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I was debugging some netdev refcount issues in OpenOnload, and one
of the places I was looking at was in the sfc driver. Only
struct efx_async_filter_insertion was not using netdev refcount tracker,
so add it here. GFP_ATOMIC because this code path is called by
ndo_rx_flow_steer which holds RCU.
This patch should be a no-op if !CONFIG_NET_DEV_REFCNT_TRACKER
Signed-off-by: YiFei Zhu <zhuyifei@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20241219173004.2615655-1-zhuyifei@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The latter is the preferred way to copy ethtool strings.
Avoids manually incrementing the pointer. Cleans up the code quite well.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/20241105231855.235894-1-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Siena hardware does not support custom RSS contexts, but when the
driver was forked from sfc.ko, some of the plumbing for them was
copied across from the common code. Actually trying to use them
would lead to EOPNOTSUPP as the relevant efx_nic_type methods were
not populated.
Remove this dead code from the Siena driver.
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240904181156.1993666-1-edward.cree@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update efx->ptp_data to use kernel_hwtstamp_config and implement
ndo_hwtstamp_(get|set). Remove SIOCGHWTSTAMP and SIOCSHWTSTAMP from
efx_ioctl.
Signed-off-by: Alex Austin <alex.austin@amd.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Reviewed-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20231130135826.19018-3-alex.austin@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Delete the redundant word 'in'.
Signed-off-by: wangjianli <wangjianli@cdjrlc.com>
Link: https://lore.kernel.org/r/20220724075207.21080-1-wangjianli@cdjrlc.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Normally, all channels have RX and TX queues, but this is not true if
modparam efx_separate_tx_channels=1 is used. In that cases, some
channels only have RX queues and others only TX queues (or more
preciselly, they have them allocated, but not initialized).
Fix efx_channel_has_tx_queues to return the correct value for this case
too.
This has been already done for sfc, do it also for sfc_siena.
Messages shown at probe time before the fix:
sfc 0000:03:00.0 ens6f0np0: MC command 0x82 inlen 544 failed rc=-22 (raw=0) arg=0
------------[ cut here ]------------
netdevice: ens6f0np0: failed to initialise TXQ -1
WARNING: CPU: 1 PID: 626 at drivers/net/ethernet/sfc/ef10.c:2393 efx_ef10_tx_init+0x201/0x300 [sfc]
[...] stripped
RIP: 0010:efx_ef10_tx_init+0x201/0x300 [sfc]
[...] stripped
Call Trace:
efx_init_tx_queue+0xaa/0xf0 [sfc]
efx_start_channels+0x49/0x120 [sfc]
efx_start_all+0x1f8/0x430 [sfc]
efx_net_open+0x5a/0xe0 [sfc]
__dev_open+0xd0/0x190
__dev_change_flags+0x1b3/0x220
dev_change_flags+0x21/0x60
[...] stripped
Messages shown at remove time before the fix:
sfc 0000:03:00.0 ens6f0np0: failed to flush 10 queues
sfc 0000:03:00.0 ens6f0np0: failed to flush queues
Fixes: 8700aff08984 ("sfc: fix channel allocation with brute force")
Reported-by: Tianhao Zhao <tizhao@redhat.com>
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Tested-by: Íñigo Huguet <ihuguet@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a Siena Kconfig option and use it in stead of the sfc one.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a Siena Kconfig option and use it in stead of the sfc one.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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For siena use efx_siena_ as the function prefix.
This patch covers selftest.h, ptp.h, net_driver.h and ethtool_common.h.
efx_ethtool_fill_self_tests() can become static.
Some functions in ptp.c can also become static.
Rename loopback_mode in net_driver.h.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When building with allyesconfig there are many identical
symbol names.
For siena use efx_siena_ as the function and variable prefix
to avoid build errors.
efx_mtd_remove_partition can become static as it is no longer called
from other files.
efx_ticks_to_usecs and efx_xmit_done_single are not used in Siena, so
they are removed.
Several functions are only used inside efx_channels.c for Siena so
they can become static.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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These are the files starting with m through w.
No changes are done, those will be done with subsequent commits.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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