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

/*
 *  libnet
 *  libnet_build_fddi.c - Fiber Distributed Data Interface packet assembler
 *
 *  Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
 *                            Jason Damron      <jsdamron@hushmail.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

libnet_ptag_t
libnet_build_fddi(u_int8_t fc, u_int8_t *dst, u_int8_t *src, u_int8_t dsap,
u_int8_t ssap, u_int8_t cf, u_int8_t *org, u_int16_t type, u_int8_t *payload,
u_int32_t payload_s, libnet_t *l, libnet_ptag_t ptag)
{
    u_int32_t n, h;
    u_int16_t protocol_type;
    libnet_pblock_t *p;
    struct libnet_fddi_hdr fddi_hdr;

    if (l == NULL)
    { 
        return (-1);
    } 

    /* sanity check injection type if we're not in advanced mode */
    if (l->injection_type != LIBNET_LINK &&
            !(((l->injection_type) & LIBNET_ADV_MASK)))
    {
         snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
            "%s(): called with non-link layer wire injection primitive",
                    __func__);
        p = NULL;
        goto bad;
    }

    n = LIBNET_FDDI_H + payload_s;
    h = 0;
 
    /*
     *  Find the existing protocol block if a ptag is specified, or create
     *  a new one.
     */
    p = libnet_pblock_probe(l, ptag, n, LIBNET_PBLOCK_FDDI_H);
    if (p == NULL)
    {
        return (-1);
    }

    memset(&fddi_hdr, 0, sizeof(fddi_hdr));
    fddi_hdr.fddi_frame_control     = fc;            /* Class/Format/Priority */
    memcpy(fddi_hdr.fddi_dhost, dst, FDDI_ADDR_LEN);  /* dst fddi address */
    memcpy(fddi_hdr.fddi_shost, src, FDDI_ADDR_LEN);  /* source fddi address */
    fddi_hdr.fddi_llc_dsap          = dsap;           /* */
    fddi_hdr.fddi_llc_ssap          = ssap;           /* */
    fddi_hdr.fddi_llc_control_field = cf;             /* Class/Format/Priority */
    memcpy(&fddi_hdr.fddi_llc_org_code, org, LIBNET_ORG_CODE_SIZE); 

    /* Deal with unaligned int16_t for type */
    protocol_type = htons(type);
    memcpy(&fddi_hdr.fddi_type, &protocol_type, sizeof(int16_t));   /* Protocol Type */

    n = libnet_pblock_append(l, p, (u_int8_t *)&fddi_hdr, LIBNET_FDDI_H);
    if (n == -1)
    {
        goto bad;
    }
 
    if ((payload && !payload_s) || (!payload && payload_s))
    {
         snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
			     "%s(): payload inconsistency\n", __func__);
        goto bad;
    }

    if (payload && payload_s)
    {
        n = libnet_pblock_append(l, p, payload, payload_s);
        if (n == -1)
        {
            goto bad;
        }
    }
 
    return (ptag ? ptag : libnet_pblock_update(l, p, h, LIBNET_PBLOCK_FDDI_H));
bad:
    libnet_pblock_delete(l, p);
    return (-1);
}


libnet_ptag_t
libnet_autobuild_fddi(u_int8_t fc, u_int8_t *dst, u_int8_t dsap, u_int8_t ssap,
                      u_int8_t cf, u_int8_t *org, u_int16_t type, libnet_t *l)
{
    u_int32_t n, h;
    u_int16_t protocol_type;
    struct libnet_fddi_addr *src;
    libnet_pblock_t *p;
    libnet_ptag_t ptag;
    struct libnet_fddi_hdr fddi_hdr;

    if (l == NULL)
    { 
        return (-1);
    } 

    /* sanity check injection type if we're not in advanced mode */
    if (l->injection_type != LIBNET_LINK &&
            !(((l->injection_type) & LIBNET_ADV_MASK)))
    {
         snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
            "%s(): called with non-link layer wire injection primitive",
                    __func__);
        p = NULL;
        goto bad;
    }

    n = LIBNET_FDDI_H;
    h = 0;
    ptag = LIBNET_PTAG_INITIALIZER;

