mlx4_core: Multiple port type support
Multi-protocol adapters support different port types. Each consumer of mlx4_core queries for supported port types; in particular mlx4_ib can no longer assume that all physical ports belong to it. Port type is configured through a sysfs interface. When the type of a port is changed, all mlx4 interfaces are unregistered, and then registered again with the new port types. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>hifive-unleashed-5.1
Yevgeny Petrilin
Roland Dreier
parent
2a2336f822
commit
7ff93f8b7e
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@ -298,7 +298,7 @@ int mlx4_ib_mad_init(struct mlx4_ib_dev *dev)
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int p, q;
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int ret;
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for (p = 0; p < dev->dev->caps.num_ports; ++p)
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for (p = 0; p < dev->num_ports; ++p)
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for (q = 0; q <= 1; ++q) {
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agent = ib_register_mad_agent(&dev->ib_dev, p + 1,
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q ? IB_QPT_GSI : IB_QPT_SMI,
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@ -314,7 +314,7 @@ int mlx4_ib_mad_init(struct mlx4_ib_dev *dev)
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return 0;
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err:
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for (p = 0; p < dev->dev->caps.num_ports; ++p)
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for (p = 0; p < dev->num_ports; ++p)
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for (q = 0; q <= 1; ++q)
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if (dev->send_agent[p][q])
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ib_unregister_mad_agent(dev->send_agent[p][q]);
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@ -327,7 +327,7 @@ void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev)
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struct ib_mad_agent *agent;
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int p, q;
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for (p = 0; p < dev->dev->caps.num_ports; ++p) {
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for (p = 0; p < dev->num_ports; ++p) {
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for (q = 0; q <= 1; ++q) {
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agent = dev->send_agent[p][q];
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dev->send_agent[p][q] = NULL;
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@ -574,7 +574,10 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
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ibdev->ib_dev.owner = THIS_MODULE;
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ibdev->ib_dev.node_type = RDMA_NODE_IB_CA;
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ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey;
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ibdev->ib_dev.phys_port_cnt = dev->caps.num_ports;
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ibdev->num_ports = 0;
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mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
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ibdev->num_ports++;
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ibdev->ib_dev.phys_port_cnt = ibdev->num_ports;
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ibdev->ib_dev.num_comp_vectors = 1;
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ibdev->ib_dev.dma_device = &dev->pdev->dev;
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@ -691,7 +694,7 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
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struct mlx4_ib_dev *ibdev = ibdev_ptr;
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int p;
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for (p = 1; p <= dev->caps.num_ports; ++p)
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for (p = 1; p <= ibdev->num_ports; ++p)
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mlx4_CLOSE_PORT(dev, p);
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mlx4_ib_mad_cleanup(ibdev);
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@ -706,6 +709,10 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
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enum mlx4_dev_event event, int port)
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{
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struct ib_event ibev;
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struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr);
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if (port > ibdev->num_ports)
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return;
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switch (event) {
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case MLX4_DEV_EVENT_PORT_UP:
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@ -162,6 +162,7 @@ struct mlx4_ib_ah {
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struct mlx4_ib_dev {
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struct ib_device ib_dev;
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struct mlx4_dev *dev;
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int num_ports;
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void __iomem *uar_map;
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struct mlx4_uar priv_uar;
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@ -88,6 +88,7 @@ static void dump_dev_cap_flags(struct mlx4_dev *dev, u32 flags)
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[ 8] = "P_Key violation counter",
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[ 9] = "Q_Key violation counter",
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[10] = "VMM",
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[12] = "DPDP",
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[16] = "MW support",
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[17] = "APM support",
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[18] = "Atomic ops support",
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@ -354,6 +355,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
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dev_cap->max_pkeys[i] = 1 << (field & 0xf);
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}
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} else {
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#define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00
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#define QUERY_PORT_MTU_OFFSET 0x01
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#define QUERY_PORT_ETH_MTU_OFFSET 0x02
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#define QUERY_PORT_WIDTH_OFFSET 0x06
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@ -368,6 +370,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
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if (err)
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goto out;
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MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
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dev_cap->supported_port_types[i] = field & 3;
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MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
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dev_cap->ib_mtu[i] = field & 0xf;
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MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
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@ -104,6 +104,7 @@ struct mlx4_dev_cap {
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u32 reserved_lkey;
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u64 max_icm_sz;
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int max_gso_sz;
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u8 supported_port_types[MLX4_MAX_PORTS + 1];
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u8 log_max_macs[MLX4_MAX_PORTS + 1];
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u8 log_max_vlans[MLX4_MAX_PORTS + 1];
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};
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@ -98,6 +98,44 @@ module_param_named(use_prio, use_prio, bool, 0444);
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MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports "
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"(0/1, default 0)");
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static int mlx4_check_port_params(struct mlx4_dev *dev,
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enum mlx4_port_type *port_type)
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{
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int i;
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for (i = 0; i < dev->caps.num_ports - 1; i++) {
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if (port_type[i] != port_type[i+1] &&
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!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) {
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mlx4_err(dev, "Only same port types supported "
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"on this HCA, aborting.\n");
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return -EINVAL;
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}
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}
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if ((port_type[0] == MLX4_PORT_TYPE_ETH) &&
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(port_type[1] == MLX4_PORT_TYPE_IB)) {
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mlx4_err(dev, "eth-ib configuration is not supported.\n");
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return -EINVAL;
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}
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for (i = 0; i < dev->caps.num_ports; i++) {
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if (!(port_type[i] & dev->caps.supported_type[i+1])) {
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mlx4_err(dev, "Requested port type for port %d is not "
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"supported on this HCA\n", i + 1);
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return -EINVAL;
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}
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}
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return 0;
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}
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static void mlx4_set_port_mask(struct mlx4_dev *dev)
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{
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int i;
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dev->caps.port_mask = 0;
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for (i = 1; i <= dev->caps.num_ports; ++i)
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if (dev->caps.port_type[i] == MLX4_PORT_TYPE_IB)
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dev->caps.port_mask |= 1 << (i - 1);
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}
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static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
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{
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int err;
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@ -139,6 +177,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
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dev->caps.port_width_cap[i] = dev_cap->max_port_width[i];
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dev->caps.eth_mtu_cap[i] = dev_cap->eth_mtu[i];
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dev->caps.def_mac[i] = dev_cap->def_mac[i];
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dev->caps.supported_type[i] = dev_cap->supported_port_types[i];
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}
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dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE;
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@ -182,6 +221,11 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
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dev->caps.log_num_prios = use_prio ? 3 : 0;
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for (i = 1; i <= dev->caps.num_ports; ++i) {
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if (dev->caps.supported_type[i] != MLX4_PORT_TYPE_ETH)
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dev->caps.port_type[i] = MLX4_PORT_TYPE_IB;
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else
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dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH;
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if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) {
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dev->caps.log_num_macs = dev_cap->log_max_macs[i];
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mlx4_warn(dev, "Requested number of MACs is too much "
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@ -196,6 +240,8 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
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}
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}
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mlx4_set_port_mask(dev);
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dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps;
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dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] =
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dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] =
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@ -213,6 +259,95 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
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return 0;
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}
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/*
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* Change the port configuration of the device.
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* Every user of this function must hold the port mutex.
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*/
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static int mlx4_change_port_types(struct mlx4_dev *dev,
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enum mlx4_port_type *port_types)
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{
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int err = 0;
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int change = 0;
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int port;
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for (port = 0; port < dev->caps.num_ports; port++) {
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if (port_types[port] != dev->caps.port_type[port + 1]) {
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change = 1;
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dev->caps.port_type[port + 1] = port_types[port];
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}
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}
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if (change) {
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mlx4_unregister_device(dev);
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for (port = 1; port <= dev->caps.num_ports; port++) {
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mlx4_CLOSE_PORT(dev, port);
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err = mlx4_SET_PORT(dev, port);
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if (err) {
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mlx4_err(dev, "Failed to set port %d, "
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"aborting\n", port);
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goto out;
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}
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}
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mlx4_set_port_mask(dev);
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err = mlx4_register_device(dev);
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}
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out:
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return err;
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}
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static ssize_t show_port_type(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
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port_attr);
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struct mlx4_dev *mdev = info->dev;
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return sprintf(buf, "%s\n",
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mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB ?
