727 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			727 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| 
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| #include <net/genetlink.h>
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| 
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| #include "br_private.h"
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| #include "br_private_cfm.h"
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| 
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| static const struct nla_policy
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| br_cfm_mep_create_policy[IFLA_BRIDGE_CFM_MEP_CREATE_MAX + 1] = {
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| 	[IFLA_BRIDGE_CFM_MEP_CREATE_UNSPEC]	= { .type = NLA_REJECT },
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| 	[IFLA_BRIDGE_CFM_MEP_CREATE_INSTANCE]	= { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_MEP_CREATE_DOMAIN]	= { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_MEP_CREATE_DIRECTION]	= { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_MEP_CREATE_IFINDEX]	= { .type = NLA_U32 },
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| };
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| 
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| static const struct nla_policy
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| br_cfm_mep_delete_policy[IFLA_BRIDGE_CFM_MEP_DELETE_MAX + 1] = {
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| 	[IFLA_BRIDGE_CFM_MEP_DELETE_UNSPEC]	= { .type = NLA_REJECT },
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| 	[IFLA_BRIDGE_CFM_MEP_DELETE_INSTANCE]	= { .type = NLA_U32 },
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| };
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| 
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| static const struct nla_policy
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| br_cfm_mep_config_policy[IFLA_BRIDGE_CFM_MEP_CONFIG_MAX + 1] = {
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| 	[IFLA_BRIDGE_CFM_MEP_CONFIG_UNSPEC]	 = { .type = NLA_REJECT },
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| 	[IFLA_BRIDGE_CFM_MEP_CONFIG_INSTANCE]	 = { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_MEP_CONFIG_UNICAST_MAC] = NLA_POLICY_ETH_ADDR,
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| 	[IFLA_BRIDGE_CFM_MEP_CONFIG_MDLEVEL]	 = NLA_POLICY_MAX(NLA_U32, 7),
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| 	[IFLA_BRIDGE_CFM_MEP_CONFIG_MEPID]	 = NLA_POLICY_MAX(NLA_U32, 0x1FFF),
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| };
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| 
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| static const struct nla_policy
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| br_cfm_cc_config_policy[IFLA_BRIDGE_CFM_CC_CONFIG_MAX + 1] = {
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| 	[IFLA_BRIDGE_CFM_CC_CONFIG_UNSPEC]	 = { .type = NLA_REJECT },
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| 	[IFLA_BRIDGE_CFM_CC_CONFIG_INSTANCE]	 = { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_CC_CONFIG_ENABLE]	 = { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_INTERVAL] = { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_MAID]	 = {
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| 	.type = NLA_BINARY, .len = CFM_MAID_LENGTH },
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| };
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| 
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| static const struct nla_policy
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| br_cfm_cc_peer_mep_policy[IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX + 1] = {
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| 	[IFLA_BRIDGE_CFM_CC_PEER_MEP_UNSPEC]	= { .type = NLA_REJECT },
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| 	[IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE]	= { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_CC_PEER_MEPID]		= NLA_POLICY_MAX(NLA_U32, 0x1FFF),
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| };
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| 
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| static const struct nla_policy
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| br_cfm_cc_rdi_policy[IFLA_BRIDGE_CFM_CC_RDI_MAX + 1] = {
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| 	[IFLA_BRIDGE_CFM_CC_RDI_UNSPEC]		= { .type = NLA_REJECT },
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| 	[IFLA_BRIDGE_CFM_CC_RDI_INSTANCE]	= { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_CC_RDI_RDI]		= { .type = NLA_U32 },
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| };
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| 
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| static const struct nla_policy
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| br_cfm_cc_ccm_tx_policy[IFLA_BRIDGE_CFM_CC_CCM_TX_MAX + 1] = {
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| 	[IFLA_BRIDGE_CFM_CC_CCM_TX_UNSPEC]	   = { .type = NLA_REJECT },
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| 	[IFLA_BRIDGE_CFM_CC_CCM_TX_INSTANCE]	   = { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_CC_CCM_TX_DMAC]	   = NLA_POLICY_ETH_ADDR,
