net/core/fib_rules.c

417 				  struct fib_rule_hdr *frh,
486 		if (!ops->compare(r, frh, tb))
523 	struct fib_rule_hdr *frh = nlmsg_data(nlh);
527 	if (frh->src_len)
529 		    frh->src_len > (ops->addr_size * 8) ||
535 	if (frh->dst_len)
537 		    frh->dst_len > (ops->addr_size * 8) ||
600 	nlrule->action = frh->action;
601 	nlrule->flags = frh->flags;
602 	nlrule->table = frh_get_table(frh, tb);
684 static int rule_exists(struct fib_rules_ops *ops, struct fib_rule_hdr *frh,
744 		if (!ops->compare(r, frh, tb))
776 	struct fib_rule_hdr *frh = nlmsg_data(nlh);
783 	if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*frh))) {
788 	ops = lookup_rules_ops(net, frh->family);
795 	err = nlmsg_parse_deprecated(nlh, sizeof(*frh), tb, FRA_MAX,
807 	    rule_exists(ops, frh, tb, rule)) {
812 	err = ops->configure(rule, skb, frh, tb, extack);
884 	struct fib_rule_hdr *frh = nlmsg_data(nlh);
891 	if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*frh))) {
896 	ops = lookup_rules_ops(net, frh->family);
903 	err = nlmsg_parse_deprecated(nlh, sizeof(*frh), tb, FRA_MAX,
914 	rule = rule_find(ops, frh, tb, nlrule, user_priority);
1011 	struct fib_rule_hdr *frh;
1013 	nlh = nlmsg_put(skb, pid, seq, type, sizeof(*frh), flags);
1017 	frh = nlmsg_data(nlh);
1018 	frh->family = ops->family;
1019 	frh->table = rule->table < 256 ? rule->table : RT_TABLE_COMPAT;
1024 	frh->res1 = 0;
1025 	frh->res2 = 0;
1026 	frh->action = rule->action;
1027 	frh->flags = rule->flags;
1034 		frh->flags |= FIB_RULE_UNRESOLVED;
1040 			frh->flags |= FIB_RULE_IIF_DETACHED;
1047 			frh->flags |= FIB_RULE_OIF_DETACHED;
1076 	if (ops->fill(rule, skb, frh) < 0)
1117 	struct fib_rule_hdr *frh;
1119 	if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*frh))) {
1124 	frh = nlmsg_data(nlh);
1125 	if (frh->dst_len || frh->src_len || frh->tos || frh->table ||
1126 	    frh->res1 || frh->res2 || frh->action || frh->flags) {
1132 	if (nlmsg_attrlen(nlh, sizeof(*frh))) {