Commit 029720f1 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by David S. Miller

[AOE]: Introduce aoe_hdr()

For consistency with other skb->mac.raw users.
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4839fcce
......@@ -48,6 +48,15 @@ struct aoe_hdr {
__be32 tag;
};
#ifdef __KERNEL__
#include <linux/skbuff.h>
static inline struct aoe_hdr *aoe_hdr(const struct sk_buff *skb)
{
return (struct aoe_hdr *)skb->mac.raw;
}
#endif
struct aoe_atahdr {
unsigned char aflags;
unsigned char errfeat;
......
......@@ -118,7 +118,7 @@ aoecmd_ata_rw(struct aoedev *d, struct frame *f)
/* initialize the headers & frame */
skb = f->skb;
h = (struct aoe_hdr *) skb->mac.raw;
h = aoe_hdr(skb);
ah = (struct aoe_atahdr *) (h+1);
skb_put(skb, sizeof *h + sizeof *ah);
memset(h, 0, skb->len);
......@@ -207,7 +207,7 @@ aoecmd_cfg_pkts(ushort aoemajor, unsigned char aoeminor, struct sk_buff **tail)
skb->dev = ifp;
if (sl_tail == NULL)
sl_tail = skb;
h = (struct aoe_hdr *) skb->mac.raw;
h = aoe_hdr(skb);
memset(h, 0, sizeof *h + sizeof *ch);
memset(h->dst, 0xff, sizeof h->dst);
......@@ -300,7 +300,7 @@ rexmit(struct aoedev *d, struct frame *f)
aoechr_error(buf);
skb = f->skb;
h = (struct aoe_hdr *) skb->mac.raw;
h = aoe_hdr(skb);
ah = (struct aoe_atahdr *) (h+1);
f->tag = n;
h->tag = cpu_to_be32(n);
......@@ -529,7 +529,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
char ebuf[128];
u16 aoemajor;
hin = (struct aoe_hdr *) skb->mac.raw;
hin = aoe_hdr(skb);
aoemajor = be16_to_cpu(get_unaligned(&hin->major));
d = aoedev_by_aoeaddr(aoemajor, hin->minor);
if (d == NULL) {
......@@ -561,7 +561,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
calc_rttavg(d, tsince(f->tag));
ahin = (struct aoe_atahdr *) (hin+1);
hout = (struct aoe_hdr *) f->skb->mac.raw;
hout = aoe_hdr(f->skb);
ahout = (struct aoe_atahdr *) (hout+1);
buf = f->buf;
......@@ -695,7 +695,7 @@ aoecmd_ata_id(struct aoedev *d)
/* initialize the headers & frame */
skb = f->skb;
h = (struct aoe_hdr *) skb->mac.raw;
h = aoe_hdr(skb);
ah = (struct aoe_atahdr *) (h+1);
skb_put(skb, sizeof *h + sizeof *ah);
memset(h, 0, skb->len);
......@@ -726,7 +726,7 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
enum { MAXFRAMES = 16 };
u16 n;
h = (struct aoe_hdr *) skb->mac.raw;
h = aoe_hdr(skb);
ch = (struct aoe_cfghdr *) (h+1);
/*
......
......@@ -123,7 +123,7 @@ aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt,
goto exit;
skb_push(skb, ETH_HLEN); /* (1) */
h = (struct aoe_hdr *) skb->mac.raw;
h = aoe_hdr(skb);
n = be32_to_cpu(get_unaligned(&h->tag));
if ((h->verfl & AOEFL_RSP) == 0 || (n & 1<<31))
goto exit;
......
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