
+ struct mlx4_active_ports actv_ports;
+ struct mlx4_slaves_pport slaves_pport_actv;
+ unsigned max_port_p_one;
+ int num_vfs_before = 0;
+ int candidate_slave_gid;
+
+ /* Calculate how many VFs are on the previous port, if exists */
+ for (i = 1; i < port; i++) {
+ bitmap_zero(exclusive_ports.ports, dev->caps.num_ports);
+ set_bit(i - 1, exclusive_ports.ports);
+ slaves_pport_actv =
+ mlx4_phys_to_slaves_pport_actv(
+ dev, &exclusive_ports);
+ num_vfs_before += bitmap_weight(
+ slaves_pport_actv.slaves,
+ dev->num_vfs + 1);
+ }
+
+ /* candidate_slave_gid isn't necessarily the correct slave, but
+ * it has the same number of ports and is assigned to the same
+ * ports as the real slave we're looking for. On dual port VF,
+ * slave_gid = [single port VFs on port <port>] +
+ * [offset of the current slave from the first dual port VF] +
+ * 1 (for the PF).
+ */
+ candidate_slave_gid = slave_gid + num_vfs_before;
+
+ actv_ports = mlx4_get_active_ports(dev, candidate_slave_gid);
+ max_port_p_one = find_first_bit(
+ actv_ports.ports, dev->caps.num_ports) +
+ bitmap_weight(actv_ports.ports,
+ dev->caps.num_ports) + 1;
+
+ /* Calculate the real slave number */
+ for (i = 1; i < max_port_p_one; i++) {
+ if (i == port)
+ continue;
+ bitmap_zero(exclusive_ports.ports,
+ dev->caps.num_ports);
+ set_bit(i - 1, exclusive_ports.ports);
+ slaves_pport_actv =
+ mlx4_phys_to_slaves_pport_actv(
+ dev, &exclusive_ports);
+ slave_gid += bitmap_weight(
+ slaves_pport_actv.slaves,
+ dev->num_vfs + 1);
+ }
+ }
+ *slave_id = slave_gid;
+ }
+
+ return (found_ix >= 0) ? 0 : -EINVAL;
+}
+EXPORT_SYMBOL(mlx4_get_slave_from_roce_gid);
+
+int mlx4_get_roce_gid_from_slave(struct mlx4_dev *dev, int port, int slave_id,
+ u8 *gid)
+{
+ struct mlx4_priv *priv = mlx4_priv(dev);
+
+ if (!mlx4_is_master(dev))
+ return -EINVAL;
+
+ memcpy(gid, priv->port[port].gid_table.roce_gids[slave_id].raw,
+ MLX4_ROCE_GID_ENTRY_SIZE);
+ return 0;
+}
+EXPORT_SYMBOL(mlx4_get_roce_gid_from_slave);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 18:16:42 +0000