net: ena: Add validation for completion descriptors consistency

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Validate that `first` flag is set only for the first
descriptor in multi-buffer packets.
In case of an invalid descriptor, a reset will occur.
A new reset reason for RX data corruption has been added.

Signed-off-by: Shahar Itzko <itzko@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240512134637.25299-4-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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David Arinzon 2024-05-12 13:46:35 +00:00 • committed by Jakub Kicinski

parent 48673ef444

commit b37b98a3a0

3 changed files with 30 additions and 10 deletions

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37

drivers/net/ethernet/amazon/ena/ena_eth_com.c

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2

drivers/net/ethernet/amazon/ena/ena_netdev.c

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1

drivers/net/ethernet/amazon/ena/ena_regs_defs.h

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