Commit Graph

961940 Commits

Author SHA1 Message Date
Alexander Ovechkin
b7c24497ba mpls: load mpls_gso after mpls_iptunnel
mpls_iptunnel is used only for mpls encapsuation, and if encaplusated
packet is larger than MTU we need mpls_gso for segmentation.

Signed-off-by: Alexander Ovechkin <ovov@yandex-team.ru>
Acked-by: Dmitry Yakunin <zeil@yandex-team.ru>
Reviewed-by: David Ahern <dsahern@gmail.com>
Link: https://lore.kernel.org/r/20201020114333.26866-1-ovov@yandex-team.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 21:16:45 -07:00
Davide Caratti
a7a12b5a0f net/sched: act_tunnel_key: fix OOB write in case of IPv6 ERSPAN tunnels
the following command

 # tc action add action tunnel_key \
 > set src_ip 2001:db8::1 dst_ip 2001:db8::2 id 10 erspan_opts 1:6789:0:0

generates the following splat:

 BUG: KASAN: slab-out-of-bounds in tunnel_key_copy_opts+0xcc9/0x1010 [act_tunnel_key]
 Write of size 4 at addr ffff88813f5f1cc8 by task tc/873

 CPU: 2 PID: 873 Comm: tc Not tainted 5.9.0+ #282
 Hardware name: Red Hat KVM, BIOS 1.11.1-4.module+el8.1.0+4066+0f1aadab 04/01/2014
 Call Trace:
  dump_stack+0x99/0xcb
  print_address_description.constprop.7+0x1e/0x230
  kasan_report.cold.13+0x37/0x7c
  tunnel_key_copy_opts+0xcc9/0x1010 [act_tunnel_key]
  tunnel_key_init+0x160c/0x1f40 [act_tunnel_key]
  tcf_action_init_1+0x5b5/0x850
  tcf_action_init+0x15d/0x370
  tcf_action_add+0xd9/0x2f0
  tc_ctl_action+0x29b/0x3a0
  rtnetlink_rcv_msg+0x341/0x8d0
  netlink_rcv_skb+0x120/0x380
  netlink_unicast+0x439/0x630
  netlink_sendmsg+0x719/0xbf0
  sock_sendmsg+0xe2/0x110
  ____sys_sendmsg+0x5ba/0x890
  ___sys_sendmsg+0xe9/0x160
  __sys_sendmsg+0xd3/0x170
  do_syscall_64+0x33/0x40
  entry_SYSCALL_64_after_hwframe+0x44/0xa9
 RIP: 0033:0x7f872a96b338
 Code: 89 02 48 c7 c0 ff ff ff ff eb b5 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 25 43 2c 00 8b 00 85 c0 75 17 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 41 54 41 89 d4 55
 RSP: 002b:00007ffffe367518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
 RAX: ffffffffffffffda RBX: 000000005f8f5aed RCX: 00007f872a96b338
 RDX: 0000000000000000 RSI: 00007ffffe367580 RDI: 0000000000000003
 RBP: 0000000000000000 R08: 0000000000000001 R09: 000000000000001c
 R10: 000000000000000b R11: 0000000000000246 R12: 0000000000000001
 R13: 0000000000686760 R14: 0000000000000601 R15: 0000000000000000

 Allocated by task 873:
  kasan_save_stack+0x19/0x40
  __kasan_kmalloc.constprop.7+0xc1/0xd0
  __kmalloc+0x151/0x310
  metadata_dst_alloc+0x20/0x40
  tunnel_key_init+0xfff/0x1f40 [act_tunnel_key]
  tcf_action_init_1+0x5b5/0x850
  tcf_action_init+0x15d/0x370
  tcf_action_add+0xd9/0x2f0
  tc_ctl_action+0x29b/0x3a0
  rtnetlink_rcv_msg+0x341/0x8d0
  netlink_rcv_skb+0x120/0x380
  netlink_unicast+0x439/0x630
  netlink_sendmsg+0x719/0xbf0
  sock_sendmsg+0xe2/0x110
  ____sys_sendmsg+0x5ba/0x890
  ___sys_sendmsg+0xe9/0x160
  __sys_sendmsg+0xd3/0x170
  do_syscall_64+0x33/0x40
  entry_SYSCALL_64_after_hwframe+0x44/0xa9

