Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
kbuild test robot found that addr_to_string() is available only when
DEBUG is defined. And I found that what that function is doing is
what %pM will do. Thus, replace %s with %pM and remove thread-unsafe
addr_to_string() function.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
If bridge vlan filtering is not defined we won't have
br_vlan_can_enter_range and thus will get a compile error as was
reported by Stephen and the build bot. So let's define a stub for when
vlan filtering is not used.
Fixes: 9433944368 ("net: bridge: notify on vlan tunnel changes done via the old api")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Andrew Lunn says:
====================
Fix MTU warnings for fec/mv886xxx combo
Since changing the MTU of dsa slave interfaces was implemented, the
fec/mv88e6xxx combo has been giving warnings:
[ 2.275925] mv88e6085 0.2:00: nonfatal error -95 setting MTU on port 9
[ 2.284306] eth1: mtu greater than device maximum
[ 2.287759] fec 400d1000.ethernet eth1: error -22 setting MTU to include DSA overhead
This patchset adds support for changing the MTU on mv88e6xxx switches,
which do support jumbo frames. And it modifies the FEC driver to
support its true MTU range, which is larger than the default Ethernet
MTU.
====================
Tested-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The FEC allocates 2K buffers, but looses some of it due to
alignment. It can however support an MTU bigger than the default. This
is particularly interesting when used in combination with Ethernet
switches supporting DSA, which have extra headers. The DSA core will
try to increase the MTU to support these extra headers. If the max
size defaults to that of standard Ethernet we get a warning. By
setting the max to what the driver actually supports, we avoid this
warning.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The Marvell Switches support jumbo packages. So implement the
callbacks needed for changing the MTU.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
If someone uses the old vlan API to configure tunnel mappings we'll only
generate the old-style full port notification. That would be a problem
if we are monitoring the new vlan notifications for changes. The patch
resolves the issue by adding vlan notifications to the old tunnel netlink
code. As usual we try to compress the notifications for as many vlans
in a range as possible, thus a vlan tunnel change is considered able
to enter the "current" vlan notification range if:
1. vlan exists
2. it has actually changed (curr_change == true)
3. it passes all standard vlan notification range checks done by
br_vlan_can_enter_range() such as option equality, id continuity etc
Note that vlan tunnel changes (add/del) are considered a part of vlan
options so only RTM_NEWVLAN notification is generated with the relevant
information inside.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix key ring search permissions to address a regression from -rc1.
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Merge tag 'libnvdimm-fix-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fix from Dan Williams:
"A one-line Fix for key ring search permissions to address a regression
from -rc1"
* tag 'libnvdimm-fix-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm/security: Fix key lookup permissions
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Merge tag '5.8-rc4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Four cifs/smb3 fixes: the three for stable fix problems found recently
with change notification including a reference count leak"
* tag '5.8-rc4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update internal module version number
cifs: fix reference leak for tlink
smb3: fix unneeded error message on change notify
cifs: remove the retry in cifs_poxis_lock_set
smb3: fix access denied on change notify request to some servers
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Merge tag 'inclusive-terminology' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/linux
Pull coding style terminology documentation from Dan Williams:
"The discussion has tapered off as well as the incoming ack, review,
and sign-off tags. I did not see a reason to wait for the next merge
window"
* tag 'inclusive-terminology' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/linux:
CodingStyle: Inclusive Terminology
Pull networking fixes from David Miller:
1) Restore previous behavior of CAP_SYS_ADMIN wrt loading networking
BPF programs, from Maciej Żenczykowski.
2) Fix dropped broadcasts in mac80211 code, from Seevalamuthu
Mariappan.
3) Slay memory leak in nl80211 bss color attribute parsing code, from
Luca Coelho.
4) Get route from skb properly in ip_route_use_hint(), from Miaohe Lin.
5) Don't allow anything other than ARPHRD_ETHER in llc code, from Eric
Dumazet.
6) xsk code dips too deeply into DMA mapping implementation internals.
