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-rw-r--r--net/sctp/Kconfig4
-rw-r--r--net/sctp/associola.c15
-rw-r--r--net/sctp/chunk.c6
-rw-r--r--net/sctp/input.c1
-rw-r--r--net/sctp/ipv6.c20
-rw-r--r--net/sctp/outqueue.c11
-rw-r--r--net/sctp/protocol.c16
-rw-r--r--net/sctp/sm_sideeffect.c1
-rw-r--r--net/sctp/socket.c249
-rw-r--r--net/sctp/stream.c153
-rw-r--r--net/sctp/stream_interleave.c20
-rw-r--r--net/sctp/stream_sched.c13
-rw-r--r--net/sctp/stream_sched_prio.c22
-rw-r--r--net/sctp/stream_sched_rr.c8
14 files changed, 424 insertions, 115 deletions
diff --git a/net/sctp/Kconfig b/net/sctp/Kconfig
index c740b189d4ba..950ecf6e7439 100644
--- a/net/sctp/Kconfig
+++ b/net/sctp/Kconfig
@@ -41,8 +41,8 @@ config SCTP_DBG_OBJCNT
bool "SCTP: Debug object counts"
depends on PROC_FS
help
- If you say Y, this will enable debugging support for counting the
- type of objects that are currently allocated. This is useful for
+ If you say Y, this will enable debugging support for counting the
+ type of objects that are currently allocated. This is useful for
identifying memory leaks. This debug information can be viewed by
'cat /proc/net/sctp/sctp_dbg_objcnt'
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 5d5a16204d50..297d9cf960b9 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -115,6 +115,9 @@ static struct sctp_association *sctp_association_init(
/* Initialize path max retrans value. */
asoc->pathmaxrxt = sp->pathmaxrxt;
+ asoc->flowlabel = sp->flowlabel;
+ asoc->dscp = sp->dscp;
+
/* Initialize default path MTU. */
asoc->pathmtu = sp->pathmtu;
@@ -647,6 +650,18 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
peer->sackdelay = asoc->sackdelay;
peer->sackfreq = asoc->sackfreq;
+ if (addr->sa.sa_family == AF_INET6) {
+ __be32 info = addr->v6.sin6_flowinfo;
+
+ if (info) {
+ peer->flowlabel = ntohl(info & IPV6_FLOWLABEL_MASK);
+ peer->flowlabel |= SCTP_FLOWLABEL_SET_MASK;
+ } else {
+ peer->flowlabel = asoc->flowlabel;
+ }
+ }
+ peer->dscp = asoc->dscp;
+
/* Enable/disable heartbeat, SACK delay, and path MTU discovery
* based on association setting.
*/
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index bfb9f812e2ef..ce8087846f05 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -325,7 +325,8 @@ int sctp_chunk_abandoned(struct sctp_chunk *chunk)
if (SCTP_PR_TTL_ENABLED(chunk->sinfo.sinfo_flags) &&
time_after(jiffies, chunk->msg->expires_at)) {
struct sctp_stream_out *streamout =
- &chunk->asoc->stream.out[chunk->sinfo.sinfo_stream];
+ SCTP_SO(&chunk->asoc->stream,
+ chunk->sinfo.sinfo_stream);
if (chunk->sent_count) {
chunk->asoc->abandoned_sent[SCTP_PR_INDEX(TTL)]++;
@@ -339,7 +340,8 @@ int sctp_chunk_abandoned(struct sctp_chunk *chunk)
} else if (SCTP_PR_RTX_ENABLED(chunk->sinfo.sinfo_flags) &&
chunk->sent_count > chunk->sinfo.sinfo_timetolive) {
struct sctp_stream_out *streamout =
- &chunk->asoc->stream.out[chunk->sinfo.sinfo_stream];
+ SCTP_SO(&chunk->asoc->stream,
+ chunk->sinfo.sinfo_stream);
chunk->asoc->abandoned_sent[SCTP_PR_INDEX(RTX)]++;
streamout->ext->abandoned_sent[SCTP_PR_INDEX(RTX)]++;
diff --git a/net/sctp/input.c b/net/sctp/input.c
index ba8a6e6c36fa..9bbc5f92c941 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -56,6 +56,7 @@
#include <net/sctp/sm.h>
#include <net/sctp/checksum.h>
#include <net/net_namespace.h>
+#include <linux/rhashtable.h>
/* Forward declarations for internal helpers. */
static int sctp_rcv_ootb(struct sk_buff *);
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 0cd2e764f47f..fc6c5e4bffa5 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -209,12 +209,17 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport)
struct sock *sk = skb->sk;
struct ipv6_pinfo *np = inet6_sk(sk);
struct flowi6 *fl6 = &transport->fl.u.ip6;
+ __u8 tclass = np->tclass;
int res;
pr_debug("%s: skb:%p, len:%d, src:%pI6 dst:%pI6\n", __func__, skb,
skb->len, &fl6->saddr, &fl6->daddr);
- IP6_ECN_flow_xmit(sk, fl6->flowlabel);
+ if (transport->dscp & SCTP_DSCP_SET_MASK)
+ tclass = transport->dscp & SCTP_DSCP_VAL_MASK;
+
+ if (INET_ECN_is_capable(tclass))
+ IP6_ECN_flow_xmit(sk, fl6->flowlabel);
if (!(transport->param_flags & SPP_PMTUD_ENABLE))
skb->ignore_df = 1;
@@ -223,7 +228,7 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport)
rcu_read_lock();
res = ip6_xmit(sk, skb, fl6, sk->sk_mark, rcu_dereference(np->opt),
- np->tclass);
+ tclass);
rcu_read_unlock();
return res;
}
@@ -254,6 +259,17 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
fl6->flowi6_oif = daddr->v6.sin6_scope_id;
else if (asoc)
fl6->flowi6_oif = asoc->base.sk->sk_bound_dev_if;
+ if (t->flowlabel & SCTP_FLOWLABEL_SET_MASK)
+ fl6->flowlabel = htonl(t->flowlabel & SCTP_FLOWLABEL_VAL_MASK);
+
+ if (np->sndflow && (fl6->flowlabel & IPV6_FLOWLABEL_MASK)) {
+ struct ip6_flowlabel *flowlabel;
+
+ flowlabel = fl6_sock_lookup(sk, fl6->flowlabel);
+ if (!flowlabel)
+ goto out;
+ fl6_sock_release(flowlabel);
+ }
pr_debug("%s: dst=%pI6 ", __func__, &fl6->daddr);
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index d68aa33485a9..d74d00b29942 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -80,7 +80,7 @@ static inline void sctp_outq_head_data(struct sctp_outq *q,
q->out_qlen += ch->skb->len;
stream = sctp_chunk_stream_no(ch);
- oute = q->asoc->stream.out[stream].ext;
+ oute = SCTP_SO(&q->asoc->stream, stream)->ext;
list_add(&ch->stream_list, &oute->outq);
}
@@ -101,7 +101,7 @@ static inline void sctp_outq_tail_data(struct sctp_outq *q,
q->out_qlen += ch->skb->len;
stream = sctp_chunk_stream_no(ch);
