4 files changed, 28 insertions, 10 deletions

diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index 448eccb20638..b24508abb850 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -269,18 +269,21 @@ static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
         buf[0] = 0x00;
 }
 
-static inline void ipv6_ib_mc_map(struct in6_addr *addr, char *buf)
+static inline void ipv6_ib_mc_map(const struct in6_addr *addr,
+                                  const unsigned char *broadcast, char *buf)
 {
+        unsigned char scope = broadcast[5] & 0xF;
+
         buf[0]  = 0;            /* Reserved */
         buf[1]  = 0xff;         /* Multicast QPN */
         buf[2]  = 0xff;
         buf[3]  = 0xff;
         buf[4]  = 0xff;
-        buf[5]  = 0x12;         /* link local scope */
+        buf[5]  = 0x10 | scope; /* scope from broadcast address */
         buf[6]  = 0x60;         /* IPv6 signature */
         buf[7]  = 0x1b;
-        buf[8]  = 0;            /* P_Key */
-        buf[9]  = 0;
+        buf[8]  = broadcast[8]; /* P_Key */
+        buf[9]  = broadcast[9];
         memcpy(buf + 10, addr->s6_addr + 6, 10);
 }
 #endif
diff --git a/include/net/ip.h b/include/net/ip.h
index 840dd91b513b..50c8889b1b8d 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -266,20 +266,22 @@ static inline void ip_eth_mc_map(__be32 naddr, char *buf)
  *      Leave P_Key as 0 to be filled in by driver.
  */
 
-static inline void ip_ib_mc_map(__be32 naddr, char *buf)
+static inline void ip_ib_mc_map(__be32 naddr, const unsigned char *broadcast, char *buf)
 {
         __u32 addr;
+        unsigned char scope = broadcast[5] & 0xF;
+
         buf[0]  = 0;            /* Reserved */
         buf[1]  = 0xff;         /* Multicast QPN */
         buf[2]  = 0xff;
         buf[3]  = 0xff;
         addr    = ntohl(naddr);
         buf[4]  = 0xff;
-        buf[5]  = 0x12;         /* link local scope */
+        buf[5]  = 0x10 | scope; /* scope from broadcast address */
         buf[6]  = 0x40;         /* IPv4 signature */
         buf[7]  = 0x1b;
-        buf[8]  = 0;            /* P_Key */
-        buf[9]  = 0;
+        buf[8]  = broadcast[8];         /* P_Key */
+        buf[9]  = broadcast[9];
         buf[10] = 0;
         buf[11] = 0;
         buf[12] = 0;
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index 8ec3799e42e1..7228c056b9e9 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -230,7 +230,9 @@ struct ib_class_port_info
  * @seg_count: The number of RMPP segments allocated for this send.
  * @seg_size: Size of each RMPP segment.
  * @timeout_ms: Time to wait for a response.
- * @retries: Number of times to retry a request for a response.
+ * @retries: Number of times to retry a request for a response.  For MADs
+ *   using RMPP, this applies per window.  On completion, returns the number
+ *   of retries needed to complete the transfer.
  *
  * Users are responsible for initializing the MAD buffer itself, with the
  * exception of any RMPP header.  Additional segment buffer space allocated
diff --git a/include/rdma/rdma_user_cm.h b/include/rdma/rdma_user_cm.h
index 9749c1b34d00..c55705460b87 100644
--- a/include/rdma/rdma_user_cm.h
+++ b/include/rdma/rdma_user_cm.h
@@ -60,7 +60,8 @@ enum {
         RDMA_USER_CM_CMD_SET_OPTION,
         RDMA_USER_CM_CMD_NOTIFY,
         RDMA_USER_CM_CMD_JOIN_MCAST,
-        RDMA_USER_CM_CMD_LEAVE_MCAST
+        RDMA_USER_CM_CMD_LEAVE_MCAST,
+        RDMA_USER_CM_CMD_MIGRATE_ID
 };
 
 /*
@@ -230,4 +231,14 @@ struct rdma_ucm_set_option {
         __u32 optlen;
 };
 
+struct rdma_ucm_migrate_id {
+        __u64 response;
+        __u32 id;
+        __u32 fd;
+};
+
+struct rdma_ucm_migrate_resp {
+        __u32 events_reported;
+};
+
 #endif /* RDMA_USER_CM_H */