[PATCH] aoe 2/12: allow multiple aoe devices with same MAC
allow multiple aoe devices with same MAC addr
Signed-off-by: Ed L. Cashin <ecashin@coraid.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h
index 551dd8e..ae16a21 100644
--- a/drivers/block/aoe/aoe.h
+++ b/drivers/block/aoe/aoe.h
@@ -156,7 +156,7 @@
int aoedev_init(void);
void aoedev_exit(void);
-struct aoedev *aoedev_bymac(unsigned char *);
+struct aoedev *aoedev_by_aoeaddr(int maj, int min);
void aoedev_downdev(struct aoedev *d);
struct aoedev *aoedev_set(ulong, unsigned char *, struct net_device *, ulong);
int aoedev_busy(void);
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 1b711a5..5d43769 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -380,14 +380,15 @@
register long n;
ulong flags;
char ebuf[128];
-
+ u16 aoemajor;
+
hin = (struct aoe_hdr *) skb->mac.raw;
- d = aoedev_bymac(hin->src);
+ aoemajor = __be16_to_cpu(*((u16 *) hin->major));
+ d = aoedev_by_aoeaddr(aoemajor, hin->minor);
if (d == NULL) {
snprintf(ebuf, sizeof ebuf, "aoecmd_ata_rsp: ata response "
"for unknown device %d.%d\n",
- __be16_to_cpu(*((u16 *) hin->major)),
- hin->minor);
+ aoemajor, hin->minor);
aoechr_error(ebuf);
return;
}
diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c
index 240abae..a40a78a 100644
--- a/drivers/block/aoe/aoedev.c
+++ b/drivers/block/aoe/aoedev.c
@@ -13,7 +13,7 @@
static spinlock_t devlist_lock;
struct aoedev *
-aoedev_bymac(unsigned char *macaddr)
+aoedev_by_aoeaddr(int maj, int min)
{
struct aoedev *d;
ulong flags;
@@ -21,7 +21,7 @@
spin_lock_irqsave(&devlist_lock, flags);
for (d=devlist; d; d=d->next)
- if (!memcmp(d->addr, macaddr, 6))
+ if (d->aoemajor == maj && d->aoeminor == min)
break;
spin_unlock_irqrestore(&devlist_lock, flags);
@@ -125,7 +125,6 @@
d->ifp = ifp;
if (d->sysminor != sysminor
- || memcmp(d->addr, addr, sizeof d->addr)
|| (d->flags & DEVFL_UP) == 0) {
aoedev_downdev(d); /* flushes outstanding frames */
memcpy(d->addr, addr, sizeof d->addr);