2 *------------------------------------------------------------------
3 * Copyright (c) 2018 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
18 #include <igmp/igmp.h>
19 #include <vnet/ip/ip.h>
22 format_igmp_type (u8 * s, va_list * args)
24 igmp_type_t type = va_arg (*args, igmp_type_t);
25 igmp_main_t *im = &igmp_main;
26 igmp_type_info_t *ti = igmp_get_type_info (im, type);
29 return format (s, "%s", ti->name);
31 return format (s, "unknown %d", type);
35 format_igmp_report_type (u8 * s, va_list * args)
37 igmp_membership_group_v3_type_t report_type =
38 va_arg (*args, igmp_membership_group_v3_type_t);
39 igmp_main_t *im = &igmp_main;
40 igmp_report_type_info_t *rti = igmp_get_report_type_info (im, report_type);
43 return format (s, "%s", rti->name);
45 return format (s, "unknown %d", report_type);
49 format_igmp_header (u8 * s, va_list * args)
51 igmp_header_t *hdr = va_arg (*args, igmp_header_t *);
52 u32 max_header_bytes = va_arg (*args, u32);
55 if (max_header_bytes < sizeof (hdr[0]))
56 return format (s, "IGMP header truncated");
58 indent = format_get_indent (s);
62 format (s, "%U%U: code %u, checksum 0x%04x", format_white_space, indent,
63 format_igmp_type, hdr->type, hdr->code,
64 clib_net_to_host_u16 (hdr->checksum));
69 format_igmp_report_v3 (u8 * s, va_list * args)
71 igmp_membership_report_v3_t *igmp =
72 va_arg (*args, igmp_membership_report_v3_t *);
73 u32 max_header_bytes = va_arg (*args, u32);
74 igmp_membership_group_v3_t *group;
76 u32 len = sizeof (igmp_membership_report_v3_t);
79 if (max_header_bytes < sizeof (igmp[0]))
80 return format (s, "IGMP report truncated");
82 indent = format_get_indent (s);
86 format (s, "%Un_groups %u", format_white_space, indent,
87 clib_net_to_host_u16 (igmp->n_groups));
90 for (i = 0; i < clib_net_to_host_u16 (igmp->n_groups); i++)
92 group = group_ptr (igmp, len);
94 format (s, "\n%U%U: %U, sources %u", format_white_space, indent,
95 format_igmp_report_type, group->type, format_ip4_address,
97 clib_net_to_host_u16 (group->n_src_addresses));
99 for (j = 0; j < clib_net_to_host_u16 (group->n_src_addresses); j++)
102 format (s, "\n%U%U", format_white_space, indent,
103 format_ip4_address, &group->src_addresses[j]);
107 sizeof (igmp_membership_group_v3_t) +
108 (sizeof (ip4_address_t) *
109 clib_net_to_host_u16 (group->n_src_addresses));
115 format_igmp_query_v3 (u8 * s, va_list * args)
117 igmp_membership_query_v3_t *igmp =
118 va_arg (*args, igmp_membership_query_v3_t *);
119 u32 max_header_bytes = va_arg (*args, u32);
123 if (max_header_bytes < sizeof (igmp[0]))
124 return format (s, "IGMP query truncated");
126 indent = format_get_indent (s);
132 if ((!ip4_address_compare (&igmp->dst, &tmp))
133 && (igmp->n_src_addresses == 0))
134 s = format (s, "%UGeneral Query", format_white_space, indent);
135 else if (igmp->n_src_addresses == 0)
136 s = format (s, "%UGroup-Specific Query: %U", format_white_space, indent,
137 format_ip4_address, &igmp->dst);
141 format (s, "%UGroup-and-Source-Specific Query: %U",
142 format_white_space, indent, format_ip4_address, &igmp->dst);
144 for (i = 0; i < clib_net_to_host_u16 (igmp->n_src_addresses); i++)
146 s = format (s, "\n%U%U", format_white_space, indent,
147 format_ip4_address, &igmp->src_addresses[i]);
154 * fd.io coding-style-patch-verification: ON
157 * eval: (c-set-style "gnu")