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2018-01-09qtnfmac: check for passed channel being NULL in MGMT_TX commandIgor Mitsyanko1-2/+11
Parameters passed into .mgmt_tx callback may have a NULL channel in case userspace wants to send a frame on current channel. Make sure this case is handled, pass "freq==0" in case channel is not specififed to tell wlan device to use current channel. Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-09qtnfmac: change default interface mode from AP to STAIgor Mitsyanko3-10/+6
To mimic mac80211 behaviour, change default interface type from AP to STA. Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-09qtnfmac: add support for radar detection and CACIgor Mitsyanko5-1/+155
Implement two parts of radar handling logic: - cfg80211 .start_radar_detect callback to allow nl80211 to initiate CAC - radar event to allow wlan device to advertize CAC and radar events Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-09qtnfmac: pass complete channel data between driver and firmwareSergey Matyukevich5-51/+74
Center frequency is not enough to describe the channel in HT and VHT modes. For 40MHz and 80MHz channels both primary channel and center frequency should be specified in order to qualify channel completely. This change adds primary channel info into qlink_chandef structure. Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-09qtnfmac: check that MAC exists in regulatory notifierIgor Mitsyanko1-0/+3
It is possible that regulatory notifier is called before MAC data was allocated. We need to verify that MAC data exists before trying to send a regulatory change event. Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rt2x00: Fix a typo in printkMasanari Iida1-1/+1
This patch fix a typo in rt2800lib.c Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08wl1251: check return from call to wl1251_acx_arp_ip_filterColin Ian King1-2/+1
Currently the less than zero error check on ret is incorrect as it is checking a far earlier ret assignment rather than the return from the call to wl1251_acx_arp_ip_filter. Fix this by adding in the missing assginment. Detected by CoverityScan, CID#1164835 ("Logically dead code") Fixes: 204cc5c44fb6 ("wl1251: implement hardware ARP filtering") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rt2x00: do not pause queue unconditionally on error pathStanislaw Gruszka1-8/+14
Pausing queue without checking threshold is racy with txdone path. Moreover we do not need pause queue on any error, but only if queue is full - in case when we send RTS frame ( other cases of almost full queue are already handled in rt2x00queue_write_tx_frame() ). Patch fixes of theoretically possible problem of pausing empty queue. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Tested-by: Enrico Mioso <mrkiko.rs@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rt2x00: pause almost full queue earlyStanislaw Gruszka2-10/+8
Do not drop &queue->tx_lock and acquire it again to pause queue when available entries are below the threshold. Patch should mitigate problem of frequently printed errors: "Error - Dropping frame due to full tx queue" Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Tested-by: Enrico Mioso@gmail.com Tested-by: Enrico Mioso <mrkiko.rs@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mwifiex: cancel pcie/sdio work in remove/shutdown handlerXinming Hu2-0/+4
The last command used to shutdown firmware might be timeout, and trigger firmware dump in asynchronous pcie/sdio work. The remove/shutdown handler will continue free core data structure private/adapter, which might be dereferenced in pcie/sdio work, finally crash the kernel. Sync and Cancel pcie/sdio work, could be a fix for above cornel case. In this way, the last command timeout could be handled properly. Signed-off-by: Xinming Hu <huxm@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mwifiex: debugfs: trigger device dump for usb interfaceXinming Hu4-8/+21
This patch extend device_dump debugfs function to make it works for usb interface. For command timeouts, USB firmware will automatically emit firmware dump events, so we don't implement device_dump(). For user-initiated dumps, we trigger it by issue firmware dump event command to firmware, as there is no command response, do not start 10s timer. Signed-off-by: Xinming Hu <huxm@marvell.com> Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mwifiex: device dump support for usb interfaceXinming Hu4-0/+82
Firmware dump on usb interface is different with current sdio/pcie chipset, which is based on register operation. When firmware hang on usb interface, context dump will be upload to host using 0x73 firmware debug event. This patch store dump data from debug event and send to userspace using device coredump API. Signed-off-by: Xinming Hu <huxm@marvell.com> Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mwifiex: refactor device dump code to make it generic for usb interfaceXinming Hu5-57/+79
