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authorDavid L Stevens <david.stevens@oracle.com>2014-12-02 23:31:04 +0300
committerDavid S. Miller <davem@davemloft.net>2014-12-09 05:18:29 +0300
commit6d0ba919915f0117a651a1fb732f48529b2c4091 (patch)
tree5eb14d5137e6419774554770042685e6acf60b5b /arch/sparc
parentd6732489f079ff65f8ea551392ccae469cba4653 (diff)
downloadlinux-6d0ba919915f0117a651a1fb732f48529b2c4091.tar.xz
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>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/vio.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h
index d758c8d8f47d..fb124feb363b 100644
--- a/arch/sparc/include/asm/vio.h
+++ b/arch/sparc/include/asm/vio.h
@@ -247,6 +247,25 @@ struct vio_net_desc {
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 {