X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fsched%2Fcls_tcindex.c;h=7a7bff5ded2487801e3c34941c1e12b8d77926fc;hb=984f2f377fdfd098f5ae58d09ee04d5e29e6112b;hp=2314820a080a3d7e94b4e523c1dc242ce1c493b7;hpb=e030dbf91a87da7e8be3be3ca781558695bea683;p=linux-2.6-omap-h63xx.git

diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 2314820a080..7a7bff5ded2 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -29,19 +29,6 @@
 #define DEFAULT_HASH_SIZE	64	/* optimized for diffserv */
 
 
-#if 1 /* 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
-
-
 #define	PRIV(tp)	((struct tcindex_data *) (tp)->root)
 
 
@@ -68,7 +55,7 @@ struct tcindex_data {
 	int fall_through;	/* 0: only classify if explicit match */
 };
 
-static struct tcf_ext_map tcindex_ext_map = {
+static const struct tcf_ext_map tcindex_ext_map = {
 	.police = TCA_TCINDEX_POLICE,
 	.action = TCA_TCINDEX_ACT
 };
@@ -104,7 +91,8 @@ static int tcindex_classify(struct sk_buff *skb, struct tcf_proto *tp,
 	struct tcindex_filter_result *f;
 	int key = (skb->tc_index & p->mask) >> p->shift;
 
-	D2PRINTK("tcindex_classify(skb %p,tp %p,res %p),p %p\n",skb,tp,res,p);
+	pr_debug("tcindex_classify(skb %p,tp %p,res %p),p %p\n",
+		 skb, tp, res, p);
 
 	f = tcindex_lookup(p, key);
 	if (!f) {
@@ -112,11 +100,11 @@ static int tcindex_classify(struct sk_buff *skb, struct tcf_proto *tp,
 			return -1;
 		res->classid = TC_H_MAKE(TC_H_MAJ(tp->q->handle), key);
 		res->class = 0;
-		D2PRINTK("alg 0x%x\n",res->classid);
+		pr_debug("alg 0x%x\n", res->classid);
 		return 0;
 	}
 	*res = f->res;
-	D2PRINTK("map 0x%x\n",res->classid);
+	pr_debug("map 0x%x\n", res->classid);
 
 	return tcf_exts_exec(skb, &f->exts, res);
 }
@@ -127,7 +115,7 @@ static unsigned long tcindex_get(struct tcf_proto *tp, u32 handle)
 	struct tcindex_data *p = PRIV(tp);
 	struct tcindex_filter_result *r;
 
-	DPRINTK("tcindex_get(tp %p,handle 0x%08x)\n",tp,handle);
+	pr_debug("tcindex_get(tp %p,handle 0x%08x)\n", tp, handle);
 	if (p->perfect && handle >= p->alloc_hash)
 		return 0;
 	r = tcindex_lookup(p, handle);
@@ -137,7 +125,7 @@ static unsigned long tcindex_get(struct tcf_proto *tp, u32 handle)
 
 static void tcindex_put(struct tcf_proto *tp, unsigned long f)
 {
-	DPRINTK("tcindex_put(tp %p,f 0x%lx)\n",tp,f);
+	pr_debug("tcindex_put(tp %p,f 0x%lx)\n", tp, f);
 }
 
 
@@ -145,8 +133,8 @@ static int tcindex_init(struct tcf_proto *tp)
 {
 	struct tcindex_data *p;
 
-	DPRINTK("tcindex_init(tp %p)\n",tp);
-	p = kzalloc(sizeof(struct tcindex_data),GFP_KERNEL);
+	pr_debug("tcindex_init(tp %p)\n", tp);
+	p = kzalloc(sizeof(struct tcindex_data), GFP_KERNEL);
 	if (!p)
 		return -ENOMEM;
 
@@ -166,7 +154,7 @@ __tcindex_delete(struct tcf_proto *tp, unsigned long arg, int lock)
 	struct tcindex_filter_result *r = (struct tcindex_filter_result *) arg;
 	struct tcindex_filter *f = NULL;
 
