[NET_SCHED]: sch_atm: Lindent
authorPatrick McHardy <kaber@trash.net>
Sun, 15 Jul 2007 07:01:25 +0000 (00:01 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sun, 15 Jul 2007 07:01:25 +0000 (00:01 -0700)
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/sch_atm.c

index 54b92d22796c26e5fc220e112d51ea0981ee2a9e..9b458c403fa02d6adb722bea6f23b0d3995715c0 100644 (file)
@@ -2,7 +2,6 @@
 
 /* Written 1998-2000 by Werner Almesberger, EPFL ICA */
 
-
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/string.h>
 #include <linux/atmdev.h>
 #include <linux/atmclip.h>
 #include <linux/rtnetlink.h>
-#include <linux/file.h> /* for fput */
+#include <linux/file.h>                /* for fput */
 #include <net/netlink.h>
 #include <net/pkt_sched.h>
 
-
-extern struct socket *sockfd_lookup(int fd, int *err); /* @@@ fix this */
+extern struct socket *sockfd_lookup(int fd, int *err); /* @@@ fix this */
 
 #if 0 /* control */
 #define DPRINTK(format,args...) printk(KERN_DEBUG format,##args)
@@ -30,7 +28,6 @@ extern struct socket *sockfd_lookup(int fd, int *err); /* @@@ fix this */
 #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.
@@ -52,16 +49,15 @@ 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 {
-       struct Qdisc            *q;             /* FIFO, TBF, etc. */
+       struct Qdisc            *q;     /* FIFO, TBF, etc. */
        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 atm_vcc          *vcc;   /* VCC; NULL if VCC is closed */
+       void                    (*old_pop)(struct atm_vcc *vcc,
+                                          struct sk_buff * skb); /* chaining */
        struct atm_qdisc_data   *parent;        /* parent qdisc */
        struct socket           *sock;          /* for closing */
        u32                     classid;        /* x:y type ID */
@@ -82,76 +78,74 @@ struct atm_qdisc_data {
        struct tasklet_struct   task;           /* requeue tasklet */
 };
 
-
 /* ------------------------- Class/flow operations ------------------------- */
 
-
-static int find_flow(struct atm_qdisc_data *qdisc,struct atm_flow_data *flow)
+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);
+       DPRINTK("find_flow(qdisc %p,flow %p)\n", qdisc, flow);
        for (walk = qdisc->flows; walk; walk = walk->next)
-               if (walk == flow) return 1;
+               if (walk == flow)
+                       return 1;
        DPRINTK("find_flow: not found\n");
        return 0;
 }
 
-
-static __inline__ struct atm_flow_data *lookup_flow(struct Qdisc *sch,
-    u32 classid)
+static inline struct atm_flow_data *lookup_flow(struct Qdisc *sch, u32 classid)
 {
        struct atm_qdisc_data *p = PRIV(sch);
        struct atm_flow_data *flow;
 
        for (flow = p->flows; flow; flow = flow->next)
-               if (flow->classid == classid) break;
+               if (flow->classid == classid)
+                       break;
        return flow;
 }
 
-
-static int atm_tc_graft(struct Qdisc *sch,unsigned long arg,
-    struct Qdisc *new,struct Qdisc **old)
+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_flow_data *flow = (struct atm_flow_data *) arg;
-
-       DPRINTK("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;
-       if (!new) new = &noop_qdisc;
-       *old = xchg(&flow->q,new);
-       if (*old) qdisc_reset(*old);
+       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",
+               sch, p, flow, new, old);
+       if (!find_flow(p, flow))
+               return -EINVAL;
+       if (!new)
+               new = &noop_qdisc;
+       *old = xchg(&flow->q, new);
+       if (*old)
+               qdisc_reset(*old);
        return 0;
 }
 