Add dma_need_sync and use it. From Christoph Hellwig
7) Enforce power-of-2 for BPF ringbuf sizes. From Andrii Nakryiko.
8) Check for disallowed attributes when loading flow dissector BPF
programs. From Lorenz Bauer.
9) Correct packet injection to L3 tunnel devices via AF_PACKET, from
Jason A. Donenfeld.
10) Don't advertise checksum offload on ipa devices that don't support
it. From Alex Elder.
11) Resolve several issues in TCP MD5 signature support. Missing memory
barriers, bogus options emitted when using syncookies, and failure
to allow md5 key changes in established states. All from Eric
Dumazet.
12) Fix interface leak in hsr code, from Taehee Yoo.
13) VF reset fixes in hns3 driver, from Huazhong Tan.
14) Make loopback work again with ipv6 anycast, from David Ahern.
15) Fix TX starvation under high load in fec driver, from Tobias
Waldekranz.
16) MLD2 payload lengths not checked properly in bridge multicast code,
from Linus Lüssing.
17) Packet scheduler code that wants to find the inner protocol
currently only works for one level of VLAN encapsulation. Allow
Q-in-Q situations to work properly here, from Toke
Høiland-Jørgensen.
18) Fix route leak in l2tp, from Xin Long.
19) Resolve conflict between the sk->sk_user_data usage of bpf reuseport
support and various protocols. From Martin KaFai Lau.
20) Fix socket cgroup v2 reference counting in some situations, from
Cong Wang.
21) Cure memory leak in mlx5 connection tracking offload support, from
Eli Britstein.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (146 commits)
mlxsw: pci: Fix use-after-free in case of failed devlink reload
mlxsw: spectrum_router: Remove inappropriate usage of WARN_ON()
net: macb: fix call to pm_runtime in the suspend/resume functions
net: macb: fix macb_suspend() by removing call to netif_carrier_off()
net: macb: fix macb_get/set_wol() when moving to phylink
net: macb: mark device wake capable when "magic-packet" property present
net: macb: fix wakeup test in runtime suspend/resume routines
bnxt_en: fix NULL dereference in case SR-IOV configuration fails
libbpf: Fix libbpf hashmap on (I)LP32 architectures
net/mlx5e: CT: Fix memory leak in cleanup
net/mlx5e: Fix port buffers cell size value
net/mlx5e: Fix 50G per lane indication
net/mlx5e: Fix CPU mapping after function reload to avoid aRFS RX crash
net/mlx5e: Fix VXLAN configuration restore after function reload
net/mlx5e: Fix usage of rcu-protected pointer
net/mxl5e: Verify that rpriv is not NULL
net/mlx5: E-Switch, Fix vlan or qos setting in legacy mode
net/mlx5: Fix eeprom support for SFP module
cgroup: Fix sock_cgroup_data on big-endian.
selftests: bpf: Fix detach from sockmap tests
...
CONFIG_CC_IS_GCC is undefined when Clang is used, which breaks the build
(see our Travis link below).
Clang 8 was chosen as a minimum version for this check because there
were some improvements around __builtin_constant_p in that release. In
reality, MIPS was not even buildable until clang 9 so that check was not
technically necessary. Just remove all compiler checks and just assume
that we have a working compiler.
Fixes: d4e6045326 ("Restore gcc check in mips asm/unroll.h")
Link: https://travis-ci.com/github/ClangBuiltLinux/continuous-integration/jobs/359642821
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 0c3d79bce4 ("tcp: reduce SYN-ACK
retrans for TCP_DEFER_ACCEPT") introduces syn_ack_recalc() which decides
if a minisock is held and a SYN+ACK is retransmitted or not.
If rskq_defer_accept is not zero in syn_ack_recalc(), max_retries always
has the same value because max_retries is overwritten by rskq_defer_accept
in reqsk_timer_handler().
This commit adds three changes:
- remove redundant non-zero check for rskq_defer_accept in
reqsk_timer_handler().
- remove max_retries from the arguments of syn_ack_recalc() and use
rskq_defer_accept instead.
