VIRTCHNL_VFR_VFACTIVE,
};
+#define VIRTCHNL_MAX_NUM_PROTO_HDRS 32
+#define PROTO_HDR_SHIFT 5
+#define PROTO_HDR_FIELD_START(proto_hdr_type) \
+ (proto_hdr_type << PROTO_HDR_SHIFT)
+#define PROTO_HDR_FIELD_MASK ((1UL << PROTO_HDR_SHIFT) - 1)
+
+/* VF use these macros to configure each protocol header.
+ * Specify which protocol headers and protocol header fields base on
+ * virtchnl_proto_hdr_type and virtchnl_proto_hdr_field.
+ * @param hdr: a struct of virtchnl_proto_hdr
+ * @param hdr_type: ETH/IPV4/TCP, etc
+ * @param field: SRC/DST/TEID/SPI, etc
+ */
+#define VIRTCHNL_ADD_PROTO_HDR_FIELD(hdr, field) \
+ ((hdr)->field_selector |= BIT((field) & PROTO_HDR_FIELD_MASK))
+#define VIRTCHNL_DEL_PROTO_HDR_FIELD(hdr, field) \
+ ((hdr)->field_selector &= ~BIT((field) & PROTO_HDR_FIELD_MASK))
+#define VIRTCHNL_TEST_PROTO_HDR_FIELD(hdr, val) \
+ ((hdr)->field_selector & BIT((val) & PROTO_HDR_FIELD_MASK))
+#define VIRTCHNL_GET_PROTO_HDR_FIELD(hdr) ((hdr)->field_selector)
+
+#define VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, hdr_type, field) \
+ (VIRTCHNL_ADD_PROTO_HDR_FIELD(hdr, \
+ VIRTCHNL_PROTO_HDR_ ## hdr_type ## _ ## field))
+#define VIRTCHNL_DEL_PROTO_HDR_FIELD_BIT(hdr, hdr_type, field) \
+ (VIRTCHNL_DEL_PROTO_HDR_FIELD(hdr, \
+ VIRTCHNL_PROTO_HDR_ ## hdr_type ## _ ## field))
+
+#define VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, hdr_type) \
+ ((hdr)->type = VIRTCHNL_PROTO_HDR_ ## hdr_type)
+#define VIRTCHNL_GET_PROTO_HDR_TYPE(hdr) \
+ (((hdr)->type) >> PROTO_HDR_SHIFT)
+#define VIRTCHNL_TEST_PROTO_HDR_TYPE(hdr, val) \
+ ((hdr)->type == ((val) >> PROTO_HDR_SHIFT))
+#define VIRTCHNL_TEST_PROTO_HDR(hdr, val) \
+ (VIRTCHNL_TEST_PROTO_HDR_TYPE(hdr, val) && \
+ VIRTCHNL_TEST_PROTO_HDR_FIELD(hdr, val))
+
+/* Protocol header type within a packet segment. A segment consists of one or
+ * more protocol headers that make up a logical group of protocol headers. Each
+ * logical group of protocol headers encapsulates or is encapsulated using/by
+ * tunneling or encapsulation protocols for network virtualization.