-
-static struct Qdisc *atm_tc_leaf(struct Qdisc *sch,unsigned long cl)
+static struct Qdisc *atm_tc_leaf(struct Qdisc *sch, unsigned long cl)
 {
-       struct atm_flow_data *flow = (struct atm_flow_data *) cl;
+       struct atm_flow_data *flow = (struct atm_flow_data *)cl;
 
-       DPRINTK("atm_tc_leaf(sch %p,flow %p)\n",sch,flow);
+       DPRINTK("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)
+static unsigned long atm_tc_get(struct Qdisc *sch, u32 classid)
 {
-       struct atm_qdisc_data *p __attribute__((unused)) = PRIV(sch);
+       struct atm_qdisc_data *p __maybe_unused = PRIV(sch);
        struct atm_flow_data *flow;
 
-       DPRINTK("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);
-       return (unsigned long) flow;
+       DPRINTK("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);
+       return (unsigned long)flow;
 }
 
-
 static unsigned long atm_tc_bind_filter(struct Qdisc *sch,
-    unsigned long parent, u32 classid)
+                                       unsigned long parent, u32 classid)
 {
-       return atm_tc_get(sch,classid);
+       return atm_tc_get(sch, classid);
 }
 
 /*
@@ -159,72 +153,75 @@ static unsigned long atm_tc_bind_filter(struct Qdisc *sch,
  * requested (atm_tc_destroy, etc.). The assumption here is that we never drop
  * anything that still seems to be in use.
  */
-
 static void atm_tc_put(struct Qdisc *sch, unsigned long cl)
 {
        struct atm_qdisc_data *p = PRIV(sch);
-       struct atm_flow_data *flow = (struct atm_flow_data *) cl;
+       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);
-       if (--flow->ref) return;
+       DPRINTK("atm_tc_put(sch %p,[qdisc %p],flow %p)\n", sch, p, flow);
+       if (--flow->ref)
+               return;
        DPRINTK("atm_tc_put: destroying\n");
        for (prev = &p->flows; *prev; prev = &(*prev)->next)
-               if (*prev == flow) break;
+               if (*prev == flow)
+                       break;
        if (!*prev) {
-               printk(KERN_CRIT "atm_tc_put: class %p not found\n",flow);
+               printk(KERN_CRIT "atm_tc_put: class %p not found\n", flow);
                return;
        }
        *prev = flow->next;
-       DPRINTK("atm_tc_put: qdisc %p\n",flow->q);
+       DPRINTK("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",
-                   file_count(flow->sock->file));
+                       file_count(flow->sock->file));
                flow->vcc->pop = flow->old_pop;
                sockfd_put(flow->sock);
        }
-       if (flow->excess) atm_tc_put(sch,(unsigned long) flow->excess);
-       if (flow != &p->link) kfree(flow);
+       if (flow->excess)
+               atm_tc_put(sch, (unsigned long)flow->excess);
+       if (flow != &p->link)
+               kfree(flow);
        /*
         * If flow == &p->link, the qdisc no longer works at this point and
         * needs to be removed. (By the caller of atm_tc_put.)
         */
 }
 
-
-static void sch_atm_pop(struct atm_vcc *vcc,struct sk_buff *skb)
+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);
-       VCC2FLOW(vcc)->old_pop(vcc,skb);
+       D2PRINTK("sch_atm_pop(vcc %p,skb %p,[qdisc %p])\n", vcc, skb, p);
+       VCC2FLOW(vcc)->old_pop(vcc, skb);
        tasklet_schedule(&p->task);
 }
 
 static const u8 llc_oui_ip[] = {
-       0xaa,           /* DSAP: non-ISO */
-       0xaa,           /* SSAP: non-ISO */
-       0x03,           /* Ctrl: Unnumbered Information Command PDU */
-       0x00,           /* OUI: EtherType */
+       0xaa,                   /* DSAP: non-ISO */
+       0xaa,                   /* SSAP: non-ISO */
+       0x03,                   /* Ctrl: Unnumbered Information Command PDU */
+       0x00,                   /* OUI: EtherType */
        0x00, 0x00,
-       0x08, 0x00 };   /* Ethertype IP (0800) */
+       0x08, 0x00
+};                             /* Ethertype IP (0800) */
 
