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3e4fa7b56a7d5c78e8818a51a69b395512db5e52
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122 Commits

Author SHA1 Message Date
Bhadram Varka
3e4fa7b56a nvethernet: change MTU only if DEBUG_MACSEC enable 
Bug 200730979

Change-Id: I87cfdff095a2c4ce34362adc538e8311b1ece844
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2537482
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
 2022-11-01 14:27:08 +05:30
nannaiah
975e946c85 nvethernet: Add workqueue to set Rx mode. 
Issue:
Network RTNL lock disables scheduler which causes IVC hang.

Fix:
- Add workqueue to set Rx mode.
- Change IVC spinlock to workqueue.
- Add virtualization check for macsec clk init.
- Add Read & Write Register.

Bug 2694285

Change-Id: I8354b500c62c0145eeed9a66bfcc8227fc8999e7
Signed-off-by: Nagaraj annaiah <nannaiah@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2520309
 2022-11-01 14:27:08 +05:30
Mahesh Patil
c804eef959 nvethernet: Reduce mtu if macsec enabled 
Reduce mtu size due to macsec sectag in probe and change_mtu call
instead of open call to avoid wrong update of mtu size when interface up/down
is performed.

Bug 200730979

Change-Id: I17198d25295bc40d37204f5d0603696a0071f490
Signed-off-by: Mahesh Patil <maheshp@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2529412
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-11-01 14:27:08 +05:30
Bhadram Varka
a79b1f58c0 nvethernet: support for page pool 
Add support for page pool and
enable it when CONFIG_PAGE_POOL
config got enabled.

Bug 200686236

Change-Id: I08efd68106182f65eac4e24b9f55baa22ce5968b
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Signed-off-by: Mohan Thadikamalla <mohant@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2532360
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
 2022-11-01 14:27:08 +05:30
Rakesh Goyal
7f9b76c903 nvethernet: read MAC address from DT for new platform 
Read index from ethernet DT node to index for MAC
address.

Bug 200724410

Change-Id: I714e73a500b3ce6d7b7a5e31cf48f8d4e239e9cc
Signed-off-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2531839
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
af92743699 nvethernet: update UPHY GBE mode with DT/sysfs 
Bug 3288030

Change-Id: Id700c2b074c3fd8968ac632e84d7cdc0d75d1e32
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2531233
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
38e18d40ec nvethernet: remove bypassing of clks/resets for VDK/uFPGA 
Bug 3288030

Change-Id: I6905f76a73c0cf3df5196768334bf7cd1ba129e9
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2529194
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
719d5641dd nvethernet: add support for MGBE/XPCS clocks 
Bug 3288030

Change-Id: I78c88d86ff99010b3656c62f1074df30c068db66
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2529193
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
ae45ba80a8 nvethernet: add support for XPCS reset 
Bug 3288030

Change-Id: I5e08c266befec52094c508719bff8e8d8e8ef696
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2522194
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
 2022-11-01 14:27:08 +05:30
Rakesh Goyal
848c6a2e9a nvethenret: use GFP_KERNEL instead of GFP_ATOMIC 
Issue:  For set_rx_mode() implementation, current design is creating
        local list nodes with ATOMIC because this call in not in
        Atomic context.

Fix:    Use GFP_KERNEL flag to allocate memory for local list node.

Bug 200729431

Change-Id: I513ddce8a661ab6f465509791101e98c83bc8e96
Signed-off-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2527627
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
 2022-11-01 14:27:08 +05:30
Rakesh Goyal
01d2b3fe51 nvethernet: L2 filter index handling at OSD layer 
Linux OSD code maintaining link list to identify L2
filter added/removed in compare to earlier list.
By doing this OSD sends address and dma channel which
should to be removed from hardware instead of full
list every time.

Bug 200711542
Bug 200711544
Bug 200713215

Change-Id: I95d4dc687c5fd45a6e0bbc3c097e59b90b03b0e5
Signed-off-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2519592
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
dfc705b07b nvethernet: use info log for default settings case 
For TXQ and PTP RX queue, default setting are marked as errors
instead they needs to be marked info level logs.

