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-rw-r--r--drivers/net/tg3.c20
-rw-r--r--include/linux/netdevice.h4
-rw-r--r--include/net/dst.h12
-rw-r--r--include/net/flow.h1
-rw-r--r--include/net/sch_generic.h14
-rw-r--r--include/net/sctp/structs.h3
-rw-r--r--net/bridge/br_netfilter.c2
-rw-r--r--net/core/dev.c24
-rw-r--r--net/ipv6/ip6_output.c2
-rw-r--r--net/ipv6/ipv6_sockglue.c2
-rw-r--r--net/ipv6/syncookies.c22
-rw-r--r--net/sched/sch_atm.c14
-rw-r--r--net/sched/sch_cbq.c27
-rw-r--r--net/sched/sch_dsmark.c10
-rw-r--r--net/sched/sch_hfsc.c12
-rw-r--r--net/sched/sch_htb.c24
-rw-r--r--net/sched/sch_netem.c5
-rw-r--r--net/sched/sch_prio.c14
-rw-r--r--net/sched/sch_red.c2
-rw-r--r--net/sched/sch_sfq.c8
-rw-r--r--net/sched/sch_tbf.c3
-rw-r--r--net/sctp/ipv6.c8
-rw-r--r--net/sctp/output.c6
-rw-r--r--net/sctp/protocol.c9
24 files changed, 135 insertions, 113 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 26aa37a..d2439b8 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7687,21 +7687,11 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
*/
static int tg3_init_hw(struct tg3 *tp, int reset_phy)
{
- int err;
-
- /* Force the chip into D0. */
- err = tg3_set_power_state(tp, PCI_D0);
- if (err)
- goto out;
-
tg3_switch_clocks(tp);
tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
- err = tg3_reset_hw(tp, reset_phy);
-
-out:
- return err;
+ return tg3_reset_hw(tp, reset_phy);
}
#define TG3_STAT_ADD32(PSTAT, REG) \
@@ -8016,13 +8006,11 @@ static int tg3_open(struct net_device *dev)
netif_carrier_off(tp->dev);
- tg3_full_lock(tp, 0);
-
err = tg3_set_power_state(tp, PCI_D0);
- if (err) {
- tg3_full_unlock(tp);
+ if (err)
return err;
- }
+
+ tg3_full_lock(tp, 0);
tg3_disable_ints(tp);
tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ee583f6..488c56e 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -61,9 +61,7 @@ struct wireless_dev;
#define NET_XMIT_DROP 1 /* skb dropped */
#define NET_XMIT_CN 2 /* congestion notification */
#define NET_XMIT_POLICED 3 /* skb is shot by police */
-#define NET_XMIT_BYPASS 4 /* packet does not leave via dequeue;
- (TC use only - dev_queue_xmit
- returns this as NET_XMIT_SUCCESS) */
+#define NET_XMIT_MASK 0xFFFF /* qdisc flags in net/sch_generic.h */
/* Backlog congestion levels */
#define NET_RX_SUCCESS 0 /* keep 'em coming, baby */
diff --git a/include/net/dst.h b/include/net/dst.h
index c5c318a..8a8b71e 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -252,17 +252,7 @@ static inline int dst_output(struct sk_buff *skb)
/* Input packet from network to transport. */
static inline int dst_input(struct sk_buff *skb)
{
- int err;
-
- for (;;) {
- err = skb->dst->input(skb);
-
- if (likely(err == 0))
- return err;
- /* Oh, Jamal... Seems, I will not forgive you this mess. :-) */
- if (unlikely(err != NET_XMIT_BYPASS))
- return err;
- }
+ return skb->dst->input(skb);
}
static inline struct dst_entry *dst_check(struct dst_entry *dst, u32 cookie)
diff --git a/include/net/flow.h b/include/net/flow.h
index ad16e00..228b247 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -47,7 +47,6 @@ struct flowi {
#define fl4_scope nl_u.ip4_u.scope
__u8 proto;
- __u8 flags;
union {
struct {
__be16 sport;
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index c5bb130..a7abfda 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -343,6 +343,18 @@ static inline unsigned int qdisc_pkt_len(struct sk_buff *skb)
return qdisc_skb_cb(skb)->pkt_len;
}
+/* additional qdisc xmit flags (NET_XMIT_MASK in linux/netdevice.h) */
+enum net_xmit_qdisc_t {
+ __NET_XMIT_STOLEN = 0x00010000,
+ __NET_XMIT_BYPASS = 0x00020000,
+};
+
+#ifdef CONFIG_NET_CLS_ACT
+#define net_xmit_drop_count(e) ((e) & __NET_XMIT_STOLEN ? 0 : 1)
+#else