- rename thresh to max_syn_ack_retries for readability.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
Reviewed-by: Benjamin Herrenschmidt <benh@amazon.com>
CC: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ido Schimmel says:
====================
mlxsw: Various fixes
Fix two issues found by syzkaller.
Patch #1 removes inappropriate usage of WARN_ON() following memory
allocation failure. Constantly triggered when syzkaller injects faults.
Patch #2 fixes a use-after-free that can be triggered by 'devlink dev
info' following a failed devlink reload.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In case devlink reload failed, it is possible to trigger a
use-after-free when querying the kernel for device info via 'devlink dev
info' [1].
This happens because as part of the reload error path the PCI command
interface is de-initialized and its mailboxes are freed. When the
devlink '->info_get()' callback is invoked the device is queried via the
command interface and the freed mailboxes are accessed.
Fix this by initializing the command interface once during probe and not
during every reload.
This is consistent with the other bus used by mlxsw (i.e., 'mlxsw_i2c')
and also allows user space to query the running firmware version (for
example) from the device after a failed reload.
[1]
BUG: KASAN: use-after-free in memcpy include/linux/string.h:406 [inline]
BUG: KASAN: use-after-free in mlxsw_pci_cmd_exec+0x177/0xa60 drivers/net/ethernet/mellanox/mlxsw/pci.c:1675
Write of size 4096 at addr ffff88810ae32000 by task syz-executor.1/2355
CPU: 1 PID: 2355 Comm: syz-executor.1 Not tainted 5.8.0-rc2+ #29
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xf6/0x16e lib/dump_stack.c:118
print_address_description.constprop.0+0x1c/0x250 mm/kasan/report.c:383
__kasan_report mm/kasan/report.c:513 [inline]
kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530
check_memory_region_inline mm/kasan/generic.c:186 [inline]
check_memory_region+0x14e/0x1b0 mm/kasan/generic.c:192
memcpy+0x39/0x60 mm/kasan/common.c:106
memcpy include/linux/string.h:406 [inline]
mlxsw_pci_cmd_exec+0x177/0xa60 drivers/net/ethernet/mellanox/mlxsw/pci.c:1675
mlxsw_cmd_exec+0x249/0x550 drivers/net/ethernet/mellanox/mlxsw/core.c:2335
mlxsw_cmd_access_reg drivers/net/ethernet/mellanox/mlxsw/cmd.h:859 [inline]
mlxsw_core_reg_access_cmd drivers/net/ethernet/mellanox/mlxsw/core.c:1938 [inline]
mlxsw_core_reg_access+0x2f6/0x540 drivers/net/ethernet/mellanox/mlxsw/core.c:1985
mlxsw_reg_query drivers/net/ethernet/mellanox/mlxsw/core.c:2000 [inline]
mlxsw_devlink_info_get+0x17f/0x6e0 drivers/net/ethernet/mellanox/mlxsw/core.c:1090
devlink_nl_info_fill.constprop.0+0x13c/0x2d0 net/core/devlink.c:4588
devlink_nl_cmd_info_get_dumpit+0x246/0x460 net/core/devlink.c:4648
genl_lock_dumpit+0x85/0xc0 net/netlink/genetlink.c:575
netlink_dump+0x515/0xe50 net/netlink/af_netlink.c:2245
__netlink_dump_start+0x53d/0x830 net/netlink/af_netlink.c:2353
genl_family_rcv_msg_dumpit.isra.0+0x296/0x300 net/netlink/genetlink.c:638
genl_family_rcv_msg net/netlink/genetlink.c:733 [inline]
genl_rcv_msg+0x78d/0x9d0 net/netlink/genetlink.c:753
netlink_rcv_skb+0x152/0x440 net/netlink/af_netlink.c:2469
genl_rcv+0x24/0x40 net/netlink/genetlink.c:764
netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
netlink_unicast+0x53a/0x750 net/netlink/af_netlink.c:1329
netlink_sendmsg+0x850/0xd90 net/netlink/af_netlink.c:1918
sock_sendmsg_nosec net/socket.c:652 [inline]
sock_sendmsg+0x150/0x190 net/socket.c:672
____sys_sendmsg+0x6d8/0x840 net/socket.c:2363
___sys_sendmsg+0xff/0x170 net/socket.c:2417
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2450
do_syscall_64+0x56/0xa0 arch/x86/entry/common.c:359
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes: a9c8336f65 ("mlxsw: core: Add support for devlink info command")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We should not trigger a warning when a memory allocation fails. Remove
the WARN_ON().
The warning is constantly triggered by syzkaller when it is injecting
faults:
[ 2230.758664] FAULT_INJECTION: forcing a failure.
[ 2230.758664] name failslab, interval 1, probability 0, space 0, times 0
[ 2230.762329] CPU: 3 PID: 1407 Comm: syz-executor.0 Not tainted 5.8.0-rc2+ #28
...
[ 2230.898175] WARNING: CPU: 3 PID: 1407 at drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:6265 mlxsw_sp_router_fib_event+0xfad/0x13e0
[ 2230.898179] Kernel panic - not syncing: panic_on_warn set ...
[ 2230.898183] CPU: 3 PID: 1407 Comm: syz-executor.0 Not tainted 5.8.0-rc2+ #28
[ 2230.898190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014
Fixes: 3057224e01 ("mlxsw: spectrum_router: Implement FIB offload in deferred work")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Moshe Shemesh says:
====================
Add devlink-health support for devlink ports
Implement support for devlink health reporters on per-port basis.
This patchset comes to fix a design issue as some health reporters report
on errors and run recovery on device level while the actual functionality
is on port level. As for the current implemented devlink health reporters
it is relevant only to Tx and Rx reporters of mlx5, which has only one
port, so no real effect on functionality, but this should be fixed before
more drivers will use devlink health reporters.
First part in the series prepares common functions parts for health
reporter implementation. Second introduces required API to devlink-health
and mlx5e ones demonstrate its usage and implement the feature for mlx5
driver.
The per-port reporter functionality is achieved by adding a list of
devlink_health_reporters to devlink_port struct in a manner similar to
existing device infrastructure. This is the only major difference and
it makes possible to fully reuse device reporters operations.
The effect will be seen in conjunction with iproute2 additions and
will affect all devlink health commands. User can distinguish between
device and port reporters by looking at a devlink handle. Port reporters
have a port index at the end of the address and such addresses can be
provided as a parameter in every place where devlink-health accepted it.
These can be obtained from devlink port show command.
For example:
$ devlink health show
pci/0000:00:0a.0:
reporter fw
state healthy error 0 recover 0 auto_dump true
pci/0000:00:0a.0/1:
reporter tx
state healthy error 0 recover 0 grace_period 500 auto_recover true auto_dump true
$ devlink health set pci/0000:00:0a.0/1 reporter tx grace_period 1000 \
auto_recover false auto_dump false
$ devlink health show pci/0000:00:0a.0/1 reporter tx
pci/0000:00:0a.0/1:
reporter tx
state healthy error 0 recover 0 grace_period 1000 auto_recover flase auto_dump false
Note: User can use the same devlink health uAPI commands can get now either
port health reporter or device health reporter.
For example, the recover command:
Before this patchset: devlink health recover DEV reporter REPORTER_NAME
After this patchset: devlink health recover { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME
Changes v1 -> v2:
Fixed functions comment to match parameters list.
Changes v2 -> v3:
Added motivation to cover letter and note on uAPI.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Utilize new devlink-health port reporters API to move rx and tx
reporters from device to port.
Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Register devlink ports upon NIC init. TX and RX health reporters handle
errors which may occur early on at driver initialization. And because
these reporters are to be moved to port context, they require devlink
ports to be already registered.
Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In order to use new devlink port health reporters infrastructure, add
corresponding constructor and destructor functions.
Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add devlink-health reporter support on per-port basis.
The main difference existing devlink-health is that port reporters are
stored in per-devlink_port lists. Upon creation of such health reporter the
reference to a port it belongs to is stored in reporter struct.
