diff options
Diffstat (limited to '')
| -rw-r--r-- | net/bridge/br_cfm_netlink.c | 726 |
1 files changed, 726 insertions, 0 deletions
diff --git a/net/bridge/br_cfm_netlink.c b/net/bridge/br_cfm_netlink.c new file mode 100644 index 000000000..5c4c369f8 --- /dev/null +++ b/net/bridge/br_cfm_netlink.c @@ -0,0 +1,726 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <net/genetlink.h> + +#include "br_private.h" +#include "br_private_cfm.h" + +static const struct nla_policy +br_cfm_mep_create_policy[IFLA_BRIDGE_CFM_MEP_CREATE_MAX + 1] = { + [IFLA_BRIDGE_CFM_MEP_CREATE_UNSPEC] = { .type = NLA_REJECT }, + [IFLA_BRIDGE_CFM_MEP_CREATE_INSTANCE] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_MEP_CREATE_DOMAIN] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_MEP_CREATE_DIRECTION] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_MEP_CREATE_IFINDEX] = { .type = NLA_U32 }, +}; + +static const struct nla_policy +br_cfm_mep_delete_policy[IFLA_BRIDGE_CFM_MEP_DELETE_MAX + 1] = { + [IFLA_BRIDGE_CFM_MEP_DELETE_UNSPEC] = { .type = NLA_REJECT }, + [IFLA_BRIDGE_CFM_MEP_DELETE_INSTANCE] = { .type = NLA_U32 }, +}; + +static const struct nla_policy +br_cfm_mep_config_policy[IFLA_BRIDGE_CFM_MEP_CONFIG_MAX + 1] = { + [IFLA_BRIDGE_CFM_MEP_CONFIG_UNSPEC] = { .type = NLA_REJECT }, + [IFLA_BRIDGE_CFM_MEP_CONFIG_INSTANCE] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_MEP_CONFIG_UNICAST_MAC] = NLA_POLICY_ETH_ADDR, + [IFLA_BRIDGE_CFM_MEP_CONFIG_MDLEVEL] = NLA_POLICY_MAX(NLA_U32, 7), + [IFLA_BRIDGE_CFM_MEP_CONFIG_MEPID] = NLA_POLICY_MAX(NLA_U32, 0x1FFF), +}; + +static const struct nla_policy +br_cfm_cc_config_policy[IFLA_BRIDGE_CFM_CC_CONFIG_MAX + 1] = { + [IFLA_BRIDGE_CFM_CC_CONFIG_UNSPEC] = { .type = NLA_REJECT }, + [IFLA_BRIDGE_CFM_CC_CONFIG_INSTANCE] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_CC_CONFIG_ENABLE] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_CC_CONFIG_EXP_INTERVAL] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_CC_CONFIG_EXP_MAID] = { + .type = NLA_BINARY, .len = CFM_MAID_LENGTH }, +}; + +static const struct nla_policy +br_cfm_cc_peer_mep_policy[IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX + 1] = { + [IFLA_BRIDGE_CFM_CC_PEER_MEP_UNSPEC] = { .type = NLA_REJECT }, + [IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_CC_PEER_MEPID] = NLA_POLICY_MAX(NLA_U32, 0x1FFF), +}; + +static const struct nla_policy +br_cfm_cc_rdi_policy[IFLA_BRIDGE_CFM_CC_RDI_MAX + 1] = { + [IFLA_BRIDGE_CFM_CC_RDI_UNSPEC] = { .type = NLA_REJECT }, + [IFLA_BRIDGE_CFM_CC_RDI_INSTANCE] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_CC_RDI_RDI] = { .type = NLA_U32 }, +}; + +static const struct nla_policy +br_cfm_cc_ccm_tx_policy[IFLA_BRIDGE_CFM_CC_CCM_TX_MAX + 1] = { + [IFLA_BRIDGE_CFM_CC_CCM_TX_UNSPEC] = { .type = NLA_REJECT }, + [IFLA_BRIDGE_CFM_CC_CCM_TX_INSTANCE] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_CC_CCM_TX_DMAC] = NLA_POLICY_ETH_ADDR, + [IFLA_BRIDGE_CFM_CC_CCM_TX_SEQ_NO_UPDATE] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_CC_CCM_TX_PERIOD] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV_VALUE] = { .type = NLA_U8 }, + [IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV] = { .type = NLA_U32 }, + [IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV_VALUE] = { .type = NLA_U8 }, +}; + +static const struct nla_policy +br_cfm_policy[IFLA_BRIDGE_CFM_MAX + 1] = { + [IFLA_BRIDGE_CFM_UNSPEC] = { .type = NLA_REJECT }, + [IFLA_BRIDGE_CFM_MEP_CREATE] = + NLA_POLICY_NESTED(br_cfm_mep_create_policy), + [IFLA_BRIDGE_CFM_MEP_DELETE] = + NLA_POLICY_NESTED(br_cfm_mep_delete_policy), + [IFLA_BRIDGE_CFM_MEP_CONFIG] = + NLA_POLICY_NESTED(br_cfm_mep_config_policy), + [IFLA_BRIDGE_CFM_CC_CONFIG] = + NLA_POLICY_NESTED(br_cfm_cc_config_policy), + [IFLA_BRIDGE_CFM_CC_PEER_MEP_ADD] = + NLA_POLICY_NESTED(br_cfm_cc_peer_mep_policy), + [IFLA_BRIDGE_CFM_CC_PEER_MEP_REMOVE] = + NLA_POLICY_NESTED(br_cfm_cc_peer_mep_policy), + [IFLA_BRIDGE_CFM_CC_RDI] = + NLA_POLICY_NESTED(br_cfm_cc_rdi_policy), + [IFLA_BRIDGE_CFM_CC_CCM_TX] = + NLA_POLICY_NESTED(br_cfm_cc_ccm_tx_policy), +}; + +static int br_mep_create_parse(struct