net/ipv4/fib_rules.c

40 	dscp_t			dscp_mask;
197 	    (r->dscp ^ inet_dsfield_to_dscp(fl4->flowi4_tos)) & r->dscp_mask)
240 	rule4->dscp_mask = inet_dsfield_to_dscp(INET_DSCP_MASK);
250 	dscp_t dscp_mask;
258 	dscp_mask = inet_dsfield_to_dscp(nla_get_u8(nla) << 2);
259 	if (rule4->dscp & ~dscp_mask) {
264 	rule4->dscp_mask = dscp_mask;
400 		dscp_t dscp_mask;
402 		dscp_mask = inet_dsfield_to_dscp(nla_get_u8(tb[FRA_DSCP_MASK]) << 2);
403 		if (!rule4->dscp_full || rule4->dscp_mask != dscp_mask)
434 			       inet_dscp_to_dsfield(rule4->dscp_mask) >> 2))