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2021-06-22iwlwifi: mvm: don't request mac80211 to disable/enable sta's queuesNaftali Goldstein1-2/+6
When operating in AP mode with NICs supporting the AP_LINK_PS hw flag, mac80211 doesn't need to start/stop queueing tx for connected stations because the FW already handles that. Signed-off-by: Naftali Goldstein <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210618105614.64df994c8fbb.I0fa5cda3a5f893a396eef30a01522422be359e69@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: Explicitly stop session protection before unbindingIlan Peer2-12/+30
In case of unbinding, the FW would remove the session protection time events without sending a notification, so explicitly cancel the session protection, so future requests for mgd_prepare_tx() would not assume that the session protection is running. Signed-off-by: Ilan Peer <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210618105614.7c30f85ed241.Ibc19fdbefca7135f2c4ea83d0aef6b81b5033dcd@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: Read acpi dsm to get unii4 enable/disable bitmap.Abhishek Naik3-3/+37
Read the UNII4 setting from the ACPI table and use it in the LARI_CONFIG_CHANGE_CMD accordingly. This setting allows OEMs to enable or disable UNII4, bypassing the FW defaults. Signed-off-by: Abhishek Naik <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617100544.223090c509c4.If03cb5393607ae494041b6187bcec134d6a1e06d@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: pcie: remove TR/CR tail allocationsJohannes Berg3-59/+14
The TR/CR tail data are meant to be per-queue-arrays, however, we allocate them completely wrong (we have a separate allocation per queue). Looking at this more closely, it turns out that the hardware never uses these - we have a separate free list per RX queue and maintain a write pointer for that in a register, and the RX itself is indicated in the RB status (rb_stts) DMA region. Despite nothing using the tail pointers, the hardware will unconditionally access them to write updates, even when we aren't using CRs/TRs. Give it dummy values that we never use/update so it can do that without causing trouble. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617110647.5f5764e04c46.I4d5de1929be048085767f1234a1e07b517ab6a2d@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: pcie: fix some kernel-doc commentsJohannes Berg1-2/+2
"ubd" is really called "used_bd", fix that. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617100544.2d4b46c656bb.Iff9ee6a7e65d439169202911dad2cbea626fb887@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: advertise broadcast TWT supportShaul Triebitz2-10/+21
If the firmware supports broadcast TWT (know by TLV), add the broadcast TWT HE MAC capability. Signed-off-by: Shaul Triebitz <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617100544.80fee3171b53.Idfb69643f4044ec26865d023d0c2a1d6466694aa@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: support LMR feedbackAvraham Stern1-0/+4
If the LMR feedback is set in the ranging request, set the corresponding flag in the fw command. Signed-off-by: Avraham Stern <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617100544.0c00dd724f5c.I8283b95c26f4226deaea42e7be35aa9d41eb7580@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: correct HE capabilitiesJohannes Berg1-48/+66
The (default) HE capabilities for our devices weren't handled correctly, adjust them to match the correct capabilities of the devices. Since the device regulatory will not allow 160 MHz on 5 GHz, don't advertise this capability by default; do it only if an NVM file is being loaded that might change the regulatory parameters. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617100544.e8d0b02ec86b.Ia6ef8cc0480d38af25e6ac45fad9fb15bdfcbc2c@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: Call NMI instead of REPLY_ERRORHarish Mitty1-1/+3
For IWL_DEVICE_FAMILY_22000 & greater, driver will call NMI instead of REPLY_ERROR as FW->Infra does not support this command for this family onwards. Signed-off-by: Harish Mitty <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617100544.597f4246c79d.Ia0a1bbc2e66b4e849174db685208fc2b8bd5732e@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: fix error print when session protection endsShaul Triebitz1-0/+4
When the session protection ends and the Driver is not associated or a beacon was not heard, the Driver prints "No beacons heard...". That's confusing for the case where not associated. Change the print when not associated to "Not associated...". Signed-off-by: Shaul Triebitz <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617100544.41a5a5a894fa.I9eabb76e7a3a7f4abbed8f2ef918f1df8e825726@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: honour firmware SMPS requestsJohannes Berg4-0/+80