- oute = q->asoc->stream.out[stream].ext;
+ oute = SCTP_SO(&q->asoc->stream, stream)->ext;
list_add_tail(&ch->stream_list, &oute->outq);
}
@@ -372,7 +372,7 @@ static int sctp_prsctp_prune_sent(struct sctp_association *asoc,
sctp_insert_list(&asoc->outqueue.abandoned,
&chk->transmitted_list);
- streamout = &asoc->stream.out[chk->sinfo.sinfo_stream];
+ streamout = SCTP_SO(&asoc->stream, chk->sinfo.sinfo_stream);
asoc->sent_cnt_removable--;
asoc->abandoned_sent[SCTP_PR_INDEX(PRIO)]++;
streamout->ext->abandoned_sent[SCTP_PR_INDEX(PRIO)]++;
@@ -416,7 +416,7 @@ static int sctp_prsctp_prune_unsent(struct sctp_association *asoc,
asoc->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++;
if (chk->sinfo.sinfo_stream < asoc->stream.outcnt) {
struct sctp_stream_out *streamout =
- &asoc->stream.out[chk->sinfo.sinfo_stream];
+ SCTP_SO(&asoc->stream, chk->sinfo.sinfo_stream);
streamout->ext->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++;
}
@@ -1082,6 +1082,7 @@ static void sctp_outq_flush_data(struct sctp_flush_ctx *ctx,
/* Finally, transmit new packets. */
while ((chunk = sctp_outq_dequeue_data(ctx->q)) != NULL) {
__u32 sid = ntohs(chunk->subh.data_hdr->stream);
+ __u8 stream_state = SCTP_SO(&ctx->asoc->stream, sid)->state;
/* Has this chunk expired? */
if (sctp_chunk_abandoned(chunk)) {
@@ -1091,7 +1092,7 @@ static void sctp_outq_flush_data(struct sctp_flush_ctx *ctx,
continue;
}
- if (ctx->asoc->stream.out[sid].state == SCTP_STREAM_CLOSED) {
+ if (stream_state == SCTP_STREAM_CLOSED) {
sctp_outq_head_data(ctx->q, chunk);
break;
}
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 67f73d3a1356..e948db29ab53 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -426,13 +426,16 @@ static void sctp_v4_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
struct dst_entry *dst = NULL;
union sctp_addr *daddr = &t->ipaddr;
union sctp_addr dst_saddr;
+ __u8 tos = inet_sk(sk)->tos;
+ if (t->dscp & SCTP_DSCP_SET_MASK)
+ tos = t->dscp & SCTP_DSCP_VAL_MASK;
memset(fl4, 0x0, sizeof(struct flowi4));
fl4->daddr = daddr->v4.sin_addr.s_addr;
fl4->fl4_dport = daddr->v4.sin_port;
fl4->flowi4_proto = IPPROTO_SCTP;
if (asoc) {
- fl4->flowi4_tos = RT_CONN_FLAGS(asoc->base.sk);
+ fl4->flowi4_tos = RT_CONN_FLAGS_TOS(asoc->base.sk, tos);
fl4->flowi4_oif = asoc->base.sk->sk_bound_dev_if;
fl4->fl4_sport = htons(asoc->base.bind_addr.port);
}
@@ -495,7 +498,7 @@ static void sctp_v4_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
fl4->fl4_sport = laddr->a.v4.sin_port;
flowi4_update_output(fl4,
asoc->base.sk->sk_bound_dev_if,
- RT_CONN_FLAGS(asoc->base.sk),
+ RT_CONN_FLAGS_TOS(asoc->base.sk, tos),
daddr->v4.sin_addr.s_addr,
laddr->a.v4.sin_addr.s_addr);
@@ -971,16 +974,21 @@ static inline int sctp_v4_xmit(struct sk_buff *skb,
struct sctp_transport *transport)
{
struct inet_sock *inet = inet_sk(skb->sk);
+ __u8 dscp = inet->tos;
pr_debug("%s: skb:%p, len:%d, src:%pI4, dst:%pI4\n", __func__, skb,
- skb->len, &transport->fl.u.ip4.saddr, &transport->fl.u.ip4.daddr);
+ skb->len, &transport->fl.u.ip4.saddr,
+ &transport->fl.u.ip4.daddr);
+
+ if (transport->dscp & SCTP_DSCP_SET_MASK)
+ dscp = transport->dscp & SCTP_DSCP_VAL_MASK;
inet->pmtudisc = transport->param_flags & SPP_PMTUD_ENABLE ?
IP_PMTUDISC_DO : IP_PMTUDISC_DONT;
SCTP_INC_STATS(sock_net(&inet->sk), SCTP_MIB_OUTSCTPPACKS);
- return ip_queue_xmit(&inet->sk, skb, &transport->fl);
+ return __ip_queue_xmit(&inet->sk, skb, &transport->fl, dscp);
}
static struct sctp_af sctp_af_inet;
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 298112ca8c06..85d393090238 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -1827,4 +1827,3 @@ nomem:
error = -ENOMEM;
goto out;
}
-
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index ce620e878538..e96b15a66aba 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -66,6 +66,7 @@
#include <linux/slab.h>
#include <linux/file.h>
#include <linux/compat.h>
+#include <linux/rhashtable.h>
#include <net/ip.h>
#include <net/icmp.h>
@@ -1696,6 +1697,7 @@ static int sctp_sendmsg_new_asoc(struct sock *sk, __u16 sflags,
struct sctp_association *asoc;
enum sctp_scope scope;
struct cmsghdr *cmsg;
+ __be32 flowinfo = 0;
struct sctp_af *af;
int err;
@@ -1780,6 +1782,9 @@ static int sctp_sendmsg_new_asoc(struct sock *sk, __u16 sflags,
if (!cmsgs->addrs_msg)
return 0;
+ if (daddr->sa.sa_family == AF_INET6)
+ flowinfo = daddr->v6.sin6_flowinfo;
+
/* sendv addr list parse */
for_each_cmsghdr(cmsg, cmsgs->addrs_msg) {
struct sctp_transport *transport;
@@ -1812,6 +1817,7 @@ static int sctp_sendmsg_new_asoc(struct sock *sk, __u16 sflags,
}
dlen = sizeof(struct in6_addr);
+ daddr->v6.sin6_flowinfo = flowinfo;
daddr->v6.sin6_family = AF_INET6;
daddr->v6.sin6_port = htons(asoc->peer.port);
memcpy(&daddr->v6.sin6_addr, CMSG_DATA(cmsg), dlen);
@@ -1905,7 +1911,7 @@ static int sctp_sendmsg_to_asoc(struct sctp_association *asoc,
goto err;
}
- if (unlikely(!asoc->stream.out[sinfo->sinfo_stream].ext)) {
+ if (unlikely(!SCTP_SO(&asoc->stream, sinfo->sinfo_stream)->ext)) {
err = sctp_stream_init_ext(&asoc->stream, sinfo->sinfo_stream);
if (err)
goto err;
@@ -2392,6 +2398,8 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
* uint32_t spp_pathmtu;
* uint32_t spp_sackdelay;
* uint32_t spp_flags;
+ * uint32_t spp_ipv6_flowlabel;
+ * uint8_t spp_dscp;
* };
*
* spp_assoc_id - (one-to-many style socket) This is filled in the
@@ -2471,6 +2479,45 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
* also that this field is mutually exclusive to
* SPP_SACKDELAY_ENABLE, setting both will have undefined
* results.
+ *
+ * SPP_IPV6_FLOWLABEL: Setting this flag enables the
+ * setting of the IPV6 flow label value. The value is
+ * contained in the spp_ipv6_flowlabel field.
+ * Upon retrieval, this flag will be set to indicate that
+ * the spp_ipv6_flowlabel field has a valid value returned.
+ * If a specific destination address is set (in the
+ * spp_address field), then the value returned is that of
+ * the address. If just an association is specified (and
+ * no address), then the association's default flow label
+ * is returned. If neither an association nor a destination
+ * is specified, then the socket's default flow label is
+ * returned. For non-IPv6 sockets, this flag will be left
+ * cleared.
+ *
+ * SPP_DSCP: Setting this flag enables the setting of the
+ * Differentiated Services Code Point (DSCP) value
+ * associated with either the association or a specific
+ * address. The value is obtained in the spp_dscp field.
+ * Upon retrieval, this flag will be set to indicate that
+ * the spp_dscp field has a valid value returned. If a
+ * specific destination address is set when called (in the
+ * spp_address field), then that specific destination
+ * address's DSCP value is returned. If just an association
+ * is specified, then the association's default DSCP is
+ * returned. If neither an association nor a destination is
+ * specified, then the socket's default DSCP is returned.
+ *
+ * spp_ipv6_flowlabel
+ * - This field is used in conjunction with the
+ * SPP_IPV6_FLOWLABEL flag and contains the IPv6 flow label.
+ * The 20 least significant bits are used for the flow
+ * label. This setting has precedence over any IPv6-layer
+ * setting.
+ *
+ * spp_dscp - This field is used in conjunction with the SPP_DSCP flag
+ * and contains the DSCP. The 6 most significant bits are
+ * used for the DSCP. This setting has precedence over any
+ * IPv4- or IPv6- layer setting.
*/
static int sctp_apply_peer_addr_params(struct sctp_paddrparams *params,
struct sctp_transport *trans,
@@ -2610,6 +2657,51 @@ static int sctp_apply_peer_addr_params(struct sctp_paddrparams *params,
}
}
+ if (params->spp_flags & SPP_IPV6_FLOWLABEL) {
+ if (trans && trans->ipaddr.sa.sa_family == AF_INET6) {
+ trans->flowlabel = params->spp_ipv6_flowlabel &
+ SCTP_FLOWLABEL_VAL_MASK;
+ trans->flowlabel |= SCTP_FLOWLABEL_SET_MASK;
+ } else if (asoc) {
+ list_for_each_entry(trans,
+ &asoc->peer.transport_addr_list,
+ transports) {
+ if (trans->ipaddr.sa.sa_family != AF_INET6)
+ continue;
+ trans->flowlabel = params->spp_ipv6_flowlabel &
+ SCTP_FLOWLABEL_VAL_MASK;
+ trans->flowlabel |= SCTP_FLOWLABEL_SET_MASK;
+ }
+ asoc->flowlabel = params->spp_ipv6_flowlabel &
+ SCTP_FLOWLABEL_VAL_MASK;
+ asoc->flowlabel |= SCTP_FLOWLABEL_SET_MASK;
+ } else if (sctp_opt2sk(sp)->sk_family == AF_INET6) {
+ sp->flowlabel = params->spp_ipv6_flowlabel &
+ SCTP_FLOWLABEL_VAL_MASK;
+ sp->flowlabel |= SCTP_FLOWLABEL_SET_MASK;
+ }
+ }
+
+ if (params->spp_flags & SPP_DSCP) {
+ if (trans) {
+ trans->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK;
+ trans->dscp |= SCTP_DSCP_SET_MASK;
+ } else if (asoc) {
+ list_for_each_entry(trans,
+ &asoc->peer.transport_addr_list,
+ transports) {
+ trans->dscp = params->spp_dscp &
+ SCTP_DSCP_VAL_MASK;
+ trans->dscp |= SCTP_DSCP_SET_MASK;
+ }
+ asoc->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK;
+ asoc->dscp |= SCTP_DSCP_SET_MASK;
+ } else {
+ sp->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK;
+ sp->dscp |= SCTP_DSCP_SET_MASK;
+ }
+ }
+
return 0;
}
@@ -2624,11 +2716,18 @@ static int sctp_setsockopt_peer_addr_params(struct sock *sk,
int error;
int hb_change, pmtud_change, sackdelay_change;
- if (optlen != sizeof(struct sctp_paddrparams))
+ if (optlen == sizeof(params)) {
+ if (copy_from_user(&params, optval, optlen))
+ return -EFAULT;
+ } else if (optlen == ALIGN(offsetof(struct sctp_paddrparams,
+ spp_ipv6_flowlabel), 4)) {
+ if (copy_from_user(&params, optval, optlen))
+ return -EFAULT;
+ if (params.spp_flags & (SPP_DSCP | SPP_IPV6_FLOWLABEL))
+ return -EINVAL;
+ } else {
return -EINVAL;
-
- if (copy_from_user(&params, optval, optlen))
- return -EFAULT;
+ }
/* Validate flags and value parameters. */
hb_change = params.spp_flags & SPP_HB;
@@ -4169,6 +4268,28 @@ out:
return retval;
}
+static int sctp_setsockopt_reuse_port(struct sock *sk, char __user *optval,
+ unsigned int optlen)
+{
+ int val;
+
+ if (!sctp_style(sk, TCP))
+ return -EOPNOTSUPP;
+
+ if (sctp_sk(sk)->ep->base.bind_addr.port)
+ return -EFAULT;
+
+ if (optlen < sizeof(int))
+ return -EINVAL;
+
+ if (get_user(val, (int __user *)optval))
+ return -EFAULT;
+
+ sctp_sk(sk)->reuse = !!val;
+
+ return 0;
+}
+
/* API 6.2 setsockopt(), getsockopt()
*
* Applications use setsockopt() and getsockopt() to set or retrieve
@@ -4363,6 +4484,9 @@ static int sctp_setsockopt(struct sock *sk, int level, int optname,
retval = sctp_setsockopt_interleaving_supported(sk, optval,
optlen);
break;
+ case SCTP_REUSE_PORT:
+ retval = sctp_setsockopt_reuse_port(sk, optval, optlen);
+ break;
default:
retval = -ENOPROTOOPT;
break;
@@ -5427,6 +5551,45 @@ out:
* also that this field is mutually exclusive to
* SPP_SACKDELAY_ENABLE, setting both will have undefined
* results.
+ *
+ * SPP_IPV6_FLOWLABEL: Setting this flag enables the
+ * setting of the IPV6 flow label value. The value is
+ * contained in the spp_ipv6_flowlabel field.
+ * Upon retrieval, this flag will be set to indicate that
+ * the spp_ipv6_flowlabel field has a valid value returned.
