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* mptcp: add RM_ADDR related mibsGeliang Tang2020-09-241-0/+2
| | | | | | | | | | | | | | | This patch added two new mibs for RM_ADDR, named MPTCP_MIB_RMADDR and MPTCP_MIB_RMSUBFLOW, when the RM_ADDR suboption is received, increase the first mib counter, when the local subflow is removed, increase the second mib counter. Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Suggested-by: Paolo Abeni <pabeni@redhat.com> Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mptcp: add ADD_ADDR related mibsGeliang Tang2020-09-241-0/+2
| | | | | | | | | | | | This patch added two mibs for ADD_ADDR, MPTCP_MIB_ADDADDR for receiving of the ADD_ADDR suboption with echo-flag=0, and MPTCP_MIB_ECHOADD for receiving the ADD_ADDR suboption with echo-flag=1. Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Co-developed-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mptcp: add OoO related mibsPaolo Abeni2020-09-141-0/+5
| | | | | | | | | Add a bunch of MPTCP mibs related to MPTCP OoO data processing. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mptcp: add and use MIB counter infrastructureFlorian Westphal2020-03-291-0/+40
Exported via same /proc file as the Linux TCP MIB counters, so "netstat -s" or "nstat" will show them automatically. The MPTCP MIB counters are allocated in a distinct pcpu area in order to avoid bloating/wasting TCP pcpu memory. Counters are allocated once the first MPTCP socket is created in a network namespace and free'd on exit. If no sockets have been allocated, all-zero mptcp counters are shown. The MIB counter list is taken from the multipath-tcp.org kernel, but only a few counters have been picked up so far. The counter list can be increased at any time later on. v2 -> v3: - remove 'inline' in foo.c files (David S. Miller) Co-developed-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>