The firmware can now request SMPS (due to thermal conditions), add some code to honour such requests and bubble them up through the stack, subject to our other SMPS constraints, e.g. from Bluetooth. Then, if the firmware requests SMPS, then we know that it supports a small extension to the PHY configuration API where a chain mask of 0 means "use 1 but pick which one yourself", so in this case we use that extension. During firmware restart, we stay in the previous state, and the FW will send us a notification at startup (only) if the temperature is below the lower or above the high threshold, to sync the state. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617100544.85656b7684b9.I7a661a0758d070a750d3a91874d1a0f5fab9febc@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: apply RX diversity per PHY contextJohannes Berg3-14/+32
SMPS requests may differ per interfaces due to e.g. Bluetooth only interfering on 2.4 GHz, so if that's the case we should, in the case of multiple PHY contexts, still allow RX diversity on PHY context that have no interfaces with SMPS requests. Fix the code to pass through the PHY context in question and skip interfaces with non-matching PHY context while iterating. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617100544.123c6b05809d.I992e3d1c6a29850d02eeec01712b5b685b963a87@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: don't request SMPS in AP modeJohannes Berg1-5/+3
This is not valid (in the spec) and mac80211 will soon warn on it, in addition to ignoring it. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617100544.d568df20e273.Id45ae38f9b16b3c56fa62266e3e89a1421ea07b0@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: pcie: identify the RF moduleJohannes Berg4-2/+96
Identify and print out the RF module to be able to identify (from logs and through debugfs) which one (and version) is present on the system. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210617100544.cd1ef97b2c04.Iad42a59902a87a50b45b9ce88705863686a83b54@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: yoyo: support region TLV version 2Mukesh Sisodiya3-3/+22
Region TLV version 2 now includes more data, but it is not relevant for the driver. In order to support this new version, just mask the new part out. Signed-off-by: Mukesh Sisodiya <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.60dd4c60ab49.I44fe02af389d3ab089363bf9bde0d99a4c1ff383@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: remove duplicate iwl_ax201_cfg_qu_hr declarationJohannes Berg1-1/+0
This configuration struct is declared twice, remove one of the declarations. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.a08c905ec25b.Iff706f9d5b7b666e306549c419d04dcd4d81e5fd@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: pcie: remove CSR_HW_RF_ID_TYPE_CHIP_IDJohannes Berg2-10/+7
This is duplicated with CSR_HW_RFID_TYPE so just use the latter for less typing/shorter lines. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.00b220f4ba53.I1fe216a46e7d9c1316d681daa293064f16ff1899@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: pcie: print interrupt number, not indexJohannes Berg1-1/+1
Printing the interrupt index in our local array isn't very useful in an error message, print the interrupt number (as also shown in e.g. /proc/interrupts) instead. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.05bc5157e606.Ifb65b5ed2e5296fd8258c40c4287b5443b06d337@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: pcie: Add support for AX231 radio module with Ma devicesMatti Gottlieb3-0/+20
Add support for AX231 radio modules, which we call Fm. These modules can be used with the Ma family of devices and above. Signed-off-by: Matti Gottlieb <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.c1fdd153d686.I7ee0485c52fb429de1fe171cb6dc0ae593a26788@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: increase PNVM load timeoutLuca Coelho1-2/+2
The FW has a watchdog of 200ms in the PNVM load flow, so the driver should have a slightly higher timeout. Change the timeout from 100ms to 250ms. Signed-off-by: Luca Coelho <[email protected]> Fixes: 70d3ca86b025 ("iwlwifi: mvm: ring the doorbell and wait for PNVM load completion") Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.ba22aec1e2be.I36bfadc28c480f4fc57266c075a79e8ea4a6934f@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: pcie: handle pcim_iomap_table() failures betterJohannes Berg1-2/+10