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| 	[IFLA_BRIDGE_CFM_CC_CCM_TX_SEQ_NO_UPDATE]  = { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_CC_CCM_TX_PERIOD]	   = { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV]	   = { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV_VALUE]   = { .type = NLA_U8 },
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| 	[IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV]	   = { .type = NLA_U32 },
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| 	[IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV_VALUE] = { .type = NLA_U8 },
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| };
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| 
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| static const struct nla_policy
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| br_cfm_policy[IFLA_BRIDGE_CFM_MAX + 1] = {
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| 	[IFLA_BRIDGE_CFM_UNSPEC]		= { .type = NLA_REJECT },
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| 	[IFLA_BRIDGE_CFM_MEP_CREATE]		=
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| 				NLA_POLICY_NESTED(br_cfm_mep_create_policy),
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| 	[IFLA_BRIDGE_CFM_MEP_DELETE]		=
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| 				NLA_POLICY_NESTED(br_cfm_mep_delete_policy),
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| 	[IFLA_BRIDGE_CFM_MEP_CONFIG]		=
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| 				NLA_POLICY_NESTED(br_cfm_mep_config_policy),
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| 	[IFLA_BRIDGE_CFM_CC_CONFIG]		=
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| 				NLA_POLICY_NESTED(br_cfm_cc_config_policy),
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| 	[IFLA_BRIDGE_CFM_CC_PEER_MEP_ADD]	=
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| 				NLA_POLICY_NESTED(br_cfm_cc_peer_mep_policy),
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| 	[IFLA_BRIDGE_CFM_CC_PEER_MEP_REMOVE]	=
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| 				NLA_POLICY_NESTED(br_cfm_cc_peer_mep_policy),
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| 	[IFLA_BRIDGE_CFM_CC_RDI]		=
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| 				NLA_POLICY_NESTED(br_cfm_cc_rdi_policy),
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| 	[IFLA_BRIDGE_CFM_CC_CCM_TX]		=
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| 				NLA_POLICY_NESTED(br_cfm_cc_ccm_tx_policy),
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| };
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| 
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| static int br_mep_create_parse(struct net_bridge *br, struct nlattr *attr,
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| 			       struct netlink_ext_ack *extack)
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| {
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| 	struct nlattr *tb[IFLA_BRIDGE_CFM_MEP_CREATE_MAX + 1];
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| 	struct br_cfm_mep_create create;
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| 	u32 instance;
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| 	int err;
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| 
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| 	err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_MEP_CREATE_MAX, attr,
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| 			       br_cfm_mep_create_policy, extack);
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| 	if (err)
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| 		return err;
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| 
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| 	if (!tb[IFLA_BRIDGE_CFM_MEP_CREATE_INSTANCE]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_MEP_CREATE_DOMAIN]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing DOMAIN attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_MEP_CREATE_DIRECTION]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing DIRECTION attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_MEP_CREATE_IFINDEX]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing IFINDEX attribute");
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| 		return -EINVAL;
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| 	}
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| 
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| 	memset(&create, 0, sizeof(create));
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| 
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| 	instance =  nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CREATE_INSTANCE]);
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| 	create.domain = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CREATE_DOMAIN]);
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| 	create.direction = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CREATE_DIRECTION]);
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| 	create.ifindex = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CREATE_IFINDEX]);
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| 
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| 	return br_cfm_mep_create(br, instance, &create, extack);
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| }
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| 
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| static int br_mep_delete_parse(struct net_bridge *br, struct nlattr *attr,