+ * If a specific destination address is set (in the
+ * spp_address field), then the value returned is that of
+ * the address. If just an association is specified (and
+ * no address), then the association's default flow label
+ * is returned. If neither an association nor a destination
+ * is specified, then the socket's default flow label is
+ * returned. For non-IPv6 sockets, this flag will be left
+ * cleared.
+ *
+ * SPP_DSCP: Setting this flag enables the setting of the
+ * Differentiated Services Code Point (DSCP) value
+ * associated with either the association or a specific
+ * address. The value is obtained in the spp_dscp field.
+ * Upon retrieval, this flag will be set to indicate that
+ * the spp_dscp field has a valid value returned. If a
+ * specific destination address is set when called (in the
+ * spp_address field), then that specific destination
+ * address's DSCP value is returned. If just an association
+ * is specified, then the association's default DSCP is
+ * returned. If neither an association nor a destination is
+ * specified, then the socket's default DSCP is returned.
+ *
+ * spp_ipv6_flowlabel
+ * - This field is used in conjunction with the
+ * SPP_IPV6_FLOWLABEL flag and contains the IPv6 flow label.
+ * The 20 least significant bits are used for the flow
+ * label. This setting has precedence over any IPv6-layer
+ * setting.
+ *
+ * spp_dscp - This field is used in conjunction with the SPP_DSCP flag
+ * and contains the DSCP. The 6 most significant bits are
+ * used for the DSCP. This setting has precedence over any
+ * IPv4- or IPv6- layer setting.
*/
static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
char __user *optval, int __user *optlen)
@@ -5436,9 +5599,15 @@ static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
struct sctp_association *asoc = NULL;
struct sctp_sock *sp = sctp_sk(sk);
- if (len < sizeof(struct sctp_paddrparams))
+ if (len >= sizeof(params))
+ len = sizeof(params);
+ else if (len >= ALIGN(offsetof(struct sctp_paddrparams,
+ spp_ipv6_flowlabel), 4))
+ len = ALIGN(offsetof(struct sctp_paddrparams,
+ spp_ipv6_flowlabel), 4);
+ else
return -EINVAL;
- len = sizeof(struct sctp_paddrparams);
+
if (copy_from_user(&params, optval, len))
return -EFAULT;
@@ -5473,6 +5642,15 @@ static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
/*draft-11 doesn't say what to return in spp_flags*/
params.spp_flags = trans->param_flags;
+ if (trans->flowlabel & SCTP_FLOWLABEL_SET_MASK) {
+ params.spp_ipv6_flowlabel = trans->flowlabel &
+ SCTP_FLOWLABEL_VAL_MASK;
+ params.spp_flags |= SPP_IPV6_FLOWLABEL;
+ }
+ if (trans->dscp & SCTP_DSCP_SET_MASK) {
+ params.spp_dscp = trans->dscp & SCTP_DSCP_VAL_MASK;
+ params.spp_flags |= SPP_DSCP;
+ }
} else if (asoc) {
/* Fetch association values. */
params.spp_hbinterval = jiffies_to_msecs(asoc->hbinterval);
@@ -5482,6 +5660,15 @@ static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
/*draft-11 doesn't say what to return in spp_flags*/
params.spp_flags = asoc->param_flags;
+ if (asoc->flowlabel & SCTP_FLOWLABEL_SET_MASK) {
+ params.spp_ipv6_flowlabel = asoc->flowlabel &
+ SCTP_FLOWLABEL_VAL_MASK;
+ params.spp_flags |= SPP_IPV6_FLOWLABEL;
+ }
+ if (asoc->dscp & SCTP_DSCP_SET_MASK) {
+ params.spp_dscp = asoc->dscp & SCTP_DSCP_VAL_MASK;
+ params.spp_flags |= SPP_DSCP;
+ }
} else {
/* Fetch socket values. */
params.spp_hbinterval = sp->hbinterval;
@@ -5491,6 +5678,15 @@ static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
/*draft-11 doesn't say what to return in spp_flags*/
params.spp_flags = sp->param_flags;
+ if (sp->flowlabel & SCTP_FLOWLABEL_SET_MASK) {
+ params.spp_ipv6_flowlabel = sp->flowlabel &
+ SCTP_FLOWLABEL_VAL_MASK;
+ params.spp_flags |= SPP_IPV6_FLOWLABEL;
+ }
+ if (sp->dscp & SCTP_DSCP_SET_MASK) {
+ params.spp_dscp = sp->dscp & SCTP_DSCP_VAL_MASK;
+ params.spp_flags |= SPP_DSCP;
+ }
}
if (copy_to_user(optval, &params, len))
@@ -6958,7 +7154,7 @@ static int sctp_getsockopt_pr_streamstatus(struct sock *sk, int len,
if (!asoc || params.sprstat_sid >= asoc->stream.outcnt)
goto out;
- streamoute = asoc->stream.out[params.sprstat_sid].ext;
+ streamoute = SCTP_SO(&asoc->stream, params.sprstat_sid)->ext;
if (!streamoute) {
/* Not allocated yet, means all stats are 0 */
params.sprstat_abandoned_unsent = 0;
@@ -7196,6 +7392,26 @@ out:
return retval;
}
+static int sctp_getsockopt_reuse_port(struct sock *sk, int len,
+ char __user *optval,
+ int __user *optlen)
+{
+ int val;
+
+ if (len < sizeof(int))
+ return -EINVAL;
+
+ len = sizeof(int);
+ val = sctp_sk(sk)->reuse;
+ if (put_user(len, optlen))
+ return -EFAULT;
+
+ if (copy_to_user(optval, &val, len))
+ return -EFAULT;
+
+ return 0;
+}
+
static int sctp_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
@@ -7391,6 +7607,9 @@ static int sctp_getsockopt(struct sock *sk, int level, int optname,
retval = sctp_getsockopt_interleaving_supported(sk, len, optval,
optlen);
break;
+ case SCTP_REUSE_PORT:
+ retval = sctp_getsockopt_reuse_port(sk, len, optval, optlen);
+ break;
default:
retval = -ENOPROTOOPT;
break;
@@ -7428,6 +7647,7 @@ static struct sctp_bind_bucket *sctp_bucket_create(
static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
{
+ bool reuse = (sk->sk_reuse || sctp_sk(sk)->reuse);
struct sctp_bind_hashbucket *head; /* hash list */
struct sctp_bind_bucket *pp;
unsigned short snum;
@@ -7500,13 +7720,11 @@ pp_found:
* used by other socket (pp->owner not empty); that other
* socket is going to be sk2.
*/
- int reuse = sk->sk_reuse;
struct sock *sk2;
pr_debug("%s: found a possible match\n", __func__);
- if (pp->fastreuse && sk->sk_reuse &&
- sk->sk_state != SCTP_SS_LISTENING)
+ if (pp->fastreuse && reuse && sk->sk_state != SCTP_SS_LISTENING)
goto success;
/* Run through the list of sockets bound to the port
@@ -7524,7 +7742,7 @@ pp_found:
ep2 = sctp_sk(sk2)->ep;
if (sk == sk2 ||
- (reuse && sk2->sk_reuse &&
+ (reuse && (sk2->sk_reuse || sctp_sk(sk2)->reuse) &&
sk2->sk_state != SCTP_SS_LISTENING))
continue;
@@ -7548,12 +7766,12 @@ pp_not_found:
* SO_REUSEADDR on this socket -sk-).
