diff -uprN vblade-19/aoe.c vblade-19-mpio-1/aoe.c
--- vblade-19/aoe.c	2008-10-08 14:07:40.000000000 -0700
+++ vblade-19-mpio-1/aoe.c	2009-02-27 17:21:31.000000000 -0800
@@ -9,6 +9,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <netinet/in.h>
+#include <poll.h>
 #include "dat.h"
 #include "fns.h"
 
@@ -22,11 +23,12 @@ int nmasks;
 char config[Nconfig];
 int nconfig = 0;
 int maxscnt = 2;
-char *ifname;
+char **ifname;
+int ifname_count = 0;
 int bufcnt = Bufcount;
 
 void
-aoead(int fd)	// advertise the virtual blade
+aoead(int fd, uchar *mac_n, char *ifname_n)	// advertise the virtual blade
 {
 	uchar buf[2000];
 	Conf *p;
@@ -35,14 +37,14 @@ aoead(int fd)	// advertise the virtual b
 	p = (Conf *)buf;
 	memset(p, 0, sizeof *p);
 	memset(p->h.dst, 0xff, 6);
-	memmove(p->h.src, mac, 6);
+	memmove(p->h.src, mac_n, 6);
 	p->h.type = htons(0x88a2);
 	p->h.flags = Resp;
 	p->h.maj = htons(shelf);
 	p->h.min = slot;
 	p->h.cmd = Config;
 	p->bufcnt = htons(bufcnt);
-	p->scnt = maxscnt = (getmtu(sfd, ifname) - sizeof (Ata)) / 512;
+	p->scnt = maxscnt = (getmtu(fd, ifname_n) - sizeof (Ata)) / 512;
 	p->firmware = htons(FWV);
 	p->vercmd = 0x10 | Qread;
 	memcpy(p->data, config, nconfig);
@@ -111,7 +113,7 @@ aoeata(Ata *p, int pktlen)	// do ATA req
 // yes, this makes unnecessary copies.
 
 int
-confcmd(Conf *p, int payload)	// process conf request
+confcmd(Conf *p, int payload, int fd, uchar *mac_n, char *ifname_n)	// process conf request
 {
 	int len;
 
@@ -151,14 +153,14 @@ confcmd(Conf *p, int payload)	// process
 	memmove(p->data, config, nconfig);
 	p->len = htons(nconfig);
 	p->bufcnt = htons(bufcnt);
-	p->scnt = maxscnt = (getmtu(sfd, ifname) - sizeof (Ata)) / 512;
+	p->scnt = maxscnt = (getmtu(fd, ifname_n) - sizeof (Ata)) / 512;
 	p->firmware = htons(FWV);
 	p->vercmd = 0x10 | QCMD(p);	// aoe v.1
 	return nconfig + sizeof *p - sizeof p->data;
 }
 
 void
-doaoe(Aoehdr *p, int n)
+doaoe(Aoehdr *p, int n, int fd, uchar *mac_n, char *ifname_n)
 {
 	int len;
 	enum {	// config query header size
@@ -174,7 +176,7 @@ doaoe(Aoehdr *p, int n)
 	case Config:
 		if (n < CHDR_SIZ)
 			return;
-		len = confcmd((Conf *)p, n - CHDR_SIZ);
+		len = confcmd((Conf *)p, n - CHDR_SIZ, fd, mac_n, ifname_n);
 		if (len == 0)
 			return;
 		break;
@@ -184,11 +186,11 @@ doaoe(Aoehdr *p, int n)
 		break;
 	}
 	memmove(p->dst, p->src, 6);
-	memmove(p->src, mac, 6);
+	memmove(p->src, mac_n, 6);
 	p->maj = htons(shelf);
 	p->min = slot;
 	p->flags |= Resp;
-	if (putpkt(sfd, (uchar *) p, len) == -1) {
+	if (putpkt(fd, (uchar *) p, len) == -1) {
 		perror("write to network");
 		exit(1);
 	}
@@ -199,10 +201,17 @@ aoe(void)
 {
 	Aoehdr *p;
 	uchar *buf;
-	int n, sh;
+	int i, n, sh;
+	int ifname_c = ifname_count;
+	int ifname_ok = ifname_count;
 	long pagesz;
 	enum { bufsz = 1<<16, };
-
+	struct pollfd *sfds = malloc(sizeof(struct pollfd)*ifname_count);
+		
+	if(!sfds) {
+		perror("malloc");
+		exit(1);
+	}
 	if ((pagesz = sysconf(_SC_PAGESIZE)) < 0) {
 		perror("sysconf");
 		exit(1);
@@ -215,36 +224,68 @@ aoe(void)
 	if (n & (pagesz - 1))
 		buf += pagesz - (n & (pagesz - 1));
 
-	aoead(sfd);
+	for(n = 0; n < ifname_c; n++) {
+		aoead(sfd[n], mac[n], ifname[n]);
+		sfds[n].fd = sfd[n];
+		sfds[n].events = POLLIN;
+		sfds[n].revents = 0;
+	}
 
 	for (;;) {
-		n = getpkt(sfd, buf, bufsz);
-		if (n < 0) {
-			perror("read network");
-			exit(1);
+		if(poll(sfds, ifname_c, -1) < 1) {
+			perror("poll");
+			return;
+		}
+		for(i = 0; i < ifname_c; i++) {
+			if(sfds[i].revents & POLLIN) {
+				n = getpkt(sfds[i].fd, buf, bufsz);
+				if (n < 0) {
+					perror("read network");
+					exit(1);
+				}
+				if (n < sizeof(Aoehdr))
+					continue;
+				p = (Aoehdr *) buf;
+				if (ntohs(p->type) != 0x88a2)
+					continue;
+				if (p->flags & Resp)
+					continue;
+				sh = ntohs(p->maj);
+				if (sh != shelf && sh != (ushort)~0)
+					continue;
+				if (p->min != slot && p->min != (uchar)~0)
+					continue;
+				if (nmasks && !maskok(p->src))
+					continue;
+				doaoe(p, n, sfds[i].fd, mac[i], ifname[i]);
+			
+			} else if (sfds[i].revents & POLLHUP || sfds[i].revents & POLLERR || sfds[i].revents & POLLNVAL) {
+				
+				if(ifname_ok-- < 1) {
+					fprintf(stderr, "exiting, no good interfaces left.\n");
+					fflush(stderr);
+					exit(1);
+				}
+				fprintf(stderr, "disabling interface %s because of poll() error. %d good interfaces left.\n", ifname[i], ifname_ok);
+				sfds[i].revents = 0;
+				sfds[i].events = 0;
+				close(sfds[i].fd);
+				sfds[i].fd = -1;
+				
+				/* seems like readvertising the blade works best */
+				/*for(n = 0; n < ifname_c; n++) {
+					if(i != n)
+						aoead(sfd[n], mac[n], ifname[n]);
+				}*/
+			}
 		}
-		if (n < sizeof(Aoehdr))
-			continue;
-		p = (Aoehdr *) buf;
-		if (ntohs(p->type) != 0x88a2)
-			continue;
-		if (p->flags & Resp)
-			continue;
-		sh = ntohs(p->maj);
-		if (sh != shelf && sh != (ushort)~0)
-			continue;
-		if (p->min != slot && p->min != (uchar)~0)
-			continue;
-		if (nmasks && !maskok(p->src))
-			continue;
-		doaoe(p, n);
 	}
 }
 
 void
 usage(void)
 {
-	fprintf(stderr, "usage: %s [-b bufcnt] [-d ] [-s] [-r] [ -m mac[,mac...] ] shelf slot netif filename\n", 
+	fprintf(stderr, "usage: %s [-b bufcnt] [-d ] [-s] [-r] [ -i netif] [ -m mac[,mac...] ] shelf slot netif filename\n",
 		progname);
 	exit(1);
 }
@@ -304,13 +345,18 @@ maskok(uchar *ea)
 int
 main(int argc, char **argv)
 {
-	int ch, omode = 0, readonly = 0;
+	int ch, omode = 0, readonly = 0, i = 0;
 
 	bufcnt = Bufcount;
 	setbuf(stdin, NULL);
 	atainit();
 	progname = *argv;
-	while ((ch = getopt(argc, argv, "b:dsrm:")) != -1) {
+
+	if((ifname = malloc(sizeof(*ifname))) == NULL) {
+		perror("malloc");
+		exit(1);
+	}
+	while ((ch = getopt(argc, argv, "b:dsrm:i:")) != -1) {
 		switch (ch) {
 		case 'b':
 			bufcnt = atoi(optarg);
@@ -329,6 +375,14 @@ main(int argc, char **argv)
 		case 'm':
 			setmask(optarg);
 			break;
+		case 'i':
+			ifname_count++;
+			if((ifname = realloc(ifname, sizeof(*ifname)*(ifname_count+1))) == NULL) {
+				perror("malloc");
+				exit(1);
+			}			
+			ifname[ifname_count-1] = optarg;
+			break;
 		case '?':
 		default:
 			usage();
@@ -348,9 +402,25 @@ main(int argc, char **argv)
 	slot = atoi(argv[1]);
 	size = getsize(bfd);
 	size /= 512;
-	ifname = argv[2];
-	sfd = dial(ifname, bufcnt);
-	getea(sfd, ifname, mac);
+	ifname[ifname_count] = argv[2];
+	ifname_count++;
+	if((sfd = malloc(sizeof(*sfd)*ifname_count)) == NULL) {
+		perror("malloc");
+		exit(1);
+	}
+	if((mac = malloc(sizeof(*mac)*ifname_count)) == NULL) {
+		perror("malloc");
+		exit(1);
+	}
+
+	for(; i < ifname_count; i++) {
+		if((mac[i] = malloc(sizeof(uchar)*6)) == NULL) {
+			perror("malloc");
+			exit(1);
+		}
+		sfd[i] = dial(ifname[i], bufcnt);
+		getea(sfd[i], ifname[i], mac[i]);
+	}
 	printf("pid %ld: e%d.%d, %lld sectors %s\n",
 		(long) getpid(), shelf, slot, size,
 		readonly ? "O_RDONLY" : "O_RDWR");
Binary files vblade-19/aoe.o and vblade-19-mpio-1/aoe.o differ
Binary files vblade-19/ata.o and vblade-19-mpio-1/ata.o differ
Binary files vblade-19/bpf.o and vblade-19-mpio-1/bpf.o differ
diff -uprN vblade-19/contrib/p1.diff vblade-19-mpio-1/contrib/p1.diff
--- vblade-19/contrib/p1.diff	1969-12-31 16:00:00.000000000 -0800
+++ vblade-19-mpio-1/contrib/p1.diff	2009-02-26 17:53:45.000000000 -0800
@@ -0,0 +1,313 @@
+diff -uprN vblade-19.orig/aoe.c vblade-19/aoe.c
+--- vblade-19.orig/aoe.c	2008-10-08 21:07:40.000000000 +0000
++++ vblade-19/aoe.c	2009-02-26 04:39:02.000000000 +0000
+@@ -9,6 +9,7 @@
+  #include <sys/stat.h>
+  #include <fcntl.h>
+  #include <netinet/in.h>
++#include <poll.h>
+  #include "dat.h"
+  #include "fns.h"
+
+@@ -22,11 +23,12 @@ int nmasks;
+  char config[Nconfig];
+  int nconfig = 0;
+  int maxscnt = 2;
+-char *ifname;
++char **ifname;
++int ifname_count = 0;
+  int bufcnt = Bufcount;
+
+  void
+-aoead(int fd)	// advertise the virtual blade
++aoead(int fd, uchar *mac_n, char *ifname_n)	// advertise the virtual  
+blade
+  {
+  	uchar buf[2000];
+  	Conf *p;
+@@ -35,14 +37,14 @@ aoead(int fd)	// advertise the virtual b
+  	p = (Conf *)buf;
+  	memset(p, 0, sizeof *p);
+  	memset(p->h.dst, 0xff, 6);
+-	memmove(p->h.src, mac, 6);
++	memmove(p->h.src, mac_n, 6);
+  	p->h.type = htons(0x88a2);
+  	p->h.flags = Resp;
+  	p->h.maj = htons(shelf);
+  	p->h.min = slot;
+  	p->h.cmd = Config;
+  	p->bufcnt = htons(bufcnt);
+-	p->scnt = maxscnt = (getmtu(sfd, ifname) - sizeof (Ata)) / 512;
++	p->scnt = maxscnt = (getmtu(fd, ifname_n) - sizeof (Ata)) / 512;
+  	p->firmware = htons(FWV);
+  	p->vercmd = 0x10 | Qread;
+  	memcpy(p->data, config, nconfig);
+@@ -111,7 +113,7 @@ aoeata(Ata *p, int pktlen)	// do ATA req
+  // yes, this makes unnecessary copies.
+
+  int
+-confcmd(Conf *p, int payload)	// process conf request
++confcmd(Conf *p, int payload, int fd, uchar *mac_n, char  
+*ifname_n)	// process conf request
+  {
+  	int len;
+
+@@ -151,14 +153,14 @@ confcmd(Conf *p, int payload)	// process
+  	memmove(p->data, config, nconfig);
+  	p->len = htons(nconfig);
+  	p->bufcnt = htons(bufcnt);
+-	p->scnt = maxscnt = (getmtu(sfd, ifname) - sizeof (Ata)) / 512;
++	p->scnt = maxscnt = (getmtu(fd, ifname_n) - sizeof (Ata)) / 512;
+  	p->firmware = htons(FWV);
+  	p->vercmd = 0x10 | QCMD(p);	// aoe v.1
+  	return nconfig + sizeof *p - sizeof p->data;
+  }
+
+  void
+-doaoe(Aoehdr *p, int n)
++doaoe(Aoehdr *p, int n, int fd, uchar *mac_n, char *ifname_n)
+  {
+  	int len;
+  	enum {	// config query header size
+@@ -174,7 +176,7 @@ doaoe(Aoehdr *p, int n)
+  	case Config:
+  		if (n < CHDR_SIZ)
+  			return;
+-		len = confcmd((Conf *)p, n - CHDR_SIZ);
++		len = confcmd((Conf *)p, n - CHDR_SIZ, fd, mac_n, ifname_n);
+  		if (len == 0)
+  			return;
+  		break;
+@@ -184,11 +186,11 @@ doaoe(Aoehdr *p, int n)
+  		break;
+  	}
+  	memmove(p->dst, p->src, 6);
+-	memmove(p->src, mac, 6);
++	memmove(p->src, mac_n, 6);
+  	p->maj = htons(shelf);
+  	p->min = slot;
+  	p->flags |= Resp;
+-	if (putpkt(sfd, (uchar *) p, len) == -1) {
++	if (putpkt(fd, (uchar *) p, len) == -1) {
+  		perror("write to network");
+  		exit(1);
+  	}
+@@ -199,10 +201,14 @@ aoe(void)
+  {
+  	Aoehdr *p;
+  	uchar *buf;
+-	int n, sh;
++	int i, n, sh;
++	int ifname_c = ifname_count;
++	int ifname_good = ifname_count;
+  	long pagesz;
+  	enum { bufsz = 1<<16, };
+-
++	struct pollfd sfds[4];
++	
++	memset(&sfds, 0, sizeof(sfds));
+  	if ((pagesz = sysconf(_SC_PAGESIZE)) < 0) {
+  		perror("sysconf");
+  		exit(1);
+@@ -215,36 +221,67 @@ aoe(void)
+  	if (n & (pagesz - 1))
+  		buf += pagesz - (n & (pagesz - 1));
+
+-	aoead(sfd);
++	for(n = 0; n < ifname_c; n++) {
++		aoead(sfd[n], mac[n], ifname[n]);
++		sfds[n].fd = sfd[n];
++		sfds[n].events = POLLIN;
++	}
+
+  	for (;;) {
+-		n = getpkt(sfd, buf, bufsz);
+-		if (n < 0) {
+-			perror("read network");
+-			exit(1);
++		if(poll(sfds, ifname_c, -1) < 1) {
++			perror("poll");
++			return;
++		}
++		for(i = 0; i < ifname_c; i++) {
++			if(sfds[i].revents & POLLIN) {
++				n = getpkt(sfds[i].fd, buf, bufsz);
++				if (n < 0) {
++					perror("read network");
++					exit(1);
++				}
++				if (n < sizeof(Aoehdr))
++					continue;
++				p = (Aoehdr *) buf;
++				if (ntohs(p->type) != 0x88a2)
++					continue;
++				if (p->flags & Resp)
++					continue;
++				sh = ntohs(p->maj);
++				if (sh != shelf && sh != (ushort)~0)
++					continue;
++				if (p->min != slot && p->min != (uchar)~0)
++					continue;
++				if (nmasks && !maskok(p->src))
++					continue;
++				doaoe(p, n, sfds[i].fd, mac[i], ifname[i]);
++			
++			} else if (sfds[i].revents & POLLRDHUP || sfds[i].revents &  
+POLLERR || sfds[i].revents & POLLNVAL) {
++				
++				if(ifname_good-- < 1) {
++					fprintf(stderr, "exiting, no good interfaces left.\n");
++					fflush(stderr);
++					exit(1);
++				}
++				fprintf(stderr, "disabling interface %s because of poll() error.  
+%d good interfaces left.\n", ifname[i], ifname_good);
++				sfds[i].revents = 0;
++				sfds[i].events = 0;
++				close(sfds[i].fd);
++				sfds[i].fd = -1;
++				
++				/* seems like readvertising the blade works best */
++				/*for(n = 0; n < ifname_c; n++) {
++					if(i != n)
++						aoead(sfd[n], mac[n], ifname[n]);
++				}*/
++			}
+  		}
+-		if (n < sizeof(Aoehdr))
+-			continue;
+-		p = (Aoehdr *) buf;
+-		if (ntohs(p->type) != 0x88a2)
+-			continue;
+-		if (p->flags & Resp)
+-			continue;
+-		sh = ntohs(p->maj);
+-		if (sh != shelf && sh != (ushort)~0)
+-			continue;
+-		if (p->min != slot && p->min != (uchar)~0)
+-			continue;
+-		if (nmasks && !maskok(p->src))
+-			continue;
+-		doaoe(p, n);
+  	}
+  }
+
+  void
+  usage(void)
+  {
+-	fprintf(stderr, "usage: %s [-b bufcnt] [-d ] [-s] [-r] [ -m  
+mac[,mac...] ] shelf slot netif filename\n",
++	fprintf(stderr, "usage: %s [-b bufcnt] [-d ] [-s] [-r] [ -i iface]  
+[ -m mac[,mac...] ] shelf slot netif filename\n",
+  		progname);
+  	exit(1);
+  }
+@@ -305,12 +342,17 @@ int
+  main(int argc, char **argv)
+  {
+  	int ch, omode = 0, readonly = 0;
+-
++	int i = 0;
++	
+  	bufcnt = Bufcount;
+  	setbuf(stdin, NULL);
+  	atainit();
+  	progname = *argv;
+-	while ((ch = getopt(argc, argv, "b:dsrm:")) != -1) {
++	if((ifname = malloc(sizeof(*ifname)*1)) == NULL) {
++		perror("malloc");
++		exit(1);
++	}
++	while ((ch = getopt(argc, argv, "b:dsrm:i:")) != -1) {
+  		switch (ch) {
+  		case 'b':
+  			bufcnt = atoi(optarg);
+@@ -329,6 +371,14 @@ main(int argc, char **argv)
+  		case 'm':
+  			setmask(optarg);
+  			break;
++		case 'i':
++			ifname_count++;
++			if((ifname = realloc(ifname, sizeof(*ifname)*(ifname_count+1))) ==  
+NULL) {
++				perror("malloc");
++				exit(1);
++			}			
++			ifname[ifname_count-1] = optarg;
++			break;
+  		case '?':
+  		default:
+  			usage();
+@@ -348,9 +398,26 @@ main(int argc, char **argv)
+  	slot = atoi(argv[1]);
+  	size = getsize(bfd);
+  	size /= 512;
+-	ifname = argv[2];
+-	sfd = dial(ifname, bufcnt);
+-	getea(sfd, ifname, mac);
++	ifname_count++;
++	ifname[ifname_count-1] = argv[2];
++	if((sfd = malloc(sizeof(int *)*ifname_count)) == NULL) {
++		perror("malloc");
++		exit(1);
++	}
++	if((mac = malloc(sizeof(uchar *)*ifname_count)) == NULL) {
++		perror("malloc");
++		exit(1);
++	}
++
++	for(; i < ifname_count; i++) {
++		if((mac[i] = malloc(sizeof(uchar)*6)) == NULL) {
++			perror("malloc");
++			exit(1);
++		}
++
++		sfd[i] = dial(ifname[i], bufcnt);
++		getea(sfd[i], ifname[i], mac[i]);
++	}
+  	printf("pid %ld: e%d.%d, %lld sectors %s\n",
+  		(long) getpid(), shelf, slot, size,
+  		readonly ? "O_RDONLY" : "O_RDWR");
+diff -uprN vblade-19.orig/dat.h vblade-19/dat.h
+--- vblade-19.orig/dat.h	2008-10-08 21:07:40.000000000 +0000
++++ vblade-19/dat.h	2009-02-26 03:39:11.000000000 +0000
+@@ -115,8 +115,8 @@ enum {
+
+  int	shelf, slot;
+  ulong	aoetag;
+-uchar	mac[6];
++uchar	**mac;
+  int	bfd;		// block file descriptor
+-int	sfd;		// socket file descriptor
++int	*sfd;		// socket file descriptor
+  vlong	size;		// size of vblade
+  char	*progname;
+diff -uprN vblade-19.orig/fns.h vblade-19/fns.h
+--- vblade-19.orig/fns.h	2008-10-08 21:07:41.000000000 +0000
++++ vblade-19/fns.h	2009-02-26 03:38:32.000000000 +0000
+@@ -6,7 +6,7 @@ void	aoe(void);
+  void	aoeinit(void);
+  void	aoequery(void);
+  void	aoeconfig(void);
+-void	aoead(int);
++void	aoead(int fd, uchar *, char *);
+  void	aoeflush(int, int);
+  void	aoetick(void);
+  void	aoerequest(int, int, vlong, int, uchar *, int);
+diff -uprN vblade-19.orig/vblade.8 vblade-19/vblade.8
+--- vblade-19.orig/vblade.8	2008-10-08 21:07:41.000000000 +0000
++++ vblade-19/vblade.8	2009-02-26 04:23:48.000000000 +0000
+@@ -55,6 +55,11 @@ The -r flag restricts the export of the
+  The -m flag takes an argument, a comma separated list of MAC addresses
+  permitted access to the vblade.  A MAC address can be specified in  
+upper
+  or lower case, with or without colons.
++.TP
++\fB-i\fP
++The -i flag initializes and broadcasts on ethernet network interfaces
++to enable MPIO support and increase throughput.  You must still
++specify another interface without using the -i flag.
+  .SH EXAMPLE
+  In this example, the root user on a host named
+  .I nai
+
diff -uprN vblade-19/contrib/p2.diff vblade-19-mpio-1/contrib/p2.diff
--- vblade-19/contrib/p2.diff	1969-12-31 16:00:00.000000000 -0800
+++ vblade-19-mpio-1/contrib/p2.diff	2009-02-26 18:00:16.000000000 -0800
@@ -0,0 +1,315 @@
+contrib/p1.diff
+diff -uprN vblade-19.orig/aoe.c vblade-19/aoe.c
+--- vblade-19.orig/aoe.c	2008-10-08 21:07:40.000000000 +0000
++++ vblade-19/aoe.c	2009-02-26 04:39:02.000000000 +0000
+@@ -9,6 +9,7 @@
+ #include <sys/stat.h>
+ #include <fcntl.h>
+ #include <netinet/in.h>
++#include <poll.h>
+ #include "dat.h"
+ #include "fns.h"
+
+@@ -22,11 +23,12 @@ int nmasks;
+ char config[Nconfig];
+ int nconfig = 0;
+ int maxscnt = 2;
+-char *ifname;
++char **ifname;
++int ifname_count = 0;
+ int bufcnt = Bufcount;
+
+ void
+-aoead(int fd)	// advertise the virtual blade
++aoead(int fd, uchar *mac_n, char *ifname_n)	// advertise the virtual  
+blade
+ {
+ 	uchar buf[2000];
+ 	Conf *p;
+@@ -35,14 +37,14 @@ aoead(int fd)	// advertise the virtual b
+ 	p = (Conf *)buf;
+ 	memset(p, 0, sizeof *p);
+ 	memset(p->h.dst, 0xff, 6);
+-	memmove(p->h.src, mac, 6);
++	memmove(p->h.src, mac_n, 6);
+ 	p->h.type = htons(0x88a2);
+ 	p->h.flags = Resp;
+ 	p->h.maj = htons(shelf);
+ 	p->h.min = slot;
+ 	p->h.cmd = Config;
+ 	p->bufcnt = htons(bufcnt);
+-	p->scnt = maxscnt = (getmtu(sfd, ifname) - sizeof (Ata)) / 512;
++	p->scnt = maxscnt = (getmtu(fd, ifname_n) - sizeof (Ata)) / 512;
+ 	p->firmware = htons(FWV);
+ 	p->vercmd = 0x10 | Qread;
+ 	memcpy(p->data, config, nconfig);
+@@ -111,7 +113,7 @@ aoeata(Ata *p, int pktlen)	// do ATA req
+ // yes, this makes unnecessary copies.
