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-rw-r--r--net/sctp/associola.c4
-rw-r--r--net/sctp/outqueue.c10
-rw-r--r--net/sctp/sm_sideeffect.c1
-rw-r--r--net/sctp/sm_statefuns.c15
-rw-r--r--net/sctp/socket.c102
-rw-r--r--net/sctp/transport.c8
6 files changed, 72 insertions, 68 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 8450960df24..7eed77a39d0 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1485,15 +1485,13 @@ void sctp_assoc_rwnd_decrease(struct sctp_association *asoc, unsigned len)
* local endpoint and the remote peer.
*/
int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc,
- gfp_t gfp)
+ sctp_scope_t scope, gfp_t gfp)
{
- sctp_scope_t scope;
int flags;
/* Use scoping rules to determine the subset of addresses from
* the endpoint.
*/
- scope = sctp_scope(&asoc->peer.active_path->ipaddr);
flags = (PF_INET6 == asoc->base.sk->sk_family) ? SCTP_ADDR6_ALLOWED : 0;
if (asoc->peer.ipv4_address)
flags |= SCTP_ADDR4_PEERSUPP;
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index c9f20e28521..23e5e97aa61 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -423,16 +423,6 @@ void sctp_retransmit_mark(struct sctp_outq *q,
if ((reason == SCTP_RTXR_FAST_RTX &&
(chunk->fast_retransmit == SCTP_NEED_FRTX)) ||
(reason != SCTP_RTXR_FAST_RTX && !chunk->tsn_gap_acked)) {
- /* If this chunk was sent less then 1 rto ago, do not
- * retransmit this chunk, but give the peer time
- * to acknowlege it. Do this only when
- * retransmitting due to T3 timeout.
- */
- if (reason == SCTP_RTXR_T3_RTX &&
- time_before(jiffies, chunk->sent_at +
- transport->last_rto))
- continue;
-
/* RFC 2960 6.2.1 Processing a Received SACK
*
* C) Any time a DATA chunk is marked for
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 8674d491955..efa516b47e8 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -480,7 +480,6 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
* that indicates that we have an outstanding HB.
*/
if (!is_hb || transport->hb_sent) {
- transport->last_rto = transport->rto;
transport->rto = min((transport->rto * 2), transport->asoc->rto_max);
}
}
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index c8fae1983dd..d4df45022ff 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -384,6 +384,11 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
if (!new_asoc)
goto nomem;
+ if (sctp_assoc_set_bind_addr_from_ep(new_asoc,
+ sctp_scope(sctp_source(chunk)),
+ GFP_ATOMIC) < 0)
+ goto nomem_init;
+
/* The call, sctp_process_init(), can fail on memory allocation. */
if (!sctp_process_init(new_asoc, chunk->chunk_hdr->type,
sctp_source(chunk),
@@ -401,9 +406,6 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
len = ntohs(err_chunk->chunk_hdr->length) -
sizeof(sctp_chunkhdr_t);
- if (sctp_assoc_set_bind_addr_from_ep(new_asoc, GFP_ATOMIC) < 0)
- goto nomem_init;
-
repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len);
if (!repl)
goto nomem_init;
@@ -1452,6 +1454,10 @@ static sctp_disposition_t sctp_sf_do_unexpected_init(
if (!new_asoc)
goto nomem;
+ if (sctp_assoc_set_bind_addr_from_ep(new_asoc,
+ sctp_scope(sctp_source(chunk)), GFP_ATOMIC) < 0)
+ goto nomem;
+
/* In the outbound INIT ACK the endpoint MUST copy its current
* Verification Tag and Peers Verification tag into a reserved
* place (local tie-tag and per tie-tag) within the state cookie.
