| /****************************************************************************** |
| * |
| * <:copyright-BRCM:2016:DUAL/GPL:standard |
| * |
| * Copyright (c) 2016 Broadcom |
| * All Rights Reserved |
| * |
| * Unless you and Broadcom execute a separate written software license |
| * agreement governing use of this software, this software is licensed |
| * to you under the terms of the GNU General Public License version 2 |
| * (the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php, |
| * with the following added to such license: |
| * |
| * As a special exception, the copyright holders of this software give |
| * you permission to link this software with independent modules, and |
| * to copy and distribute the resulting executable under terms of your |
| * choice, provided that you also meet, for each linked independent |
| * module, the terms and conditions of the license of that module. |
| * An independent module is a module which is not derived from this |
| * software. The special exception does not apply to any modifications |
| * of the software. |
| * |
| * Not withstanding the above, under no circumstances may you combine |
| * this software in any way with any other Broadcom software provided |
| * under a license other than the GPL, without Broadcom's express prior |
| * written consent. |
| * |
| * :> |
| * |
| *****************************************************************************/ |
| |
| /** |
| * @file bal_switch_flow.c |
| * @brief BAL Switch util functions that handle flow requests |
| * @addtogroup sw_util |
| */ |
| |
| /*@{*/ |
| #include <bal_common.h> |
| #include <bcm_dev_log.h> |
| #include <bal_msg.h> |
| #include "bal_switch_flow.h" |
| #include "flow_fsm.h" |
| #include "bcmos_errno.h" |
| #include "bal_switch_util.h" |
| |
| #ifndef TEST_SW_UTIL_LOOPBACK |
| #include <bcm/types.h> |
| #include <sal/core/libc.h> |
| #ifndef sal_memset |
| #define sal_memset memset |
| #endif |
| #include <bcm/port.h> |
| #include <bcm/vlan.h> |
| #include <bcm/field.h> |
| #include <bcm/error.h> |
| #include <sal/core/libc.h> |
| |
| #include "bal_switch_acc_term.h" |
| #include "esw/bal_esw_flow.h" |
| #include "dpp/bal_dpp_flow.h" |
| #include "dpp/bal_dpp_vswitch.h" |
| |
| #endif /* #ifndef TEST_SW_UTIL_LOOPBACK */ |
| |
| /* A golbal link list to keep track of flows in the switch */ |
| TAILQ_HEAD(bal_sw_flow_list_head, bal_sw_flow) g_swutil_flow_list; |
| |
| static void sw_util_flow_dump_classifier(bcmbal_flow_cfg *p_flow) |
| { |
| char dst_ip_str[16]; |
| |
| bcmos_inet_ntoa(&p_flow->data.classifier.dst_ip, dst_ip_str); |
| |
| /* Do not use normal BCM_LOG() (but BCM_LOG_CALLER_FMT()), as IP address is a stack variable. */ |
| BCM_LOG_CALLER_FMT(DEBUG, log_id_sw_util, |
| " classifier - otpid=0x%x itpid=0x%x ovid=0x%x ivid=0x%x opcp=0x%x, ipcp=0x%x " |
| "ether_type=0x%x dst_mac=%02x:%02x:%02x:%02x:%02x:%02x ip_proto=0x%x dst_ip=%s src_port=%u dst_port=%u attr_mask=0x%x\n", |
| p_flow->data.classifier.o_tpid, p_flow->data.classifier.i_tpid, |
| p_flow->data.classifier.o_vid, p_flow->data.classifier.i_vid, |
| p_flow->data.classifier.o_pbits, |
| p_flow->data.classifier.i_pbits, |
| p_flow->data.classifier.ether_type, |
| p_flow->data.classifier.dst_mac.u8[0], p_flow->data.classifier.dst_mac.u8[1], p_flow->data.classifier.dst_mac.u8[2], |