+
+ int
+-confcmd(Conf *p, int payload)	// process conf request
++confcmd(Conf *p, int payload, int fd, uchar *mac_n, char  
+*ifname_n)	// process conf request
+ {
+ 	int len;
+
+@@ -151,14 +153,14 @@ confcmd(Conf *p, int payload)	// process
+ 	memmove(p->data, config, nconfig);
+ 	p->len = htons(nconfig);
+ 	p->bufcnt = htons(bufcnt);
+-	p->scnt = maxscnt = (getmtu(sfd, ifname) - sizeof (Ata)) / 512;
++	p->scnt = maxscnt = (getmtu(fd, ifname_n) - sizeof (Ata)) / 512;
+ 	p->firmware = htons(FWV);
+ 	p->vercmd = 0x10 | QCMD(p);	// aoe v.1
+ 	return nconfig + sizeof *p - sizeof p->data;
+ }
+
+ void
+-doaoe(Aoehdr *p, int n)
++doaoe(Aoehdr *p, int n, int fd, uchar *mac_n, char *ifname_n)
+ {
+ 	int len;
+ 	enum {	// config query header size
+@@ -174,7 +176,7 @@ doaoe(Aoehdr *p, int n)
+ 	case Config:
+ 		if (n < CHDR_SIZ)
+ 			return;
+-		len = confcmd((Conf *)p, n - CHDR_SIZ);
++		len = confcmd((Conf *)p, n - CHDR_SIZ, fd, mac_n, ifname_n);
+ 		if (len == 0)
+ 			return;
+ 		break;
+@@ -184,11 +186,11 @@ doaoe(Aoehdr *p, int n)
+ 		break;
+ 	}
+ 	memmove(p->dst, p->src, 6);
+-	memmove(p->src, mac, 6);
++	memmove(p->src, mac_n, 6);
+ 	p->maj = htons(shelf);
+ 	p->min = slot;
+ 	p->flags |= Resp;
+-	if (putpkt(sfd, (uchar *) p, len) == -1) {
++	if (putpkt(fd, (uchar *) p, len) == -1) {
+ 		perror("write to network");
+ 		exit(1);
+ 	}
+@@ -199,10 +201,14 @@ aoe(void)
+ {
+ 	Aoehdr *p;
+ 	uchar *buf;
+-	int n, sh;
++	int i, n, sh;
++	int ifname_c = ifname_count;
++	int ifname_good = ifname_count;
+ 	long pagesz;
+ 	enum { bufsz = 1<<16, };
+-
++	struct pollfd sfds[4];
++	
++	memset(&sfds, 0, sizeof(sfds));
+ 	if ((pagesz = sysconf(_SC_PAGESIZE)) < 0) {
+ 		perror("sysconf");
+ 		exit(1);
+@@ -215,36 +221,67 @@ aoe(void)
+ 	if (n & (pagesz - 1))
+ 		buf += pagesz - (n & (pagesz - 1));
+
+-	aoead(sfd);
++	for(n = 0; n < ifname_c; n++) {
++		aoead(sfd[n], mac[n], ifname[n]);
++		sfds[n].fd = sfd[n];
++		sfds[n].events = POLLIN;
++	}
+
+ 	for (;;) {
+-		n = getpkt(sfd, buf, bufsz);
+-		if (n < 0) {
+-			perror("read network");
+-			exit(1);
++		if(poll(sfds, ifname_c, -1) < 1) {
++			perror("poll");
++			return;
++		}
++		for(i = 0; i < ifname_c; i++) {
++			if(sfds[i].revents & POLLIN) {
++				n = getpkt(sfds[i].fd, buf, bufsz);
++				if (n < 0) {
++					perror("read network");
++					exit(1);
++				}
++				if (n < sizeof(Aoehdr))
++					continue;
++				p = (Aoehdr *) buf;
++				if (ntohs(p->type) != 0x88a2)
++					continue;
++				if (p->flags & Resp)
++					continue;
++				sh = ntohs(p->maj);
++				if (sh != shelf && sh != (ushort)~0)
++					continue;
++				if (p->min != slot && p->min != (uchar)~0)
++					continue;
++				if (nmasks && !maskok(p->src))
++					continue;
++				doaoe(p, n, sfds[i].fd, mac[i], ifname[i]);
++			
++			} else if (sfds[i].revents & POLLRDHUP || sfds[i].revents &  
+POLLERR || sfds[i].revents & POLLNVAL) {
++				
++				if(ifname_good-- < 1) {
++					fprintf(stderr, "exiting, no good interfaces left.\n");
++					fflush(stderr);
++					exit(1);
++				}
++				fprintf(stderr, "disabling interface %s because of poll() error.  
+%d good interfaces left.\n", ifname[i], ifname_good);
++				sfds[i].revents = 0;
++				sfds[i].events = 0;
++				close(sfds[i].fd);
++				sfds[i].fd = -1;
++				
++				/* seems like readvertising the blade works best */
++				/*for(n = 0; n < ifname_c; n++) {
++					if(i != n)
++						aoead(sfd[n], mac[n], ifname[n]);
++				}*/
++			}
+ 		}
+-		if (n < sizeof(Aoehdr))
+-			continue;
+-		p = (Aoehdr *) buf;
+-		if (ntohs(p->type) != 0x88a2)
+-			continue;
+-		if (p->flags & Resp)
+-			continue;
+-		sh = ntohs(p->maj);
+-		if (sh != shelf && sh != (ushort)~0)
+-			continue;
+-		if (p->min != slot && p->min != (uchar)~0)
+-			continue;
+-		if (nmasks && !maskok(p->src))
+-			continue;
+-		doaoe(p, n);
+ 	}
+ }
+
+ void
+ usage(void)
+ {
+-	fprintf(stderr, "usage: %s [-b bufcnt] [-d ] [-s] [-r] [ -m  
+mac[,mac...] ] shelf slot netif filename\n",
++	fprintf(stderr, "usage: %s [-b bufcnt] [-d ] [-s] [-r] [ -i iface]  
+[ -m mac[,mac...] ] shelf slot netif filename\n",
+ 		progname);
+ 	exit(1);
+ }
+@@ -305,12 +342,17 @@ int
+ main(int argc, char **argv)
+ {
+ 	int ch, omode = 0, readonly = 0;
+-
++	int i = 0;
++	
+ 	bufcnt = Bufcount;
+ 	setbuf(stdin, NULL);
+ 	atainit();
+ 	progname = *argv;
+-	while ((ch = getopt(argc, argv, "b:dsrm:")) != -1) {
++	if((ifname = malloc(sizeof(*ifname)*1)) == NULL) {
++		perror("malloc");
++		exit(1);
++	}
