octeontx2-pf: Fix SQE threshold checking

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Current way of checking available SQE count which is based on
HW updated SQB count could result in driver submitting an SQE
even before CQE for the previously transmitted SQE at the same
index is processed in NAPI resulting losing SKB pointers,
hence a leak. Fix this by checking a consumer index which
is updated once CQE is processed.

Fixes: 3ca6c4c882 ("octeontx2-pf: Add packet transmission support")
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Reviewed-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Link: https://lore.kernel.org/r/20221107033505.2491464-1-rkannoth@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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This commit is contained in:

Ratheesh Kannoth 2022-11-07 09:05:05 +05:30 • committed by Paolo Abeni

parent b0c09c7f08

commit f0dfc4c88e

3 changed files with 21 additions and 13 deletions

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1

drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c

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32

drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c

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1

drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h

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