alex/esp-idf
alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2024-09-20 00:36:01 -04:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

add dhcp custom values

Browse Source
This commit is contained in:
David Cermak 2022-03-23 20:24:50 +01:00
parent 356bc603c4
commit b6eb9002a8
1 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
components/lwip/port/esp32/include/lwipopts.h
View File

@ -334,6 +334,30 @@
*/
#define ESP_DHCP_DISABLE_VENDOR_CLASS_IDENTIFIER CONFIG_LWIP_DHCP_DISABLE_VENDOR_CLASS_ID
#define DHCP_DEFINE_CUSTOM_TIMEOUTS 1
#define DHCP_COARSE_TIMER_SECS (1)
#define DHCP_NEXT_TIMEOUT_THRESHOLD (3)
/* Since for embedded devices it's not that hard to miss a discover packet, so lower
* the discover retry backoff time from (2,4,8,16,32,60,60)s to (500m,1,2,4,8,15,15)s.
*/
#define DHCP_REQUEST_TIMEOUT_SEQUENCE(tries) (( (tries) < 6 ? 1 << (tries) : 60) * 250)
static inline uint32_t timeout_from_offered(uint32_t lease, uint32_t min)
{
uint32_t timeout = lease;
if (timeout == 0) {
timeout = min;
}
return timeout;
}
#define DHCP_CALC_TIMEOUT_FROM_OFFERED_T0_LEASE(dhcp) \
timeout_from_offered((dhcp)->offered_t0_lease, 120)
#define DHCP_CALC_TIMEOUT_FROM_OFFERED_T1_RENEW(dhcp) \
timeout_from_offered((dhcp)->offered_t1_renew, (dhcp)->t0_timeout>>1 /* 50% */ )
#define DHCP_CALC_TIMEOUT_FROM_OFFERED_T2_REBIND(dhcp) \
timeout_from_offered((dhcp)->offered_t2_rebind, ((dhcp)->t0_timeout/8)*7 /* 87.5% */ )
/*
------------------------------------
---------- AUTOIP options ----------