 static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
-    struct rtattr **tca, unsigned long *arg)
+                        struct rtattr **tca, unsigned long *arg)
 {
        struct atm_qdisc_data *p = PRIV(sch);
-       struct atm_flow_data *flow = (struct atm_flow_data *) *arg;
+       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 *opt = tca[TCA_OPTIONS - 1];
        struct rtattr *tb[TCA_ATM_MAX];
        struct socket *sock;
-       int fd,error,hdr_len;
+       int fd, error, hdr_len;
        void *hdr;
 
        DPRINTK("atm_tc_change(sch %p,[qdisc %p],classid %x,parent %x,"
-           "flow %p,opt %p)\n",sch,p,classid,parent,flow,opt);
+               "flow %p,opt %p)\n", sch, p, classid, parent, flow, opt);
        /*
         * The concept of parents doesn't apply for this qdisc.
         */
@@ -237,33 +234,36 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
         * class needs to be removed and a new one added. (This may be changed
         * later.)
         */
-       if (flow) return -EBUSY;
+       if (flow)
+               return -EBUSY;
        if (opt == NULL || rtattr_parse_nested(tb, TCA_ATM_MAX, opt))
                return -EINVAL;
-       if (!tb[TCA_ATM_FD-1] || RTA_PAYLOAD(tb[TCA_ATM_FD-1]) < sizeof(fd))
+       if (!tb[TCA_ATM_FD - 1] || RTA_PAYLOAD(tb[TCA_ATM_FD - 1]) < sizeof(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]);
-       }
-       else {
+       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]);
+       } else {
                hdr_len = RFC1483LLC_LEN;
-               hdr = NULL; /* default LLC/SNAP for IP */
+               hdr = NULL;     /* default LLC/SNAP for IP */
        }
-       if (!tb[TCA_ATM_EXCESS-1]) excess = NULL;
+       if (!tb[TCA_ATM_EXCESS - 1])
+               excess = NULL;
        else {
-               if (RTA_PAYLOAD(tb[TCA_ATM_EXCESS-1]) != sizeof(u32))
+               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]));
-               if (!excess) return -ENOENT;
+               excess = (struct atm_flow_data *)
+                       atm_tc_get(sch, *(u32 *)RTA_DATA(tb[TCA_ATM_EXCESS - 1]));
+               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))) return error; /* f_count++ */
-       DPRINTK("atm_tc_change: f_count %d\n",file_count(sock->file));
+               opt->rta_type, RTA_PAYLOAD(opt), hdr_len);
+       if (!(sock = sockfd_lookup(fd, &error)))
+               return error;   /* f_count++ */
+       DPRINTK("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;
@@ -276,37 +276,37 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
                        error = -EINVAL;
                        goto err_out;
                }
-               if (find_flow(p,flow)) {
+               if (find_flow(p, flow)) {
                        error = -EEXIST;
                        goto err_out;
                }
-       }
-       else {
+       } else {
                int i;
                unsigned long cl;
 
