https://github.com/torvalds/linux
Revision 342508c1c7540e281fd36151c175ba5ff954a99f authored by Tariq Toukan on 20 January 2020, 11:42:00 UTC, committed by Saeed Mahameed on 24 January 2020, 20:04:40 UTC
When TCP out-of-order is identified (unexpected tcp seq mismatch), driver
analyzes the packet and decides what handling should it get:
1. go to accelerated path (to be encrypted in HW),
2. go to regular xmit path (send w/o encryption),
3. drop.

Packets marked with skb->decrypted by the TLS stack in the TX flow skips
SW encryption, and rely on the HW offload.
Verify that such packets are never sent un-encrypted on the wire.
Add a WARN to catch such bugs, and prefer dropping the packet in these cases.

Fixes: 46a3ea98074e ("net/mlx5e: kTLS, Enhance TX resync flow")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Reviewed-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
1 parent 1e92899
History
Tip revision: 342508c1c7540e281fd36151c175ba5ff954a99f authored by Tariq Toukan on 20 January 2020, 11:42:00 UTC
net/mlx5e: kTLS, Do not send decrypted-marked SKBs via non-accel path
Tip revision: 342508c
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