pcim_iomap_table() might return NULL, so we shouldn't unconditionally dereference the return value by taking the [0] entry. Handle this better by checking for NULL first, and then separately checking if the [0] entry is NULL. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.9aa4f0e3574a.I458b283f203d5f927f00be1bfbd4b8ebf11c5ae4@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: don't change band on bound PHY contextsJohannes Berg1-6/+18
When we have a P2P Device active, we attempt to only change the PHY context it uses when we get a new remain-on-channel, if the P2P Device is the only user of the PHY context. This is fine if we're switching within a band, but if we're switching bands then the switch implies a removal and re-add of the PHY context, which isn't permitted by the firmware while it's bound to an interface. Fix the code to skip the unbind/release/... cycle only if the band doesn't change (or we have old devices that can switch the band on the fly as well.) Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.e9ac313f70f3.I713b9d109957df7e7d9ed0861d5377ce3f8fccd3@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: remove unused REMOTE_WAKE_CONFIG_CMD definitionsLuca Coelho3-56/+1
We don't use this command anymore and it is going to be removed from the FW. Remove all related definitions. Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.549b282ae9a4.Iced05882d73b869e19f50e6a6e7bf9ce6cd7899b@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: fix indentation in some scan functionsLuca Coelho1-7/+7
Two functions had indentation mistakes which were causing sparse warnings. Fix them. Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.12f3b9fea57e.I42a7556d43de78ec6387e3a699eca10482b0485d@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: pass the clock type to iwl_mvm_get_sync_time()Luca Coelho4-8/+17
Allow the caller to pass the clock type to iwl_mvm_get_sync_time() so callers with different needs can decide whether to use boottime or realtime. Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.093f6660e69b.Ifd2328ac2130269f729c9c1bceec44ba01d79e88@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22iwlwifi: mvm: support BIOS enable/disable for 11ax in RussiaMiri Korenblit3-22/+63
Read the new BIOS DSM and Pass to FW if to disable\enable 11ax for Russia according to the BIOS key. This is needed to enable OEMs to control enable/disable 11ax in Russia. Also add support for future "enable 11ax in country X" features. Signed-off-by: Miri Korenblit <[email protected]> Signed-off-by: Luca Coelho <[email protected]> Link: https://lore.kernel.org/r/iwlwifi.20210612142637.a705f7cedff8.I580f1021cabcc37e88f5ec5e9a6bbf00aae514b6@changeid Signed-off-by: Luca Coelho <[email protected]>
2021-06-22RDMA/mlx5: Refactor get_ts_format functions to simplify codeAharon Landau2-8/+10
QPC, SQC and RQC timestamp formats and capabilities are always equal because they represent general hardware support. So instead of code duplication, let's merge them into general enum and logic. Signed-off-by: Aharon Landau <[email protected]> Reviewed-by: Maor Gottlieb <[email protected]> Signed-off-by: Leon Romanovsky <[email protected]>
2021-06-21ibmvnic: Use strscpy() instead of strncpy()Kees Cook1-3/+3
Since these strings are expected to be NUL-terminated and the buffers are exactly sized (in vnic_client_data_len()) with no padding, strncpy() can be safely replaced with strscpy() here, as strncpy() on NUL-terminated string is considered deprecated[1]. This has the side-effect of silencing a -Warray-bounds warning due to the compiler being confused about the vlcd incrementing: In file included from ./include/linux/string.h:253, from ./include/linux/bitmap.h:10, from ./include/linux/cpumask.h:12, from ./include/linux/mm_types_task.h:14, from ./include/linux/mm_types.h:5, from ./include/linux/buildid.h:5, from ./include/linux/module.h:14, from drivers/net/ethernet/ibm/ibmvnic.c:35: In function '__fortify_strncpy', inlined from 'vnic_add_client_data' at drivers/net/ethernet/ibm/ibmvnic.c:3919:2: ./include/linux/fortify-string.h:39:30: warning: '__builtin_strncpy' offset 12 from the object at 'v lcd' is out of the bounds of referenced subobject 'name' with type 'char[]' at offset 12 [-Warray-bo unds] 39 | #define __underlying_strncpy __builtin_strncpy | ^ ./include/linux/fortify-string.h:51:9: note: in expansion of macro '__underlying_strncpy' 51 | return __underlying_strncpy(p, q, size); | ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/ibm/ibmvnic.c: In function 'vnic_add_client_data': drivers/net/ethernet/ibm/ibmvnic.c:3883:7: note: subobject 'name' declared here 3883 | char name[]; | ^~~~ [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings Cc: Dany Madden <[email protected]> Cc: Sukadev Bhattiprolu <[email protected]> Cc: Thomas Falcon <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Jakub Kicinski <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: Kees Cook <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: dsa: mv88e6xxx: Fix adding vlan 0Eldar Gasanov1-3/+3
