Shad Ansari | 2f7f9be | 2017-06-07 13:34:53 -0700 | [diff] [blame^] | 1 | /* |
| 2 | <:copyright-BRCM:2016:DUAL/GPL:standard |
| 3 | |
| 4 | Broadcom Proprietary and Confidential.(c) 2016 Broadcom |
| 5 | All Rights Reserved |
| 6 | |
| 7 | Unless you and Broadcom execute a separate written software license |
| 8 | agreement governing use of this software, this software is licensed |
| 9 | to you under the terms of the GNU General Public License version 2 |
| 10 | (the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php, |
| 11 | with the following added to such license: |
| 12 | |
| 13 | As a special exception, the copyright holders of this software give |
| 14 | you permission to link this software with independent modules, and |
| 15 | to copy and distribute the resulting executable under terms of your |
| 16 | choice, provided that you also meet, for each linked independent |
| 17 | module, the terms and conditions of the license of that module. |
| 18 | An independent module is a module which is not derived from this |
| 19 | software. The special exception does not apply to any modifications |
| 20 | of the software. |
| 21 | |
| 22 | Not withstanding the above, under no circumstances may you combine |
| 23 | this software in any way with any other Broadcom software provided |
| 24 | under a license other than the GPL, without Broadcom's express prior |
| 25 | written consent. |
| 26 | |
| 27 | :> |
| 28 | */ |
| 29 | |
| 30 | /* This file contains the pieces of the OAM negotiation state machine that are specific to DPoE OAM. */ |
| 31 | |
| 32 | #include "bcmolt_eon_private.h" |
| 33 | #include "../oam_common.h" |
| 34 | #include "dpoe.h" |
| 35 | |
| 36 | /* Org specific TLV to send to the ONU */ |
| 37 | static const bcmolt_epon_oam_organization_specific_info dpoe_tx_tlv = |
| 38 | { |
| 39 | .oui = BCMOLT_EPON_OAM_WELL_KNOWN_OUI_DPOE, |
| 40 | .u = |
| 41 | { |
| 42 | .dpoe = |
| 43 | { |
| 44 | .dpoe_info_tlv = |
| 45 | { |
| 46 | .type = BCMOLT_EPON_OAM_DPOE_INFO_TLV_TYPE_DPOE_OAM_SUPPORT, |
| 47 | .u = |
| 48 | { |
| 49 | .dpoe_oam_support = |
| 50 | { |
| 51 | .dpoe_oam_version = 0x11 |
| 52 | } |
| 53 | } |
| 54 | } |
| 55 | } |
| 56 | } |
| 57 | }; |
| 58 | |
| 59 | void dpoe_tx_add_tlv(eon_link_state *link_state, bcmolt_epon_oam_oam_pdu_content *oam) |
| 60 | { |
| 61 | if ((LOCAL_EVAL_REMOTE_EVAL == link_state->oam_state) || |
| 62 | (LOCAL_STABLE_REMOTE_EVAL == link_state->oam_state)) |
| 63 | { |
| 64 | oam->u.info.tlvs[oam->u.info.tlvs_count].type = BCMOLT_EPON_OAM_INFO_TLV_TYPE_ORGANIZATION_SPECIFIC; |
| 65 | oam->u.info.tlvs[oam->u.info.tlvs_count].u.organization_specific.value = dpoe_tx_tlv; |
| 66 | oam->u.info.tlvs_count++; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | void dpoe_rx_tlv( |
| 71 | eon_link_state *link_state, |
| 72 | bcmolt_epon_oam_organization_specific_info *org_spec, |
| 73 | bcmos_errno *rc) |
| 74 | { |
| 75 | if (link_state->oam_state == LOCAL_STABLE_REMOTE_STABLE) |
| 76 | { |
| 77 | if (NULL != org_spec) |
| 78 | { |
| 79 | EON_LINK_LOG(INFO, &link_state->link_key, "Got unexpected organization specific TLV\n"); |
| 80 | *rc = BCM_ERR_ONU_ERR_RESP; |
| 81 | } |
| 82 | } |
| 83 | else |
| 84 | { |
| 85 | if ((NULL == org_spec) || |
| 86 | (BCMOLT_EPON_OAM_WELL_KNOWN_OUI_DPOE != org_spec->oui) || |
| 87 | (BCMOLT_EPON_OAM_DPOE_INFO_TLV_TYPE_DPOE_OAM_SUPPORT != org_spec->u.dpoe.dpoe_info_tlv.type)) |
| 88 | { |
| 89 | EON_LINK_LOG(INFO, &link_state->link_key, "Didn't get DPoE TLV\n"); |
| 90 | *rc = BCM_ERR_ONU_ERR_RESP; |
| 91 | } |
| 92 | else |
| 93 | { |
| 94 | switch (org_spec->u.dpoe.dpoe_info_tlv.u.dpoe_oam_support.dpoe_oam_version) |
| 95 | { |
| 96 | case 0x22: |
| 97 | case 0x21: |
| 98 | case 0x20: |
| 99 | case 0x11: /* DPoE v1.0 I05 and higher */ |
| 100 | break; |
| 101 | case 0x01: /* backwards compatibility, same as 0x10 */ |
| 102 | case 0x02: /* pre-DPoE OAM, no Certificate Authority support */ |
| 103 | case 0x03: /* pre-DPoE OAM, with Certificate Authority support */ |
| 104 | case 0x10: /* DPoE v1.0 I04 and lower */ |
| 105 | EON_LINK_LOG( |
| 106 | WARNING, &link_state->link_key, |
| 107 | "DPoE TLV contained old version: %u (some features may not work)\n", |
| 108 | org_spec->u.dpoe.dpoe_info_tlv.u.dpoe_oam_support.dpoe_oam_version); |
| 109 | break; |
| 110 | case 0x00: /* workaround for EASW-17839 */ |
| 111 | break; |
| 112 | default: |
| 113 | EON_LINK_LOG( |
| 114 | ERROR, &link_state->link_key, "DPoE TLV contained bad version: %u\n", |
| 115 | org_spec->u.dpoe.dpoe_info_tlv.u.dpoe_oam_support.dpoe_oam_version); |
| 116 | *rc = BCM_ERR_NOT_SUPPORTED; |
| 117 | break; |
| 118 | } |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | |