[SCTP]: Tie ADD-IP and AUTH functionality as required by spec.

[powerpc.git] / net / sctp / sm_make_chunk.c

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index fa2ba54..f983a36 100644 (file)
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -1851,7 +1851,8 @@ static void sctp_process_ext_param(struct sctp_association *asoc,
                            break;
                    case SCTP_CID_ASCONF:
                    case SCTP_CID_ASCONF_ACK:
-                           /* don't need to do anything for ASCONF */
+                           asoc->peer.addip_capable = 1;
+                           break;
                    default:
                            break;
                }
@@ -2137,6 +2138,16 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
                                        !asoc->peer.peer_hmacs))
                asoc->peer.auth_capable = 0;
 
+
+       /* If the peer claims support for ADD-IP without support
+        * for AUTH, disable support for ADD-IP.
+        */
+       if (asoc->peer.addip_capable && !asoc->peer.auth_capable) {
+               asoc->peer.addip_disabled_mask |= (SCTP_PARAM_ADD_IP |
+                                                 SCTP_PARAM_DEL_IP |
+                                                 SCTP_PARAM_SET_PRIMARY);
+       }
+
        /* Walk list of transports, removing transports in the UNKNOWN state. */
        list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
                transport = list_entry(pos, struct sctp_transport, transports);