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2023-10-01net: implement lockless SO_MAX_PACING_RATEEric Dumazet1-1/+1
SO_MAX_PACING_RATE setsockopt() does not need to hold the socket lock, because sk->sk_pacing_rate readers can run fine if the value is changed by other threads, after adding READ_ONCE() accessors. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-04-23mptcp: dump infinite_map field in mptcp_dump_mpextGeliang Tang1-2/+4
In trace event class mptcp_dump_mpext, dump the newly added infinite_map field of struct mptcp_dump_mpext too. Signed-off-by: Geliang Tang <geliang.tang@suse.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-03-09mptcp: add tracepoint in mptcp_sendmsg_fragGeliang Tang1-0/+4
The tracepoint in get_mapping_status() only dumped the incoming mpext fields. This patch added a new tracepoint in mptcp_sendmsg_frag() to dump the outgoing mpext too. Signed-off-by: Geliang Tang <geliang.tang@suse.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-06-18mptcp: dump csum fields in mptcp_dump_mpextGeliang Tang1-6/+11
In mptcp_dump_mpext, dump the csum fields, csum and csum_reqd in struct mptcp_dump_mpext too. Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-17mptcp: add tracepoint in subflow_check_data_availGeliang Tang1-0/+29
This patch added a tracepoint in subflow_check_data_avail() to show the mapping status. Suggested-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-17mptcp: add tracepoint in ack_update_mskGeliang Tang1-0/+32
This patch added a tracepoint in ack_update_msk() to track the incoming data_ack and window/snd_una updates. Suggested-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-17mptcp: add tracepoint in get_mapping_statusGeliang Tang1-0/+52
This patch added a tracepoint in the mapping status function get_mapping_status() to dump every mpext field. Suggested-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-17mptcp: add tracepoint in mptcp_subflow_get_sendGeliang Tang1-0/+60
This patch added a tracepoint in the packet scheduler function mptcp_subflow_get_send(). Suggested-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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