++	while ((ch = getopt(argc, argv, "b:dsrm:i:")) != -1) {
+ 		switch (ch) {
+ 		case 'b':
+ 			bufcnt = atoi(optarg);
+@@ -329,6 +371,14 @@ main(int argc, char **argv)
+ 		case 'm':
+ 			setmask(optarg);
+ 			break;
++		case 'i':
++			ifname_count++;
++			if((ifname = realloc(ifname, sizeof(*ifname)*(ifname_count+1))) ==  
+NULL) {
++				perror("malloc");
++				exit(1);
++			}			
++			ifname[ifname_count-1] = optarg;
++			break;
+ 		case '?':
+ 		default:
+ 			usage();
+@@ -348,9 +398,26 @@ main(int argc, char **argv)
+ 	slot = atoi(argv[1]);
+ 	size = getsize(bfd);
+ 	size /= 512;
+-	ifname = argv[2];
+-	sfd = dial(ifname, bufcnt);
+-	getea(sfd, ifname, mac);
++	ifname_count++;
++	ifname[ifname_count-1] = argv[2];
++	if((sfd = malloc(sizeof(int *)*ifname_count)) == NULL) {
++		perror("malloc");
++		exit(1);
++	}
++	if((mac = malloc(sizeof(uchar *)*ifname_count)) == NULL) {
++		perror("malloc");
++		exit(1);
++	}
++
++	for(; i < ifname_count; i++) {
++		if((mac[i] = malloc(sizeof(uchar)*6)) == NULL) {
++			perror("malloc");
++			exit(1);
++		}
++
++		sfd[i] = dial(ifname[i], bufcnt);
++		getea(sfd[i], ifname[i], mac[i]);
++	}
+ 	printf("pid %ld: e%d.%d, %lld sectors %s\n",
+ 		(long) getpid(), shelf, slot, size,
+ 		readonly ? "O_RDONLY" : "O_RDWR");
+diff -uprN vblade-19.orig/dat.h vblade-19/dat.h
+--- vblade-19.orig/dat.h	2008-10-08 21:07:40.000000000 +0000
++++ vblade-19/dat.h	2009-02-26 03:39:11.000000000 +0000
+@@ -115,8 +115,8 @@ enum {
+
+ int	shelf, slot;
+ ulong	aoetag;
+-uchar	mac[6];
++uchar	**mac;
+ int	bfd;		// block file descriptor
+-int	sfd;		// socket file descriptor
++int	*sfd;		// socket file descriptor
+ vlong	size;		// size of vblade
+ char	*progname;
+diff -uprN vblade-19.orig/fns.h vblade-19/fns.h
+--- vblade-19.orig/fns.h	2008-10-08 21:07:41.000000000 +0000
++++ vblade-19/fns.h	2009-02-26 03:38:32.000000000 +0000
+@@ -6,7 +6,7 @@ void	aoe(void);
+ void	aoeinit(void);
+ void	aoequery(void);
+ void	aoeconfig(void);
+-void	aoead(int);
++void	aoead(int fd, uchar *, char *);
+ void	aoeflush(int, int);
+ void	aoetick(void);
+ void	aoerequest(int, int, vlong, int, uchar *, int);
+diff -uprN vblade-19.orig/vblade.8 vblade-19/vblade.8
+--- vblade-19.orig/vblade.8	2008-10-08 21:07:41.000000000 +0000
++++ vblade-19/vblade.8	2009-02-26 04:23:48.000000000 +0000
+@@ -55,6 +55,11 @@ The -r flag restricts the export of the
+ The -m flag takes an argument, a comma separated list of MAC addresses
+ permitted access to the vblade.  A MAC address can be specified in  
+upper
+ or lower case, with or without colons.
++.TP
++\fB-i\fP
++The -i flag initializes and broadcasts on ethernet network interfaces
++to enable MPIO support and increase throughput.  You must still
++specify another interface without using the -i flag.
+ .SH EXAMPLE
+ In this example, the root user on a host named
+ .I nai
+
+
diff -uprN vblade-19/contrib/vblade-mpio-1-19.diff vblade-19-mpio-1/contrib/vblade-mpio-1-19.diff
--- vblade-19/contrib/vblade-mpio-1-19.diff	1969-12-31 16:00:00.000000000 -0800
+++ vblade-19-mpio-1/contrib/vblade-mpio-1-19.diff	2009-02-27 16:47:33.000000000 -0800
@@ -0,0 +1,311 @@
+diff -uprN vblade-19/aoe.c vblade-mpio-1-19/aoe.c
+--- vblade-19/aoe.c	2008-10-08 14:07:40.000000000 -0700
++++ vblade-mpio-1-19/aoe.c	2009-02-27 13:05:09.000000000 -0800
+@@ -9,6 +9,7 @@
+ #include <sys/stat.h>
+ #include <fcntl.h>
+ #include <netinet/in.h>
++#include <poll.h>
+ #include "dat.h"
+ #include "fns.h"
+ 
+@@ -22,11 +23,12 @@ int nmasks;
+ char config[Nconfig];
+ int nconfig = 0;
+ int maxscnt = 2;
+-char *ifname;
++char **ifname;
++int ifname_count = 0;
+ int bufcnt = Bufcount;
+ 
+ void
+-aoead(int fd)	// advertise the virtual blade
++aoead(int fd, uchar *mac_n, char *ifname_n)	// advertise the virtual blade
+ {
+ 	uchar buf[2000];
+ 	Conf *p;
+@@ -35,14 +37,14 @@ aoead(int fd)	// advertise the virtual b
+ 	p = (Conf *)buf;
+ 	memset(p, 0, sizeof *p);
+ 	memset(p->h.dst, 0xff, 6);
+-	memmove(p->h.src, mac, 6);
++	memmove(p->h.src, mac_n, 6);
+ 	p->h.type = htons(0x88a2);
+ 	p->h.flags = Resp;
+ 	p->h.maj = htons(shelf);
+ 	p->h.min = slot;
+ 	p->h.cmd = Config;
+ 	p->bufcnt = htons(bufcnt);
+-	p->scnt = maxscnt = (getmtu(sfd, ifname) - sizeof (Ata)) / 512;
++	p->scnt = maxscnt = (getmtu(fd, ifname_n) - sizeof (Ata)) / 512;
+ 	p->firmware = htons(FWV);
+ 	p->vercmd = 0x10 | Qread;
+ 	memcpy(p->data, config, nconfig);
+@@ -111,7 +113,7 @@ aoeata(Ata *p, int pktlen)	// do ATA req
+ // yes, this makes unnecessary copies.
