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| /openbmc/linux/drivers/net/ethernet/freescale/enetc/ |
| H A D | enetc.c | diff d075db51e013a7a6bea189c7f6824f458b621626 Tue Jan 17 17:02:28 CST 2023 Vladimir Oltean <vladimir.oltean@nxp.com> net: enetc: bring "bool extended" to top-level in enetc_open()
Extended RX buffer descriptors are necessary if they carry RX
timestamps, which will be true when PTP timestamping is enabled.
Right now, the rx_ring->ext_en is set from the function that allocates
ring resources (enetc_alloc_rx_resources() -> enetc_alloc_rxbdr()), and
also used later, in enetc_setup_rxbdr(). It is also used in the
enetc_rxbd() and enetc_rxbd_next() fast path helpers.
We want to decouple resource allocation from BD ring setup, but both
procedures depend on BD size (extended or not). Move the "extended"
boolean to enetc_open() and pass it both to the RX allocation procedure
as well as to the RX ring setup procedure. The latter will set
rx_ring->ext_en from now on.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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