                for (i = 1; i < 0x8000; i++) {
-                       classid = TC_H_MAKE(sch->handle,0x8000 | i);
-                       if (!(cl = atm_tc_get(sch,classid))) break;
-                       atm_tc_put(sch,cl);
+                       classid = TC_H_MAKE(sch->handle, 0x8000 | i);
+                       if (!(cl = atm_tc_get(sch, classid)))
+                               break;
+                       atm_tc_put(sch, cl);
                }
        }
-       DPRINTK("atm_tc_change: new id %x\n",classid);
-       flow = kmalloc(sizeof(struct atm_flow_data)+hdr_len,GFP_KERNEL);
-       DPRINTK("atm_tc_change: flow %p\n",flow);
+       DPRINTK("atm_tc_change: new id %x\n", classid);
+       flow = kmalloc(sizeof(struct atm_flow_data) + hdr_len, GFP_KERNEL);
+       DPRINTK("atm_tc_change: flow %p\n", flow);
        if (!flow) {
                error = -ENOBUFS;
                goto err_out;
        }
-       memset(flow,0,sizeof(*flow));
+       memset(flow, 0, sizeof(*flow));
        flow->filter_list = NULL;
-       if (!(flow->q = qdisc_create_dflt(sch->dev,&pfifo_qdisc_ops,classid)))
+       if (!(flow->q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops, classid)))
                flow->q = &noop_qdisc;
-       DPRINTK("atm_tc_change: qdisc %p\n",flow->q);
+       DPRINTK("atm_tc_change: qdisc %p\n", flow->q);
        flow->sock = sock;
-       flow->vcc = ATM_SD(sock); /* speedup */
+       flow->vcc = ATM_SD(sock);       /* speedup */
        flow->vcc->user_back = flow;
-       DPRINTK("atm_tc_change: vcc %p\n",flow->vcc);
+       DPRINTK("atm_tc_change: vcc %p\n", flow->vcc);
        flow->old_pop = flow->vcc->pop;
        flow->parent = p;
        flow->vcc->pop = sch_atm_pop;
@@ -317,50 +317,53 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
        p->link.next = flow;
        flow->hdr_len = hdr_len;
        if (hdr)
-               memcpy(flow->hdr,hdr,hdr_len);
+               memcpy(flow->hdr, hdr, hdr_len);
        else
-               memcpy(flow->hdr,llc_oui_ip,sizeof(llc_oui_ip));
-       *arg = (unsigned long) flow;
+               memcpy(flow->hdr, llc_oui_ip, sizeof(llc_oui_ip));
+       *arg = (unsigned long)flow;
        return 0;
 err_out:
-       if (excess) atm_tc_put(sch,(unsigned long) excess);
+       if (excess)
+               atm_tc_put(sch, (unsigned long)excess);
        sockfd_put(sock);
        return error;
 }
 
-
-static int atm_tc_delete(struct Qdisc *sch,unsigned long arg)
+static int atm_tc_delete(struct Qdisc *sch, unsigned long arg)
 {
        struct atm_qdisc_data *p = PRIV(sch);
-       struct atm_flow_data *flow = (struct atm_flow_data *) arg;
+       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)) return -EINVAL;
-       if (flow->filter_list || flow == &p->link) return -EBUSY;
+       DPRINTK("atm_tc_delete(sch %p,[qdisc %p],flow %p)\n", sch, p, flow);
+       if (!find_flow(PRIV(sch), flow))
+               return -EINVAL;
+       if (flow->filter_list || flow == &p->link)
+               return -EBUSY;
        /*
         * Reference count must be 2: one for "keepalive" (set at class
         * creation), and one for the reference held when calling delete.
         */
        if (flow->ref < 2) {
-               printk(KERN_ERR "atm_tc_delete: flow->ref == %d\n",flow->ref);
+               printk(KERN_ERR "atm_tc_delete: flow->ref == %d\n", flow->ref);
                return -EINVAL;
        }
-       if (flow->ref > 2) return -EBUSY; /* catch references via excess, etc.*/
-       atm_tc_put(sch,arg);
+       if (flow->ref > 2)
+               return -EBUSY;  /* catch references via excess, etc. */
+       atm_tc_put(sch, arg);
        return 0;
 }
 
-
-static void atm_tc_walk(struct Qdisc *sch,struct qdisc_walker *walker)
+static void atm_tc_walk(struct Qdisc *sch, struct qdisc_walker *walker)
 {
        struct atm_qdisc_data *p = PRIV(sch);
        struct atm_flow_data *flow;
 
-       DPRINTK("atm_tc_walk(sch %p,[qdisc %p],walker %p)\n",sch,p,walker);
-       if (walker->stop) return;
+       DPRINTK("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) {
                if (walker->count >= walker->skip)
-                       if (walker->fn(sch,(unsigned long) flow,walker) < 0) {
+                       if (walker->fn(sch, (unsigned long)flow, walker) < 0) {
                                walker->stop = 1;
                                break;
                        }
@@ -368,73 +371,74 @@ 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)
+static struct tcf_proto **atm_tc_find_tcf(struct Qdisc *sch, unsigned long cl)
 {
        struct atm_qdisc_data *p = PRIV(sch);
-       struct atm_flow_data *flow = (struct atm_flow_data *) cl;
+       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);
+       DPRINTK("atm_tc_find_tcf(sch %p,[qdisc %p],flow %p)\n", sch, p, flow);
        return flow ? &flow->filter_list : &p->link.filter_list;
 }
 
-
 /* --------------------------- Qdisc operations ---------------------------- */
 
-
-static int atm_tc_enqueue(struct sk_buff *skb,struct Qdisc *sch)
+static int atm_tc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 {
        struct atm_qdisc_data *p = PRIV(sch);
-       struct atm_flow_data *flow = NULL ; /* @@@ */
+       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);
-       result = TC_POLICE_OK; /* be nice to gcc */
+       D2PRINTK("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)))
+           !(flow = (struct atm_flow_data *)atm_tc_get(sch, skb->priority)))
                for (flow = p->flows; flow; flow = flow->next)
                        if (flow->filter_list) {
-                               result = tc_classify(skb,flow->filter_list,
-                                   &res);
-                               if (result < 0) continue;
-                               flow = (struct atm_flow_data *) res.class;
-                               if (!flow) flow = lookup_flow(sch,res.classid);
+                               result = tc_classify(skb, flow->filter_list,
+                                                    &res);
+                               if (result < 0)
+                                       continue;
+                               flow = (struct atm_flow_data *)res.class;
+                               if (!flow)
+                                       flow = lookup_flow(sch, res.classid);
                                break;
                        }
-       if (!flow) flow = &p->link;
+       if (!flow)
+               flow = &p->link;
        else {
                if (flow->vcc)
                        ATM_SKB(skb)->atm_options = flow->vcc->atm_options;
-                       /*@@@ looks good ... but it's not supposed to work :-)*/
+               /*@@@ looks good ... but it's not supposed to work :-) */
 #ifdef CONFIG_NET_CLS_POLICE
                switch (result) {
-                       case TC_POLICE_SHOT:
-                               kfree_skb(skb);
-                               break;
-                       case TC_POLICE_RECLASSIFY:
-                               if (flow->excess) flow = flow->excess;
-                               else {
-                                       ATM_SKB(skb)->atm_options |=
-                                           ATM_ATMOPT_CLP;
-                                       break;
-                               }
-                               /* fall through */
-                       case TC_POLICE_OK:
-                               /* fall through */
-                       default:
+               case TC_POLICE_SHOT:
+                       kfree_skb(skb);
+                       break;
+               case TC_POLICE_RECLASSIFY:
+                       if (flow->excess)
+                               flow = flow->excess;
+                       else {
+                               ATM_SKB(skb)->atm_options |= ATM_ATMOPT_CLP;
                                break;
+                       }
+                       /* fall through */
+               case TC_POLICE_OK:
+                       /* fall through */
+               default:
+                       break;
                }
 #endif
        }
        if (
 #ifdef CONFIG_NET_CLS_POLICE
-           result == TC_POLICE_SHOT ||
+                  result == TC_POLICE_SHOT ||
 #endif
-           (ret = flow->q->enqueue(skb,flow->q)) != 0) {
+                  (ret = flow->q->enqueue(skb, flow->q)) != 0) {
                sch->qstats.drops++;
-               if (flow) flow->qstats.drops++;
+               if (flow)
+                       flow->qstats.drops++;
                return ret;
        }
        sch->bstats.bytes += skb->len;
@@ -458,7 +462,6 @@ static int atm_tc_enqueue(struct sk_buff *skb,struct Qdisc *sch)
        return NET_XMIT_BYPASS;
 }
 