 The buggy address belongs to the object at ffff88813f5f1c00
  which belongs to the cache kmalloc-256 of size 256
 The buggy address is located 200 bytes inside of
  256-byte region [ffff88813f5f1c00, ffff88813f5f1d00)
 The buggy address belongs to the page:
 page:0000000011b48a19 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x13f5f0
 head:0000000011b48a19 order:1 compound_mapcount:0
 flags: 0x17ffffc0010200(slab|head)
 raw: 0017ffffc0010200 0000000000000000 0000000d00000001 ffff888107c43400
 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
 page dumped because: kasan: bad access detected

 Memory state around the buggy address:
  ffff88813f5f1b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
  ffff88813f5f1c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 >ffff88813f5f1c80: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
                                               ^
  ffff88813f5f1d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
  ffff88813f5f1d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc

using IPv6 tunnels, act_tunnel_key allocates a fixed amount of memory for
the tunnel metadata, but then it expects additional bytes to store tunnel
specific metadata with tunnel_key_copy_opts().

Fix the arguments of __ipv6_tun_set_dst(), so that 'md_size' contains the
size previously computed by tunnel_key_get_opts_len(), like it's done for
IPv4 tunnels.

Fixes: 0ed5269f9e ("net/sched: add tunnel option support to act_tunnel_key")
Reported-by: Shuang Li <shuali@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Link: https://lore.kernel.org/r/36ebe969f6d13ff59912d6464a4356fe6f103766.1603231100.git.dcaratti@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 21:10:41 -07:00
Guillaume Nault
b130762161 net/sched: act_gate: Unlock ->tcfa_lock in tc_setup_flow_action()
We need to jump to the "err_out_locked" label when
tcf_gate_get_entries() fails. Otherwise, tc_setup_flow_action() exits
with ->tcfa_lock still held.

Fixes: d29bdd69ec ("net: schedule: add action gate offloading")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Link: https://lore.kernel.org/r/12f60e385584c52c22863701c0185e40ab08a7a7.1603207948.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 21:00:52 -07:00
Colin Ian King
d978d6d008 net: dsa: bcm_sf2: make const array static, makes object smaller
Don't populate the const array rate_table on the stack but instead it
static. Makes the object code smaller by 46 bytes.

Before:
   text	   data	    bss	    dec	    hex	filename
  29812	   3824	    192	  33828	   8424	drivers/net/dsa/bcm_sf2.o

After:
   text	   data	    bss	    dec	    hex	filename
  29670	   3920	    192	  33782	   83f6	drivers/net/dsa/bcm_sf2.o

(gcc version 10.2.0)

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20201020165029.56383-1-colin.king@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 20:57:57 -07:00
Geert Uytterhoeven
010b430d5d mptcp: MPTCP_IPV6 should depend on IPV6 instead of selecting it
MPTCP_IPV6 selects IPV6, thus enabling an optional feature the user may
not want to enable.  Fix this by making MPTCP_IPV6 depend on IPV6, like
is done for all other IPv6 features.

Fixes: f870fa0b57 ("mptcp: Add MPTCP socket stubs")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Link: https://lore.kernel.org/r/20201020073839.29226-1-geert@linux-m68k.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 20:54:08 -07:00
Randy Dunlap
6e915b2748 net: chelsio: inline_crypto: fix Kconfig and build errors
Fix build errors when TLS=m, TLS_TOE=y, and CRYPTO_DEV_CHELSIO_TLS=y.

Having (tristate) CRYPTO_DEV_CHELSIO_TLS depend on (bool) TLS_TOE
is not strong enough to prevent the bad combination of TLS=m and
CRYPTO_DEV_CHELSIO_TLS=y, so add a dependency on TLS to prevent the
problematic kconfig combination.

Fixes these build errors:

hppa-linux-ld: drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.o: in function `chtls_free_uld':
 drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c:165: undefined reference to `tls_toe_unregister_device'
hppa-linux-ld: drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.o: in function `chtls_register_dev':
drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c:204: undefined reference to `tls_toe_register_device'

Fixes: 53b4414a70 ("net/tls: allow compiling TLS TOE out")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20201019181059.22634-1-rdunlap@infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 18:15:53 -07:00
Jakub Kicinski
d1ffbf283b Merge branch 'chelsio-chtls-fix-inline-tls-bugs'
Vinay Kumar Yadav says:

====================
chelsio/chtls: Fix inline tls bugs

This series of patches fix following bugs in chelsio inline tls driver.