@@ -1488,9 +1494,6 @@ static sctp_disposition_t sctp_sf_do_unexpected_init(
sizeof(sctp_chunkhdr_t);
}
- if (sctp_assoc_set_bind_addr_from_ep(new_asoc, GFP_ATOMIC) < 0)
- goto nomem;
-
repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len);
if (!repl)
goto nomem;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 89af37a6c87..3a95fcb17a9 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1080,6 +1080,13 @@ static int __sctp_connect(struct sock* sk,
err = -ENOMEM;
goto out_free;
}
+
+ err = sctp_assoc_set_bind_addr_from_ep(asoc, scope,
+ GFP_KERNEL);
+ if (err < 0) {
+ goto out_free;
+ }
+
}
/* Prime the peer's transport structures. */
@@ -1095,11 +1102,6 @@ static int __sctp_connect(struct sock* sk,
walk_size += af->sockaddr_len;
}
- err = sctp_assoc_set_bind_addr_from_ep(asoc, GFP_KERNEL);
- if (err < 0) {
- goto out_free;
- }
-
/* In case the user of sctp_connectx() wants an association
* id back, assign one now.
*/
@@ -1274,22 +1276,30 @@ SCTP_STATIC int sctp_setsockopt_connectx(struct sock* sk,
}
/*
- * New (hopefully final) interface for the API. The option buffer is used
- * both for the returned association id and the addresses.
+ * New (hopefully final) interface for the API.
+ * We use the sctp_getaddrs_old structure so that use-space library
+ * can avoid any unnecessary allocations. The only defferent part
+ * is that we store the actual length of the address buffer into the
+ * addrs_num structure member. That way we can re-use the existing
+ * code.
*/
SCTP_STATIC int sctp_getsockopt_connectx3(struct sock* sk, int len,
char __user *optval,
int __user *optlen)
{
+ struct sctp_getaddrs_old param;
sctp_assoc_t assoc_id = 0;
int err = 0;
- if (len < sizeof(assoc_id))
+ if (len < sizeof(param))
return -EINVAL;
+ if (copy_from_user(&param, optval, sizeof(param)))
+ return -EFAULT;
+
err = __sctp_setsockopt_connectx(sk,
- (struct sockaddr __user *)(optval + sizeof(assoc_id)),
- len - sizeof(assoc_id), &assoc_id);
+ (struct sockaddr __user *)param.addrs,
+ param.addr_num, &assoc_id);
if (err == 0 || err == -EINPROGRESS) {
if (copy_to_user(optval, &assoc_id, sizeof(assoc_id)))
@@ -1689,6 +1699,11 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
goto out_unlock;
}
asoc = new_asoc;
+ err = sctp_assoc_set_bind_addr_from_ep(asoc, scope, GFP_KERNEL);
+ if (err < 0) {
+ err = -ENOMEM;
+ goto out_free;
+ }
/* If the SCTP_INIT ancillary data is specified, set all
* the association init values accordingly.
@@ -1718,11 +1733,6 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
err = -ENOMEM;
goto out_free;
}
- err = sctp_assoc_set_bind_addr_from_ep(asoc, GFP_KERNEL);
- if (err < 0) {
- err = -ENOMEM;
- goto out_free;
- }
}
/* ASSERT: we have a valid association at this point. */
@@ -2027,7 +2037,8 @@ out:
* instead a error will be indicated to the user.
*/
static int sctp_setsockopt_disable_fragments(struct sock *sk,
- char __user *optval, int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
int val;
@@ -2043,7 +2054,7 @@ static int sctp_setsockopt_disable_fragments(struct sock *sk,
}
static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
if (optlen > sizeof(struct sctp_event_subscribe))
return -EINVAL;
@@ -2064,7 +2075,7 @@ static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
* association is closed.
*/
static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_sock *sp = sctp_sk(sk);
@@ -2318,7 +2329,8 @@ static int sctp_apply_peer_addr_params(struct sctp_paddrparams *params,
}
static int sctp_setsockopt_peer_addr_params(struct sock *sk,
- char __user *optval, int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_paddrparams params;
struct sctp_transport *trans = NULL;
@@ -2430,7 +2442,7 @@ static int sctp_setsockopt_peer_addr_params(struct sock *sk,
*/
static int sctp_setsockopt_delayed_ack(struct sock *sk,
- char __user *optval, int optlen)
+ char __user *optval, unsigned int optlen)
{
struct sctp_sack_info params;
struct sctp_transport *trans = NULL;
@@ -2546,7 +2558,7 @@ static int sctp_setsockopt_delayed_ack(struct sock *sk,
* by the change). With TCP-style sockets, this option is inherited by
* sockets derived from a listener socket.
*/
-static int sctp_setsockopt_initmsg(struct sock *sk, char __user *optval, int optlen)
+static int sctp_setsockopt_initmsg(struct sock *sk, char __user *optval, unsigned int optlen)
{
struct sctp_initmsg sinit;
struct sctp_sock *sp = sctp_sk(sk);
@@ -2583,7 +2595,8 @@ static int sctp_setsockopt_initmsg(struct sock *sk, char __user *optval, int opt
* to this call if the caller is using the UDP model.
*/
static int sctp_setsockopt_default_send_param(struct sock *sk,
- char __user *optval, int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_sndrcvinfo info;
struct sctp_association *asoc;
@@ -2622,7 +2635,7 @@ static int sctp_setsockopt_default_send_param(struct sock *sk,
* association peer's addresses.
*/
static int sctp_setsockopt_primary_addr(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_prim prim;
struct sctp_transport *trans;
@@ -2651,7 +2664,7 @@ static int sctp_setsockopt_primary_addr(struct sock *sk, char __user *optval,
* integer boolean flag.
*/
static int sctp_setsockopt_nodelay(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
int val;
@@ -2676,7 +2689,8 @@ static int sctp_setsockopt_nodelay(struct sock *sk, char __user *optval,
* be changed.
*
*/
-static int sctp_setsockopt_rtoinfo(struct sock *sk, char __user *optval, int optlen) {
+static int sctp_setsockopt_rtoinfo(struct sock *sk, char __user *optval, unsigned int optlen)
+{
struct sctp_rtoinfo rtoinfo;
struct sctp_association *asoc;
@@ -2728,7 +2742,7 @@ static int sctp_setsockopt_rtoinfo(struct sock *sk, char __user *optval, int opt
* See [SCTP] for more information.
*
*/
-static int sctp_setsockopt_associnfo(struct sock *sk, char __user *optval, int optlen)
+static int sctp_setsockopt_associnfo(struct sock *sk, char __user *optval, unsigned int optlen)
{
struct sctp_assocparams assocparams;
@@ -2800,7 +2814,7 @@ static int sctp_setsockopt_associnfo(struct sock *sk, char __user *optval, int o
* addresses and a user will receive both PF_INET6 and PF_INET type
* addresses on the socket.
*/
-static int sctp_setsockopt_mappedv4(struct sock *sk, char __user *optval, int optlen)
+static int sctp_setsockopt_mappedv4(struct sock *sk, char __user *optval, unsigned int optlen)
{
int val;
struct sctp_sock *sp = sctp_sk(sk);
@@ -2844,7 +2858,7 @@ static int sctp_setsockopt_mappedv4(struct sock *sk, char __user *optval, int op
* changed (effecting future associations only).
* assoc_value: This parameter specifies the maximum size in bytes.
*/
-static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, int optlen)
+static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, unsigned int optlen)
{
struct sctp_assoc_value params;
struct sctp_association *asoc;
@@ -2899,7 +2913,7 @@ static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, int optl
* set primary request:
*/
static int sctp_setsockopt_peer_primary_addr(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_sock *sp;
struct sctp_endpoint *ep;
@@ -2950,7 +2964,7 @@ static int sctp_setsockopt_peer_primary_addr(struct sock *sk, char __user *optva
}
static int sctp_setsockopt_adaptation_layer(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_setadaptation adaptation;
@@ -2979,7 +2993,7 @@ static int sctp_setsockopt_adaptation_layer(struct sock *sk, char __user *optval
* saved with outbound messages.
