diff options
| author | Ed L. Cashin <ecashin@coraid.com> | 2006-09-20 20:36:49 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-10-18 21:53:50 +0200 |
| commit | 19bf26353c50bc2be375109ec73f2f0bbd616ed1 (patch) | |
| tree | 5bcdf714d67d573885d2f42a7c0a79586de77c25 /drivers/block/aoe/aoe.h | |
| parent | aoe: zero copy write 1 of 2 (diff) | |
| download | linux-19bf26353c50bc2be375109ec73f2f0bbd616ed1.tar.xz linux-19bf26353c50bc2be375109ec73f2f0bbd616ed1.zip | |
aoe: jumbo frame support 1 of 2
Add support for jumbo ethernet frames.
(This patch depends on patch 7 to follow.)
Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/block/aoe/aoe.h')
| -rw-r--r-- | drivers/block/aoe/aoe.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h index fa2d804b2665..1cec19986c40 100644 --- a/drivers/block/aoe/aoe.h +++ b/drivers/block/aoe/aoe.h @@ -65,7 +65,7 @@ struct aoe_atahdr { struct aoe_cfghdr { __be16 bufcnt; __be16 fwver; - unsigned char res; + unsigned char scnt; unsigned char aoeccmd; unsigned char cslen[2]; }; @@ -78,12 +78,13 @@ enum { DEVFL_GDALLOC = (1<<4), /* need to alloc gendisk */ DEVFL_PAUSE = (1<<5), DEVFL_NEWSIZE = (1<<6), /* need to update dev size in block layer */ + DEVFL_MAXBCNT = (1<<7), /* d->maxbcnt is not changeable */ BUFFL_FAIL = 1, }; enum { - MAXATADATA = 1024, + DEFAULTBCNT = 2 * 512, /* 2 sectors */ NPERSHELF = 16, /* number of slots per shelf address */ FREETAG = -1, MIN_BUFS = 8, @@ -107,6 +108,8 @@ struct frame { ulong waited; struct buf *buf; char *bufaddr; + ulong bcnt; + sector_t lba; struct sk_buff *skb; }; @@ -120,6 +123,7 @@ struct aoedev { ulong nopen; /* (bd_openers isn't available without sleeping) */ ulong rttavg; /* round trip average of requests/responses */ u16 fw_ver; /* version of blade's firmware */ + u16 maxbcnt; struct work_struct work;/* disk create work struct */ struct gendisk *gd; request_queue_t blkq; @@ -134,7 +138,8 @@ struct aoedev { struct list_head bufq; /* queue of bios to work on */ struct buf *inprocess; /* the one we're currently working on */ ulong lasttag; /* last tag sent */ - ulong nframes; /* number of frames below */ + ushort lostjumbo; + ushort nframes; /* number of frames below */ struct frame *frames; }; |