From 6d0ba919915f0117a651a1fb732f48529b2c4091 Mon Sep 17 00:00:00 2001 From: David L Stevens Date: Tue, 2 Dec 2014 15:31:04 -0500 Subject: 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 Signed-off-by: David S. Miller --- arch/sparc/include/asm/vio.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'arch/sparc') 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 { -- cgit v1.2.1