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When processing counter updates, if any action set using the newly
incremented counter includes an encap action, prod the corresponding
neighbouring entry to indicate to the neighbour cache that the entry
is still in use and passing traffic.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/20230621121504.17004-1-edward.cree@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In the case of invalid or corrupted v2 counter update packets,
efx_tc_rx_version_2() returns EFX_TC_COUNTER_TYPE_MAX. In this case
we should not attempt to update generation counts as this will write
beyond the end of the seen_gen array.
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1527356 ("Memory - illegal accesses")
Fixes: 25730d8be5d8 ("sfc: add extra RX channel to receive MAE counter updates on ef100")
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On FLOW_CLS_STATS, look up the MAE counter by TC cookie, and report the
change in packet and byte count since the last time FLOW_CLS_STATS read
them.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the packet and byte counts to the software running total, and store
the latest jiffies every time the counter is bumped.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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efx_tc_flower_get_counter_index() will create an MAE counter mapped to
the passed (TC filter) cookie, or increment the reference if one already
exists for that cookie.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Nothing populates them yet.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently there is no counter-allocating machinery to connect the
resulting counter update values to; that will be added in a
subsequent patch.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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