linux-stable.git/drivers/net/ethernet, branch linux-6.14.y Linux kernel stable tree net: ethernet: ti: am65-cpsw: Lower random mac address error print to info 2025-06-04T12:45:11+00:00 Nishanth Menon nm@ti.com 2025-05-16T12:26:55+00:00 725c5d0b919a6a53267670ae061d92876a73363d [ Upstream commit 50980d8da71a0c2e045e85bba93c0099ab73a209 ] Using random mac address is not an error since the driver continues to function, it should be informative that the system has not assigned a MAC address. This is inline with other drivers such as ax88796c, dm9051 etc. Drop the error level to info level. Signed-off-by: Nishanth Menon <nm@ti.com> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Roger Quadros <rogerq@kernel.org> Link: https://patch.msgid.link/20250516122655.442808-1-nm@ti.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 50980d8da71a0c2e045e85bba93c0099ab73a209 ]

Using random mac address is not an error since the driver continues to
function, it should be informative that the system has not assigned
a MAC address. This is inline with other drivers such as ax88796c,
dm9051 etc. Drop the error level to info level.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://patch.msgid.link/20250516122655.442808-1-nm@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
octeontx2: hide unused label 2025-05-29T09:14:06+00:00 Arnd Bergmann arnd@arndb.de 2025-02-19T16:21:14+00:00 a710e32d0fe65e47cafae204f71a8167788738e4 commit ca57d1c56f4015d83fe7840b41d74783ee900b28 upstream. A previous patch introduces a build-time warning when CONFIG_DCB is disabled: drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c: In function 'otx2_probe': drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:3217:1: error: label 'err_free_zc_bmap' defined but not used [-Werror=unused-label] drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c: In function 'otx2vf_probe': drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c:740:1: error: label 'err_free_zc_bmap' defined but not used [-Werror=unused-label] Add the same #ifdef check around it. Fixes: efabce290151 ("octeontx2-pf: AF_XDP zero copy receive support") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Suman Ghosh <sumang@marvell.com> Link: https://patch.msgid.link/20250219162239.1376865-1-arnd@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit ca57d1c56f4015d83fe7840b41d74783ee900b28 upstream.

A previous patch introduces a build-time warning when CONFIG_DCB
is disabled:

drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c: In function 'otx2_probe':
drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:3217:1: error: label 'err_free_zc_bmap' defined but not used [-Werror=unused-label]
drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c: In function 'otx2vf_probe':
drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c:740:1: error: label 'err_free_zc_bmap' defined but not used [-Werror=unused-label]

Add the same #ifdef check around it.

Fixes: efabce290151 ("octeontx2-pf: AF_XDP zero copy receive support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Suman Ghosh <sumang@marvell.com>
Link: https://patch.msgid.link/20250219162239.1376865-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
octeontx2-af: Fix APR entry mapping based on APR_LMT_CFG 2025-05-29T09:14:00+00:00 Geetha sowjanya gakula@marvell.com 2025-05-21T06:08:34+00:00 f331f743838fdf03792ca7f5e849121d481c5957 [ Upstream commit a6ae7129819ad20788e610261246e71736543b8b ] The current implementation maps the APR table using a fixed size, which can lead to incorrect mapping when the number of PFs and VFs varies. This patch corrects the mapping by calculating the APR table size dynamically based on the values configured in the APR_LMT_CFG register, ensuring accurate representation of APR entries in debugfs. Fixes: 0daa55d033b0 ("octeontx2-af: cn10k: debugfs for dumping LMTST map table"). Signed-off-by: Geetha sowjanya <gakula@marvell.com> Link: https://patch.msgid.link/20250521060834.19780-3-gakula@marvell.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit a6ae7129819ad20788e610261246e71736543b8b ]

The current implementation maps the APR table using a fixed size,
which can lead to incorrect mapping when the number of PFs and VFs
varies.
This patch corrects the mapping by calculating the APR table
size dynamically based on the values configured in the
APR_LMT_CFG register, ensuring accurate representation
of APR entries in debugfs.

Fixes: 0daa55d033b0 ("octeontx2-af: cn10k: debugfs for dumping LMTST map table").
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Link: https://patch.msgid.link/20250521060834.19780-3-gakula@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
octeontx2-af: Set LMT_ENA bit for APR table entries 2025-05-29T09:14:00+00:00 Subbaraya Sundeep sbhatta@marvell.com 2025-05-21T06:08:33+00:00 124170856146ece7aae0bc55c294d90fc7adab4f [ Upstream commit 0eefa27b493306928d88af6368193b134c98fd64 ] This patch enables the LMT line for a PF/VF by setting the LMT_ENA bit in the APR_LMT_MAP_ENTRY_S structure. Additionally, it simplifies the logic for calculating the LMTST table index by consistently using the maximum number of hw supported VFs (i.e., 256). Fixes: 873a1e3d207a ("octeontx2-af: cn10k: Setting up lmtst map table"). Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Geetha sowjanya <gakula@marvell.com> Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Link: https://patch.msgid.link/20250521060834.19780-2-gakula@marvell.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 0eefa27b493306928d88af6368193b134c98fd64 ]

This patch enables the LMT line for a PF/VF by setting the
LMT_ENA bit in the APR_LMT_MAP_ENTRY_S structure.