Fill the port index attribute in devlink-health response to
allow devlink userspace utility to distinguish between device and port
reporters.
Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a generic __devlink_health_reporter_find_by_name() that can be used
with arbitrary devlink health reporter list.
Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Devlink keeps its own reference to every reporter in a list and inits
refcount to 1 upon reporter's creation. Existing destructor waits to
free the memory indefinitely using msleep() until all references except
devlink's own are put.
Rework this mechanism by moving memory free routine to a separate
function, which is called when the last reporter reference is put.
Besides, it allows to call __devlink_health_reporter_destroy() while
locked on a reporters list mutex in symmetry to
__devlink_health_reporter_create(), which is required in follow-up
patch.
Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Prepare a common routine in devlink_health_reporter_create() for usage
in similar functions for devlink port health reporters.
Signed-off-by: Vladyslav Tarasiuk <vladyslavt@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nicolas Ferre says:
====================
net: macb: Wake-on-Lan magic packet fixes and GEM handling
Here is a split series to fix WoL magic-packet on the current macb driver. Only
fixes in this one based on current net/master.
Changes in v5:
- Addressed the error code returned by phylink_ethtool_set_wol() as suggested
by Russell.
If PHY handles WoL, MAC doesn't stay in the way.
- Removed Florian's tag on 3/5 because of the above changes.
- Correct the "Fixes" tag on 1/5.
Changes in v4:
- Pure bug fix series for 'net'. GEM addition and MACB update removed: will be
sent later.
Changes in v3:
- Revert some of the v2 changes done in macb_resume(). Now the resume function
supports in-depth re-configuration of the controller in order to deal with
deeper sleep states. Basically as it was before changes introduced by this
series
- Tested for non-regression with our deeper Power Management mode which cuts
power to the controller completely
Changes in v2:
- Add patch 4/7 ("net: macb: fix macb_suspend() by removing call to netif_carrier_off()")
needed for keeping phy state consistent
- Add patch 5/7 ("net: macb: fix call to pm_runtime in the suspend/resume functions") that prevent
putting the macb in runtime pm suspend mode when WoL is used
- Collect review tags on 3 first patches from Florian: Thanks!
- Review of macb_resume() function
- Addition of pm_wakeup_event() in both MACB and GEM WoL IRQ handlers
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The calls to pm_runtime_force_suspend/resume() functions are only
relevant if the device is not configured to act as a WoL wakeup source.
Add the device_may_wakeup() test before calling them.
Fixes: 3e2a5e1539 ("net: macb: add wake-on-lan support via magic packet")
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Cc: Sergio Prado <sergio.prado@e-labworks.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As we now use the phylink call to phylink_stop() in the non-WoL path,
there is no need for this call to netif_carrier_off() anymore. It can
disturb the underlying phylink FSM.
Fixes: 7897b071ac ("net: macb: convert to phylink")
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Cc: Antoine Tenart <antoine.tenart@bootlin.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Keep previous function goals and integrate phylink actions to them.
phylink_ethtool_get_wol() is not enough to figure out if Ethernet driver
supports Wake-on-Lan.
Initialization of "supported" and "wolopts" members is done in phylink
function, no need to keep them in calling function.
phylink_ethtool_set_wol() return value is considered and determines
if the MAC has to handle WoL or not. The case where the PHY doesn't
implement WoL leads to the MAC configuring it to provide this feature.
Fixes: 7897b071ac ("net: macb: convert to phylink")
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Cc: Antoine Tenart <antoine.tenart@bootlin.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change the way the "magic-packet" DT property is handled in the
macb_probe() function, matching DT binding documentation.
Now we mark the device as "wakeup capable" instead of calling the
device_init_wakeup() function that would enable the wakeup source.
For Ethernet WoL, enabling the wakeup_source is done by
using ethtool and associated macb_set_wol() function that
already calls device_set_wakeup_enable() for this purpose.
That would reduce power consumption by cutting more clocks if
"magic-packet" property is set but WoL is not configured by ethtool.
