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Kernel v2.6.25-rc7 /net/sched/sch_atm.c

Filename:/net/sched/sch_atm.c
Lines Added:104
Lines Deleted:104
Also changed in: (Previous) 2.6.25-rc6  2.6.25-rc5  2.6.25-rc4  2.6.25-rc3  2.6.25-rc2  2.6.25-rc1 
(Following) 2.6.25-rc8  2.6.25-rc9  2.6.25  2.6.26-rc8-git3  2.6.26-rc8-git4  2.6.26-rc8-git5 

Location
[  2.6.25-rc7
  [  net
    [  sched
       o  sch_atm.c

Patch

diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index ddc4f2c..3352734 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -16,18 +16,6 @@
 
 extern struct socket *sockfd_lookup(int fd, int *err);   /* @@@ fix this */
 
-#if 0 /* control */
-#define DPRINTK(format,args...) printk(KERN_DEBUG format,##args)
-#else
-#define DPRINTK(format,args...)
-#endif
-
-#if 0 /* data */
-#define D2PRINTK(format,args...) printk(KERN_DEBUG format,##args)
-#else
-#define D2PRINTK(format,args...)
-#endif
-
 /*
  * The ATM queuing discipline provides a framework for invoking classifiers
  * (aka "filters"), which in turn select classes of this queuing discipline.
@@ -49,7 +37,6 @@ extern struct socket *sockfd_lookup(int fd, int *err);   /* @@@ fix this */
  *  - should lock the flow while there is data in the queue (?)
  */
 
-#define PRIV(sch) qdisc_priv(sch)
 #define VCC2FLOW(vcc) ((struct atm_flow_data *) ((vcc)->user_back))
 
 struct atm_flow_data {
@@ -57,7 +44,7 @@ struct atm_flow_data {
    struct tcf_proto   *filter_list;
    struct atm_vcc      *vcc;   /* VCC; NULL if VCC is closed */
    void         (*old_pop)(struct atm_vcc *vcc,
-                  struct sk_buff * skb); /* chaining */
+                  struct sk_buff *skb); /* chaining */
    struct atm_qdisc_data   *parent;   /* parent qdisc */
    struct socket      *sock;      /* for closing */
    u32         classid;   /* x:y type ID */
@@ -84,17 +71,17 @@ static int find_flow(struct atm_qdisc_data *qdisc, struct atm_flow_data *flow)
 {
    struct atm_flow_data *walk;
 
-   DPRINTK("find_flow(qdisc %p,flow %p)\n", qdisc, flow);
+   pr_debug("find_flow(qdisc %p,flow %p)\n", qdisc, flow);
    for (walk = qdisc->flows; walk; walk = walk->next)
       if (walk == flow)
          return 1;
-   DPRINTK("find_flow: not found\n");
+   pr_debug("find_flow: not found\n");
    return 0;
 }
 
 static inline struct atm_flow_data *lookup_flow(struct Qdisc *sch, u32 classid)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow;
 
    for (flow = p->flows; flow; flow = flow->next)
@@ -106,10 +93,10 @@ static inline struct atm_flow_data *lookup_flow(struct Qdisc *sch, u32 classid)
 static int atm_tc_graft(struct Qdisc *sch, unsigned long arg,
          struct Qdisc *new, struct Qdisc **old)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow = (struct atm_flow_data *)arg;
 
-   DPRINTK("atm_tc_graft(sch %p,[qdisc %p],flow %p,new %p,old %p)\n",
+   pr_debug("atm_tc_graft(sch %p,[qdisc %p],flow %p,new %p,old %p)\n",
       sch, p, flow, new, old);
    if (!find_flow(p, flow))
       return -EINVAL;
@@ -125,20 +112,20 @@ static struct Qdisc *atm_tc_leaf(struct Qdisc *sch, unsigned long cl)
 {
    struct atm_flow_data *flow = (struct atm_flow_data *)cl;
 
-   DPRINTK("atm_tc_leaf(sch %p,flow %p)\n", sch, flow);
+   pr_debug("atm_tc_leaf(sch %p,flow %p)\n", sch, flow);
    return flow ? flow->q : NULL;
 }
 
 static unsigned long atm_tc_get(struct Qdisc *sch, u32 classid)
 {
-   struct atm_qdisc_data *p __maybe_unused = PRIV(sch);
+   struct atm_qdisc_data *p __maybe_unused = qdisc_priv(sch);
    struct atm_flow_data *flow;
 
