On Fri, Jul 24, 2015 at 02:56:29PM +0800, Xin Long wrote: > RFC 5061: > This is an opaque integer assigned by the sender to identify each > request parameter. The receiver of the ASCONF Chunk will copy this > 32-bit value into the ASCONF Response Correlation ID field of the > ASCONF-ACK response parameter. The sender of the ASCONF can use this > same value in the ASCONF-ACK to find which request the response is > for. Note that the receiver MUST NOT change this 32-bit value. > > Address Parameter: TLV > > This field contains an IPv4 or IPv6 address parameter, as described > in Section 3.3.2.1 of [RFC4960]. > > ASCONF chunk with Error Cause Indication Parameter (Unresolvable Address) > should be sent if the Delete IP Address is not part of the association. > > Endpoint A Endpoint B > (ESTABLISHED) (ESTABLISHED) > > ASCONF -----------------> > (Delete IP Address) > <----------------- ASCONF-ACK > (Unresolvable Address) > > Signed-off-by: Xin Long <lucien....@gmail.com> > --- > net/sctp/sm_make_chunk.c | 12 +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) > > diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c > index 06320c8..88d82ef 100644 > --- a/net/sctp/sm_make_chunk.c > +++ b/net/sctp/sm_make_chunk.c > @@ -3090,8 +3090,18 @@ static __be16 sctp_process_asconf_param(struct > sctp_association *asoc,
Please let's avoid increasing the indentation level when possible > sctp_assoc_set_primary(asoc, asconf->transport); > sctp_assoc_del_nonprimary_peers(asoc, > asconf->transport); add a return here > - } else > + } else { and remove this else {} and we're good. sctp code is often too indented, trying to reduce that bit here and there. > + /* If the address is not part of the association, the > + * ASCONF-ACK with Error Cause Indication Parameter > + * which including cause of Unresolvable Address should > + * be sent. > + */ > + peer = sctp_assoc_lookup_paddr(asoc, &addr); > + if (!peer) > + return SCTP_ERROR_DNS_FAILED; > + > sctp_assoc_del_peer(asoc, &addr); Here we can replace this call to sctp_assoc_rm_peer() , because if we already have peer, we don't have to search for it again. Thanks, Marcelo > + } > break; > case SCTP_PARAM_SET_PRIMARY: > /* ADDIP Section 4.2.4 > -- > 2.1.0 > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html