Fixes: 3e2a5e1539 ("net: macb: add wake-on-lan support via magic packet")
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Cc: Sergio Prado <sergio.prado@e-labworks.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the proper struct device pointer to check if the wakeup flag
and wakeup source are positioned.
Use the one passed by function call which is equivalent to
&bp->dev->dev.parent.
It's preventing the trigger of a spurious interrupt in case the
Wake-on-Lan feature is used.
Fixes: d54f89af6c ("net: macb: Add pm runtime support")
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
mlx5 connection tracking offloads updates:
1) Restore CT state from lookup in zone instead of tupleid
On a miss, Use this zone + 5 tuple taken from the skb, to lookup the CT
entry and restore it, instead of the driver allocated tuple id.
This improves flow insertion rate by avoiding the allocation of a header
rewrite context to maintain the tupleid.
2) Re-use modify header HW objects for identical modify actions.
3) Expand tunnel register mappings
Reg_c1 is 32 bits wide. Before this patchset, 24 bit were allocated
for the tuple_id, 6 bits for tunnel mapping and 2 bits for tunnel
options mappings.
Restoring the ct state from zone lookup instead of tuple id requires
reg_c1 to store 8 bits mapping the ct zone, leaving 24 bits for tunnel
mappings.
Expand tunnel and tunnel options register mappings to 12 bit each.
4) Trivial cleanup and fixes.
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Merge tag 'mlx5-updates-2020-07-09' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2020-07-09
This series provides updates to mlx5 CT (connection tracking) offloads
For more information please see tag log below.
Please pull and let me know if there is any problem.
The following conflict is expected when net is merged into net-next:
to resolve just use the hunks from net-next.
<<<<<<< HEAD (net-next)
mlx5_tc_ct_del_ft_entry(ct_priv, entry);
kfree(entry);
======= (net)
mlx5_tc_ct_entry_del_rules(ct_priv, entry);
kfree(entry);
>>>>>>> b1a7d5bdfe54c98eca46e2c997d4e3b1484a49af
mlx5 connection tracking offloads updates:
1) Restore CT state from lookup in zone instead of tupleid
On a miss, Use this zone + 5 tuple taken from the skb, to lookup the CT
entry and restore it, instead of the driver allocated tuple id.
This improves flow insertion rate by avoiding the allocation of a header
rewrite context to maintain the tupleid.
2) Re-use modify header HW objects for identical modify actions.
3) Expand tunnel register mappings
Reg_c1 is 32 bits wide. Before this patchset, 24 bit were allocated
for the tuple_id, 6 bits for tunnel mapping and 2 bits for tunnel
options mappings.
Restoring the ct state from zone lookup instead of tuple id requires
reg_c1 to store 8 bits mapping the ct zone, leaving 24 bits for tunnel
mappings.
Expand tunnel and tunnel options register mappings to 12 bit each.
4) Trivial cleanup and fixes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexei Starovoitov says:
====================
pull-request: bpf 2020-07-09
The following pull-request contains BPF updates for your *net* tree.
We've added 4 non-merge commits during the last 1 day(s) which contain
a total of 4 files changed, 26 insertions(+), 15 deletions(-).
The main changes are:
1) fix crash in libbpf on 32-bit archs, from Jakub and Andrii.
2) fix crash when l2tp and bpf_sk_reuseport conflict, from Martin.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'mlx5-fixes-2020-07-02' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2020-07-02
This series introduces some fixes to mlx5 driver.
V1->v2:
- Drop "ip -s" patch and mirred device hold reference patch.
- Will revise them in a later submission.
Please pull and let me know if there is any problem.
