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Use source address in get_nexthop() call

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Otherwise the nexthop returned might belong to a different route than
the one actually used with the current source address.
This commit is contained in:
Tobias Brunner
2012-09-21 18:16:25 +02:00
parent 662534657f
commit dad6d904ee
8 changed files with 19 additions and 12 deletions
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src/libhydra/kernel/kernel_interface.h
+4 -2
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@@ -282,7 +282,7 @@ struct kernel_interface_t {
* Does a route lookup to get the source address used to reach dest.
* The returned host is allocated and must be destroyed.
* An optional src address can be used to check if a route is available
* for given source to dest.
* for the given source to dest.
*
* @param dest target destination address
* @param src source address to check, or NULL
@@ -296,11 +296,13 @@ struct kernel_interface_t {
*
* Does a route lookup to get the next hop used to reach dest.
* The returned host is allocated and must be destroyed.
* An optional src address can be used to check if a route is available
* for the given source to dest.
*
* @param dest target destination address
* @return next hop address, NULL if unreachable
*/
host_t* (*get_nexthop)(kernel_interface_t *this, host_t *dest);
host_t* (*get_nexthop)(kernel_interface_t *this, host_t *dest, host_t *src);
/**
* Get the interface name of a local address.