[ovs-dev] [PATCH 1/2] tests: Improve test coverage of OXM metadata field

Joe Stringer joe at wand.net.nz
Wed Jul 11 12:01:11 UTC 2012


Signed-off-by: Joe Stringer <joe at wand.net.nz>
---
 tests/ovs-ofctl.at      |   11 ++++++++---
 tests/test-classifier.c |   14 ++++++++++++++
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/tests/ovs-ofctl.at b/tests/ovs-ofctl.at
index 491e0ab..a50a04d 100644
--- a/tests/ovs-ofctl.at
+++ b/tests/ovs-ofctl.at
@@ -42,6 +42,7 @@ actions=set_tunnel:0x1234,set_tunnel64:0x9876,set_tunnel:0x123456789
 actions=multipath(eth_src, 50, hrw, 12, 0, NXM_NX_REG0[0..3]),multipath(symmetric_l4, 1024, iter_hash, 5000, 5050, NXM_NX_REG0[0..12])
 table=1,actions=drop
 tun_id=0x1234000056780000/0xffff0000ffff0000,actions=drop
+metadata=0x1234ffff5678ffff/0xffff0000ffff0000,actions=drop
 actions=bundle(eth_src,50,active_backup,ofport,slaves:1)
 actions=bundle(symmetric_l4,60,hrw,ofport,slaves:2,3)
 actions=bundle(symmetric_l4,60,hrw,ofport,slaves:)
@@ -75,6 +76,7 @@ NXT_FLOW_MOD: ADD table:255 actions=set_tunnel:0x1234,set_tunnel64:0x9876,set_tu
 NXT_FLOW_MOD: ADD table:255 actions=multipath(eth_src,50,hrw,12,0,NXM_NX_REG0[0..3]),multipath(symmetric_l4,1024,iter_hash,5000,5050,NXM_NX_REG0[0..12])
 NXT_FLOW_MOD: ADD table:1 actions=drop
 NXT_FLOW_MOD: ADD table:255 tun_id=0x1234000056780000/0xffff0000ffff0000 actions=drop
+NXT_FLOW_MOD: ADD table:255 metadata=0x1234000056780000/0xffff0000ffff0000 actions=drop
 NXT_FLOW_MOD: ADD table:255 actions=bundle(eth_src,50,active_backup,ofport,slaves:1)
 NXT_FLOW_MOD: ADD table:255 actions=bundle(symmetric_l4,60,hrw,ofport,slaves:2,3)
 NXT_FLOW_MOD: ADD table:255 actions=bundle(symmetric_l4,60,hrw,ofport,slaves:)
@@ -1276,12 +1278,15 @@ OXM_OF_IN_PORT(00000001), OXM_OF_ETH_TYPE(0800)
 ])
 AT_CLEANUP
 
-dnl Check that "-F openflow10" rejects a flow_mod with a tun_id, since
-dnl OpenFlow 1.0 doesn't support tunnels.
-AT_SETUP([ovs-ofctl -F option and tun_id])
+dnl Check that "-F openflow10" rejects a flow_mod with unsupported features,
+dnl such as tunnels and metadata.
+AT_SETUP([ovs-ofctl -F option and NXM features])
 AT_CHECK([ovs-ofctl -F openflow10 add-flow dummy tun_id=123,actions=drop],
   [1], [], [ovs-ofctl: none of the usable flow formats (NXM) is among the allowed flow formats (OpenFlow10)
 ])
+AT_CHECK([ovs-ofctl -F openflow10 add-flow dummy metadata=123,actions=drop],
+  [1], [], [ovs-ofctl: none of the usable flow formats (NXM) is among the allowed flow formats (OpenFlow10)
+])
 AT_CLEANUP
 
