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authorJohn W. Linville2013-03-18 14:39:21 +0100
committerJohn W. Linville2013-03-18 14:39:21 +0100
commit49c87cd1eac1f798c5bad7f7eb809e6df36b6c56 (patch)
tree8d6905466a05d6539e06d189cf88b71095ac0a79 /net
parentb43: HT-PHY: enable basic TX power setup (diff)
parentrtlwifi: rtl8192cu: Fix problem that prevents reassociation (diff)
downloadkernel-qcow2-linux-49c87cd1eac1f798c5bad7f7eb809e6df36b6c56.tar.gz
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts: net/nfc/llcp/llcp.c
Diffstat (limited to 'net')
-rw-r--r--net/caif/caif_dev.c2
-rw-r--r--net/caif/caif_usb.c4
-rw-r--r--net/core/dev.c4
-rw-r--r--net/ipv4/ip_input.c6
-rw-r--r--net/ipv4/ip_options.c2
-rw-r--r--net/ipv4/tcp_input.c6
-rw-r--r--net/ipv6/ip6_input.c6
-rw-r--r--net/ipv6/route.c3
-rw-r--r--net/irda/ircomm/ircomm_tty.c29
-rw-r--r--net/irda/iriap.c7
-rw-r--r--net/l2tp/l2tp_ppp.c1
-rw-r--r--net/netfilter/ipset/ip_set_core.c3
-rw-r--r--net/nfc/llcp/llcp.c62
-rw-r--r--net/nfc/llcp/sock.c2
-rw-r--r--net/rds/message.c8
-rw-r--r--net/sched/sch_qfq.c66
-rw-r--r--net/sctp/endpointola.c2
-rw-r--r--net/sctp/socket.c6
-rw-r--r--net/sctp/ssnmap.c8
-rw-r--r--net/sctp/tsnmap.c13
-rw-r--r--net/sctp/ulpqueue.c87
21 files changed, 232 insertions, 95 deletions
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c
index 1ae1d9cb278d..21760f008974 100644
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c
@@ -118,7 +118,7 @@ static struct caif_device_entry *caif_get(struct net_device *dev)
return NULL;
}
-void caif_flow_cb(struct sk_buff *skb)
+static void caif_flow_cb(struct sk_buff *skb)
{
struct caif_device_entry *caifd;
void (*dtor)(struct sk_buff *skb) = NULL;
diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c
index 3ebc8cbc91ff..ef8ebaa993cf 100644
--- a/net/caif/caif_usb.c
+++ b/net/caif/caif_usb.c
@@ -81,8 +81,8 @@ static void cfusbl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
layr->up->ctrlcmd(layr->up, ctrl, layr->id);
}
-struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN],
- u8 braddr[ETH_ALEN])
+static struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN],
+ u8 braddr[ETH_ALEN])
{
struct cfusbl *this = kmalloc(sizeof(struct cfusbl), GFP_ATOMIC);
diff --git a/net/core/dev.c b/net/core/dev.c
index a06a7a58dd11..8f152f904f70 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4103,7 +4103,7 @@ static void net_rx_action(struct softirq_action *h)
* Allow this to run for 2 jiffies since which will allow
* an average latency of 1.5/HZ.
*/
- if (unlikely(budget <= 0 || time_after(jiffies, time_limit)))
+ if (unlikely(budget <= 0 || time_after_eq(jiffies, time_limit)))
goto softnet_break;
local_irq_enable();
@@ -4780,7 +4780,7 @@ EXPORT_SYMBOL(dev_set_mac_address);
/**
* dev_change_carrier - Change device carrier
* @dev: device
- * @new_carries: new value
+ * @new_carrier: new value
*
* Change device carrier
*/
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 87abd3e2bd32..2bdf802e28e2 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -228,9 +228,11 @@ static int ip_local_deliver_finish(struct sk_buff *skb)
icmp_send(skb, ICMP_DEST_UNREACH,
ICMP_PROT_UNREACH, 0);
}
- } else
+ kfree_skb(skb);
+ } else {
IP_INC_STATS_BH(net, IPSTATS_MIB_INDELIVERS);
- kfree_skb(skb);
+ consume_skb(skb);
+ }
}
}
out:
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index f6289bf6f332..310a3647c83d 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -423,7 +423,7 @@ int ip_options_compile(struct net *net,
put_unaligned_be32(midtime, timeptr);
opt->is_changed = 1;
}
- } else {
+ } else if ((optptr[3]&0xF) != IPOPT_TS_PRESPEC) {
unsigned int overflow = optptr[3]>>4;
if (overflow == 15) {
pp_ptr = optptr + 3;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index a759e19496d2..0d9bdacce99f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5485,6 +5485,9 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
if (tcp_checksum_complete_user(sk, skb))
goto csum_error;
+ if ((int)skb->truesize > sk->sk_forward_alloc)
+ goto step5;
+
/* Predicted packet is in window by definition.
