2 * Copyright (c) 2017 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
17 #include <vlib/vlib.h>
18 #include <vlib/unix/unix.h>
19 #include <vnet/bonding/node.h>
20 #include <lacp/node.h>
23 lacp_set_port_selected (vlib_main_t *vm, bond_if_t *bif, member_if_t *mif)
28 /* Handle loopback port */
29 if (!memcmp (mif->partner.system, mif->actor.system, 6) &&
30 (mif->partner.key == mif->actor.key))
32 mif->loopback_port = 1;
33 mif->actor.state &= ~LACP_STATE_AGGREGATION;
34 mif->selected = LACP_PORT_UNSELECTED;
35 lacp_machine_dispatch (&lacp_mux_machine, vm, mif,
36 LACP_MUX_EVENT_UNSELECTED, &mif->mux_state);
37 return LACP_ERROR_LOOPBACK_PORT;
39 if (vec_len (bif->active_members))
41 p = *vec_elt_at_index (bif->active_members, 0);
42 mif2 = bond_get_member_by_sw_if_index (p);
43 if (mif2 && ((mif2->partner.key != mif->partner.key) ||
44 memcmp (mif2->partner.system, mif->partner.system, 6)))
46 mif->selected = LACP_PORT_UNSELECTED;
47 lacp_machine_dispatch (&lacp_mux_machine, vm, mif,
48 LACP_MUX_EVENT_UNSELECTED, &mif->mux_state);
49 return LACP_ERROR_BAD_KEY;
52 mif->selected = LACP_PORT_SELECTED;
54 switch (mif->mux_state)
56 case LACP_MUX_STATE_DETACHED:
58 case LACP_MUX_STATE_WAITING:
60 return LACP_ERROR_NONE;
62 case LACP_MUX_STATE_ATTACHED:
63 if (!(mif->partner.state & LACP_STATE_SYNCHRONIZATION))
64 return LACP_ERROR_NONE;
66 case LACP_MUX_STATE_COLLECTING_DISTRIBUTING:
71 return lacp_machine_dispatch (&lacp_mux_machine, vm, mif,
72 LACP_MUX_EVENT_SELECTED, &mif->mux_state);
76 lacp_selection_logic (vlib_main_t *vm, member_if_t *mif)
82 bif = bond_get_bond_if_by_dev_instance (mif->bif_dev_instance);
83 vec_foreach (sw_if_index, bif->members)
85 mif2 = bond_get_member_by_sw_if_index (*sw_if_index);
86 if (mif2 && (mif2->actor.state & LACP_STATE_SYNCHRONIZATION) &&
91 vec_foreach (sw_if_index, bif->members)
93 mif2 = bond_get_member_by_sw_if_index (*sw_if_index);
97 if (mif2->selected == LACP_PORT_SELECTED)
98 lacp_machine_dispatch (&lacp_mux_machine, vm, mif2,
99 LACP_MUX_EVENT_READY, &mif2->mux_state);
103 return lacp_set_port_selected (vm, bif, mif);
107 * fd.io coding-style-patch-verification: ON
110 * eval: (c-set-style "gnu")