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Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/input.c2
-rw-r--r--net/sctp/ipv6.c40
-rw-r--r--net/sctp/protocol.c2
-rw-r--r--net/sctp/sm_make_chunk.c4
-rw-r--r--net/sctp/sm_sideeffect.c8
-rw-r--r--net/sctp/socket.c6
-rw-r--r--net/sctp/transport.c16
7 files changed, 50 insertions, 28 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c
index b7692aab6e9c..80f71af71384 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -105,7 +105,7 @@ static inline int sctp_rcv_checksum(struct sk_buff *skb)
 struct sctp_input_cb {
 	union {
 		struct inet_skb_parm	h4;
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 		struct inet6_skb_parm	h6;
 #endif
 	} header;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 810427833bcd..91f479121c55 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -107,7 +107,7 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
 		if (addr) {
 			addr->a.v6.sin6_family = AF_INET6;
 			addr->a.v6.sin6_port = 0;
-			ipv6_addr_copy(&addr->a.v6.sin6_addr, &ifa->addr);
+			addr->a.v6.sin6_addr = ifa->addr;
 			addr->a.v6.sin6_scope_id = ifa->idev->dev->ifindex;
 			addr->valid = 1;
 			spin_lock_bh(&sctp_local_addr_lock);
@@ -219,8 +219,8 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport)
 	/* Fill in the dest address from the route entry passed with the skb
 	 * and the source address from the transport.
 	 */
-	ipv6_addr_copy(&fl6.daddr, &transport->ipaddr.v6.sin6_addr);
-	ipv6_addr_copy(&fl6.saddr, &transport->saddr.v6.sin6_addr);
+	fl6.daddr = transport->ipaddr.v6.sin6_addr;
+	fl6.saddr = transport->saddr.v6.sin6_addr;
 
 	fl6.flowlabel = np->flow_label;
 	IP6_ECN_flow_xmit(sk, fl6.flowlabel);
@@ -231,7 +231,7 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport)
 
 	if (np->opt && np->opt->srcrt) {
 		struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt;
-		ipv6_addr_copy(&fl6.daddr, rt0->addr);
+		fl6.daddr = *rt0->addr;
 	}
 
 	SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, src:%pI6 dst:%pI6\n",
@@ -265,7 +265,7 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
 	sctp_scope_t scope;
 
 	memset(fl6, 0, sizeof(struct flowi6));
-	ipv6_addr_copy(&fl6->daddr, &daddr->v6.sin6_addr);
+	fl6->daddr = daddr->v6.sin6_addr;
 	fl6->fl6_dport = daddr->v6.sin6_port;
 	fl6->flowi6_proto = IPPROTO_SCTP;
 	if (ipv6_addr_type(&daddr->v6.sin6_addr) & IPV6_ADDR_LINKLOCAL)
@@ -277,7 +277,7 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
 		fl6->fl6_sport = htons(asoc->base.bind_addr.port);
 
 	if (saddr) {
-		ipv6_addr_copy(&fl6->saddr, &saddr->v6.sin6_addr);
+		fl6->saddr = saddr->v6.sin6_addr;
 		fl6->fl6_sport = saddr->v6.sin6_port;
 		SCTP_DEBUG_PRINTK("SRC=%pI6 - ", &fl6->saddr);
 	}
@@ -334,7 +334,7 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
 	}
 	rcu_read_unlock();
 	if (baddr) {
-		ipv6_addr_copy(&fl6->saddr, &baddr->v6.sin6_addr);
+		fl6->saddr = baddr->v6.sin6_addr;
 		fl6->fl6_sport = baddr->v6.sin6_port;
 		dst = ip6_dst_lookup_flow(sk, fl6, NULL, false);
 	}
@@ -375,7 +375,7 @@ static void sctp_v6_get_saddr(struct sctp_sock *sk,
 
 	if (t->dst) {
 		saddr->v6.sin6_family = AF_INET6;
-		ipv6_addr_copy(&saddr->v6.sin6_addr, &fl6->saddr);
+		saddr->v6.sin6_addr = fl6->saddr;
 	}
 }
 
@@ -400,7 +400,7 @@ static void sctp_v6_copy_addrlist(struct list_head *addrlist,
 		if (addr) {
 			addr->a.v6.sin6_family = AF_INET6;
 			addr->a.v6.sin6_port = 0;
-			ipv6_addr_copy(&addr->a.v6.sin6_addr, &ifp->addr);
+			addr->a.v6.sin6_addr = ifp->addr;
 			addr->a.v6.sin6_scope_id = dev->ifindex;
 			addr->valid = 1;
 			INIT_LIST_HEAD(&addr->list);
@@ -416,7 +416,6 @@ static void sctp_v6_copy_addrlist(struct list_head *addrlist,
 static void sctp_v6_from_skb(union sctp_addr *addr,struct sk_buff *skb,
 			     int is_saddr)
 {
-	void *from;
 	__be16 *port;
 	struct sctphdr *sh;
 