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| 			       struct netlink_ext_ack *extack)
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| {
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| 	struct nlattr *tb[IFLA_BRIDGE_CFM_MEP_DELETE_MAX + 1];
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| 	u32 instance;
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| 	int err;
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| 
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| 	err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_MEP_DELETE_MAX, attr,
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| 			       br_cfm_mep_delete_policy, extack);
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| 	if (err)
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| 		return err;
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| 
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| 	if (!tb[IFLA_BRIDGE_CFM_MEP_DELETE_INSTANCE]) {
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| 		NL_SET_ERR_MSG_MOD(extack,
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| 				   "Missing INSTANCE attribute");
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| 		return -EINVAL;
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| 	}
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| 
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| 	instance =  nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_DELETE_INSTANCE]);
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| 
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| 	return br_cfm_mep_delete(br, instance, extack);
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| }
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| 
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| static int br_mep_config_parse(struct net_bridge *br, struct nlattr *attr,
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| 			       struct netlink_ext_ack *extack)
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| {
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| 	struct nlattr *tb[IFLA_BRIDGE_CFM_MEP_CONFIG_MAX + 1];
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| 	struct br_cfm_mep_config config;
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| 	u32 instance;
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| 	int err;
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| 
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| 	err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_MEP_CONFIG_MAX, attr,
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| 			       br_cfm_mep_config_policy, extack);
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| 	if (err)
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| 		return err;
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| 
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| 	if (!tb[IFLA_BRIDGE_CFM_MEP_CONFIG_INSTANCE]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_MEP_CONFIG_UNICAST_MAC]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing UNICAST_MAC attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_MEP_CONFIG_MDLEVEL]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing MDLEVEL attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_MEP_CONFIG_MEPID]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing MEPID attribute");
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| 		return -EINVAL;
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| 	}
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| 
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| 	memset(&config, 0, sizeof(config));
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| 
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| 	instance =  nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CONFIG_INSTANCE]);
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| 	nla_memcpy(&config.unicast_mac.addr,
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| 		   tb[IFLA_BRIDGE_CFM_MEP_CONFIG_UNICAST_MAC],
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| 		   sizeof(config.unicast_mac.addr));
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| 	config.mdlevel = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CONFIG_MDLEVEL]);
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| 	config.mepid = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CONFIG_MEPID]);
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| 
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| 	return br_cfm_mep_config_set(br, instance, &config, extack);
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| }
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| 
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| static int br_cc_config_parse(struct net_bridge *br, struct nlattr *attr,
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| 			      struct netlink_ext_ack *extack)
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| {
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| 	struct nlattr *tb[IFLA_BRIDGE_CFM_CC_CONFIG_MAX + 1];
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| 	struct br_cfm_cc_config config;
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| 	u32 instance;
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| 	int err;
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| 
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| 	err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_CC_CONFIG_MAX, attr,
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| 			       br_cfm_cc_config_policy, extack);
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| 	if (err)
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| 		return err;
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| 
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_CONFIG_INSTANCE]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_CONFIG_ENABLE]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing ENABLE attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_INTERVAL]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing INTERVAL attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_MAID]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing MAID attribute");
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| 		return -EINVAL;
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| 	}
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| 
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| 	memset(&config, 0, sizeof(config));
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| 
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| 	instance =  nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_CONFIG_INSTANCE]);
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| 	config.enable = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_CONFIG_ENABLE]);
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| 	config.exp_interval = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_INTERVAL]);
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| 	nla_memcpy(&config.exp_maid.data, tb[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_MAID],
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| 		   sizeof(config.exp_maid.data));
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| 
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| 	return br_cfm_cc_config_set(br, instance, &config, extack);
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| }
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| 
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| static int br_cc_peer_mep_add_parse(struct net_bridge *br, struct nlattr *attr,
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| 				    struct netlink_ext_ack *extack)
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| {
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| 	struct nlattr *tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX + 1];
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| 	u32 instance, peer_mep_id;
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| 	int err;
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| 
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| 	err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX, attr,
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| 			       br_cfm_cc_peer_mep_policy, extack);
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| 	if (err)
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| 		return err;
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| 
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_PEER_MEPID]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing PEER_MEP_ID attribute");
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| 		return -EINVAL;
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| 	}
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| 
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| 	instance =  nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE]);
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| 	peer_mep_id =  nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_PEER_MEPID]);
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| 
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| 	return br_cfm_cc_peer_mep_add(br, instance, peer_mep_id, extack);
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| }
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| 
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| static int br_cc_peer_mep_remove_parse(struct net_bridge *br, struct nlattr *attr,
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| 				       struct netlink_ext_ack *extack)
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| {
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| 	struct nlattr *tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX + 1];
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| 	u32 instance, peer_mep_id;
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| 	int err;
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| 
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| 	err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX, attr,
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| 			       br_cfm_cc_peer_mep_policy, extack);
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| 	if (err)
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| 		return err;
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| 
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_PEER_MEPID]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing PEER_MEP_ID attribute");
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| 		return -EINVAL;
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| 	}
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| 
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| 	instance =  nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE]);
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| 	peer_mep_id =  nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_PEER_MEPID]);
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| 
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| 	return br_cfm_cc_peer_mep_remove(br, instance, peer_mep_id, extack);
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| }
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| 
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| static int br_cc_rdi_parse(struct net_bridge *br, struct nlattr *attr,
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| 			   struct netlink_ext_ack *extack)
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| {
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| 	struct nlattr *tb[IFLA_BRIDGE_CFM_CC_RDI_MAX + 1];
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| 	u32 instance, rdi;
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| 	int err;
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| 
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| 	err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_CC_RDI_MAX, attr,
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| 			       br_cfm_cc_rdi_policy, extack);
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| 	if (err)
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| 		return err;
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| 
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_RDI_INSTANCE]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_RDI_RDI]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing RDI attribute");
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| 		return -EINVAL;
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| 	}
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| 
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| 	instance =  nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_RDI_INSTANCE]);
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| 	rdi =  nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_RDI_RDI]);
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| 
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| 	return br_cfm_cc_rdi_set(br, instance, rdi, extack);
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| }
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| 
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| static int br_cc_ccm_tx_parse(struct net_bridge *br, struct nlattr *attr,
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| 			      struct netlink_ext_ack *extack)
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| {
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| 	struct nlattr *tb[IFLA_BRIDGE_CFM_CC_CCM_TX_MAX + 1];
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| 	struct br_cfm_cc_ccm_tx_info tx_info;
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| 	u32 instance;
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| 	int err;
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| 
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| 	err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_CC_CCM_TX_MAX, attr,
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| 			       br_cfm_cc_ccm_tx_policy, extack);
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| 	if (err)
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| 		return err;
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| 
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_INSTANCE]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_DMAC]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing DMAC attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_SEQ_NO_UPDATE]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing SEQ_NO_UPDATE attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_PERIOD]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing PERIOD attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing IF_TLV attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV_VALUE]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing IF_TLV_VALUE attribute");
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| 		return -EINVAL;
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| 	}
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| 	if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV]) {
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| 		NL_SET_ERR_MSG_MOD(extack, "Missing PORT_TLV attribute");
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| 		return -EINVAL;
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| 	}
 | |
| 	if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV_VALUE]) {
 | |
| 		NL_SET_ERR_MSG_MOD(extack, "Missing PORT_TLV_VALUE attribute");
 | |
| 		return -EINVAL;
 | |
| 	}
 | |
| 
 | |
| 	memset(&tx_info, 0, sizeof(tx_info));
 | |
| 
 | |
| 	instance = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_RDI_INSTANCE]);
 | |
| 	nla_memcpy(&tx_info.dmac.addr,
 | |
| 		   tb[IFLA_BRIDGE_CFM_CC_CCM_TX_DMAC],
 | |
| 		   sizeof(tx_info.dmac.addr));
 | |
| 	tx_info.seq_no_update = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_CCM_TX_SEQ_NO_UPDATE]);
 | |
| 	tx_info.period = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_CCM_TX_PERIOD]);
 | |
| 	tx_info.if_tlv = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV]);
 | |
| 	tx_info.if_tlv_value = nla_get_u8(tb[IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV_VALUE]);
 | |
| 	tx_info.port_tlv = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV]);
 | |
| 	tx_info.port_tlv_value = nla_get_u8(tb[IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV_VALUE]);
 | |
| 
 | |
| 	return br_cfm_cc_ccm_tx(br, instance, &tx_info, extack);
 | |
| }
 | |
| 
 | |
| int br_cfm_parse(struct net_bridge *br, struct net_bridge_port *p,
 | |
| 		 struct nlattr *attr, int cmd, struct netlink_ext_ack *extack)
 | |
| {
 | |
| 	struct nlattr *tb[IFLA_BRIDGE_CFM_MAX + 1];
 | |
| 	int err;
 | |
| 
 | |
| 	/* When this function is called for a port then the br pointer is
 | |
| 	 * invalid, therefor set the br to point correctly
 | |
| 	 */
 | |
| 	if (p)
 | |
| 		br = p->br;
 | |
| 
 | |
| 	err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_MAX, attr,
 | |
| 			       br_cfm_policy, extack);
 | |
| 	if (err)
 | |
| 		return err;
 | |
| 
 | |
| 	if (tb[IFLA_BRIDGE_CFM_MEP_CREATE]) {
 | |
| 		err = br_mep_create_parse(br, tb[IFLA_BRIDGE_CFM_MEP_CREATE],
 | |
| 					  extack);
 | |
| 		if (err)
 | |
| 			return err;
 | |
| 	}
 | |
| 
 | |
| 	if (tb[IFLA_BRIDGE_CFM_MEP_DELETE]) {
 | |
| 		err = br_mep_delete_parse(br, tb[IFLA_BRIDGE_CFM_MEP_DELETE],
 | |
| 					  extack);
 | |
| 		if (err)
 | |
| 			return err;
 | |
| 	}
 | |
| 
 | |
| 	if (tb[IFLA_BRIDGE_CFM_MEP_CONFIG]) {
 | |
| 		err = br_mep_config_parse(br, tb[IFLA_BRIDGE_CFM_MEP_CONFIG],
 | |
| 					  extack);
 | |
| 		if (err)
 | |
| 			return err;
 | |
| 	}
 | |
| 
 | |
| 	if (tb[IFLA_BRIDGE_CFM_CC_CONFIG]) {
 | |
| 		err = br_cc_config_parse(br, tb[IFLA_BRIDGE_CFM_CC_CONFIG],
 | |
| 					 extack);
 | |
| 		if (err)
 | |
| 			return err;
 | |
| 	}
 | |
| 
 | |
| 	if (tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_ADD]) {
 | |
| 		err = br_cc_peer_mep_add_parse(br, tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_ADD],
 | |
| 					       extack);
 | |
| 		if (err)
 | |
| 			return err;
 | |
| 	}
 | |
| 
 | |
| 	if (tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_REMOVE]) {
 | |
| 		err = br_cc_peer_mep_remove_parse(br, tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_REMOVE],
 | |
| 						  extack);
 | |
| 		if (err)
 | |
| 			return err;
 | |
| 	}
 | |
| 
 | |
| 	if (tb[IFLA_BRIDGE_CFM_CC_RDI]) {
 | |
| 		err = br_cc_rdi_parse(br, tb[IFLA_BRIDGE_CFM_CC_RDI],
 | |
| 				      extack);
 | |
| 		if (err)
 | |
| 			return err;
 | |
| 	}
 | |
| 
 | |
| 	if (tb[IFLA_BRIDGE_CFM_CC_CCM_TX]) {
 | |
| 		err = br_cc_ccm_tx_parse(br, tb[IFLA_BRIDGE_CFM_CC_CCM_TX],
 | |
| 					 extack);
 | |
| 		if (err)
 | |
| 			return err;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| int br_cfm_config_fill_info(struct sk_buff *skb, struct net_bridge *br)
 | |
| {
 | |
| 	struct br_cfm_peer_mep *peer_mep;
 | |
| 	struct br_cfm_mep *mep;
 | |
| 	struct nlattr *tb;
 | |
| 
 | |
| 	hlist_for_each_entry_rcu(mep, &br->mep_list, head) {
 | |
| 		tb = nla_nest_start(skb, IFLA_BRIDGE_CFM_MEP_CREATE_INFO);
 | |
| 		if (!tb)
 | |
| 			goto nla_info_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_MEP_CREATE_INSTANCE,
 | |
| 				mep->instance))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_MEP_CREATE_DOMAIN,
 | |
| 				mep->create.domain))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_MEP_CREATE_DIRECTION,
 | |
| 				mep->create.direction))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_MEP_CREATE_IFINDEX,
 | |
| 				mep->create.ifindex))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		nla_nest_end(skb, tb);
 | |
| 
 | |
| 		tb = nla_nest_start(skb, IFLA_BRIDGE_CFM_MEP_CONFIG_INFO);
 | |
| 
 | |
| 		if (!tb)
 | |
| 			goto nla_info_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_MEP_CONFIG_INSTANCE,
 | |
| 				mep->instance))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put(skb, IFLA_BRIDGE_CFM_MEP_CONFIG_UNICAST_MAC,
 | |
| 			    sizeof(mep->config.unicast_mac.addr),
 | |
| 			    mep->config.unicast_mac.addr))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_MEP_CONFIG_MDLEVEL,
 | |
| 				mep->config.mdlevel))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_MEP_CONFIG_MEPID,
 | |
| 				mep->config.mepid))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		nla_nest_end(skb, tb);
 | |
| 
 | |
| 		tb = nla_nest_start(skb, IFLA_BRIDGE_CFM_CC_CONFIG_INFO);
 | |
| 
 | |
| 		if (!tb)
 | |
| 			goto nla_info_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CONFIG_INSTANCE,
 | |
| 				mep->instance))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CONFIG_ENABLE,
 | |
| 				mep->cc_config.enable))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CONFIG_EXP_INTERVAL,
 | |
| 				mep->cc_config.exp_interval))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put(skb, IFLA_BRIDGE_CFM_CC_CONFIG_EXP_MAID,
 | |
| 			    sizeof(mep->cc_config.exp_maid.data),
 | |
| 			    mep->cc_config.exp_maid.data))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		nla_nest_end(skb, tb);
 | |
| 
 | |
| 		tb = nla_nest_start(skb, IFLA_BRIDGE_CFM_CC_RDI_INFO);
 | |
| 
 | |
| 		if (!tb)
 | |
| 			goto nla_info_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_RDI_INSTANCE,
 | |
| 				mep->instance))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_RDI_RDI,
 | |
| 				mep->rdi))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		nla_nest_end(skb, tb);
 | |
| 
 | |
| 		tb = nla_nest_start(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_INFO);
 | |
| 
 | |
| 		if (!tb)
 | |
