On Fri, 2020-10-09 at 14:35 +0000, Henrik Bjoernlund wrote: > This is the implementation of Netlink notifications out of CFM. > > Notifications are initiated whenever a state change happens in CFM. > > IFLA_BRIDGE_CFM: > Points to the CFM information. > > IFLA_BRIDGE_CFM_MEP_STATUS_INFO: > This indicate that the MEP instance status are following. > IFLA_BRIDGE_CFM_CC_PEER_STATUS_INFO: > This indicate that the peer MEP status are following. > > CFM nested attribute has the following attributes in next level. > > IFLA_BRIDGE_CFM_MEP_STATUS_INSTANCE: > The MEP instance number of the delivered status. > The type is NLA_U32. > IFLA_BRIDGE_CFM_MEP_STATUS_OPCODE_UNEXP_SEEN: > The MEP instance received CFM PDU with unexpected Opcode. > The type is NLA_U32 (bool). > IFLA_BRIDGE_CFM_MEP_STATUS_VERSION_UNEXP_SEEN: > The MEP instance received CFM PDU with unexpected version. > The type is NLA_U32 (bool). > IFLA_BRIDGE_CFM_MEP_STATUS_RX_LEVEL_LOW_SEEN: > The MEP instance received CCM PDU with MD level lower than > configured level. This frame is discarded. > The type is NLA_U32 (bool). > > IFLA_BRIDGE_CFM_CC_PEER_STATUS_INSTANCE: > The MEP instance number of the delivered status. > The type is NLA_U32. > IFLA_BRIDGE_CFM_CC_PEER_STATUS_PEER_MEPID: > The added Peer MEP ID of the delivered status. > The type is NLA_U32. > IFLA_BRIDGE_CFM_CC_PEER_STATUS_CCM_DEFECT: > The CCM defect status. > The type is NLA_U32 (bool). > True means no CCM frame is received for 3.25 intervals. > IFLA_BRIDGE_CFM_CC_CONFIG_EXP_INTERVAL. > IFLA_BRIDGE_CFM_CC_PEER_STATUS_RDI: > The last received CCM PDU RDI. > The type is NLA_U32 (bool). > IFLA_BRIDGE_CFM_CC_PEER_STATUS_PORT_TLV_VALUE: > The last received CCM PDU Port Status TLV value field. > The type is NLA_U8. > IFLA_BRIDGE_CFM_CC_PEER_STATUS_IF_TLV_VALUE: > The last received CCM PDU Interface Status TLV value field. > The type is NLA_U8. > IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEEN: > A CCM frame has been received from Peer MEP. > The type is NLA_U32 (bool). > This is cleared after GETLINK IFLA_BRIDGE_CFM_CC_PEER_STATUS_INFO. > IFLA_BRIDGE_CFM_CC_PEER_STATUS_TLV_SEEN: > A CCM frame with TLV has been received from Peer MEP. > The type is NLA_U32 (bool). > This is cleared after GETLINK IFLA_BRIDGE_CFM_CC_PEER_STATUS_INFO. > IFLA_BRIDGE_CFM_CC_PEER_STATUS_SEQ_UNEXP_SEEN: > A CCM frame with unexpected sequence number has been received > from Peer MEP. > The type is NLA_U32 (bool). > When a sequence number is not one higher than previously received > then it is unexpected. > This is cleared after GETLINK IFLA_BRIDGE_CFM_CC_PEER_STATUS_INFO. > > Signed-off-by: Henrik Bjoernlund <henrik.bjoernlund@xxxxxxxxxxxxx> > Reviewed-by: Horatiu Vultur <horatiu.vultur@xxxxxxxxxxxxx> > --- > net/bridge/br_cfm.c | 48 ++++++++++++++++++++++++ > net/bridge/br_cfm_netlink.c | 25 ++++++++----- > net/bridge/br_netlink.c | 73 ++++++++++++++++++++++++++++++++----- > net/bridge/br_private.h | 22 ++++++++++- > 4 files changed, 147 insertions(+), 21 deletions(-) > Acked-by: Nikolay Aleksandrov <nikolay@xxxxxxxxxx>
