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Diffstat (limited to 'src/vnet/mfib/mfib_itf.c')
-rw-r--r--src/vnet/mfib/mfib_itf.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/vnet/mfib/mfib_itf.c b/src/vnet/mfib/mfib_itf.c
index 33ef98764e2..decf7650c94 100644
--- a/src/vnet/mfib/mfib_itf.c
+++ b/src/vnet/mfib/mfib_itf.c
@@ -109,6 +109,79 @@ mfib_itf_hash_flush (mfib_itf_t *mfi)
};
}
+static void
+mfib_itf_prefix4_to_mac (const mfib_prefix_t *pfx,
+ mac_address_t *mac)
+{
+ mac->bytes[0] = 0x01;
+ mac->bytes[1] = 0x0;
+ mac->bytes[2] = 0x5e;
+ mac->bytes[3] = pfx->fp_grp_addr.ip4.as_u8[1] & 0x7f;
+ mac->bytes[4] = pfx->fp_grp_addr.ip4.as_u8[2];
+ mac->bytes[5] = pfx->fp_grp_addr.ip4.as_u8[3];
+}
+
+static void
+mfib_itf_prefix6_to_mac (const mfib_prefix_t *pfx,
+ mac_address_t *mac)
+{
+ mac->bytes[0] = 0x33;
+ mac->bytes[1] = 0x33;
+ mac->bytes[2] = pfx->fp_grp_addr.ip6.as_u8[12];
+ mac->bytes[3] = pfx->fp_grp_addr.ip6.as_u8[13];
+ mac->bytes[4] = pfx->fp_grp_addr.ip6.as_u8[14];
+ mac->bytes[5] = pfx->fp_grp_addr.ip6.as_u8[15];
+}
+
+static void
+mfib_itf_prefix_to_mac (const mfib_prefix_t *pfx,
+ mac_address_t *mac)
+{
+ switch (pfx->fp_proto)
+ {
+ case FIB_PROTOCOL_IP4:
+ mfib_itf_prefix4_to_mac(pfx, mac);
+ break;
+ case FIB_PROTOCOL_IP6:
+ mfib_itf_prefix6_to_mac(pfx, mac);
+ break;
+ case FIB_PROTOCOL_MPLS:
+ break;
+ }
+}
+
+static void
+mfib_itf_mac_add_del (mfib_itf_t *itf,
+ const mfib_prefix_t *pfx,
+ int add)
+{
+ vnet_sw_interface_t *si;
+ vnet_main_t *vnm;
+ mac_address_t mac;
+
+ vnm = vnet_get_main();
+ mfib_itf_prefix_to_mac(pfx, &mac);
+
+ si = vnet_get_sw_interface(vnm, itf->mfi_sw_if_index);
+ vnet_hw_interface_add_del_mac_address (vnet_get_main(),
+ si->hw_if_index,
+ mac.bytes, add);
+}
+
+void
+mfib_itf_mac_add (mfib_itf_t *itf,
+ const mfib_prefix_t *pfx)
+{
+ mfib_itf_mac_add_del(itf, pfx, 1);
+}
+
+void
+mfib_itf_mac_del (mfib_itf_t *itf,
+ const mfib_prefix_t *pfx)
+{
+ mfib_itf_mac_add_del(itf, pfx, 0);
+}
+
void
mfib_itf_delete (mfib_itf_t *mfi)
{