-
 /*
  * Dequeue packets and send them over ATM. Note that we quite deliberately
  * avoid checking net_device's flow control here, simply because sch_atm
@@ -466,167 +469,163 @@ static int atm_tc_enqueue(struct sk_buff *skb,struct Qdisc *sch)
  * non-ATM interfaces.
  */
 
-
 static void sch_atm_dequeue(unsigned long data)
 {
-       struct Qdisc *sch = (struct Qdisc *) data;
+       struct Qdisc *sch = (struct Qdisc *)data;
        struct atm_qdisc_data *p = PRIV(sch);
        struct atm_flow_data *flow;
        struct sk_buff *skb;
 
-       D2PRINTK("sch_atm_dequeue(sch %p,[qdisc %p])\n",sch,p);
+       D2PRINTK("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
                 * little bursts. Otherwise, it may ... (but that's okay)
                 */
                while ((skb = flow->q->dequeue(flow->q))) {
-                       if (!atm_may_send(flow->vcc,skb->truesize)) {
-                               (void) flow->q->ops->requeue(skb,flow->q);
+                       if (!atm_may_send(flow->vcc, skb->truesize)) {
+                               (void)flow->q->ops->requeue(skb, flow->q);
                                break;
                        }
-                       D2PRINTK("atm_tc_dequeue: sending on class %p\n",flow);
+                       D2PRINTK("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) {
                                struct sk_buff *new;
 
-                               new = skb_realloc_headroom(skb,flow->hdr_len);
+                               new = skb_realloc_headroom(skb, flow->hdr_len);
                                dev_kfree_skb(skb);
-                               if (!new) continue;
+                               if (!new)
+                                       continue;
                                skb = new;
                        }
                        D2PRINTK("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,
-                           flow->hdr_len);
+                       memcpy(skb_push(skb, flow->hdr_len), flow->hdr,
+                              flow->hdr_len);
                        atomic_add(skb->truesize,
                                   &sk_atm(flow->vcc)->sk_wmem_alloc);
                        /* atm.atm_options are already set by atm_tc_enqueue */
-                       (void) flow->vcc->send(flow->vcc,skb);
+                       flow->vcc->send(flow->vcc, skb);
                }
 }
 
-
 static struct sk_buff *atm_tc_dequeue(struct Qdisc *sch)
 {
        struct atm_qdisc_data *p = PRIV(sch);
        struct sk_buff *skb;
 
-       D2PRINTK("atm_tc_dequeue(sch %p,[qdisc %p])\n",sch,p);
+       D2PRINTK("atm_tc_dequeue(sch %p,[qdisc %p])\n", sch, p);
        tasklet_schedule(&p->task);
        skb = p->link.q->dequeue(p->link.q);
-       if (skb) sch->q.qlen--;
+       if (skb)
+               sch->q.qlen--;
        return skb;
 }
 
-
-static int atm_tc_requeue(struct sk_buff *skb,struct Qdisc *sch)
+static int atm_tc_requeue(struct sk_buff *skb, struct Qdisc *sch)
 {
        struct atm_qdisc_data *p = PRIV(sch);
        int ret;
 
-       D2PRINTK("atm_tc_requeue(skb %p,sch %p,[qdisc %p])\n",skb,sch,p);
-       ret = p->link.q->ops->requeue(skb,p->link.q);
+       D2PRINTK("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++;
-       sch->qstats.requeues++;
-    } else {
+               sch->q.qlen++;
+               sch->qstats.requeues++;
+       } else {
                sch->qstats.drops++;
                p->link.qstats.drops++;
        }
        return ret;
 }
 
-
 static unsigned int atm_tc_drop(struct Qdisc *sch)
 {
        struct atm_qdisc_data *p = PRIV(sch);
        struct atm_flow_data *flow;
        unsigned int len;
 