| p_flow->data.classifier.dst_mac.u8[3], p_flow->data.classifier.dst_mac.u8[4], p_flow->data.classifier.dst_mac.u8[5], |
| p_flow->data.classifier.ip_proto, |
| dst_ip_str, |
| p_flow->data.classifier.src_port, |
| p_flow->data.classifier.dst_port, |
| (unsigned int)p_flow->data.classifier.presence_mask); |
| } |
| |
| static void sw_util_flow_dump_sla(bcmbal_flow_cfg *p_flow) |
| { |
| BCM_LOG(DEBUG, log_id_sw_util, " sla - min_rate=%u max_rate=%u attr_mask=0x%x\n", |
| p_flow->data.sla.min_rate, |
| p_flow->data.sla.max_rate, |
| (unsigned int)p_flow->data.sla.presence_mask); |
| } |
| |
| #define OUTER_VLAN_TAG_REQ_BITMASK (BCMBAL_ACTION_CMD_ID_REMOVE_OUTER_TAG | \ |
| BCMBAL_ACTION_CMD_ID_XLATE_OUTER_TAG | \ |
| BCMBAL_ACTION_CMD_ID_XLATE_TWO_TAGS | \ |
| BCMBAL_ACTION_CMD_ID_REMOVE_TWO_TAGS | \ |
| BCMBAL_ACTION_CMD_ID_REMARK_PBITS | \ |
| BCMBAL_ACTION_CMD_ID_COPY_PBITS | \ |
| BCMBAL_ACTION_CMD_ID_REVERSE_COPY_PBITS | \ |
| BCMBAL_ACTION_CMD_ID_DSCP_TO_PBITS) |
| |
| #define NOT_WORKING_ACTION_BITMASK (BCMBAL_ACTION_CMD_ID_ADD_TWO_TAGS | \ |
| BCMBAL_ACTION_CMD_ID_REMOVE_TWO_TAGS | \ |
| BCMBAL_ACTION_CMD_ID_XLATE_TWO_TAGS | \ |
| BCMBAL_ACTION_CMD_ID_DISCARD_DS_BCAST | \ |
| BCMBAL_ACTION_CMD_ID_DISCARD_DS_UNKNOWN | \ |
| BCMBAL_ACTION_CMD_ID_COPY_PBITS | \ |
| BCMBAL_ACTION_CMD_ID_REVERSE_COPY_PBITS | \ |
| BCMBAL_ACTION_CMD_ID_DSCP_TO_PBITS) |
| |
| /** |
| * @brief The flow check function validate the flow parameters from the core |
| * |
| * @param p_msg A pointer to the flow object to validate |
| * @return error code |
| */ |
| bcmos_errno sw_util_flow_info_validate(void *p_msg) |
| { |
| bcmbal_flow_cfg *p_flow = (bcmbal_flow_cfg *)p_msg; |
| bcmos_errno ret = BCM_ERR_OK; |
| |
| if (p_flow == NULL) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, |
| " No flow specified during validation\n" ); |
| return BCM_ERR_PARM; |
| } |
| else |
| { |
| BCM_LOG(INFO, log_id_sw_util, |
| " Got a flow request - flow_id=%d sub_port=%d svc_id=%d, attr_mask=0x%x\n", |
| p_flow->key.flow_id, p_flow->data.access_int_id, |
| p_flow->data.svc_port_id, (unsigned int)p_flow->hdr.hdr.presence_mask); |
| |
| sw_util_flow_dump_classifier(p_flow); |
| if (p_flow->key.flow_type == BCMBAL_FLOW_TYPE_DOWNSTREAM) |
| sw_util_flow_dump_sla(p_flow); |
| } |
| |
| /* validate the NNI range */ |
| if((BCMOS_TRUE == BCMBAL_CFG_PROP_IS_SET(p_flow, flow, network_int_id)) && |
| (BCMOS_FALSE == bcm_topo_nni_is_valid(p_flow->data.network_int_id )) ) |
| { |
| uint32_t max_nni_ports = 0; |
| |
| #ifndef TEST_SW_UTIL_LOOPBACK |
| bcm_topo_dev_get_max_nni(bal_bcm_net_inf_dev_get(p_flow->data.network_int_id), &max_nni_ports); |
| #else |
| bcm_topo_dev_get_max_nni(0, &max_nni_ports); |
| #endif |
| BCM_LOG(ERROR, log_id_sw_util, |
| " Request network interface %d is out of max range %d\n",p_flow->data.network_int_id, max_nni_ports ); |
| return BCM_ERR_PARM; |
| } |
| |
| /* return BCM_ERR_NOT_SUPPORTED for actions that has not yet implemented */ |
| if((BCMOS_TRUE == BCMBAL_CFG_PROP_IS_SET(p_flow, flow, action)) && |
| (p_flow->data.action.cmds_bitmask & NOT_WORKING_ACTION_BITMASK)) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, |
| " Request Action Command 0x%x not supported yet\n",p_flow->data.action.cmds_bitmask ); |
| return BCM_ERR_NOT_SUPPORTED; |
| } |
| |