8021q module adds vlan 0 to all interfaces when it starts. When 8021q module is loaded it isn't possible to create bond with mv88e6xxx interfaces, bonding module dipslay error "Couldn't add bond vlan ids", because it tries to add vlan 0 to slave interfaces. There is unexpected behavior in the switch. When a PVID is assigned to a port the switch changes VID to PVID in ingress frames with VID 0 on the port. Expected that the switch doesn't assign PVID to tagged frames with VID 0. But there isn't a way to change this behavior in the switch. Fixes: 57e661aae6a8 ("net: dsa: mv88e6xxx: Link aggregation support") Signed-off-by: Eldar Gasanov <[email protected]> Reviewed-by: Vladimir Oltean <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: ll_temac: Remove left-over debug messageEsben Haabendal1-3/+1
Fixes: f63963411942 ("net: ll_temac: Avoid ndo_start_xmit returning NETDEV_TX_BUSY") Signed-off-by: Esben Haabendal <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: mana: Fix a memory leak in an error handling path in 'mana_create_txq()'Christophe JAILLET1-2/+4
If this test fails we must free some resources as in all the other error handling paths of this function. Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)") Signed-off-by: Christophe JAILLET <[email protected]> Reviewed-by: Dexuan Cui <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: hns3: Fix a memory leak in an error handling path in ↵Christophe JAILLET1-2/+4
'hclge_handle_error_info_log()' If this 'kzalloc()' fails we must free some resources as in all the other error handling paths of this function. Fixes: 2e2deee7618b ("net: hns3: add the RAS compatibility adaptation solution") Signed-off-by: Christophe JAILLET <[email protected]> Reviewed-by: Jiaran Zhang <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: fec: add ndo_select_queue to fix TX bandwidth fluctuationsFugang Duan1-0/+32
As we know that AVB is enabled by default, and the ENET IP design is queue 0 for best effort, queue 1&2 for AVB Class A&B. Bandwidth of each queue 1&2 set in driver is 50%, TX bandwidth fluctuated when selecting tx queues randomly with FEC_QUIRK_HAS_AVB quirk available. This patch adds ndo_select_queue callback to select queues for transmitting to fix this issue. It will always return queue 0 if this is not a vlan packet, and return queue 1 or 2 based on priority of vlan packet. You may complain that in fact we only use single queue for trasmitting if we are not targeted to VLAN. Yes, but seems we have no choice, since AVB is enabled when the driver probed, we can't switch this feature dynamicly. After compare multiple queues to single queue, TX throughput almost no improvement. One way we can implemet is to configure the driver to multiple queues with Round-robin scheme by default. Then add ndo_setup_tc callback to enable/disable AVB feature for users. Unfortunately, ENET AVB IP seems not follow the standard 802.1Qav spec. We only can program DMAnCFG[IDLE_SLOPE] field to calculate bandwidth fraction. And idle slope is restricted to certain valus (a total of 19). It's far away from CBS QDisc implemented in Linux TC framework. If you strongly suggest to do this, I think we only can support limited numbers of bandwidth and reject others, but it's really urgly and wried. With this patch, VLAN tagged packets route to queue 0/1/2 based on vlan priority; VLAN untagged packets route to queue 0. Tested-by: Frieder Schrempf <[email protected]> Reported-by: Frieder Schrempf <[email protected]> Signed-off-by: Fugang Duan <[email protected]> Signed-off-by: Joakim Zhang <[email protected]> Reported-by: kernel test robot <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: fec: add FEC_QUIRK_HAS_MULTI_QUEUES represents i.MX6SX ENET IPJoakim Zhang2-5/+11
