[OpenSPARC-T2-DV] / verif / env / common / vera / niu_ippktgen / C / libnet / src / libnet_internal.c

/*
 *  $Id: libnet_internal.c,v 1.19 2005/11/29 22:49:19 carlosc Exp $
 *
 *  libnet
 *  libnet_internal.c - secret routines!
 *
 *  Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
 *  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */

#if (HAVE_CONFIG_H)
#include "../include/config.h"
#endif
#if (!(_WIN32) || (__CYGWIN__)) 
#include "../include/libnet.h"
#else
#include "../include/win32/libnet.h"
#endif

void
libnet_diag_dump_hex(u_int8_t *packet, u_int32_t len, int swap, FILE *stream)
{
    int i, s_cnt;
    u_int16_t *p;

    p     = (u_int16_t *)packet;
    s_cnt = len / sizeof(u_int16_t);

    fprintf(stream, "\t");
    for (i = 0; --s_cnt >= 0; i++)
    {
        if ((!(i % 8)))
        {
            fprintf(stream, "\n%02x\t", (i * 2));
        }
        fprintf(stream, "%04x ", swap ? ntohs(*(p++)) : *(p++));
    }

    /*
     *  Mop up an odd byte.
     */
    if (len & 1)
    {
        if ((!(i % 8)))
        {
            fprintf(stream, "\n%02x\t", (i * 2));
        }
        fprintf(stream, "%02x ", *(u_int8_t *)p);
    }
    fprintf(stream, "\n");
}


void
libnet_diag_dump_context(libnet_t *l)
{
    if (l == NULL)
    { 
        return;
    } 

    fprintf(stderr, "fd:\t\t%d\n", l->fd);
 
    switch (l->injection_type)
    {
        case LIBNET_LINK:
            fprintf(stderr, "injection type:\tLIBNET_LINK\n");
            break;
        case LIBNET_RAW4:
            fprintf(stderr, "injection type:\tLIBNET_RAW4\n");
            break;
        case LIBNET_RAW6:
            fprintf(stderr, "injection type:\tLIBNET_RAW6\n");
            break;
        case LIBNET_LINK_ADV:
            fprintf(stderr, "injection type:\tLIBNET_LINK_ADV\n");
            break;
        case LIBNET_RAW4_ADV:
            fprintf(stderr, "injection type:\tLIBNET_RAW4_ADV\n");
            break;
        case LIBNET_RAW6_ADV:
            fprintf(stderr, "injection type:\tLIBNET_RAW6_ADV\n");
            break;
        default:
            fprintf(stderr, "injection type:\tinvalid injection type %d\n", 
                    l->injection_type);
            break;
    }
    
    fprintf(stderr, "pblock start:\t%p\n", l->protocol_blocks);
    fprintf(stderr, "pblock end:\t%p\n", l->pblock_end);
    fprintf(stderr, "link type:\t%d\n", l->link_type);
    fprintf(stderr, "link offset:\t%d\n", l->link_offset);
    fprintf(stderr, "aligner:\t%d\n", l->aligner);
    fprintf(stderr, "device:\t\t%s\n", l->device);
    fprintf(stderr, "packets sent:\t%lld\n", l->stats.packets_sent);
    fprintf(stderr, "packet errors:\t%lld\n", l->stats.packet_errors);
    fprintf(stderr, "bytes written:\t%lld\n", l->stats.bytes_written);
    fprintf(stderr, "ptag state:\t%d\n", l->ptag_state);
    fprintf(stderr, "context label:\t%s\n", l->label);
    fprintf(stderr, "last errbuf:\t%s\n", l->err_buf);
    fprintf(stderr, "total size:\t%d\n", l->total_size);
}

void
libnet_diag_dump_pblock(libnet_t *l)
{
    u_int32_t n;
    libnet_pblock_t *p;