+ 
+ int
+-confcmd(Conf *p, int payload)	// process conf request
++confcmd(Conf *p, int payload, int fd, uchar *mac_n, char *ifname_n)	// process conf request
+ {
+ 	int len;
+ 
+@@ -151,14 +153,14 @@ confcmd(Conf *p, int payload)	// process
+ 	memmove(p->data, config, nconfig);
+ 	p->len = htons(nconfig);
+ 	p->bufcnt = htons(bufcnt);
+-	p->scnt = maxscnt = (getmtu(sfd, ifname) - sizeof (Ata)) / 512;
++	p->scnt = maxscnt = (getmtu(fd, ifname_n) - sizeof (Ata)) / 512;
+ 	p->firmware = htons(FWV);
+ 	p->vercmd = 0x10 | QCMD(p);	// aoe v.1
+ 	return nconfig + sizeof *p - sizeof p->data;
+ }
+ 
+ void
+-doaoe(Aoehdr *p, int n)
++doaoe(Aoehdr *p, int n, int fd, uchar *mac_n, char *ifname_n)
+ {
+ 	int len;
+ 	enum {	// config query header size
+@@ -174,7 +176,7 @@ doaoe(Aoehdr *p, int n)
+ 	case Config:
+ 		if (n < CHDR_SIZ)
+ 			return;
+-		len = confcmd((Conf *)p, n - CHDR_SIZ);
++		len = confcmd((Conf *)p, n - CHDR_SIZ, fd, mac_n, ifname_n);
+ 		if (len == 0)
+ 			return;
+ 		break;
+@@ -184,11 +186,11 @@ doaoe(Aoehdr *p, int n)
+ 		break;
+ 	}
+ 	memmove(p->dst, p->src, 6);
+-	memmove(p->src, mac, 6);
++	memmove(p->src, mac_n, 6);
+ 	p->maj = htons(shelf);
+ 	p->min = slot;
+ 	p->flags |= Resp;
+-	if (putpkt(sfd, (uchar *) p, len) == -1) {
++	if (putpkt(fd, (uchar *) p, len) == -1) {
+ 		perror("write to network");
+ 		exit(1);
+ 	}
+@@ -199,10 +201,20 @@ aoe(void)
+ {
+ 	Aoehdr *p;
+ 	uchar *buf;
+-	int n, sh;
++	int i, n, sh;
++	int ifname_c = ifname_count;
++	int ifname_ok = ifname_count;
+ 	long pagesz;
+ 	enum { bufsz = 1<<16, };
+-
++	struct pollfd *sfds = malloc(sizeof(struct pollfd)*ifname_count);
++	
++	if(!sfds) {
++		perror("malloc");
++		exit(1);
++	}
++	/* bug ? */
++	memset(&sfds, 0, sizeof(*sfds)*ifname_count);
++	
+ 	if ((pagesz = sysconf(_SC_PAGESIZE)) < 0) {
+ 		perror("sysconf");
+ 		exit(1);
+@@ -215,36 +227,67 @@ aoe(void)
+ 	if (n & (pagesz - 1))
+ 		buf += pagesz - (n & (pagesz - 1));
+ 
+-	aoead(sfd);
++	for(n = 0; n < ifname_c; n++) {
++		aoead(sfd[n], mac[n], ifname[n]);
++		sfds[n].fd = sfd[n];
++		sfds[n].events = POLLIN;
++	}
+ 
+ 	for (;;) {
+-		n = getpkt(sfd, buf, bufsz);
+-		if (n < 0) {
+-			perror("read network");
+-			exit(1);
++		if(poll(sfds, ifname_c, -1) < 1) {
++			perror("poll");
++			return;
++		}
++		for(i = 0; i < ifname_c; i++) {
++			if(sfds[i].revents & POLLIN) {
++				n = getpkt(sfds[i].fd, buf, bufsz);
++				if (n < 0) {
++					perror("read network");
++					exit(1);
++				}
++				if (n < sizeof(Aoehdr))
++					continue;
++				p = (Aoehdr *) buf;
++				if (ntohs(p->type) != 0x88a2)
++					continue;
++				if (p->flags & Resp)
++					continue;
++				sh = ntohs(p->maj);
++				if (sh != shelf && sh != (ushort)~0)
++					continue;
++				if (p->min != slot && p->min != (uchar)~0)
++					continue;
++				if (nmasks && !maskok(p->src))
++					continue;
++				doaoe(p, n, sfds[i].fd, mac[i], ifname[i]);
++			
++			} else if (sfds[i].revents & POLLRDHUP || sfds[i].revents & POLLERR || sfds[i].revents & POLLNVAL) {
++				
++				if(ifname_good-- < 1) {
++					fprintf(stderr, "exiting, no good interfaces left.\n");
++					fflush(stderr);
++					exit(1);
++				}
++				fprintf(stderr, "disabling interface %s because of poll() error. %d good interfaces left.\n", ifname[i], ifname_good);
++				sfds[i].revents = 0;
++				sfds[i].events = 0;
++				close(sfds[i].fd);
++				sfds[i].fd = -1;
++				
++				/* seems like readvertising the blade works best */
++				/*for(n = 0; n < ifname_c; n++) {
++					if(i != n)
++						aoead(sfd[n], mac[n], ifname[n]);
++				}*/
++			}
+ 		}
+-		if (n < sizeof(Aoehdr))
+-			continue;
+-		p = (Aoehdr *) buf;
+-		if (ntohs(p->type) != 0x88a2)
+-			continue;
+-		if (p->flags & Resp)
+-			continue;
+-		sh = ntohs(p->maj);
+-		if (sh != shelf && sh != (ushort)~0)
+-			continue;
+-		if (p->min != slot && p->min != (uchar)~0)
+-			continue;
+-		if (nmasks && !maskok(p->src))
+-			continue;
+-		doaoe(p, n);
+ 	}
+ }
+ 
+ void
+ usage(void)
+ {
+-	fprintf(stderr, "usage: %s [-b bufcnt] [-d ] [-s] [-r] [ -m mac[,mac...] ] shelf slot netif filename\n", 
++	fprintf(stderr, "usage: %s [-b bufcnt] [-d ] [-s] [-r] [ -i iface] [ -m mac[,mac...] ] shelf slot netif filename\n",
+ 		progname);
+ 	exit(1);
+ }
+@@ -304,13 +347,18 @@ maskok(uchar *ea)
+ int
+ main(int argc, char **argv)
+ {
+-	int ch, omode = 0, readonly = 0;
++	int ch, omode = 0, readonly = 0, i = 0;
+ 
+ 	bufcnt = Bufcount;
+ 	setbuf(stdin, NULL);
+ 	atainit();
+ 	progname = *argv;
+-	while ((ch = getopt(argc, argv, "b:dsrm:")) != -1) {
++
++	if((ifname = malloc(sizeof(*ifname))) == NULL) {
++		perror("malloc");
++		exit(1);
++	}
++	while ((ch = getopt(argc, argv, "b:dsrm:i:")) != -1) {
+ 		switch (ch) {
+ 		case 'b':
+ 			bufcnt = atoi(optarg);
+@@ -329,6 +377,14 @@ main(int argc, char **argv)
