166 static inline struct tcf_ematch *tcf_em_get_match(struct tcf_ematch_tree *tree,  in tcf_em_get_match()  argument
169 	return &tree->matches[index];  in tcf_em_get_match()
286  * tcf_em_tree_validate - validate ematch config TLV and build ematch tree
289  * @nla: ematch tree configuration TLV
290  * @tree: destination ematch tree variable to store the resulting
291  *        ematch tree.
294  * ematch tree in @tree. The resulting tree must later be copied into
296  * provide the ematch tree variable of the private classifier data directly,
302 			 struct tcf_ematch_tree *tree)  in tcf_em_tree_validate()  argument
310 	memset(tree, 0, sizeof(*tree));  in tcf_em_tree_validate()
326 	memcpy(&tree->hdr, tree_hdr, sizeof(*tree_hdr));  in tcf_em_tree_validate()
332 	tree->matches = kzalloc(matches_len, GFP_KERNEL);  in tcf_em_tree_validate()
333 	if (tree->matches == NULL)  in tcf_em_tree_validate()
357 		em = tcf_em_get_match(tree, idx);  in tcf_em_tree_validate()
381 	tcf_em_tree_destroy(tp, tree);  in tcf_em_tree_validate()
387  * tcf_em_tree_destroy - destroy an ematch tree
390  * @tree: ematch tree to be deleted
392  * This functions destroys an ematch tree previously created by
394  * the ematch tree is not in use before calling this function.
396 void tcf_em_tree_destroy(struct tcf_proto *tp, struct tcf_ematch_tree *tree)  in tcf_em_tree_destroy()  argument
400 	if (tree->matches == NULL)  in tcf_em_tree_destroy()
403 	for (i = 0; i < tree->hdr.nmatches; i++) {  in tcf_em_tree_destroy()
404 		struct tcf_ematch *em = tcf_em_get_match(tree, i);  in tcf_em_tree_destroy()
415 	tree->hdr.nmatches = 0;  in tcf_em_tree_destroy()
416 	kfree(tree->matches);  in tcf_em_tree_destroy()
417 	tree->matches = NULL;  in tcf_em_tree_destroy()
422  * tcf_em_tree_dump - dump ematch tree into a rtnl message
425  * @t: ematch tree to be dumped
426  * @tlv: TLV type to be used to encapsulate the tree
428  * This function dumps a ematch tree into a rtnl message. It is valid to
429  * call this function while the ematch tree is in use.
433 int tcf_em_tree_dump(struct sk_buff *skb, struct tcf_ematch_tree *tree, int tlv)  in tcf_em_tree_dump()  argument
444 	NLA_PUT(skb, TCA_EMATCH_TREE_HDR, sizeof(tree->hdr), &tree->hdr);  in tcf_em_tree_dump()
451 	for (i = 0; i < tree->hdr.nmatches; i++) {  in tcf_em_tree_dump()
453 		struct tcf_ematch *em = tcf_em_get_match(tree, i);  in tcf_em_tree_dump()
494 int __tcf_em_tree_match(struct sk_buff *skb, struct tcf_ematch_tree *tree,  in __tcf_em_tree_match()  argument
502 	while (match_idx < tree->hdr.nmatches) {  in __tcf_em_tree_match()
503 		cur_match = tcf_em_get_match(tree, match_idx);  in __tcf_em_tree_match()
525 		cur_match = tcf_em_get_match(tree, match_idx);  in __tcf_em_tree_match()