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dhcp: Add hook for appending extra client's request options

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Co-Authored-By: Liu Han <liuhan@espressif.com> (espressif/esp-lwip@ae7edc2a)
Ref IDF-4817
This commit is contained in:
David Cermak
2022-03-29 16:09:26 +02:00
parent 632ac61f95
commit f978e87f3c
1 changed files with 8 additions and 0 deletions
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src/core/ipv4/dhcp.c
+8
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@@ -92,6 +92,13 @@
#define LWIP_HOOK_DHCP_PARSE_OPTION(netif, dhcp, state, msg, msg_type, option, len, pbuf, offset) do { LWIP_UNUSED_ARG(msg); } while(0) #define LWIP_HOOK_DHCP_PARSE_OPTION(netif, dhcp, state, msg, msg_type, option, len, pbuf, offset) do { LWIP_UNUSED_ARG(msg); } while(0)
#endif #endif
/** LWIP_HOOK_DHCP_EXTRA_REQUEST_OPTIONS: Additional options added to the list of options
* that the client requests from the servers (opt 55: DHCP_OPTION_PARAMETER_REQUEST_LIST)
*/
#ifndef LWIP_HOOK_DHCP_EXTRA_REQUEST_OPTIONS
#define LWIP_HOOK_DHCP_EXTRA_REQUEST_OPTIONS
#endif
#ifndef DHCP_DEFINE_CUSTOM_TIMEOUTS #ifndef DHCP_DEFINE_CUSTOM_TIMEOUTS
static inline u32_t timeout_from_offered(u32_t lease, u32_t min, u32_t max) static inline u32_t timeout_from_offered(u32_t lease, u32_t min, u32_t max)
{ {
@@ -197,6 +204,7 @@ static u8_t dhcp_discover_request_options[] = {
#if LWIP_DHCP_GET_NTP_SRV #if LWIP_DHCP_GET_NTP_SRV
, DHCP_OPTION_NTP , DHCP_OPTION_NTP
#endif /* LWIP_DHCP_GET_NTP_SRV */ #endif /* LWIP_DHCP_GET_NTP_SRV */
LWIP_HOOK_DHCP_EXTRA_REQUEST_OPTIONS
}; };
#ifdef DHCP_GLOBAL_XID #ifdef DHCP_GLOBAL_XID