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ip4: routing: check peer for point to point interfaces

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gw netif field for point to point interfaces is the peer IP address.
Check if the destination is equals to the gw field of point to point
interfaces (broadcast flag is not set) when routing an IP packet.
This commit is contained in:
Sylvain Rochet 2015-09-13 20:00:45 +02:00 committed by sg
parent 715d8d3881
commit 8b2c73de4e
1 changed files with 5 additions and 0 deletions
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5
src/core/ipv4/ip4.c
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@ -177,6 +177,11 @@ ip4_route(const ip4_addr_t *dest)
/* return netif on which to forward IP packet */
return netif;
}
/* gateway matches on a non broadcast interface? (i.e. peer in a point to point interface) */
if ((netif->flags & NETIF_FLAG_BROADCAST) == 0 && ip4_addr_cmp(dest, netif_ip4_gw(netif))) {
/* return netif on which to forward IP packet */
return netif;
}
}
}