*/
if (hlist_empty(&pp->owner)) {
- if (sk->sk_reuse && sk->sk_state != SCTP_SS_LISTENING)
+ if (reuse && sk->sk_state != SCTP_SS_LISTENING)
pp->fastreuse = 1;
else
pp->fastreuse = 0;
} else if (pp->fastreuse &&
- (!sk->sk_reuse || sk->sk_state == SCTP_SS_LISTENING))
+ (!reuse || sk->sk_state == SCTP_SS_LISTENING))
pp->fastreuse = 0;
/* We are set, so fill up all the data in the hash table
@@ -7684,7 +7902,7 @@ int sctp_inet_listen(struct socket *sock, int backlog)
err = 0;
sctp_unhash_endpoint(ep);
sk->sk_state = SCTP_SS_CLOSED;
- if (sk->sk_reuse)
+ if (sk->sk_reuse || sctp_sk(sk)->reuse)
sctp_sk(sk)->bind_hash->fastreuse = 1;
goto out;
}
@@ -8551,6 +8769,7 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk,
newsk->sk_no_check_tx = sk->sk_no_check_tx;
newsk->sk_no_check_rx = sk->sk_no_check_rx;
newsk->sk_reuse = sk->sk_reuse;
+ sctp_sk(newsk)->reuse = sp->reuse;
newsk->sk_shutdown = sk->sk_shutdown;
newsk->sk_destruct = sctp_destruct_sock;
diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index f1f1d1b232ba..ffb940d3b57c 100644
--- a/net/sctp/stream.c
+++ b/net/sctp/stream.c
@@ -37,6 +37,53 @@
#include <net/sctp/sm.h>
#include <net/sctp/stream_sched.h>
+static struct flex_array *fa_alloc(size_t elem_size, size_t elem_count,
+ gfp_t gfp)
+{
+ struct flex_array *result;
+ int err;
+
+ result = flex_array_alloc(elem_size, elem_count, gfp);
+ if (result) {
+ err = flex_array_prealloc(result, 0, elem_count, gfp);
+ if (err) {
+ flex_array_free(result);
+ result = NULL;
+ }
+ }
+
+ return result;
+}
+
+static void fa_free(struct flex_array *fa)
+{
+ if (fa)
+ flex_array_free(fa);
+}
+
+static void fa_copy(struct flex_array *fa, struct flex_array *from,
+ size_t index, size_t count)
+{
+ void *elem;
+
+ while (count--) {
+ elem = flex_array_get(from, index);
+ flex_array_put(fa, index, elem, 0);
+ index++;
+ }
+}
+
+static void fa_zero(struct flex_array *fa, size_t index, size_t count)
+{
+ void *elem;
+
+ while (count--) {
+ elem = flex_array_get(fa, index);
+ memset(elem, 0, fa->element_size);
+ index++;
+ }
+}
+
/* Migrates chunks from stream queues to new stream queues if needed,
* but not across associations. Also, removes those chunks to streams
* higher than the new max.
@@ -78,34 +125,33 @@ static void sctp_stream_outq_migrate(struct sctp_stream *stream,
* sctp_stream_update will swap ->out pointers.
*/
for (i = 0; i < outcnt; i++) {
- kfree(new->out[i].ext);
- new->out[i].ext = stream->out[i].ext;
- stream->out[i].ext = NULL;
+ kfree(SCTP_SO(new, i)->ext);
+ SCTP_SO(new, i)->ext = SCTP_SO(stream, i)->ext;
+ SCTP_SO(stream, i)->ext = NULL;
}
}
for (i = outcnt; i < stream->outcnt; i++)
- kfree(stream->out[i].ext);
+ kfree(SCTP_SO(stream, i)->ext);
}
static int sctp_stream_alloc_out(struct sctp_stream *stream, __u16 outcnt,
gfp_t gfp)
{
- struct sctp_stream_out *out;
+ struct flex_array *out;
+ size_t elem_size = sizeof(struct sctp_stream_out);
- out = kmalloc_array(outcnt, sizeof(*out), gfp);
+ out = fa_alloc(elem_size, outcnt, gfp);
if (!out)
return -ENOMEM;
if (stream->out) {
- memcpy(out, stream->out, min(outcnt, stream->outcnt) *
- sizeof(*out));
- kfree(stream->out);
+ fa_copy(out, stream->out, 0, min(outcnt, stream->outcnt));
+ fa_free(stream->out);
}
if (outcnt > stream->outcnt)
- memset(out + stream->outcnt, 0,
- (outcnt - stream->outcnt) * sizeof(*out));
+ fa_zero(out, stream->outcnt, (outcnt - stream->outcnt));
stream->out = out;
@@ -115,22 +161,20 @@ static int sctp_stream_alloc_out(struct sctp_stream *stream, __u16 outcnt,
static int sctp_stream_alloc_in(struct sctp_stream *stream, __u16 incnt,
gfp_t gfp)
{
- struct sctp_stream_in *in;
-
- in = kmalloc_array(incnt, sizeof(*stream->in), gfp);
+ struct flex_array *in;
+ size_t elem_size = sizeof(struct sctp_stream_in);
+ in = fa_alloc(elem_size, incnt, gfp);
if (!in)
return -ENOMEM;
if (stream->in) {
- memcpy(in, stream->in, min(incnt, stream->incnt) *
- sizeof(*in));
- kfree(stream->in);
+ fa_copy(in, stream->in, 0, min(incnt, stream->incnt));
+ fa_free(stream->in);
}
if (incnt > stream->incnt)
- memset(in + stream->incnt, 0,
- (incnt - stream->incnt) * sizeof(*in));
+ fa_zero(in, stream->incnt, (incnt - stream->incnt));
stream->in = in;
@@ -162,7 +206,7 @@ int sctp_stream_init(struct sctp_stream *stream, __u16 outcnt, __u16 incnt,
stream->outcnt = outcnt;
for (i = 0; i < stream->outcnt; i++)
- stream->out[i].state = SCTP_STREAM_OPEN;
+ SCTP_SO(stream, i)->state = SCTP_STREAM_OPEN;
sched->init(stream);
@@ -174,7 +218,7 @@ in:
ret = sctp_stream_alloc_in(stream, incnt, gfp);
if (ret) {
sched->free(stream);
- kfree(stream->out);
+ fa_free(stream->out);
stream->out = NULL;
stream->outcnt = 0;
goto out;
@@ -193,7 +237,7 @@ int sctp_stream_init_ext(struct sctp_stream *stream, __u16 sid)
soute = kzalloc(sizeof(*soute), GFP_KERNEL);
if (!soute)
return -ENOMEM;
- stream->out[sid].ext = soute;
+ SCTP_SO(stream, sid)->ext = soute;
return sctp_sched_init_sid(stream, sid, GFP_KERNEL);
}
@@ -205,9 +249,9 @@ void sctp_stream_free(struct sctp_stream *stream)
sched->free(stream);