* seq == rcv_nxt and rcv_wup <= rcv_nxt.
* Hence, check seq<=rcv_wup reduces to:
@@ -5496,9 +5499,6 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
tcp_rcv_rtt_measure_ts(sk, skb);
- if ((int)skb->truesize > sk->sk_forward_alloc)
- goto step5;
-
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPHPHITS);
/* Bulk data transfer: receiver */
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 5b10414e619e..b1876e52091e 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -241,9 +241,11 @@ resubmit:
icmpv6_send(skb, ICMPV6_PARAMPROB,
ICMPV6_UNK_NEXTHDR, nhoff);
}
- } else
+ kfree_skb(skb);
+ } else {
IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INDELIVERS);
- kfree_skb(skb);
+ consume_skb(skb);
+ }
}
rcu_read_unlock();
return 0;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 928266569689..e5fe0041adfa 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1915,7 +1915,8 @@ void rt6_purge_dflt_routers(struct net *net)
restart:
read_lock_bh(&table->tb6_lock);
for (rt = table->tb6_root.leaf; rt; rt = rt->dst.rt6_next) {
- if (rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF)) {
+ if (rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF) &&
+ (!rt->rt6i_idev || rt->rt6i_idev->cnf.accept_ra != 2)) {
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
ip6_del_rt(rt);
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
index 9a5fd3c3e530..362ba47968e4 100644
--- a/net/irda/ircomm/ircomm_tty.c
+++ b/net/irda/ircomm/ircomm_tty.c
@@ -280,7 +280,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
struct tty_port *port = &self->port;
DECLARE_WAITQUEUE(wait, current);
int retval;
- int do_clocal = 0, extra_count = 0;
+ int do_clocal = 0;
unsigned long flags;
IRDA_DEBUG(2, "%s()\n", __func__ );
@@ -289,8 +289,15 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
* If non-blocking mode is set, or the port is not enabled,
* then make the check up front and then exit.
*/
- if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){
- /* nonblock mode is set or port is not enabled */
+ if (test_bit(TTY_IO_ERROR, &tty->flags)) {
+ port->flags |= ASYNC_NORMAL_ACTIVE;
+ return 0;
+ }
+
+ if (filp->f_flags & O_NONBLOCK) {
+ /* nonblock mode is set */
+ if (tty->termios.c_cflag & CBAUD)
+ tty_port_raise_dtr_rts(port);
port->flags |= ASYNC_NORMAL_ACTIVE;
IRDA_DEBUG(1, "%s(), O_NONBLOCK requested!\n", __func__ );
return 0;
@@ -315,18 +322,16 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
__FILE__, __LINE__, tty->driver->name, port->count);
spin_lock_irqsave(&port->lock, flags);
- if (!tty_hung_up_p(filp)) {
- extra_count = 1;
+ if (!tty_hung_up_p(filp))
port->count--;
- }
- spin_unlock_irqrestore(&port->lock, flags);
port->blocked_open++;
+ spin_unlock_irqrestore(&port->lock, flags);
while (1) {
if (tty->termios.c_cflag & CBAUD)
tty_port_raise_dtr_rts(port);
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
if (tty_hung_up_p(filp) ||
!test_bit(ASYNCB_INITIALIZED, &port->flags)) {
@@ -361,13 +366,11 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
__set_current_state(TASK_RUNNING);
remove_wait_queue(&port->open_wait, &wait);
- if (extra_count) {
- /* ++ is not atomic, so this should be protected - Jean II */
- spin_lock_irqsave(&port->lock, flags);
+ spin_lock_irqsave(&port->lock, flags);
+ if (!tty_hung_up_p(filp))
port->count++;
- spin_unlock_irqrestore(&port->lock, flags);
- }
port->blocked_open--;
+ spin_unlock_irqrestore(&port->lock, flags);
IRDA_DEBUG(1, "%s(%d):block_til_ready after blocking on %s open_count=%d\n",
__FILE__, __LINE__, tty->driver->name, port->count);
diff --git a/net/irda/iriap.c b/net/irda/iriap.c
index e71e85ba2bf1..29340a9a6fb9 100644
--- a/net/irda/iriap.c
+++ b/net/irda/iriap.c
@@ -495,8 +495,11 @@ static void iriap_getvaluebyclass_confirm(struct iriap_cb *self,
/* case CS_ISO_8859_9: */
/* case CS_UNICODE: */
default:
- IRDA_DEBUG(0, "%s(), charset %s, not supported\n",
- __func__, ias_charset_types[charset]);
+ IRDA_DEBUG(0, "%s(), charset [%d] %s, not supported\n",
+ __func__, charset,
+ charset < ARRAY_SIZE(ias_charset_types) ?
