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sunvnet: add VIO v1.7 and v1.8 support

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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>
This commit is contained in:
David L Stevens
2014-12-02 15:31:04 -05:00
committed by David S. Miller
parent d6732489f0
commit 6d0ba91991
2 changed files with 111 additions and 10 deletions
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19
arch/sparc/include/asm/vio.h
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@@ -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 {