-       DPRINTK("atm_tc_drop(sch %p,[qdisc %p])\n",sch,p);
+       DPRINTK("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 rtattr *opt)
 {
        struct atm_qdisc_data *p = PRIV(sch);
 
-       DPRINTK("atm_tc_init(sch %p,[qdisc %p],opt %p)\n",sch,p,opt);
+       DPRINTK("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)))
+       if (!(p->link.q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops,
+                                           sch->handle)))
                p->link.q = &noop_qdisc;
-       DPRINTK("atm_tc_init: link (%p) qdisc %p\n",&p->link,p->link.q);
+       DPRINTK("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;
        p->link.classid = sch->handle;
        p->link.ref = 1;
        p->link.next = NULL;
-       tasklet_init(&p->task,sch_atm_dequeue,(unsigned long) sch);
+       tasklet_init(&p->task, sch_atm_dequeue, (unsigned long)sch);
        return 0;
 }
 
-
 static void atm_tc_reset(struct Qdisc *sch)
 {
        struct atm_qdisc_data *p = PRIV(sch);
        struct atm_flow_data *flow;
 
-       DPRINTK("atm_tc_reset(sch %p,[qdisc %p])\n",sch,p);
-       for (flow = p->flows; flow; flow = flow->next) qdisc_reset(flow->q);
+       DPRINTK("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;
 }
 
-
 static void atm_tc_destroy(struct Qdisc *sch)
 {
        struct atm_qdisc_data *p = PRIV(sch);
        struct atm_flow_data *flow;
 
-       DPRINTK("atm_tc_destroy(sch %p,[qdisc %p])\n",sch,p);
+       DPRINTK("atm_tc_destroy(sch %p,[qdisc %p])\n", sch, p);
        /* races ? */
        while ((flow = p->flows)) {
                tcf_destroy_chain(flow->filter_list);
                flow->filter_list = NULL;
                if (flow->ref > 1)
-                       printk(KERN_ERR "atm_destroy: %p->ref = %d\n",flow,
-                           flow->ref);
-               atm_tc_put(sch,(unsigned long) flow);
+                       printk(KERN_ERR "atm_destroy: %p->ref = %d\n", flow,
+                              flow->ref);
+               atm_tc_put(sch, (unsigned long)flow);
                if (p->flows == flow) {
                        printk(KERN_ERR "atm_destroy: putting flow %p didn't "
-                           "kill it\n",flow);
-                       p->flows = flow->next; /* brute force */
+                              "kill it\n", flow);
+                       p->flows = flow->next;  /* brute force */
                        break;
                }
        }
        tasklet_kill(&p->task);
 }
 
-
 static int atm_tc_dump_class(struct Qdisc *sch, unsigned long cl,
-    struct sk_buff *skb, struct tcmsg *tcm)
+                            struct sk_buff *skb, struct tcmsg *tcm)
 {
        struct atm_qdisc_data *p = PRIV(sch);
-       struct atm_flow_data *flow = (struct atm_flow_data *) cl;
+       struct atm_flow_data *flow = (struct atm_flow_data *)cl;
        unsigned char *b = skb_tail_pointer(skb);
        struct rtattr *rta;
 
        DPRINTK("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;
+               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);
+       rta = (struct rtattr *)b;
+       RTA_PUT(skb, TCA_OPTIONS, 0, NULL);
+       RTA_PUT(skb, TCA_ATM_HDR, flow->hdr_len, flow->hdr);
        if (flow->vcc) {
                struct sockaddr_atmpvc pvc;
                int state;
@@ -635,16 +634,16 @@ 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);
+               RTA_PUT(skb, TCA_ATM_ADDR, sizeof(pvc), &pvc);
                state = ATM_VF2VS(flow->vcc->flags);
-               RTA_PUT(skb,TCA_ATM_STATE,sizeof(state),&state);
+               RTA_PUT(skb, TCA_ATM_STATE, sizeof(state), &state);
        }
        if (flow->excess)
-               RTA_PUT(skb,TCA_ATM_EXCESS,sizeof(u32),&flow->classid);
+               RTA_PUT(skb, TCA_ATM_EXCESS, sizeof(u32), &flow->classid);
        else {
                static u32 zero;
 
