Merge linux-stable 3.0.28 into android-3.0

[firefly-linux-kernel-4.4.55.git] / include / net / sch_generic.h

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index a9505b6a18e3365249cf663363bac9e29a257266..f1fbe2d5e0559e580bb5e01a893106dbcffd4eca 100644 (file)
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -25,6 +25,7 @@ struct qdisc_rate_table {
 enum qdisc_state_t {
        __QDISC_STATE_SCHED,
        __QDISC_STATE_DEACTIVATED,
+       __QDISC_STATE_THROTTLED,
 };
 
 /*
@@ -32,7 +33,6 @@ enum qdisc_state_t {
  */
 enum qdisc___state_t {
        __QDISC___STATE_RUNNING = 1,
-       __QDISC___STATE_THROTTLED = 2,
 };
 
 struct qdisc_size_table {
@@ -106,17 +106,17 @@ static inline void qdisc_run_end(struct Qdisc *qdisc)
 
 static inline bool qdisc_is_throttled(const struct Qdisc *qdisc)
 {
-       return (qdisc->__state & __QDISC___STATE_THROTTLED) ? true : false;
+       return test_bit(__QDISC_STATE_THROTTLED, &qdisc->state) ? true : false;
 }
 
 static inline void qdisc_throttled(struct Qdisc *qdisc)
 {
-       qdisc->__state |= __QDISC___STATE_THROTTLED;
+       set_bit(__QDISC_STATE_THROTTLED, &qdisc->state);
 }
 
 static inline void qdisc_unthrottled(struct Qdisc *qdisc)
 {
-       qdisc->__state &= ~__QDISC___STATE_THROTTLED;
+       clear_bit(__QDISC_STATE_THROTTLED, &qdisc->state);
 }
 
 struct Qdisc_class_ops {
@@ -219,9 +219,16 @@ struct tcf_proto {
 
 struct qdisc_skb_cb {
        unsigned int            pkt_len;
-       long                    data[];
+       unsigned char           data[24];
 };
 
+static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz)
+{
+       struct qdisc_skb_cb *qcb;
+       BUILD_BUG_ON(sizeof(skb->cb) < sizeof(unsigned int) + sz);
+       BUILD_BUG_ON(sizeof(qcb->data) < sz);
+}
+
 static inline int qdisc_qlen(struct Qdisc *q)
 {
        return q->q.qlen;