-   DPRINTK("atm_tc_get(sch %p,[qdisc %p],classid %x)\n", sch, p, classid);
+   pr_debug("atm_tc_get(sch %p,[qdisc %p],classid %x)\n", sch, p, classid);
    flow = lookup_flow(sch, classid);
    if (flow)
       flow->ref++;
-   DPRINTK("atm_tc_get: flow %p\n", flow);
+   pr_debug("atm_tc_get: flow %p\n", flow);
    return (unsigned long)flow;
 }
 
@@ -155,14 +142,14 @@ static unsigned long atm_tc_bind_filter(struct Qdisc *sch,
  */
 static void atm_tc_put(struct Qdisc *sch, unsigned long cl)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow = (struct atm_flow_data *)cl;
    struct atm_flow_data **prev;
 
-   DPRINTK("atm_tc_put(sch %p,[qdisc %p],flow %p)\n", sch, p, flow);
+   pr_debug("atm_tc_put(sch %p,[qdisc %p],flow %p)\n", sch, p, flow);
    if (--flow->ref)
       return;
-   DPRINTK("atm_tc_put: destroying\n");
+   pr_debug("atm_tc_put: destroying\n");
    for (prev = &p->flows; *prev; prev = &(*prev)->next)
       if (*prev == flow)
          break;
@@ -171,11 +158,11 @@ static void atm_tc_put(struct Qdisc *sch, unsigned long cl)
       return;
    }
    *prev = flow->next;
-   DPRINTK("atm_tc_put: qdisc %p\n", flow->q);
+   pr_debug("atm_tc_put: qdisc %p\n", flow->q);
    qdisc_destroy(flow->q);
    tcf_destroy_chain(flow->filter_list);
    if (flow->sock) {
-      DPRINTK("atm_tc_put: f_count %d\n",
+      pr_debug("atm_tc_put: f_count %d\n",
          file_count(flow->sock->file));
       flow->vcc->pop = flow->old_pop;
       sockfd_put(flow->sock);
@@ -194,7 +181,7 @@ static void sch_atm_pop(struct atm_vcc *vcc, struct sk_buff *skb)
 {
    struct atm_qdisc_data *p = VCC2FLOW(vcc)->parent;
 
-   D2PRINTK("sch_atm_pop(vcc %p,skb %p,[qdisc %p])\n", vcc, skb, p);
+   pr_debug("sch_atm_pop(vcc %p,skb %p,[qdisc %p])\n", vcc, skb, p);
    VCC2FLOW(vcc)->old_pop(vcc, skb);
    tasklet_schedule(&p->task);
 }
@@ -208,19 +195,24 @@ static const u8 llc_oui_ip[] = {
    0x08, 0x00
 };            /* Ethertype IP (0800) */
 
+static const struct nla_policy atm_policy[TCA_ATM_MAX + 1] = {
+   [TCA_ATM_FD]      = { .type = NLA_U32 },
+   [TCA_ATM_EXCESS]   = { .type = NLA_U32 },
+};
+
 static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
-          struct rtattr **tca, unsigned long *arg)
+          struct nlattr **tca, unsigned long *arg)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow = (struct atm_flow_data *)*arg;
    struct atm_flow_data *excess = NULL;
-   struct rtattr *opt = tca[TCA_OPTIONS - 1];
-   struct rtattr *tb[TCA_ATM_MAX];
+   struct nlattr *opt = tca[TCA_OPTIONS];
+   struct nlattr *tb[TCA_ATM_MAX + 1];
    struct socket *sock;
    int fd, error, hdr_len;
    void *hdr;
 
