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PPP: restore PPPoE devices without Ethernet ARP support, i.e. PPPoE only devices

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Ethernet support is required for PPPoE but Ethernet support is only set
by default in opt.h if ARP is enabled, which is wrong because the right
condition is ARP and/or PPPoE, unfortunately PPPOE_SUPPORT can't be used
in opt.h because it is not defined if ppp_opts.h is not included before
opt.h in user code.

Fixup the LWIP_ETHERNET configuration value in ppp_opts.h in order to
force Ethernet support if PPPoE is enabled.

Fixes: 3ad2ad2329 ("Remove reference to PPPOE_SUPPORT in opt.h - leads
    to compile errors because it has no default definition (only in
    ppp_opts.h)"
This commit is contained in:
Sylvain Rochet 2016-07-21 13:19:04 +02:00
parent 9cc3fb2e63
commit d43c092f17
1 changed files with 5 additions and 0 deletions
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5
src/include/netif/ppp/ppp_opts.h
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@ -43,6 +43,11 @@
#ifndef PPPOE_SUPPORT
#define PPPOE_SUPPORT 0
#endif
#if PPPOE_SUPPORT
/* PPPoE requires Ethernet support */
#undef LWIP_ETHERNET
#define LWIP_ETHERNET 1
#endif /* PPPOE_SUPPORT */
/**
* PPPOL2TP_SUPPORT==1: Enable PPP Over L2TP