[PATCH 2.6.18-rc4] aoe [07/13]: jumbo frame support 2 of 2

From: Ed L. Cashin
Date: Fri Aug 18 2006 - 14:53:27 EST


Signed-off-by: "Ed L. Cashin" <ecashin@xxxxxxxxxx>

Add support for jumbo ethernet frames.
(This patch follows patch 5.)

diff -upr 2.6.18-rc4-orig/drivers/block/aoe/aoecmd.c 2.6.18-rc4-aoe/drivers/block/aoe/aoecmd.c
--- 2.6.18-rc4-orig/drivers/block/aoe/aoecmd.c 2006-08-17 16:45:34.000000000 -0400
+++ 2.6.18-rc4-aoe/drivers/block/aoe/aoecmd.c 2006-08-17 16:45:34.000000000 -0400
@@ -28,7 +28,7 @@ new_skb(ulong len)
skb->protocol = __constant_htons(ETH_P_AOE);
skb->priority = 0;
skb_put(skb, len);
- memset(skb->head, 0, len);
+ memset(skb->head, 0, ETH_ZLEN);
skb->next = skb->prev = NULL;

/* tell the network layer not to perform IP checksums
@@ -475,7 +475,7 @@ void
aoecmd_ata_rsp(struct sk_buff *skb)
{
struct aoedev *d;
- struct aoe_hdr *hin;
+ struct aoe_hdr *hin, *hout;
struct aoe_atahdr *ahin, *ahout;
struct frame *f;
struct buf *buf;
@@ -515,7 +515,8 @@ aoecmd_ata_rsp(struct sk_buff *skb)
calc_rttavg(d, tsince(f->tag));

ahin = (struct aoe_atahdr *) (hin+1);
- ahout = (struct aoe_atahdr *) (f->skb->mac.raw + sizeof(struct aoe_hdr));
+ hout = (struct aoe_hdr *) f->skb->mac.raw;
+ ahout = (struct aoe_atahdr *) (hout+1);
buf = f->buf;

if (ahout->cmdstat == WIN_IDENTIFY)
@@ -552,6 +553,9 @@ aoecmd_ata_rsp(struct sk_buff *skb)
skb_fill_page_desc(f->skb, 0,
virt_to_page(f->bufaddr),
offset_in_page(f->bufaddr), n);
+ f->tag = newtag(d);
+ hout->tag = cpu_to_be32(f->tag);
+ skb->dev = d->ifp;
skb_get(f->skb);
f->skb->next = NULL;
spin_unlock_irqrestore(&d->lock, flags);


--
"Ed L. Cashin" <ecashin@xxxxxxxxxx>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/