-   DPRINTK("atm_tc_change(sch %p,[qdisc %p],classid %x,parent %x,"
+   pr_debug("atm_tc_change(sch %p,[qdisc %p],classid %x,parent %x,"
       "flow %p,opt %p)\n", sch, p, classid, parent, flow, opt);
    /*
     * The concept of parents doesn't apply for this qdisc.
@@ -236,34 +228,38 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
     */
    if (flow)
       return -EBUSY;
-   if (opt == NULL || rtattr_parse_nested(tb, TCA_ATM_MAX, opt))
+   if (opt == NULL)
       return -EINVAL;
-   if (!tb[TCA_ATM_FD - 1] || RTA_PAYLOAD(tb[TCA_ATM_FD - 1]) < sizeof(fd))
+
+   error = nla_parse_nested(tb, TCA_ATM_MAX, opt, atm_policy);
+   if (error < 0)
+      return error;
+
+   if (!tb[TCA_ATM_FD])
       return -EINVAL;
-   fd = *(int *)RTA_DATA(tb[TCA_ATM_FD - 1]);
-   DPRINTK("atm_tc_change: fd %d\n", fd);
-   if (tb[TCA_ATM_HDR - 1]) {
-      hdr_len = RTA_PAYLOAD(tb[TCA_ATM_HDR - 1]);
-      hdr = RTA_DATA(tb[TCA_ATM_HDR - 1]);
+   fd = nla_get_u32(tb[TCA_ATM_FD]);
+   pr_debug("atm_tc_change: fd %d\n", fd);
+   if (tb[TCA_ATM_HDR]) {
+      hdr_len = nla_len(tb[TCA_ATM_HDR]);
+      hdr = nla_data(tb[TCA_ATM_HDR]);
    } else {
       hdr_len = RFC1483LLC_LEN;
       hdr = NULL;   /* default LLC/SNAP for IP */
    }
-   if (!tb[TCA_ATM_EXCESS - 1])
+   if (!tb[TCA_ATM_EXCESS])
       excess = NULL;
    else {
-      if (RTA_PAYLOAD(tb[TCA_ATM_EXCESS - 1]) != sizeof(u32))
-         return -EINVAL;
       excess = (struct atm_flow_data *)
-         atm_tc_get(sch, *(u32 *)RTA_DATA(tb[TCA_ATM_EXCESS - 1]));
+         atm_tc_get(sch, nla_get_u32(tb[TCA_ATM_EXCESS]));
       if (!excess)
          return -ENOENT;
    }
-   DPRINTK("atm_tc_change: type %d, payload %d, hdr_len %d\n",
-      opt->rta_type, RTA_PAYLOAD(opt), hdr_len);
-   if (!(sock = sockfd_lookup(fd, &error)))
+   pr_debug("atm_tc_change: type %d, payload %d, hdr_len %d\n",
+       opt->nla_type, nla_len(opt), hdr_len);
+   sock = sockfd_lookup(fd, &error);
+   if (!sock)
       return error;   /* f_count++ */
-   DPRINTK("atm_tc_change: f_count %d\n", file_count(sock->file));
+   pr_debug("atm_tc_change: f_count %d\n", file_count(sock->file));
    if (sock->ops->family != PF_ATMSVC && sock->ops->family != PF_ATMPVC) {
       error = -EPROTOTYPE;
       goto err_out;
@@ -272,7 +268,7 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
       on vcc->send */
    if (classid) {
       if (TC_H_MAJ(classid ^ sch->handle)) {
-         DPRINTK("atm_tc_change: classid mismatch\n");
+         pr_debug("atm_tc_change: classid mismatch\n");
          error = -EINVAL;
          goto err_out;
       }
@@ -286,26 +282,28 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
 
       for (i = 1; i < 0x8000; i++) {
          classid = TC_H_MAKE(sch->handle, 0x8000 | i);
-         if (!(cl = atm_tc_get(sch, classid)))
+         cl = atm_tc_get(sch, classid);
+         if (!cl)
             break;
          atm_tc_put(sch, cl);
       }
    }
-   DPRINTK("atm_tc_change: new id %x\n", classid);
+   pr_debug("atm_tc_change: new id %x\n", classid);
    flow = kzalloc(sizeof(struct atm_flow_data) + hdr_len, GFP_KERNEL);
-   DPRINTK("atm_tc_change: flow %p\n", flow);
+   pr_debug("atm_tc_change: flow %p\n", flow);
    if (!flow) {
       error = -ENOBUFS;
       goto err_out;
    }
    flow->filter_list = NULL;
-   if (!(flow->q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops, classid)))
+   flow->q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops, classid);
+   if (!flow->q)
       flow->q = &noop_qdisc;
-   DPRINTK("atm_tc_change: qdisc %p\n", flow->q);
+   pr_debug("atm_tc_change: qdisc %p\n", flow->q);
    flow->sock = sock;
    flow->vcc = ATM_SD(sock);   /* speedup */
    flow->vcc->user_back = flow;
-   DPRINTK("atm_tc_change: vcc %p\n", flow->vcc);
+   pr_debug("atm_tc_change: vcc %p\n", flow->vcc);
    flow->old_pop = flow->vcc->pop;
    flow->parent = p;
    flow->vcc->pop = sch_atm_pop;
@@ -330,11 +328,11 @@ err_out:
 
