lwip: optimize the dhcp client

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1. modify the discover retry backoff time from (2,4,8,16,32,60,60)s to (500m,1,2,4,8,15,15)s.
2. add DHCP_DOES_ARP_CHECK to menuconfig for users to specify if do a ARP check on the offered address.
   If enable, one more second will be taken in obtaining IP address.
3. update wifi libs

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This commit is contained in:

qiyueixa

2017-01-22 20:32:39 +08:00

parent 6bc9cd39e9

commit 03e3b137bf

4 changed files with 19 additions and 2 deletions

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components/esp32/lib

Submodule components/esp32/lib updated: fc92f2e5bc...6e50eb85a0