+ ias_charset_types[charset] :
+ "(unknown)");
/* Aborting, close connection! */
iriap_disconnect_request(self);
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 3f4e3afc191a..6a53371dba1f 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -355,6 +355,7 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh
l2tp_xmit_skb(session, skb, session->hdr_len);
sock_put(ps->tunnel_sock);
+ sock_put(sk);
return error;
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index f82b2e606cfd..1ba9dbc0e107 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -1470,7 +1470,8 @@ ip_set_utest(struct sock *ctnl, struct sk_buff *skb,
if (ret == -EAGAIN)
ret = 1;
- return ret < 0 ? ret : ret > 0 ? 0 : -IPSET_ERR_EXIST;
+ return (ret < 0 && ret != -ENOTEMPTY) ? ret :
+ ret > 0 ? 0 : -IPSET_ERR_EXIST;
}
/* Get headed data of a set */
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index 3361170cb262..bb67b98b9797 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -68,7 +68,8 @@ static void nfc_llcp_socket_purge(struct nfc_llcp_sock *sock)
}
}
-static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen)
+static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
+ int err)
{
struct sock *sk;
struct hlist_node *tmp;
@@ -100,7 +101,10 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen)
nfc_llcp_accept_unlink(accept_sk);
+ if (err)
+ accept_sk->sk_err = err;
accept_sk->sk_state = LLCP_CLOSED;
+ accept_sk->sk_state_change(sk);
bh_unlock_sock(accept_sk);
@@ -123,7 +127,10 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen)
continue;
}
+ if (err)
+ sk->sk_err = err;
sk->sk_state = LLCP_CLOSED;
+ sk->sk_state_change(sk);
bh_unlock_sock(sk);
@@ -133,6 +140,36 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen)
}
write_unlock(&local->sockets.lock);
+
+ /*
+ * If we want to keep the listening sockets alive,
+ * we don't touch the RAW ones.
