}
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);
+
+bool rdma_is_consumer_reject(struct rdma_cm_id *id, int reason)
+{
+ if (rdma_ib_or_roce(id->device, id->port_num))
+ return reason == IB_CM_REJ_CONSUMER_DEFINED;
+
+ if (rdma_protocol_iwarp(id->device, id->port_num))
+ return reason == -ECONNREFUSED;
+
+ WARN_ON_ONCE(1);
+ return false;
+}
+EXPORT_SYMBOL(rdma_is_consumer_reject);
+
+const void *rdma_consumer_reject_data(struct rdma_cm_id *id,
+ struct rdma_cm_event *ev, u8 *data_len)
+{
+ const void *p;
+
+ if (rdma_is_consumer_reject(id, ev->status)) {
+ *data_len = ev->param.conn.private_data_len;
+ p = ev->param.conn.private_data;
+ } else {
+ *data_len = 0;
+ p = NULL;
+ }
+ return p;
+}
+EXPORT_SYMBOL(rdma_consumer_reject_data);
+
static void cma_add_one(struct ib_device *device);
static void cma_remove_one(struct ib_device *device, void *client_data);
static LIST_HEAD(listen_any_list);
static DEFINE_MUTEX(lock);
static struct workqueue_struct *cma_wq;
-static int cma_pernet_id;
+static unsigned int cma_pernet_id;
struct cma_pernet {
struct idr tcp_ps;
if (!src_addr || !src_addr->sa_family) {
src_addr = (struct sockaddr *) &id->route.addr.src_addr;
src_addr->sa_family = dst_addr->sa_family;
- if (dst_addr->sa_family == AF_INET6) {
+ if (IS_ENABLED(CONFIG_IPV6) &&
+ dst_addr->sa_family == AF_INET6) {
struct sockaddr_in6 *src_addr6 = (struct sockaddr_in6 *) src_addr;
struct sockaddr_in6 *dst_addr6 = (struct sockaddr_in6 *) dst_addr;
src_addr6->sin6_scope_id = dst_addr6->sin6_scope_id;