+ 		case 'm':
+ 			setmask(optarg);
+ 			break;
++		case 'i':
++			ifname_count++;
++			if((ifname = realloc(ifname, sizeof(*ifname)*(ifname_count+1))) == NULL) {
++				perror("malloc");
++				exit(1);
++			}			
++			ifname[ifname_count-1] = optarg;
++			break;
+ 		case '?':
+ 		default:
+ 			usage();
+@@ -348,9 +404,26 @@ main(int argc, char **argv)
+ 	slot = atoi(argv[1]);
+ 	size = getsize(bfd);
+ 	size /= 512;
+-	ifname = argv[2];
+-	sfd = dial(ifname, bufcnt);
+-	getea(sfd, ifname, mac);
++	ifname_count++;
++	ifname[ifname_count-1] = argv[2];
++	if((sfd = malloc(sizeof(*sfd)*ifname_count)) == NULL) {
++		perror("malloc");
++		exit(1);
++	}
++	if((mac = malloc(sizeof(*mac)*ifname_count)) == NULL) {
++		perror("malloc");
++		exit(1);
++	}
++
++	for(; i < ifname_count; i++) {
++		if((mac[i] = malloc(sizeof(uchar)*6)) == NULL) {
++			perror("malloc");
++			exit(1);
++		}
++
++		sfd[i] = dial(ifname[i], bufcnt);
++		getea(sfd[i], ifname[i], mac[i]);
++	}
+ 	printf("pid %ld: e%d.%d, %lld sectors %s\n",
+ 		(long) getpid(), shelf, slot, size,
+ 		readonly ? "O_RDONLY" : "O_RDWR");
+diff -uprN vblade-19/dat.h vblade-mpio-1-19/dat.h
+--- vblade-19/dat.h	2008-10-08 14:07:40.000000000 -0700
++++ vblade-mpio-1-19/dat.h	2009-02-27 13:00:16.000000000 -0800
+@@ -115,8 +115,8 @@ enum {
+ 
+ int	shelf, slot;
+ ulong	aoetag;
+-uchar	mac[6];
++uchar	**mac;
+ int	bfd;		// block file descriptor
+-int	sfd;		// socket file descriptor
++int	*sfd;		// socket file descriptor
+ vlong	size;		// size of vblade
+ char	*progname;
+diff -uprN vblade-19/fns.h vblade-mpio-1-19/fns.h
+--- vblade-19/fns.h	2008-10-08 14:07:41.000000000 -0700
++++ vblade-mpio-1-19/fns.h	2009-02-27 13:00:34.000000000 -0800
+@@ -6,7 +6,7 @@ void	aoe(void);
+ void	aoeinit(void);
+ void	aoequery(void);
+ void	aoeconfig(void);
+-void	aoead(int);
++void	aoead(int, uchar *, char *);
+ void	aoeflush(int, int);
+ void	aoetick(void);
+ void	aoerequest(int, int, vlong, int, uchar *, int);
+diff -uprN vblade-19/vblade.8 vblade-mpio-1-19/vblade.8
+--- vblade-19/vblade.8	2008-10-08 14:07:41.000000000 -0700
++++ vblade-mpio-1-19/vblade.8	2009-02-27 13:01:28.000000000 -0800
+@@ -55,6 +55,11 @@ The -r flag restricts the export of the 
+ The -m flag takes an argument, a comma separated list of MAC addresses
+ permitted access to the vblade.  A MAC address can be specified in upper
+ or lower case, with or without colons.
++.TP
++\fB-i\fP
++The -i flag initializes and broadcasts on ethernet network interfaces
++to enable MPIO support and increase throughput.  You must still
++specify another interface without using the -i flag.
+ .SH EXAMPLE
+ In this example, the root user on a host named
+ .I nai
diff -uprN vblade-19/dat.h vblade-19-mpio-1/dat.h
--- vblade-19/dat.h	2008-10-08 14:07:40.000000000 -0700
+++ vblade-19-mpio-1/dat.h	2009-02-27 16:47:55.000000000 -0800
@@ -115,8 +115,8 @@ enum {
 
 int	shelf, slot;
 ulong	aoetag;
-uchar	mac[6];
+uchar	**mac;
 int	bfd;		// block file descriptor
-int	sfd;		// socket file descriptor
+int	*sfd;		// socket file descriptor
 vlong	size;		// size of vblade
 char	*progname;
diff -uprN vblade-19/fns.h vblade-19-mpio-1/fns.h
--- vblade-19/fns.h	2008-10-08 14:07:41.000000000 -0700
+++ vblade-19-mpio-1/fns.h	2009-02-27 16:47:55.000000000 -0800
@@ -6,7 +6,7 @@ void	aoe(void);
 void	aoeinit(void);
 void	aoequery(void);
 void	aoeconfig(void);
-void	aoead(int);
+void	aoead(int, uchar *, char *);
 void	aoeflush(int, int);
 void	aoetick(void);
 void	aoerequest(int, int, vlong, int, uchar *, int);
Binary files vblade-19/linux.o and vblade-19-mpio-1/linux.o differ
diff -uprN vblade-19/pclean.php vblade-19-mpio-1/pclean.php
--- vblade-19/pclean.php	1969-12-31 16:00:00.000000000 -0800
+++ vblade-19-mpio-1/pclean.php	2009-02-26 18:00:03.000000000 -0800
@@ -0,0 +1,13 @@
+<?php
+
+echo $argv[1];
+echo "\n";
+$f = explode("\n", file_get_contents($argv[1]));
+if(!$f)
+	die("no open\n");
+foreach($f as $ff)
+{
+	$ff = preg_replace("/^  /", ' ', $ff);
+	echo $ff."\n";
+}
+?>
Binary files vblade-19/vblade and vblade-19-mpio-1/vblade differ
diff -uprN vblade-19/vblade.8 vblade-19-mpio-1/vblade.8
--- vblade-19/vblade.8	2008-10-08 14:07:41.000000000 -0700
+++ vblade-19-mpio-1/vblade.8	2009-02-27 16:47:55.000000000 -0800
@@ -55,6 +55,11 @@ The -r flag restricts the export of the 
 The -m flag takes an argument, a comma separated list of MAC addresses
 permitted access to the vblade.  A MAC address can be specified in upper
 or lower case, with or without colons.
+.TP
+\fB-i\fP
+The -i flag initializes and broadcasts on ethernet network interfaces
+to enable MPIO support and increase throughput.  You must still
+specify another interface without using the -i flag.
 .SH EXAMPLE
 In this example, the root user on a host named
 .I nai