Bug 200722499

Change-Id: I992a09661eb79a25b48999ef9b154b39be3cbb3d
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2523246
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
 2022-11-01 14:27:08 +05:30
Rakesh Goyal
32ed166339 nvethernet: use L2 filter command to set MAC address 
Issue:
1) Missing support for packet MC/BC packet duplication
2) Remove MAC UC and BC address on ether_close()

Fix:
1) Update OSI_CMD_L2_FILTER structure parameter to support
new algorithm.
2) MAC UC and BC address added to filter from ether_open()
and ether_resume() function.
3) Configure MAC register to support MC/BC packet
duplication

Bug 200711542
Bug 200711544
Bug 200713215

Change-Id: Ie589892de121e5873f5dfa9b9db9bf5c441ece71
Signed-off-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2519591
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
 2022-11-01 14:27:08 +05:30
nannaiah
ca2466ab09 nvethernet: Add fix to support virtualization. 
1. Disable Power Ungate if virtualization is
   enabled.
2. Remove use_stats flag.

Bug 2694285

Signed-off-by: Nagaraj annaiah <nannaiah@nvidia.com>

Change-Id: I76b22ae0459760558b6e2dccc181615d545b629d
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2513958
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Tested-by: Nagaraj Annaiah <nannaiah@nvidia.com>
 2022-11-01 14:27:08 +05:30
rakesh goyal
1c87167250 nvethernet: use single API for ioctl 
To reduce number of external OSI interface APIs,
consolidated all IOCTL API to one interface API.
OSD should use same for all interaction to OSI.

Bug 200671160

Change-Id: I2ada2746f29be6cf396709c2ec12dd96d4a5ca15
Signed-off-by: rakesh goyal <rgoyal@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
d792dda9be nvethernet: use get_core/get_dma API's 
Change-Id: I10506fe522763b9f06b74b52cf2c31a9601cb937
 2022-11-01 14:27:08 +05:30
Mahesh Patil
fb0487286a nvethernet: Reduce 2 byte ethertype from mtu 
Add 2 byte to SECTAG+ICV length to reduce 2 byte mtu size
Bug 200690445

Change-Id: I5136dbc275b03f159fc2e734c646392569f0de49
Signed-off-by: Mahesh Patil <maheshp@nvidia.com>
 2022-11-01 14:27:08 +05:30
Srinivas Ramachandran
805fe9c4fa nvethernet: Add support for MACsec controller 
This commit adds the driver interface for the
MACsec controller. The driver interface is
invoked using generic netlink messages from
userspace MACsec key agreement agent.

Currently sysfs node is added to check the irq
stats for default macsec controller operation.

Bug 2913560

Change-Id: I07b0b778ba1c6674e87b103a3e68e158fea61c2c
Signed-off-by: Srinivas Ramachandran <srinivasra@nvidia.com>
 2022-11-01 14:27:08 +05:30
Mohan Thadikamalla
9f70a55384 nvethernet: Add Multiple DMA channels route 
- Add a new DT node to enable Multiple DMA routing
for netdev MC MAC ddress. Read the DT value
and store it into OSI core private data.
- Add new driver private IOCTL for MC DMA channels
selection as inputs and call ether_set_rx_mode
to update MAC filters with given DMA channels route.

Bug 200565911

Change-Id: I1e65322489e34c4b6318a769dac963073d4887ad
Signed-off-by: Mohan Thadikamalla <mohant@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
65801ffa7b nvethernet: power ungate and reset support for MGBE 
Change-Id: I5bfddc8e7d7c53bca7d74c800f23e0f592c1e3be
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
 2022-11-01 14:27:08 +05:30
Rakesh Goyal
f244049a90 nvethernet: TSN support 
Initialize TSN and ioctl support for configuration

Bug 200561100

Change-Id: Ic8a488de7850b63a593db69e626b19ad139811a1
Signed-off-by: rakesh goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2319819
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
 2022-11-01 14:27:08 +05:30
Rakesh Goyal
59e2c42725 nvethernet: Extend PTP support 
Adding support for one step sync
Adding support for user input from sysfs node

Bug 200562043

Change-Id: I686f035d54c8fb998db968178aca772258830ec7
Signed-off-by: rakesh goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2314229
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
a6520f2194 nvethernet: add support for RSS 
Changes takes care generation Hash key and population
of hash table with necessary information.

It also adds support ethtool to get/set hash key/table.

Bug 200565647

Change-Id: I5d5364bc88f4dea9456919b886dd8ede7f638ae3
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2263899
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
 2022-11-01 14:27:08 +05:30
Mohan Thadikamalla
7f172a52f5 nvethernet: Add PTP RX queue support 
- Define new "nvidia,ptp_rx_queue" DT node entry
- Read "nvidia,ptp_rx_queue" DT node value into
  osi_core->ptp_config.ptp_rx_queue. On no DT
  entry case set this value to "osi_core->mtl_queues[0]"
- Validate "osi_core->ptp_config.ptp_rx_queue" value
  with "osi_core->mtl_queues" array values. If no match
  found give error and set this value to
  "osi_core->mtl_queues[0]"
- Add new private IOCTL command to call OSI RX route API.

Bug 200596985

Change-Id: I2c05d4c6f3f4207d9efd6b6777d29fe2409de1a3
Signed-off-by: Mohan Thadikamalla <mohant@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2312295
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
5ab61e947e nvethernet: Add VLAN add/del actions 
Bug 200565888

Change-Id: I20e33a09af0d64bc5beaa49d83aae98394d6998f
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2313481
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: Mohan Thadikamalla <mohant@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
824a77cfd7 nvethernet: add support for XPCS 
Adds supoort for getting XPCS base address from DT

Bug 200552796
Change-Id: I078f0aeca8a2e10fe1dfba7cf23c6ff285a110d1
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2270581
 2022-11-01 14:27:08 +05:30
Bhadram Varka
29fb064269 nvethernet: add support for MGBE 
Adds support for MGBE based on MAC controller version.
Also integrated MGBE files to Linux build system

Bug 200548572

Change-Id: I1c5a63cb3b843daa60500254e1272449cc2e8e49
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2252647
 2022-11-01 14:27:08 +05:30
Bhadram Varka
93924a32f3 Revert "nvethernet: use single API for ioctl" 
This reverts commit 5bbeaa61e89ee6375a15020f2ef533b5ed66d628.
 2022-11-01 14:27:08 +05:30
nannaiah
8c8eceeeb7 nvethernet: Add IVC fix 
Issue: rt_spinlock causes IVC failures.

Fix:
1. Change rt_spinlock to spinlock.
2. Add timeout to ivc_can_read.

Bug 2694285

Change-Id: Ib603c304e750a33262e8509ed3f869030b934958
Signed-off-by: Nagaraj Annaiah <nannaiah@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2497217
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-11-01 14:27:08 +05:30
rakesh goyal
f4d30eb89b nvethernet: use single API for ioctl 
To reduce number of external OSI interface APIs,
consolidated all IOCTL API to one interface API.
OSD should use same for all interaction to OSI.

Bug 200671160

Change-Id: I05324777c9bd7ed3c167e4f8a629af2e695389d2
Signed-off-by: rakesh goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2493248
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
71fa042ce4 nvethernet: use osi_handle_dma_intr() API 
Bug 200671160

Change-Id: Id293c02529beb7e72ef567508c74c1a7de6bae79
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2497651
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
nannaiah
e411787070 nvethernet: Enable IVC for kernel 5.10 
Bug 2694285

Change-Id: I80a66c86f9cb4974454b41dfde3707ab36e15c24
Signed-off-by: Nagaraj annaiah <nannaiah@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2495280
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-11-01 14:27:08 +05:30
rakesh goyal
9f61b817f7 nvethernet: use raw_spin_lock_* for RT kernel 
Issue:	raw_spin_lock* should be used with RT kernel
Fix:	update code to use raw_spin_lock* APIs instead of
	spin_lock*

Bug 200671160

Change-Id: I5a1d187d2ead6394d97bbdcb41533852b4708afe
Signed-off-by: rakesh goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2493350
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
rakesh goyal
8363bf6e9d nvethernet: update code to use updated get_hw_feat api 
Bug 200671160