Additionally, it simplifies the logic for calculating the
LMTST table index by consistently using the maximum
number of hw supported VFs (i.e., 256).

Fixes: 873a1e3d207a ("octeontx2-af: cn10k: Setting up lmtst map table").
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Link: https://patch.msgid.link/20250521060834.19780-2-gakula@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
octeontx2-pf: Avoid adding dcbnl_ops for LBK and SDP vf 2025-05-29T09:14:00+00:00 Suman Ghosh sumang@marvell.com 2025-05-19T07:26:58+00:00 22079d5ae4a33679150f7de89f4107f4e0446886 [ Upstream commit 184fb40f731bd3353b0887731f7caba66609e9cd ] Priority flow control is not supported for LBK and SDP vf. This patch adds support to not add dcbnl_ops for LBK and SDP vf. Fixes: 8e67558177f8 ("octeontx2-pf: PFC config support with DCBx") Signed-off-by: Suman Ghosh <sumang@marvell.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250519072658.2960851-1-sumang@marvell.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 184fb40f731bd3353b0887731f7caba66609e9cd ]

Priority flow control is not supported for LBK and SDP vf. This patch
adds support to not add dcbnl_ops for LBK and SDP vf.

Fixes: 8e67558177f8 ("octeontx2-pf: PFC config support with DCBx")
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250519072658.2960851-1-sumang@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
octeontx2-pf: AF_XDP zero copy receive support 2025-05-29T09:14:00+00:00 Suman Ghosh sumang@marvell.com 2025-02-13T05:31:38+00:00 9bd7273cf1f9c5761d696cca821d25602e8f7009 [ Upstream commit efabce29015189cb5cd8066cf29eb1d754de6c3c ] This patch adds support to AF_XDP zero copy for CN10K. This patch specifically adds receive side support. In this approach once a xdp program with zero copy support on a specific rx queue is enabled, then that receive quse is disabled/detached from the existing kernel queue and re-assigned to the umem memory. Signed-off-by: Suman Ghosh <sumang@marvell.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Stable-dep-of: 184fb40f731b ("octeontx2-pf: Avoid adding dcbnl_ops for LBK and SDP vf") Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit efabce29015189cb5cd8066cf29eb1d754de6c3c ]

This patch adds support to AF_XDP zero copy for CN10K.
This patch specifically adds receive side support. In this approach once
a xdp program with zero copy support on a specific rx queue is enabled,
then that receive quse is disabled/detached from the existing kernel
queue and re-assigned to the umem memory.

Signed-off-by: Suman Ghosh <sumang@marvell.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Stable-dep-of: 184fb40f731b ("octeontx2-pf: Avoid adding dcbnl_ops for LBK and SDP vf")
Signed-off-by: Sasha Levin <sashal@kernel.org>
octeontx2-pf: Add AF_XDP non-zero copy support 2025-05-29T09:13:59+00:00 Suman Ghosh sumang@marvell.com 2025-02-13T05:31:37+00:00 53e37d3dc810d5c4dc669a1448ac933c27603952 [ Upstream commit b4164de5041b51cda3438e75bce668e2556057c3 ] Set xdp rx ring memory type as MEM_TYPE_PAGE_POOL for af-xdp to work. This is needed since xdp_return_frame internally will use page pools. Fixes: 06059a1a9a4a ("octeontx2-pf: Add XDP support to netdev PF") Signed-off-by: Suman Ghosh <sumang@marvell.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Stable-dep-of: 184fb40f731b ("octeontx2-pf: Avoid adding dcbnl_ops for LBK and SDP vf") Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit b4164de5041b51cda3438e75bce668e2556057c3 ]

Set xdp rx ring memory type as MEM_TYPE_PAGE_POOL for
af-xdp to work. This is needed since xdp_return_frame
internally will use page pools.

Fixes: 06059a1a9a4a ("octeontx2-pf: Add XDP support to netdev PF")
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Stable-dep-of: 184fb40f731b ("octeontx2-pf: Avoid adding dcbnl_ops for LBK and SDP vf")
Signed-off-by: Sasha Levin <sashal@kernel.org>
octeontx2-pf: use xdp_return_frame() to free xdp buffers 2025-05-29T09:13:59+00:00 Suman Ghosh sumang@marvell.com 2025-02-13T05:31:36+00:00 f5462663684d2380ab33e6a7812399477805ead8 [ Upstream commit 94c80f748873514af27b9fac3f72acafcde3bcd6 ] xdp_return_frames() will help to free the xdp frames and their associated pages back to page pool. Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Suman Ghosh <sumang@marvell.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Stable-dep-of: 184fb40f731b ("octeontx2-pf: Avoid adding dcbnl_ops for LBK and SDP vf") Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 94c80f748873514af27b9fac3f72acafcde3bcd6 ]

xdp_return_frames() will help to free the xdp frames and their
associated pages back to page pool.

Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Stable-dep-of: 184fb40f731b ("octeontx2-pf: Avoid adding dcbnl_ops for LBK and SDP vf")
Signed-off-by: Sasha Levin <sashal@kernel.org>
idpf: fix idpf_vport_splitq_napi_poll() 2025-05-29T09:13:59+00:00 Eric Dumazet edumazet@google.com 2025-05-20T12:40:30+00:00 0dfa008f7cb8f261dfb81e310cda1f9b620e6c63 [ Upstream commit 407e0efdf8baf1672876d5948b75049860a93e59 ] idpf_vport_splitq_napi_poll() can incorrectly return @budget after napi_complete_done() has been called. This violates NAPI rules, because after napi_complete_done(), current thread lost napi ownership. Move the test against POLL_MODE before the napi_complete_done(). Fixes: c2d548cad150 ("idpf: add TX splitq napi poll support") Reported-by: Peter Newman <peternewman@google.com> Closes: https://lore.kernel.org/netdev/20250520121908.1805732-1-edumazet@google.com/T/#u Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Joshua Hay <joshua.a.hay@intel.com> Cc: Alan Brady <alan.brady@intel.com> Cc: Madhu Chittim <madhu.chittim@intel.com> Cc: Phani Burra <phani.r.burra@intel.com> Cc: Pavan Kumar Linga <pavan.kumar.linga@intel.com> Link: https://patch.msgid.link/20250520124030.1983936-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 407e0efdf8baf1672876d5948b75049860a93e59 ]

idpf_vport_splitq_napi_poll() can incorrectly return @budget
after napi_complete_done() has been called.

This violates NAPI rules, because after napi_complete_done(),
current thread lost napi ownership.

Move the test against POLL_MODE before the napi_complete_done().

Fixes: c2d548cad150 ("idpf: add TX splitq napi poll support")
Reported-by: Peter Newman <peternewman@google.com>
Closes: https://lore.kernel.org/netdev/20250520121908.1805732-1-edumazet@google.com/T/#u
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Joshua Hay <joshua.a.hay@intel.com>
Cc: Alan Brady <alan.brady@intel.com>
Cc: Madhu Chittim <madhu.chittim@intel.com>
Cc: Phani Burra <phani.r.burra@intel.com>
Cc: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Link: https://patch.msgid.link/20250520124030.1983936-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
net: lan743x: Restore SGMII CTRL register on resume 2025-05-29T09:13:59+00:00 Thangaraj Samynathan thangaraj.s@microchip.com 2025-05-16T03:57:19+00:00 afe9d6c208efdfdf63f8220845b2e60201ca5749 [ Upstream commit 293e38ff4e4c2ba53f3fd47d8a4a9f0f0414a7a6 ] SGMII_CTRL register, which specifies the active interface, was not properly restored when resuming from suspend. This led to incorrect interface selection after resume particularly in scenarios involving the FPGA. To fix this: - Move the SGMII_CTRL setup out of the probe function. - Initialize the register in the hardware initialization helper function, which is called during both device initialization and resume. This ensures the interface configuration is consistently restored after suspend/resume cycles. Fixes: a46d9d37c4f4f ("net: lan743x: Add support for SGMII interface") Signed-off-by: Thangaraj Samynathan <thangaraj.s@microchip.com> Link: https://patch.msgid.link/20250516035719.117960-1-thangaraj.s@microchip.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 293e38ff4e4c2ba53f3fd47d8a4a9f0f0414a7a6 ]

SGMII_CTRL register, which specifies the active interface, was not
properly restored when resuming from suspend. This led to incorrect
interface selection after resume particularly in scenarios involving
the FPGA.

To fix this:
- Move the SGMII_CTRL setup out of the probe function.
- Initialize the register in the hardware initialization helper function,
which is called during both device initialization and resume.

This ensures the interface configuration is consistently restored after
suspend/resume cycles.

Fixes: a46d9d37c4f4f ("net: lan743x: Add support for SGMII interface")
Signed-off-by: Thangaraj Samynathan <thangaraj.s@microchip.com>
Link: https://patch.msgid.link/20250516035719.117960-1-thangaraj.s@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>