net: fec: transmit XDP frames in bulk

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Currently, the driver writes the ENET_TDAR register for every XDP frame
to trigger transmit start. Frequent MMIO writes consume more CPU cycles
and may reduce XDP TX performance, so transmit XDP frames in bulk.

Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260205085742.2685134-9-wei.fang@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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Wei Fang 2026-02-05 16:57:35 +08:00 • committed by Paolo Abeni

parent 8a3344bb73

commit 2ff7a7d392

1 changed files with 9 additions and 3 deletions

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drivers/net/ethernet/freescale/fec_main.c

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