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"ib" : "eth");
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}
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static ssize_t set_port_type(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
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port_attr);
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struct mlx4_dev *mdev = info->dev;
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struct mlx4_priv *priv = mlx4_priv(mdev);
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enum mlx4_port_type types[MLX4_MAX_PORTS];
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int i;
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int err = 0;
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if (!strcmp(buf, "ib\n"))
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info->tmp_type = MLX4_PORT_TYPE_IB;
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else if (!strcmp(buf, "eth\n"))
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info->tmp_type = MLX4_PORT_TYPE_ETH;
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else {
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mlx4_err(mdev, "%s is not supported port type\n", buf);
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return -EINVAL;
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}
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mutex_lock(&priv->port_mutex);
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for (i = 0; i < mdev->caps.num_ports; i++)
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types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type :
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mdev->caps.port_type[i+1];
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err = mlx4_check_port_params(mdev, types);
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if (err)
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goto out;
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for (i = 1; i <= mdev->caps.num_ports; i++)
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priv->port[i].tmp_type = 0;
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err = mlx4_change_port_types(mdev, types);
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out:
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mutex_unlock(&priv->port_mutex);
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return err ? err : count;
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}
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static int mlx4_load_fw(struct mlx4_dev *dev)
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{
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struct mlx4_priv *priv = mlx4_priv(dev);
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@ -617,6 +752,7 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
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{
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struct mlx4_priv *priv = mlx4_priv(dev);
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int err;
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int port;
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err = mlx4_init_uar_table(dev);
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if (err) {
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@ -715,8 +851,20 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
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goto err_qp_table_free;
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}
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for (port = 1; port <= dev->caps.num_ports; port++) {
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err = mlx4_SET_PORT(dev, port);
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if (err) {
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mlx4_err(dev, "Failed to set port %d, aborting\n",
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port);
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goto err_mcg_table_free;
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}
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}
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return 0;
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err_mcg_table_free:
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mlx4_cleanup_mcg_table(dev);
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err_qp_table_free:
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mlx4_cleanup_qp_table(dev);
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@ -780,14 +928,37 @@ no_msi:
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priv->eq_table.eq[i].irq = dev->pdev->irq;
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}
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static void mlx4_init_port_info(struct mlx4_dev *dev, int port)
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static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
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{
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struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
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int err = 0;
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info->dev = dev;
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info->port = port;
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mlx4_init_mac_table(dev, &info->mac_table);
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mlx4_init_vlan_table(dev, &info->vlan_table);
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sprintf(info->dev_name, "mlx4_port%d", port);
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info->port_attr.attr.name = info->dev_name;
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info->port_attr.attr.mode = S_IRUGO | S_IWUSR;
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info->port_attr.show = show_port_type;
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info->port_attr.store = set_port_type;
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err = device_create_file(&dev->pdev->dev, &info->port_attr);
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if (err) {
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mlx4_err(dev, "Failed to create file for port %d\n", port);
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info->port = -1;
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}
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return err;
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}
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static void mlx4_cleanup_port_info(struct mlx4_port_info *info)
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{
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if (info->port < 0)
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return;
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device_remove_file(&info->dev->pdev->dev, &info->port_attr);
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}
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static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
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@ -870,6 +1041,8 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
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INIT_LIST_HEAD(&priv->ctx_list);
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spin_lock_init(&priv->ctx_lock);
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mutex_init(&priv->port_mutex);
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INIT_LIST_HEAD(&priv->pgdir_list);
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mutex_init(&priv->pgdir_mutex);
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@ -905,18 +1078,24 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
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if (err)
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goto err_close;
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for (port = 1; port <= dev->caps.num_ports; port++)
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mlx4_init_port_info(dev, port);
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for (port = 1; port <= dev->caps.num_ports; port++) {
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err = mlx4_init_port_info(dev, port);
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if (err)
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goto err_port;
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}
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err = mlx4_register_device(dev);
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if (err)
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goto err_cleanup;
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goto err_port;
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pci_set_drvdata(pdev, dev);
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return 0;
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err_cleanup:
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err_port:
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for (port = 1; port <= dev->caps.num_ports; port++)
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mlx4_cleanup_port_info(&priv->port[port]);
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mlx4_cleanup_mcg_table(dev);
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mlx4_cleanup_qp_table(dev);
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mlx4_cleanup_srq_table(dev);
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@ -973,8 +1152,10 @@ static void mlx4_remove_one(struct pci_dev *pdev)
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if (dev) {
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mlx4_unregister_device(dev);
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for (p = 1; p <= dev->caps.num_ports; ++p)
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for (p = 1; p <= dev->caps.num_ports; p++) {
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mlx4_cleanup_port_info(&priv->port[p]);
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mlx4_CLOSE_PORT(dev, p);
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}
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mlx4_cleanup_mcg_table(dev);
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mlx4_cleanup_qp_table(dev);
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@ -1026,10 +1207,28 @@ static struct pci_driver mlx4_driver = {
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.remove = __devexit_p(mlx4_remove_one)
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};
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static int __init mlx4_verify_params(void)
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{
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if ((log_num_mac < 0) || (log_num_mac > 7)) {
|
||||
printk(KERN_WARNING "mlx4_core: bad num_mac: %d\n", log_num_mac);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if ((log_num_vlan < 0) || (log_num_vlan > 7)) {
|
||||
printk(KERN_WARNING "mlx4_core: bad num_vlan: %d\n", log_num_vlan);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __init mlx4_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
if (mlx4_verify_params())
|
||||
return -EINVAL;
|
||||
|
||||
ret = mlx4_catas_init();
|
||||
if (ret)
|
||||
return ret;
|
||||
|
|
|
|||
|
|
@ -277,6 +277,9 @@ struct mlx4_vlan_table {
|
|||
struct mlx4_port_info {
|
||||
struct mlx4_dev *dev;
|
||||
int port;
|
||||
char dev_name[16];
|
||||
struct device_attribute port_attr;
|
||||
enum mlx4_port_type tmp_type;
|
||||
struct mlx4_mac_table mac_table;
|
||||
struct mlx4_vlan_table vlan_table;
|
||||
};
|
||||
|
|
@ -310,6 +313,7 @@ struct mlx4_priv {
|
|||
struct mlx4_uar driver_uar;
|
||||
void __iomem *kar;
|
||||
struct mlx4_port_info port[MLX4_MAX_PORTS + 1];
|
||||
struct mutex port_mutex;
|
||||
};
|
||||
|
||||
static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
|
||||
|
|
@ -383,4 +387,6 @@ void mlx4_handle_catas_err(struct mlx4_dev *dev);
|
|||
void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
|
||||
void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
|
||||
|
||||
int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port);
|
||||
|
||||
#endif /* MLX4_H */
|
||||
|
|
|
|||
|
|
@ -257,3 +257,26 @@ out:
|
|||
mutex_unlock(&table->mutex);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(mlx4_unregister_vlan);
|
||||
|
||||
int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port)
|
||||
{
|
||||
struct mlx4_cmd_mailbox *mailbox;
|
||||
int err;
|
||||
u8 is_eth = dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH;
|
||||
|
||||
mailbox = mlx4_alloc_cmd_mailbox(dev);
|
||||
if (IS_ERR(mailbox))
|
||||
return PTR_ERR(mailbox);
|
||||
|
||||
memset(mailbox->buf, 0, 256);
|
||||
if (is_eth) {
|
||||
((u8 *) mailbox->buf)[3] = 6;
|
||||
((__be16 *) mailbox->buf)[4] = cpu_to_be16(1 << 15);
|
||||
((__be16 *) mailbox->buf)[6] = cpu_to_be16(1 << 15);
|
||||
}
|
||||
err = mlx4_cmd(dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT,
|
||||
MLX4_CMD_TIME_CLASS_B);
|
||||
|
||||
mlx4_free_cmd_mailbox(dev, mailbox);
|
||||
return err;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -60,6 +60,7 @@ enum {
|
|||
MLX4_DEV_CAP_FLAG_IPOIB_CSUM = 1 << 7,
|
||||
MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1 << 8,
|
||||
MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1 << 9,
|
||||
MLX4_DEV_CAP_FLAG_DPDP = 1 << 12,
|
||||
MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1 << 16,
|
||||
MLX4_DEV_CAP_FLAG_APM = 1 << 17,
|
||||
MLX4_DEV_CAP_FLAG_ATOMIC = 1 << 18,
|
||||
|
|
@ -153,6 +154,11 @@ enum mlx4_qp_region {
|
|||
MLX4_NUM_QP_REGION
|
||||
};
|
||||
|
||||
enum mlx4_port_type {
|
||||
MLX4_PORT_TYPE_IB = 1 << 0,
|
||||
MLX4_PORT_TYPE_ETH = 1 << 1,
|
||||
};
|
||||
|
||||
enum mlx4_special_vlan_idx {
|
||||
MLX4_NO_VLAN_IDX = 0,
|
||||
MLX4_VLAN_MISS_IDX,
|
||||
|
|
@ -226,6 +232,9 @@ struct mlx4_caps {
|
|||
int log_num_macs;
|
||||
int log_num_vlans;
|
||||
int log_num_prios;
|
||||
enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1];
|
||||
u8 supported_type[MLX4_MAX_PORTS + 1];
|
||||
u32 port_mask;
|
||||
};
|
||||
|
||||
struct mlx4_buf_list {
|
||||
|
|
@ -380,6 +389,11 @@ struct mlx4_init_port_param {
|
|||
u64 si_guid;
|
||||
};
|
||||
|
||||
#define mlx4_foreach_port(port, dev, type) \
|
||||
for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
|
||||
if (((type) == MLX4_PORT_TYPE_IB ? (dev)->caps.port_mask : \
|
||||
~(dev)->caps.port_mask) & 1 << ((port) - 1))
|
||||
|
||||
int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
|
||||
struct mlx4_buf *buf);
|
||||
void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
|
||||
|
|
|
|||
Loading…
Reference in New Issue