proxmox-mirrors/mirror_frr
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_frr synced 2025-08-07 17:18:56 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

pim6d: Abstract api to get src and dst from ip hdr

Browse Source 
IPv4 uses "struct ip" and IPv6 uses "struct ip6_hdr" as
headers. Get the src and dst in pim_sgaddr.
Added api pim_sgaddr_from_iphdr to do so.

Signed-off-by: Mobashshera Rasool <mrasool@vmwaer.com>
This commit is contained in:
Mobashshera Rasool 2022-03-01 23:10:39 -08:00
parent 5aad2b6a82
commit d1fd950aa0
1 changed files with 27 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
pimd/pim_msg.h
View File

@ -21,6 +21,9 @@
#define PIM_MSG_H #define PIM_MSG_H
#include <netinet/in.h> #include <netinet/in.h>
#if PIM_IPV == 6
#include <netinet/ip6.h>
#endif
#include "pim_jp_agg.h" #include "pim_jp_agg.h"
@ -181,6 +184,30 @@ struct pim_jp {
struct pim_jp_groups groups[1]; struct pim_jp_groups groups[1];
} __attribute__((packed)); } __attribute__((packed));
#if PIM_IPV == 4
static inline pim_sgaddr pim_sgaddr_from_iphdr(const void *iphdr)
{
const struct ip *ipv4_hdr = iphdr;
pim_sgaddr sg;
sg.src = ipv4_hdr->ip_src;
sg.grp = ipv4_hdr->ip_dst;
return sg;
}
#else
static inline pim_sgaddr pim_sgaddr_from_iphdr(const void *iphdr)
{
const struct ip6_hdr *ipv6_hdr = iphdr;
pim_sgaddr sg;
sg.src = ipv6_hdr->ip6_src;
sg.grp = ipv6_hdr->ip6_dst;
return sg;
}
#endif
void pim_msg_build_header(uint8_t *pim_msg, size_t pim_msg_size, void pim_msg_build_header(uint8_t *pim_msg, size_t pim_msg_size,
uint8_t pim_msg_type, bool no_fwd); uint8_t pim_msg_type, bool no_fwd);
uint8_t *pim_msg_addr_encode_ipv4_ucast(uint8_t *buf, struct in_addr addr); uint8_t *pim_msg_addr_encode_ipv4_ucast(uint8_t *buf, struct in_addr addr);