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The VLAN hash filters of ENETC v1 and v4 are basically the same, the only
difference is that the offset of the VLAN hash filter registers has been
changed in ENETC v4. So some functions like enetc_vlan_rx_add_vid() and
enetc_vlan_rx_del_vid() only need to be slightly modified to be reused
by ENETC v4. Currently, we just move these functions from enetc_pf.c to
enetc_pf_common.c. Appropriate modifications will be made for ENETC4 in
a subsequent patch.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20250506080735.3444381-13-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since the offset of the RSS key registers of i.MX95 ENETC is different
from that of LS1028A, so add enetc_get_rss_key_base() to get the base
offset for the different chips, so that enetc_set_rss_key() can be
reused for this trivial thing.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20250506080735.3444381-8-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The i.MX95 ENETC has been upgraded to revision 4.1, which is different
from the LS1028A ENETC (revision 1.0) except for the SI part. Therefore,
the fsl-enetc driver is incompatible with i.MX95 ENETC PF. So add new
nxp-enetc4 driver to support i.MX95 ENETC PF, and this driver will be
used to support the ENETC PF with major revision 4 for other SoCs in the
future.
Currently, the nxp-enetc4 driver only supports basic transmission feature
for i.MX95 ENETC PF, the more basic and advanced features will be added
in the subsequent patches. In addition, PCS support has not been added
yet, so 10G ENETC (ENETC instance 2) is not supported now.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Compile enetc_pf_common.c as a standalone module to allow shared usage
between ENETC v1 and v4 PF drivers. Add struct enetc_pf_ops to register
different hardware operation interfaces for both ENETC v1 and v4 PF
drivers.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ENETC PF driver of LS1028A (rev 1.0) is incompatible with the version
used on the i.MX95 platform (rev 4.1), except for the station interface
(SI) part. To reduce code redundancy and prepare for a new driver for rev
4.1 and later, extract shared interfaces from enetc_pf.c and move them to
enetc_pf_common.c. This refactoring lays the groundwork for compiling
enetc_pf_common.c into a shared driver for both platforms' PF drivers.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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