Vladimir Oltean 66a2f5ef68 net: enetc: allow tc-etf offload even with NETIF_F_CSUM_MASK
The Time-Specified Departure feature is indeed mutually exclusive with
TX IP checksumming in ENETC, but TX checksumming in itself is broken and
was removed from this driver in commit 82728b91f1 ("enetc: Remove Tx
checksumming offload code").

The blamed commit declared NETIF_F_HW_CSUM in dev->features to comply
with software TSO's expectations, and still did the checksumming in
software by calling skb_checksum_help(). So there isn't any restriction
for the Time-Specified Departure feature.

However, enetc_setup_tc_txtime() doesn't understand that, and blindly
looks for NETIF_F_CSUM_MASK.

Instead of checking for things which can literally never happen in the
current code base, just remove the check and let the driver offload
tc-etf qdiscs.

Fixes: acede3c5da ("net: enetc: declare NETIF_F_HW_CSUM and do it in software")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20220427203017.1291634-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-28 09:45:48 -07:00
2022-04-17 13:57:31 -07:00

Linux kernel
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