return tnl->ip_dst || ipv6_addr_is_set(&tnl->ipv6_dst);
}
+static inline bool
+flow_tnl_src_is_set(const struct flow_tnl *tnl)
+{
+ return tnl->ip_src || ipv6_addr_is_set(&tnl->ipv6_src);
+}
+
struct in6_addr flow_tnl_dst(const struct flow_tnl *tnl);
struct in6_addr flow_tnl_src(const struct flow_tnl *tnl);
|| ((a.be16[2] ^ b.be16[2]) & mask.be16[2]));
}
-static inline uint64_t eth_addr_to_uint64(const struct eth_addr ea)
-{
- return (((uint64_t) ntohs(ea.be16[0]) << 32)
- | ((uint64_t) ntohs(ea.be16[1]) << 16)
- | ntohs(ea.be16[2]));
-}
+uint64_t eth_addr_to_uint64(const struct eth_addr ea);
static inline uint64_t eth_addr_vlan_to_uint64(const struct eth_addr ea,
uint16_t vlan)
return (((uint64_t)vlan << 48) | eth_addr_to_uint64(ea));
}
-static inline void eth_addr_from_uint64(uint64_t x, struct eth_addr *ea)
-{
- ea->be16[0] = htons(x >> 32);
- ea->be16[1] = htons((x & 0xFFFF0000) >> 16);
- ea->be16[2] = htons(x & 0xFFFF);
-}
+void eth_addr_from_uint64(uint64_t x, struct eth_addr *ea);
static inline struct eth_addr eth_addr_invert(const struct eth_addr src)
{
return dst;
}
-static inline void eth_addr_mark_random(struct eth_addr *ea)
-{
- ea->ea[0] &= ~1; /* Unicast. */
- ea->ea[0] |= 2; /* Private. */
-}
+void eth_addr_mark_random(struct eth_addr *ea);
static inline void eth_addr_random(struct eth_addr *ea)
{
ovs_16aligned_be32 be32[4];
};
-/* Like struct in6_hdr, but whereas that struct requires 32-bit alignment, this
+/* Like struct ip6_hdr, but whereas that struct requires 32-bit alignment, this
* one only requires 16-bit alignment. */
struct ovs_16aligned_ip6_hdr {
union {
}
}
-static inline void
-in6_addr_solicited_node(struct in6_addr *addr, const struct in6_addr *ip6)
-{
- union ovs_16aligned_in6_addr *taddr =
- (union ovs_16aligned_in6_addr *) addr;
- memset(taddr->be16, 0, sizeof(taddr->be16));
- taddr->be16[0] = htons(0xff02);
- taddr->be16[5] = htons(0x1);
- taddr->be16[6] = htons(0xff00);
- memcpy(&addr->s6_addr[13], &ip6->s6_addr[13], 3);
-}
+void in6_addr_solicited_node(struct in6_addr *addr,
+ const struct in6_addr *ip6);
-/*
- * Generates ipv6 EUI64 address from the given eth addr
- * and prefix and stores it in 'lla'
- */
-static inline void
-in6_generate_eui64(struct eth_addr ea, struct in6_addr *prefix,
- struct in6_addr *lla)
-{
- union ovs_16aligned_in6_addr *taddr =
- (union ovs_16aligned_in6_addr *) lla;
- union ovs_16aligned_in6_addr *prefix_taddr =
- (union ovs_16aligned_in6_addr *) prefix;
- taddr->be16[0] = prefix_taddr->be16[0];
- taddr->be16[1] = prefix_taddr->be16[1];
- taddr->be16[2] = prefix_taddr->be16[2];
- taddr->be16[3] = prefix_taddr->be16[3];
- taddr->be16[4] = htons(((ea.ea[0] ^ 0x02) << 8) | ea.ea[1]);
- taddr->be16[5] = htons(ea.ea[2] << 8 | 0x00ff);
- taddr->be16[6] = htons(0xfe << 8 | ea.ea[3]);
- taddr->be16[7] = ea.be16[2];
-}
+void in6_generate_eui64(struct eth_addr ea, const struct in6_addr *prefix,
+ struct in6_addr *lla);
-/*
- * Generates ipv6 link local address from the given eth addr
- * with prefix 'fe80::/64' and stores it in 'lla'
- */
-static inline void
-in6_generate_lla(struct eth_addr ea, struct in6_addr *lla)
-{
- union ovs_16aligned_in6_addr *taddr =
- (union ovs_16aligned_in6_addr *) lla;