+ */
+ if (listen == true)
+ return;
+
+ write_lock(&local->raw_sockets.lock);
+
+ sk_for_each_safe(sk, tmp, &local->raw_sockets.head) {
+ llcp_sock = nfc_llcp_sock(sk);
+
+ bh_lock_sock(sk);
+
+ nfc_llcp_socket_purge(llcp_sock);
+
+ if (err)
+ sk->sk_err = err;
+ sk->sk_state = LLCP_CLOSED;
+ sk->sk_state_change(sk);
+
+ bh_unlock_sock(sk);
+
+ sock_orphan(sk);
+
+ sk_del_node_init(sk);
+ }
+
+ write_unlock(&local->raw_sockets.lock);
}
struct nfc_llcp_local *nfc_llcp_local_get(struct nfc_llcp_local *local)
@@ -142,14 +179,9 @@ struct nfc_llcp_local *nfc_llcp_local_get(struct nfc_llcp_local *local)
return local;
}
-static void local_release(struct kref *ref)
+static void local_cleanup(struct nfc_llcp_local *local, bool listen)
{
- struct nfc_llcp_local *local;
-
- local = container_of(ref, struct nfc_llcp_local, ref);
-
- list_del(&local->list);
- nfc_llcp_socket_release(local, false);
+ nfc_llcp_socket_release(local, listen, ENXIO);
del_timer_sync(&local->link_timer);
skb_queue_purge(&local->tx_queue);
cancel_work_sync(&local->tx_work);
@@ -159,6 +191,16 @@ static void local_release(struct kref *ref)
del_timer_sync(&local->sdreq_timer);
cancel_work_sync(&local->sdreq_timeout_work);
nfc_llcp_free_sdp_tlv_list(&local->pending_sdreqs);
+}
+
+static void local_release(struct kref *ref)
+{
+ struct nfc_llcp_local *local;
+
+ local = container_of(ref, struct nfc_llcp_local, ref);
+
+ list_del(&local->list);
+ local_cleanup(local, false);
kfree(local);
}
@@ -1433,7 +1475,7 @@ void nfc_llcp_mac_is_down(struct nfc_dev *dev)
return;
/* Close and purge all existing sockets */
- nfc_llcp_socket_release(local, true);
+ nfc_llcp_socket_release(local, true, 0);
}
void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,
@@ -1519,6 +1561,8 @@ void nfc_llcp_unregister_device(struct nfc_dev *dev)
return;
}
+ local_cleanup(local, false);
+
nfc_llcp_local_put(local);
}
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index 827d7d755d09..f1b377e247fe 100644
--- a/net/nfc/llcp/sock.c
+++ b/net/nfc/llcp/sock.c
@@ -396,6 +396,8 @@ struct sock *nfc_llcp_accept_dequeue(struct sock *parent,
pr_debug("Returning sk state %d\n", sk->sk_state);
+ sk_acceptq_removed(parent);
+
return sk;
}
diff --git a/net/rds/message.c b/net/rds/message.c
index f0a4658f3273..aba232f9f308 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -82,10 +82,7 @@ static void rds_message_purge(struct rds_message *rm)
void rds_message_put(struct rds_message *rm)
{
rdsdebug("put rm %p ref %d\n", rm, atomic_read(&rm->m_refcount));
- if (atomic_read(&rm->m_refcount) == 0) {
-printk(KERN_CRIT "danger refcount zero on %p\n", rm);
-WARN_ON(1);
- }
+ WARN(!atomic_read(&rm->m_refcount), "danger refcount zero on %p\n", rm);
if (atomic_dec_and_test(&rm->m_refcount)) {
BUG_ON(!list_empty(&rm->m_sock_item));
BUG_ON(!list_empty(&rm->m_conn_item));
@@ -197,6 +194,9 @@ struct rds_message *rds_message_alloc(unsigned int extra_len, gfp_t gfp)
{
struct rds_message *rm;
+ if (extra_len > KMALLOC_MAX_SIZE - sizeof(struct rds_message))
+ return NULL;
+
rm = kzalloc(sizeof(struct rds_message) + extra_len, gfp);
if (!rm)
goto out;
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index e9a77f621c3d..d51852bba01c 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -298,6 +298,10 @@ static void qfq_update_agg(struct qfq_sched *q, struct qfq_aggregate *agg,
new_num_classes == q->max_agg_classes - 1) /* agg no more full */
hlist_add_head(&agg->nonfull_next, &q->nonfull_aggs);
+ /* The next assignment may let
+ * agg->initial_budget > agg->budgetmax
+ * hold, we will take it into account in charge_actual_service().