*/
static int sctp_setsockopt_context(struct sock *sk, char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_assoc_value params;
struct sctp_sock *sp;
@@ -3030,7 +3044,7 @@ static int sctp_setsockopt_context(struct sock *sk, char __user *optval,
*/
static int sctp_setsockopt_fragment_interleave(struct sock *sk,
char __user *optval,
- int optlen)
+ unsigned int optlen)
{
int val;
@@ -3063,7 +3077,7 @@ static int sctp_setsockopt_fragment_interleave(struct sock *sk,
*/
static int sctp_setsockopt_partial_delivery_point(struct sock *sk,
char __user *optval,
- int optlen)
+ unsigned int optlen)
{
u32 val;
@@ -3096,7 +3110,7 @@ static int sctp_setsockopt_partial_delivery_point(struct sock *sk,
*/
static int sctp_setsockopt_maxburst(struct sock *sk,
char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_assoc_value params;
struct sctp_sock *sp;
@@ -3140,8 +3154,8 @@ static int sctp_setsockopt_maxburst(struct sock *sk,
* will only effect future associations on the socket.
*/
static int sctp_setsockopt_auth_chunk(struct sock *sk,
- char __user *optval,
- int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_authchunk val;
@@ -3172,8 +3186,8 @@ static int sctp_setsockopt_auth_chunk(struct sock *sk,
* endpoint requires the peer to use.
*/
static int sctp_setsockopt_hmac_ident(struct sock *sk,
- char __user *optval,
- int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_hmacalgo *hmacs;
u32 idents;
@@ -3215,7 +3229,7 @@ out:
*/
static int sctp_setsockopt_auth_key(struct sock *sk,
char __user *optval,
- int optlen)
+ unsigned int optlen)
{
struct sctp_authkey *authkey;
struct sctp_association *asoc;
@@ -3260,8 +3274,8 @@ out:
* the association shared key.
*/
static int sctp_setsockopt_active_key(struct sock *sk,
- char __user *optval,
- int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_authkeyid val;
struct sctp_association *asoc;
@@ -3288,8 +3302,8 @@ static int sctp_setsockopt_active_key(struct sock *sk,
* This set option will delete a shared secret key from use.
*/
static int sctp_setsockopt_del_key(struct sock *sk,
- char __user *optval,
- int optlen)
+ char __user *optval,
+ unsigned int optlen)
{
struct sctp_authkeyid val;
struct sctp_association *asoc;
@@ -3332,7 +3346,7 @@ static int sctp_setsockopt_del_key(struct sock *sk,
* optlen - the size of the buffer.
*/
SCTP_STATIC int sctp_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int optlen)
+ char __user *optval, unsigned int optlen)
{
int retval = 0;
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index c256e483931..37a1184d789 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -74,7 +74,7 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
* given destination transport address, set RTO to the protocol
* parameter 'RTO.Initial'.
*/
- peer->last_rto = peer->rto = msecs_to_jiffies(sctp_rto_initial);
+ peer->rto = msecs_to_jiffies(sctp_rto_initial);
peer->rtt = 0;
peer->rttvar = 0;
peer->srtt = 0;
@@ -308,7 +308,8 @@ void sctp_transport_route(struct sctp_transport *transport,
/* Initialize sk->sk_rcv_saddr, if the transport is the
* association's active path for getsockname().
*/
- if (asoc && (transport == asoc->peer.active_path))
+ if (asoc && (!asoc->peer.primary_path ||
+ (transport == asoc->peer.active_path)))
opt->pf->af->to_sk_saddr(&transport->saddr,
asoc->base.sk);
} else
@@ -385,7 +386,6 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt)
tp->rto = tp->asoc->rto_max;
tp->rtt = rtt;
- tp->last_rto = tp->rto;
/* Reset rto_pending so that a new RTT measurement is started when a
* new data chunk is sent.
@@ -601,7 +601,7 @@ void sctp_transport_reset(struct sctp_transport *t)
*/
t->cwnd = min(4*asoc->pathmtu, max_t(__u32, 2*asoc->pathmtu, 4380));
t->ssthresh = asoc->peer.i.a_rwnd;
- t->last_rto = t->rto = asoc->rto_initial;
+ t->rto = asoc->rto_initial;
t->rtt = 0;
t->srtt = 0;
t->rttvar = 0;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-21 00:31:24 +0000