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-rw-r--r--src/plugins/lacp/selection.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/plugins/lacp/selection.c b/src/plugins/lacp/selection.c
new file mode 100644
index 00000000000..898b6a95023
--- /dev/null
+++ b/src/plugins/lacp/selection.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include <vnet/bonding/node.h>
+#include <lacp/node.h>
+
+static void
+lacp_set_port_selected (vlib_main_t * vm, slave_if_t * sif)
+{
+ /* Handle loopback port */
+ if (!memcmp (sif->partner.system, sif->actor.system, 6) &&
+ (sif->partner.key == sif->actor.key))
+ {
+ sif->loopback_port = 1;
+ sif->actor.state &= ~LACP_STATE_AGGREGATION;
+ }
+ sif->selected = LACP_PORT_SELECTED;
+
+ switch (sif->mux_state)
+ {
+ case LACP_MUX_STATE_DETACHED:
+ break;
+ case LACP_MUX_STATE_WAITING:
+ if (!sif->ready)
+ return;
+ break;
+ case LACP_MUX_STATE_ATTACHED:
+ if (!(sif->partner.state & LACP_STATE_SYNCHRONIZATION))
+ return;
+ break;
+ case LACP_MUX_STATE_COLLECTING_DISTRIBUTING:
+ break;
+ default:
+ break;
+ }
+ lacp_machine_dispatch (&lacp_mux_machine, vm, sif, LACP_MUX_EVENT_SELECTED,
+ &sif->mux_state);
+}
+
+void
+lacp_selection_logic (vlib_main_t * vm, slave_if_t * sif)
+{
+ slave_if_t *sif2;
+ bond_if_t *bif;
+ u32 *sw_if_index;
+
+ bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
+ vec_foreach (sw_if_index, bif->slaves)
+ {
+ sif2 = bond_get_slave_by_sw_if_index (*sw_if_index);
+ if (sif2 && (sif2->actor.state & LACP_STATE_SYNCHRONIZATION) &&
+ (sif2->ready_n == 0))
+ goto out;
+ }
+
+ vec_foreach (sw_if_index, bif->slaves)
+ {
+ sif2 = bond_get_slave_by_sw_if_index (*sw_if_index);
+ if (sif2)
+ {
+ sif2->ready = 1;
+ if (sif2->selected == LACP_PORT_SELECTED)
+ lacp_machine_dispatch (&lacp_mux_machine, vm, sif2,
+ LACP_MUX_EVENT_READY, &sif2->mux_state);
+ }
+ }
+out:
+ lacp_set_port_selected (vm, sif);
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */