diff options
author | David S. Miller <davem@davemloft.net> | 2011-05-06 16:32:47 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2011-05-08 14:05:14 -0700 |
commit | 8663c938ceb72f47941c95ff0ea491ebbdd68f26 (patch) | |
tree | f87bf63fb7f8ca29e01083e742c0530c25a9feb9 | |
parent | b57ae01a8a8446dbbed7365c9b05aef1fc6dea20 (diff) | |
download | linux-8663c938ceb72f47941c95ff0ea491ebbdd68f26.tar.bz2 |
sctp: Store a flowi in transports to provide persistent keying.
Several future simplifications are possible now because of this.
For example, the sctp_addr unions can simply refer directly to
the flowi information.
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | include/net/sctp/structs.h | 1 | ||||
-rw-r--r-- | net/sctp/transport.c | 9 |
2 files changed, 4 insertions, 6 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index ff3e8cce7d66..795f4886e111 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -894,6 +894,7 @@ struct sctp_transport { /* Is this structure kfree()able? */ malloced:1; + struct flowi fl; /* This is the peer's IP address and port. */ union sctp_addr ipaddr; diff --git a/net/sctp/transport.c b/net/sctp/transport.c index d8595dd1a8a7..394c57ca2f54 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -213,13 +213,11 @@ void sctp_transport_set_owner(struct sctp_transport *transport, /* Initialize the pmtu of a transport. */ void sctp_transport_pmtu(struct sctp_transport *transport, struct sock *sk) { - struct flowi fl; - /* If we don't have a fresh route, look one up */ if (!transport->dst || transport->dst->obsolete > 1) { dst_release(transport->dst); transport->af_specific->get_dst(transport, &transport->saddr, - &fl, sk); + &transport->fl, sk); } if (transport->dst) { @@ -274,14 +272,13 @@ void sctp_transport_route(struct sctp_transport *transport, { struct sctp_association *asoc = transport->asoc; struct sctp_af *af = transport->af_specific; - struct flowi fl; - af->get_dst(transport, saddr, &fl, sctp_opt2sk(opt)); + af->get_dst(transport, saddr, &transport->fl, sctp_opt2sk(opt)); if (saddr) memcpy(&transport->saddr, saddr, sizeof(union sctp_addr)); else - af->get_saddr(opt, transport, &fl); + af->get_saddr(opt, transport, &transport->fl); if ((transport->param_flags & SPP_PMTUD_DISABLE) && transport->pathmtu) { return; |