net/ipv6/fib6_rules.c

355 static int fib6_nl2rule_dscp(const struct nlattr *nla, struct fib6_rule *rule6,
358 	if (rule6->dscp) {
363 	rule6->dscp = inet_dsfield_to_dscp(nla_get_u8(nla) << 2);
364 	rule6->dscp_mask = inet_dsfield_to_dscp(INET_DSCP_MASK);
365 	rule6->dscp_full = true;
371 				  struct fib6_rule *rule6,
376 	if (!rule6->dscp_full) {
383 	if (rule6->dscp & ~dscp_mask) {
388 	rule6->dscp_mask = dscp_mask;
393 static int fib6_nl2rule_flowlabel(struct nlattr **tb, struct fib6_rule *rule6,
416 	rule6->flowlabel = flowlabel;
417 	rule6->flowlabel_mask = flowlabel_mask;
427 	struct fib6_rule *rule6 = (struct fib6_rule *)rule;
436 	rule6->dscp = inet_dsfield_to_dscp(frh->tos);
437 	rule6->dscp_mask = frh->tos ? inet_dsfield_to_dscp(INET_DSCP_MASK) : 0;
439 	if (tb[FRA_DSCP] && fib6_nl2rule_dscp(tb[FRA_DSCP], rule6, extack) < 0)
443 	    fib6_nl2rule_dscp_mask(tb[FRA_DSCP_MASK], rule6, extack) < 0)
447 	    fib6_nl2rule_flowlabel(tb, rule6, extack) < 0)
463 		rule6->src.addr = nla_get_in6_addr(tb[FRA_SRC]);
466 		rule6->dst.addr = nla_get_in6_addr(tb[FRA_DST]);
468 	rule6->src.plen = frh->src_len;
469 	rule6->dst.plen = frh->dst_len;
494 	struct fib6_rule *rule6 = (struct fib6_rule *) rule;
496 	if (frh->src_len && (rule6->src.plen != frh->src_len))
499 	if (frh->dst_len && (rule6->dst.plen != frh->dst_len))
503 	    (rule6->dscp_full ||
504 	     inet_dscp_to_dsfield(rule6->dscp) != frh->tos))
511 		if (!rule6->dscp_full || rule6->dscp != dscp)
519 		if (!rule6->dscp_full || rule6->dscp_mask != dscp_mask)
524 	    nla_get_be32(tb[FRA_FLOWLABEL]) != rule6->flowlabel)
528 	    nla_get_be32(tb[FRA_FLOWLABEL_MASK]) != rule6->flowlabel_mask)
532 	    nla_memcmp(tb[FRA_SRC], &rule6->src.addr, sizeof(struct in6_addr)))
536 	    nla_memcmp(tb[FRA_DST], &rule6->dst.addr, sizeof(struct in6_addr)))
545 	struct fib6_rule *rule6 = (struct fib6_rule *) rule;
547 	frh->dst_len = rule6->dst.plen;
548 	frh->src_len = rule6->src.plen;
550 	if (rule6->dscp_full) {
553 			       inet_dscp_to_dsfield(rule6->dscp) >> 2) ||
555 			       inet_dscp_to_dsfield(rule6->dscp_mask) >> 2))
558 		frh->tos = inet_dscp_to_dsfield(rule6->dscp);
561 	if (rule6->flowlabel_mask &&
562 	    (nla_put_be32(skb, FRA_FLOWLABEL, rule6->flowlabel) ||
563 	     nla_put_be32(skb, FRA_FLOWLABEL_MASK, rule6->flowlabel_mask)))
566 	if ((rule6->dst.plen &&
567 	     nla_put_in6_addr(skb, FRA_DST, &rule6->dst.addr)) ||
568 	    (rule6->src.plen &&
569 	     nla_put_in6_addr(skb, FRA_SRC, &rule6->src.addr)))