sunvnet: add VIO v1.7 and v1.8 support
This patch adds support for VIO v1.7 (extended descriptor format)
and v1.8 (receive-side checksumming) to the sunvnet driver.
Signed-off-by: David L Stevens <david.stevens@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h
index d758c8d..fb124fe 100644
--- a/arch/sparc/include/asm/vio.h
+++ b/arch/sparc/include/asm/vio.h
@@ -247,6 +247,25 @@
struct ldc_trans_cookie cookies[0];
};
+struct vio_net_dext {
+ u8 flags;
+#define VNET_PKT_HASH 0x01
+#define VNET_PKT_HCK_IPV4_HDRCKSUM 0x02
+#define VNET_PKT_HCK_FULLCKSUM 0x04
+#define VNET_PKT_IPV4_LSO 0x08
+#define VNET_PKT_HCK_IPV4_HDRCKSUM_OK 0x10
+#define VNET_PKT_HCK_FULLCKSUM_OK 0x20
+
+ u8 vnet_hashval;
+ u16 ipv4_lso_mss;
+ u32 resv3;
+};
+
+static inline struct vio_net_dext *vio_net_ext(struct vio_net_desc *desc)
+{
+ return (struct vio_net_dext *)&desc->cookies[2];
+}
+
#define VIO_MAX_RING_COOKIES 24
struct vio_dring_state {