diff options
Diffstat (limited to 'drivers/infiniband/core/ucma.c')
| -rw-r--r-- | drivers/infiniband/core/ucma.c | 57 |
1 files changed, 53 insertions, 4 deletions
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index bb96d3c4b0f4..b2e16c332d5b 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -43,6 +43,7 @@ #include <rdma/rdma_user_cm.h> #include <rdma/ib_marshall.h> #include <rdma/rdma_cm.h> +#include <rdma/rdma_cm_ib.h> MODULE_AUTHOR("Sean Hefty"); MODULE_DESCRIPTION("RDMA Userspace Connection Manager Access"); @@ -562,10 +563,10 @@ static void ucma_copy_ib_route(struct rdma_ucm_query_route_resp *resp, switch (route->num_paths) { case 0: dev_addr = &route->addr.dev_addr; - ib_addr_get_dgid(dev_addr, - (union ib_gid *) &resp->ib_route[0].dgid); - ib_addr_get_sgid(dev_addr, - (union ib_gid *) &resp->ib_route[0].sgid); + rdma_addr_get_dgid(dev_addr, + (union ib_gid *) &resp->ib_route[0].dgid); + rdma_addr_get_sgid(dev_addr, + (union ib_gid *) &resp->ib_route[0].sgid); resp->ib_route[0].pkey = cpu_to_be16(ib_addr_get_pkey(dev_addr)); break; case 2: @@ -812,6 +813,51 @@ static int ucma_set_option_id(struct ucma_context *ctx, int optname, return ret; } +static int ucma_set_ib_path(struct ucma_context *ctx, + struct ib_path_rec_data *path_data, size_t optlen) +{ + struct ib_sa_path_rec sa_path; + struct rdma_cm_event event; + int ret; + + if (optlen % sizeof(*path_data)) + return -EINVAL; + + for (; optlen; optlen -= sizeof(*path_data), path_data++) { + if (path_data->flags == (IB_PATH_GMP | IB_PATH_PRIMARY | + IB_PATH_BIDIRECTIONAL)) + break; + } + + if (!optlen) + return -EINVAL; + + ib_sa_unpack_path(path_data->path_rec, &sa_path); + ret = rdma_set_ib_paths(ctx->cm_id, &sa_path, 1); + if (ret) + return ret; + + memset(&event, 0, sizeof event); + event.event = RDMA_CM_EVENT_ROUTE_RESOLVED; + return ucma_event_handler(ctx->cm_id, &event); +} + +static int ucma_set_option_ib(struct ucma_context *ctx, int optname, + void *optval, size_t optlen) +{ + int ret; + + switch (optname) { + case RDMA_OPTION_IB_PATH: + ret = ucma_set_ib_path(ctx, optval, optlen); + break; + default: + ret = -ENOSYS; + } + + return ret; +} + static int ucma_set_option_level(struct ucma_context *ctx, int level, int optname, void *optval, size_t optlen) { @@ -821,6 +867,9 @@ static int ucma_set_option_level(struct ucma_context *ctx, int level, case RDMA_OPTION_ID: ret = ucma_set_option_id(ctx, optname, optval, optlen); break; + case RDMA_OPTION_IB: + ret = ucma_set_option_ib(ctx, optname, optval, optlen); + break; default: ret = -ENOSYS; } |