X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fclassifier.c;h=30cc31d32653c8d849b146d471263b061c01a3ec;hb=b5a36e3878937a489458f7a0ff42769e826ae88b;hp=18958a8f73fccafafe18e78df4ee4476c664ecf3;hpb=73f3356323a0f94ffb5b58af4e0312e715b7a3e2;p=openvswitch diff --git a/lib/classifier.c b/lib/classifier.c index 18958a8f..30cc31d3 100644 --- a/lib/classifier.c +++ b/lib/classifier.c @@ -415,8 +415,17 @@ cls_rule_set_ipv6_label(struct cls_rule *rule, ovs_be32 ipv6_label) void cls_rule_set_nd_target(struct cls_rule *rule, const struct in6_addr *target) { - rule->wc.wildcards &= ~FWW_ND_TARGET; rule->flow.nd_target = *target; + rule->wc.nd_target_mask = in6addr_exact; +} + +void +cls_rule_set_nd_target_masked(struct cls_rule *rule, + const struct in6_addr *target, + const struct in6_addr *mask) +{ + rule->flow.nd_target = ipv6_addr_bitand(target, mask); + rule->wc.nd_target_mask = *mask; } /* Returns true if 'a' and 'b' have the same priority, wildcard the same @@ -491,7 +500,7 @@ cls_rule_format(const struct cls_rule *rule, struct ds *s) int i; - BUILD_ASSERT_DECL(FLOW_WC_SEQ == 8); + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 10); if (rule->priority != OFP_DEFAULT_PRIORITY) { ds_put_format(s, "priority=%d,", rule->priority); @@ -669,11 +678,8 @@ cls_rule_format(const struct cls_rule *rule, struct ds *s) } else if (f->nw_proto == IPPROTO_ICMPV6) { format_be16_masked(s, "icmp_type", f->tp_src, wc->tp_src_mask); format_be16_masked(s, "icmp_code", f->tp_dst, wc->tp_dst_mask); - if (!(w & FWW_ND_TARGET)) { - ds_put_cstr(s, "nd_target="); - print_ipv6_addr(s, &f->nd_target); - ds_put_char(s, ','); - } + format_ipv6_netmask(s, "nd_target", &f->nd_target, + &wc->nd_target_mask); if (!(w & FWW_ARP_SHA)) { ds_put_format(s, "nd_sll="ETH_ADDR_FMT",", ETH_ADDR_ARGS(f->arp_sha)); @@ -1036,6 +1042,7 @@ insert_table(struct classifier *cls, const struct flow_wildcards *wc) table = xzalloc(sizeof *table); hmap_init(&table->rules); table->wc = *wc; + table->is_catchall = flow_wildcards_is_catchall(&table->wc); hmap_insert(&cls->tables, &table->hmap_node, flow_wildcards_hash(wc, 0)); return table; @@ -1053,16 +1060,24 @@ static struct cls_rule * find_match(const struct cls_table *table, const struct flow *flow) { struct cls_rule *rule; - struct flow f; - f = *flow; - flow_zero_wildcards(&f, &table->wc); - HMAP_FOR_EACH_WITH_HASH (rule, hmap_node, flow_hash(&f, 0), - &table->rules) { - if (flow_equal(&f, &rule->flow)) { + if (table->is_catchall) { + HMAP_FOR_EACH (rule, hmap_node, &table->rules) { return rule; } + } else { + struct flow f; + + f = *flow; + flow_zero_wildcards(&f, &table->wc); + HMAP_FOR_EACH_WITH_HASH (rule, hmap_node, flow_hash(&f, 0), + &table->rules) { + if (flow_equal(&f, &rule->flow)) { + return rule; + } + } } + return NULL; } @@ -1164,7 +1179,7 @@ flow_equal_except(const struct flow *a, const struct flow *b, const flow_wildcards_t wc = wildcards->wildcards; int i; - BUILD_ASSERT_DECL(FLOW_WC_SEQ == 8); + BUILD_ASSERT_DECL(FLOW_WC_SEQ == 10); for (i = 0; i < FLOW_N_REGS; i++) { if ((a->regs[i] ^ b->regs[i]) & wildcards->reg_masks[i]) { @@ -1202,6 +1217,6 @@ flow_equal_except(const struct flow *a, const struct flow *b, &wildcards->ipv6_src_mask) && ipv6_equal_except(&a->ipv6_dst, &b->ipv6_dst, &wildcards->ipv6_dst_mask) - && (wc & FWW_ND_TARGET - || ipv6_addr_equals(&a->nd_target, &b->nd_target))); + && ipv6_equal_except(&a->nd_target, &b->nd_target, + &wildcards->nd_target_mask)); }