 static int atm_tc_delete(struct Qdisc *sch, unsigned long arg)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow = (struct atm_flow_data *)arg;
 
-   DPRINTK("atm_tc_delete(sch %p,[qdisc %p],flow %p)\n", sch, p, flow);
-   if (!find_flow(PRIV(sch), flow))
+   pr_debug("atm_tc_delete(sch %p,[qdisc %p],flow %p)\n", sch, p, flow);
+   if (!find_flow(qdisc_priv(sch), flow))
       return -EINVAL;
    if (flow->filter_list || flow == &p->link)
       return -EBUSY;
@@ -354,10 +352,10 @@ static int atm_tc_delete(struct Qdisc *sch, unsigned long arg)
 
 static void atm_tc_walk(struct Qdisc *sch, struct qdisc_walker *walker)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow;
 
-   DPRINTK("atm_tc_walk(sch %p,[qdisc %p],walker %p)\n", sch, p, walker);
+   pr_debug("atm_tc_walk(sch %p,[qdisc %p],walker %p)\n", sch, p, walker);
    if (walker->stop)
       return;
    for (flow = p->flows; flow; flow = flow->next) {
@@ -372,10 +370,10 @@ static void atm_tc_walk(struct Qdisc *sch, struct qdisc_walker *walker)
 
 static struct tcf_proto **atm_tc_find_tcf(struct Qdisc *sch, unsigned long cl)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow = (struct atm_flow_data *)cl;
 
-   DPRINTK("atm_tc_find_tcf(sch %p,[qdisc %p],flow %p)\n", sch, p, flow);
+   pr_debug("atm_tc_find_tcf(sch %p,[qdisc %p],flow %p)\n", sch, p, flow);
    return flow ? &flow->filter_list : &p->link.filter_list;
 }
 
@@ -383,13 +381,13 @@ static struct tcf_proto **atm_tc_find_tcf(struct Qdisc *sch, unsigned long cl)
 
 static int atm_tc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow = NULL;   /* @@@ */
    struct tcf_result res;
    int result;
    int ret = NET_XMIT_POLICED;
 
-   D2PRINTK("atm_tc_enqueue(skb %p,sch %p,[qdisc %p])\n", skb, sch, p);
+   pr_debug("atm_tc_enqueue(skb %p,sch %p,[qdisc %p])\n", skb, sch, p);
    result = TC_POLICE_OK;   /* be nice to gcc */
    if (TC_H_MAJ(skb->priority) != sch->handle ||
        !(flow = (struct atm_flow_data *)atm_tc_get(sch, skb->priority)))
@@ -430,7 +428,8 @@ static int atm_tc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 #endif
    }
 
-   if ((ret = flow->q->enqueue(skb, flow->q)) != 0) {
+   ret = flow->q->enqueue(skb, flow->q);
+   if (ret != 0) {
 drop: __maybe_unused
       sch->qstats.drops++;
       if (flow)
@@ -468,11 +467,11 @@ drop: __maybe_unused
 static void sch_atm_dequeue(unsigned long data)
 {
    struct Qdisc *sch = (struct Qdisc *)data;
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow;
    struct sk_buff *skb;
 