    /* FDDI and Ethernet have the same address size - so just typecast */
    src = (struct libnet_fddi_addr *) libnet_get_hwaddr(l);
    if (src == NULL)
    {
        /* err msg set in libnet_get_hwaddr() */
        return (-1);
    }

    p = libnet_pblock_probe(l, ptag, n, LIBNET_PBLOCK_FDDI_H);
    if (p == NULL)
    {
        return (-1);
    }

	memset(&fddi_hdr, 0, sizeof(fddi_hdr));
	fddi_hdr.fddi_frame_control     = fc;             /* Class/Format/Priority */
    memcpy(fddi_hdr.fddi_dhost, dst, FDDI_ADDR_LEN);  /* destination fddi address */
    memcpy(fddi_hdr.fddi_shost, src, FDDI_ADDR_LEN);  /* source fddi address */
    fddi_hdr.fddi_llc_dsap          = dsap;           /* */
    fddi_hdr.fddi_llc_ssap          = ssap;           /* */
    fddi_hdr.fddi_llc_control_field = cf;             /* Class/Format/Priority */
    memcpy(&fddi_hdr.fddi_llc_org_code, org, LIBNET_ORG_CODE_SIZE); 

    /* Deal with unaligned int16_t for type */
    protocol_type = htons(type);
    memcpy(&fddi_hdr.fddi_type, &protocol_type, sizeof(int16_t));   /* Protocol Type */

    n = libnet_pblock_append(l, p, (u_int8_t *)&fddi_hdr, LIBNET_FDDI_H);
    if (n == -1)
    {
        goto bad;
    }