    for (p = l->protocol_blocks; p; p = p->next)
    {
        fprintf(stderr, "pblock type:\t%s\n", 
                libnet_diag_dump_pblock_type(p->type));
        fprintf(stderr, "ptag number:\t%d\n", p->ptag);
        fprintf(stderr, "IP offset:\t%d\n", p->ip_offset);
        fprintf(stderr, "pblock address:\t%p\n", p);
        fprintf(stderr, "next pblock\t%p ", p->next);
        if (p->next)
        {
            fprintf(stderr, "(%s)",
                    libnet_diag_dump_pblock_type(p->next->type));
        }
        fprintf(stderr, "\n");
        fprintf(stderr, "prev pblock\t%p ", p->prev);
        if (p->prev)
        {
            fprintf(stderr, "(%s)",
                    libnet_diag_dump_pblock_type(p->prev->type));
        }
        fprintf(stderr, "\n");
        fprintf(stderr, "buf:\t\t");
        for (n = 0; n < p->b_len; n++)
        {
            fprintf(stderr, "%02x", p->buf[n]);
        }
        fprintf(stderr, "\nbuffer length:\t%d\n", p->b_len);
        if ((p->flags) & LIBNET_PBLOCK_DO_CHECKSUM)
        {
            fprintf(stderr, "checksum flag:\tYes\n");
            fprintf(stderr, "chksum length:\t%d\n", p->h_len);
        }
        else
        {
            fprintf(stderr, "checksum flag:\tNo\n");
        }
        fprintf(stderr, "bytes copied:\t%d\n\n", p->copied);
    }
}

char *
libnet_diag_dump_pblock_type(u_int8_t type)
{
    static int8_t buf[50];
    switch (type)
    {
        case LIBNET_PBLOCK_ARP_H:
            return ("arp header");
        case LIBNET_PBLOCK_DHCPV4_H:
            return ("dhcpv4 header");
        case LIBNET_PBLOCK_DNSV4_H:
            return ("dnsv4 header");
        case LIBNET_PBLOCK_ETH_H:
            return ("ethernet header");
        case LIBNET_PBLOCK_ICMPV4_H:
            return ("icmpv4 header");
        case LIBNET_PBLOCK_ICMPV4_ECHO_H:
            return ("icmpv4 echo header");
        case LIBNET_PBLOCK_ICMPV4_MASK_H:
            return ("icmpv4 mask header");
        case LIBNET_PBLOCK_ICMPV4_UNREACH_H:
            return ("icmpv4 unreachable header");
        case LIBNET_PBLOCK_ICMPV4_TIMXCEED_H:
            return ("icmpv4 time exceeded header");
        case LIBNET_PBLOCK_ICMPV4_REDIRECT_H:
            return ("icmpv4 redirect header");
        case LIBNET_PBLOCK_ICMPV4_TS_H:
            return ("icmpv4 timestamp header");
        case LIBNET_PBLOCK_IGMP_H:
            return ("igmp header");
        case LIBNET_PBLOCK_IPV4_H:
            return ("ipv4 header");
        case LIBNET_PBLOCK_IPO_H:
            return ("ip options header");
        case LIBNET_PBLOCK_IPDATA:
            return ("ip data");
        case LIBNET_PBLOCK_OSPF_H:
            return ("ospf header");
        case LIBNET_PBLOCK_OSPF_HELLO_H:
            return ("ospf hello header");
        case LIBNET_PBLOCK_OSPF_DBD_H:
            return ("ospf dbd header");
        case LIBNET_PBLOCK_OSPF_LSR_H:
            return ("ospf lsr header");
        case LIBNET_PBLOCK_OSPF_LSU_H:
            return ("ospf lsu header");
        case LIBNET_PBLOCK_OSPF_LSA_H:
            return ("ospf lsa header");
        case LIBNET_PBLOCK_OSPF_AUTH_H:
            return ("ospf authentication header");
        case LIBNET_PBLOCK_OSPF_CKSUM:
            return ("ospf checksum");
        case LIBNET_PBLOCK_LS_RTR_H:
            return ("ospf ls rtr header");
        case LIBNET_PBLOCK_LS_NET_H:
            return ("ospf ls net header");
        case LIBNET_PBLOCK_LS_SUM_H:
            return ("ospf ls sum header");
        case LIBNET_PBLOCK_LS_AS_EXT_H:
            return ("ospf ls as extension header");
        case LIBNET_PBLOCK_NTP_H:
            return ("ntp header");
        case LIBNET_PBLOCK_RIP_H:
            return ("rip header");
        case LIBNET_PBLOCK_TCP_H:
            return ("tcp header");
        case LIBNET_PBLOCK_TCPO_H:
            return ("tcp options header");
        case LIBNET_PBLOCK_TCPDATA:
            return ("tcp data");
        case LIBNET_PBLOCK_UDP_H:
            return ("udp header");
        case LIBNET_PBLOCK_VRRP_H:
            return ("vrrp header");
        case LIBNET_PBLOCK_DATA_H:
            return ("data");
        case LIBNET_PBLOCK_CDP_H:
            return ("cdp header");
        case LIBNET_PBLOCK_IPSEC_ESP_HDR_H:
            return ("ipsec esp header");
        case LIBNET_PBLOCK_IPSEC_ESP_FTR_H:
            return ("ipsec esp footer");
        case LIBNET_PBLOCK_IPSEC_AH_H:
            return ("ipsec authentication header");
        case LIBNET_PBLOCK_802_1Q_H:
            return ("802.1q header");
        case LIBNET_PBLOCK_802_2_H:
            return ("802.2 header");
        case LIBNET_PBLOCK_802_2SNAP_H:
            return ("802.2SNAP header");
        case LIBNET_PBLOCK_802_3_H:
            return ("802.3 header");
        case LIBNET_PBLOCK_STP_CONF_H:
            return ("stp configuration header");
        case LIBNET_PBLOCK_STP_TCN_H:
            return ("stp tcn header");
        case LIBNET_PBLOCK_ISL_H:
            return ("isl header");
        case LIBNET_PBLOCK_IPV6_H:
            return ("ipv6 header");
        case LIBNET_PBLOCK_802_1X_H:
            return ("802.1x header");
        case LIBNET_PBLOCK_RPC_CALL_H:
            return ("rpc call header");
        case LIBNET_PBLOCK_MPLS_H:
            return ("mlps header");
        case LIBNET_PBLOCK_FDDI_H:
            return ("fddi header");
        case LIBNET_PBLOCK_TOKEN_RING_H:
            return ("token ring header");
        case LIBNET_PBLOCK_BGP4_HEADER_H:
            return ("bgp header");
        case LIBNET_PBLOCK_BGP4_OPEN_H:
            return ("bgp open header");
        case LIBNET_PBLOCK_BGP4_UPDATE_H:
            return ("bgp update header");
        case LIBNET_PBLOCK_BGP4_NOTIFICATION_H:
            return ("bgp notification header");
        case LIBNET_PBLOCK_GRE_H:
            return ("gre header");
        case LIBNET_PBLOCK_GRE_SRE_H:
            return ("gre sre header");
        case LIBNET_PBLOCK_IPV6_FRAG_H:
            return ("ipv6 fragmentation header");
        case LIBNET_PBLOCK_IPV6_ROUTING_H:
            return ("ipv6 routing header");
        case LIBNET_PBLOCK_IPV6_DESTOPTS_H:
            return ("ipv6 destination options header");
        case LIBNET_PBLOCK_IPV6_HBHOPTS_H:
            return ("ipv6 hop by hop options header");
        default:
            snprintf(buf, sizeof(buf),
                    "%s(): unknown pblock type: %d", __func__, type);
            return (buf);
    }
    return ("unreachable code");
}
/* EOF */
Commit	Line	Data
86530b38 AT	1	/*
	2	* $Id: libnet_internal.c,v 1.19 2005/11/29 22:49:19 carlosc Exp $
	3	*
	4	* libnet
	5	* libnet_internal.c - secret routines!
	6	*
	7	* Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
	8	* All rights reserved.
	9	*
	10	* Redistribution and use in source and binary forms, with or without
	11	* modification, are permitted provided that the following conditions
	12	* are met:
	13	* 1. Redistributions of source code must retain the above copyright
	14	* notice, this list of conditions and the following disclaimer.
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in the
	17	* documentation and/or other materials provided with the distribution.
	18	*
	19	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	20	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	21	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	22	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	23	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	24	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	25	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	26	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	27	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	28	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	29	* SUCH DAMAGE.
	30	*
	31	*/
	32
	33	#if (HAVE_CONFIG_H)
	34	#include "../include/config.h"
	35	#endif
	36	#if (!(_WIN32) \|\| (__CYGWIN__))
	37	#include "../include/libnet.h"
	38	#else
	39	#include "../include/win32/libnet.h"
	40	#endif
	41
	42	void
	43	libnet_diag_dump_hex(u_int8_t packet, u_int32_t len, int swap, FILE stream)
	44	{
	45	int i, s_cnt;
	46	u_int16_t *p;
	47
	48	p = (u_int16_t *)packet;
	49	s_cnt = len / sizeof(u_int16_t);
	50
	51	fprintf(stream, "\t");
	52	for (i = 0; --s_cnt >= 0; i++)
	53	{
	54	if ((!(i % 8)))
	55	{
	56	fprintf(stream, "\n%02x\t", (i * 2));
	57	}
	58	fprintf(stream, "%04x ", swap ? ntohs((p++)) : (p++));
	59	}
	60
	61	/*
	62	* Mop up an odd byte.
	63	*/
	64	if (len & 1)
65	{
66	if ((!(i % 8)))
67	{
68	fprintf(stream, "\n%02x\t", (i * 2));
69	}
70	fprintf(stream, "%02x ", (u_int8_t )p);
71	}
72	fprintf(stream, "\n");
