xen-netback: enable IPv6 TCP GSO to the guest

[cascardo/linux.git] / drivers / net / xen-netback / common.h

diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
index a197743..55b8dec 100644 (file)
--- a/drivers/net/xen-netback/common.h
+++ b/drivers/net/xen-netback/common.h
@@ -87,9 +87,13 @@ struct pending_tx_info {
 struct xenvif_rx_meta {
        int id;
        int size;
+       int gso_type;
        int gso_size;
 };
 
+#define GSO_BIT(type) \
+       (1 << XEN_NETIF_GSO_TYPE_ ## type)
+
 /* Discriminate from any valid pending_idx value. */
 #define INVALID_PENDING_IDX 0xFFFF
 
@@ -150,10 +154,12 @@ struct xenvif {
        u8               fe_dev_addr[6];
 
        /* Frontend feature information. */
+       int gso_mask;
+       int gso_prefix_mask;
+
        u8 can_sg:1;
-       u8 gso:1;
-       u8 gso_prefix:1;
-       u8 csum:1;
+       u8 ip_csum:1;
+       u8 ipv6_csum:1;
 
        /* Internal feature information. */
        u8 can_queue:1;     /* can queue packets for receiver? */
@@ -184,6 +190,7 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref,
                   unsigned long rx_ring_ref, unsigned int tx_evtchn,
                   unsigned int rx_evtchn);
 void xenvif_disconnect(struct xenvif *vif);
+void xenvif_free(struct xenvif *vif);
 
 int xenvif_xenbus_init(void);
 void xenvif_xenbus_fini(void);