+ */
agg->budgetmax = new_num_classes * agg->lmax;
new_agg_weight = agg->class_weight * new_num_classes;
agg->inv_w = ONE_FP/new_agg_weight;
@@ -817,7 +821,7 @@ static void qfq_make_eligible(struct qfq_sched *q)
unsigned long old_vslot = q->oldV >> q->min_slot_shift;
if (vslot != old_vslot) {
- unsigned long mask = (1UL << fls(vslot ^ old_vslot)) - 1;
+ unsigned long mask = (1ULL << fls(vslot ^ old_vslot)) - 1;
qfq_move_groups(q, mask, IR, ER);
qfq_move_groups(q, mask, IB, EB);
}
@@ -988,12 +992,23 @@ static inline struct sk_buff *qfq_peek_skb(struct qfq_aggregate *agg,
/* Update F according to the actual service received by the aggregate. */
static inline void charge_actual_service(struct qfq_aggregate *agg)
{
- /* compute the service received by the aggregate */
- u32 service_received = agg->initial_budget - agg->budget;
+ /* Compute the service received by the aggregate, taking into
+ * account that, after decreasing the number of classes in
+ * agg, it may happen that
+ * agg->initial_budget - agg->budget > agg->bugdetmax
+ */
+ u32 service_received = min(agg->budgetmax,
+ agg->initial_budget - agg->budget);
agg->F = agg->S + (u64)service_received * agg->inv_w;
}
+static inline void qfq_update_agg_ts(struct qfq_sched *q,
+ struct qfq_aggregate *agg,
+ enum update_reason reason);
+
+static void qfq_schedule_agg(struct qfq_sched *q, struct qfq_aggregate *agg);
+
static struct sk_buff *qfq_dequeue(struct Qdisc *sch)
{
struct qfq_sched *q = qdisc_priv(sch);
@@ -1021,7 +1036,7 @@ static struct sk_buff *qfq_dequeue(struct Qdisc *sch)
in_serv_agg->initial_budget = in_serv_agg->budget =
in_serv_agg->budgetmax;
- if (!list_empty(&in_serv_agg->active))
+ if (!list_empty(&in_serv_agg->active)) {
/*
* Still active: reschedule for
* service. Possible optimization: if no other
@@ -1032,8 +1047,9 @@ static struct sk_buff *qfq_dequeue(struct Qdisc *sch)
* handle it, we would need to maintain an
* extra num_active_aggs field.
*/
- qfq_activate_agg(q, in_serv_agg, requeue);
- else if (sch->q.qlen == 0) { /* no aggregate to serve */
+ qfq_update_agg_ts(q, in_serv_agg, requeue);
+ qfq_schedule_agg(q, in_serv_agg);
+ } else if (sch->q.qlen == 0) { /* no aggregate to serve */
q->in_serv_agg = NULL;
return NULL;
}
@@ -1052,7 +1068,15 @@ static struct sk_buff *qfq_dequeue(struct Qdisc *sch)
qdisc_bstats_update(sch, skb);
agg_dequeue(in_serv_agg, cl, len);
- in_serv_agg->budget -= len;
+ /* If lmax is lowered, through qfq_change_class, for a class
+ * owning pending packets with larger size than the new value
+ * of lmax, then the following condition may hold.
+ */
+ if (unlikely(in_serv_agg->budget < len))
+ in_serv_agg->budget = 0;
+ else
+ in_serv_agg->budget -= len;
+
q->V += (u64)len * IWSUM;
pr_debug("qfq dequeue: len %u F %lld now %lld\n",
len, (unsigned long long) in_serv_agg->F,
@@ -1217,17 +1241,11 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
cl->deficit = agg->lmax;
list_add_tail(&cl->alist, &agg->active);
- if (list_first_entry(&agg->active, struct qfq_class, alist) != cl)
- return err; /* aggregate was not empty, nothing else to do */