-	DPRINTK("tcindex_delete(tp %p,arg 0x%lx),p %p,f %p\n",tp,arg,p,f);
+	pr_debug("tcindex_delete(tp %p,arg 0x%lx),p %p,f %p\n", tp, arg, p, f);
 	if (p->perfect) {
 		if (!r->res.class)
 			return -ENOENT;
@@ -205,10 +193,18 @@ valid_perfect_hash(struct tcindex_data *p)
 	return  p->hash > (p->mask >> p->shift);
 }
 
+static const struct nla_policy tcindex_policy[TCA_TCINDEX_MAX + 1] = {
+	[TCA_TCINDEX_HASH]		= { .type = NLA_U32 },
+	[TCA_TCINDEX_MASK]		= { .type = NLA_U16 },
+	[TCA_TCINDEX_SHIFT]		= { .type = NLA_U32 },
+	[TCA_TCINDEX_FALL_THROUGH]	= { .type = NLA_U32 },
+	[TCA_TCINDEX_CLASSID]		= { .type = NLA_U32 },
+};
+
 static int
 tcindex_set_parms(struct tcf_proto *tp, unsigned long base, u32 handle,
 		  struct tcindex_data *p, struct tcindex_filter_result *r,
-		  struct rtattr **tb, struct rtattr *est)
+		  struct nlattr **tb, struct nlattr *est)
 {
 	int err, balloc = 0;
 	struct tcindex_filter_result new_filter_result, *old_r = r;
@@ -229,24 +225,14 @@ tcindex_set_parms(struct tcf_proto *tp, unsigned long base, u32 handle,
 	else
 		memset(&cr, 0, sizeof(cr));
 
-	err = -EINVAL;
-	if (tb[TCA_TCINDEX_HASH-1]) {
-		if (RTA_PAYLOAD(tb[TCA_TCINDEX_HASH-1]) < sizeof(u32))
-			goto errout;
-		cp.hash = *(u32 *) RTA_DATA(tb[TCA_TCINDEX_HASH-1]);
-	}
+	if (tb[TCA_TCINDEX_HASH])
+		cp.hash = nla_get_u32(tb[TCA_TCINDEX_HASH]);
 
-	if (tb[TCA_TCINDEX_MASK-1]) {
-		if (RTA_PAYLOAD(tb[TCA_TCINDEX_MASK-1]) < sizeof(u16))
-			goto errout;
-		cp.mask = *(u16 *) RTA_DATA(tb[TCA_TCINDEX_MASK-1]);
-	}
+	if (tb[TCA_TCINDEX_MASK])
+		cp.mask = nla_get_u16(tb[TCA_TCINDEX_MASK]);
 
-	if (tb[TCA_TCINDEX_SHIFT-1]) {
-		if (RTA_PAYLOAD(tb[TCA_TCINDEX_SHIFT-1]) < sizeof(int))
-			goto errout;
-		cp.shift = *(int *) RTA_DATA(tb[TCA_TCINDEX_SHIFT-1]);
-	}
+	if (tb[TCA_TCINDEX_SHIFT])
+		cp.shift = nla_get_u32(tb[TCA_TCINDEX_SHIFT]);
 
 	err = -EBUSY;
 	/* Hash already allocated, make sure that we still meet the
@@ -260,12 +246,8 @@ tcindex_set_parms(struct tcf_proto *tp, unsigned long base, u32 handle,
 		goto errout;
 
 	err = -EINVAL;
-	if (tb[TCA_TCINDEX_FALL_THROUGH-1]) {
-		if (RTA_PAYLOAD(tb[TCA_TCINDEX_FALL_THROUGH-1]) < sizeof(u32))
-			goto errout;
-		cp.fall_through =
-			*(u32 *) RTA_DATA(tb[TCA_TCINDEX_FALL_THROUGH-1]);
-	}
+	if (tb[TCA_TCINDEX_FALL_THROUGH])
+		cp.fall_through = nla_get_u32(tb[TCA_TCINDEX_FALL_THROUGH]);
 
 	if (!cp.hash) {
 		/* Hash not specified, use perfect hash if the upper limit
@@ -316,8 +298,8 @@ tcindex_set_parms(struct tcf_proto *tp, unsigned long base, u32 handle,
 			goto errout_alloc;
 	}
 
-	if (tb[TCA_TCINDEX_CLASSID-1]) {
-		cr.res.classid = *(u32 *) RTA_DATA(tb[TCA_TCINDEX_CLASSID-1]);
+	if (tb[TCA_TCINDEX_CLASSID]) {
+		cr.res.classid = nla_get_u32(tb[TCA_TCINDEX_CLASSID]);
 		tcf_bind_filter(tp, &cr.res, base);
 	}
 
@@ -356,34 +338,36 @@ errout:
 
 static int
 tcindex_change(struct tcf_proto *tp, unsigned long base, u32 handle,
-	       struct rtattr **tca, unsigned long *arg)
+	       struct nlattr **tca, unsigned long *arg)
 {
-	struct rtattr *opt = tca[TCA_OPTIONS-1];
-	struct rtattr *tb[TCA_TCINDEX_MAX];
+	struct nlattr *opt = tca[TCA_OPTIONS];
+	struct nlattr *tb[TCA_TCINDEX_MAX + 1];
 	struct tcindex_data *p = PRIV(tp);
 	struct tcindex_filter_result *r = (struct tcindex_filter_result *) *arg;
+	int err;
 
-	DPRINTK("tcindex_change(tp %p,handle 0x%08x,tca %p,arg %p),opt %p,"
+	pr_debug("tcindex_change(tp %p,handle 0x%08x,tca %p,arg %p),opt %p,"
 	    "p %p,r %p,*arg 0x%lx\n",
 	    tp, handle, tca, arg, opt, p, r, arg ? *arg : 0L);
 
 	if (!opt)
 		return 0;
 
-	if (rtattr_parse_nested(tb, TCA_TCINDEX_MAX, opt) < 0)
-		return -EINVAL;
+	err = nla_parse_nested(tb, TCA_TCINDEX_MAX, opt, tcindex_policy);
+	if (err < 0)
+		return err;
 
-	return tcindex_set_parms(tp, base, handle, p, r, tb, tca[TCA_RATE-1]);
+	return tcindex_set_parms(tp, base, handle, p, r, tb, tca[TCA_RATE]);
 }
 
 
 static void tcindex_walk(struct tcf_proto *tp, struct tcf_walker *walker)
 {
 	struct tcindex_data *p = PRIV(tp);
-	struct tcindex_filter *f,*next;
+	struct tcindex_filter *f, *next;
 	int i;
 
-	DPRINTK("tcindex_walk(tp %p,walker %p),p %p\n",tp,walker,p);
+	pr_debug("tcindex_walk(tp %p,walker %p),p %p\n", tp, walker, p);
 	if (p->perfect) {
 		for (i = 0; i < p->hash; i++) {
 			if (!p->perfect[i].res.class)
@@ -405,7 +389,7 @@ static void tcindex_walk(struct tcf_proto *tp, struct tcf_walker *walker)
 		for (f = p->h[i]; f; f = next) {
 			next = f->next;
 			if (walker->count >= walker->skip) {
-				if (walker->fn(tp,(unsigned long) &f->result,
+				if (walker->fn(tp, (unsigned long) &f->result,
 				    walker) < 0) {
 					walker->stop = 1;
 					return;
@@ -429,11 +413,11 @@ static void tcindex_destroy(struct tcf_proto *tp)
 	struct tcindex_data *p = PRIV(tp);
 	struct tcf_walker walker;
 
