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/*
*------------------------------------------------------------------
* Copyright (c) 2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*------------------------------------------------------------------
*/
#include <igmp/igmp.h>
#include <vnet/ip/ip.h>
u8 *
format_igmp_type (u8 * s, va_list * args)
{
igmp_type_t type = va_arg (*args, int);
switch (type)
{
#define _(n,f) case IGMP_TYPE_##f: return (format (s, "%s", #f));
foreach_igmp_type
#undef _
}
return format (s, "unknown:%d", type);
}
u8 *
format_igmp_membership_group_type (u8 * s, va_list * args)
{
igmp_membership_group_v3_type_t type = va_arg (*args, int);
switch (type)
{
#define _(n,f) case IGMP_MEMBERSHIP_GROUP_##f: return (format (s, "%s", #f));
foreach_igmp_membership_group_v3_type
#undef _
}
return (format (s, "unknown:%d", type));
}
u8 *
format_igmp_filter_mode (u8 * s, va_list * args)
{
igmp_filter_mode_t mode = va_arg (*args, igmp_filter_mode_t);
switch (mode)
{
#define _(n,f) case IGMP_FILTER_MODE_##f: return (format (s, "%s", #f));
foreach_igmp_filter_mode
#undef _
}
return (format (s, "unknown:%d", mode));
}
u8 *
format_igmp_header (u8 * s, va_list * args)
{
igmp_header_t *hdr = va_arg (*args, igmp_header_t *);
u32 max_header_bytes = va_arg (*args, u32);
u32 indent;
if (max_header_bytes < sizeof (hdr[0]))
return format (s, "IGMP header truncated");
indent = format_get_indent (s);
indent += 2;
s =
format (s, "%U%U: code %u, checksum 0x%04x", format_white_space, indent,
format_igmp_type, hdr->type, hdr->code,
clib_net_to_host_u16 (hdr->checksum));
return s;
}
u8 *
format_igmp_report_v3 (u8 * s, va_list * args)
{
igmp_membership_report_v3_t *igmp =
va_arg (*args, igmp_membership_report_v3_t *);
u32 max_header_bytes = va_arg (*args, u32);
igmp_membership_group_v3_t *group;
u32 len = sizeof (igmp_membership_report_v3_t);
u32 indent;
if (max_header_bytes < sizeof (igmp[0]))
return format (s, "IGMP report truncated");
indent = format_get_indent (s);
indent += 2;
s =
format (s, "%Un_groups %u", format_white_space, indent,
clib_net_to_host_u16 (igmp->n_groups));
indent += 2;
int i, j = 0;
for (i = 0; i < clib_net_to_host_u16 (igmp->n_groups); i++)
{
group = group_ptr (igmp, len);
s =
format (s, "\n%U%U: %U, sources %u", format_white_space, indent,
format_igmp_membership_group_type, group->type,
format_ip4_address, &group->group_address,
clib_net_to_host_u16 (group->n_src_addresses));
indent += 2;
for (j = 0; j < clib_net_to_host_u16 (group->n_src_addresses); j++)
{
s =
format (s, "\n%U%U", format_white_space, indent,
format_ip4_address, &group->src_addresses[j]);
}
indent -= 2;
len +=
sizeof (igmp_membership_group_v3_t) +
(sizeof (ip4_address_t) *
clib_net_to_host_u16 (group->n_src_addresses));
}
return s;
}
u8 *
format_igmp_query_v3 (u8 * s, va_list * args)
{
igmp_membership_query_v3_t *igmp =
va_arg (*args, igmp_membership_query_v3_t *);
u32 max_header_bytes = va_arg (*args, u32);
u32 indent;
int i;
if (max_header_bytes < sizeof (igmp[0]))
return format (s, "IGMP query truncated");
indent = format_get_indent (s);
indent += 2;
ip4_address_t tmp;
tmp.as_u32 = 0;
if ((!ip4_address_compare (&igmp->group_address, &tmp))
&& (igmp->n_src_addresses == 0))
s = format (s, "%UGeneral Query", format_white_space, indent);
else if (igmp->n_src_addresses == 0)
s = format (s, "%UGroup-Specific Query: %U", format_white_space, indent,
format_ip4_address, &igmp->group_address);
else
{
s =
format (s, "%UGroup-and-Source-Specific Query: %U",
format_white_space, indent, format_ip4_address,
&igmp->group_address);
indent += 2;
for (i = 0; i < clib_net_to_host_u16 (igmp->n_src_addresses); i++)
{
s = format (s, "\n%U%U", format_white_space, indent,
format_ip4_address, &igmp->src_addresses[i]);
}
}
return s;
}
u8 *
format_igmp_src_addr_list (u8 * s, va_list * args)
{
ip46_address_t *ss, *srcs;
srcs = va_arg (*args, ip46_address_t *);
s = format (s, "[");
vec_foreach (ss, srcs)
{
s = format (s, "%U ", format_ip46_address, ss, IP46_TYPE_ANY);
}
s = format (s, "]");
return (s);
}
u8 *
format_igmp_key (u8 * s, va_list * args)
{
const igmp_key_t *key = va_arg (*args, const igmp_key_t *);
s = format (s, "%U", format_ip46_address, key, IP46_TYPE_ANY);
return (s);
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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