net: fec: implement TSO descriptor cleanup

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[ Upstream commit 61dc1fd920 ]

Implement cleanup of descriptors in the TSO error path of
fec_enet_txq_submit_tso(). The cleanup

- Unmaps DMA buffers for data descriptors skipping TSO header
- Clears all buffer descriptors
- Handles extended descriptors by clearing cbd_esc when enabled

Fixes: 79f339125e ("net: fec: Add software TSO support")
Signed-off-by: Dheeraj Reddy Jonnalagadda <dheeraj.linuxdev@gmail.com>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Link: https://patch.msgid.link/20250120085430.99318-1-dheeraj.linuxdev@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Dheeraj Reddy Jonnalagadda 2025-01-20 14:24:30 +05:30 • committed by Greg Kroah-Hartman

parent bbd4c81ff6

commit b3c4360329

1 changed files with 30 additions and 1 deletions

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drivers/net/ethernet/freescale/fec_main.c

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