+ if (list_first_entry(&agg->active, struct qfq_class, alist) != cl ||
+ q->in_serv_agg == agg)
+ return err; /* non-empty or in service, nothing else to do */
- /* recharge budget */
- agg->initial_budget = agg->budget = agg->budgetmax;
-
- qfq_update_agg_ts(q, agg, enqueue);
- if (q->in_serv_agg == NULL)
- q->in_serv_agg = agg;
- else if (agg != q->in_serv_agg)
- qfq_schedule_agg(q, agg);
+ qfq_activate_agg(q, agg, enqueue);
return err;
}
@@ -1261,7 +1279,8 @@ static void qfq_schedule_agg(struct qfq_sched *q, struct qfq_aggregate *agg)
/* group was surely ineligible, remove */
__clear_bit(grp->index, &q->bitmaps[IR]);
__clear_bit(grp->index, &q->bitmaps[IB]);
- } else if (!q->bitmaps[ER] && qfq_gt(roundedS, q->V))
+ } else if (!q->bitmaps[ER] && qfq_gt(roundedS, q->V) &&
+ q->in_serv_agg == NULL)
q->V = roundedS;
grp->S = roundedS;
@@ -1284,8 +1303,15 @@ skip_update:
static void qfq_activate_agg(struct qfq_sched *q, struct qfq_aggregate *agg,
enum update_reason reason)
{
+ agg->initial_budget = agg->budget = agg->budgetmax; /* recharge budg. */
+
qfq_update_agg_ts(q, agg, reason);
- qfq_schedule_agg(q, agg);
+ if (q->in_serv_agg == NULL) { /* no aggr. in service or scheduled */
+ q->in_serv_agg = agg; /* start serving this aggregate */
+ /* update V: to be in service, agg must be eligible */
+ q->oldV = q->V = agg->S;
+ } else if (agg != q->in_serv_agg)
+ qfq_schedule_agg(q, agg);
}
static void qfq_slot_remove(struct qfq_sched *q, struct qfq_group *grp,
@@ -1357,8 +1383,6 @@ static void qfq_deactivate_agg(struct qfq_sched *q, struct qfq_aggregate *agg)
__set_bit(grp->index, &q->bitmaps[s]);
}
}
-
- qfq_update_eligible(q);
}
static void qfq_qlen_notify(struct Qdisc *sch, unsigned long arg)
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index 2b3ef03c6098..12ed45dbe75d 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -155,7 +155,7 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
/* SCTP-AUTH extensions*/
INIT_LIST_HEAD(&ep->endpoint_shared_keys);
- null_key = sctp_auth_shkey_create(0, GFP_KERNEL);
+ null_key = sctp_auth_shkey_create(0, gfp);
if (!null_key)
goto nomem;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index c99458df3f3f..b9070736b8d9 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -5653,6 +5653,9 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
if (len < sizeof(sctp_assoc_t))
return -EINVAL;
+ /* Allow the struct to grow and fill in as much as possible */
+ len = min_t(size_t, len, sizeof(sas));
+
if (copy_from_user(&sas, optval, len))
return -EFAULT;
@@ -5686,9 +5689,6 @@ static int sctp_getsockopt_assoc_stats(struct sock *sk, int len,
/* Mark beginning of a new observation period */
asoc->stats.max_obs_rto = asoc->rto_min;
- /* Allow the struct to grow and fill in as much as possible */
- len = min_t(size_t, len, sizeof(sas));
-
if (put_user(len, optlen))
return -EFAULT;
diff --git a/net/sctp/ssnmap.c b/net/sctp/ssnmap.c
index 442ad4ed6315..825ea94415b3 100644
--- a/net/sctp/ssnmap.c
+++ b/net/sctp/ssnmap.c
@@ -41,8 +41,6 @@
#include <net/sctp/sctp.h>
#include <net/sctp/sm.h>
-#define MAX_KMALLOC_SIZE 131072
-