-               RTA_PUT(skb,TCA_ATM_EXCESS,sizeof(zero),&zero);
+               RTA_PUT(skb, TCA_ATM_EXCESS, sizeof(zero), &zero);
        }
        rta->rta_len = skb_tail_pointer(skb) - b;
        return skb->len;
@@ -655,9 +654,9 @@ rtattr_failure:
 }
 static int
 atm_tc_dump_class_stats(struct Qdisc *sch, unsigned long arg,
-       struct gnet_dump *d)
+                       struct gnet_dump *d)
 {
-       struct atm_flow_data *flow = (struct atm_flow_data *) arg;
+       struct atm_flow_data *flow = (struct atm_flow_data *)arg;
 
        flow->qstats.qlen = flow->q->q.qlen;
 
@@ -674,38 +673,35 @@ static int atm_tc_dump(struct Qdisc *sch, struct sk_buff *skb)
 }
 
 static struct Qdisc_class_ops atm_class_ops = {
-       .graft          =       atm_tc_graft,
-       .leaf           =       atm_tc_leaf,
-       .get            =       atm_tc_get,
-       .put            =       atm_tc_put,
-       .change         =       atm_tc_change,
-       .delete         =       atm_tc_delete,
-       .walk           =       atm_tc_walk,
-       .tcf_chain      =       atm_tc_find_tcf,
-       .bind_tcf       =       atm_tc_bind_filter,
-       .unbind_tcf     =       atm_tc_put,
-       .dump           =       atm_tc_dump_class,
-       .dump_stats     =       atm_tc_dump_class_stats,
+       .graft          = atm_tc_graft,
+       .leaf           = atm_tc_leaf,
+       .get            = atm_tc_get,
+       .put            = atm_tc_put,
+       .change         = atm_tc_change,
+       .delete         = atm_tc_delete,
+       .walk           = atm_tc_walk,
+       .tcf_chain      = atm_tc_find_tcf,
+       .bind_tcf       = atm_tc_bind_filter,
+       .unbind_tcf     = atm_tc_put,
+       .dump           = atm_tc_dump_class,
+       .dump_stats     = atm_tc_dump_class_stats,
 };
 
 static struct Qdisc_ops atm_qdisc_ops = {
-       .next           =       NULL,
-       .cl_ops         =       &atm_class_ops,
-       .id             =       "atm",
-       .priv_size      =       sizeof(struct atm_qdisc_data),
-       .enqueue        =       atm_tc_enqueue,
-       .dequeue        =       atm_tc_dequeue,
-       .requeue        =       atm_tc_requeue,
-       .drop           =       atm_tc_drop,
-       .init           =       atm_tc_init,
-       .reset          =       atm_tc_reset,
-       .destroy        =       atm_tc_destroy,
-       .change         =       NULL,
-       .dump           =       atm_tc_dump,
-       .owner          =       THIS_MODULE,
+       .cl_ops         = &atm_class_ops,
+       .id             = "atm",
+       .priv_size      = sizeof(struct atm_qdisc_data),
+       .enqueue        = atm_tc_enqueue,
+       .dequeue        = atm_tc_dequeue,
+       .requeue        = atm_tc_requeue,
+       .drop           = atm_tc_drop,
+       .init           = atm_tc_init,
+       .reset          = atm_tc_reset,
+       .destroy        = atm_tc_destroy,
+       .dump           = atm_tc_dump,
+       .owner          = THIS_MODULE,
 };
 
-
 static int __init atm_init(void)
 {
        return register_qdisc(&atm_qdisc_ops);