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Diffstat (limited to 'include/xen/interface/io/netif.h')
-rw-r--r--include/xen/interface/io/netif.h80
1 files changed, 42 insertions, 38 deletions
diff --git a/include/xen/interface/io/netif.h b/include/xen/interface/io/netif.h
index 518481c95f1..cb94668f6e9 100644
--- a/include/xen/interface/io/netif.h
+++ b/include/xen/interface/io/netif.h
@@ -22,50 +22,50 @@
/*
* This is the 'wire' format for packets:
- * Request 1: netif_tx_request -- NETTXF_* (any flags)
- * [Request 2: netif_tx_extra] (only if request 1 has NETTXF_extra_info)
- * [Request 3: netif_tx_extra] (only if request 2 has XEN_NETIF_EXTRA_MORE)
- * Request 4: netif_tx_request -- NETTXF_more_data
- * Request 5: netif_tx_request -- NETTXF_more_data
+ * Request 1: xen_netif_tx_request -- XEN_NETTXF_* (any flags)
+ * [Request 2: xen_netif_extra_info] (only if request 1 has XEN_NETTXF_extra_info)
+ * [Request 3: xen_netif_extra_info] (only if request 2 has XEN_NETIF_EXTRA_MORE)
+ * Request 4: xen_netif_tx_request -- XEN_NETTXF_more_data
+ * Request 5: xen_netif_tx_request -- XEN_NETTXF_more_data
* ...
- * Request N: netif_tx_request -- 0
+ * Request N: xen_netif_tx_request -- 0
*/
/* Protocol checksum field is blank in the packet (hardware offload)? */
-#define _NETTXF_csum_blank (0)
-#define NETTXF_csum_blank (1U<<_NETTXF_csum_blank)
+#define _XEN_NETTXF_csum_blank (0)
+#define XEN_NETTXF_csum_blank (1U<<_XEN_NETTXF_csum_blank)
/* Packet data has been validated against protocol checksum. */
-#define _NETTXF_data_validated (1)
-#define NETTXF_data_validated (1U<<_NETTXF_data_validated)
+#define _XEN_NETTXF_data_validated (1)
+#define XEN_NETTXF_data_validated (1U<<_XEN_NETTXF_data_validated)
/* Packet continues in the next request descriptor. */
-#define _NETTXF_more_data (2)
-#define NETTXF_more_data (1U<<_NETTXF_more_data)
+#define _XEN_NETTXF_more_data (2)
+#define XEN_NETTXF_more_data (1U<<_XEN_NETTXF_more_data)
/* Packet to be followed by extra descriptor(s). */
-#define _NETTXF_extra_info (3)
-#define NETTXF_extra_info (1U<<_NETTXF_extra_info)
+#define _XEN_NETTXF_extra_info (3)
+#define XEN_NETTXF_extra_info (1U<<_XEN_NETTXF_extra_info)
struct xen_netif_tx_request {
grant_ref_t gref; /* Reference to buffer page */
uint16_t offset; /* Offset within buffer page */
- uint16_t flags; /* NETTXF_* */
+ uint16_t flags; /* XEN_NETTXF_* */
uint16_t id; /* Echoed in response message. */
uint16_t size; /* Packet size in bytes. */
};
-/* Types of netif_extra_info descriptors. */
-#define XEN_NETIF_EXTRA_TYPE_NONE (0) /* Never used - invalid */
-#define XEN_NETIF_EXTRA_TYPE_GSO (1) /* u.gso */
-#define XEN_NETIF_EXTRA_TYPE_MAX (2)
+/* Types of xen_netif_extra_info descriptors. */
+#define XEN_NETIF_EXTRA_TYPE_NONE (0) /* Never used - invalid */
+#define XEN_NETIF_EXTRA_TYPE_GSO (1) /* u.gso */
+#define XEN_NETIF_EXTRA_TYPE_MAX (2)
-/* netif_extra_info flags. */
-#define _XEN_NETIF_EXTRA_FLAG_MORE (0)
-#define XEN_NETIF_EXTRA_FLAG_MORE (1U<<_XEN_NETIF_EXTRA_FLAG_MORE)
+/* xen_netif_extra_info flags. */
+#define _XEN_NETIF_EXTRA_FLAG_MORE (0)
+#define XEN_NETIF_EXTRA_FLAG_MORE (1U<<_XEN_NETIF_EXTRA_FLAG_MORE)
/* GSO types - only TCPv4 currently supported. */
-#define XEN_NETIF_GSO_TYPE_TCPV4 (1)
+#define XEN_NETIF_GSO_TYPE_TCPV4 (1)
/*
* This structure needs to fit within both netif_tx_request and
@@ -107,7 +107,7 @@ struct xen_netif_extra_info {
struct xen_netif_tx_response {
uint16_t id;
- int16_t status; /* NETIF_RSP_* */
+ int16_t status; /* XEN_NETIF_RSP_* */
};
struct xen_netif_rx_request {
@@ -116,25 +116,29 @@ struct xen_netif_rx_request {
};
/* Packet data has been validated against protocol checksum. */
-#define _NETRXF_data_validated (0)
-#define NETRXF_data_validated (1U<<_NETRXF_data_validated)
+#define _XEN_NETRXF_data_validated (0)
+#define XEN_NETRXF_data_validated (1U<<_XEN_NETRXF_data_validated)
/* Protocol checksum field is blank in the packet (hardware offload)? */
-#define _NETRXF_csum_blank (1)
-#define NETRXF_csum_blank (1U<<_NETRXF_csum_blank)
+#define _XEN_NETRXF_csum_blank (1)
+#define XEN_NETRXF_csum_blank (1U<<_XEN_NETRXF_csum_blank)
/* Packet continues in the next request descriptor. */
-#define _NETRXF_more_data (2)
-#define NETRXF_more_data (1U<<_NETRXF_more_data)
+#define _XEN_NETRXF_more_data (2)
+#define XEN_NETRXF_more_data (1U<<_XEN_NETRXF_more_data)
/* Packet to be followed by extra descriptor(s). */
-#define _NETRXF_extra_info (3)
-#define NETRXF_extra_info (1U<<_NETRXF_extra_info)
+#define _XEN_NETRXF_extra_info (3)
+#define XEN_NETRXF_extra_info (1U<<_XEN_NETRXF_extra_info)
+
+/* GSO Prefix descriptor. */
+#define _XEN_NETRXF_gso_prefix (4)
+#define XEN_NETRXF_gso_prefix (1U<<_XEN_NETRXF_gso_prefix)
struct xen_netif_rx_response {
uint16_t id;
uint16_t offset; /* Offset in page of start of received packet */
- uint16_t flags; /* NETRXF_* */
+ uint16_t flags; /* XEN_NETRXF_* */
int16_t status; /* -ve: BLKIF_RSP_* ; +ve: Rx'ed pkt size. */
};
@@ -149,10 +153,10 @@ DEFINE_RING_TYPES(xen_netif_rx,
struct xen_netif_rx_request,
struct xen_netif_rx_response);
-#define NETIF_RSP_DROPPED -2
-#define NETIF_RSP_ERROR -1
-#define NETIF_RSP_OKAY 0
-/* No response: used for auxiliary requests (e.g., netif_tx_extra). */
-#define NETIF_RSP_NULL 1
+#define XEN_NETIF_RSP_DROPPED -2
+#define XEN_NETIF_RSP_ERROR -1
+#define XEN_NETIF_RSP_OKAY 0
+/* No response: used for auxiliary requests (e.g., xen_netif_extra_info). */
+#define XEN_NETIF_RSP_NULL 1
#endif