-	DPRINTK("tcindex_destroy(tp %p),p %p\n",tp,p);
+	pr_debug("tcindex_destroy(tp %p),p %p\n", tp, p);
 	walker.count = 0;
 	walker.skip = 0;
 	walker.fn = &tcindex_destroy_element;
-	tcindex_walk(tp,&walker);
+	tcindex_walk(tp, &walker);
 	kfree(p->perfect);
 	kfree(p->h);
 	kfree(p);
@@ -447,21 +431,23 @@ static int tcindex_dump(struct tcf_proto *tp, unsigned long fh,
 	struct tcindex_data *p = PRIV(tp);
 	struct tcindex_filter_result *r = (struct tcindex_filter_result *) fh;
 	unsigned char *b = skb_tail_pointer(skb);
-	struct rtattr *rta;
+	struct nlattr *nest;
+
+	pr_debug("tcindex_dump(tp %p,fh 0x%lx,skb %p,t %p),p %p,r %p,b %p\n",
+		 tp, fh, skb, t, p, r, b);
+	pr_debug("p->perfect %p p->h %p\n", p->perfect, p->h);
+
+	nest = nla_nest_start(skb, TCA_OPTIONS);
+	if (nest == NULL)
+		goto nla_put_failure;
 
-	DPRINTK("tcindex_dump(tp %p,fh 0x%lx,skb %p,t %p),p %p,r %p,b %p\n",
-	    tp,fh,skb,t,p,r,b);
-	DPRINTK("p->perfect %p p->h %p\n",p->perfect,p->h);
-	rta = (struct rtattr *) b;
-	RTA_PUT(skb,TCA_OPTIONS,0,NULL);
 	if (!fh) {
 		t->tcm_handle = ~0; /* whatever ... */
-		RTA_PUT(skb,TCA_TCINDEX_HASH,sizeof(p->hash),&p->hash);
-		RTA_PUT(skb,TCA_TCINDEX_MASK,sizeof(p->mask),&p->mask);
-		RTA_PUT(skb,TCA_TCINDEX_SHIFT,sizeof(p->shift),&p->shift);
-		RTA_PUT(skb,TCA_TCINDEX_FALL_THROUGH,sizeof(p->fall_through),
-		    &p->fall_through);
-		rta->rta_len = skb_tail_pointer(skb) - b;
+		NLA_PUT_U32(skb, TCA_TCINDEX_HASH, p->hash);
+		NLA_PUT_U16(skb, TCA_TCINDEX_MASK, p->mask);
+		NLA_PUT_U32(skb, TCA_TCINDEX_SHIFT, p->shift);
+		NLA_PUT_U32(skb, TCA_TCINDEX_FALL_THROUGH, p->fall_through);
+		nla_nest_end(skb, nest);
 	} else {
 		if (p->perfect) {
 			t->tcm_handle = r-p->perfect;
@@ -478,27 +464,26 @@ static int tcindex_dump(struct tcf_proto *tp, unsigned long fh,
 				}
 			}
 		}
-		DPRINTK("handle = %d\n",t->tcm_handle);
+		pr_debug("handle = %d\n", t->tcm_handle);
 		if (r->res.class)
-			RTA_PUT(skb, TCA_TCINDEX_CLASSID, 4, &r->res.classid);
+			NLA_PUT_U32(skb, TCA_TCINDEX_CLASSID, r->res.classid);
 
 		if (tcf_exts_dump(skb, &r->exts, &tcindex_ext_map) < 0)
-			goto rtattr_failure;
-		rta->rta_len = skb_tail_pointer(skb) - b;
+			goto nla_put_failure;
+		nla_nest_end(skb, nest);
 
 		if (tcf_exts_dump_stats(skb, &r->exts, &tcindex_ext_map) < 0)
-			goto rtattr_failure;
+			goto nla_put_failure;
 	}
 
 	return skb->len;
 
-rtattr_failure:
+nla_put_failure:
 	nlmsg_trim(skb, b);
 	return -1;
 }
 
-static struct tcf_proto_ops cls_tcindex_ops = {
-	.next		=	NULL,
+static struct tcf_proto_ops cls_tcindex_ops __read_mostly = {
 	.kind		=	"tcindex",
 	.classify	=	tcindex_classify,
 	.init		=	tcindex_init,