for (i = 0; i < stream->outcnt; i++)
- kfree(stream->out[i].ext);
- kfree(stream->out);
- kfree(stream->in);
+ kfree(SCTP_SO(stream, i)->ext);
+ fa_free(stream->out);
+ fa_free(stream->in);
}
void sctp_stream_clear(struct sctp_stream *stream)
@@ -215,12 +259,12 @@ void sctp_stream_clear(struct sctp_stream *stream)
int i;
for (i = 0; i < stream->outcnt; i++) {
- stream->out[i].mid = 0;
- stream->out[i].mid_uo = 0;
+ SCTP_SO(stream, i)->mid = 0;
+ SCTP_SO(stream, i)->mid_uo = 0;
}
for (i = 0; i < stream->incnt; i++)
- stream->in[i].mid = 0;
+ SCTP_SI(stream, i)->mid = 0;
}
void sctp_stream_update(struct sctp_stream *stream, struct sctp_stream *new)
@@ -273,8 +317,8 @@ static bool sctp_stream_outq_is_empty(struct sctp_stream *stream,
for (i = 0; i < str_nums; i++) {
__u16 sid = ntohs(str_list[i]);
- if (stream->out[sid].ext &&
- !list_empty(&stream->out[sid].ext->outq))
+ if (SCTP_SO(stream, sid)->ext &&
+ !list_empty(&SCTP_SO(stream, sid)->ext->outq))
return false;
}
@@ -361,11 +405,11 @@ int sctp_send_reset_streams(struct sctp_association *asoc,
if (out) {
if (str_nums)
for (i = 0; i < str_nums; i++)
- stream->out[str_list[i]].state =
+ SCTP_SO(stream, str_list[i])->state =
SCTP_STREAM_CLOSED;
else
for (i = 0; i < stream->outcnt; i++)
- stream->out[i].state = SCTP_STREAM_CLOSED;
+ SCTP_SO(stream, i)->state = SCTP_STREAM_CLOSED;
}
asoc->strreset_chunk = chunk;
@@ -380,11 +424,11 @@ int sctp_send_reset_streams(struct sctp_association *asoc,
if (str_nums)
for (i = 0; i < str_nums; i++)
- stream->out[str_list[i]].state =
+ SCTP_SO(stream, str_list[i])->state =
SCTP_STREAM_OPEN;
else
for (i = 0; i < stream->outcnt; i++)
- stream->out[i].state = SCTP_STREAM_OPEN;
+ SCTP_SO(stream, i)->state = SCTP_STREAM_OPEN;
goto out;
}
@@ -418,7 +462,7 @@ int sctp_send_reset_assoc(struct sctp_association *asoc)
/* Block further xmit of data until this request is completed */
for (i = 0; i < stream->outcnt; i++)
- stream->out[i].state = SCTP_STREAM_CLOSED;
+ SCTP_SO(stream, i)->state = SCTP_STREAM_CLOSED;
asoc->strreset_chunk = chunk;
sctp_chunk_hold(asoc->strreset_chunk);
@@ -429,7 +473,7 @@ int sctp_send_reset_assoc(struct sctp_association *asoc)
asoc->strreset_chunk = NULL;
for (i = 0; i < stream->outcnt; i++)
- stream->out[i].state = SCTP_STREAM_OPEN;
+ SCTP_SO(stream, i)->state = SCTP_STREAM_OPEN;
return retval;
}
@@ -609,10 +653,10 @@ struct sctp_chunk *sctp_process_strreset_outreq(
}
for (i = 0; i < nums; i++)
- stream->in[ntohs(str_p[i])].mid = 0;
+ SCTP_SI(stream, ntohs(str_p[i]))->mid = 0;
} else {
for (i = 0; i < stream->incnt; i++)
- stream->in[i].mid = 0;
+ SCTP_SI(stream, i)->mid = 0;
}
result = SCTP_STRRESET_PERFORMED;
@@ -683,11 +727,11 @@ struct sctp_chunk *sctp_process_strreset_inreq(
if (nums)
for (i = 0; i < nums; i++)
- stream->out[ntohs(str_p[i])].state =
+ SCTP_SO(stream, ntohs(str_p[i]))->state =
SCTP_STREAM_CLOSED;
else
for (i = 0; i < stream->outcnt; i++)
- stream->out[i].state = SCTP_STREAM_CLOSED;
+ SCTP_SO(stream, i)->state = SCTP_STREAM_CLOSED;
asoc->strreset_chunk = chunk;
asoc->strreset_outstanding = 1;
@@ -786,11 +830,11 @@ struct sctp_chunk *sctp_process_strreset_tsnreq(
* incoming and outgoing streams.
*/
for (i = 0; i < stream->outcnt; i++) {
- stream->out[i].mid = 0;
- stream->out[i].mid_uo = 0;
+ SCTP_SO(stream, i)->mid = 0;
+ SCTP_SO(stream, i)->mid_uo = 0;
}
for (i = 0; i < stream->incnt; i++)
- stream->in[i].mid = 0;
+ SCTP_SI(stream, i)->mid = 0;
result = SCTP_STRRESET_PERFORMED;
@@ -979,15 +1023,18 @@ struct sctp_chunk *sctp_process_strreset_resp(
sizeof(__u16);
if (result == SCTP_STRRESET_PERFORMED) {
+ struct sctp_stream_out *sout;
if (nums) {
for (i = 0; i < nums; i++) {
- stream->out[ntohs(str_p[i])].mid = 0;
- stream->out[ntohs(str_p[i])].mid_uo = 0;
+ sout = SCTP_SO(stream, ntohs(str_p[i]));
+ sout->mid = 0;
+ sout->mid_uo = 0;
}
} else {
for (i = 0; i < stream->outcnt; i++) {
- stream->out[i].mid = 0;
- stream->out[i].mid_uo = 0;
+ sout = SCTP_SO(stream, i);
+ sout->mid = 0;
+ sout->mid_uo = 0;
}
}
@@ -995,7 +1042,7 @@ struct sctp_chunk *sctp_process_strreset_resp(
}
for (i = 0; i < stream->outcnt; i++)
- stream->out[i].state = SCTP_STREAM_OPEN;
+ SCTP_SO(stream, i)->state = SCTP_STREAM_OPEN;
*evp = sctp_ulpevent_make_stream_reset_event(asoc, flags,
nums, str_p, GFP_ATOMIC);
@@ -1050,15 +1097,15 @@ struct sctp_chunk *sctp_process_strreset_resp(
asoc->adv_peer_ack_point = asoc->ctsn_ack_point;
for (i = 0; i < stream->outcnt; i++) {
- stream->out[i].mid = 0;
- stream->out[i].mid_uo = 0;
+ SCTP_SO(stream, i)->mid = 0;
+ SCTP_SO(stream, i)->mid_uo = 0;
}
for (i = 0; i < stream->incnt; i++)
- stream->in[i].mid = 0;
+ SCTP_SI(stream, i)->mid = 0;
}
for (i = 0; i < stream->outcnt; i++)
- stream->out[i].state = SCTP_STREAM_OPEN;
+ SCTP_SO(stream, i)->state = SCTP_STREAM_OPEN;
*evp = sctp_ulpevent_make_assoc_reset_event(asoc, flags,
stsn, rtsn, GFP_ATOMIC);
@@ -1072,7 +1119,7 @@ struct sctp_chunk *sctp_process_strreset_resp(
if (result == SCTP_STRRESET_PERFORMED)
for (i = number; i < stream->outcnt; i++)
- stream->out[i].state = SCTP_STREAM_OPEN;
