zebra: Allow ns delete to happen after under/over flow checks

[mirror_frr.git] / pimd / pim_msg.h

diff --git a/pimd/pim_msg.h b/pimd/pim_msg.h
index 5229f85c72a9a0cac2a7619458ab2b273be98fd0..ad9b5d9c01e6d457762acbff4dde100c6453bb29 100644 (file)
--- a/pimd/pim_msg.h
+++ b/pimd/pim_msg.h
@@ -1,30 +1,30 @@
 /*
-  PIM for Quagga
-  Copyright (C) 2008  Everton da Silva Marques
-
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  General Public License for more details.
-  
-  You should have received a copy of the GNU General Public License
-  along with this program; see the file COPYING; if not, write to the
-  Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
-  MA 02110-1301 USA
-*/
+ * PIM for Quagga
+ * Copyright (C) 2008  Everton da Silva Marques
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
 
 #ifndef PIM_MSG_H
 #define PIM_MSG_H
 
 #include <netinet/in.h>
 
+#include "pim_jp_agg.h"
 /*
-  Number       Description       
+  Number       Description
   ----------   ------------------
   0            Reserved
   1            IP (IP version 4)
@@ -33,27 +33,73 @@
   From:
   http://www.iana.org/assignments/address-family-numbers
 */
-#define PIM_MSG_ADDRESS_FAMILY_IPV4 (1)
+enum pim_msg_address_family {
+       PIM_MSG_ADDRESS_FAMILY_RESERVED,
+       PIM_MSG_ADDRESS_FAMILY_IPV4,
+       PIM_MSG_ADDRESS_FAMILY_IPV6,
+};
+
+/*
+ * Network Order pim_msg_hdr
+ */
+struct pim_msg_header {
+       uint8_t type : 4;
+       uint8_t ver : 4;
+       uint8_t reserved;
+       uint16_t checksum;
+} __attribute__((packed));
+
+struct pim_encoded_ipv4_unicast {
+       uint8_t family;
+       uint8_t reserved;
+       struct in_addr addr;
+} __attribute__((packed));
+
+struct pim_encoded_group_ipv4 {
+       uint8_t ne;
+       uint8_t family;
+       uint8_t reserved;
+       uint8_t mask;
+       struct in_addr addr;
+} __attribute__((packed));
+
+struct pim_encoded_source_ipv4 {
+       uint8_t ne;
+       uint8_t family;
+       uint8_t bits;
+       uint8_t mask;
+       struct in_addr addr;
+} __attribute__((packed));
+
+struct pim_jp_groups {
+       struct pim_encoded_group_ipv4 g;
+       uint16_t joins;
+       uint16_t prunes;
+       struct pim_encoded_source_ipv4 s[1];
+} __attribute__((packed));
+
+struct pim_jp {
+       struct pim_msg_header header;
+       struct pim_encoded_ipv4_unicast addr;
+       uint8_t reserved;
+       uint8_t num_groups;
+       uint16_t holdtime;
+       struct pim_jp_groups groups[1];
+} __attribute__((packed));
 
-void pim_msg_build_header(uint8_t *pim_msg, int pim_msg_size,
+void pim_msg_build_header(uint8_t *pim_msg, size_t pim_msg_size,
                          uint8_t pim_msg_type);
-uint8_t *pim_msg_addr_encode_ipv4_ucast(uint8_t *buf,
-                                       int buf_size,
-                                       struct in_addr addr);
-uint8_t *pim_msg_addr_encode_ipv4_group(uint8_t *buf,
-                                       int buf_size,
-                                       struct in_addr addr);
+uint8_t *pim_msg_addr_encode_ipv4_ucast(uint8_t *buf, struct in_addr addr);
+uint8_t *pim_msg_addr_encode_ipv4_group(uint8_t *buf, struct in_addr addr);
 
 #define PIM_ENCODE_SPARSE_BIT      0x04
 #define PIM_ENCODE_WC_BIT          0x02
 #define PIM_ENCODE_RPT_BIT         0x01
-uint8_t *pim_msg_addr_encode_ipv4_source(uint8_t *buf,
-                                        int buf_size,
-                                        struct in_addr addr,
+uint8_t *pim_msg_addr_encode_ipv4_source(uint8_t *buf, struct in_addr addr,
                                         uint8_t bits);
 
 
-int pim_msg_join_prune_encode (uint8_t *buf, int buf_size, int is_join,
-                              struct pim_upstream *up,
-                              struct in_addr upstream, int holdtime);
+size_t pim_msg_get_jp_group_size(struct list *sources);
+size_t pim_msg_build_jp_groups(struct pim_jp_groups *grp,
+                              struct pim_jp_agg_group *sgs, size_t size);
 #endif /* PIM_MSG_H */