 dnl Check that "-F nxm" really forces add-flow to use the NXM flow format.
diff --git a/tests/test-classifier.c b/tests/test-classifier.c
index 25f6edb..e7cf734 100644
--- a/tests/test-classifier.c
+++ b/tests/test-classifier.c
@@ -45,6 +45,7 @@
     /*        FWW_* bit(s)                member name  name     */  \
     /*        --------------------------  -----------  -------- */  \
     CLS_FIELD(0,                          tun_id,      TUN_ID)      \
+    CLS_FIELD(0,                          metadata,    METADATA)    \
     CLS_FIELD(0,                          nw_src,      NW_SRC)      \
     CLS_FIELD(0,                          nw_dst,      NW_DST)      \
     CLS_FIELD(FWW_IN_PORT,                in_port,     IN_PORT)     \
@@ -213,6 +214,9 @@ match(const struct cls_rule *wild, const struct flow *fixed)
                    & wild->wc.vlan_tci_mask);
         } else if (f_idx == CLS_F_IDX_TUN_ID) {
             eq = !((fixed->tun_id ^ wild->flow.tun_id) & wild->wc.tun_id_mask);
+        } else if (f_idx == CLS_F_IDX_METADATA) {
+            eq = !((fixed->metadata ^ wild->flow.metadata)
+                   & wild->wc.metadata_mask);
         } else if (f_idx == CLS_F_IDX_NW_DSCP) {
             eq = !((fixed->nw_tos ^ wild->flow.nw_tos) & IP_DSCP_MASK);
         } else {
@@ -263,6 +267,9 @@ static ovs_be32 nw_dst_values[] = { CONSTANT_HTONL(0xc0a80002),
 static ovs_be64 tun_id_values[] = {
     0,
     CONSTANT_HTONLL(UINT64_C(0xfedcba9876543210)) };
+static ovs_be64 metadata_values[] = {
+    0,
+    CONSTANT_HTONLL(UINT64_C(0xfedcba9876543210)) };
 static uint16_t in_port_values[] = { 1, OFPP_LOCAL };
 static ovs_be16 vlan_tci_values[] = { CONSTANT_HTONS(101), CONSTANT_HTONS(0) };
 static ovs_be16 dl_type_values[]
@@ -285,6 +292,9 @@ init_values(void)
     values[CLS_F_IDX_TUN_ID][0] = &tun_id_values[0];
     values[CLS_F_IDX_TUN_ID][1] = &tun_id_values[1];
 
+    values[CLS_F_IDX_METADATA][0] = &metadata_values[0];
+    values[CLS_F_IDX_METADATA][1] = &metadata_values[1];
+
     values[CLS_F_IDX_IN_PORT][0] = &in_port_values[0];
     values[CLS_F_IDX_IN_PORT][1] = &in_port_values[1];
 
@@ -322,6 +332,7 @@ init_values(void)
 #define N_NW_SRC_VALUES ARRAY_SIZE(nw_src_values)
 #define N_NW_DST_VALUES ARRAY_SIZE(nw_dst_values)
 #define N_TUN_ID_VALUES ARRAY_SIZE(tun_id_values)
+#define N_METADATA_VALUES ARRAY_SIZE(metadata_values)
 #define N_IN_PORT_VALUES ARRAY_SIZE(in_port_values)
 #define N_VLAN_TCI_VALUES ARRAY_SIZE(vlan_tci_values)
 #define N_DL_TYPE_VALUES ARRAY_SIZE(dl_type_values)
@@ -369,6 +380,7 @@ compare_classifiers(struct classifier *cls, struct tcls *tcls)
         flow.nw_src = nw_src_values[get_value(&x, N_NW_SRC_VALUES)];
         flow.nw_dst = nw_dst_values[get_value(&x, N_NW_DST_VALUES)];
         flow.tun_id = tun_id_values[get_value(&x, N_TUN_ID_VALUES)];
+        flow.metadata = metadata_values[get_value(&x, N_METADATA_VALUES)];
         flow.in_port = in_port_values[get_value(&x, N_IN_PORT_VALUES)];
         flow.vlan_tci = vlan_tci_values[get_value(&x, N_VLAN_TCI_VALUES)];
         flow.dl_type = dl_type_values[get_value(&x, N_DL_TYPE_VALUES)];
@@ -485,6 +497,8 @@ make_rule(int wc_fields, unsigned int priority, int value_pat)
             rule->cls_rule.wc.vlan_tci_mask = htons(UINT16_MAX);
         } else if (f_idx == CLS_F_IDX_TUN_ID) {
             rule->cls_rule.wc.tun_id_mask = htonll(UINT64_MAX);
+        } else if (f_idx == CLS_F_IDX_METADATA) {
+            rule->cls_rule.wc.metadata_mask = htonll(UINT64_MAX);
         } else {
             NOT_REACHED();
         }
-- 
1.7.2.5




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