/*-
* BSD LICENSE
*
* Copyright 2016 6WIND S.A.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of 6WIND S.A. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* OWNER 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.
*/
#include <stdint.h>
#include <rte_mbuf.h>
#include <rte_mbuf_ptype.h>
/* get the name of the l2 packet type */
const char *rte_get_ptype_l2_name(uint32_t ptype)
{
switch (ptype & RTE_PTYPE_L2_MASK) {
case RTE_PTYPE_L2_ETHER: return "L2_ETHER";
case RTE_PTYPE_L2_ETHER_TIMESYNC: return "L2_ETHER_TIMESYNC";
case RTE_PTYPE_L2_ETHER_ARP: return "L2_ETHER_ARP";
case RTE_PTYPE_L2_ETHER_LLDP: return "L2_ETHER_LLDP";
case RTE_PTYPE_L2_ETHER_NSH: return "L2_ETHER_NSH";
case RTE_PTYPE_L2_ETHER_VLAN: return "L2_ETHER_VLAN";
case RTE_PTYPE_L2_ETHER_QINQ: return "L2_ETHER_QINQ";
default: return "L2_UNKNOWN";
}
}
/* get the name of the l3 packet type */
const char *rte_get_ptype_l3_name(uint32_t ptype)
{
switch (ptype & RTE_PTYPE_L3_MASK) {
case RTE_PTYPE_L3_IPV4: return "L3_IPV4";
case RTE_PTYPE_L3_IPV4_EXT: return "L3_IPV4_EXT";
case RTE_PTYPE_L3_IPV6: return "L3_IPV6";
case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN: return "L3_IPV4_EXT_UNKNOWN";
case RTE_PTYPE_L3_IPV6_EXT: return "L3_IPV6_EXT";
case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN: return "L3_IPV6_EXT_UNKNOWN";
default: return "L3_UNKNOWN";
}
}
/* get the name of the l4 packet type */
const char *rte_get_ptype_l4_name(uint32_t ptype)
{
switch (ptype & RTE_PTYPE_L4_MASK) {
case RTE_PTYPE_L4_TCP: return "L4_TCP";
case RTE_PTYPE_L4_UDP: return "L4_UDP";
case RTE_PTYPE_L4_FRAG: return "L4_FRAG";
case RTE_PTYPE_L4_SCTP: return "L4_SCTP";
case RTE_PTYPE_L4_ICMP: return "L4_ICMP";
case RTE_PTYPE_L4_NONFRAG: return "L4_NONFRAG";
default: return "L4_UNKNOWN";
}
}
/* get the name of the tunnel packet type */
const char *rte_get_ptype_tunnel_name(uint32_t ptype)
{
switch (ptype & RTE_PTYPE_TUNNEL_MASK) {
case RTE_PTYPE_TUNNEL_IP: return "TUNNEL_IP";
case RTE_PTYPE_TUNNEL_GRE: return "TUNNEL_GRE";
case RTE_PTYPE_TUNNEL_VXLAN: return "TUNNEL_VXLAN";
case RTE_PTYPE_TUNNEL_NVGRE: return "TUNNEL_NVGRE";
case RTE_PTYPE_TUNNEL_GENEVE: return "TUNNEL_GENEVE";
case RTE_PTYPE_TUNNEL_GRENAT: return "TUNNEL_GRENAT";
default: return "TUNNEL_UNKNOWN";
}
}
/* get the name of the inner_l2 packet type */
const char *rte_get_ptype_inner_l2_name(uint32_t ptype)
{
switch (ptype & RTE_PTYPE_INNER_L2_MASK) {
case RTE_PTYPE_INNER_L2_ETHER: return "INNER_L2_ETHER";
case RTE_PTYPE_INNER_L2_ETHER_VLAN: return "INNER_L2_ETHER_VLAN";
case RTE_PTYPE_INNER_L2_ETHER_QINQ: return "INNER_L2_ETHER_QINQ";
default: return "INNER_L2_UNKNOWN";
}
}
/* get the name of the inner_l3 packet type */
const char *rte_get_ptype_inner_l3_name(uint32_t ptype)
{
switch (ptype & RTE_PTYPE_INNER_L3_MASK) {