+#define net_xmit_drop_count(e) (1)
+#endif
+
static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
{
#ifdef CONFIG_NET_SCHED
@@ -355,7 +367,7 @@ static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
static inline int qdisc_enqueue_root(struct sk_buff *skb, struct Qdisc *sch)
{
qdisc_skb_cb(skb)->pkt_len = skb->len;
- return qdisc_enqueue(skb, sch);
+ return qdisc_enqueue(skb, sch) & NET_XMIT_MASK;
}
static inline int __qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch,
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 535a18f..ab1c472 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -524,8 +524,7 @@ static inline void sctp_ssn_skip(struct sctp_stream *stream, __u16 id,
*/
struct sctp_af {
int (*sctp_xmit) (struct sk_buff *skb,
- struct sctp_transport *,
- int ipfragok);
+ struct sctp_transport *);
int (*setsockopt) (struct sock *sk,
int level,
int optname,
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 6e280a8..6a9a6cd 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -113,7 +113,7 @@ void br_netfilter_rtable_init(struct net_bridge *br)
struct rtable *rt = &br->fake_rtable;
atomic_set(&rt->u.dst.__refcnt, 1);
- rt->u.dst.dev = &br->dev;
+ rt->u.dst.dev = br->dev;
rt->u.dst.path = &rt->u.dst;
rt->u.dst.metrics[RTAX_MTU - 1] = 1500;
rt->u.dst.flags = DST_NOXFRM;
diff --git a/net/core/dev.c b/net/core/dev.c
index cbf8009..01993ad 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1805,7 +1805,6 @@ gso:
spin_unlock(root_lock);
- rc = rc == NET_XMIT_BYPASS ? NET_XMIT_SUCCESS : rc;
goto out;
}
@@ -1909,7 +1908,6 @@ int netif_rx(struct sk_buff *skb)
if (queue->input_pkt_queue.qlen <= netdev_max_backlog) {
if (queue->input_pkt_queue.qlen) {
enqueue:
- dev_hold(skb->dev);
__skb_queue_tail(&queue->input_pkt_queue, skb);
local_irq_restore(flags);
return NET_RX_SUCCESS;
@@ -2270,6 +2268,20 @@ out:
return ret;
}
+/* Network device is going away, flush any packets still pending */
+static void flush_backlog(void *arg)
+{
+ struct net_device *dev = arg;
+ struct softnet_data *queue = &__get_cpu_var(softnet_data);
+ struct sk_buff *skb, *tmp;
+
+ skb_queue_walk_safe(&queue->input_pkt_queue, skb, tmp)
+ if (skb->dev == dev) {
+ __skb_unlink(skb, &queue->input_pkt_queue);
+ kfree_skb(skb);
+ }
+}
+
static int process_backlog(struct napi_struct *napi, int quota)
{
int work = 0;
@@ -2279,7 +2291,6 @@ static int process_backlog(struct napi_struct *napi, int quota)
napi->weight = weight_p;
do {
struct sk_buff *skb;
- struct net_device *dev;
local_irq_disable();
skb = __skb_dequeue(&queue->input_pkt_queue);
@@ -2288,14 +2299,9 @@ static int process_backlog(struct napi_struct *napi, int quota)
local_irq_enable();
break;
}
-
local_irq_enable();
- dev = skb->dev;
-
netif_receive_skb(skb);
-
- dev_put(dev);
} while (++work < quota && jiffies == start_time);
return work;
@@ -4169,6 +4175,8 @@ void netdev_run_todo(void)
dev->reg_state = NETREG_UNREGISTERED;
+ on_each_cpu(flush_backlog, dev, 1);
+
netdev_wait_allrefs(dev);
/* paranoia */
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index a027003..a4402de 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -269,7 +269,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
skb->mark = sk->sk_mark;
mtu = dst_mtu(dst);
- if ((skb->len <= mtu) || ipfragok || skb_is_gso(skb)) {
+ if ((skb->len <= mtu) || skb->local_df || skb_is_gso(skb)) {
IP6_INC_STATS(ip6_dst_idev(skb->dst),
IPSTATS_MIB_OUTREQUESTS);
return NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, dst->dev,
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index ea33b26..741cfcd 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -346,6 +346,8 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
*/
if (optlen == 0)