73	}
74
75
76	void
77	libnet_diag_dump_context(libnet_t *l)
78	{
79	if (l == NULL)
80	{
81	return;
82	}
83
84	fprintf(stderr, "fd:\t\t%d\n", l->fd);
85
86	switch (l->injection_type)
87	{
88	case LIBNET_LINK:
89	fprintf(stderr, "injection type:\tLIBNET_LINK\n");
90	break;
91	case LIBNET_RAW4:
92	fprintf(stderr, "injection type:\tLIBNET_RAW4\n");
93	break;
94	case LIBNET_RAW6:
95	fprintf(stderr, "injection type:\tLIBNET_RAW6\n");
96	break;
97	case LIBNET_LINK_ADV:
98	fprintf(stderr, "injection type:\tLIBNET_LINK_ADV\n");
99	break;
100	case LIBNET_RAW4_ADV:
101	fprintf(stderr, "injection type:\tLIBNET_RAW4_ADV\n");
102	break;
103	case LIBNET_RAW6_ADV:
104	fprintf(stderr, "injection type:\tLIBNET_RAW6_ADV\n");
105	break;
106	default:
107	fprintf(stderr, "injection type:\tinvalid injection type %d\n",
108	l->injection_type);
109	break;
110	}
111
112	fprintf(stderr, "pblock start:\t%p\n", l->protocol_blocks);
113	fprintf(stderr, "pblock end:\t%p\n", l->pblock_end);
114	fprintf(stderr, "link type:\t%d\n", l->link_type);
115	fprintf(stderr, "link offset:\t%d\n", l->link_offset);
116	fprintf(stderr, "aligner:\t%d\n", l->aligner);
117	fprintf(stderr, "device:\t\t%s\n", l->device);
118	fprintf(stderr, "packets sent:\t%lld\n", l->stats.packets_sent);
119	fprintf(stderr, "packet errors:\t%lld\n", l->stats.packet_errors);
120	fprintf(stderr, "bytes written:\t%lld\n", l->stats.bytes_written);
121	fprintf(stderr, "ptag state:\t%d\n", l->ptag_state);
122	fprintf(stderr, "context label:\t%s\n", l->label);
123	fprintf(stderr, "last errbuf:\t%s\n", l->err_buf);
124	fprintf(stderr, "total size:\t%d\n", l->total_size);
125	}
126
127	void
128	libnet_diag_dump_pblock(libnet_t *l)
129	{
130	u_int32_t n;
131	libnet_pblock_t *p;
132
133	for (p = l->protocol_blocks; p; p = p->next)
134	{
135	fprintf(stderr, "pblock type:\t%s\n",
136	libnet_diag_dump_pblock_type(p->type));
137	fprintf(stderr, "ptag number:\t%d\n", p->ptag);
138	fprintf(stderr, "IP offset:\t%d\n", p->ip_offset);
139	fprintf(stderr, "pblock address:\t%p\n", p);
140	fprintf(stderr, "next pblock\t%p ", p->next);
141	if (p->next)
142	{
143	fprintf(stderr, "(%s)",
144	libnet_diag_dump_pblock_type(p->next->type));
145	}
146	fprintf(stderr, "\n");
147	fprintf(stderr, "prev pblock\t%p ", p->prev);
148	if (p->prev)
149	{
150	fprintf(stderr, "(%s)",
151	libnet_diag_dump_pblock_type(p->prev->type));
152	}
153	fprintf(stderr, "\n");
154	fprintf(stderr, "buf:\t\t");
155	for (n = 0; n < p->b_len; n++)
156	{
157	fprintf(stderr, "%02x", p->buf[n]);
158	}
159	fprintf(stderr, "\nbuffer length:\t%d\n", p->b_len);
160	if ((p->flags) & LIBNET_PBLOCK_DO_CHECKSUM)
161	{
162	fprintf(stderr, "checksum flag:\tYes\n");
163	fprintf(stderr, "chksum length:\t%d\n", p->h_len);
164	}
165	else
166	{
167	fprintf(stderr, "checksum flag:\tNo\n");
168	}
169	fprintf(stderr, "bytes copied:\t%d\n\n", p->copied);
170	}
171	}
172
173	char *
174	libnet_diag_dump_pblock_type(u_int8_t type)
175	{
176	static int8_t buf[50];
177	switch (type)
178	{
179	case LIBNET_PBLOCK_ARP_H:
180	return ("arp header");
181	case LIBNET_PBLOCK_DHCPV4_H:
182	return ("dhcpv4 header");
183	case LIBNET_PBLOCK_DNSV4_H:
184	return ("dnsv4 header");
185	case LIBNET_PBLOCK_ETH_H:
186	return ("ethernet header");
187	case LIBNET_PBLOCK_ICMPV4_H:
188	return ("icmpv4 header");
189	case LIBNET_PBLOCK_ICMPV4_ECHO_H:
190	return ("icmpv4 echo header");
191	case LIBNET_PBLOCK_ICMPV4_MASK_H:
192	return ("icmpv4 mask header");
193	case LIBNET_PBLOCK_ICMPV4_UNREACH_H:
194	return ("icmpv4 unreachable header");
195	case LIBNET_PBLOCK_ICMPV4_TIMXCEED_H:
196	return ("icmpv4 time exceeded header");
197	case LIBNET_PBLOCK_ICMPV4_REDIRECT_H:
198	return ("icmpv4 redirect header");
199	case LIBNET_PBLOCK_ICMPV4_TS_H:
200	return ("icmpv4 timestamp header");
201	case LIBNET_PBLOCK_IGMP_H:
202	return ("igmp header");
203	case LIBNET_PBLOCK_IPV4_H:
204	return ("ipv4 header");
205	case LIBNET_PBLOCK_IPO_H:
206	return ("ip options header");
207	case LIBNET_PBLOCK_IPDATA:
208	return ("ip data");
209	case LIBNET_PBLOCK_OSPF_H:
210	return ("ospf header");
211	case LIBNET_PBLOCK_OSPF_HELLO_H:
212	return ("ospf hello header");
213	case LIBNET_PBLOCK_OSPF_DBD_H:
214	return ("ospf dbd header");
215	case LIBNET_PBLOCK_OSPF_LSR_H:
216	return ("ospf lsr header");
217	case LIBNET_PBLOCK_OSPF_LSU_H:
218	return ("ospf lsu header");
219	case LIBNET_PBLOCK_OSPF_LSA_H:
220	return ("ospf lsa header");
221	case LIBNET_PBLOCK_OSPF_AUTH_H:
222	return ("ospf authentication header");
223	case LIBNET_PBLOCK_OSPF_CKSUM:
224	return ("ospf checksum");
225	case LIBNET_PBLOCK_LS_RTR_H:
226	return ("ospf ls rtr header");
227	case LIBNET_PBLOCK_LS_NET_H:
228	return ("ospf ls net header");
229	case LIBNET_PBLOCK_LS_SUM_H:
230	return ("ospf ls sum header");
231	case LIBNET_PBLOCK_LS_AS_EXT_H:
232	return ("ospf ls as extension header");
233	case LIBNET_PBLOCK_NTP_H:
234	return ("ntp header");
235	case LIBNET_PBLOCK_RIP_H:
236	return ("rip header");
237	case LIBNET_PBLOCK_TCP_H:
238	return ("tcp header");
239	case LIBNET_PBLOCK_TCPO_H:
240	return ("tcp options header");
241	case LIBNET_PBLOCK_TCPDATA:
242	return ("tcp data");
243	case LIBNET_PBLOCK_UDP_H:
244	return ("udp header");
245	case LIBNET_PBLOCK_VRRP_H:
246	return ("vrrp header");
247	case LIBNET_PBLOCK_DATA_H:
248	return ("data");
249	case LIBNET_PBLOCK_CDP_H:
250	return ("cdp header");
251	case LIBNET_PBLOCK_IPSEC_ESP_HDR_H:
252	return ("ipsec esp header");
253	case LIBNET_PBLOCK_IPSEC_ESP_FTR_H:
254	return ("ipsec esp footer");
255	case LIBNET_PBLOCK_IPSEC_AH_H:
256	return ("ipsec authentication header");
257	case LIBNET_PBLOCK_802_1Q_H:
258	return ("802.1q header");
259	case LIBNET_PBLOCK_802_2_H:
260	return ("802.2 header");
261	case LIBNET_PBLOCK_802_2SNAP_H:
262	return ("802.2SNAP header");
263	case LIBNET_PBLOCK_802_3_H:
264	return ("802.3 header");
265	case LIBNET_PBLOCK_STP_CONF_H:
266	return ("stp configuration header");
267	case LIBNET_PBLOCK_STP_TCN_H:
268	return ("stp tcn header");
269	case LIBNET_PBLOCK_ISL_H:
270	return ("isl header");
271	case LIBNET_PBLOCK_IPV6_H:
272	return ("ipv6 header");
273	case LIBNET_PBLOCK_802_1X_H:
274	return ("802.1x header");
275	case LIBNET_PBLOCK_RPC_CALL_H:
276	return ("rpc call header");
277	case LIBNET_PBLOCK_MPLS_H:
278	return ("mlps header");
279	case LIBNET_PBLOCK_FDDI_H:
280	return ("fddi header");
281	case LIBNET_PBLOCK_TOKEN_RING_H:
282	return ("token ring header");
283	case LIBNET_PBLOCK_BGP4_HEADER_H:
284	return ("bgp header");
285	case LIBNET_PBLOCK_BGP4_OPEN_H:
286	return ("bgp open header");
287	case LIBNET_PBLOCK_BGP4_UPDATE_H:
288	return ("bgp update header");
289	case LIBNET_PBLOCK_BGP4_NOTIFICATION_H:
290	return ("bgp notification header");
291	case LIBNET_PBLOCK_GRE_H:
292	return ("gre header");
293	case LIBNET_PBLOCK_GRE_SRE_H:
294	return ("gre sre header");
295	case LIBNET_PBLOCK_IPV6_FRAG_H:
296	return ("ipv6 fragmentation header");
297	case LIBNET_PBLOCK_IPV6_ROUTING_H:
298	return ("ipv6 routing header");
299	case LIBNET_PBLOCK_IPV6_DESTOPTS_H:
300	return ("ipv6 destination options header");
301	case LIBNET_PBLOCK_IPV6_HBHOPTS_H:
302	return ("ipv6 hop by hop options header");
303	default:
304	snprintf(buf, sizeof(buf),
305	"%s(): unknown pblock type: %d", __func__, type);
306	return (buf);
307	}
308	return ("unreachable code");
309	}
310	/* EOF */