    return (libnet_pblock_update(l, p, h, LIBNET_PBLOCK_FDDI_H));
bad:
    libnet_pblock_delete(l, p);
    return (-1); 
}
/* EOF */
Commit	Line	Data
86530b38 AT	1	/*
	2	* libnet
	3	* libnet_build_fddi.c - Fiber Distributed Data Interface packet assembler
	4	*
	5	* Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
	6	* Jason Damron <jsdamron@hushmail.com>
	7	* All rights reserved.
	8	*
	9	* Redistribution and use in source and binary forms, with or without
	10	* modification, are permitted provided that the following conditions
	11	* are met:
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	* 2. Redistributions in binary form must reproduce the above copyright
	15	* notice, this list of conditions and the following disclaimer in the
	16	* documentation and/or other materials provided with the distribution.
	17	*
	18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	19	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	20	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	21	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	22	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	23	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	24	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	25	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	26	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	27	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	28	* SUCH DAMAGE.
	29	*
	30	*/
	31
	32	#if (HAVE_CONFIG_H)
	33	#include "../include/config.h"
	34	#endif
	35	#if (!(_WIN32) \|\| (__CYGWIN__))
	36	#include "../include/libnet.h"
	37	#else
	38	#include "../include/win32/libnet.h"
	39	#endif
	40
	41	libnet_ptag_t
	42	libnet_build_fddi(u_int8_t fc, u_int8_t dst, u_int8_t src, u_int8_t dsap,
	43	u_int8_t ssap, u_int8_t cf, u_int8_t org, u_int16_t type, u_int8_t payload,
	44	u_int32_t payload_s, libnet_t *l, libnet_ptag_t ptag)
	45	{
	46	u_int32_t n, h;
	47	u_int16_t protocol_type;
	48	libnet_pblock_t *p;
	49	struct libnet_fddi_hdr fddi_hdr;
	50
	51	if (l == NULL)
	52	{
	53	return (-1);
	54	}
	55
	56	/* sanity check injection type if we're not in advanced mode */
	57	if (l->injection_type != LIBNET_LINK &&
	58	!(((l->injection_type) & LIBNET_ADV_MASK)))
	59	{
	60	snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
	61	"%s(): called with non-link layer wire injection primitive",
	62	__func__);
	63	p = NULL;
	64	goto bad;
65	}
66
67	n = LIBNET_FDDI_H + payload_s;
68	h = 0;
69
70	/*
71	* Find the existing protocol block if a ptag is specified, or create
72	* a new one.
73	*/
74	p = libnet_pblock_probe(l, ptag, n, LIBNET_PBLOCK_FDDI_H);
75	if (p == NULL)
76	{
77	return (-1);
78	}
79
80	memset(&fddi_hdr, 0, sizeof(fddi_hdr));
81	fddi_hdr.fddi_frame_control = fc; /* Class/Format/Priority */
82	memcpy(fddi_hdr.fddi_dhost, dst, FDDI_ADDR_LEN); /* dst fddi address */
83	memcpy(fddi_hdr.fddi_shost, src, FDDI_ADDR_LEN); /* source fddi address */
84	fddi_hdr.fddi_llc_dsap = dsap; /* */
85	fddi_hdr.fddi_llc_ssap = ssap; /* */
86	fddi_hdr.fddi_llc_control_field = cf; /* Class/Format/Priority */
87	memcpy(&fddi_hdr.fddi_llc_org_code, org, LIBNET_ORG_CODE_SIZE);
88
89	/* Deal with unaligned int16_t for type */
90	protocol_type = htons(type);
91	memcpy(&fddi_hdr.fddi_type, &protocol_type, sizeof(int16_t)); /* Protocol Type */
92
93	n = libnet_pblock_append(l, p, (u_int8_t *)&fddi_hdr, LIBNET_FDDI_H);
94	if (n == -1)
95	{
96	goto bad;
97	}
98
99	if ((payload && !payload_s) \|\| (!payload && payload_s))
100	{
101	snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
102	"%s(): payload inconsistency\n", __func__);
103	goto bad;
104	}
105
106	if (payload && payload_s)
107	{
108	n = libnet_pblock_append(l, p, payload, payload_s);
109	if (n == -1)
110	{
111	goto bad;
112	}
113	}
114
115	return (ptag ? ptag : libnet_pblock_update(l, p, h, LIBNET_PBLOCK_FDDI_H));
116	bad:
117	libnet_pblock_delete(l, p);
118	return (-1);
119	}
120
121
122	libnet_ptag_t
123	libnet_autobuild_fddi(u_int8_t fc, u_int8_t *dst, u_int8_t dsap, u_int8_t ssap,
124	u_int8_t cf, u_int8_t org, u_int16_t type, libnet_t l)
125	{
126	u_int32_t n, h;
127	u_int16_t protocol_type;
128	struct libnet_fddi_addr *src;
129	libnet_pblock_t *p;
130	libnet_ptag_t ptag;
131	struct libnet_fddi_hdr fddi_hdr;
132
133	if (l == NULL)
134	{
135	return (-1);
136	}
137
138	/* sanity check injection type if we're not in advanced mode */
139	if (l->injection_type != LIBNET_LINK &&
140	!(((l->injection_type) & LIBNET_ADV_MASK)))
141	{
142	snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
143	"%s(): called with non-link layer wire injection primitive",
144	__func__);
145	p = NULL;
146	goto bad;
147	}
148
149	n = LIBNET_FDDI_H;
150	h = 0;
151	ptag = LIBNET_PTAG_INITIALIZER;
152
153	/* FDDI and Ethernet have the same address size - so just typecast */
154	src = (struct libnet_fddi_addr *) libnet_get_hwaddr(l);
155	if (src == NULL)
156	{
157	/* err msg set in libnet_get_hwaddr() */
158	return (-1);
159	}
160
161	p = libnet_pblock_probe(l, ptag, n, LIBNET_PBLOCK_FDDI_H);
162	if (p == NULL)
163	{
164	return (-1);
165	}
166
167	memset(&fddi_hdr, 0, sizeof(fddi_hdr));
168	fddi_hdr.fddi_frame_control = fc; /* Class/Format/Priority */
169	memcpy(fddi_hdr.fddi_dhost, dst, FDDI_ADDR_LEN); /* destination fddi address */
170	memcpy(fddi_hdr.fddi_shost, src, FDDI_ADDR_LEN); /* source fddi address */
171	fddi_hdr.fddi_llc_dsap = dsap; /* */
172	fddi_hdr.fddi_llc_ssap = ssap; /* */
173	fddi_hdr.fddi_llc_control_field = cf; /* Class/Format/Priority */
174	memcpy(&fddi_hdr.fddi_llc_org_code, org, LIBNET_ORG_CODE_SIZE);
175
176	/* Deal with unaligned int16_t for type */
177	protocol_type = htons(type);
178	memcpy(&fddi_hdr.fddi_type, &protocol_type, sizeof(int16_t)); /* Protocol Type */
179
180	n = libnet_pblock_append(l, p, (u_int8_t *)&fddi_hdr, LIBNET_FDDI_H);
181	if (n == -1)
182	{
183	goto bad;
184	}
185
186	return (libnet_pblock_update(l, p, h, LIBNET_PBLOCK_FDDI_H));
187	bad:
188	libnet_pblock_delete(l, p);
189	return (-1);
190	}
191	/* EOF */