Frieder Schrempf reported a TX throuthput issue [1], it happens quite often that the measured bandwidth in TX direction drops from its expected/nominal value to something like ~50% (for 100M) or ~67% (for 1G) connections. [1] https://lore.kernel.org/linux-arm-kernel/[email protected]/ The issue becomes clear after digging into it, Net core would select queues when transmitting packets. Since FEC have not impletemented ndo_select_queue callback yet, so it will call netdev_pick_tx to select queues randomly. For i.MX6SX ENET IP with AVB support, driver default enables this feature. According to the setting of QOS/RCMRn/DMAnCFG registers, AVB configured to Credit-based scheme, 50% bandwidth of each queue 1&2. With below tests let me think more: 1) With FEC_QUIRK_HAS_AVB quirk, can reproduce TX bandwidth fluctuations issue. 2) Without FEC_QUIRK_HAS_AVB quirk, can't reproduce TX bandwidth fluctuations issue. The related difference with or w/o FEC_QUIRK_HAS_AVB quirk is that, whether we program FTYPE field of TxBD or not. As I describe above, AVB feature is enabled by default. With FEC_QUIRK_HAS_AVB quirk, frames in queue 0 marked as non-AVB, and frames in queue 1&2 marked as AVB Class A&B. It's unreasonable if frames in queue 1&2 are not required to be time-sensitive. So when Net core select tx queues ramdomly, Credit-based scheme would work and lead to TX bandwidth fluctuated. On the other hand, w/o FEC_QUIRK_HAS_AVB quirk, frames in queue 1&2 are all marked as non-AVB, so Credit-based scheme would not work. Till now, how can we fix this TX throughput issue? Yes, please remove FEC_QUIRK_HAS_AVB quirk if you suffer it from time-nonsensitive networking. However, this quirk is used to indicate i.MX6SX, other setting depends on it. So this patch adds a new quirk FEC_QUIRK_HAS_MULTI_QUEUES to represent i.MX6SX, it is safe for us remove FEC_QUIRK_HAS_AVB quirk now. FEC_QUIRK_HAS_AVB quirk is set by default in the driver, and users may not know much about driver details, they would waste effort to find the root cause, that is not we want. The following patch is a implementation to fix it and users don't need to modify the driver. Tested-by: Frieder Schrempf <[email protected]> Reported-by: Frieder Schrempf <[email protected]> Signed-off-by: Joakim Zhang <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: c101: remove redundant spacesPeng Li1-1/+1
According to the chackpatch.pl, no space before tabs. Signed-off-by: Peng Li <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: c101: replace comparison to NULL with "!card"Peng Li1-2/+2
According to the chackpatch.pl, comparison to NULL could be written "!card". Signed-off-by: Peng Li <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: c101: add blank line after declarationsPeng Li1-0/+1
This patch fixes the checkpatch error about missing a blank line after declarations. Signed-off-by: Peng Li <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21mlxsw: core: Add support for module EEPROM read by pageIdo Schimmel4-0/+108
Add support for ethtool_ops::get_module_eeprom_by_page() which allows user space to read transceiver module EEPROM based on passed parameters. The I2C address is not validated in order to avoid module-specific code. In case of wrong address, error will be returned from device's firmware. Tested by comparing output with legacy method (ioctl) output. Signed-off-by: Ido Schimmel <[email protected]> Tested-by: Vadim Pasternak <[email protected]> Reviewed-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21mlxsw: reg: Document possible MCIA status valuesIdo Schimmel1-0/+14
Will be used to emit meaningful messages to user space via extack in a subsequent patch. Signed-off-by: Ido Schimmel <[email protected]> Reviewed-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21mlxsw: reg: Add bank number to MCIA registerIdo Schimmel1-0/+6
Add bank number to MCIA (Management Cable Info Access) register in order to allow access to banked pages on EEPROMs using CMIS (Common Management Interface Specification) memory map. Signed-off-by: Ido Schimmel <[email protected]> Reviewed-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: ipa: add IPA v3.1 configuration dataAlex Elder4-3/+541
Add support for the MSM8998 SoC, which includes IPA version 3.1. Originally proposed by AngeloGioacchino Del Regno. Link: https://lore.kernel.org/netdev/[email protected] Signed-off-by: Alex Elder <[email protected]> Acked-by: AngeloGioacchino Del Regno Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: ipa: introduce gsi_ring_setup()Alex Elder2-28/+51
Prior to IPA v3.5.1, there is no HW_PARAM_2 GSI register, which we use to determine the number of channels and endpoints per execution environment. In that case, we will just assume the number supported is the maximum supported by the driver. Introduce gsi_ring_setup() to encapsulate the code that determines the number of channels and endpoints. Update GSI_EVT_RING_COUNT_MAX so it is big enough to handle any available channel for all supported hardware (IPA v4.9 can have 23 channels and 24 event rings). Signed-off-by: Alex Elder <[email protected]> Acked-by: AngeloGioacchino Del Regno Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: ipa: FLAVOR_0 register doesn't exist until IPA v3.5Alex Elder1-0/+15
