nvidia-tegra-modules.git/drivers/net/ethernet, branch gpu-paging NVIDIA's kernel modules to support tegra chips (used in Jetson boards) eqos: stop mac,phy,clk in eqos open/resume fail 2021-11-09T15:55:20+00:00 Sushil Singh sushilkumars@nvidia.com 2021-07-21T16:30:08+00:00 9bece2068e94f42de0bac7733fc63872853d5933 Issue: - failure cases during ifconfig up and eqos resume paths skips stopping mac, phy and disabling clocks. Fix: - Add corresponding deinit code for MAC/PHY and clocks disable during ifconfig up and resume failures. Bug 200745168 Change-Id: I82cbbcf1adffa78c989ffd25abd0a015cb687a2c Signed-off-by: Sushil Singh <sushilkumars@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2562581 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: Mohan Thadikamalla <mohant@nvidia.com> Reviewed-by: Bhadram Varka <vbhadram@nvidia.com> Reviewed-by: Ashutosh Jha <ajha@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit 
Issue:
- failure cases during ifconfig up and eqos resume paths skips
  stopping mac, phy and disabling clocks.

Fix:
- Add corresponding deinit code for MAC/PHY and clocks disable
  during ifconfig up and resume failures.

Bug 200745168

Change-Id: I82cbbcf1adffa78c989ffd25abd0a015cb687a2c
Signed-off-by: Sushil Singh <sushilkumars@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2562581
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Mohan Thadikamalla <mohant@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
net: eqos: ethtool: resolve the fixed ptp clock issue 2021-10-21T14:10:13+00:00 Wayne Wang(SW-TEGRA) waywang@nvidia.com 2021-10-18T05:56:53+00:00 0899e4aa2a41b66c2ff465c8fdfb86f2f2954d71 When using ethtool to determine which ptp clock is register to the eqos. It will always report ptp0. And it may not be true. This causes issues when using ptp4l as the clocks do not line up with the interfaces. Bug 3392620 Change-Id: I97192952817dadea9ce795cff548e97d2cd65477 Signed-off-by: Wayne Wang(SW-TEGRA) <waywang@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2612151 Reviewed-by: Sushil Kumar Singh <sushilkumars@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
When using ethtool to determine which ptp clock is register to the eqos. It will always report ptp0.
And it may not be true.

This causes issues when using ptp4l as the clocks do not line up with the interfaces.

Bug 3392620
Change-Id: I97192952817dadea9ce795cff548e97d2cd65477
Signed-off-by: Wayne Wang(SW-TEGRA) <waywang@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2612151
Reviewed-by: Sushil Kumar Singh <sushilkumars@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
rel-32:eqos Drop Rx pkt if MTU and pkt len differs 2021-10-15T23:54:31+00:00 Sushil Singh sushilkumars@nvidia.com 2021-09-29T15:02:31+00:00 85696c17b91a5e30a621ffa3ed71623559f46ab9 Issue: The len of buffers allocated is based on the MTU configured at the DUT. In case a Rx packet received is more than the MTU configured, then the packet appears in the ring with LD bit set which further gets processed even if the buffers length allocated is less than the received packet len. The frame hence consumes more than 1 rx desc and kfree for an skb with no LD bit set and neither error bits set got called causing kernel panic. Fix: Drops such pkts for which the configured MTU and received pkt len is different to avoid packects consuming more than 1 rx desc, and always accommodate single packet in single rx desc buffer. Bug 200712686 Change-Id: I798185ff584507fc31906c0977d3c53e447ae48f Signed-off-by: Sushil Singh <sushilkumars@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2602767 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: Bhadram Varka <vbhadram@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 
Issue:

The len of buffers allocated is based on the MTU configured at the DUT.
In case a Rx packet received is more than the MTU configured, then
the packet appears in the ring with LD bit set which further gets
processed even if the buffers length allocated is less than the
received packet len. The frame hence consumes more than 1 rx desc and
kfree for an skb with no LD bit set and neither error bits set got called
causing kernel panic.

Fix:

Drops such pkts for which the configured MTU and received pkt
len is different to avoid packects consuming more than 1 rx
desc, and always accommodate single packet in single rx desc buffer.

