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| author | Vlad Yasevich <vladislav.yasevich@hp.com> | 2007-12-20 14:10:00 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 14:59:21 -0800 |
| commit | d6de3097592b7ae7f8e233a4dafb088e2aa8170f (patch) | |
| tree | 67c3bba0cb62fa4cc81d8546b34f12c4756d158b | |
| parent | 42e30bf3463cd37d73839376662cb79b4d5c416c (diff) | |
| download | linux-d6de3097592b7ae7f8e233a4dafb088e2aa8170f.tar.bz2 | |
[SCTP]: Add the handling of "Set Primary IP Address" parameter to INIT
The ADD-IP "Set Primary IP Address" parameter is allowed in the
INIT/INIT-ACK exchange. Allow processing of this parameter during
the INIT/INIT-ACK.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/sctp/structs.h | 1 | ||||
| -rw-r--r-- | net/sctp/sm_make_chunk.c | 27 |
2 files changed, 28 insertions, 0 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 96621db22466..8a0808eab811 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -451,6 +451,7 @@ union sctp_params { struct sctp_random_param *random; struct sctp_chunks_param *chunks; struct sctp_hmac_algo_param *hmac_algo; + struct sctp_addip_param *addip; }; /* RFC 2960. Section 3.3.5 Heartbeat. diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 64790b53323b..8138bbd93210 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -1969,6 +1969,11 @@ static sctp_ierror_t sctp_verify_param(const struct sctp_association *asoc, case SCTP_PARAM_SUPPORTED_EXT: break; + case SCTP_PARAM_SET_PRIMARY: + if (sctp_addip_enable) + break; + goto fallthrough; + case SCTP_PARAM_HOST_NAME_ADDRESS: /* Tell the peer, we won't support this param. */ sctp_process_hn_param(asoc, param, chunk, err_chunk); @@ -2286,6 +2291,8 @@ static int sctp_process_param(struct sctp_association *asoc, sctp_scope_t scope; time_t stale; struct sctp_af *af; + union sctp_addr_param *addr_param; + struct sctp_transport *t; /* We maintain all INIT parameters in network byte order all the * time. This allows us to not worry about whether the parameters @@ -2376,6 +2383,26 @@ static int sctp_process_param(struct sctp_association *asoc, asoc->peer.adaptation_ind = param.aind->adaptation_ind; break; + case SCTP_PARAM_SET_PRIMARY: + addr_param = param.v + sizeof(sctp_addip_param_t); + + af = sctp_get_af_specific(param_type2af(param.p->type)); + af->from_addr_param(&addr, addr_param, + htons(asoc->peer.port), 0); + + /* if the address is invalid, we can't process it. + * XXX: see spec for what to do. + */ + if (!af->addr_valid(&addr, NULL, NULL)) + break; + + t = sctp_assoc_lookup_paddr(asoc, &addr); + if (!t) + break; + + sctp_assoc_set_primary(asoc, t); + break; + case SCTP_PARAM_SUPPORTED_EXT: sctp_process_ext_param(asoc, param); break; |