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[ Upstream commit 9a4a1cdc5ab52118c1f2b216f4240830b6528d32 ]
The Supported Pause Frame always display "No" even though the Advertised
pause frame showing the correct setting based on the pause parameters via
ethtool. Set bit in link_ksettings to "Supported" for Pause Frame.
Before output:
Supported pause frame use: No
Expected output:
Supported pause frame use: Symmetric
Fixes: 8c5ad0dae93c ("igc: Add ethtool support")
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Reviewed-by: Malli C <mallikarjuna.chilakala@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8876529465c368beafd51a70f79d7a738f2aadf4 ]
Fix Pause Frame Advertising when getting the advertisement via ethtool.
Remove setting the "advertising" bit in link_ksettings during default
case when Tx and Rx are in off state with Auto Negotiate off.
Below is the original output of advertisement link during Tx and Rx off:
Advertised pause frame use: Symmetric Receive-only
Expected output:
Advertised pause frame use: No
Fixes: 8c5ad0dae93c ("igc: Add ethtool support")
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Reviewed-by: Malli C <mallikarjuna.chilakala@intel.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 2e99dedc73f004f650b197c9b269c15c7e01ad15 upstream.
Similar to commit 165ae7a8feb5 ("igb: Report speed and duplex as unknown
when device is runtime suspended"), if we try to read speed and duplex
sysfs while the device is runtime suspended, igc will complain and
stops working:
[ 123.449883] igc 0000:03:00.0 enp3s0: PCIe link lost, device now detached
[ 123.450052] BUG: kernel NULL pointer dereference, address: 0000000000000008
[ 123.450056] #PF: supervisor read access in kernel mode
[ 123.450058] #PF: error_code(0x0000) - not-present page
[ 123.450059] PGD 0 P4D 0
[ 123.450064] Oops: 0000 [#1] SMP NOPTI
[ 123.450068] CPU: 0 PID: 2525 Comm: udevadm Tainted: G U W OE 5.10.0-1002-oem #2+rkl2-Ubuntu
[ 123.450078] RIP: 0010:igc_rd32+0x1c/0x90 [igc]
[ 123.450080] Code: c0 5d c3 b8 fd ff ff ff c3 0f 1f 44 00 00 0f 1f 44 00 00 55 89 f0 48 89 e5 41 56 41 55 41 54 49 89 c4 53 48 8b 57 08 48 01 d0 <44> 8b 28 41 83 fd ff 74 0c 5b 44 89 e8 41 5c 41 5d 4
[ 123.450083] RSP: 0018:ffffb0d100d6fcc0 EFLAGS: 00010202
[ 123.450085] RAX: 0000000000000008 RBX: ffffb0d100d6fd30 RCX: 0000000000000000
[ 123.450087] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff945a12716c10
[ 123.450089] RBP: ffffb0d100d6fce0 R08: ffff945a12716550 R09: ffff945a09874000
[ 123.450090] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
[ 123.450092] R13: ffff945a12716000 R14: ffff945a037da280 R15: ffff945a037da290
[ 123.450094] FS: 00007f3b34c868c0(0000) GS:ffff945b89200000(0000) knlGS:0000000000000000
[ 123.450096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 123.450098] CR2: 0000000000000008 CR3: 00000001144de006 CR4: 0000000000770ef0
[ 123.450100] PKRU: 55555554
[ 123.450101] Call Trace:
[ 123.450111] igc_ethtool_get_link_ksettings+0xd6/0x1b0 [igc]
[ 123.450118] __ethtool_get_link_ksettings+0x71/0xb0
[ 123.450123] duplex_show+0x74/0xc0
[ 123.450129] dev_attr_show+0x1d/0x40
[ 123.450134] sysfs_kf_seq_show+0xa1/0x100
[ 123.450137] kernfs_seq_show+0x27/0x30
[ 123.450142] seq_read+0xb7/0x400
[ 123.450148] ? common_file_perm+0x72/0x170
[ 123.450151] kernfs_fop_read+0x35/0x1b0
[ 123.450155] vfs_read+0xb5/0x1b0
[ 123.450157] ksys_read+0x67/0xe0
[ 123.450160] __x64_sys_read+0x1a/0x20
[ 123.450164] do_syscall_64+0x38/0x90
[ 123.450168] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 123.450170] RIP: 0033:0x7f3b351fe142
[ 123.450173] Code: c0 e9 c2 fe ff ff 50 48 8d 3d 3a ca 0a 00 e8 f5 19 02 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
[ 123.450174] RSP: 002b:00007fffef2ec138 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 123.450177] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3b351fe142