Bug 200712686

Change-Id: I798185ff584507fc31906c0977d3c53e447ae48f
Signed-off-by: Sushil Singh <sushilkumars@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2602767
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@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
eqos: remove sequence 2021-09-02T00:24:26+00:00 dmitry pervushin dpervushin@nvidia.com 2021-08-17T15:25:27+00:00 374968c560cade891cd222623955fb3422de469e removing of any module should be supported, eqos is not an exception Bug 200763721 Change-Id: I1e98154be068e43370f703e7ae216b1f1d4916c1 Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2578062 Reviewed-by: Hardik T Shah <hardikts@nvidia.com> Reviewed-by: Amrita Deshmukh <amritad@nvidia.com> Signed-off-by: dmitry pervushin <dpervushin@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2586706 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: Phoenix Jung <pjung@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
removing of any module should be supported, eqos is not an exception

Bug 200763721

Change-Id: I1e98154be068e43370f703e7ae216b1f1d4916c1
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2578062
Reviewed-by: Hardik T Shah <hardikts@nvidia.com>
Reviewed-by: Amrita Deshmukh <amritad@nvidia.com>
Signed-off-by: dmitry pervushin <dpervushin@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2586706
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Phoenix Jung <pjung@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
EQOS: Enable DMA selection with filtering. 2021-08-13T20:11:13+00:00 Achal Verma achalv@nvidia.com 2021-06-25T07:57:41+00:00 a17fd4c3052cb2af717bc17d4451e6562a7a6ee4 This change allows to configure filtering such that specified DMA channel is selected for packets which match filtering criteria. Bug 200743454 Change-Id: If990de0b499c36466258ce7f7cd79e1abe717537 Signed-off-by: Achal Verma <achalv@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2575326 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Phoenix Jung <pjung@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit 
This change allows to configure filtering such that
specified  DMA channel is selected for packets which
match filtering criteria.

Bug 200743454

Change-Id: If990de0b499c36466258ce7f7cd79e1abe717537
Signed-off-by: Achal Verma <achalv@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2575326
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Phoenix Jung <pjung@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
eqos: use reset_control_reset() API 2021-07-16T19:54:19+00:00 Bhadram Varka vbhadram@nvidia.com 2021-07-07T12:11:05+00:00 2384e0955aadd88213e09a59d665d8223d3d2188 Issue: reset_control_deassert() will release the reset if its in reset. But EQOS deassrted by bootloader if the TFTP boot used. So reset_control_deassert() is NOP from the driver. Fix: Use reset_control_reset() to reset the IP. Bug 3323583 Change-Id: I00be4551a57048aa968f6bd6ca96b9bb9cee22c9 Signed-off-by: Bhadram Varka <vbhadram@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2555300 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com> Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com> Reviewed-by: Sushil Kumar Singh <sushilkumars@nvidia.com> Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: Sushil Kumar Singh <sushilkumars@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit 
Issue: reset_control_deassert() will release the reset
if its in reset. But EQOS deassrted by bootloader if
the TFTP boot used. So reset_control_deassert() is NOP
from the driver.

Fix: Use reset_control_reset() to reset the IP.

Bug 3323583

Change-Id: I00be4551a57048aa968f6bd6ca96b9bb9cee22c9
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2555300
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-by: Sushil Kumar Singh <sushilkumars@nvidia.com>
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: Sushil Kumar Singh <sushilkumars@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
eqos: Restore WoL settings for full Ubuntu Image 2021-06-28T20:54:06+00:00 Sushil Singh sushilkumars@nvidia.com 2021-06-15T12:51:07+00:00 975d3589b81ea7704447e6e74a8e1aa64dd55729 - Save WoL setting (if WoL is enabled) in eqos ethtool ops callback to restore on eqos suspend/resume. Bug 200670750 Change-Id: I5c7fa883fb9be326f6450e8c00ab4ea543781ce2 Signed-off-by: Sushil Singh <sushilkumars@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2545346 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: Bhadram Varka <vbhadram@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
- Save WoL setting (if WoL is enabled) in eqos ethtool ops callback
  to restore on eqos suspend/resume.

