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u-boot/contrib/addons/dhcp_extra_opts
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Tom Rini f3f86fd1fe Squashed 'lib/lwip/lwip/' content from commit 0a0452b2c39b 
git-subtree-dir: lib/lwip/lwip
git-subtree-split: 0a0452b2c39bdd91e252aef045c115f88f6ca773
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dhcp_extra_opts.c
Squashed 'lib/lwip/lwip/' content from commit 0a0452b2c39b
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dhcp_extra_opts.h
Squashed 'lib/lwip/lwip/' content from commit 0a0452b2c39b
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README
Squashed 'lib/lwip/lwip/' content from commit 0a0452b2c39b
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README 

A simple example of using LWIP_HOOK_DHCP_PARSE/APPEND_OPTION hooks to implement:
* DHCP_OPTION_MTU (option 26) to update the netif's MTU
* DHCP_OPTION_CLIENT_ID (option 61) to advertize client's HW id of LWIP_IANA_HWTYPE_ETHERNET type

Please follow the instructions in dhcp_extra_opts.h to add the hooks, definitions in lwipopts.h and enabling the extra options.