l2tp: capture more tx errors in data plane stats
l2tp_xmit_skb has a number of failure paths which are not reflected in the tunnel and session statistics because the stats are updated by l2tp_xmit_core. Hence any errors occurring before l2tp_xmit_core is called are missed from the statistics. Refactor the transmit path slightly to capture all error paths. l2tp_xmit_skb now leaves all the actual work of transmission to l2tp_xmit_core, and updates the statistics based on l2tp_xmit_core's return code. Signed-off-by:Tom Parkin <tparkin@katalix.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
c9ccd4c6
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