Change-Id: If9d1de5c51382ad3bc87e401ddf9b61f52d70254
Signed-off-by: rakesh goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2488876
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
b427be9267 nvethernet: assign OSD ops 
Bug 200620687

Change-Id: I9e0b9b87ba425b446b60576a1ddae938ff514a2f
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2483069
Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-11-01 14:27:08 +05:30
nannaiah
ca57e74aea nvethernet: Add OSD IVC support 
In case of virtualization the OSI functions will be handled
at Ethernet Server. Add IVC support where OSD can send
IVC packets to ethernet server. Ethernet Server parses the
messages and calls the corresponding OSI API.

Bug 2694285

Change-Id: I0f8a23d33fe3fc87e2582101a6bef6f911e1226d
Signed-off-by: Nagaraj Annaiah <nannaiah@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2439193
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
c606c85e93 nvethernet: change ethernet suspend/resume level 
Change suspend_noirq/resume_noirq to suspend/resume
for kernel-5.10. Its observed that facing memory
issues in noirq level.

Bug 200664943

Change-Id: Iece68d11ad947bd30573799f891086eed175f175
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2458118
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
narayanr
958ea205da nvethernet: remove setting of dma_mask 
Issue: Seeing MC errors when setting the DMA mask to 40bit.

Fix: Maximum system mask which can be set on tegra is 39bit
and is enabled by default for all clients. So removing the
setting of DMA mask so that the default value can be used

Bug 200681386

Change-Id: I4820a64c011d92bde2947969fdfa535b692c37ab
Signed-off-by: narayanr <narayanr@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2454950
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bitan Biswas
c86ec7d3e5 iommu: k5.9: remove archdata.iommu accesses 
k5.9 build needs below changes:
read archdata.iommu replaced by iommu_get_domain_for_dev
write archdata.iommu removed as alternative implementation used.

k5.9 build error fixed by explicit include of header <linux/iommu.h>

Change-Id: I464fd4144e4317b10aaa5460482f35e46527339a
Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2400862
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
rakesh goyal
3dd509ad9c nvethernet: fix kernel panic by adding napi_synchronize 
Issue:	Kernel panic if NAPI scheduled in ether_close() path.

Fix:	Disable NAPI before freeing dma resources as well as
	call napi_synchronize() before napi_disable() for
	scheduled NAPI to be completed.

Bug 200650229

Change-Id: I8c57ba90b5094ab3a130ca56221b3e1b16b96025
Signed-off-by: rakesh goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2404266
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-11-01 14:27:08 +05:30
rakesh goyal
3ff1678205 nvethernet: fix Rx DMA suspend issue 
Issue:  DMA will be in suspend state if there is no rx buffer allocation
        happen to HW. If DMA is in suspend state, no interrupt will
        occur for channel which leads to not calling of
	osd_receive_packet().

Fix:    Whenever there is rx buffer kernel memory allocation failure,
	desc will be updated with reserve buffer. This reserved RX buffer
	is already allocated at the time of eqos_open. Aim of same to
	make sure rx DMA always have buffer and not go in suspend state.

Bug 200650229

Change-Id: Ic18d9f8f03c69c142d91288a1a7288d26e1c8b42
Signed-off-by: rakesh goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2399011
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-11-01 14:27:08 +05:30
Sushil Singh
12aeba932b nvethernet:t186 Skip pll_refe clock for t18x 
- skip pll_refe clock dt entry parsing for  MAC version
  less than 5.0. in case of t18x platform.

Bug 200591808

Change-Id: I7ce231db4bcbd62dbe0ac14118581d5eea78e53e
Signed-off-by: Sushil Singh <sushilkumars@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2365249
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
Manish Bhardwaj
45a2dfb57b ethernet: handle return value properly 
Improper handling of return value is causing below crash.

[    2.278898] Unable to handle kernel paging request at virtual address fffffffffffffffe
[    2.287262] Mem abort info:
[    2.289874]   ESR = 0x96000006
[    2.292957]   EC = 0x25: DABT (current EL), IL = 32 bits
[    2.298463]   SET = 0, FnV = 0
[    2.301418]   EA = 0, S1PTW = 0
[    2.304411] Data abort info:
[    2.307042]   ISV = 0, ISS = 0x00000006
[    2.310886]   CM = 0, WnR = 0
[    2.313845] swapper pgtable: 64k pages, 48-bit VAs, pgdp=0000000081710000
[    2.320348] [fffffffffffffffe] pgd=0000000081f50003, pud=0000000081f50003, pmd=0000000000000000
[    2.328919] Internal error: Oops: 96000006 [#1] PREEMPT SMP
[    2.334315] Modules linked in:
[    2.337471] CPU: 6 PID: 1 Comm: swapper/0 Not tainted 5.7.0-tegra #15
[    2.343595] Hardware name: e3550_t194a (DT)
[    2.347800] pstate: 60c00009 (nZCv daif +PAN +UAO)
[    2.352876] pc : ether_probe+0xf84/0x2290
[    2.356981] lr : ether_probe+0xf80/0x2290
[    2.361111] sp : ffff80001218fa70
[    2.364071] x29: ffff80001218fa70 x28: 0000000000000000
[    2.369754] x27: ffff0007c0c1b880 x26: ffff800011591000
[    2.375008] x25: ffff800011177a60 x24: ffff800011591198
[    2.380516] x23: ffff0007c0e8c080 x22: ffff0007c0bee010
[    2.385772] x21: ffff0007c0bee000 x20: ffff800011177000
[    2.391541] x19: ffff800011d15000 x18: ffffffffffffffff
[    2.396620] x17: 0000000000000068 x16: 0000000000000000
[    2.402216] x15: ffff800011d15948 x14: ffff80009218f7c7
[    2.407382] x13: ffff80001218f7d5 x12: ffff800011d2e000
[    2.413065] x11: 0000000005f5e0ff x10: ffff800011d161b8
[    2.418321] x9 : ffff800011890018 x8 : 0000000000000000
[    2.423741] x7 : 0000000000000107 x6 : 000000000000000a
[    2.428822] x5 : 0000000000000003 x4 : fffffffffffffffe
[    2.434527] x3 : 00000000ffffffff x2 : eaa4d7f4484fe300
[    2.439582] x1 : 0000000000000000 x0 : 0000000000000017
[    2.445201] Call trace:
[    2.447638]  ether_probe+0xf84/0x2290
[    2.451157]  platform_drv_probe+0x54/0xa8
[    2.455334]  really_probe+0x110/0x368
[    2.458855]  driver_probe_device+0x5c/0x108
[    2.462856]  device_driver_attach+0x74/0x80
[    2.467056]  __driver_attach+0x8c/0xd8
[    2.470561]  bus_for_each_dev+0x7c/0xd8
[    2.474582]  driver_attach+0x24/0x30
[    2.478081]  bus_add_driver+0x154/0x200
[    2.481764]  driver_register+0x64/0x120
[    2.485783]  __platform_driver_register+0x44/0x50
[    2.490335]  ether_driver_init+0x1c/0x28
[    2.493837]  do_one_initcall+0x60/0x1c0
[    2.498033]  kernel_init_freeable+0x1fc/0x268
[    2.502063]  kernel_init+0x14/0x110
[    2.505561]  ret_from_fork+0x10/0x1c
[    2.509242] Code: b0005820 9106c000 97daf772 f9406fa4 (b9400081)
[    2.515200] ---[ end trace 790e8c45a4a3892a ]---
[    2.519962] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[    2.527641] SMP: stopping secondary CPUs
[    2.531822] Kernel Offset: disabled
[    2.535481] CPU features: 0x080002,2300aa30
[    2.539502] Memory Limit: none
[    2.542576] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]---

Change-Id: I5a526033fc4537886e004561eda2d6c494782bd3
Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2371138
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
Sushil Singh
89b049c619 nvethernet:Get local-mac-address prop from DT node 
Add logic to read local-mac-address property within ethernet DT node
which will be updated by bootloader during boot.
Fall back to using the old property ether-mac in the "chosen" node
if the new one can't be found for backwards-compatibility.

Bug 2739120

Change-Id: I9787614e024d9a844ab7aff6ac17fbe834105a4d
Signed-off-by: Sushil Singh <sushilkumars@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2304592
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
rakesh goyal
b5d381e7ec nvethernet: use vlan priority to select queue 
Adding support to use VLAN priority field
to select correct TX queue. For TX packets which
are for VLAN interface, skb->priority is not used.

Bug 200630202

Change-Id: I4755066ead11e7528a18ee99b1eaba2b7a936d6d
Signed-off-by: rakesh goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2366244
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-by: Mahesh Patil <maheshp@nvidia.com>
Reviewed-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-11-01 14:27:08 +05:30
Mahesh Patil
a7a0aea104 nvethernet: Indicate more Rx frames pending 
Issue: The function osi_process_rx_completions does
       not provide indication whether there are more
       Rx frames in the HW ring to be processed by SW.
       This indication is needed in OSD layers like
       AUTOSAR MCAL driver as per the spec.
Fix:   Add more rx data flag arg to osi_process_rx_completions() call

Bug 3019362

Change-Id: Ic6c524d1f28b543fc164f2176a8e36d52ca8de58
Signed-off-by: Mahesh Patil <maheshp@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2361263
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-11-01 14:27:08 +05:30
Bitan Biswas
0b46274d42 nvethernet : defer probe for reset gpio 
nvethernet comes up before gpio and hence reset gpio error below
seen in galen boot log:
###
[    2.252546] nvethernet 2490000.ethernet: Adding to iommu group 0
[    2.257577] nvethernet 2490000.ethernet: failed to get phy reset gpio
[    2.265533] nvethernet 2490000.ethernet: Ethernet MAC address: 00:04:4b:af:62:37
[    2.271764] libphy: nvethernet_mdio_bus: probed
[    2.275940] mdio_bus 2490000.ethernet: MDIO device at address 0 is missing.
[    2.284469] nvethernet 2490000.ethernet: eth0 (HW ver: 50) created with 1 DMA channels

[    2.548104] GPIO line 510 (gpio_default) hogged as output/high
[    2.553598] GPIO line 511 (gpio_default) hogged as output/high
[    2.558156] gpiochip_setup_dev: registered GPIOs 504 to 511 on device: gpiochip0 (max77620-gpio)
##

Returning -EPROBE_DEFER allows the driver initialization once gpio is initialized.
Ethernet works fine in probe retry call once gpio is up. Hence, the defer probe
is needed.

bug 200617764

Change-Id: Icdcf0d7f0b69c564ecb0b142634b504287db3ea1
Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2348758
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bitan Biswas
0e7b230bab nvidia: drivers: fix linux-5.7-rc5 build 
Fix build linux-5.7-rc5 errors including following:
	- change timespec to timespec64. replace getnstimeofday
	  with ktime_get_ts64
	- replace usage of macro FIELD_SIZEOF with sizeof_field in ethtool.c
	  nvethernet and eqos files.
	- support 2 arguments for of_get_phy_mode call

bug 200617764

Change-Id: I46067d7d36d08ee9556b2722e9ccec707b8853d4
Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2347244
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30
Bhadram Varka
a921c9487b nvethernet: dump HW features through debugfs 
cat /sys/kernel/debug/nvethernet-<interface>/hw_features to
dump the HW features

Bug 200563382

Change-Id: Ifd8eab0564123d1f588241fbadb739e6ef553114
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2338196
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: Rakesh Goyal <rgoyal@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
 2022-11-01 14:27:08 +05:30
Bibhay Ranjan
619f3c7b7d nvethernet: bringup on kernel-5.4 
disable chip-id.h APIs on kernel-5.4 since
the file is still not available.

Back compatible with older kernel versions

Bug 200591808

Change-Id: Ib991ad02ba016ac9f186b5c8afdc8608c780d9be
Signed-off-by: Bibhay Ranjan <bibhayr@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2304494
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2022-11-01 14:27:08 +05:30