224 	struct tcindex_data *cp, *oldp;  in tcindex_set_parms()  local
238 	cp = kzalloc(sizeof(*cp), GFP_KERNEL);  in tcindex_set_parms()
239 	if (!cp)  in tcindex_set_parms()
242 	cp->mask = p->mask;  in tcindex_set_parms()
243 	cp->shift = p->shift;  in tcindex_set_parms()
244 	cp->hash = p->hash;  in tcindex_set_parms()
245 	cp->alloc_hash = p->alloc_hash;  in tcindex_set_parms()
246 	cp->fall_through = p->fall_through;  in tcindex_set_parms()
247 	cp->tp = tp;  in tcindex_set_parms()
252 		cp->perfect = kmemdup(p->perfect,  in tcindex_set_parms()
253 				      sizeof(*r) * cp->hash, GFP_KERNEL);  in tcindex_set_parms()
254 		if (!cp->perfect)  in tcindex_set_parms()
256 		for (i = 0; i < cp->hash; i++)  in tcindex_set_parms()
257 			tcf_exts_init(&cp->perfect[i].exts,  in tcindex_set_parms()
261 	cp->h = p->h;  in tcindex_set_parms()
269 		cp->hash = nla_get_u32(tb[TCA_TCINDEX_HASH]);  in tcindex_set_parms()
272 		cp->mask = nla_get_u16(tb[TCA_TCINDEX_MASK]);  in tcindex_set_parms()
275 		cp->shift = nla_get_u32(tb[TCA_TCINDEX_SHIFT]);  in tcindex_set_parms()
282 	if (cp->perfect) {  in tcindex_set_parms()
283 		if (!valid_perfect_hash(cp) ||  in tcindex_set_parms()
284 		    cp->hash > cp->alloc_hash)  in tcindex_set_parms()
286 	} else if (cp->h && cp->hash != cp->alloc_hash) {  in tcindex_set_parms()
292 		cp->fall_through = nla_get_u32(tb[TCA_TCINDEX_FALL_THROUGH]);  in tcindex_set_parms()
294 	if (!cp->hash) {  in tcindex_set_parms()
298 		if ((cp->mask >> cp->shift) < PERFECT_HASH_THRESHOLD)  in tcindex_set_parms()
299 			cp->hash = (cp->mask >> cp->shift) + 1;  in tcindex_set_parms()
301 			cp->hash = DEFAULT_HASH_SIZE;  in tcindex_set_parms()
304 	if (!cp->perfect && !cp->h)  in tcindex_set_parms()
305 		cp->alloc_hash = cp->hash;  in tcindex_set_parms()
312 	if (cp->perfect || valid_perfect_hash(cp))  in tcindex_set_parms()
313 		if (handle >= cp->alloc_hash)  in tcindex_set_parms()
318 	if (!cp->perfect && !cp->h) {  in tcindex_set_parms()
319 		if (valid_perfect_hash(cp)) {  in tcindex_set_parms()
322 			cp->perfect = kcalloc(cp->hash, sizeof(*r), GFP_KERNEL);  in tcindex_set_parms()
323 			if (!cp->perfect)  in tcindex_set_parms()
325 			for (i = 0; i < cp->hash; i++)  in tcindex_set_parms()
326 				tcf_exts_init(&cp->perfect[i].exts,  in tcindex_set_parms()
333 			hash = kcalloc(cp->hash,  in tcindex_set_parms()
340 			cp->h = hash;  in tcindex_set_parms()
345 	if (cp->perfect)  in tcindex_set_parms()
346 		r = cp->perfect + handle;  in tcindex_set_parms()
348 		r = tcindex_lookup(cp, handle) ? : &new_filter_result;  in tcindex_set_parms()
374 	rcu_assign_pointer(tp->root, cp);  in tcindex_set_parms()
382 		fp = cp->h + (handle % cp->hash);  in tcindex_set_parms()
397 		kfree(cp->perfect);  in tcindex_set_parms()
399 		kfree(cp->h);  in tcindex_set_parms()
401 	kfree(cp);  in tcindex_set_parms()