diff options
| author | Leon Romanovsky <leonro@mellanox.com> | 2020-05-26 13:33:04 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-05-27 16:05:05 -0300 |
| commit | 8094ba0ace7f6cd1e31ea8b151fba3594cadfa9a (patch) | |
| tree | 99c534530158357e07883b6e932ef96b3fead123 /drivers/infiniband/core/ucma.c | |
| parent | 0cb15372a615a9835893f43e86ae45399eb63996 (diff) | |
| download | linux-8094ba0ace7f6cd1e31ea8b151fba3594cadfa9a.tar.bz2 | |
RDMA/cma: Provide ECE reject reason
IBTA declares "vendor option not supported" reject reason in REJ messages
if passive side doesn't want to accept proposed ECE options.
Due to the fact that ECE is managed by userspace, there is a need to let
users to provide such rejected reason.
Link: https://lore.kernel.org/r/20200526103304.196371-7-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/ucma.c')
| -rw-r--r-- | drivers/infiniband/core/ucma.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index 6b27b210b890..5b87eee8ccc8 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -52,6 +52,7 @@ #include <rdma/rdma_cm_ib.h> #include <rdma/ib_addr.h> #include <rdma/ib.h> +#include <rdma/ib_cm.h> #include <rdma/rdma_netlink.h> #include "core_priv.h" @@ -1181,12 +1182,24 @@ static ssize_t ucma_reject(struct ucma_file *file, const char __user *inbuf, if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; + if (!cmd.reason) + cmd.reason = IB_CM_REJ_CONSUMER_DEFINED; + + switch (cmd.reason) { + case IB_CM_REJ_CONSUMER_DEFINED: + case IB_CM_REJ_VENDOR_OPTION_NOT_SUPPORTED: + break; + default: + return -EINVAL; + } + ctx = ucma_get_ctx_dev(file, cmd.id); if (IS_ERR(ctx)) return PTR_ERR(ctx); mutex_lock(&ctx->mutex); - ret = rdma_reject(ctx->cm_id, cmd.private_data, cmd.private_data_len); + ret = rdma_reject(ctx->cm_id, cmd.private_data, cmd.private_data_len, + cmd.reason); mutex_unlock(&ctx->mutex); ucma_put_ctx(ctx); return ret; |