-   D2PRINTK("sch_atm_dequeue(sch %p,[qdisc %p])\n", sch, p);
+   pr_debug("sch_atm_dequeue(sch %p,[qdisc %p])\n", sch, p);
    for (flow = p->link.next; flow; flow = flow->next)
       /*
        * If traffic is properly shaped, this won't generate nasty
@@ -483,7 +482,7 @@ static void sch_atm_dequeue(unsigned long data)
             (void)flow->q->ops->requeue(skb, flow->q);
             break;
          }
-         D2PRINTK("atm_tc_dequeue: sending on class %p\n", flow);
+         pr_debug("atm_tc_dequeue: sending on class %p\n", flow);
          /* remove any LL header somebody else has attached */
          skb_pull(skb, skb_network_offset(skb));
          if (skb_headroom(skb) < flow->hdr_len) {
@@ -495,7 +494,7 @@ static void sch_atm_dequeue(unsigned long data)
                continue;
             skb = new;
          }
-         D2PRINTK("sch_atm_dequeue: ip %p, data %p\n",
+         pr_debug("sch_atm_dequeue: ip %p, data %p\n",
              skb_network_header(skb), skb->data);
          ATM_SKB(skb)->vcc = flow->vcc;
          memcpy(skb_push(skb, flow->hdr_len), flow->hdr,
@@ -509,10 +508,10 @@ static void sch_atm_dequeue(unsigned long data)
 
 static struct sk_buff *atm_tc_dequeue(struct Qdisc *sch)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct sk_buff *skb;
 
-   D2PRINTK("atm_tc_dequeue(sch %p,[qdisc %p])\n", sch, p);
+   pr_debug("atm_tc_dequeue(sch %p,[qdisc %p])\n", sch, p);
    tasklet_schedule(&p->task);
    skb = p->link.q->dequeue(p->link.q);
    if (skb)
@@ -522,10 +521,10 @@ static struct sk_buff *atm_tc_dequeue(struct Qdisc *sch)
 
 static int atm_tc_requeue(struct sk_buff *skb, struct Qdisc *sch)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    int ret;
 
-   D2PRINTK("atm_tc_requeue(skb %p,sch %p,[qdisc %p])\n", skb, sch, p);
+   pr_debug("atm_tc_requeue(skb %p,sch %p,[qdisc %p])\n", skb, sch, p);
    ret = p->link.q->ops->requeue(skb, p->link.q);
    if (!ret) {
       sch->q.qlen++;
@@ -539,27 +538,27 @@ static int atm_tc_requeue(struct sk_buff *skb, struct Qdisc *sch)
 
 static unsigned int atm_tc_drop(struct Qdisc *sch)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow;
    unsigned int len;
 
-   DPRINTK("atm_tc_drop(sch %p,[qdisc %p])\n", sch, p);
+   pr_debug("atm_tc_drop(sch %p,[qdisc %p])\n", sch, p);
    for (flow = p->flows; flow; flow = flow->next)
       if (flow->q->ops->drop && (len = flow->q->ops->drop(flow->q)))
          return len;
    return 0;
 }
 
-static int atm_tc_init(struct Qdisc *sch, struct rtattr *opt)
+static int atm_tc_init(struct Qdisc *sch, struct nlattr *opt)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
 
-   DPRINTK("atm_tc_init(sch %p,[qdisc %p],opt %p)\n", sch, p, opt);
+   pr_debug("atm_tc_init(sch %p,[qdisc %p],opt %p)\n", sch, p, opt);
    p->flows = &p->link;
-   if (!(p->link.q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops,
-                   sch->handle)))
+   p->link.q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops, sch->handle);
+   if (!p->link.q)
       p->link.q = &noop_qdisc;
-   DPRINTK("atm_tc_init: link (%p) qdisc %p\n", &p->link, p->link.q);
+   pr_debug("atm_tc_init: link (%p) qdisc %p\n", &p->link, p->link.q);
    p->link.filter_list = NULL;
    p->link.vcc = NULL;
    p->link.sock = NULL;
@@ -572,10 +571,10 @@ static int atm_tc_init(struct Qdisc *sch, struct rtattr *opt)
 
 static void atm_tc_reset(struct Qdisc *sch)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow;
 
-   DPRINTK("atm_tc_reset(sch %p,[qdisc %p])\n", sch, p);
+   pr_debug("atm_tc_reset(sch %p,[qdisc %p])\n", sch, p);
    for (flow = p->flows; flow; flow = flow->next)
       qdisc_reset(flow->q);
    sch->q.qlen = 0;
@@ -583,10 +582,10 @@ static void atm_tc_reset(struct Qdisc *sch)
 
 static void atm_tc_destroy(struct Qdisc *sch)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow;
 