static struct sctp_ssnmap *sctp_ssnmap_init(struct sctp_ssnmap *map, __u16 in,
__u16 out);
@@ -65,7 +63,7 @@ struct sctp_ssnmap *sctp_ssnmap_new(__u16 in, __u16 out,
int size;
size = sctp_ssnmap_size(in, out);
- if (size <= MAX_KMALLOC_SIZE)
+ if (size <= KMALLOC_MAX_SIZE)
retval = kmalloc(size, gfp);
else
retval = (struct sctp_ssnmap *)
@@ -82,7 +80,7 @@ struct sctp_ssnmap *sctp_ssnmap_new(__u16 in, __u16 out,
return retval;
fail_map:
- if (size <= MAX_KMALLOC_SIZE)
+ if (size <= KMALLOC_MAX_SIZE)
kfree(retval);
else
free_pages((unsigned long)retval, get_order(size));
@@ -124,7 +122,7 @@ void sctp_ssnmap_free(struct sctp_ssnmap *map)
int size;
size = sctp_ssnmap_size(map->in.len, map->out.len);
- if (size <= MAX_KMALLOC_SIZE)
+ if (size <= KMALLOC_MAX_SIZE)
kfree(map);
else
free_pages((unsigned long)map, get_order(size));
diff --git a/net/sctp/tsnmap.c b/net/sctp/tsnmap.c
index 5f25e0c92c31..396c45174e5b 100644
--- a/net/sctp/tsnmap.c
+++ b/net/sctp/tsnmap.c
@@ -51,7 +51,7 @@
static void sctp_tsnmap_update(struct sctp_tsnmap *map);
static void sctp_tsnmap_find_gap_ack(unsigned long *map, __u16 off,
__u16 len, __u16 *start, __u16 *end);
-static int sctp_tsnmap_grow(struct sctp_tsnmap *map, u16 gap);
+static int sctp_tsnmap_grow(struct sctp_tsnmap *map, u16 size);
/* Initialize a block of memory as a tsnmap. */
struct sctp_tsnmap *sctp_tsnmap_init(struct sctp_tsnmap *map, __u16 len,
@@ -124,7 +124,7 @@ int sctp_tsnmap_mark(struct sctp_tsnmap *map, __u32 tsn,
gap = tsn - map->base_tsn;
- if (gap >= map->len && !sctp_tsnmap_grow(map, gap))
+ if (gap >= map->len && !sctp_tsnmap_grow(map, gap + 1))
return -ENOMEM;
if (!sctp_tsnmap_has_gap(map) && gap == 0) {
@@ -360,23 +360,24 @@ __u16 sctp_tsnmap_num_gabs(struct sctp_tsnmap *map,
return ngaps;
}
-static int sctp_tsnmap_grow(struct sctp_tsnmap *map, u16 gap)
+static int sctp_tsnmap_grow(struct sctp_tsnmap *map, u16 size)
{
unsigned long *new;
unsigned long inc;
u16 len;
- if (gap >= SCTP_TSN_MAP_SIZE)
+ if (size > SCTP_TSN_MAP_SIZE)
return 0;
- inc = ALIGN((gap - map->len),BITS_PER_LONG) + SCTP_TSN_MAP_INCREMENT;
+ inc = ALIGN((size - map->len), BITS_PER_LONG) + SCTP_TSN_MAP_INCREMENT;
len = min_t(u16, map->len + inc, SCTP_TSN_MAP_SIZE);
new = kzalloc(len>>3, GFP_ATOMIC);
if (!new)
return 0;
- bitmap_copy(new, map->tsn_map, map->max_tsn_seen - map->base_tsn);
+ bitmap_copy(new, map->tsn_map,
+ map->max_tsn_seen - map->cumulative_tsn_ack_point);
kfree(map->tsn_map);
map->tsn_map = new;
map->len = len;
diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c
index ada17464b65b..0fd5b3d2df03 100644
--- a/net/sctp/ulpqueue.c
+++ b/net/sctp/ulpqueue.c
@@ -106,6 +106,7 @@ int sctp_ulpq_tail_data(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
{
struct sk_buff_head temp;
struct sctp_ulpevent *event;
+ int event_eor = 0;
/* Create an event from the incoming chunk. */
event = sctp_ulpevent_make_rcvmsg(chunk->asoc, chunk, gfp);
@@ -127,10 +128,12 @@ int sctp_ulpq_tail_data(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
/* Send event to the ULP. 'event' is the sctp_ulpevent for
* very first SKB on the 'temp' list.