This patch refactor current device dump code to make it generic for subsequent implementation on usb interface. Signed-off-by: Xinming Hu <huxm@marvell.com> Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76x2: eeprom: fix typo in mt76x2_get_power_info_5g()Lorenzo Bianconi1-1/+1
Fix typo in 5GHz power vs channel eeprom parsing Fixes: 7bc04215a66b ("mt76: add driver code for MT76x2e") Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Acked-by: Felix Fietkau <nbd@nbd.name> Reported-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76: fix memcpy to potential null pointer on failed allocationColin Ian King1-0/+2
Currently if the allocation of skb fails and returns NULL then the call to skb_put will cause a null pointer dereference. Fix this by checking for a null skb and returning NULL. Note that calls to function mt76x2_mcu_msg_alloc don't directly check the null return but instead pass the NULL pointer to mt76x2_mcu_msg_send which checks for the NULL and returns ENOMEM in this case. Detected by CoverityScan, CID#1462624 ("Dereference null return value") Fixes: 7bc04215a66b ("mt76: add driver code for MT76x2e") Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76x2: init: fix rx filter default value during initLorenzo Bianconi1-1/+2
mt76x2_mac_start writes dev->rxfilter to the hardware. It also happens during init, before dev->rxfilter is filled with the initval register value, leading to issues like promisc mode being enabled unconditionally. Fix this by reading the default value into dev->rxfilter earlier Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76x2: configure rx filter based on monitor mode settingFelix Fietkau1-0/+9
Due to an unrelated issue, the MT_RX_FILTR_CFG_PROMISC flag is currently unset, which means that monitor mode is unconditionally enabled. Toggle this flag based on the mac80211 monitor mode setting instead Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76x2: init: disable APCLI by defaultLorenzo Bianconi1-2/+0
It is no longer necessary for client mode operation, vif index entries 8-16 are no longer used Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76x2: convert between per-chain tx power and combined outputFelix Fietkau2-0/+10
Using both chains adds max. 3 dBm. A similar worst-case calculation is being used in ath9k as well to ensure that the hardware stays within regulatory limits Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76x2: initialize channel power limits at probe timeFelix Fietkau4-13/+43
This allows user space to query the real hardware limits directly Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76x2: add channel argument to eeprom tx power functionsFelix Fietkau3-17/+26
Preparation for exposing maximum power to mac80211 Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76x2: increase OFDM SIFS timeFelix Fietkau1-8/+1
Fixes throughput issues in combination with LDPC Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76x2: remove some harmless WARN_ONs in tx status and rx pathFelix Fietkau1-14/+14
Discard affected packets instead. Should reduce the frequency of bogus bug reports Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76: fix returnvar.cocci warningsFengguang Wu1-2/+1
drivers/net/wireless/mediatek/mt76/mt76x2_main.c:86:5-8: Unneeded variable: "ret". Return "0" on line 112 Remove unneeded variable used to store return value. Generated by: scripts/coccinelle/misc/returnvar.cocci Fixes: a5f6039c8f9c ("mt76: add driver code for MT76x2e") CC: Felix Fietkau <nbd@nbd.name> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08mt76: fix debugfs_simple_attr.cocci warningsFengguang Wu1-3/+4
drivers/net/wireless/mediatek/mt76/debugfs.c:36:0-23: WARNING: fops_regval should be defined with DEFINE_DEBUGFS_ATTRIBUTE Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE for debugfs files. Semantic patch information: Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file() imposes some significant overhead as compared to DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe(). Generated by: scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci Fixes: a5f6039c8f9c ("mt76: add driver code for MT76x2e") CC: Felix Fietkau <nbd@nbd.name> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08brcmfmac: Support 43455 save-restore (SR) feature if FW include -srDouble Lo1-0/+1
This patch will add 43455 into the save-restore(SR) capable chip list, so the SR engine will be enabled with 43455 FW which built-in the -sr function. Signed-off-by: Double Lo <double.lo@cypress.com> Signed-off-by: Wright Feng <wright.feng@cypress.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08brcmfmac: Clean up interrupt macrosIan Molton2-4/+7
Make it more obvious that this code acually enables interrupts, and provide nice definitions for the bits in the register. Signed-off-by: Ian Molton <ian@mnementh.co.uk> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08brcmfmac: Replace function index with function pointerIan Molton3-50/+56
In preparation for removing the function array, remove all code that refers to function by index and replace with pointers to the function itself. Signed-off-by: Ian Molton <ian@mnementh.co.uk> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> [arend: replace BUG() with WARN() macro] Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08brcmfmac: More efficient and slightly easier to read fixup for 4339 chipsArend Van Spriel1-3/+4
Its more efficient to test the register we're interested in first, potentially avoiding two more comparisons, and therefore always avoiding one comparison per call on all other chips. Signed-off-by: Ian Molton <ian@mnementh.co.uk> [arend: fix some checkpatch warnings] Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08brcmfmac: Remove func0 from function arrayIan Molton3-14/+11
func0 is not provided by the mmc stack as a function when probing. Instead providing specific access functions to read/write it. This prepares for a patch to remove the actual array entry itself. Signed-off-by: Ian Molton <ian@mnementh.co.uk> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> [arend: rephrased the commit message] [arend: removed unrelated comment for which separate patch is warranted] Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08brcmfmac: Correctly handle accesses to SDIO func0Ian Molton2-2/+6
Rather than workaround the restrictions on func0 addressing in the driver, set MMC_QUIRK_LENIENT_FN0 Signed-off-by: Ian Molton <ian@mnementh.co.uk> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08brcmfmac: stabilise the value of ->sbwad in use for some xfer routines.Ian Molton3-4/+10
The IO functions operate within the Chipcommon IO window. Explicitly set this, rather than relying on the last initialisation IO access to leave it set to the right value by chance. Signed-off-by: Ian Molton <ian@mnementh.co.uk> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08brcmfmac: Rename buscore to core for consistencyArend Van Spriel1-2/+2
Avoid confusion with unrelated _buscore labels. Signed-off-by: Ian Molton <ian@mnementh.co.uk> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> [arend: only do the rename] Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08brcmfmac: Remove {r,w}_sdreg32Ian Molton1-46/+42
Remove yet another IO function from the code and replace with one that already exists. Signed-off-by: Ian Molton <ian@mnementh.co.uk> Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> [arend: keep address calculation, ie. (base + offset) in one line] Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rtlwifi: fill FW version and subversionPing-Ke Shih2-0/+4
This commit fills FW version information of RTL8188EE and RTL8723, so the btcoex can cooperate with FW correctly. Also, we can display this version in debugfs. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rtlwifi: btcoex: Use seq_file to dump btcoex statusPing-Ke Shih12-632/+664
We use seq_file to replace RT_TRACE to dump status, then we can use 'cat' to access btcoex's status through debugfs. (i.e. /sys/kernel/debug/rtlwifi/00-11-22-33-44-55-66/btcoex) Other related changes are 1. implement btc_disp_dbg_msg() to access btcoex's common status. 2. remove obsolete field bt_exist Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rtlwifi: Improve debugging by using debugfsPing-Ke Shih9-2/+523
Use debugfs to dump register and btcoex status, and also write registers and h2c. We create topdir in /sys/kernel/debug/rtlwifi/, and use the MAC address as subdirectory with several entries to dump mac_reg, bb_reg, rf_reg etc. An example is /sys/kernel/debug/rtlwifi/00-11-22-33-44-55-66/mac_0 This change permits examination of device registers in a dynamic manner, a feature not available with the current debug mechanism. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rtlwifi: rtl8723: Add error handling to no existing firmwarePing-Ke Shih1-1/+1
Without firmware, driver wastes time to download and wait for MCU bootup, and then kernel core dump finally. If request_firmware fails, the value max_fw_size=0 is set, so we check the value before downloading firmware. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rtlwifi: Remove unnecessary parenthesesFrank A. Cancio Bello4-26/+26
This is merged by Ping-Ke Shih from commit a221cb0911b8 ("staging: rtlwifi: Remove unnecessary parentheses"), and original commit log is reserved below. Remove unnecessary parentheses to comply with preferred coding style for the linux kernel and avoid the following checkpatch's message: 'CHECK: Unnecessary parentheses around'. Credits to checkpatch. Signed-off-by: Frank A. Cancio Bello <frank@generalsoftwareinc.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rtlwifi: mark expected switch fall-through in rtl_make_smps_actionGustavo A. R. Silva1-3/+1
This is merged by Ping-Ke Shih from commit 640019bba419 ("staging: rtlwifi: mark expected switch fall-through in rtl_make_smps_action"), and original commit log is reserved below. In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rtlwifi: Remove unnecessary 'out of memory' messageShreeya Patel1-4/+2
This is merged by Ping-Ke Shih from commit 596e0559d61a ("Staging: rtlwifi: Remove unnecessary 'out of memory' message."), and commit log is reserved below. Logging messages that show some type of "out of memory" error are generally unnecessary as there is a generic message and a stack dump done by the memory subsystem. These messages generally increase kernel size without much added value. Problem found by checkpatch. Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rtlwifi: use kcalloc instead of multiplyTobin C. Harding1-2/+2
This is merged by Ping-Ke Shih from commit 85d309d53f7a ("staging: rtlwifi: use kcalloc instead of multiply"), and original commit log is reserved below. checkpatch emits multiple warnings of type WARNING:ALLOC_WITH_MULTIPLY: Prefer kcalloc over kzalloc with multiply Replace two calls to kzalloc() with calls to kcalloc(). Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rtlwifi: fix parenthesis alignmentPing-Ke Shih1-1/+1
This is merged by Ping-Ke Shih from commit 688a0206cfb8 ("staging: rtlwifi: fix parenthesis alignment"), and original commit log is reserved below. Checkpatch emits multiple warnings of type CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis Fix parenthesis alignment in line with checkpatch suggestion. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rtlwifi: check for array overflowDan Carpenter1-0/+4
This is merged by Ping-Ke Shih from commit dc33bd4309d2 ("staging: rtlwifi: check for array overflow"), and the original commit log is reserved below. Smatch is distrustful of the "capab" value and marks it as user controlled. I think it actually comes from the firmware? Anyway, I looked at other drivers and they added a bounds check and it seems like a harmless thing to have so I have added it here as well. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08MAINTAINERS: Change maintainer for rtlwifiLarry Finger1-4/+2
This section is also modified to include the entire rtlwifi family, not just RTL8192CE. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08rt2x00: Delete an error message for a failed memory allocation in rt2x00queue_allocate()Markus Elfring1-3/+1
Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Acked-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-07selftests: fib_tests: Add test cases for netdev carrier changeIdo Schimmel1-0/+142
Check that IPv4 and IPv6 react the same when the carrier of a netdev is toggled. Local routes should not be affected by this, whereas unicast routes should. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-07selftests: fib_tests: Add test cases for netdev downIdo Schimmel1-0/+141
Check that IPv4 and IPv6 react the same when a netdev is being put administratively down. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-07selftests: fib_tests: Add test cases for IPv4/IPv6 FIBIdo Schimmel2-0/+147
Add test cases to check that IPv4 and IPv6 react to a netdev being unregistered as expected. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-07ipv6: Flush multipath routes when all siblings are deadIdo Schimmel1-8/+75
By default, IPv6 deletes nexthops from a multipath route when the nexthop device is put administratively down. This differs from IPv4 where the nexthops are kept, but marked with the RTNH_F_DEAD flag. A multipath route is flushed when all of its nexthops become dead. Align IPv6 with IPv4 and have it conform to the same guidelines. In case the multipath route needs to be flushed, its siblings are flushed one by one. Otherwise, the nexthops are marked with the appropriate flags and the tree walker is instructed to skip all the siblings. As explained in previous patches, care is taken to update the sernum of the affected tree nodes, so as to prevent the use of wrong dst entries. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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