git: e25bcf8d775c - main - ibcore: Add rdma_reject_msg() helper function.
Hans Petter Selasky
hselasky at FreeBSD.org
Mon Jul 12 13:09:23 UTC 2021
The branch main has been updated by hselasky:
URL: https://cgit.FreeBSD.org/src/commit/?id=e25bcf8d775c61e9bb67246545d2ee6717f4ca89
commit e25bcf8d775c61e9bb67246545d2ee6717f4ca89
Author: Hans Petter Selasky <hselasky at FreeBSD.org>
AuthorDate: 2021-06-16 13:01:34 +0000
Commit: Hans Petter Selasky <hselasky at FreeBSD.org>
CommitDate: 2021-07-12 12:22:30 +0000
ibcore: Add rdma_reject_msg() helper function.
rdma_reject_msg() returns a pointer to a string message associated with
the transport reject reason codes.
Linux commit:
77a5db13153906a7e00740b10b2730e53385c5a8
MFC after: 1 week
Reviewed by: kib
Sponsored by: Mellanox Technologies // NVIDIA Networking
---
sys/ofed/drivers/infiniband/core/ib_cm.c | 48 ++++++++++++++++++++++++++++++
sys/ofed/drivers/infiniband/core/ib_cma.c | 14 +++++++++
sys/ofed/drivers/infiniband/core/ib_iwcm.c | 21 +++++++++++++
sys/ofed/include/rdma/ib_cm.h | 6 ++++
sys/ofed/include/rdma/iw_cm.h | 6 ++++
sys/ofed/include/rdma/rdma_cm.h | 8 +++++
6 files changed, 103 insertions(+)
diff --git a/sys/ofed/drivers/infiniband/core/ib_cm.c b/sys/ofed/drivers/infiniband/core/ib_cm.c
index 5d0229f57260..c0ee472c01a1 100644
--- a/sys/ofed/drivers/infiniband/core/ib_cm.c
+++ b/sys/ofed/drivers/infiniband/core/ib_cm.c
@@ -65,6 +65,54 @@ MODULE_AUTHOR("Sean Hefty");
MODULE_DESCRIPTION("InfiniBand CM");
MODULE_LICENSE("Dual BSD/GPL");
+static const char * const ibcm_rej_reason_strs[] = {
+ [IB_CM_REJ_NO_QP] = "no QP",
+ [IB_CM_REJ_NO_EEC] = "no EEC",
+ [IB_CM_REJ_NO_RESOURCES] = "no resources",
+ [IB_CM_REJ_TIMEOUT] = "timeout",
+ [IB_CM_REJ_UNSUPPORTED] = "unsupported",
+ [IB_CM_REJ_INVALID_COMM_ID] = "invalid comm ID",
+ [IB_CM_REJ_INVALID_COMM_INSTANCE] = "invalid comm instance",
+ [IB_CM_REJ_INVALID_SERVICE_ID] = "invalid service ID",
+ [IB_CM_REJ_INVALID_TRANSPORT_TYPE] = "invalid transport type",
+ [IB_CM_REJ_STALE_CONN] = "stale conn",
+ [IB_CM_REJ_RDC_NOT_EXIST] = "RDC not exist",
+ [IB_CM_REJ_INVALID_GID] = "invalid GID",
+ [IB_CM_REJ_INVALID_LID] = "invalid LID",
+ [IB_CM_REJ_INVALID_SL] = "invalid SL",
+ [IB_CM_REJ_INVALID_TRAFFIC_CLASS] = "invalid traffic class",
+ [IB_CM_REJ_INVALID_HOP_LIMIT] = "invalid hop limit",
+ [IB_CM_REJ_INVALID_PACKET_RATE] = "invalid packet rate",
+ [IB_CM_REJ_INVALID_ALT_GID] = "invalid alt GID",
+ [IB_CM_REJ_INVALID_ALT_LID] = "invalid alt LID",
+ [IB_CM_REJ_INVALID_ALT_SL] = "invalid alt SL",
+ [IB_CM_REJ_INVALID_ALT_TRAFFIC_CLASS] = "invalid alt traffic class",
+ [IB_CM_REJ_INVALID_ALT_HOP_LIMIT] = "invalid alt hop limit",
+ [IB_CM_REJ_INVALID_ALT_PACKET_RATE] = "invalid alt packet rate",
+ [IB_CM_REJ_PORT_CM_REDIRECT] = "port CM redirect",
+ [IB_CM_REJ_PORT_REDIRECT] = "port redirect",
+ [IB_CM_REJ_INVALID_MTU] = "invalid MTU",
+ [IB_CM_REJ_INSUFFICIENT_RESP_RESOURCES] = "insufficient resp resources",
+ [IB_CM_REJ_CONSUMER_DEFINED] = "consumer defined",
+ [IB_CM_REJ_INVALID_RNR_RETRY] = "invalid RNR retry",
+ [IB_CM_REJ_DUPLICATE_LOCAL_COMM_ID] = "duplicate local comm ID",
+ [IB_CM_REJ_INVALID_CLASS_VERSION] = "invalid class version",
+ [IB_CM_REJ_INVALID_FLOW_LABEL] = "invalid flow label",
+ [IB_CM_REJ_INVALID_ALT_FLOW_LABEL] = "invalid alt flow label",
+};
+
+const char *__attribute_const__ ibcm_reject_msg(int reason)
+{
+ size_t index = reason;
+
+ if (index < ARRAY_SIZE(ibcm_rej_reason_strs) &&
