162 static inline struct tcf_ematch *tcf_em_get_match(struct tcf_ematch_tree *tree,  in tcf_em_get_match()  argument
165 	return &tree->matches[index];  in tcf_em_get_match()
288  * tcf_em_tree_validate - validate ematch config TLV and build ematch tree
291  * @nla: ematch tree configuration TLV
292  * @tree: destination ematch tree variable to store the resulting
293  *        ematch tree.
296  * ematch tree in @tree. The resulting tree must later be copied into
298  * provide the ematch tree variable of the private classifier data directly,
304 			 struct tcf_ematch_tree *tree)  in tcf_em_tree_validate()  argument
312 	memset(tree, 0, sizeof(*tree));  in tcf_em_tree_validate()
329 	memcpy(&tree->hdr, tree_hdr, sizeof(*tree_hdr));  in tcf_em_tree_validate()
335 	tree->matches = kzalloc(matches_len, GFP_KERNEL);  in tcf_em_tree_validate()
336 	if (tree->matches == NULL)  in tcf_em_tree_validate()
360 		em = tcf_em_get_match(tree, idx);  in tcf_em_tree_validate()
384 	tcf_em_tree_destroy(tree);  in tcf_em_tree_validate()
390  * tcf_em_tree_destroy - destroy an ematch tree
392  * @tree: ematch tree to be deleted
394  * This functions destroys an ematch tree previously created by
396  * the ematch tree is not in use before calling this function.
398 void tcf_em_tree_destroy(struct tcf_ematch_tree *tree)  in tcf_em_tree_destroy()  argument
402 	if (tree->matches == NULL)  in tcf_em_tree_destroy()
405 	for (i = 0; i < tree->hdr.nmatches; i++) {  in tcf_em_tree_destroy()
406 		struct tcf_ematch *em = tcf_em_get_match(tree, i);  in tcf_em_tree_destroy()
417 	tree->hdr.nmatches = 0;  in tcf_em_tree_destroy()
418 	kfree(tree->matches);  in tcf_em_tree_destroy()
419 	tree->matches = NULL;  in tcf_em_tree_destroy()
424  * tcf_em_tree_dump - dump ematch tree into a rtnl message
427  * @tree: ematch tree to be dumped
428  * @tlv: TLV type to be used to encapsulate the tree
430  * This function dumps a ematch tree into a rtnl message. It is valid to
431  * call this function while the ematch tree is in use.
435 int tcf_em_tree_dump(struct sk_buff *skb, struct tcf_ematch_tree *tree, int tlv)  in tcf_em_tree_dump()  argument
446 	if (nla_put(skb, TCA_EMATCH_TREE_HDR, sizeof(tree->hdr), &tree->hdr))  in tcf_em_tree_dump()
454 	for (i = 0; i < tree->hdr.nmatches; i++) {  in tcf_em_tree_dump()
456 		struct tcf_ematch *em = tcf_em_get_match(tree, i);  in tcf_em_tree_dump()
498 int __tcf_em_tree_match(struct sk_buff *skb, struct tcf_ematch_tree *tree,  in __tcf_em_tree_match()  argument
506 	while (match_idx < tree->hdr.nmatches) {  in __tcf_em_tree_match()
507 		cur_match = tcf_em_get_match(tree, match_idx);  in __tcf_em_tree_match()
529 		cur_match = tcf_em_get_match(tree, match_idx);  in __tcf_em_tree_match()