@@ -428,12 +427,11 @@ static void sctp_v6_from_skb(union sctp_addr *addr,struct sk_buff *skb,
 	sh = sctp_hdr(skb);
 	if (is_saddr) {
 		*port  = sh->source;
-		from = &ipv6_hdr(skb)->saddr;
+		addr->v6.sin6_addr = ipv6_hdr(skb)->saddr;
 	} else {
 		*port = sh->dest;
-		from = &ipv6_hdr(skb)->daddr;
+		addr->v6.sin6_addr = ipv6_hdr(skb)->daddr;
 	}
-	ipv6_addr_copy(&addr->v6.sin6_addr, from);
 }
 
 /* Initialize an sctp_addr from a socket. */
@@ -441,7 +439,7 @@ static void sctp_v6_from_sk(union sctp_addr *addr, struct sock *sk)
 {
 	addr->v6.sin6_family = AF_INET6;
 	addr->v6.sin6_port = 0;
-	ipv6_addr_copy(&addr->v6.sin6_addr, &inet6_sk(sk)->rcv_saddr);
+	addr->v6.sin6_addr = inet6_sk(sk)->rcv_saddr;
 }
 
 /* Initialize sk->sk_rcv_saddr from sctp_addr. */
@@ -454,7 +452,7 @@ static void sctp_v6_to_sk_saddr(union sctp_addr *addr, struct sock *sk)
 		inet6_sk(sk)->rcv_saddr.s6_addr32[3] =
 			addr->v4.sin_addr.s_addr;
 	} else {
-		ipv6_addr_copy(&inet6_sk(sk)->rcv_saddr, &addr->v6.sin6_addr);
+		inet6_sk(sk)->rcv_saddr = addr->v6.sin6_addr;
 	}
 }
 
@@ -467,7 +465,7 @@ static void sctp_v6_to_sk_daddr(union sctp_addr *addr, struct sock *sk)
 		inet6_sk(sk)->daddr.s6_addr32[2] = htonl(0x0000ffff);
 		inet6_sk(sk)->daddr.s6_addr32[3] = addr->v4.sin_addr.s_addr;
 	} else {
-		ipv6_addr_copy(&inet6_sk(sk)->daddr, &addr->v6.sin6_addr);
+		inet6_sk(sk)->daddr = addr->v6.sin6_addr;
 	}
 }
 
@@ -479,7 +477,7 @@ static void sctp_v6_from_addr_param(union sctp_addr *addr,
 	addr->v6.sin6_family = AF_INET6;
 	addr->v6.sin6_port = port;
 	addr->v6.sin6_flowinfo = 0; /* BUG */
-	ipv6_addr_copy(&addr->v6.sin6_addr, &param->v6.addr);
+	addr->v6.sin6_addr = param->v6.addr;
 	addr->v6.sin6_scope_id = iif;
 }
 
@@ -493,7 +491,7 @@ static int sctp_v6_to_addr_param(const union sctp_addr *addr,
 
 	param->v6.param_hdr.type = SCTP_PARAM_IPV6_ADDRESS;
 	param->v6.param_hdr.length = htons(length);
-	ipv6_addr_copy(&param->v6.addr, &addr->v6.sin6_addr);
+	param->v6.addr = addr->v6.sin6_addr;
 
 	return length;
 }
@@ -504,7 +502,7 @@ static void sctp_v6_to_addr(union sctp_addr *addr, struct in6_addr *saddr,
 {
 	addr->sa.sa_family = AF_INET6;
 	addr->v6.sin6_port = port;
-	ipv6_addr_copy(&addr->v6.sin6_addr, saddr);
+	addr->v6.sin6_addr = *saddr;
 }
 
 /* Compare addresses exactly.
@@ -759,7 +757,7 @@ static void sctp_inet6_event_msgname(struct sctp_ulpevent *event,
 		}
 
 		sin6from = &asoc->peer.primary_addr.v6;
-		ipv6_addr_copy(&sin6->sin6_addr, &sin6from->sin6_addr);
+		sin6->sin6_addr = sin6from->sin6_addr;
 		if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL)
 			sin6->sin6_scope_id = sin6from->sin6_scope_id;
 	}
@@ -787,7 +785,7 @@ static void sctp_inet6_skb_msgname(struct sk_buff *skb, char *msgname,
 		}
 
