New port: FreeBSD driver for ATA over Ethernet (AoE)

Port author is Stacey D. Son. Two additional patches are added:
- a patch to fix build on FreeBSD 7 and later [1]
- a patch to fix device detection >2TB [2]

Submitted by:	pluknet [1], fjoe [2]
Tested by:	George Mamalakis

1 files changed, 57 insertions, 0 deletions

diff --git a/net/aoe/files/patch-aoecmd.c b/net/aoe/files/patch-aoecmd.c
new file mode 100644
index 000000000000..6868561e5ffb
--- /dev/null
+++ b/net/aoe/files/patch-aoecmd.c
@@ -0,0 +1,57 @@
+--- aoecmd.c.orig	2006-05-26 00:13:09.000000000 +0700
++++ aoecmd.c	2010-09-13 20:15:55.000000000 +0700
+@@ -44,6 +44,7 @@
+ #include <sys/mutex.h>
+ #include <sys/mbuf.h>
+ #include <sys/sysctl.h>
++#include <sys/endian.h>
+ 
+ #include <dev/aoe/aoe.h>
+ 
+@@ -427,29 +428,6 @@
+ 	goto loop;
+ }
+ 
+-static u_short
+-lhget16(u_char *p)
+-{
+-        u_short n;
+-
+-        n = p[1];
+-        n <<= 8;
+-	n |= p[0];
+-        return (n);
+-}
+-
+-static u_long
+-lhget32(u_char *p)
+-{
+-        u_long n;
+-
+-        n = lhget16(p+2);
+-        n <<= 16;
+-        n |= lhget16(p);
+-        return (n);
+-}
+-
+-
+ static void
+ ataid_complete(struct aoedev *d, char *id)
+ {
+@@ -457,13 +435,13 @@
+ 
+ 	memcpy(d->ad_ident, id, sizeof d->ad_ident);
+ 
+-	n = lhget16(id + (83<<1));		/* Command set supported. */
++	n = le16toh(*(uint16_t *) (id + (83<<1)));		/* Command set supported. */
+ 	if (n & (1<<10)) {			/* Lba48 */
+ 		atomic_set_32(&d->ad_flags, DEVFL_EXT);
+-		d->ad_nsectors = lhget32(id + (100<<1));	/* n lba48 sectors. */
++		d->ad_nsectors = le64toh(*(uint64_t *) (id + (100<<1)));	/* n lba48 sectors. */
+ 	} else {
+ 		atomic_clear_32(&d->ad_flags, DEVFL_EXT);
+-		d->ad_nsectors = lhget32(id + (60<<1));	/* n lba28 sectors. */
++		d->ad_nsectors = le32toh(*(uint32_t *) (id + (60<<1)));	/* n lba28 sectors. */
+ 	}
+ 	if (aoeblk_register(d) != 0)
+ 		IPRINTK("could not register disk\n");