+ SCTP_SO(stream, i)->state = SCTP_STREAM_OPEN;
else
stream->outcnt = number;
diff --git a/net/sctp/stream_interleave.c b/net/sctp/stream_interleave.c
index d3764c181299..0a78cdf86463 100644
--- a/net/sctp/stream_interleave.c
+++ b/net/sctp/stream_interleave.c
@@ -197,7 +197,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_partial(
__u32 next_fsn = 0;
int is_last = 0;
- sin = sctp_stream_in(ulpq->asoc, event->stream);
+ sin = sctp_stream_in(&ulpq->asoc->stream, event->stream);
skb_queue_walk(&ulpq->reasm, pos) {
struct sctp_ulpevent *cevent = sctp_skb2event(pos);
@@ -278,7 +278,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_reassembled(
__u32 pd_len = 0;
__u32 mid = 0;
- sin = sctp_stream_in(ulpq->asoc, event->stream);
+ sin = sctp_stream_in(&ulpq->asoc->stream, event->stream);
skb_queue_walk(&ulpq->reasm, pos) {
struct sctp_ulpevent *cevent = sctp_skb2event(pos);
@@ -368,7 +368,7 @@ static struct sctp_ulpevent *sctp_intl_reasm(struct sctp_ulpq *ulpq,
sctp_intl_store_reasm(ulpq, event);
- sin = sctp_stream_in(ulpq->asoc, event->stream);
+ sin = sctp_stream_in(&ulpq->asoc->stream, event->stream);
if (sin->pd_mode && event->mid == sin->mid &&
event->fsn == sin->fsn)
retval = sctp_intl_retrieve_partial(ulpq, event);
@@ -575,7 +575,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_partial_uo(
__u32 next_fsn = 0;
int is_last = 0;
- sin = sctp_stream_in(ulpq->asoc, event->stream);
+ sin = sctp_stream_in(&ulpq->asoc->stream, event->stream);
skb_queue_walk(&ulpq->reasm_uo, pos) {
struct sctp_ulpevent *cevent = sctp_skb2event(pos);
@@ -659,7 +659,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_reassembled_uo(
__u32 pd_len = 0;
__u32 mid = 0;
- sin = sctp_stream_in(ulpq->asoc, event->stream);
+ sin = sctp_stream_in(&ulpq->asoc->stream, event->stream);
skb_queue_walk(&ulpq->reasm_uo, pos) {
struct sctp_ulpevent *cevent = sctp_skb2event(pos);
@@ -750,7 +750,7 @@ static struct sctp_ulpevent *sctp_intl_reasm_uo(struct sctp_ulpq *ulpq,
sctp_intl_store_reasm_uo(ulpq, event);
- sin = sctp_stream_in(ulpq->asoc, event->stream);
+ sin = sctp_stream_in(&ulpq->asoc->stream, event->stream);
if (sin->pd_mode_uo && event->mid == sin->mid_uo &&
event->fsn == sin->fsn_uo)
retval = sctp_intl_retrieve_partial_uo(ulpq, event);
@@ -774,7 +774,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_first_uo(struct sctp_ulpq *ulpq)
skb_queue_walk(&ulpq->reasm_uo, pos) {
struct sctp_ulpevent *cevent = sctp_skb2event(pos);
- csin = sctp_stream_in(ulpq->asoc, cevent->stream);
+ csin = sctp_stream_in(&ulpq->asoc->stream, cevent->stream);
if (csin->pd_mode_uo)
continue;
@@ -875,7 +875,7 @@ static struct sctp_ulpevent *sctp_intl_retrieve_first(struct sctp_ulpq *ulpq)
skb_queue_walk(&ulpq->reasm, pos) {
struct sctp_ulpevent *cevent = sctp_skb2event(pos);
- csin = sctp_stream_in(ulpq->asoc, cevent->stream);
+ csin = sctp_stream_in(&ulpq->asoc->stream, cevent->stream);
if (csin->pd_mode)
continue;
@@ -1053,7 +1053,7 @@ static void sctp_intl_abort_pd(struct sctp_ulpq *ulpq, gfp_t gfp)
__u16 sid;
for (sid = 0; sid < stream->incnt; sid++) {
- struct sctp_stream_in *sin = &stream->in[sid];
+ struct sctp_stream_in *sin = SCTP_SI(stream, sid);
__u32 mid;
if (sin->pd_mode_uo) {
@@ -1247,7 +1247,7 @@ static void sctp_handle_fwdtsn(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk)
static void sctp_intl_skip(struct sctp_ulpq *ulpq, __u16 sid, __u32 mid,
__u8 flags)
{
- struct sctp_stream_in *sin = sctp_stream_in(ulpq->asoc, sid);
+ struct sctp_stream_in *sin = sctp_stream_in(&ulpq->asoc->stream, sid);
struct sctp_stream *stream = &ulpq->asoc->stream;
if (flags & SCTP_FTSN_U_BIT) {
diff --git a/net/sctp/stream_sched.c b/net/sctp/stream_sched.c
index f5fcd425232a..a6c04a94b08f 100644
--- a/net/sctp/stream_sched.c
+++ b/net/sctp/stream_sched.c
@@ -161,7 +161,7 @@ int sctp_sched_set_sched(struct sctp_association *asoc,
/* Give the next scheduler a clean slate. */
for (i = 0; i < asoc->stream.outcnt; i++) {
- void *p = asoc->stream.out[i].ext;
+ void *p = SCTP_SO(&asoc->stream, i)->ext;
if (!p)
continue;
@@ -175,7 +175,7 @@ int sctp_sched_set_sched(struct sctp_association *asoc,
asoc->outqueue.sched = n;
n->init(&asoc->stream);
for (i = 0; i < asoc->stream.outcnt; i++) {
- if (!asoc->stream.out[i].ext)
+ if (!SCTP_SO(&asoc->stream, i)->ext)
continue;
ret = n->init_sid(&asoc->stream, i, GFP_KERNEL);
@@ -217,7 +217,7 @@ int sctp_sched_set_value(struct sctp_association *asoc, __u16 sid,
if (sid >= asoc->stream.outcnt)
return -EINVAL;
- if (!asoc->stream.out[sid].ext) {
+ if (!SCTP_SO(&asoc->stream, sid)->ext) {
int ret;
ret = sctp_stream_init_ext(&asoc->stream, sid);
@@ -234,7 +234,7 @@ int sctp_sched_get_value(struct sctp_association *asoc, __u16 sid,
if (sid >= asoc->stream.outcnt)
return -EINVAL;
- if (!asoc->stream.out[sid].ext)
+ if (!SCTP_SO(&asoc->stream, sid)->ext)
return 0;
return asoc->outqueue.sched->get(&asoc->stream, sid, value);
@@ -252,7 +252,7 @@ void sctp_sched_dequeue_done(struct sctp_outq *q, struct sctp_chunk *ch)
* priority stream comes in.
