diff -u libpcap-1.1.1/gencode.c libpcap-1.1.1.new/gencode.c
--- libpcap-1.1.1/gencode.c	Thu Mar 11 17:56:54 2010
+++ libpcap-1.1.1.new/gencode.c	Thu Jul 14 08:29:39 2011
@@ -1588,6 +1588,13 @@
 		off_nl = 0;
 		off_nl_nosnap = -1;
 		return;
+
+	case DLT_IPOIB:
+		off_linktype = 40;
+		off_macpl = 44;		/* IPoIB mac_ib prefix length */
+		off_nl = 0;
+		off_nl_nosnap = -1;
+		return;
 	}
 	bpf_error("unknown data link type %d", linktype);
 	/* NOTREACHED */
@@ -2048,6 +2055,16 @@
 	return gen_false();
 }
 
+static struct block *
+gen_ipoib_linktype(proto)
+	register int proto;
+{
+	/*
+	 * This is an Ethernet type, so compare the length field with it.
+	 */
+	return gen_cmp(OR_LINK, off_linktype, BPF_H, (bpf_int32)proto);
+}
+
 /*
  * Generate code to match a particular packet type.
  *
@@ -3474,6 +3491,9 @@
 	case DLT_IPNET:
 		return gen_ipnet_linktype(proto);
 
+	case DLT_IPOIB:
+		return gen_ipoib_linktype(proto);
+
 	case DLT_LINUX_IRDA:
 		bpf_error("IrDA link-layer type filtering not implemented");
 
diff -u libpcap-1.1.1/pcap-common.c libpcap-1.1.1.new/pcap-common.c
--- libpcap-1.1.1/pcap-common.c	Thu Mar 11 17:56:54 2010
+++ libpcap-1.1.1.new/pcap-common.c	Thu Jul 14 08:25:56 2011
@@ -278,6 +278,11 @@
 #define LINKTYPE_USER15		162
 
 /*
+ * IPoIB for Solaris.
+ */
+#define	LINKTYPE_IPOIB		DLT_IPOIB
+
+/*
  * For future use with 802.11 captures - defined by AbsoluteValue
  * Systems to store a number of bits of link-layer information
  * including radio information:
@@ -1067,6 +1072,9 @@
 	/* Solaris IPNET */
 	{ DLT_IPNET,		LINKTYPE_IPNET },
 
+	/* Solaris IPoIB */
+	{ DLT_IPOIB,		LINKTYPE_IPOIB },
+
 	/* CAN frames with SocketCAN headers */
 	{ DLT_CAN_SOCKETCAN,	LINKTYPE_CAN_SOCKETCAN },
 
diff -u libpcap-1.1.1/pcap.c libpcap-1.1.1.new/pcap.c
--- libpcap-1.1.1/pcap.c	Thu Mar 11 17:56:54 2010
+++ libpcap-1.1.1.new/pcap.c	Thu Jul 14 08:29:55 2011
@@ -670,6 +670,7 @@
 	DLT_CHOICE(DLT_FC_2, "Fibre Channel FC-2"),
 	DLT_CHOICE(DLT_FC_2_WITH_FRAME_DELIMS, "Fibre Channel FC-2 with frame delimiters"),
 	DLT_CHOICE(DLT_IPNET, "Solaris ipnet"),
+	DLT_CHOICE(DLT_IPOIB, "Solaris IPoIB"),
 	DLT_CHOICE(DLT_CAN_SOCKETCAN, "CAN-bus with SocketCAN headers"),
 	DLT_CHOICE(DLT_IPV4, "Raw IPv4"),
 	DLT_CHOICE(DLT_IPV6, "Raw IPv6"),
--- libpcap-1.1.1/pcap/bpf.h.dist	2010-03-11 17:56:54.000000000 -0800
+++ libpcap-1.1.1/pcap/bpf.h	2011-07-27 03:06:09.410830949 -0700
@@ -502,6 +502,8 @@
 #define DLT_USER14		161
 #define DLT_USER15		162
 
+#define	DLT_IPOIB		DLT_USER15
+
 /*
  * For future use with 802.11 captures - defined by AbsoluteValue
  * Systems to store a number of bits of link-layer information