*/
- if (event)
+ if (event) {
+ event_eor = (event->msg_flags & MSG_EOR) ? 1 : 0;
sctp_ulpq_tail_event(ulpq, event);
+ }
- return 0;
+ return event_eor;
}
/* Add a new event for propagation to the ULP. */
@@ -540,14 +543,19 @@ static struct sctp_ulpevent *sctp_ulpq_retrieve_partial(struct sctp_ulpq *ulpq)
ctsn = cevent->tsn;
switch (cevent->msg_flags & SCTP_DATA_FRAG_MASK) {
+ case SCTP_DATA_FIRST_FRAG:
+ if (!first_frag)
+ return NULL;
+ goto done;
case SCTP_DATA_MIDDLE_FRAG:
if (!first_frag) {
first_frag = pos;
next_tsn = ctsn + 1;
last_frag = pos;
- } else if (next_tsn == ctsn)
+ } else if (next_tsn == ctsn) {
next_tsn++;
- else
+ last_frag = pos;
+ } else
goto done;
break;
case SCTP_DATA_LAST_FRAG:
@@ -651,6 +659,14 @@ static struct sctp_ulpevent *sctp_ulpq_retrieve_first(struct sctp_ulpq *ulpq)
} else
goto done;
break;
+
+ case SCTP_DATA_LAST_FRAG:
+ if (!first_frag)
+ return NULL;
+ else
+ goto done;
+ break;
+
default:
return NULL;
}
@@ -962,20 +978,43 @@ static __u16 sctp_ulpq_renege_list(struct sctp_ulpq *ulpq,
struct sk_buff_head *list, __u16 needed)
{
__u16 freed = 0;
- __u32 tsn;
- struct sk_buff *skb;
+ __u32 tsn, last_tsn;
+ struct sk_buff *skb, *flist, *last;
struct sctp_ulpevent *event;
struct sctp_tsnmap *tsnmap;
tsnmap = &ulpq->asoc->peer.tsn_map;
- while ((skb = __skb_dequeue_tail(list)) != NULL) {
- freed += skb_headlen(skb);
+ while ((skb = skb_peek_tail(list)) != NULL) {
event = sctp_skb2event(skb);
tsn = event->tsn;
+ /* Don't renege below the Cumulative TSN ACK Point. */
+ if (TSN_lte(tsn, sctp_tsnmap_get_ctsn(tsnmap)))
+ break;
+
+ /* Events in ordering queue may have multiple fragments
+ * corresponding to additional TSNs. Sum the total
+ * freed space; find the last TSN.
+ */
+ freed += skb_headlen(skb);
+ flist = skb_shinfo(skb)->frag_list;
+ for (last = flist; flist; flist = flist->next) {
+ last = flist;
+ freed += skb_headlen(last);
+ }
+ if (last)
+ last_tsn = sctp_skb2event(last)->tsn;
+ else
+ last_tsn = tsn;
+
+ /* Unlink the event, then renege all applicable TSNs. */
+ __skb_unlink(skb, list);
sctp_ulpevent_free(event);
- sctp_tsnmap_renege(tsnmap, tsn);
+ while (TSN_lte(tsn, last_tsn)) {
+ sctp_tsnmap_renege(tsnmap, tsn);
+ tsn++;
+ }
if (freed >= needed)
return freed;
}
@@ -1002,16 +1041,28 @@ void sctp_ulpq_partial_delivery(struct sctp_ulpq *ulpq,
struct sctp_ulpevent *event;
struct sctp_association *asoc;
struct sctp_sock *sp;
+ __u32 ctsn;
+ struct sk_buff *skb;
asoc = ulpq->asoc;
sp = sctp_sk(asoc->base.sk);
/* If the association is already in Partial Delivery mode
- * we have noting to do.
+ * we have nothing to do.
*/
if (ulpq->pd_mode)
return;
+ /* Data must be at or below the Cumulative TSN ACK Point to
+ * start partial delivery.
+ */
+ skb = skb_peek(&asoc->ulpq.reasm);
+ if (skb != NULL) {
+ ctsn = sctp_skb2event(skb)->tsn;
+ if (!TSN_lte(ctsn, sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map)))
+ return;
+ }
+
/* If the user enabled fragment interleave socket option,
* multiple associations can enter partial delivery.
* Otherwise, we can only enter partial delivery if the
@@ -1054,12 +1105,16 @@ void sctp_ulpq_renege(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
}
/* If able to free enough room, accept this chunk. */
if (chunk && (freed >= needed)) {
- __u32 tsn;
- tsn = ntohl(chunk->subh.data_hdr->tsn);
- sctp_tsnmap_mark(&asoc->peer.tsn_map, tsn, chunk->transport);
- sctp_ulpq_tail_data(ulpq, chunk, gfp);
-
- sctp_ulpq_partial_delivery(ulpq, gfp);
+ int retval;
+ retval = sctp_ulpq_tail_data(ulpq, chunk, gfp);
+ /*
+ * Enter partial delivery if chunk has not been
+ * delivered; otherwise, drain the reassembly queue.
+ */
+ if (retval <= 0)
+ sctp_ulpq_partial_delivery(ulpq, gfp);
+ else if (retval == 1)
+ sctp_ulpq_reasm_drain(ulpq);
}
sk_mem_reclaim(asoc->base.sk);