+ */
+enum virtchnl_proto_hdr_type {
+ VIRTCHNL_PROTO_HDR_NONE,
+ VIRTCHNL_PROTO_HDR_ETH,
+ VIRTCHNL_PROTO_HDR_S_VLAN,
+ VIRTCHNL_PROTO_HDR_C_VLAN,
+ VIRTCHNL_PROTO_HDR_IPV4,
+ VIRTCHNL_PROTO_HDR_IPV6,
+ VIRTCHNL_PROTO_HDR_TCP,
+ VIRTCHNL_PROTO_HDR_UDP,
+ VIRTCHNL_PROTO_HDR_SCTP,
+ VIRTCHNL_PROTO_HDR_GTPU_IP,
+ VIRTCHNL_PROTO_HDR_GTPU_EH,
+ VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_DWN,
+ VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_UP,
+ VIRTCHNL_PROTO_HDR_PPPOE,
+ VIRTCHNL_PROTO_HDR_L2TPV3,
+ VIRTCHNL_PROTO_HDR_ESP,
+ VIRTCHNL_PROTO_HDR_AH,
+ VIRTCHNL_PROTO_HDR_PFCP,
+};
+
+/* Protocol header field within a protocol header. */
+enum virtchnl_proto_hdr_field {
+ /* ETHER */
+ VIRTCHNL_PROTO_HDR_ETH_SRC =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_ETH),
+ VIRTCHNL_PROTO_HDR_ETH_DST,
+ VIRTCHNL_PROTO_HDR_ETH_ETHERTYPE,
+ /* S-VLAN */
+ VIRTCHNL_PROTO_HDR_S_VLAN_ID =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_S_VLAN),
+ /* C-VLAN */
+ VIRTCHNL_PROTO_HDR_C_VLAN_ID =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_C_VLAN),
+ /* IPV4 */
+ VIRTCHNL_PROTO_HDR_IPV4_SRC =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_IPV4),
+ VIRTCHNL_PROTO_HDR_IPV4_DST,
+ VIRTCHNL_PROTO_HDR_IPV4_DSCP,
+ VIRTCHNL_PROTO_HDR_IPV4_TTL,
+ VIRTCHNL_PROTO_HDR_IPV4_PROT,
+ /* IPV6 */
+ VIRTCHNL_PROTO_HDR_IPV6_SRC =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_IPV6),
+ VIRTCHNL_PROTO_HDR_IPV6_DST,
+ VIRTCHNL_PROTO_HDR_IPV6_TC,
+ VIRTCHNL_PROTO_HDR_IPV6_HOP_LIMIT,
+ VIRTCHNL_PROTO_HDR_IPV6_PROT,
+ /* TCP */
+ VIRTCHNL_PROTO_HDR_TCP_SRC_PORT =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_TCP),
+ VIRTCHNL_PROTO_HDR_TCP_DST_PORT,
+ /* UDP */
+ VIRTCHNL_PROTO_HDR_UDP_SRC_PORT =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_UDP),
+ VIRTCHNL_PROTO_HDR_UDP_DST_PORT,
+ /* SCTP */
+ VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_SCTP),
+ VIRTCHNL_PROTO_HDR_SCTP_DST_PORT,
+ /* GTPU_IP */
+ VIRTCHNL_PROTO_HDR_GTPU_IP_TEID =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_GTPU_IP),
+ /* GTPU_EH */
+ VIRTCHNL_PROTO_HDR_GTPU_EH_PDU =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_GTPU_EH),
+ VIRTCHNL_PROTO_HDR_GTPU_EH_QFI,
+ /* PPPOE */
+ VIRTCHNL_PROTO_HDR_PPPOE_SESS_ID =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_PPPOE),
+ /* L2TPV3 */
+ VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_L2TPV3),
+ /* ESP */
+ VIRTCHNL_PROTO_HDR_ESP_SPI =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_ESP),
+ /* AH */
+ VIRTCHNL_PROTO_HDR_AH_SPI =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_AH),
+ /* PFCP */
+ VIRTCHNL_PROTO_HDR_PFCP_S_FIELD =
+ PROTO_HDR_FIELD_START(VIRTCHNL_PROTO_HDR_PFCP),
+ VIRTCHNL_PROTO_HDR_PFCP_SEID,
+};
+
+struct virtchnl_proto_hdr {
+ enum virtchnl_proto_hdr_type type;
+ u32 field_selector; /* a bit mask to select field for header type */
+ u8 buffer[64];
+ /**
+ * binary buffer in network order for specific header type.
+ * For example, if type = VIRTCHNL_PROTO_HDR_IPV4, a IPv4
+ * header is expected to be copied into the buffer.
+ */
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(72, virtchnl_proto_hdr);
+
+struct virtchnl_proto_hdrs {
+ u8 tunnel_level;
+ /**
+ * specify where protocol header start from.
+ * 0 - from the outer layer
+ * 1 - from the first inner layer
+ * 2 - from the second inner layer
+ * ....
+ **/
+ int count; /* the proto layers must < VIRTCHNL_MAX_NUM_PROTO_HDRS */
+ struct virtchnl_proto_hdr proto_hdr[VIRTCHNL_MAX_NUM_PROTO_HDRS];
+};
+
+VIRTCHNL_CHECK_STRUCT_LEN(2312, virtchnl_proto_hdrs);
+
/**
* virtchnl_vc_validate_vf_msg
* @ver: Virtchnl version info
git.droids-corp.org / dpdk.git / blobdiff