[ovs-dev] [CudaMailTagged] [RFC PATCH 08/14] Add Meta flow key for NSH header
Johnson Li
johnson.li at intel.com
Tue Jun 7 18:09:50 UTC 2016
Signed-off-by: Johnson Li <johnson.li at intel.com>
diff --git a/include/openvswitch/meta-flow.h b/include/openvswitch/meta-flow.h
index e5f9962..344e5b7 100644
--- a/include/openvswitch/meta-flow.h
+++ b/include/openvswitch/meta-flow.h
@@ -1720,6 +1720,132 @@ enum OVS_PACKED_ENUM mf_field_id {
*/
MFF_ND_TLL,
+ /* "nsh_mdtype".
+ *
+ * For a packet received, it includes a (8-bit)
+ * nsh md-type field (md-type).
+ *
+ * Type: u8.
+ * Maskable: bitwise.
+ * Formatting: decimal.
+ * Prerequisites: none.
+ * Access: read/write.
+ * NXM: NXM_NX_NSH_MDTYPE(115) since v2.5.
+ * OXM: none.
+ */
+ MFF_NSH_MDTYPE,
+
+ /* "nsh_np".
+ *
+ * For a packet received, it includes a (8-bit)
+ * nsh next protocol field (np).
+ *
+ * Type: u8.
+ * Maskable: bitwise.
+ * Formatting: decimal.
+ * Prerequisites: none.
+ * Access: read/write.
+ * NXM: NXM_NX_NSH_NP(116) since v2.5.
+ * OXM: none.
+ */
+ MFF_NSH_NP,
+
+ /* "nsi".
+ *
+ * For a packet received, it includes a (8-bit)
+ * network service header service index (nsi).
+ *
+ * Type: u8.
+ * Maskable: bitwise.
+ * Formatting: decimal.
+ * Prerequisites: none.
+ * Access: read/write.
+ * NXM: NXM_NX_NSI(117) since v2.5.
+ * OXM: none.
+ */
+ MFF_NSI,
+
+ /* "nsp".
+ *
+ * For a packet received including a (32-bit)
+ * network service header service path (nsp), the nsp is stored
+ * in the low 24-bits and the high bits are zeroed. For
+ * other packets, the value is 0.
+ *
+ * Type: be32.
+ * Maskable: bitwise.
+ * Formatting: hexadecimal.
+ * Prerequisites: none.
+ * Access: read/write.
+ * NXM: NXM_NX_NSP(118) since v2.5.
+ * OXM: none.
+ */
+ MFF_NSP,
+
+ /* "nshc1".
+ *
+ * For a packet received including a (32-bit)
+ * Network Platform Context (nshc1), the nshc1 is stored
+ * in the 32-bits. For other packets, the value is 0.
+ *
+ * Type: be32.
+ * Maskable: bitwise.
+ * Formatting: hexadecimal.
+ * Prerequisites: none.
+ * Access: read/write.
+ * NXM: NXM_NX_NSH_C1(119) since v2.5.
+ * OXM: none.
+ */
+ MFF_NSH_C1,
+
+ /* "nshc2".
+ *
+ * For a packet received including a (32-bit)
+ * Network Shared Context (nshc2), the nshc2 is stored
+ * in the 32-bits. For other packets, the value is 0.
+ *
+ * Type: be32.
+ * Maskable: bitwise.
+ * Formatting: hexadecimal.
+ * Prerequisites: none.
+ * Access: read/write.
+ * NXM: NXM_NX_NSH_C2(120) since v2.5.
+ * OXM: none.
+ */
+ MFF_NSH_C2,
+
+ /* "nshc3".
+ *
+ * For a packet received via including a (32-bit)
+ * Service Platform Context (nshc3), the nshc3 is stored
+ * in the 32-bits. For other packets, the value is 0.
+ *
+ * Type: be32.
+ * Maskable: bitwise.
+ * Formatting: hexadecimal.
+ * Prerequisites: none.
+ * Access: read/write.
+ * NXM: NXM_NX_NSH_C3(121) since v2.5.
+ * OXM: none.
+ */
+ MFF_NSH_C3,
+
+ /* "nshc4".
+ *
+ * For a packet received including a (32-bit)
+ * Service Shared Context (nshc4), the nshc4 is stored
+ * in the 32-bits. For other packets, the value is 0.
+ *
+ * Type: be32.
+ * Maskable: bitwise.
+ * Formatting: hexadecimal.
+ * Prerequisites: none.
+ * Access: read/write.
+ * NXM: NXM_NX_NSH_C4(122) since v2.5.
+ * OXM: none.
+ */
+ MFF_NSH_C4,
+
MFF_N_IDS
};
diff --git a/lib/meta-flow.c b/lib/meta-flow.c
index 136295d..aa18ad4 100644
--- a/lib/meta-flow.c
+++ b/lib/meta-flow.c
@@ -325,6 +325,23 @@ mf_is_all_wild(const struct mf_field *mf, const struct flow_wildcards *wc)
case MFF_TCP_FLAGS:
return !wc->masks.tcp_flags;
+ case MFF_NSH_MDTYPE:
+ return !wc->masks.nsh.md_type;
+ case MFF_NSH_NP:
+ return !wc->masks.nsh.next_proto;
+ case MFF_NSI:
+ return !wc->masks.nsh.nsi;
+ case MFF_NSP:
+ return !wc->masks.nsh.nsp;
+ case MFF_NSH_C1:
+ return !wc->masks.nsh.nshc1;
+ case MFF_NSH_C2:
+ return !wc->masks.nsh.nshc2;
+ case MFF_NSH_C3:
+ return !wc->masks.nsh.nshc3;
+ case MFF_NSH_C4:
+ return !wc->masks.nsh.nshc4;
+
case MFF_N_IDS:
default:
OVS_NOT_REACHED();
@@ -610,6 +627,16 @@ mf_is_value_valid(const struct mf_field *mf, const union mf_value *value)
case MFF_CT_STATE:
return !(value->be32 & ~htonl(CS_SUPPORTED_MASK));
+ case MFF_NSH_MDTYPE:
+ case MFF_NSH_NP:
+ case MFF_NSI:
+ case MFF_NSP:
+ case MFF_NSH_C1:
+ case MFF_NSH_C2:
+ case MFF_NSH_C3:
+ case MFF_NSH_C4:
+ return true;
+
case MFF_N_IDS:
default:
OVS_NOT_REACHED();
@@ -852,6 +879,31 @@ mf_get_value(const struct mf_field *mf, const struct flow *flow,
value->ipv6 = flow->nd_target;
break;
+ case MFF_NSH_MDTYPE:
+ value->u8 = flow->nsh.md_type;
+ break;
+ case MFF_NSH_NP:
+ value->u8 = flow->nsh.next_proto;
+ break;
+ case MFF_NSI:
+ value->u8 = flow->nsh.nsi;
+ break;
+ case MFF_NSP:
+ value->be32 = flow->nsh.nsp;
+ break;
+ case MFF_NSH_C1:
+ value->be32 = flow->nsh.nshc1;
+ break;
+ case MFF_NSH_C2:
+ value->be32 = flow->nsh.nshc2;
+ break;
+ case MFF_NSH_C3:
+ value->be32 = flow->nsh.nshc3;
+ break;
+ case MFF_NSH_C4:
+ value->be32 = flow->nsh.nshc4;
+ break;
+
case MFF_N_IDS:
default:
OVS_NOT_REACHED();
@@ -1110,6 +1162,31 @@ mf_set_value(const struct mf_field *mf,
match_set_nd_target(match, &value->ipv6);
break;
+ case MFF_NSH_MDTYPE:
+ match_set_nsh_md_type(match, value->u8);
+ break;
+ case MFF_NSH_NP:
+ match_set_nsh_next_proto(match, value->u8);
+ break;
+ case MFF_NSI:
+ match_set_nsi(match, value->u8);
+ break;
+ case MFF_NSP:
+ match_set_nsp(match, value->be32);
+ break;
+ case MFF_NSH_C1:
+ match_set_nshc1(match, value->be32);
+ break;
+ case MFF_NSH_C2:
+ match_set_nshc2(match, value->be32);
+ break;
+ case MFF_NSH_C3:
+ match_set_nshc3(match, value->be32);
+ break;
+ case MFF_NSH_C4:
+ match_set_nshc4(match, value->be32);
+ break;
+
case MFF_N_IDS:
default:
OVS_NOT_REACHED();
@@ -1423,6 +1500,31 @@ mf_set_flow_value(const struct mf_field *mf,
flow->nd_target = value->ipv6;
break;
+ case MFF_NSH_MDTYPE:
+ flow->nsh.md_type = value->u8;
+ break;
+ case MFF_NSH_NP:
+ flow->nsh.next_proto = value->u8;
+ break;
+ case MFF_NSI:
+ flow->nsh.nsi = value->u8;
+ break;
+ case MFF_NSP:
+ flow->nsh.nsp = value->be32;
+ break;
+ case MFF_NSH_C1:
+ flow->nsh.nshc1 = value->be32;
+ break;
+ case MFF_NSH_C2:
+ flow->nsh.nshc2 = value->be32;
+ break;
+ case MFF_NSH_C3:
+ flow->nsh.nshc3 = value->be32;
+ break;
+ case MFF_NSH_C4:
+ flow->nsh.nshc4 = value->be32;
+ break;
+
case MFF_N_IDS:
default:
OVS_NOT_REACHED();
@@ -1747,6 +1849,31 @@ mf_set_wild(const struct mf_field *mf, struct match *match, char **err_str)
memset(&match->flow.nd_target, 0, sizeof match->flow.nd_target);
break;
+ case MFF_NSH_MDTYPE:
+ match_set_nsh_md_type_masked(match, 0, 0);
+ break;
+ case MFF_NSH_NP:
+ match_set_nsh_next_proto_masked(match, 0, 0);
+ break;
+ case MFF_NSI:
+ match_set_nsi_masked(match, 0, 0);
+ break;
+ case MFF_NSP:
+ match_set_nsp_masked(match, htonl(0), htonl(0));
+ break;
+ case MFF_NSH_C1:
+ match_set_nshc1_masked(match, htonl(0), htonl(0));
+ break;
+ case MFF_NSH_C2:
+ match_set_nshc2_masked(match, htonl(0), htonl(0));
+ break;
+ case MFF_NSH_C3:
+ match_set_nshc3_masked(match, htonl(0), htonl(0));
+ break;
+ case MFF_NSH_C4:
+ match_set_nshc4_masked(match, htonl(0), htonl(0));
+ break;
+
case MFF_N_IDS:
default:
OVS_NOT_REACHED();
@@ -1970,6 +2097,31 @@ mf_set(const struct mf_field *mf,
match_set_tcp_flags_masked(match, value->be16, mask->be16);
break;
+ case MFF_NSH_MDTYPE:
+ match_set_nsh_md_type_masked(match, value->u8, mask->u8);
+ break;
+ case MFF_NSH_NP:
+ match_set_nsh_next_proto_masked(match, value->u8, mask->u8);
+ break;
+ case MFF_NSI:
+ match_set_nsi_masked(match, value->u8, mask->u8);
+ break;
+ case MFF_NSP:
+ match_set_nsp_masked(match, value->be32, mask->be32);
+ break;
+ case MFF_NSH_C1:
+ match_set_nshc1_masked(match, value->be32, mask->be32);
+ break;
+ case MFF_NSH_C2:
+ match_set_nshc2_masked(match, value->be32, mask->be32);
+ break;
+ case MFF_NSH_C3:
+ match_set_nshc3_masked(match, value->be32, mask->be32);
+ break;
+ case MFF_NSH_C4:
+ match_set_nshc4_masked(match, value->be32, mask->be32);
+ break;
+
case MFF_N_IDS:
default:
OVS_NOT_REACHED();
diff --git a/lib/nx-match.c b/lib/nx-match.c
index aad6e02..0c6ab2c 100644
--- a/lib/nx-match.c
+++ b/lib/nx-match.c
@@ -1039,6 +1039,22 @@ nx_put_raw(struct ofpbuf *b, enum ofp_version oxm, const struct match *match,
flow->tunnel.gbp_flags, match->wc.masks.tunnel.gbp_flags);
tun_metadata_to_nx_match(b, oxm, match);
+ /* Network Service Header */
+ nxm_put_8m(b, MFF_NSH_MDTYPE, oxm, flow->nsh.md_type,
+ match->wc.masks.nsh.md_type);
+ nxm_put_8m(b, MFF_NSH_NP, oxm, flow->nsh.next_proto,
+ match->wc.masks.nsh.next_proto);
+ nxm_put_8m(b, MFF_NSI, oxm, flow->nsh.nsi, match->wc.masks.nsh.nsi);
+ nxm_put_32m(b, MFF_NSP, oxm, flow->nsh.nsp, match->wc.masks.nsh.nsp);
+ nxm_put_32m(b, MFF_NSH_C1, oxm, flow->nsh.nshc1,
+ match->wc.masks.nsh.nshc1);
+ nxm_put_32m(b, MFF_NSH_C2, oxm, flow->nsh.nshc2,
+ match->wc.masks.nsh.nshc2);
+ nxm_put_32m(b, MFF_NSH_C3, oxm, flow->nsh.nshc3,
+ match->wc.masks.nsh.nshc3);
+ nxm_put_32m(b, MFF_NSH_C4, oxm, flow->nsh.nshc4,
+ match->wc.masks.nsh.nshc4);
+
/* Registers. */
if (oxm < OFP15_VERSION) {
for (i = 0; i < FLOW_N_REGS; i++) {
--
1.8.4.2
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