*/
sid = sctp_chunk_stream_no(ch);
- sout = &q->asoc->stream.out[sid];
+ sout = SCTP_SO(&q->asoc->stream, sid);
q->asoc->stream.out_curr = sout;
return;
}
@@ -272,8 +272,9 @@ void sctp_sched_dequeue_common(struct sctp_outq *q, struct sctp_chunk *ch)
int sctp_sched_init_sid(struct sctp_stream *stream, __u16 sid, gfp_t gfp)
{
struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream);
+ struct sctp_stream_out_ext *ext = SCTP_SO(stream, sid)->ext;
- INIT_LIST_HEAD(&stream->out[sid].ext->outq);
+ INIT_LIST_HEAD(&ext->outq);
return sched->init_sid(stream, sid, gfp);
}
diff --git a/net/sctp/stream_sched_prio.c b/net/sctp/stream_sched_prio.c
index 7997d35dd0fd..2245083a98f2 100644
--- a/net/sctp/stream_sched_prio.c
+++ b/net/sctp/stream_sched_prio.c
@@ -75,10 +75,10 @@ static struct sctp_stream_priorities *sctp_sched_prio_get_head(
/* No luck. So we search on all streams now. */
for (i = 0; i < stream->outcnt; i++) {
- if (!stream->out[i].ext)
+ if (!SCTP_SO(stream, i)->ext)
continue;
- p = stream->out[i].ext->prio_head;
+ p = SCTP_SO(stream, i)->ext->prio_head;
if (!p)
/* Means all other streams won't be initialized
* as well.
@@ -165,7 +165,7 @@ static void sctp_sched_prio_sched(struct sctp_stream *stream,
static int sctp_sched_prio_set(struct sctp_stream *stream, __u16 sid,
__u16 prio, gfp_t gfp)
{
- struct sctp_stream_out *sout = &stream->out[sid];
+ struct sctp_stream_out *sout = SCTP_SO(stream, sid);
struct sctp_stream_out_ext *soute = sout->ext;
struct sctp_stream_priorities *prio_head, *old;
bool reschedule = false;
@@ -186,7 +186,7 @@ static int sctp_sched_prio_set(struct sctp_stream *stream, __u16 sid,
return 0;
for (i = 0; i < stream->outcnt; i++) {
- soute = stream->out[i].ext;
+ soute = SCTP_SO(stream, i)->ext;
if (soute && soute->prio_head == old)
/* It's still in use, nothing else to do here. */
return 0;
@@ -201,7 +201,7 @@ static int sctp_sched_prio_set(struct sctp_stream *stream, __u16 sid,
static int sctp_sched_prio_get(struct sctp_stream *stream, __u16 sid,
__u16 *value)
{
- *value = stream->out[sid].ext->prio_head->prio;
+ *value = SCTP_SO(stream, sid)->ext->prio_head->prio;
return 0;
}
@@ -215,7 +215,7 @@ static int sctp_sched_prio_init(struct sctp_stream *stream)
static int sctp_sched_prio_init_sid(struct sctp_stream *stream, __u16 sid,
gfp_t gfp)
{
- INIT_LIST_HEAD(&stream->out[sid].ext->prio_list);
+ INIT_LIST_HEAD(&SCTP_SO(stream, sid)->ext->prio_list);
return sctp_sched_prio_set(stream, sid, 0, gfp);
}
@@ -233,9 +233,9 @@ static void sctp_sched_prio_free(struct sctp_stream *stream)
*/
sctp_sched_prio_unsched_all(stream);
for (i = 0; i < stream->outcnt; i++) {
- if (!stream->out[i].ext)
+ if (!SCTP_SO(stream, i)->ext)
continue;
- prio = stream->out[i].ext->prio_head;
+ prio = SCTP_SO(stream, i)->ext->prio_head;
if (prio && list_empty(&prio->prio_sched))
list_add(&prio->prio_sched, &list);
}
@@ -255,7 +255,7 @@ static void sctp_sched_prio_enqueue(struct sctp_outq *q,
ch = list_first_entry(&msg->chunks, struct sctp_chunk, frag_list);
sid = sctp_chunk_stream_no(ch);
stream = &q->asoc->stream;
- sctp_sched_prio_sched(stream, stream->out[sid].ext);
+ sctp_sched_prio_sched(stream, SCTP_SO(stream, sid)->ext);
}
static struct sctp_chunk *sctp_sched_prio_dequeue(struct sctp_outq *q)
@@ -297,7 +297,7 @@ static void sctp_sched_prio_dequeue_done(struct sctp_outq *q,
* this priority.
*/
sid = sctp_chunk_stream_no(ch);
- soute = q->asoc->stream.out[sid].ext;
+ soute = SCTP_SO(&q->asoc->stream, sid)->ext;
prio = soute->prio_head;
sctp_sched_prio_next_stream(prio);
@@ -317,7 +317,7 @@ static void sctp_sched_prio_sched_all(struct sctp_stream *stream)
__u16 sid;
sid = sctp_chunk_stream_no(ch);
- sout = &stream->out[sid];
+ sout = SCTP_SO(stream, sid);
if (sout->ext)
sctp_sched_prio_sched(stream, sout->ext);
}
diff --git a/net/sctp/stream_sched_rr.c b/net/sctp/stream_sched_rr.c
index 1155692448f1..52ba743fa7a7 100644
--- a/net/sctp/stream_sched_rr.c
+++ b/net/sctp/stream_sched_rr.c
@@ -100,7 +100,7 @@ static int sctp_sched_rr_init(struct sctp_stream *stream)
static int sctp_sched_rr_init_sid(struct sctp_stream *stream, __u16 sid,
gfp_t gfp)
{
- INIT_LIST_HEAD(&stream->out[sid].ext->rr_list);
+ INIT_LIST_HEAD(&SCTP_SO(stream, sid)->ext->rr_list);
return 0;
}
@@ -120,7 +120,7 @@ static void sctp_sched_rr_enqueue(struct sctp_outq *q,
ch = list_first_entry(&msg->chunks, struct sctp_chunk, frag_list);
sid = sctp_chunk_stream_no(ch);
stream = &q->asoc->stream;
- sctp_sched_rr_sched(stream, stream->out[sid].ext);
+ sctp_sched_rr_sched(stream, SCTP_SO(stream, sid)->ext);
}
static struct sctp_chunk *sctp_sched_rr_dequeue(struct sctp_outq *q)
@@ -154,7 +154,7 @@ static void sctp_sched_rr_dequeue_done(struct sctp_outq *q,
/* Last chunk on that msg, move to the next stream */
sid = sctp_chunk_stream_no(ch);
- soute = q->asoc->stream.out[sid].ext;
+ soute = SCTP_SO(&q->asoc->stream, sid)->ext;
sctp_sched_rr_next_stream(&q->asoc->stream);
@@ -173,7 +173,7 @@ static void sctp_sched_rr_sched_all(struct sctp_stream *stream)
__u16 sid;
sid = sctp_chunk_stream_no(ch);
- soute = stream->out[sid].ext;
+ soute = SCTP_SO(stream, sid)->ext;
if (soute)
sctp_sched_rr_sched(stream, soute);
}
generated by cgit (git 2.34.1) at 2024-06-10 21:59:04 +0000