@@ -43,6 +43,28 @@
#define NVME_RDMA_MAX_INLINE_SEGMENTS 1
+static const char *const nvme_rdma_cm_status_strs[] = {
+ [NVME_RDMA_CM_INVALID_LEN] = "invalid length",
+ [NVME_RDMA_CM_INVALID_RECFMT] = "invalid record format",
+ [NVME_RDMA_CM_INVALID_QID] = "invalid queue ID",
+ [NVME_RDMA_CM_INVALID_HSQSIZE] = "invalid host SQ size",
+ [NVME_RDMA_CM_INVALID_HRQSIZE] = "invalid host RQ size",
+ [NVME_RDMA_CM_NO_RSC] = "resource not found",
+ [NVME_RDMA_CM_INVALID_IRD] = "invalid IRD",
+ [NVME_RDMA_CM_INVALID_ORD] = "Invalid ORD",
+};
+
+static const char *nvme_rdma_cm_msg(enum nvme_rdma_cm_status status)
+{
+ size_t index = status;
+
+ if (index < ARRAY_SIZE(nvme_rdma_cm_status_strs) &&
+ nvme_rdma_cm_status_strs[index])
+ return nvme_rdma_cm_status_strs[index];
+ else
+ return "unrecognized reason";
+};
+
/*
* We handle AEN commands ourselves and don't even let the
* block layer know about them.
@@ -1222,16 +1244,24 @@ out_destroy_queue_ib:
static int nvme_rdma_conn_rejected(struct nvme_rdma_queue *queue,
struct rdma_cm_event *ev)
{
- if (ev->param.conn.private_data_len) {
- struct nvme_rdma_cm_rej *rej =
- (struct nvme_rdma_cm_rej *)ev->param.conn.private_data;
+ struct rdma_cm_id *cm_id = queue->cm_id;
+ int status = ev->status;
+ const char *rej_msg;
+ const struct nvme_rdma_cm_rej *rej_data;
+ u8 rej_data_len;
+
+ rej_msg = rdma_reject_msg(cm_id, status);
+ rej_data = rdma_consumer_reject_data(cm_id, ev, &rej_data_len);
+
+ if (rej_data && rej_data_len >= sizeof(u16)) {
+ u16 sts = le16_to_cpu(rej_data->sts);
dev_err(queue->ctrl->ctrl.device,
- "Connect rejected, status %d.", le16_to_cpu(rej->sts));
- /* XXX: Think of something clever to do here... */
+ "Connect rejected: status %d (%s) nvme status %d (%s).\n",
+ status, rej_msg, sts, nvme_rdma_cm_msg(sts));
} else {
dev_err(queue->ctrl->ctrl.device,
- "Connect rejected, no private data.\n");
+ "Connect rejected: status %d (%s).\n", status, rej_msg);
}
return -ECONNRESET;