| if(BCMOS_FALSE == BCMBAL_CFG_PROP_IS_SET(p_flow, flow, classifier)) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, |
| " a classifier must be specified in a flow\n" ); |
| ret = BCM_ERR_PARM; |
| } |
| else |
| { |
| /* ING SDK allows priority range from 0x7fffffff to 0 */ |
| /* Need to check the configuration range if unit32_t is used for the attribute */ |
| |
| /* An outer vid is required in the classifier for all actions that operate on the outer vlan tag */ |
| if(BCMOS_FALSE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, o_vid) && |
| ((BCMOS_TRUE == BCMBAL_CFG_PROP_IS_SET(p_flow, flow, action)) && |
| (p_flow->data.action.cmds_bitmask & OUTER_VLAN_TAG_REQ_BITMASK))) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, |
| " o_vid must be specified when actions requiring an outer vlan tag is specified\n" ); |
| ret = BCM_ERR_PARM; |
| } |
| |
| /*An outer vid must be specified when an inner vid is specified */ |
| if((BCMOS_FALSE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, o_vid)) && |
| (BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, i_vid))) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, |
| " o_vid must be specified when i_vid is specified\n" ); |
| ret = BCM_ERR_PARM; |
| } |
| |
| /* Check that user has specified pbits when the action is pbit remarking */ |
| if((BCMOS_TRUE == BCMBAL_CFG_PROP_IS_SET(p_flow, flow, action)) && |
| (p_flow->data.action.cmds_bitmask & BCMBAL_ACTION_CMD_ID_REMARK_PBITS) ) |
| { |
| if((BCMOS_FALSE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, o_vid)) || |
| (BCMOS_FALSE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.action, action, o_pbits)) ) |
| { |
| |
| BCM_LOG(ERROR, log_id_sw_util, |
| " o_vid in classifier and o_pibts in action must be specified when outer pbit remarking is specified\n" ); |
| ret = BCM_ERR_PARM; |
| } |
| } |
| |
| /* Check that the user has specified a valid packet tag type given the o_vid and i_vid choices (if any)*/ |
| if(((BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, o_vid)) || |
| (BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, i_vid)))) |
| { |
| if((BCMOS_FALSE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, pkt_tag_type)) || |
| ((BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, pkt_tag_type)) && |
| (BCMBAL_PKT_TAG_TYPE_UNTAGGED == p_flow->data.classifier.pkt_tag_type))) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, |
| " pkt_tag_type must be either SINGLE or DOUBLE tagged when o_vid or i_vid are specified\n" ); |
| ret = BCM_ERR_PARM; |
| } |
| } |
| else |
| { |
| /* If the pkt_tag_type is not specified OR the pkt_tag_type is not UNTAGGED (and it's not destined |
| * to the host CPU), then it's an error |
| */ |
| if(!(BCMOS_TRUE == BCMBAL_CFG_PROP_IS_SET(p_flow, flow, action) && |
| (p_flow->data.action.cmds_bitmask & BCMBAL_ACTION_CMD_ID_TRAP_TO_HOST))) |
| { |
| if(BCMOS_FALSE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, pkt_tag_type) || |
| (!(BCMBAL_PKT_TAG_TYPE_UNTAGGED == p_flow->data.classifier.pkt_tag_type))) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, |
| " pkt_tag_type must be UNTAGGED when neither o_vid nor i_vid are specified\n" ); |
| ret = BCM_ERR_PARM; |
| } |
| } |
| } |
| |
| /* Now test the multicast flow cases */ |
| if (BCMOS_TRUE == (BCMBAL_FLOW_TYPE_MULTICAST == p_flow->key.flow_type)) |
| { |
| if(BCMOS_TRUE == BCMBAL_CFG_PROP_IS_SET(p_flow, flow, action) && |
| (p_flow->data.action.cmds_bitmask & BCMBAL_ACTION_CMD_ID_TRAP_TO_HOST)) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, " A multicast flow must not terminate in the host\n"); |
| ret = BCM_ERR_PARM; |
| } |
| |
| /* A Multicast flow must have a group_id that is valid (i.e. an active group) */ |
| if(BCMOS_FALSE == BCMBAL_CFG_PROP_IS_SET(p_flow, flow, group_id)) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, " A multicast flow must have a specified group_id\n"); |
| ret = BCM_ERR_PARM; |
| } |
| else |
| { |
| /* Now check that the referenced group is valid */ |
| bcmbal_group_key group_key = { .group_id = p_flow->data.group_id }; |
| bcmbal_group_owner group_owner; |
| |
| /* make sure the group owner is multicast */ |
| if(BCM_ERR_OK == group_owner_get(group_key, &group_owner)) |
| { |
| if ( BCMBAL_GROUP_OWNER_MULTICAST != group_owner) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, |
| " A multicast flow must have group owner of type Multicast, group_id:%d\n", |
| group_key.group_id); |
| ret = BCM_ERR_PARM; |
| } |
| } |
| else |
| { |
| BCM_LOG(ERROR, log_id_sw_util, |
| " A multicast flow must have an valid group_id (Active group_id:%d not found)\n", |
| group_key.group_id); |
| ret = BCM_ERR_PARM; |
| } |
| } |
| } |
| /* check N:1 service Group Owner to be UNICAST */ |
| if(BCMOS_TRUE == BCMBAL_CFG_PROP_IS_SET(p_flow, flow, group_id) && |
| (BCMBAL_FLOW_TYPE_DOWNSTREAM == p_flow->key.flow_type || |
| BCMBAL_FLOW_TYPE_UPSTREAM == p_flow->key.flow_type ) |
| ) |
| { |
| /* Now check that the referenced group is valid */ |
| bcmbal_group_key group_key = { .group_id = p_flow->data.group_id }; |
| bcmbal_group_owner group_owner; |
| |
| /* make sure the group owner is unicast */ |
| if(BCM_ERR_OK == group_owner_get(group_key, &group_owner)) |
| { |
| if ( BCMBAL_GROUP_OWNER_UNICAST != group_owner) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, |
| " A N:1 flow must have group owner of type unicast, group_id:%d\n", |
| group_key.group_id); |
| ret = BCM_ERR_PARM; |
| } |
| } |
| else |
| { |
| BCM_LOG(ERROR, log_id_sw_util, |
| " A N:1 flow must have an valid group_id (Active group_id:%d not found)\n", |
| group_key.group_id); |
| ret = BCM_ERR_PARM; |
| } |
| } |
| } |
| |
| return ret; |
| } |
| |
| /* Below local functions are used for real logic only */ |
| #ifndef TEST_SW_UTIL_LOOPBACK |
| |
| /** |
| * @brief The flow add function program the switch to forward packets that have |
| * specified attributes to the designated ports. |
| * The packets is modified before egress |
| * On the downstream, an access id (outer vlan tag) is added to the packets |
| * On the upstream, outer vlan tag (access id) is removed from the packets |
| * |
| * @param p_flow_inst A pointer to the flow instance being referenced |
| * @return error code |
| */ |
| static bcmos_errno bal_sw_util_flow_add(flow_inst *p_flow_inst) |
| { |
| bcmbal_flow_cfg *p_flow = &p_flow_inst->api_req_flow_info; |
| bcmos_errno ret = BCM_ERR_OK; |
| int unit; |
| uint32_t dev_type; |
| bcmbal_iwf_mode iwf_mode; |
| |
| BCM_LOG(INFO, log_id_sw_util, |
| " Got a flow request - flow_id=%d sub_port=%d svc_id=%d\n", |
| p_flow->key.flow_id, p_flow->data.access_int_id, p_flow->data.svc_port_id); |
| |
| unit = bal_bcm_pon_inf_dev_get(p_flow->data.access_int_id); |
| dev_type = bal_bcm_dev_type_get(unit); |
| iwf_mode = bal_bcm_iwf_mode_get(); |
| |
| /* call the flow add function based on device type */ |
| if (dev_type == BCM_DEVICE_KT2) |
| { |
| ret = bal_sw_util_esw_flow_add(iwf_mode, p_flow); |
| } |
| else if (dev_type == BCM_DEVICE_ARAD || dev_type == BCM_DEVICE_ARAD_PLUS || dev_type == BCM_DEVICE_QAX) |
| { |
| ret = bal_sw_util_dpp_flow_add(iwf_mode, p_flow); |
| } |
| else |
| { |
| BCM_LOG(ERROR, log_id_sw_util, " Unknown device type found on flow add: 0x%x\n", dev_type ); |
| ret = BCM_ERR_INTERNAL; |
| } |
| |
| BCM_LOG(INFO, log_id_sw_util, " Return flow add request with %d on device 0x%x\n", ret, dev_type ); |
| |
| return ret; |
| } |
| |
| /** |
| * @brief The flow remove function program switch to release resource that have |
| * been allocated during the flow add operation. |
| * |
| * @param p_flow_inst A pointer to the flow instance being referenced |
| * @return error code |
| */ |
| static bcmos_errno bal_sw_util_flow_remove(flow_inst *p_flow_inst) |
| { |
| bcmbal_flow_cfg *p_flow = &p_flow_inst->api_req_flow_info; |
| bcmos_errno ret = BCM_ERR_OK; |
| int unit; |
| uint32_t dev_type; |
| bcmbal_iwf_mode iwf_mode; |
| |
| BCM_LOG(INFO, log_id_sw_util, |
| " Got a flow remove request - flow_id=%d sub_port=%d svc_id=%d\n", |
| p_flow->key.flow_id, p_flow->data.access_int_id, p_flow->data.svc_port_id); |
| |
| unit = bal_bcm_pon_inf_dev_get(p_flow->data.access_int_id); |
| dev_type = bal_bcm_dev_type_get(unit); |
| iwf_mode = bal_bcm_iwf_mode_get(); |
| |
| /* call the flow add function based on device type */ |
| if (dev_type == BCM_DEVICE_KT2) |
| { |
| ret = bal_sw_util_esw_flow_remove(iwf_mode, p_flow); |
| } |
| else if (dev_type == BCM_DEVICE_ARAD || dev_type == BCM_DEVICE_ARAD_PLUS || dev_type == BCM_DEVICE_QAX) |
| { |
| ret = bal_sw_util_dpp_flow_remove(iwf_mode, p_flow); |
| } |
| else |
| { |
| BCM_LOG(ERROR, log_id_sw_util, " Unknown device type found on flow remove: 0x%x\n", dev_type ); |
| ret = BCM_ERR_INTERNAL; |
| } |
| |
| BCM_LOG(INFO, log_id_sw_util, " Return flow remove request with %d on device 0x%x\n", ret, dev_type ); |
| |
| return ret; |
| } |
| |
| /** |
| * @brief The flow list init function prepare a link list to keep track of flows in the switch util |
| * |
| * @return error code |
| */ |
| static bcmos_errno bal_sw_util_flow_list_init(void) |
| { |
| TAILQ_INIT(&g_swutil_flow_list); |
| return BCM_ERR_OK; |
| } |
| |
| /** |
| * @brief The flow list finish function release all resources allocated in the flow list |
| * |
| * @return error code |
| */ |
| static bcmos_errno bal_sw_util_flow_list_finish(void) |
| { |
| bal_sw_flow *current_entry, *p_temp_entry; |
| |
| /* Free all the entries in the list */ |
| TAILQ_FOREACH_SAFE(current_entry, |
| &g_swutil_flow_list, |
| flow_next, |
| p_temp_entry) |
| { |
| /* Remove it from the list */ |
| TAILQ_REMOVE(&g_swutil_flow_list, current_entry, flow_next); |
| |
| bcmos_free(current_entry); |
| } |
| return BCM_ERR_OK; |
| } |
| |
| /** |
| * @brief The flow list search function by flow id |
| * |
| * @param id Flow id that need to match the entry in the list |
| * @return pointer to an element in the list |
| */ |
| bal_sw_flow *bal_sw_util_flow_list_get_by_id(uint32_t id) |
| { |
| bal_sw_flow *p_entry, *p_temp; |
| TAILQ_FOREACH_SAFE(p_entry, &g_swutil_flow_list, flow_next, p_temp) |
| { |
| if( p_entry->id == id) |
| { |
| break; |
| } |
| } |
| /* if reach the end of the list, TAILQ_FOREACH_SAFE set the p_entry to NULL */ |
| return p_entry; |
| } |
| |
| /** |
| * @brief The flow list search function by flow id |
| * |
| * @param trap_code Trap id that need to match the entry in the list |
| * @return pointer to an element in the list |
| */ |
| bal_sw_flow *bal_sw_util_flow_list_get_by_trap_code(uint32_t trap_code) |
| { |
| bal_sw_flow *p_entry, *p_temp; |
| |
| if (trap_code == 0) |
| { |
| BCM_LOG(WARNING, log_id_sw_util, "Invalid trap code %d in Flow list search by trap code\n", trap_code); |
| return NULL; |
| } |
| TAILQ_FOREACH_SAFE(p_entry, &g_swutil_flow_list, flow_next, p_temp) |
| { |
| if( p_entry->trap_code == trap_code) |
| { |
| break; |
| } |
| } |
| /* if reach the end of the list, TAILQ_FOREACH_SAFE set the p_entry to NULL */ |
| return p_entry; |
| } |
| |
| /* |
| * @brief The flow list insert function |
| * |
| * @param entry the element to be added in the link list |
| * @return error code |
| */ |
| bcmos_errno bal_sw_util_flow_list_insert(bal_sw_flow entry) |
| { |
| bal_sw_flow *p_new_entry; |
| |
| p_new_entry = bcmos_calloc(sizeof(bal_sw_flow)); |
| if(NULL == p_new_entry) |
| { |
| BCM_LOG(ERROR, log_id_sw_util, "Flow list insert out of memory\n"); |
| return BCM_ERR_NOMEM; |
| } |
| *p_new_entry = entry; |
| TAILQ_INSERT_TAIL(&g_swutil_flow_list, p_new_entry, flow_next); |
| return BCM_ERR_OK; |
| } |
| |
| /* |
| * @brief The flow list remove function |
| * |
| * @param p_entry Pointer to the element in the link list result from one of the search functions |
| * @return error code |
| */ |
| bcmos_errno bal_sw_util_flow_list_remove(bal_sw_flow *p_entry) |
| { |
| TAILQ_REMOVE(&g_swutil_flow_list, p_entry, flow_next); |
| bcmos_free(p_entry); |
| return BCM_ERR_OK; |
| } |
| |
| |
| /* |
| * @brief down Stream Flow classifier check to see if an ACL rule is needed for classification |
| * |
| * In ING SDK, vswitch LIF is mostly used to classify VLAN and ingress port only. |
| * Any packet classification more than that requires an ACL rule to filter the |
| * traffics. This routine check if an ACL is needed. |
| * If only VLAN ids are classify, return FALSE, otherwise return TRUE |
| * |
| * @param p_flow Pointer to the flow object that contains the classifier |
| * @return TRUE or FALSE |
| */ |
| bcmos_bool bal_sw_util_flow_ds_acl_cls_chk(bcmbal_flow_cfg *p_flow) |
| { |
| if(BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, ether_type) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, ip_proto) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, src_port) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, dst_port) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, o_pbits) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, i_pbits) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, dst_mac) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, src_mac) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, src_ip) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, dst_ip) |
| ) |
| return BCMOS_TRUE; |
| else |
| return BCMOS_FALSE; |
| } |
| |
| /* |
| * @brief Up Stream Flow classifier check to see if an ACL rule is needed for classification |
| * |
| * In ING SDK, vswitch LIF is mostly used to classify VLAN and ingress port only. |
| * Any packet classification more than that requires an ACL rule to filter the |
| * traffics. This routine check if an ACL is needed. |
| * If only VLAN ids are classify, return FALSE, otherwise return TRUE |
| * |
| * @param p_flow Pointer to the flow object that contains the classifier |
| * @return TRUE or FALSE |
| */ |
| bcmos_bool bal_sw_util_flow_us_acl_cls_chk(bcmbal_flow_cfg *p_flow) |
| { |
| /* Up Stream Outer Pbits classification is done using PON LIF, no need to use ACL */ |
| if(BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, ether_type) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, ip_proto) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, src_port) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, dst_port) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, i_pbits) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, dst_mac) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, src_mac) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, src_ip) || |
| BCMOS_TRUE == BCMBAL_ATTRIBUTE_PROP_IS_SET(&p_flow->data.classifier, classifier, dst_ip) |
| ) |
| return BCMOS_TRUE; |
| else |
| return BCMOS_FALSE; |
| } |
| |
| static uint32_t g_flow_inited = 0; |
| |
| #endif /* #ifndef TEST_SW_UTIL_LOOPBACK */ |
| /** |
| * @brief SWITCH module: flow SET handler |
| * |
| * This routine is called by flow_fsm in the BAL core upon |
| * SET request for flow object. |
| * |
| * @param p_flow Pointer to flow instance |
| * @param opt_type Operation type on flow instance |
| * |
| * @return bcmos_errno |
| */ |
| bcmos_errno sw_util_flow_set(flow_inst *p_flow, bal_util_oper_flow opt_type) |
| { |
| bcmos_errno ret = BCM_ERR_OK; |
| |
| #ifndef TEST_SW_UTIL_LOOPBACK |
| bal_sw_util_vsi_list_init(); |
| if (opt_type == BAL_UTIL_OPER_FLOW_ADD) |
| { |
| if (g_flow_inited == 0) |
| { |
| /* initialized the internal flow link list */ |
| bal_sw_util_flow_list_init(); |
| /* call flow_init in switch device */ |
| bal_sw_util_dpp_flow_init(); |
| g_flow_inited = 1; |
| } |
| ret = bal_sw_util_flow_add(p_flow); |
| } |
| else if( BAL_UTIL_OPER_FLOW_REMOVE == opt_type ) |
| { |
| ret = bal_sw_util_flow_remove(p_flow); |
| } |
| else if( BAL_UTIL_OPER_FLOW_CLEAR == opt_type ) |
| { |
| ret = bal_sw_util_flow_remove(p_flow); |
| } |
| else |
| { |
| BCM_LOG(ERROR, log_id_sw_util, "Only ADD/REMOVE/CLEAR request is supported for FLOW object\n"); |
| return BCM_ERR_NOT_SUPPORTED; |
| } |
| #else |
| BCM_LOG(INFO, log_id_sw_util, "dummy flow %s SUCCESS\n", |
| ( BAL_UTIL_OPER_FLOW_ADD == opt_type ) ? "flow add" : "flow remove"); |
| #endif |
| |
| return ret; |
| } |
| |
| /** |
| * @brief SWITCH module: flow clean up function |
| * |
| * This routine is called by bal_switch_util() when the BAL core issue finish request |
| * |
| * @return bcmos_errno |
| */ |
| bcmos_errno sw_util_flow_finish() |
| { |
| bcmos_errno ret = BCM_ERR_OK; |
| |
| #ifndef TEST_SW_UTIL_LOOPBACK |
| if (g_flow_inited ) |
| { |
| /* release the internal flow link list */ |
| bal_sw_util_flow_list_finish(); |
| |
| g_flow_inited = 0; |
| } |
| #endif |
| return ret; |
| } |
| /*@}*/ |