| 			goto nla_info_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_INSTANCE,
 | |
| 				mep->instance))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_DMAC,
 | |
| 			    sizeof(mep->cc_ccm_tx_info.dmac),
 | |
| 			    mep->cc_ccm_tx_info.dmac.addr))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_SEQ_NO_UPDATE,
 | |
| 				mep->cc_ccm_tx_info.seq_no_update))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_PERIOD,
 | |
| 				mep->cc_ccm_tx_info.period))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV,
 | |
| 				mep->cc_ccm_tx_info.if_tlv))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u8(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV_VALUE,
 | |
| 			       mep->cc_ccm_tx_info.if_tlv_value))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV,
 | |
| 				mep->cc_ccm_tx_info.port_tlv))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u8(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV_VALUE,
 | |
| 			       mep->cc_ccm_tx_info.port_tlv_value))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		nla_nest_end(skb, tb);
 | |
| 
 | |
| 		hlist_for_each_entry_rcu(peer_mep, &mep->peer_mep_list, head) {
 | |
| 			tb = nla_nest_start(skb,
 | |
| 					    IFLA_BRIDGE_CFM_CC_PEER_MEP_INFO);
 | |
| 
 | |
| 			if (!tb)
 | |
| 				goto nla_info_failure;
 | |
| 
 | |
| 			if (nla_put_u32(skb,
 | |
| 					IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE,
 | |
| 					mep->instance))
 | |
| 				goto nla_put_failure;
 | |
| 
 | |
| 			if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_PEER_MEPID,
 | |
| 					peer_mep->mepid))
 | |
| 				goto nla_put_failure;
 | |
| 
 | |
| 			nla_nest_end(skb, tb);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| 
 | |
| nla_put_failure:
 | |
| 	nla_nest_cancel(skb, tb);
 | |
| 
 | |
| nla_info_failure:
 | |
| 	return -EMSGSIZE;
 | |
| }
 | |
| 
 | |
| int br_cfm_status_fill_info(struct sk_buff *skb,
 | |
| 			    struct net_bridge *br,
 | |
| 			    bool getlink)
 | |
| {
 | |
| 	struct br_cfm_peer_mep *peer_mep;
 | |
| 	struct br_cfm_mep *mep;
 | |
| 	struct nlattr *tb;
 | |
| 
 | |
| 	hlist_for_each_entry_rcu(mep, &br->mep_list, head) {
 | |
| 		tb = nla_nest_start(skb, IFLA_BRIDGE_CFM_MEP_STATUS_INFO);
 | |
| 		if (!tb)
 | |
| 			goto nla_info_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_MEP_STATUS_INSTANCE,
 | |
| 				mep->instance))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb,
 | |
| 				IFLA_BRIDGE_CFM_MEP_STATUS_OPCODE_UNEXP_SEEN,
 | |
| 				mep->status.opcode_unexp_seen))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb,
 | |
| 				IFLA_BRIDGE_CFM_MEP_STATUS_VERSION_UNEXP_SEEN,
 | |
| 				mep->status.version_unexp_seen))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		if (nla_put_u32(skb,
 | |
| 				IFLA_BRIDGE_CFM_MEP_STATUS_RX_LEVEL_LOW_SEEN,
 | |
| 				mep->status.rx_level_low_seen))
 | |
| 			goto nla_put_failure;
 | |
| 
 | |
| 		/* Only clear if this is a GETLINK */
 | |
| 		if (getlink) {
 | |
| 			/* Clear all 'seen' indications */
 | |
| 			mep->status.opcode_unexp_seen = false;
 | |
| 			mep->status.version_unexp_seen = false;
 | |
| 			mep->status.rx_level_low_seen = false;
 | |
| 		}
 | |
| 
 | |
| 		nla_nest_end(skb, tb);
 | |
| 
 | |
| 		hlist_for_each_entry_rcu(peer_mep, &mep->peer_mep_list, head) {
 | |
| 			tb = nla_nest_start(skb,
 | |
| 					    IFLA_BRIDGE_CFM_CC_PEER_STATUS_INFO);
 | |
| 			if (!tb)
 | |
| 				goto nla_info_failure;
 | |
| 
 | |
| 			if (nla_put_u32(skb,
 | |
| 					IFLA_BRIDGE_CFM_CC_PEER_STATUS_INSTANCE,
 | |
| 					mep->instance))
 | |
| 				goto nla_put_failure;
 | |
| 
 | |
| 			if (nla_put_u32(skb,
 | |
| 					IFLA_BRIDGE_CFM_CC_PEER_STATUS_PEER_MEPID,
 | |
| 					peer_mep->mepid))
 | |
| 				goto nla_put_failure;
 | |
| 
 | |
| 			if (nla_put_u32(skb,
 | |
| 					IFLA_BRIDGE_CFM_CC_PEER_STATUS_CCM_DEFECT,
 | |
| 					peer_mep->cc_status.ccm_defect))
 | |
| 				goto nla_put_failure;
 | |
| 
 | |
| 			if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_PEER_STATUS_RDI,
 | |
| 					peer_mep->cc_status.rdi))
 | |
| 				goto nla_put_failure;
 | |
| 
 | |
| 			if (nla_put_u8(skb,
 | |
| 				       IFLA_BRIDGE_CFM_CC_PEER_STATUS_PORT_TLV_VALUE,
 | |
| 				       peer_mep->cc_status.port_tlv_value))
 | |
| 				goto nla_put_failure;
 | |
| 
 | |
| 			if (nla_put_u8(skb,
 | |
| 				       IFLA_BRIDGE_CFM_CC_PEER_STATUS_IF_TLV_VALUE,
 | |
| 				       peer_mep->cc_status.if_tlv_value))
 | |
| 				goto nla_put_failure;
 | |
| 
 | |
| 			if (nla_put_u32(skb,
 | |
| 					IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEEN,
 | |
| 					peer_mep->cc_status.seen))
 | |
| 				goto nla_put_failure;
 | |
| 
 | |
| 			if (nla_put_u32(skb,
 | |
| 					IFLA_BRIDGE_CFM_CC_PEER_STATUS_TLV_SEEN,
 | |
| 					peer_mep->cc_status.tlv_seen))
 | |
| 				goto nla_put_failure;
 | |
| 
 | |
| 			if (nla_put_u32(skb,
 | |
| 					IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEQ_UNEXP_SEEN,
 | |
| 					peer_mep->cc_status.seq_unexp_seen))
 | |
| 				goto nla_put_failure;
 | |
| 
 | |
| 			if (getlink) { /* Only clear if this is a GETLINK */
 | |
| 				/* Clear all 'seen' indications */
 | |
| 				peer_mep->cc_status.seen = false;
 | |
| 				peer_mep->cc_status.tlv_seen = false;
 | |
| 				peer_mep->cc_status.seq_unexp_seen = false;
 | |
| 			}
 | |
| 
 | |
| 			nla_nest_end(skb, tb);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| 
 | |
| nla_put_failure:
 | |
| 	nla_nest_cancel(skb, tb);
 | |
| 
 | |
| nla_info_failure:
 | |
| 	return -EMSGSIZE;
 | |
| }
 |