optval = NULL;
+ else if (optval == NULL)
+ goto e_inval;
else if (optlen < sizeof(struct ipv6_opt_hdr) ||
optlen & 0x7 || optlen > 8 * 255)
goto e_inval;
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index a46badd..ec394cf 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -199,10 +199,8 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
ireq6 = inet6_rsk(req);
treq = tcp_rsk(req);
- if (security_inet_conn_request(sk, skb, req)) {
- reqsk_free(req);
- goto out;
- }
+ if (security_inet_conn_request(sk, skb, req))
+ goto out_free;
req->mss = mss;
ireq->rmt_port = th->source;
@@ -255,14 +253,13 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
fl.fl_ip_dport = inet_rsk(req)->rmt_port;
fl.fl_ip_sport = inet_sk(sk)->sport;
security_req_classify_flow(req, &fl);
- if (ip6_dst_lookup(sk, &dst, &fl)) {
- reqsk_free(req);
- goto out;
- }
+ if (ip6_dst_lookup(sk, &dst, &fl))
+ goto out_free;
+
if (final_p)
ipv6_addr_copy(&fl.fl6_dst, final_p);
if ((xfrm_lookup(&dst, &fl, sk, 0)) < 0)
- goto out;
+ goto out_free;
}
req->window_clamp = tp->window_clamp ? :dst_metric(dst, RTAX_WINDOW);
@@ -273,7 +270,10 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
ireq->rcv_wscale = rcv_wscale;
ret = get_cookie_sock(sk, skb, req, dst);
-
-out: return ret;
+out:
+ return ret;
+out_free:
+ reqsk_free(req);
+ return NULL;
}
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 6b517b9..43d3725 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -415,7 +415,7 @@ static int atm_tc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
case TC_ACT_QUEUED:
case TC_ACT_STOLEN:
kfree_skb(skb);
- return NET_XMIT_SUCCESS;
+ return NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
case TC_ACT_SHOT:
kfree_skb(skb);
goto drop;
@@ -432,9 +432,11 @@ static int atm_tc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
ret = qdisc_enqueue(skb, flow->q);
if (ret != 0) {
drop: __maybe_unused
- sch->qstats.drops++;
- if (flow)
- flow->qstats.drops++;
+ if (net_xmit_drop_count(ret)) {
+ sch->qstats.drops++;
+ if (flow)
+ flow->qstats.drops++;
+ }
return ret;
}
sch->bstats.bytes += qdisc_pkt_len(skb);
@@ -455,7 +457,7 @@ drop: __maybe_unused
return 0;
}
tasklet_schedule(&p->task);
- return NET_XMIT_BYPASS;
+ return NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
}
/*
@@ -530,7 +532,7 @@ static int atm_tc_requeue(struct sk_buff *skb, struct Qdisc *sch)
if (!ret) {
sch->q.qlen++;
sch->qstats.requeues++;
- } else {
+ } else if (net_xmit_drop_count(ret)) {
sch->qstats.drops++;
p->link.qstats.drops++;
}
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 14954bf..4e261ce 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -230,7 +230,7 @@ cbq_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
(cl = cbq_class_lookup(q, prio)) != NULL)
return cl;
- *qerr = NET_XMIT_BYPASS;
+ *qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
for (;;) {
int result = 0;
defmap = head->defaults;
@@ -256,7 +256,7 @@ cbq_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
switch (result) {
case TC_ACT_QUEUED:
case TC_ACT_STOLEN:
- *qerr = NET_XMIT_SUCCESS;
+ *qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
case TC_ACT_SHOT:
return NULL;
case TC_ACT_RECLASSIFY:
@@ -377,7 +377,7 @@ cbq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
q->rx_class = cl;
#endif
if (cl == NULL) {
- if (ret == NET_XMIT_BYPASS)
+ if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
kfree_skb(skb);
return ret;
@@ -397,9 +397,11 @@ cbq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
return ret;
}
- sch->qstats.drops++;
- cbq_mark_toplevel(q, cl);
- cl->qstats.drops++;
+ if (net_xmit_drop_count(ret)) {
+ sch->qstats.drops++;
+ cbq_mark_toplevel(q, cl);
+ cl->qstats.drops++;
+ }
return ret;
}
@@ -430,8 +432,10 @@ cbq_requeue(struct sk_buff *skb, struct Qdisc *sch)
cbq_activate_class(cl);
return 0;
}
- sch->qstats.drops++;
- cl->qstats.drops++;
+ if (net_xmit_drop_count(ret)) {
+ sch->qstats.drops++;
+ cl->qstats.drops++;
+ }
return ret;
}
@@ -664,13 +668,15 @@ static int cbq_reshape_fail(struct sk_buff *skb, struct Qdisc *child)
q->rx_class = NULL;
if (cl && (cl = cbq_reclassify(skb, cl)) != NULL) {
+ int ret;
cbq_mark_toplevel(q, cl);
q->rx_class = cl;
cl->q->__parent = sch;
- if (qdisc_enqueue(skb, cl->q) == 0) {
+ ret = qdisc_enqueue(skb, cl->q);
+ if (ret == NET_XMIT_SUCCESS) {
sch->q.qlen++;
sch->bstats.packets++;
sch->bstats.bytes += qdisc_pkt_len(skb);
@@ -678,7 +684,8 @@ static int cbq_reshape_fail(struct sk_buff *skb, struct Qdisc *child)
cbq_activate_class(cl);
return 0;
}
- sch->qstats.drops++;
+ if (net_xmit_drop_count(ret))
+ sch->qstats.drops++;
return 0;
}
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index a935676..edd1298 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -236,7 +236,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch)
case TC_ACT_QUEUED:
case TC_ACT_STOLEN:
kfree_skb(skb);
- return NET_XMIT_SUCCESS;
+ return NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
case TC_ACT_SHOT:
goto drop;
@@ -254,7 +254,8 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch)
err = qdisc_enqueue(skb, p->q);
if (err != NET_XMIT_SUCCESS) {
- sch->qstats.drops++;
+ if (net_xmit_drop_count(err))
+ sch->qstats.drops++;
return err;
}
@@ -267,7 +268,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch)
drop:
kfree_skb(skb);
sch->qstats.drops++;
- return NET_XMIT_BYPASS;
+ return NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
}
static struct sk_buff *dsmark_dequeue(struct Qdisc *sch)
@@ -321,7 +322,8 @@ static int dsmark_requeue(struct sk_buff *skb, struct Qdisc *sch)
err = p->q->ops->requeue(skb, p->q);
if (err != NET_XMIT_SUCCESS) {
- sch->qstats.drops++;
+ if (net_xmit_drop_count(err))
+ sch->qstats.drops++;
return err;
}
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 0ae7d19..c2b8d9c 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1159,14 +1159,14 @@ hfsc_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
if (cl->level == 0)
return cl;
- *qerr = NET_XMIT_BYPASS;
+ *qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
tcf = q->root.filter_list;
while (tcf && (result = tc_classify(skb, tcf, &res)) >= 0) {
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
case TC_ACT_QUEUED:
case TC_ACT_STOLEN:
- *qerr = NET_XMIT_SUCCESS;
+ *qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
case TC_ACT_SHOT:
return NULL;
}
@@ -1578,7 +1578,7 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
cl = hfsc_classify(skb, sch, &err);
if (cl == NULL) {
- if (err == NET_XMIT_BYPASS)
+ if (err & __NET_XMIT_BYPASS)
sch->qstats.drops++;
kfree_skb(skb);
return err;
@@ -1586,8 +1586,10 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
err = qdisc_enqueue(skb, cl->qdisc);
if (unlikely(err != NET_XMIT_SUCCESS)) {
- cl->qstats.drops++;
- sch->qstats.drops++;
+ if (net_xmit_drop_count(err)) {
+ cl->qstats.drops++;
+ sch->qstats.drops++;
+ }
return err;
}
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 75a4095..be35422 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -214,14 +214,14 @@ static struct htb_class *htb_classify(struct sk_buff *skb, struct Qdisc *sch,
if ((cl = htb_find(skb->priority, sch)) != NULL && cl->level == 0)
return cl;
- *qerr = NET_XMIT_BYPASS;
+ *qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
tcf = q->filter_list;
while (tcf && (result = tc_classify(skb, tcf, &res)) >= 0) {
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
case TC_ACT_QUEUED:
case TC_ACT_STOLEN:
- *qerr = NET_XMIT_SUCCESS;
+ *qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
case TC_ACT_SHOT:
return NULL;
}
@@ -567,14 +567,16 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch)
}
#ifdef CONFIG_NET_CLS_ACT
} else if (!cl) {
- if (ret == NET_XMIT_BYPASS)
+ if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
kfree_skb(skb);
return ret;
#endif
- } else if (qdisc_enqueue(skb, cl->un.leaf.q) != NET_XMIT_SUCCESS) {
- sch->qstats.drops++;
- cl->qstats.drops++;
+ } else if ((ret = qdisc_enqueue(skb, cl->un.leaf.q)) != NET_XMIT_SUCCESS) {
+ if (net_xmit_drop_count(ret)) {
+ sch->qstats.drops++;
+ cl->qstats.drops++;
+ }
return NET_XMIT_DROP;
} else {
cl->bstats.packets +=
@@ -610,15 +612,17 @@ static int htb_requeue(struct sk_buff *skb, struct Qdisc *sch)
}
#ifdef CONFIG_NET_CLS_ACT
} else if (!cl) {
- if (ret == NET_XMIT_BYPASS)
+ if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
kfree_skb(skb);
return ret;
#endif
- } else if (cl->un.leaf.q->ops->requeue(skb, cl->un.leaf.q) !=
+ } else if ((ret = cl->un.leaf.q->ops->requeue(skb, cl->un.leaf.q)) !=
NET_XMIT_SUCCESS) {
- sch->qstats.drops++;
- cl->qstats.drops++;
+ if (net_xmit_drop_count(ret)) {
+ sch->qstats.drops++;
+ cl->qstats.drops++;
+ }
return NET_XMIT_DROP;
} else
htb_activate(q, cl);
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index a590857..fb0294d 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -176,7 +176,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
if (count == 0) {
sch->qstats.drops++;
kfree_skb(skb);
- return NET_XMIT_BYPASS;
+ return NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
}
skb_orphan(skb);
@@ -240,8 +240,9 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
sch->q.qlen++;
sch->bstats.bytes += qdisc_pkt_len(skb);
sch->bstats.packets++;
- } else
+ } else if (net_xmit_drop_count(ret)) {
sch->qstats.drops++;
+ }
pr_debug("netem: enqueue ret %d\n", ret);
return ret;
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index f849243..eac1976 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -38,14 +38,14 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
struct tcf_result res;
int err;
- *qerr = NET_XMIT_BYPASS;
+ *qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
if (TC_H_MAJ(skb->priority) != sch->handle) {
err = tc_classify(skb, q->filter_list, &res);
#ifdef CONFIG_NET_CLS_ACT
switch (err) {
case TC_ACT_STOLEN:
case TC_ACT_QUEUED:
- *qerr = NET_XMIT_SUCCESS;
+ *qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
case TC_ACT_SHOT:
return NULL;
}
@@ -74,7 +74,7 @@ prio_enqueue(struct sk_buff *skb, struct Qdisc *sch)
#ifdef CONFIG_NET_CLS_ACT
if (qdisc == NULL) {
- if (ret == NET_XMIT_BYPASS)
+ if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
kfree_skb(skb);
return ret;
@@ -88,7 +88,8 @@ prio_enqueue(struct sk_buff *skb, struct Qdisc *sch)
sch->q.qlen++;
return NET_XMIT_SUCCESS;
}
- sch->qstats.drops++;
+ if (net_xmit_drop_count(ret))
+ sch->qstats.drops++;
return ret;
}
@@ -102,7 +103,7 @@ prio_requeue(struct sk_buff *skb, struct Qdisc* sch)
qdisc = prio_classify(skb, sch, &ret);
#ifdef CONFIG_NET_CLS_ACT
if (qdisc == NULL) {
- if (ret == NET_XMIT_BYPASS)
+ if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
kfree_skb(skb);
return ret;
@@ -114,7 +115,8 @@ prio_requeue(struct sk_buff *skb, struct Qdisc* sch)
sch->qstats.requeues++;
return 0;
}
- sch->qstats.drops++;
+ if (net_xmit_drop_count(ret))
+ sch->qstats.drops++;
return NET_XMIT_DROP;
}
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 3f2d1d7..5da0583 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -97,7 +97,7 @@ static int red_enqueue(struct sk_buff *skb, struct Qdisc* sch)
sch->bstats.bytes += qdisc_pkt_len(skb);
sch->bstats.packets++;
sch->q.qlen++;
- } else {
+ } else if (net_xmit_drop_count(ret)) {
q->stats.pdrop++;
sch->qstats.drops++;
}
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 8589da6..6e041d1 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -171,14 +171,14 @@ static unsigned int sfq_classify(struct sk_buff *skb, struct Qdisc *sch,
if (!q->filter_list)
return sfq_hash(q, skb) + 1;
- *qerr = NET_XMIT_BYPASS;
+ *qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
result = tc_classify(skb, q->filter_list, &res);
if (result >= 0) {
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
case TC_ACT_STOLEN:
case TC_ACT_QUEUED:
- *qerr = NET_XMIT_SUCCESS;
+ *qerr = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
case TC_ACT_SHOT:
return 0;
}
@@ -285,7 +285,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
hash = sfq_classify(skb, sch, &ret);
if (hash == 0) {
- if (ret == NET_XMIT_BYPASS)
+ if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
kfree_skb(skb);
return ret;
@@ -339,7 +339,7 @@ sfq_requeue(struct sk_buff *skb, struct Qdisc *sch)
hash = sfq_classify(skb, sch, &ret);
if (hash == 0) {
- if (ret == NET_XMIT_BYPASS)
+ if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
kfree_skb(skb);
return ret;
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index b296672..7d3b7ff 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -135,7 +135,8 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc* sch)
ret = qdisc_enqueue(skb, q->qdisc);
if (ret != 0) {
- sch->qstats.drops++;
+ if (net_xmit_drop_count(ret))
+ sch->qstats.drops++;
return ret;
}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index a238d683..483a01d 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -195,8 +195,7 @@ out:
}
/* Based on tcp_v6_xmit() in tcp_ipv6.c. */
-static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport,
- int ipfragok)
+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);
@@ -231,7 +230,10 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport,
SCTP_INC_STATS(SCTP_MIB_OUTSCTPPACKS);
- return ip6_xmit(sk, skb, &fl, np->opt, ipfragok);
+ if (!(transport->param_flags & SPP_PMTUD_ENABLE))
+ skb->local_df = 1;
+
+ return ip6_xmit(sk, skb, &fl, np->opt, 0);
}
/* Returns the dst cache entry for the given source and destination ip
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 4568464..0dc4a7d 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -586,10 +586,8 @@ int sctp_packet_transmit(struct sctp_packet *packet)
SCTP_DEBUG_PRINTK("***sctp_transmit_packet*** skb len %d\n",
nskb->len);
- if (tp->param_flags & SPP_PMTUD_ENABLE)
- (*tp->af_specific->sctp_xmit)(nskb, tp, packet->ipfragok);
- else
- (*tp->af_specific->sctp_xmit)(nskb, tp, 1);
+ nskb->local_df = packet->ipfragok;
+ (*tp->af_specific->sctp_xmit)(nskb, tp);
out:
packet->size = packet->overhead;
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index a6e0818..0b65354 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -862,16 +862,21 @@ static int sctp_inet_supported_addrs(const struct sctp_sock *opt,
/* Wrapper routine that calls the ip transmit routine. */
static inline int sctp_v4_xmit(struct sk_buff *skb,
- struct sctp_transport *transport, int ipfragok)
+ struct sctp_transport *transport)
{
+ struct inet_sock *inet = inet_sk(skb->sk);
+
SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, "
"src:%u.%u.%u.%u, dst:%u.%u.%u.%u\n",
__func__, skb, skb->len,
NIPQUAD(skb->rtable->rt_src),
NIPQUAD(skb->rtable->rt_dst));
+ inet->pmtudisc = transport->param_flags & SPP_PMTUD_ENABLE ?
+ IP_PMTUDISC_DO : IP_PMTUDISC_DONT;
+
SCTP_INC_STATS(SCTP_MIB_OUTSCTPPACKS);
- return ip_queue_xmit(skb, ipfragok);
+ return ip_queue_xmit(skb, 0);
}
static struct sctp_af sctp_af_inet;