+ ibcm_rej_reason_strs[index])
+ return ibcm_rej_reason_strs[index];
+ else
+ return "unrecognized reason";
+}
+EXPORT_SYMBOL(ibcm_reject_msg);
+
static void cm_add_one(struct ib_device *device);
static void cm_remove_one(struct ib_device *device, void *client_data);
diff --git a/sys/ofed/drivers/infiniband/core/ib_cma.c b/sys/ofed/drivers/infiniband/core/ib_cma.c
index 829d668dbd05..2639c61b94a4 100644
--- a/sys/ofed/drivers/infiniband/core/ib_cma.c
+++ b/sys/ofed/drivers/infiniband/core/ib_cma.c
@@ -112,6 +112,20 @@ const char *__attribute_const__ rdma_event_msg(enum rdma_cm_event_type event)
}
EXPORT_SYMBOL(rdma_event_msg);
+const char *__attribute_const__ rdma_reject_msg(struct rdma_cm_id *id,
+ int reason)
+{
+ if (rdma_ib_or_roce(id->device, id->port_num))
+ return ibcm_reject_msg(reason);
+
+ if (rdma_protocol_iwarp(id->device, id->port_num))
+ return iwcm_reject_msg(reason);
+
+ WARN_ON_ONCE(1);
+ return "unrecognized transport";
+}
+EXPORT_SYMBOL(rdma_reject_msg);
+
static int cma_check_linklocal(struct rdma_dev_addr *, struct sockaddr *);
static void cma_add_one(struct ib_device *device);
static void cma_remove_one(struct ib_device *device, void *client_data);
diff --git a/sys/ofed/drivers/infiniband/core/ib_iwcm.c b/sys/ofed/drivers/infiniband/core/ib_iwcm.c
index a2abfec40668..6ac7b06569de 100644
--- a/sys/ofed/drivers/infiniband/core/ib_iwcm.c
+++ b/sys/ofed/drivers/infiniband/core/ib_iwcm.c
@@ -63,6 +63,27 @@ 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 workqueue_struct *iwcm_wq;
struct iwcm_work {
struct work_struct work;
diff --git a/sys/ofed/include/rdma/ib_cm.h b/sys/ofed/include/rdma/ib_cm.h
index 8806494766f6..8333b73f1f41 100644
--- a/sys/ofed/include/rdma/ib_cm.h
+++ b/sys/ofed/include/rdma/ib_cm.h
@@ -622,4 +622,10 @@ struct ib_cm_sidr_rep_param {
int ib_send_cm_sidr_rep(struct ib_cm_id *cm_id,
struct ib_cm_sidr_rep_param *param);
+/**
+ * ibcm_reject_msg - return a pointer to a reject message string.
+ * @reason: Value returned in the REJECT event status field.
+ */
+const char *__attribute_const__ ibcm_reject_msg(int reason);
+
#endif /* IB_CM_H */
diff --git a/sys/ofed/include/rdma/iw_cm.h b/sys/ofed/include/rdma/iw_cm.h
index ddb12dfd9256..e9e118c9dea5 100644
--- a/sys/ofed/include/rdma/iw_cm.h
+++ b/sys/ofed/include/rdma/iw_cm.h
@@ -257,4 +257,10 @@ int iw_cm_disconnect(struct iw_cm_id *cm_id, int abrupt);
int iw_cm_init_qp_attr(struct iw_cm_id *cm_id, struct ib_qp_attr *qp_attr,
int *qp_attr_mask);
+/**
+ * iwcm_reject_msg - return a pointer to a reject message string.
+ * @reason: Value returned in the REJECT event status field.
+ */
+const char *__attribute_const__ iwcm_reject_msg(int reason);
+
#endif /* IW_CM_H */
diff --git a/sys/ofed/include/rdma/rdma_cm.h b/sys/ofed/include/rdma/rdma_cm.h
index 09fa5c084e36..b5ed43426969 100644
--- a/sys/ofed/include/rdma/rdma_cm.h
+++ b/sys/ofed/include/rdma/rdma_cm.h
@@ -392,4 +392,12 @@ int rdma_set_afonly(struct rdma_cm_id *id, int afonly);
*/
__be64 rdma_get_service_id(struct rdma_cm_id *id, struct sockaddr *addr);
+/**
+ * rdma_reject_msg - return a pointer to a reject message string.
+ * @id: Communication identifier that received the REJECT event.
+ * @reason: Value returned in the REJECT event status field.
+ */
+const char *__attribute_const__ rdma_reject_msg(struct rdma_cm_id *id,
+ int reason);
+
#endif /* RDMA_CM_H */
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