The FLAVOR_0 version first appears in IPA v3.5, so avoid attempting to read it for versions prior to that. This register contains a concise definition of the number and direction of endpoints supported by the hardware, and without it we can't verify endpoint configuration in ipa_endpoint_config(). In this case, just indicate that any endpoint number is available for use. Originally proposed by AngeloGioacchino Del Regno. Link: https://lore.kernel.org/netdev/[email protected] Signed-off-by: Alex Elder <[email protected]> Acked-by: AngeloGioacchino Del Regno Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: ipa: disable misc clock gating for IPA v3.1Alex Elder1-5/+9
For IPA v3.1, a workaround is needed to disable gating on a MISC clock. I have no further explanation, but this is what the downstream code (msm-4.4) does. This was suggested in a patch from AngeloGioacchino Del Regno. Link: https://lore.kernel.org/netdev/[email protected] Signed-off-by: Alex Elder <[email protected]> Acked-by: AngeloGioacchino Del Regno Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: ipa: inter-EE interrupts aren't always availableAlex Elder2-4/+12
The GSI inter-EE interrupts are not supported prior to IPA v3.5. Don't attempt to initialize them in gsi_irq_setup() for hardware that does not support them. Originally proposed by AngeloGioacchino Del Regno. Link: https://lore.kernel.org/netdev/[email protected] Signed-off-by: Alex Elder <[email protected]> Acked-by: AngeloGioacchino Del Regno Signed-off-by: David S. Miller <[email protected]>
2021-06-21Merge tag 'linux-can-fixes-for-5.13-20210619' of ↵David S. Miller1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2021-06-19 this is a pull request of 5 patches for net/master. The first patch is by Thadeu Lima de Souza Cascardo and fixes a potential use-after-free in the CAN broadcast manager socket, by delaying the release of struct bcm_op after synchronize_rcu(). Oliver Hartkopp's patch fixes a similar potential user-after-free in the CAN gateway socket by synchronizing RCU operations before removing gw job entry. Another patch by Oliver Hartkopp fixes a potential use-after-free in the ISOTP socket by omitting unintended hrtimer restarts on socket release. Oleksij Rempel's patch for the j1939 socket fixes a potential use-after-free by setting the SOCK_RCU_FREE flag on the socket. The last patch is by Pavel Skripkin and fixes a use-after-free in the ems_usb CAN driver. All patches are intended for stable and have [email protected] on Cc. ==================== Signed-off-by: David S. Miller <[email protected]>
2021-06-21Merge tag 'wireless-drivers-2021-06-19' of ↵David S. Miller1-3/+10
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers Kalle Valo says: ==================== wireless-drivers fixes for v5.13 Only one important fix for an mwifiex regression. mwifiex * fix deadlock during rmmod or firmware reset, regression from cfg80211 RTNL changes in v5.12-rc1 ==================== Signed-off-by: David S. Miller <[email protected]>
2021-06-21nfp: flower-ct: check for error in nfp_fl_ct_offload_nft_flow()Dan Carpenter1-0/+2
The nfp_fl_ct_add_flow() function can fail so we need to check for failure. Fixes: 95255017e0a8 ("nfp: flower-ct: add nft flows to nft list") Signed-off-by: Dan Carpenter <[email protected]> Reviewed-by: Louis Peens <[email protected]> Reviewed-by: Simon Horman <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: qualcomm: rmnet: fix two pointer math bugsDan Carpenter1-2/+2
We recently changed these two pointers from void pointers to struct pointers and it breaks the pointer math so now the "txphdr" points beyond the end of the buffer. Fixes: 56a967c4f7e5 ("net: qualcomm: rmnet: Remove some unneeded casts") Signed-off-by: Dan Carpenter <[email protected]> Reviewed-by: Subash Abhinov Kasiviswanathan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2021-06-21net: iosm: remove an unnecessary NULL checkDan Carpenter1-1/+1
The address of &ipc_mux->ul_adb can't be NULL because it points to the middle of a non-NULL struct. Fixes: 9413491e20e1 ("net: iosm: encode or decode datagram") Signed-off-by: Dan Carpenter <[email protected]> Reviewed-by: M Chetan Kumar <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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