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nd6: add LWIP_HOOK_ND6_GET_GW hook

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This commit is contained in:
David van Moolenbroek
2016-12-13 20:40:22 +00:00
committed by goldsimon
parent 74a5537e15
commit 7d119fd86b
2 changed files with 25 additions and 0 deletions
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16
src/include/lwip/opt.h
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@@ -2469,6 +2469,22 @@
#define LWIP_HOOK_IP6_ROUTE(src, dest)
#endif
/**
* LWIP_HOOK_ND6_GET_GW(netif, dest):
* - called from nd6_get_next_hop_entry() (IPv6)
* - netif: the netif used for sending
* - dest: the destination IPv6 address
* Returns the IPv6 address of the next hop to handle the specified destination
* IPv6 address. If NULL is returned, a NDP-discovered router is used instead.
* The returned address MUST be reachable on the specified netif!
* This function is meant to implement advanced IPv6 routing together with
* LWIP_HOOK_IP6_ROUTE(). The actual routing/gateway table implementation is
* not part of lwIP but can e.g. be hidden in the netif's state argument.
*/
#ifdef __DOXYGEN__
#define LWIP_HOOK_ND6_GET_GW(netif, dest)
#endif
/**
* LWIP_HOOK_VLAN_CHECK(netif, eth_hdr, vlan_hdr):
* - called from ethernet_input() if VLAN support is enabled