Bug 200670750

Change-Id: I5c7fa883fb9be326f6450e8c00ab4ea543781ce2
Signed-off-by: Sushil Singh <sushilkumars@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2545346
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
eqos: use phy reset low power mode from DT 2021-05-13T01:43:36+00:00 Sushil Singh sushilkumars@nvidia.com 2020-11-18T10:15:53+00:00 38cd360781ca67b686829d8dd3d8023d0d7c13dc Issue: Some ethernet PHY consume low power only when they are put in reset mode otherwise power consumption is high. Fix: Add DT flag which can be set for the PHYs which consume low power when they are in reset. Driver puts those phy chip to reset mode for low power consumption state if the corresponding dt flag is set, else use supported low power mode operation for the selected phy. Default operation is to use phy reset mode for low power consumption. Bug 200627703 Change-Id: If86c37b43c8f737c332c46188ab2e91ae9c72343 Signed-off-by: Sushil Singh <sushilkumars@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2447746 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Bhadram Varka <vbhadram@nvidia.com> Reviewed-by: Nagaraj Annaiah <nannaiah@nvidia.com> Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit Tested-by: Aaron Tian <atian@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
Issue:
Some ethernet PHY consume low power only when
they are put in reset mode otherwise power
consumption is high.

Fix:
Add DT flag which can be set for the PHYs which
consume low power when they are in reset. Driver
puts those phy chip to reset mode for low power
consumption state if the corresponding dt flag is
set, else use supported low power mode operation
for the selected phy. Default operation is to use
phy reset mode for low power consumption.

Bug 200627703

Change-Id: If86c37b43c8f737c332c46188ab2e91ae9c72343
Signed-off-by: Sushil Singh <sushilkumars@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2447746
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: Nagaraj Annaiah <nannaiah@nvidia.com>
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Aaron Tian <atian@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
eqos:Fix logically dead code 2021-03-30T20:41:09+00:00 Smriti Sharma smritis@nvidia.com 2021-01-26T17:16:32+00:00 6707e22ced5f84d164e8ed5ad86d2075c054ecf9 use_riwt should be EQOS_COAELSCING_DISABLE if not found in DT This fix coverity issue : 10075170 Bug 200689436 Change-Id: I6937377a9aefc161d9ee6369cfd185aaa4e4c6be Signed-off-by: Smriti Sharma <smritis@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2475681 Reviewed-by: Dmitry Pervushin <dpervushin@nvidia.com> Reviewed-by: Rahul Jain (SW-TEGRA) <rahuljain@nvidia.com> (cherry picked from commit 2961b3c74e78942ec8c298da536a5e088744b486) Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2475670 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Phoenix Jung <pjung@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit 
use_riwt should be  EQOS_COAELSCING_DISABLE if not found in DT

This fix coverity issue : 10075170

Bug 200689436

Change-Id: I6937377a9aefc161d9ee6369cfd185aaa4e4c6be
Signed-off-by: Smriti Sharma <smritis@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2475681
Reviewed-by: Dmitry Pervushin <dpervushin@nvidia.com>
Reviewed-by: Rahul Jain (SW-TEGRA) <rahuljain@nvidia.com>
(cherry picked from commit 2961b3c74e78942ec8c298da536a5e088744b486)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2475670
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Phoenix Jung <pjung@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
PCI: tvnet: Add PM support for tvnet driver 2021-02-18T18:10:02+00:00 Manikanta Maddireddy mmaddireddy@nvidia.com 2021-01-12T16:48:04+00:00 7d3a870268c697064c9f437e34122151be559478 Add PM support to enable suspend to RAM support for Tegra virtual Ethernet over PCIe in RP system. Bug 3216243 Change-Id: I39e023c6c890699b082f6761dd2955b19659da16 Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2469498 Reviewed-by: Vidya Sagar <vidyas@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> GVS: Gerrit_Virtual_Submit 
Add PM support to enable suspend to RAM support for Tegra virtual Ethernet
over PCIe in RP system.

Bug 3216243

Change-Id: I39e023c6c890699b082f6761dd2955b19659da16
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2469498
Reviewed-by: Vidya Sagar <vidyas@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit