diff options
| author |   Steve Wise <swise@opengridcomputing.com> | 2016-10-26 12:36:40 -0700 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2016-12-14 11:38:28 -0500 |
| commit | 77a5db13153906a7e00740b10b2730e53385c5a8 (patch) | |
| tree | 5969d8817379f75a2b036ca2075405f5536407a8 /drivers/infiniband/core/iwcm.c | |
| parent | net/mlx5e: Add tc support for FWD rule with counter (diff) | |
| download | linux-dev-77a5db13153906a7e00740b10b2730e53385c5a8.tar.xz linux-dev-77a5db13153906a7e00740b10b2730e53385c5a8.zip | |
rdma_cm: add rdma_reject_msg() helper function
rdma_reject_msg() returns a pointer to a string message associated with
the transport reject reason codes.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core/iwcm.c')
| -rw-r--r-- | drivers/infiniband/core/iwcm.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 5495e22839a7..31661b5c1743 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -59,6 +59,27 @@ MODULE_AUTHOR("Tom Tucker"); MODULE_DESCRIPTION("iWARP CM"); MODULE_LICENSE("Dual BSD/GPL"); +static const char * const iwcm_rej_reason_strs[] = { + [ECONNRESET] = "reset by remote host", + [ECONNREFUSED] = "refused by remote application", + [ETIMEDOUT] = "setup timeout", +}; + +const char *__attribute_const__ iwcm_reject_msg(int reason) +{ + size_t index; + + /* iWARP uses negative errnos */ + index = -reason; + + if (index < ARRAY_SIZE(iwcm_rej_reason_strs) && + iwcm_rej_reason_strs[index]) + return iwcm_rej_reason_strs[index]; + else + return "unrecognized reason"; +} +EXPORT_SYMBOL(iwcm_reject_msg); + static struct ibnl_client_cbs iwcm_nl_cb_table[] = { [RDMA_NL_IWPM_REG_PID] = {.dump = iwpm_register_pid_cb}, [RDMA_NL_IWPM_ADD_MAPPING] = {.dump = iwpm_add_mapping_cb}, |