net_bridge *br, struct nlattr *attr, + struct netlink_ext_ack *extack) +{ + struct nlattr *tb[IFLA_BRIDGE_CFM_MEP_CREATE_MAX + 1]; + struct br_cfm_mep_create create; + u32 instance; + int err; + + err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_MEP_CREATE_MAX, attr, + br_cfm_mep_create_policy, extack); + if (err) + return err; + + if (!tb[IFLA_BRIDGE_CFM_MEP_CREATE_INSTANCE]) { + NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_MEP_CREATE_DOMAIN]) { + NL_SET_ERR_MSG_MOD(extack, "Missing DOMAIN attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_MEP_CREATE_DIRECTION]) { + NL_SET_ERR_MSG_MOD(extack, "Missing DIRECTION attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_MEP_CREATE_IFINDEX]) { + NL_SET_ERR_MSG_MOD(extack, "Missing IFINDEX attribute"); + return -EINVAL; + } + + memset(&create, 0, sizeof(create)); + + instance = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CREATE_INSTANCE]); + create.domain = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CREATE_DOMAIN]); + create.direction = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CREATE_DIRECTION]); + create.ifindex = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CREATE_IFINDEX]); + + return br_cfm_mep_create(br, instance, &create, extack); +} + +static int br_mep_delete_parse(struct net_bridge *br, struct nlattr *attr, + struct netlink_ext_ack *extack) +{ + struct nlattr *tb[IFLA_BRIDGE_CFM_MEP_DELETE_MAX + 1]; + u32 instance; + int err; + + err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_MEP_DELETE_MAX, attr, + br_cfm_mep_delete_policy, extack); + if (err) + return err; + + if (!tb[IFLA_BRIDGE_CFM_MEP_DELETE_INSTANCE]) { + NL_SET_ERR_MSG_MOD(extack, + "Missing INSTANCE attribute"); + return -EINVAL; + } + + instance = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_DELETE_INSTANCE]); + + return br_cfm_mep_delete(br, instance, extack); +} + +static int br_mep_config_parse(struct net_bridge *br, struct nlattr *attr, + struct netlink_ext_ack *extack) +{ + struct nlattr *tb[IFLA_BRIDGE_CFM_MEP_CONFIG_MAX + 1]; + struct br_cfm_mep_config config; + u32 instance; + int err; + + err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_MEP_CONFIG_MAX, attr, + br_cfm_mep_config_policy, extack); + if (err) + return err; + + if (!tb[IFLA_BRIDGE_CFM_MEP_CONFIG_INSTANCE]) { + NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_MEP_CONFIG_UNICAST_MAC]) { + NL_SET_ERR_MSG_MOD(extack, "Missing UNICAST_MAC attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_MEP_CONFIG_MDLEVEL]) { + NL_SET_ERR_MSG_MOD(extack, "Missing MDLEVEL attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_MEP_CONFIG_MEPID]) { + NL_SET_ERR_MSG_MOD(extack, "Missing MEPID attribute"); + return -EINVAL; + } + + memset(&config, 0, sizeof(config)); + + instance = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CONFIG_INSTANCE]); + nla_memcpy(&config.unicast_mac.addr, + tb[IFLA_BRIDGE_CFM_MEP_CONFIG_UNICAST_MAC], + sizeof(config.unicast_mac.addr)); + config.mdlevel = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CONFIG_MDLEVEL]); + config.mepid = nla_get_u32(tb[IFLA_BRIDGE_CFM_MEP_CONFIG_MEPID]); + + return br_cfm_mep_config_set(br, instance, &config, extack); +} + +static int br_cc_config_parse(struct net_bridge *br, struct nlattr *attr, + struct netlink_ext_ack *extack) +{ + struct nlattr *tb[IFLA_BRIDGE_CFM_CC_CONFIG_MAX + 1]; + struct br_cfm_cc_config config; + u32 instance; + int err; + + err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_CC_CONFIG_MAX, attr, + br_cfm_cc_config_policy, extack); + if (err) + return err; + + if (!tb[IFLA_BRIDGE_CFM_CC_CONFIG_INSTANCE]) { + NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_CONFIG_ENABLE]) { + NL_SET_ERR_MSG_MOD(extack, "Missing ENABLE attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_INTERVAL]) { + NL_SET_ERR_MSG_MOD(extack, "Missing INTERVAL attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_MAID]) { + NL_SET_ERR_MSG_MOD(extack, "Missing MAID attribute"); + return -EINVAL; + } + + memset(&config, 0, sizeof(config)); + + instance = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_CONFIG_INSTANCE]); + config.enable = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_CONFIG_ENABLE]); + config.exp_interval = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_INTERVAL]); + nla_memcpy(&config.exp_maid.data, tb[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_MAID], + sizeof(config.exp_maid.data)); + + return br_cfm_cc_config_set(br, instance, &config, extack); +} + +static int br_cc_peer_mep_add_parse(struct net_bridge *br, struct nlattr *attr, + struct netlink_ext_ack *extack) +{ + struct nlattr *tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX + 1]; + u32 instance, peer_mep_id; + int err; + + err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX, attr, + br_cfm_cc_peer_mep_policy, extack); + if (err) + return err; + + if (!tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE]) { + NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_PEER_MEPID]) { + NL_SET_ERR_MSG_MOD(extack, "Missing PEER_MEP_ID attribute"); + return -EINVAL; + } + + instance = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE]); + peer_mep_id = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_PEER_MEPID]); + + return br_cfm_cc_peer_mep_add(br, instance, peer_mep_id, extack); +} + +static int br_cc_peer_mep_remove_parse(struct net_bridge *br, struct nlattr *attr, + struct netlink_ext_ack *extack) +{ + struct nlattr *tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX + 1]; + u32 instance, peer_mep_id; + int err; + + err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_CC_PEER_MEP_MAX, attr, + br_cfm_cc_peer_mep_policy, extack); + if (err) + return err; + + if (!tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE]) { + NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_PEER_MEPID]) { + NL_SET_ERR_MSG_MOD(extack, "Missing PEER_MEP_ID attribute"); + return -EINVAL; + } + + instance = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_PEER_MEP_INSTANCE]); + peer_mep_id = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_PEER_MEPID]); + + return br_cfm_cc_peer_mep_remove(br, instance, peer_mep_id, extack); +} + +static int br_cc_rdi_parse(struct net_bridge *br, struct nlattr *attr, + struct netlink_ext_ack *extack) +{ + struct nlattr *tb[IFLA_BRIDGE_CFM_CC_RDI_MAX + 1]; + u32 instance, rdi; + int err; + + err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_CC_RDI_MAX, attr, + br_cfm_cc_rdi_policy, extack); + if (err) + return err; + + if (!tb[IFLA_BRIDGE_CFM_CC_RDI_INSTANCE]) { + NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_RDI_RDI]) { + NL_SET_ERR_MSG_MOD(extack, "Missing RDI attribute"); + return -EINVAL; + } + + instance = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_RDI_INSTANCE]); + rdi = nla_get_u32(tb[IFLA_BRIDGE_CFM_CC_RDI_RDI]); + + return br_cfm_cc_rdi_set(br, instance, rdi, extack); +} + +static int br_cc_ccm_tx_parse(struct net_bridge *br, struct nlattr *attr, + struct netlink_ext_ack *extack) +{ + struct nlattr *tb[IFLA_BRIDGE_CFM_CC_CCM_TX_MAX + 1]; + struct br_cfm_cc_ccm_tx_info tx_info; + u32 instance; + int err; + + err = nla_parse_nested(tb, IFLA_BRIDGE_CFM_CC_CCM_TX_MAX, attr, + br_cfm_cc_ccm_tx_policy, extack); + if (err) + return err; + + if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_INSTANCE]) { + NL_SET_ERR_MSG_MOD(extack, "Missing INSTANCE attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_DMAC]) { + NL_SET_ERR_MSG_MOD(extack, "Missing DMAC attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_SEQ_NO_UPDATE]) { + NL_SET_ERR_MSG_MOD(extack, "Missing SEQ_NO_UPDATE attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_PERIOD]) { + NL_SET_ERR_MSG_MOD(extack, "Missing PERIOD attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV]) { + NL_SET_ERR_MSG_MOD(extack, "Missing IF_TLV attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV_VALUE]) { + NL_SET_ERR_MSG_MOD(extack, "Missing IF_TLV_VALUE attribute"); + return -EINVAL; + } + if (!tb[IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV]) { + NL_SET_ERR_MSG_MOD(extack, "Missing PORT_TLV attribute"); + return -EINVAL; + } + 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; +} |