[ 123.450179] RDX: 0000000000001001 RSI: 00005644c047f070 RDI: 0000000000000003
[ 123.450180] RBP: 00007fffef2ec340 R08: 00005644c047f070 R09: 00007f3b352d9320
[ 123.450182] R10: 00005644c047c010 R11: 0000000000000246 R12: 00005644c047cbf0
[ 123.450184] R13: 00005644c047e6d0 R14: 0000000000000003 R15: 00007fffef2ec140
[ 123.450189] Modules linked in: rfcomm ccm cmac algif_hash algif_skcipher af_alg bnep toshiba_acpi industrialio toshiba_haps hp_accel lis3lv02d btusb btrtl btbcm btintel bluetooth ecdh_generic ecc joydev input_leds nls_iso8859_1 snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_intel_hda_common snd_soc_hdac_hda snd_hda_codec_hdmi snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation soundwire_cadence snd_hda_codec snd_hda_core ath10k_pci snd_hwdep intel_rapl_msr intel_rapl_common ath10k_core soundwire_bus snd_soc_core x86_pkg_temp_thermal ath intel_powerclamp snd_compress ac97_bus snd_pcm_dmaengine mac80211 snd_pcm coretemp snd_seq_midi snd_seq_midi_event snd_rawmidi kvm_intel cfg80211 snd_seq snd_seq_device snd_timer mei_hdcp kvm libarc4 snd crct10dif_pclmul ghash_clmulni_intel aesni_intel
mei_me dell_wmi
[ 123.450266] dell_smbios soundcore sparse_keymap dcdbas crypto_simd cryptd mei dell_uart_backlight glue_helper ee1004 wmi_bmof intel_wmi_thunderbolt dell_wmi_descriptor mac_hid efi_pstore acpi_pad acpi_tad intel_cstate sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear dm_mirror dm_region_hash dm_log hid_generic usbhid hid i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec crc32_pclmul rc_core drm intel_lpss_pci i2c_i801 ahci igc intel_lpss i2c_smbus idma64 xhci_pci libahci virt_dma xhci_pci_renesas wmi video pinctrl_tigerlake
[ 123.450335] CR2: 0000000000000008
[ 123.450338] ---[ end trace 9f731e38b53c35cc ]---
The more generic approach will be wrap get_link_ksettings() with begin()
and complete() callbacks, and calls runtime resume and runtime suspend
routine respectively. However, igc is like igb, runtime resume routine
uses rtnl_lock() which upper ethtool layer also uses.
So to prevent a deadlock on rtnl, take a different approach, use
pm_runtime_suspended() to avoid reading register while device is runtime
suspended.
Fixes: 8c5ad0dae93c ("igc: Add ethtool support")
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 329a3678ec69962aa67c91397efbd46d36635f91 ]
Link speed advertising in igc has two problems:
- When setting the advertisement via ethtool, the link speed is converted
to the legacy 32 bit representation for the intel PHY code.
This inadvertently drops ETHTOOL_LINK_MODE_2500baseT_Full_BIT (being
beyond bit 31). As a result, any call to `ethtool -s ...' drops the
2500Mbit/s link speed from the PHY settings. Only reloading the driver
alleviates that problem.
Fix this by converting the ETHTOOL_LINK_MODE_2500baseT_Full_BIT to the
Intel PHY ADVERTISE_2500_FULL bit explicitly.
- Rather than checking the actual PHY setting, the .get_link_ksettings
function always fills link_modes.advertising with all link speeds
the device is capable of.
Fix this by checking the PHY autoneg_advertised settings and report
only the actually advertised speeds up to ethtool.
Fixes: 8c5ad0dae93c ("igc: Add ethtool support")
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Remove unneeded hw_dbg prints from igc_ethtool.c file.
Clean up code.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add support for statistics and show basic counters.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add show and configure network flow classification (NFC) methods
to the ethtool. Show the specifies Rx ntuple filters.
Configures receive network flow classification option or rules.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds basic ethtool support to the device to allow
for configuration.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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