- memset(taddr->be16, 0, sizeof(taddr->be16));
- taddr->be16[0] = htons(0xfe80);
- taddr->be16[4] = htons(((ea.ea[0] ^ 0x02) << 8) | ea.ea[1]);
- taddr->be16[5] = htons(ea.ea[2] << 8 | 0x00ff);
- taddr->be16[6] = htons(0xfe << 8 | ea.ea[3]);
- taddr->be16[7] = ea.be16[2];
-}
+void in6_generate_lla(struct eth_addr ea, struct in6_addr *lla);
/* Returns true if 'addr' is a link local address. Otherwise, false. */
-static inline bool
-in6_is_lla(struct in6_addr *addr)
-{
-#ifdef s6_addr32
- return addr->s6_addr32[0] == htonl(0xfe800000) && !(addr->s6_addr32[1]);
-#else
- return addr->s6_addr[0] == 0xfe && addr->s6_addr[1] == 0x80 &&
- !(addr->s6_addr[2] | addr->s6_addr[3] | addr->s6_addr[4] |
- addr->s6_addr[5] | addr->s6_addr[6] | addr->s6_addr[7]);
-#endif
-}
+bool in6_is_lla(struct in6_addr *addr);
-static inline void
-ipv6_multicast_to_ethernet(struct eth_addr *eth, const struct in6_addr *ip6)
-{
- eth->ea[0] = 0x33;
- eth->ea[1] = 0x33;
- eth->ea[2] = ip6->s6_addr[12];
- eth->ea[3] = ip6->s6_addr[13];
- eth->ea[4] = ip6->s6_addr[14];
- eth->ea[5] = ip6->s6_addr[15];
-}
+void ipv6_multicast_to_ethernet(struct eth_addr *eth,
+ const struct in6_addr *ip6);
static inline bool dl_type_is_ip_any(ovs_be16 dl_type)
{
return ts;
}
+/*
+ * GTP-U protocol header and metadata
+ * See:
+ * User Plane Protocol and Architectural Analysis on 3GPP 5G System
+ * draft-hmm-dmm-5g-uplane-analysis-00
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Ver |P|R|E|S|N| Message Type| Length |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Tunnel Endpoint Identifier |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Sequence Number | N-PDU Number | Next-Ext-Hdr |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *
+ * GTP-U Flags:
+ * P: Protocol Type (Set to '1')
+ * R: Reserved Bit (Set to '0')
+ * E: Extension Header Flag (Set to '1' if extension header exists)
+ * S: Sequence Number Flag (Set to '1' if sequence number exists)
+ * N: N-PDU Number Flag (Set to '1' if N-PDU number exists)
+ *
+ * GTP-U Message Type:
+ * Indicates the type of GTP-U message.
+ *
+ * GTP-U Length:
+ * Indicates the length in octets of the payload.
+ *
+ * User payload is transmitted in G-PDU packets.
+ */
+
+#define GTPU_VER_MASK 0xe0
+#define GTPU_P_MASK 0x10
+#define GTPU_E_MASK 0x04
+#define GTPU_S_MASK 0x02
+
+/* GTP-U UDP port. */
+#define GTPU_DST_PORT 2152
+
+/* Default GTP-U flags: Ver = 1 and P = 1. */
+#define GTPU_FLAGS_DEFAULT 0x30
+
+/* GTP-U message type for normal user plane PDU. */
+#define GTPU_MSGTYPE_REQ 1 /* Echo Request. */
+#define GTPU_MSGTYPE_REPL 2 /* Echo Reply. */
+#define GTPU_MSGTYPE_GPDU 255 /* User Payload. */
+
+struct gtpu_metadata {
+ uint8_t flags;
+ uint8_t msgtype;
+};
+BUILD_ASSERT_DECL(sizeof(struct gtpu_metadata) == 2);
+
+struct gtpuhdr {
+ struct gtpu_metadata md;
+ ovs_be16 len;
+ ovs_16aligned_be32 teid;
+};
+BUILD_ASSERT_DECL(sizeof(struct gtpuhdr) == 8);
+
+struct gtpuhdr_opt {
+ ovs_be16 seqno;
+ uint8_t pdu_number;
+ uint8_t next_ext_type;
+};
+BUILD_ASSERT_DECL(sizeof(struct gtpuhdr_opt) == 4);
+
/* VXLAN protocol header */
struct vxlanhdr {
union {
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