For -stable v5.2
('net/mlx5: Fix eeprom support for SFP module')
For -stable v5.4
('net/mlx5e: Fix 50G per lane indication')
For -stable v5.5
('net/mlx5e: Fix CPU mapping after function reload to avoid aRFS RX crash')
('net/mlx5e: Fix VXLAN configuration restore after function reload')
For -stable v5.7
('net/mlx5e: CT: Fix memory leak in cleanup')
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski says:
====================
udp_tunnel: add NIC RX port offload infrastructure
Kernel has a facility to notify drivers about the UDP tunnel ports
so that devices can recognize tunneled packets. This is important
mostly for RX - devices which don't support CHECKSUM_COMPLETE can
report checksums of inner packets, and compute RSS over inner headers.
Some drivers also match the UDP tunnel ports also for TX, although
doing so may lead to false positives and negatives.
Unfortunately the user experience when trying to take adavantage
of these facilities is suboptimal. First of all there is no way
for users to check which ports are offloaded. Many drivers resort
to printing messages to aid debugging, other use debugfs. Even worse
the availability of the RX features (NETIF_F_RX_UDP_TUNNEL_PORT)
is established purely on the basis of the driver having the ndos
installed. For most drivers, however, the ability to perform offloads
is contingent on device capabilities (driver support multiple device
and firmware versions). Unless driver resorts to hackish clearing
of features set incorrectly by the core - users are left guessing
whether their device really supports UDP tunnel port offload or not.
There is currently no way to indicate or configure whether RX
features include just the checksum offload or checksum and using
inner headers for RSS. Many drivers default to not using inner
headers for RSS because most implementations populate the source
port with entropy from the inner headers. This, however, is not
always the case, for example certain switches are only able to
use a fixed source port during encapsulation.
We have also seen many driver authors get the intricacies of UDP
tunnel port offloads wrong. Most commonly the drivers forget to
perform reference counting, or take sleeping locks in the callbacks.
This work tries to improve the situation by pulling the UDP tunnel
port table maintenance out of the drivers. It turns out that almost
all drivers maintain a fixed size table of ports (in most cases one
per tunnel type), so we can take care of all the refcounting in the
core, and let the driver specify if they need to sleep in the
callbacks or not. The new common implementation will also support
replacing ports - when a port is removed from a full table it will
try to find a previously missing port to take its place.
This patch only implements the core functionality along with a few
drivers I was hoping to test manually [1] along with a test based
on a netdevsim implementation. Following patches will convert all
the drivers. Once that's complete we can remove the ndos, and rely
directly on the new infrastrucutre.
Then after RSS (RXFH) is converted to netlink we can add the ability
to configure the use of inner RSS headers for UDP tunnels.
[1] Unfortunately I wasn't able to, turns out 2 of the devices
I had access to were older generation or had old FW, and they
did not actually support UDP tunnel port notifications (see
the second paragraph). The thrid device appears to program
the UDP ports correctly but it generates bad UDP checksums with
or without these patches. Long story short - I'd appreciate
reviews and testing here..
v4:
- better build fix (hopefully this one does it..)
v3:
- fix build issue;
- improve bnxt changes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Convert to new infra, make use of the ability to sleep in the callback.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Convert to new infra, taking advantage of sleeping in callbacks.
v2:
- use bp->*_fw_dst_port_id != INVALID_HW_RING_ID as indication
that the offload is active.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make use of new common udp_tunnel_nic infra. ixgbe supports
IPv4 only, and only single VxLAN and Geneve ports (one each).
v2:
- split out the RXCSUM feature handling to separate change;
- declare structs separately;
- use ti.type instead of assuming table 0 is VxLAN;
- move setting netdev->udp_tunnel_nic_info to its own switch.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
It appears the clearing of UDP tunnel ports when RXCSUM
is disabled is unnecessary. Driver will not pay attention
to checksum bits if RXCSUM is not set, so we can let
the hardware parse the packets.
Note that the UDP tunnel port NDO handlers don't pay attention
to the state of RXCSUM, so the ports could had been re-programmed,
anyway.
This cleanup simplifies later conversion patch.
v2:
- break this out of the following patch.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add validating the UDP tunnel infra works.
$ ./udp_tunnel_nic.sh
PASSED all 383 checks
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add UDP tunnel port handlers to our fake driver so we can test
the core infra.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add an interface to report offloaded UDP ports via ethtool netlink.
