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udhcp6: read_interface should save link-local ipv6 address

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Patch is based on work by tiggerswelt.net. They say:
"Using this patch it was no problem to acquire an IPv6-Address via DHCPv6
using ISC DHCPD6 on server-side."

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2017-03-27 22:10:15 +02:00
parent 8f3bf4f0d3
commit e09f5e3045
3 changed files with 71 additions and 5 deletions
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4
networking/udhcp/d6_common.h
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@@ -91,10 +91,14 @@ struct client6_data_t {
struct d6_option *ia_na;
char **env_ptr;
unsigned env_idx;
/* link-local IPv6 address */
struct in6_addr ll_ip6;
};
#define client6_data (*(struct client6_data_t*)(&bb_common_bufsiz1[COMMON_BUFSIZE - sizeof(struct client6_data_t)]))
int FAST_FUNC d6_read_interface(const char *interface, int *ifindex, struct in6_addr *nip6, uint8_t *mac);
int FAST_FUNC d6_listen_socket(int port, const char *inf);
int FAST_FUNC d6_recv_kernel_packet(