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Message-ID: <20201012130806.sye6tl4amkuqbbgh@soft-test08>
Date: Mon, 12 Oct 2020 13:08:06 +0000
From: "henrik.bjoernlund@...rochip.com" <henrik.bjoernlund@...rochip.com>
To: Nikolay Aleksandrov <nikolay@...dia.com>
CC: "bridge@...ts.linux-foundation.org"
<bridge@...ts.linux-foundation.org>,
"davem@...emloft.net" <davem@...emloft.net>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"jiri@...lanox.com" <jiri@...lanox.com>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
Roopa Prabhu <roopa@...dia.com>,
"idosch@...lanox.com" <idosch@...lanox.com>,
"kuba@...nel.org" <kuba@...nel.org>,
"UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
"horatiu.vultur@...rochip.com" <horatiu.vultur@...rochip.com>
Subject: Re: [PATCH net-next v4 10/10] bridge: cfm: Netlink Notifications.
The 10/09/2020 22:03, Nikolay Aleksandrov wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> 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@...rochip.com>
> > Reviewed-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
> > ---
> > 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@...dia.com>
>
Thanks for the review.
--
/Henrik
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