Now that core takes care of tracking which UDP tunnel ports the NICs
are aware of we can quite easily export this information out to
user space.
The responsibility of writing the netlink dumps is split between
ethtool code and udp_tunnel_nic.c - since udp_tunnel module may
not always be loaded, yet we should always report the capabilities
of the NIC.
$ ethtool --show-tunnels eth0
Tunnel information for eth0:
UDP port table 0:
Size: 4
Types: vxlan
No entries
UDP port table 1:
Size: 4
Types: geneve, vxlan-gpe
Entries (1):
port 1230, vxlan-gpe
v4:
- back to v2, build fix is now directly in udp_tunnel.h
v3:
- don't compile ETHTOOL_MSG_TUNNEL_INFO_GET in if CONFIG_INET
not set.
v2:
- fix string set count,
- reorder enums in the uAPI,
- fix type of ETHTOOL_A_TUNNEL_UDP_TABLE_TYPES to bitset
in docs and comments.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cater to devices which:
(a) may want to sleep in the callbacks;
(b) only have IPv4 support;
(c) need all the programming to happen while the netdev is up.
Drivers attach UDP tunnel offload info struct to their netdevs,
where they declare how many UDP ports of various tunnel types
they support. Core takes care of tracking which ports to offload.
Use a fixed-size array since this matches what almost all drivers
do, and avoids a complexity and uncertainty around memory allocations
in an atomic context.
Make sure that tunnel drivers don't try to replay the ports when
new NIC netdev is registered. Automatic replays would mess up
reference counting, and will be removed completely once all drivers
are converted.
v4:
- use a #define NULL to avoid build issues with CONFIG_INET=n.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make it possible to use tunnel types as flags more easily.
There doesn't appear to be any user using the type as an
array index, so this should make no difference.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
debugfs_create_u32_array() allocates a small structure to wrap
the data and size information about the array. If users ever
try to remove the file this leads to a leak since nothing ever
frees this wrapper.
That said there are no upstream users of debugfs_create_u32_array()
that'd remove a u32 array file (we only have one u32 array user in
CMA), so there is no real bug here.
Make callers pass a wrapper they allocated. This way the lifetime
management of the wrapper is on the caller, and we can avoid the
potential leak in debugfs.
CC: Chucheng Luo <luochucheng@vivo.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Small update, a few more merge window bugs and normal driver bug fixes:
- Two merge window regressions in mlx5: a error path bug found by
syzkaller and some lost code during a rework preventing ipoib from
working in some configurations
- Silence clang compilation warning in OPA related code
- Fix a long standing race condition in ib_nl for ACM
- Resolve when the HFI1 is shutdown
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Small update, a few more merge window bugs and normal driver bug
fixes:
- Two merge window regressions in mlx5: a error path bug found by
syzkaller and some lost code during a rework preventing ipoib from
working in some configurations
- Silence clang compilation warning in OPA related code
- Fix a long standing race condition in ib_nl for ACM
- Resolve when the HFI1 is shutdown"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/mlx5: Set PD pointers for the error flow unwind
IB/mlx5: Fix 50G per lane indication
RDMA/siw: Fix reporting vendor_part_id
IB/sa: Resolv use-after-free in ib_nl_make_request()
IB/hfi1: Do not destroy link_wq when the device is shut down
IB/hfi1: Do not destroy hfi1_wq when the device is shut down
RDMA/mlx5: Fix legacy IPoIB QP initialization
IB/hfi1: Add explicit cast OPA_MTU_8192 to 'enum ib_mtu'
This Kselftest fixes update for Linux 5.8-rc5 consists of tmp2 test
changes to run on python3 and kselftest framework fix to incorrect
return type.
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Merge tag 'linux-kselftest-fixes-5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"TPM2 test changes to run on python3 and kselftest framework fix to
incorrect return type"
* tag 'linux-kselftest-fixes-5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kselftest: ksft_test_num return type should be unsigned
selftests: tpm: upgrade TPM2 tests from Python 2 to Python 3
