diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mad.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mad.c | 60 |
1 files changed, 53 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index ba2580693f7..29ed3b43e4a 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -75,6 +75,14 @@ struct mlx4_rcv_tunnel_mad { struct ib_mad mad; } __packed; +static void handle_client_rereg_event(struct mlx4_ib_dev *dev, u8 port_num); + +__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx) +{ + return cpu_to_be64(atomic_inc_return(&ctx->tid)) | + cpu_to_be64(0xff00000000000000LL); +} + int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags, int port, struct ib_wc *in_wc, struct ib_grh *in_grh, void *in_mad, void *response_mad) @@ -209,8 +217,7 @@ static void smp_snoop(struct ib_device *ibdev, u8 port_num, struct ib_mad *mad, pinfo->neighbormtu_mastersmsl & 0xf); if (pinfo->clientrereg_resv_subnetto & 0x80) - mlx4_ib_dispatch_event(dev, port_num, - IB_EVENT_CLIENT_REREGISTER); + handle_client_rereg_event(dev, port_num); if (prev_lid != lid) mlx4_ib_dispatch_event(dev, port_num, @@ -308,7 +315,17 @@ static void forward_trap(struct mlx4_ib_dev *dev, u8 port_num, struct ib_mad *ma static int mlx4_ib_demux_sa_handler(struct ib_device *ibdev, int port, int slave, struct ib_sa_mad *sa_mad) { - return 0; + int ret = 0; + + /* dispatch to different sa handlers */ + switch (be16_to_cpu(sa_mad->mad_hdr.attr_id)) { + case IB_SA_ATTR_MC_MEMBER_REC: + ret = mlx4_ib_mcg_demux_handler(ibdev, port, slave, sa_mad); + break; + default: + break; + } + return ret; } int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid) @@ -768,6 +785,16 @@ void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev) } } +static void handle_client_rereg_event(struct mlx4_ib_dev *dev, u8 port_num) +{ + /* re-configure the mcg's */ + if (mlx4_is_master(dev->dev)) { + if (!dev->sriov.is_going_down) + mlx4_ib_mcg_port_cleanup(&dev->sriov.demux[port_num - 1], 0); + } + mlx4_ib_dispatch_event(dev, port_num, IB_EVENT_CLIENT_REREGISTER); +} + void handle_port_mgmt_change_event(struct work_struct *work) { struct ib_event_work *ew = container_of(work, struct ib_event_work, work); @@ -797,8 +824,7 @@ void handle_port_mgmt_change_event(struct work_struct *work) mlx4_ib_dispatch_event(dev, port, IB_EVENT_GID_CHANGE); if (changed_attr & MLX4_EQ_PORT_INFO_CLIENT_REREG_MASK) - mlx4_ib_dispatch_event(dev, port, - IB_EVENT_CLIENT_REREGISTER); + handle_client_rereg_event(dev, port); break; case MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE: @@ -868,7 +894,17 @@ static int mlx4_ib_post_pv_qp_buf(struct mlx4_ib_demux_pv_ctx *ctx, static int mlx4_ib_multiplex_sa_handler(struct ib_device *ibdev, int port, int slave, struct ib_sa_mad *sa_mad) { - return 0; + int ret = 0; + + /* dispatch to different sa handlers */ + switch (be16_to_cpu(sa_mad->mad_hdr.attr_id)) { + case IB_SA_ATTR_MC_MEMBER_REC: + ret = mlx4_ib_mcg_multiplex_handler(ibdev, port, slave, sa_mad); + break; + default: + break; + } + return ret; } static int is_proxy_qp0(struct mlx4_ib_dev *dev, int qpn, int slave) @@ -1590,6 +1626,7 @@ static int mlx4_ib_tunnels_update(struct mlx4_ib_dev *dev, int slave, int ret = 0; if (!do_init) { + clean_vf_mcast(&dev->sriov.demux[port - 1], slave); /* for master, destroy real sqp resources */ if (slave == mlx4_master_func_num(dev->dev)) destroy_pv_resources(dev, slave, port, @@ -1643,10 +1680,16 @@ static int mlx4_ib_alloc_demux_ctx(struct mlx4_ib_dev *dev, ret = alloc_pv_object(dev, i, port, &ctx->tun[i]); if (ret) { ret = -ENOMEM; - goto err_wq; + goto err_mcg; } } + ret = mlx4_ib_mcg_port_init(ctx); + if (ret) { + pr_err("Failed initializing mcg para-virt (%d)\n", ret); + goto err_mcg; + } + snprintf(name, sizeof name, "mlx4_ibt%d", port); ctx->wq = create_singlethread_workqueue(name); if (!ctx->wq) { @@ -1670,6 +1713,8 @@ err_udwq: ctx->wq = NULL; err_wq: + mlx4_ib_mcg_port_cleanup(ctx, 1); +err_mcg: for (i = 0; i < dev->dev->caps.sqp_demux; i++) free_pv_object(dev, i, port); kfree(ctx->tun); @@ -1705,6 +1750,7 @@ static void mlx4_ib_free_demux_ctx(struct mlx4_ib_demux_ctx *ctx) int i; if (ctx) { struct mlx4_ib_dev *dev = to_mdev(ctx->ib_dev); + mlx4_ib_mcg_port_cleanup(ctx, 1); for (i = 0; i < dev->dev->caps.sqp_demux; i++) { if (!ctx->tun[i]) continue; |