X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fclassifier.c;h=26751ca496485846f4e625035a816b30371a48c5;hb=408869427edc59058b6e7680e612b3a6cd46edc1;hp=253a4d8b06b556543d4c3a08e814fc59f6aa9c78;hpb=eadef313296eac5c2fa99bc1d7a32e514a7989bf;p=openvswitch

diff --git a/lib/classifier.c b/lib/classifier.c
index 253a4d8b..26751ca4 100644
--- a/lib/classifier.c
+++ b/lib/classifier.c
@@ -32,9 +32,6 @@ static struct cls_table *find_table(const struct classifier *,
 static struct cls_table *insert_table(struct classifier *,
                                       const struct flow_wildcards *);
 
-static struct cls_table *classifier_first_table(const struct classifier *);
-static struct cls_table *classifier_next_table(const struct classifier *,
-                                               const struct cls_table *);
 static void destroy_table(struct classifier *, struct cls_table *);
 
 static struct cls_rule *find_match(const struct cls_table *,
@@ -57,12 +54,6 @@ static bool flow_equal_except(const struct flow *, const struct flow *,
 static struct cls_rule *next_rule_in_list__(struct cls_rule *);
 static struct cls_rule *next_rule_in_list(struct cls_rule *);
 
-static struct cls_table *
-cls_table_from_hmap_node(const struct hmap_node *node)
-{
-    return node ? CONTAINER_OF(node, struct cls_table, hmap_node) : NULL;
-}
-
 /* Converts the flow in 'flow' into a cls_rule in 'rule', with the given
  * 'wildcards' and 'priority'. */
 void
@@ -83,7 +74,7 @@ cls_rule_init_exact(const struct flow *flow,
                     unsigned int priority, struct cls_rule *rule)
 {
     rule->flow = *flow;
-    rule->flow.priority = 0;
+    rule->flow.skb_priority = 0;
     flow_wildcards_init_exact(&rule->wc);
     rule->priority = priority;
 }
@@ -227,12 +218,10 @@ cls_rule_set_any_vid(struct cls_rule *rule)
 void
 cls_rule_set_dl_vlan(struct cls_rule *rule, ovs_be16 dl_vlan)
 {
+    flow_set_vlan_vid(&rule->flow, dl_vlan);
     if (dl_vlan == htons(OFP_VLAN_NONE)) {
-        cls_rule_set_dl_tci(rule, htons(0));
+        rule->wc.vlan_tci_mask = htons(UINT16_MAX);
     } else {
-        dl_vlan &= htons(VLAN_VID_MASK);
-        rule->flow.vlan_tci &= ~htons(VLAN_VID_MASK);
-        rule->flow.vlan_tci |= htons(VLAN_CFI) | dl_vlan;
         rule->wc.vlan_tci_mask |= htons(VLAN_VID_MASK | VLAN_CFI);
     }
 }
@@ -256,9 +245,7 @@ cls_rule_set_any_pcp(struct cls_rule *rule)
 void
 cls_rule_set_dl_vlan_pcp(struct cls_rule *rule, uint8_t dl_vlan_pcp)
 {
-    dl_vlan_pcp &= 0x07;
-    rule->flow.vlan_tci &= ~htons(VLAN_PCP_MASK);
-    rule->flow.vlan_tci |= htons((dl_vlan_pcp << VLAN_PCP_SHIFT) | VLAN_CFI);
+    flow_set_vlan_pcp(&rule->flow, dl_vlan_pcp);
     rule->wc.vlan_tci_mask |= htons(VLAN_CFI | VLAN_PCP_MASK);
 }
 
@@ -286,41 +273,36 @@ cls_rule_set_nw_proto(struct cls_rule *rule, uint8_t nw_proto)
 void
 cls_rule_set_nw_src(struct cls_rule *rule, ovs_be32 nw_src)
 {
-    cls_rule_set_nw_src_masked(rule, nw_src, htonl(UINT32_MAX));
+    rule->flow.nw_src = nw_src;
+    rule->wc.nw_src_mask = htonl(UINT32_MAX);
 }
 
-bool
-cls_rule_set_nw_src_masked(struct cls_rule *rule, ovs_be32 ip, ovs_be32 mask)
+void
+cls_rule_set_nw_src_masked(struct cls_rule *rule,
+                           ovs_be32 nw_src, ovs_be32 mask)
 {
-    if (flow_wildcards_set_nw_src_mask(&rule->wc, mask)) {
-        rule->flow.nw_src = ip & mask;
-        return true;
-    } else {
-        return false;
-    }
+    rule->flow.nw_src = nw_src & mask;
+    rule->wc.nw_src_mask = mask;
 }
 
 void
 cls_rule_set_nw_dst(struct cls_rule *rule, ovs_be32 nw_dst)
 {
-    cls_rule_set_nw_dst_masked(rule, nw_dst, htonl(UINT32_MAX));
+    rule->flow.nw_dst = nw_dst;
+    rule->wc.nw_dst_mask = htonl(UINT32_MAX);
 }
 
-bool
+void
 cls_rule_set_nw_dst_masked(struct cls_rule *rule, ovs_be32 ip, ovs_be32 mask)
 {
-    if (flow_wildcards_set_nw_dst_mask(&rule->wc, mask)) {
-        rule->flow.nw_dst = ip & mask;
-        return true;
-    } else {
-        return false;
-    }
+    rule->flow.nw_dst = ip & mask;
+    rule->wc.nw_dst_mask = mask;
 }
 
 void
 cls_rule_set_nw_dscp(struct cls_rule *rule, uint8_t nw_dscp)
 {
-    rule->wc.nw_tos_mask |= IP_DSCP_MASK;
+    rule->wc.wildcards &= ~FWW_NW_DSCP;
     rule->flow.nw_tos &= ~IP_DSCP_MASK;
     rule->flow.nw_tos |= nw_dscp & IP_DSCP_MASK;
 }
@@ -328,7 +310,7 @@ cls_rule_set_nw_dscp(struct cls_rule *rule, uint8_t nw_dscp)
 void
 cls_rule_set_nw_ecn(struct cls_rule *rule, uint8_t nw_ecn)
 {
-    rule->wc.nw_tos_mask |= IP_ECN_MASK;
+    rule->wc.wildcards &= ~FWW_NW_ECN;
     rule->flow.nw_tos &= ~IP_ECN_MASK;
     rule->flow.nw_tos |= nw_ecn & IP_ECN_MASK;
 }
@@ -386,37 +368,31 @@ cls_rule_set_arp_tha(struct cls_rule *rule, const uint8_t tha[ETH_ADDR_LEN])
 void
 cls_rule_set_ipv6_src(struct cls_rule *rule, const struct in6_addr *src)
 {
-    cls_rule_set_ipv6_src_masked(rule, src, &in6addr_exact);
+    rule->flow.ipv6_src = *src;
+    rule->wc.ipv6_src_mask = in6addr_exact;
 }
 
-bool
+void
 cls_rule_set_ipv6_src_masked(struct cls_rule *rule, const struct in6_addr *src,
                              const struct in6_addr *mask)
 {
-    if (flow_wildcards_set_ipv6_src_mask(&rule->wc, mask)) {
-        rule->flow.ipv6_src = ipv6_addr_bitand(src, mask);
-        return true;
-    } else {
-        return false;
-    }
+    rule->flow.ipv6_src = ipv6_addr_bitand(src, mask);
+    rule->wc.ipv6_src_mask = *mask;
 }
 
 void
 cls_rule_set_ipv6_dst(struct cls_rule *rule, const struct in6_addr *dst)
 {
-    cls_rule_set_ipv6_dst_masked(rule, dst, &in6addr_exact);
+    rule->flow.ipv6_dst = *dst;
+    rule->wc.ipv6_dst_mask = in6addr_exact;
 }
 
-bool
+void
 cls_rule_set_ipv6_dst_masked(struct cls_rule *rule, const struct in6_addr *dst,
                              const struct in6_addr *mask)
 {
-    if (flow_wildcards_set_ipv6_dst_mask(&rule->wc, mask)) {
-        rule->flow.ipv6_dst = ipv6_addr_bitand(dst, mask);
-        return true;
-    } else {
-        return false;
-    }
+    rule->flow.ipv6_dst = ipv6_addr_bitand(dst, mask);
+    rule->wc.ipv6_dst_mask = *mask;
 }
 
 void
@@ -488,7 +464,7 @@ cls_rule_format(const struct cls_rule *rule, struct ds *s)
 
     int i;
 
-    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 6);
+    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7);
 
     if (rule->priority != OFP_DEFAULT_PRIORITY) {
         ds_put_format(s, "priority=%d,", rule->priority);
@@ -633,10 +609,10 @@ cls_rule_format(const struct cls_rule *rule, struct ds *s)
                     ETH_ADDR_ARGS(f->arp_tha));
         }
     }
-    if (wc->nw_tos_mask & IP_DSCP_MASK) {
+    if (!(w & FWW_NW_DSCP)) {
         ds_put_format(s, "nw_tos=%"PRIu8",", f->nw_tos & IP_DSCP_MASK);
     }
-    if (wc->nw_tos_mask & IP_ECN_MASK) {
+    if (!(w & FWW_NW_ECN)) {
         ds_put_format(s, "nw_ecn=%"PRIu8",", f->nw_tos & IP_ECN_MASK);
     }
     if (!(w & FWW_NW_TTL)) {
@@ -977,8 +953,7 @@ cls_cursor_first(struct cls_cursor *cursor)
 {
     struct cls_table *table;
 
-    for (table = classifier_first_table(cursor->cls); table;
-         table = classifier_next_table(cursor->cls, table)) {
+    HMAP_FOR_EACH (table, hmap_node, &cursor->cls->tables) {
         struct cls_rule *rule = search_table(table, cursor->target);
         if (rule) {
             cursor->table = table;
@@ -1012,8 +987,8 @@ cls_cursor_next(struct cls_cursor *cursor, struct cls_rule *rule)
         }
     }
 
-    for (table = classifier_next_table(cursor->cls, cursor->table); table;
-         table = classifier_next_table(cursor->cls, table)) {
+    table = cursor->table;
+    HMAP_FOR_EACH_CONTINUE (table, hmap_node, &cursor->cls->tables) {
         rule = search_table(table, cursor->target);
         if (rule) {
             cursor->table = table;
@@ -1051,20 +1026,6 @@ insert_table(struct classifier *cls, const struct flow_wildcards *wc)
     return table;
 }
 
-static struct cls_table *
-classifier_first_table(const struct classifier *cls)
-{
-    return cls_table_from_hmap_node(hmap_first(&cls->tables));
-}
-
-static struct cls_table *
-classifier_next_table(const struct classifier *cls,
-                      const struct cls_table *table)
-{
-    return cls_table_from_hmap_node(hmap_next(&cls->tables,
-                                              &table->hmap_node));
-}
-
 static void
 destroy_table(struct classifier *cls, struct cls_table *table)
 {
@@ -1188,7 +1149,7 @@ 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 == 6);
+    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 7);
 
     for (i = 0; i < FLOW_N_REGS; i++) {
         if ((a->regs[i] ^ b->regs[i]) & wildcards->reg_masks[i]) {
@@ -1216,7 +1177,8 @@ flow_equal_except(const struct flow *a, const struct flow *b,
                 || !((a->dl_dst[0] ^ b->dl_dst[0]) & 0x01))
             && (wc & FWW_NW_PROTO || a->nw_proto == b->nw_proto)
             && (wc & FWW_NW_TTL || a->nw_ttl == b->nw_ttl)
-            && !((a->nw_tos ^ b->nw_tos) & wildcards->nw_tos_mask)
+            && (wc & FWW_NW_DSCP || !((a->nw_tos ^ b->nw_tos) & IP_DSCP_MASK))
+            && (wc & FWW_NW_ECN || !((a->nw_tos ^ b->nw_tos) & IP_ECN_MASK))
             && !((a->nw_frag ^ b->nw_frag) & wildcards->nw_frag_mask)
             && (wc & FWW_ARP_SHA || eth_addr_equals(a->arp_sha, b->arp_sha))
             && (wc & FWW_ARP_THA || eth_addr_equals(a->arp_tha, b->arp_tha))