datapath: add skb mark matching and set action

[cascardo/ovs.git] / lib / flow.c

diff --git a/lib/flow.c b/lib/flow.c
index 76d2340..f886ff2 100644 (file)
--- a/lib/flow.c
+++ b/lib/flow.c
@@ -31,6 +31,7 @@
 #include "csum.h"
 #include "dynamic-string.h"
 #include "hash.h"
+#include "match.h"
 #include "ofpbuf.h"
 #include "openflow/openflow.h"
 #include "packets.h"
@@ -334,7 +335,7 @@ invalid:
  *      present and has a correct length, and otherwise NULL.
  */
 void
-flow_extract(struct ofpbuf *packet, uint32_t skb_priority,
+flow_extract(struct ofpbuf *packet, uint32_t skb_priority, uint32_t skb_mark,
              const struct flow_tnl *tnl, uint16_t ofp_in_port,
              struct flow *flow)
 {
@@ -351,6 +352,7 @@ flow_extract(struct ofpbuf *packet, uint32_t skb_priority,
     }
     flow->in_port = ofp_in_port;
     flow->skb_priority = skb_priority;
+    flow->skb_mark = skb_mark;
 
     packet->l2 = b.data;
     packet->l3 = NULL;
@@ -423,7 +425,8 @@ flow_extract(struct ofpbuf *packet, uint32_t skb_priority,
                 packet->l7 = b.data;
             }
         }
-    } else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
+    } else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
+               flow->dl_type == htons(ETH_TYPE_RARP)) {
         const struct arp_eth_header *arp = pull_arp(&b);
         if (arp && arp->ar_hrd == htons(1)
             && arp->ar_pro == htons(ETH_TYPE_IP)
@@ -434,13 +437,10 @@ flow_extract(struct ofpbuf *packet, uint32_t skb_priority,
                 flow->nw_proto = ntohs(arp->ar_op);
             }
 
-            if ((flow->nw_proto == ARP_OP_REQUEST)
-                || (flow->nw_proto == ARP_OP_REPLY)) {
-                flow->nw_src = arp->ar_spa;
-                flow->nw_dst = arp->ar_tpa;
-                memcpy(flow->arp_sha, arp->ar_sha, ETH_ADDR_LEN);
-                memcpy(flow->arp_tha, arp->ar_tha, ETH_ADDR_LEN);
-            }
+            flow->nw_src = arp->ar_spa;
+            flow->nw_dst = arp->ar_tpa;
+            memcpy(flow->arp_sha, arp->ar_sha, ETH_ADDR_LEN);
+            memcpy(flow->arp_tha, arp->ar_tha, ETH_ADDR_LEN);
         }
     }
 }
@@ -463,7 +463,7 @@ flow_zero_wildcards(struct flow *flow, const struct flow_wildcards *wildcards)
 void
 flow_get_metadata(const struct flow *flow, struct flow_metadata *fmd)
 {
-    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 17);
+    BUILD_ASSERT_DECL(FLOW_WC_SEQ == 18);
 
     fmd->tun_id = flow->tunnel.tun_id;
     fmd->metadata = flow->metadata;
@@ -479,94 +479,13 @@ flow_to_string(const struct flow *flow)
     return ds_cstr(&ds);
 }
 
-static void format_tunnel_flags(uint16_t flags, struct ds *ds)
-{
-    flags &= ~FLOW_TNL_F_KEY;
-
-    if (flags & FLOW_TNL_F_DONT_FRAGMENT) {
-        ds_put_cstr(ds, ",df");
-        flags &= ~FLOW_TNL_F_DONT_FRAGMENT;
-    }
-
-    if (flags & FLOW_TNL_F_CSUM) {
-        ds_put_cstr(ds, ",csum");
-        flags &= ~FLOW_TNL_F_CSUM;
-    }
-
-    if (flags) {
-        ds_put_format(ds, ",flags:%#"PRIx16, flags);
-    }
-}
-
 void
 flow_format(struct ds *ds, const struct flow *flow)
 {
-    ds_put_format(ds, "priority:%"PRIu32, flow->skb_priority);
-
-    if (flow->tunnel.ip_dst || flow->tunnel.tun_id) {
-        ds_put_cstr(ds, ",tunnel(");
-        ds_put_format(ds, IP_FMT"->"IP_FMT, IP_ARGS(&flow->tunnel.ip_src),
-                                            IP_ARGS(&flow->tunnel.ip_dst));
+    struct match match;
 
-        if (flow->tunnel.flags & FLOW_TNL_F_KEY) {
-            ds_put_format(ds, ",key:%#"PRIx64, ntohll(flow->tunnel.tun_id));
-        }
-        ds_put_format(ds, ",tos:%#"PRIx8",ttl:%"PRIu8, flow->tunnel.ip_tos,
-                                                       flow->tunnel.ip_ttl);
-        format_tunnel_flags(flow->tunnel.flags, ds);
-        ds_put_char(ds, ')');
-    }
-
-    ds_put_format(ds, ",metadata:%#"PRIx64
-                      ",in_port:%04"PRIx16,
-                      ntohll(flow->metadata),
-                      flow->in_port);
-
-    ds_put_format(ds, ",tci(");
-    if (flow->vlan_tci) {
-        ds_put_format(ds, "vlan:%"PRIu16",pcp:%d",
-                      vlan_tci_to_vid(flow->vlan_tci),
-                      vlan_tci_to_pcp(flow->vlan_tci));
-    } else {
-        ds_put_char(ds, '0');
-    }
-    ds_put_format(ds, ") mac("ETH_ADDR_FMT"->"ETH_ADDR_FMT
-                      ") type:%04"PRIx16,
-                  ETH_ADDR_ARGS(flow->dl_src),
-                  ETH_ADDR_ARGS(flow->dl_dst),
-                  ntohs(flow->dl_type));
-
-    if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
-        ds_put_format(ds, " label:%#"PRIx32" proto:%"PRIu8" tos:%#"PRIx8
-                          " ttl:%"PRIu8" ipv6(",
-                      ntohl(flow->ipv6_label), flow->nw_proto,
-                      flow->nw_tos, flow->nw_ttl);
-        print_ipv6_addr(ds, &flow->ipv6_src);
-        ds_put_cstr(ds, "->");
-        print_ipv6_addr(ds, &flow->ipv6_dst);
-        ds_put_char(ds, ')');
-    } else if (flow->dl_type == htons(ETH_TYPE_IP) ||
-               flow->dl_type == htons(ETH_TYPE_ARP)) {
-        ds_put_format(ds, " proto:%"PRIu8" tos:%#"PRIx8" ttl:%"PRIu8
-                          " ip("IP_FMT"->"IP_FMT")",
-                          flow->nw_proto, flow->nw_tos, flow->nw_ttl,
-                          IP_ARGS(&flow->nw_src), IP_ARGS(&flow->nw_dst));
-    }
-    if (flow->nw_frag) {
-        ds_put_format(ds, " frag(%s)",
-                      flow->nw_frag == FLOW_NW_FRAG_ANY ? "first"
-                      : flow->nw_frag == (FLOW_NW_FRAG_ANY | FLOW_NW_FRAG_LATER)
-                      ? "later" : "<error>");
-    }
-    if (flow->tp_src || flow->tp_dst) {
-        ds_put_format(ds, " port(%"PRIu16"->%"PRIu16")",
-                ntohs(flow->tp_src), ntohs(flow->tp_dst));
-    }
-    if (!eth_addr_is_zero(flow->arp_sha) || !eth_addr_is_zero(flow->arp_tha)) {
-        ds_put_format(ds, " arp_ha("ETH_ADDR_FMT"->"ETH_ADDR_FMT")",
-                ETH_ADDR_ARGS(flow->arp_sha),
-                ETH_ADDR_ARGS(flow->arp_tha));
-    }
+    match_wc_init(&match, flow);
+    match_format(&match, ds, flow->skb_priority);
 }
 
 void
@@ -891,7 +810,8 @@ flow_compose(struct ofpbuf *b, const struct flow *flow)
         ip->ip_csum = csum(ip, sizeof *ip);
     } else if (flow->dl_type == htons(ETH_TYPE_IPV6)) {
         /* XXX */
-    } else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
+    } else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
+               flow->dl_type == htons(ETH_TYPE_RARP)) {
         struct arp_eth_header *arp;
 
         b->l3 = arp = ofpbuf_put_zeros(b, sizeof *arp);