-   DPRINTK("atm_tc_destroy(sch %p,[qdisc %p])\n", sch, p);
+   pr_debug("atm_tc_destroy(sch %p,[qdisc %p])\n", sch, p);
    /* races ? */
    while ((flow = p->flows)) {
       tcf_destroy_chain(flow->filter_list);
@@ -608,20 +607,22 @@ static void atm_tc_destroy(struct Qdisc *sch)
 static int atm_tc_dump_class(struct Qdisc *sch, unsigned long cl,
               struct sk_buff *skb, struct tcmsg *tcm)
 {
-   struct atm_qdisc_data *p = PRIV(sch);
+   struct atm_qdisc_data *p = qdisc_priv(sch);
    struct atm_flow_data *flow = (struct atm_flow_data *)cl;
-   unsigned char *b = skb_tail_pointer(skb);
-   struct rtattr *rta;
+   struct nlattr *nest;
 
-   DPRINTK("atm_tc_dump_class(sch %p,[qdisc %p],flow %p,skb %p,tcm %p)\n",
+   pr_debug("atm_tc_dump_class(sch %p,[qdisc %p],flow %p,skb %p,tcm %p)\n",
       sch, p, flow, skb, tcm);
    if (!find_flow(p, flow))
       return -EINVAL;
    tcm->tcm_handle = flow->classid;
    tcm->tcm_info = flow->q->handle;
-   rta = (struct rtattr *)b;
-   RTA_PUT(skb, TCA_OPTIONS, 0, NULL);
-   RTA_PUT(skb, TCA_ATM_HDR, flow->hdr_len, flow->hdr);
+
+   nest = nla_nest_start(skb, TCA_OPTIONS);
+   if (nest == NULL)
+      goto nla_put_failure;
+
+   NLA_PUT(skb, TCA_ATM_HDR, flow->hdr_len, flow->hdr);
    if (flow->vcc) {
       struct sockaddr_atmpvc pvc;
       int state;
@@ -630,22 +631,21 @@ static int atm_tc_dump_class(struct Qdisc *sch, unsigned long cl,
       pvc.sap_addr.itf = flow->vcc->dev ? flow->vcc->dev->number : -1;
       pvc.sap_addr.vpi = flow->vcc->vpi;
       pvc.sap_addr.vci = flow->vcc->vci;
-      RTA_PUT(skb, TCA_ATM_ADDR, sizeof(pvc), &pvc);
+      NLA_PUT(skb, TCA_ATM_ADDR, sizeof(pvc), &pvc);
       state = ATM_VF2VS(flow->vcc->flags);
-      RTA_PUT(skb, TCA_ATM_STATE, sizeof(state), &state);
+      NLA_PUT_U32(skb, TCA_ATM_STATE, state);
    }
    if (flow->excess)
-      RTA_PUT(skb, TCA_ATM_EXCESS, sizeof(u32), &flow->classid);
+      NLA_PUT_U32(skb, TCA_ATM_EXCESS, flow->classid);
    else {
-      static u32 zero;
-
-      RTA_PUT(skb, TCA_ATM_EXCESS, sizeof(zero), &zero);
+      NLA_PUT_U32(skb, TCA_ATM_EXCESS, 0);
    }
-   rta->rta_len = skb_tail_pointer(skb) - b;
+
+   nla_nest_end(skb, nest);
    return skb->len;
 
-rtattr_failure:
-   nlmsg_trim(skb, b);
+nla_put_failure:
+   nla_nest_cancel(skb, nest);
    return -1;
 }
 static int
@@ -668,7 +668,7 @@ static int atm_tc_dump(struct Qdisc *sch, struct sk_buff *skb)
    return 0;
 }
 
-static struct Qdisc_class_ops atm_class_ops = {
+static const struct Qdisc_class_ops atm_class_ops = {
    .graft      = atm_tc_graft,
    .leaf      = atm_tc_leaf,
    .get      = atm_tc_get,
@@ -683,7 +683,7 @@ static struct Qdisc_class_ops atm_class_ops = {
    .dump_stats   = atm_tc_dump_class_stats,
 };
 
-static struct Qdisc_ops atm_qdisc_ops = {
+static struct Qdisc_ops atm_qdisc_ops __read_mostly = {
    .cl_ops      = &atm_class_ops,
    .id      = "atm",
    .priv_size   = sizeof(struct atm_qdisc_data),


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