case RTE_PTYPE_INNER_L3_IPV4: return "INNER_L3_IPV4";
case RTE_PTYPE_INNER_L3_IPV4_EXT: return "INNER_L3_IPV4_EXT";
case RTE_PTYPE_INNER_L3_IPV6: return "INNER_L3_IPV6";
case RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN:
return "INNER_L3_IPV4_EXT_UNKNOWN";
case RTE_PTYPE_INNER_L3_IPV6_EXT: return "INNER_L3_IPV6_EXT";
case RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN:
return "INNER_L3_IPV6_EXT_UNKNOWN";
default: return "INNER_L3_UNKNOWN";
}
}
/* get the name of the inner_l4 packet type */
const char *rte_get_ptype_inner_l4_name(uint32_t ptype)
{
switch (ptype & RTE_PTYPE_INNER_L4_MASK) {
case RTE_PTYPE_INNER_L4_TCP: return "INNER_L4_TCP";
case RTE_PTYPE_INNER_L4_UDP: return "INNER_L4_UDP";
case RTE_PTYPE_INNER_L4_FRAG: return "INNER_L4_FRAG";
case RTE_PTYPE_INNER_L4_SCTP: return "INNER_L4_SCTP";
case RTE_PTYPE_INNER_L4_ICMP: return "INNER_L4_ICMP";
case RTE_PTYPE_INNER_L4_NONFRAG: return "INNER_L4_NONFRAG";
default: return "INNER_L4_UNKNOWN";
}
}
/* write the packet type name into the buffer */
int rte_get_ptype_name(uint32_t ptype, char *buf, size_t buflen)
{
int ret;
if (buflen == 0)
return -1;
buf[0] = '\0';
if ((ptype & RTE_PTYPE_ALL_MASK) == RTE_PTYPE_UNKNOWN) {
ret = snprintf(buf, buflen, "UNKNOWN");
if (ret < 0)
return -1;
if ((size_t)ret >= buflen)
return -1;
return 0;
}
if ((ptype & RTE_PTYPE_L2_MASK) != 0) {
ret = snprintf(buf, buflen, "%s ",
rte_get_ptype_l2_name(ptype));
if (ret < 0)
return -1;
if ((size_t)ret >= buflen)
return -1;
buf += ret;
buflen -= ret;
}
if ((ptype & RTE_PTYPE_L3_MASK) != 0) {
ret = snprintf(buf, buflen, "%s ",
rte_get_ptype_l3_name(ptype));
if (ret < 0)
return -1;
if ((size_t)ret >= buflen)
return -1;
buf += ret;
buflen -= ret;
}
if ((ptype & RTE_PTYPE_L4_MASK) != 0) {
ret = snprintf(buf, buflen, "%s ",
rte_get_ptype_l4_name(ptype));
if (ret < 0)
return -1;
if ((size_t)ret >= buflen)
return -1;
buf += ret;
buflen -= ret;
}
if ((ptype & RTE_PTYPE_TUNNEL_MASK) != 0) {
ret = snprintf(buf, buflen, "%s ",
rte_get_ptype_tunnel_name(ptype));
if (ret < 0)
return -1;
if ((size_t)ret >= buflen)
return -1;
buf += ret;
buflen -= ret;
}
if ((ptype & RTE_PTYPE_INNER_L2_MASK) != 0) {
ret = snprintf(buf, buflen, "%s ",
rte_get_ptype_inner_l2_name(ptype));
if (ret < 0)
return -1;
if ((size_t)ret >= buflen)
return -1;
buf += ret;
buflen -= ret;
}
if ((ptype & RTE_PTYPE_INNER_L3_MASK) != 0) {
ret = snprintf(buf, buflen, "%s ",
rte_get_ptype_inner_l3_name(ptype));
if (ret < 0)
return -1;
if ((size_t)ret >= buflen)
return -1;
buf += ret;
buflen -= ret;
}
if ((ptype & RTE_PTYPE_INNER_L4_MASK) != 0) {
ret = snprintf(buf, buflen, "%s ",
rte_get_ptype_inner_l4_name(ptype));
if (ret < 0)
return -1;
if ((size_t)ret >= buflen)
return -1;
buf += ret;
buflen -= ret;
}
return 0;
}