 		/* Otherwise, just copy the v6 address. */
-		ipv6_addr_copy(&sin6->sin6_addr, &ipv6_hdr(skb)->saddr);
+		sin6->sin6_addr = ipv6_hdr(skb)->saddr;
 		if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL) {
 			struct sctp_ulpevent *ev = sctp_skb2event(skb);
 			sin6->sin6_scope_id = ev->iif;
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 6f6ad8686833..5942d27b1444 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -637,7 +637,7 @@ void sctp_addr_wq_timeout_handler(unsigned long arg)
 		    " for cmd %d at entry %p\n", &sctp_addr_waitq, &addrw->a, addrw->state,
 		    addrw);
 
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 		/* Now we send an ASCONF for each association */
 		/* Note. we currently don't handle link local IPv6 addressees */
 		if (addrw->a.sa.sa_family == AF_INET6) {
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 0121e0ab0351..a85eeeb55dd0 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -3400,8 +3400,10 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
 		asconf_len -= length;
 	}
 
-	if (no_err && asoc->src_out_of_asoc_ok)
+	if (no_err && asoc->src_out_of_asoc_ok) {
 		asoc->src_out_of_asoc_ok = 0;
+		sctp_transport_immediate_rtx(asoc->peer.primary_path);
+	}
 
 	/* Free the cached last sent asconf chunk. */
 	list_del_init(&asconf->transmitted_list);
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 76388b083f28..1ff51c9d18d5 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -666,6 +666,7 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
 				  struct sctp_chunk *chunk)
 {
 	sctp_sender_hb_info_t *hbinfo;
+	int was_unconfirmed = 0;
 
 	/* 8.3 Upon the receipt of the HEARTBEAT ACK, the sender of the
 	 * HEARTBEAT should clear the error counter of the destination
@@ -692,9 +693,11 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
 	/* Mark the destination transport address as active if it is not so
 	 * marked.
 	 */
-	if ((t->state == SCTP_INACTIVE) || (t->state == SCTP_UNCONFIRMED))
+	if ((t->state == SCTP_INACTIVE) || (t->state == SCTP_UNCONFIRMED)) {
+		was_unconfirmed = 1;
 		sctp_assoc_control_transport(asoc, t, SCTP_TRANSPORT_UP,
 					     SCTP_HEARTBEAT_SUCCESS);
+	}
 
 	/* The receiver of the HEARTBEAT ACK should also perform an
 	 * RTT measurement for that destination transport address
@@ -712,6 +715,9 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
 	/* Update the heartbeat timer.  */
 	if (!mod_timer(&t->hb_timer, sctp_transport_timeout(t)))
 		sctp_transport_hold(t);
+
+	if (was_unconfirmed && asoc->peer.transport_count == 1)
+		sctp_transport_immediate_rtx(t);
 }
 
 
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 54a7cd2fdd7a..408ebd0e7330 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -804,7 +804,7 @@ static int sctp_send_asconf_del_ip(struct sock		*sk,
 				struct sockaddr_in6 *sin6;
 
 				sin6 = (struct sockaddr_in6 *)addrs;
-				ipv6_addr_copy(&asoc->asconf_addr_del_pending->v6.sin6_addr, &sin6->sin6_addr);
+				asoc->asconf_addr_del_pending->v6.sin6_addr = sin6->sin6_addr;
 			}
 			SCTP_DEBUG_PRINTK_IPADDR("send_asconf_del_ip: keep the last address asoc: %p ",
 			    " at %p\n", asoc, asoc->asconf_addr_del_pending,
@@ -6839,7 +6839,7 @@ struct proto sctp_prot = {
 	.sockets_allocated = &sctp_sockets_allocated,
 };
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 
 struct proto sctpv6_prot = {
 	.name		= "SCTPv6",
@@ -6870,4 +6870,4 @@ struct proto sctpv6_prot = {
 	.memory_allocated = &sctp_memory_allocated,
 	.sockets_allocated = &sctp_sockets_allocated,
 };
-#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
+#endif /* IS_ENABLED(CONFIG_IPV6) */
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 394c57ca2f54..3889330b7b04 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -641,3 +641,19 @@ void sctp_transport_reset(struct sctp_transport *t)
 	t->cacc.next_tsn_at_change = 0;
 	t->cacc.cacc_saw_newack = 0;
 }
+
+/* Schedule retransmission on the given transport */
+void sctp_transport_immediate_rtx(struct sctp_transport *t)
+{
+	/* Stop pending T3_rtx_timer */
+	if (timer_pending(&t->T3_rtx_timer)) {
+		(void)del_timer(&t->T3_rtx_timer);
+		sctp_transport_put(t);
+	}
+	sctp_retransmit(&t->asoc->outqueue, t, SCTP_RTXR_T3_RTX);
+	if (!timer_pending(&t->T3_rtx_timer)) {
+		if (!mod_timer(&t->T3_rtx_timer, jiffies + t->rto))
+			sctp_transport_hold(t);
+	}
+	return;
+}
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-09-23 04:32:00 +0000