Patch1: Fix incorrect socket lock.
Patch2: correct netdevice for vlan interface.
Patch3: Fix panic when server is listening on ipv6.
Patch4: Fix panic when listen on multiadapter.
Patch5: correct function return and return type.
Patch6: Fix writing freed memory.
====================

Link: https://lore.kernel.org/r/20201019115025.24233-1-vinay.yadav@chelsio.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 17:29:20 -07:00
Vinay Kumar Yadav
da1a039bcf chelsio/chtls: fix writing freed memory
When chtls_sock *csk is freed, same memory can be allocated
to different csk in chtls_sock_create().
csk->cdev = NULL; statement might ends up modifying wrong
csk, eventually causing kernel panic.
removing (csk->cdev = NULL) statement as it is not required.

Fixes: 3a0a978389 ("crypto/chtls: Fix chtls crash in connection cleanup")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 17:29:17 -07:00
Vinay Kumar Yadav
8580a61aed chelsio/chtls: correct function return and return type
csk_mem_free() should return true if send buffer is available,
false otherwise.

Fixes: 3b8305f5c8 ("crypto: chtls - wait for memory sendmsg, sendpage")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 17:29:17 -07:00
Vinay Kumar Yadav
9819f22c41 chelsio/chtls: Fix panic when listen on multiadapter
Add the logic to compare net_device returned by ip_dev_find()
with the net_device list in cdev->ports[] array and return
net_device if matched else NULL.

Fixes: 6abde0b241 ("crypto/chtls: IPv6 support for inline TLS")
Signed-off-by: Venkatesh Ellapu <venkatesh.e@chelsio.com>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 17:29:17 -07:00
Vinay Kumar Yadav
86cdf9ca44 chelsio/chtls: fix panic when server is on ipv6
Netdev is filled in egress_dev when connection is established,
If connection is closed before establishment, then egress_dev
is NULL, Fix it using ip_dev_find() rather then extracting from
egress_dev.

Fixes: 6abde0b241 ("crypto/chtls: IPv6 support for inline TLS")
Signed-off-by: Venkatesh Ellapu <venkatesh.e@chelsio.com>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 17:29:17 -07:00
Vinay Kumar Yadav
81519d1f7d chelsio/chtls: correct netdevice for vlan interface
Check if netdevice is a vlan interface and find real vlan netdevice.

Fixes: cc35c88ae4 ("crypto : chtls - CPL handler definition")
Signed-off-by: Venkatesh Ellapu <venkatesh.e@chelsio.com>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 17:29:16 -07:00
Vinay Kumar Yadav
0fb5f0160a chelsio/chtls: fix socket lock
In chtls_sendpage() socket lock is released but not acquired,
fix it by taking lock.

Fixes: 36bedb3f2e ("crypto: chtls - Inline TLS record Tx")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 17:29:16 -07:00
Defang Bo
280e3ebdaf nfc: Ensure presence of NFC_ATTR_FIRMWARE_NAME attribute in nfc_genl_fw_download()
Check that the NFC_ATTR_FIRMWARE_NAME attributes are provided by
the netlink client prior to accessing them.This prevents potential
unhandled NULL pointer dereference exceptions which can be triggered
by malicious user-mode programs, if they omit one or both of these
attributes.

Similar to commit a0323b979f ("nfc: Ensure presence of required attributes in the activate_target handler").

Fixes: 9674da8759 ("NFC: Add firmware upload netlink command")
Signed-off-by: Defang Bo <bodefang@126.com>
Link: https://lore.kernel.org/r/1603107538-4744-1-git-send-email-bodefang@126.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 17:06:22 -07:00
Geert Uytterhoeven
b142083b58 mptcp: MPTCP_KUNIT_TESTS should depend on MPTCP instead of selecting it
MPTCP_KUNIT_TESTS selects MPTCP, thus enabling an optional feature the
user may not want to enable.  Fix this by making the test depend on
MPTCP instead.

Fixes: a00a582203 ("mptcp: move crypto test to KUNIT")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Link: https://lore.kernel.org/r/20201019113240.11516-1-geert@linux-m68k.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 16:50:06 -07:00
Jakub Kicinski
e8488574e3 Merge branch 'init-ahmac-and-port-of-mptcp_options_received'
Geliang Tang says:

====================
init ahmac and port of mptcp_options_received

This patchset deals with initializations of mptcp_options_received's two
fields, ahmac and port.
====================

Link: https://lore.kernel.org/r/cover.1603102503.git.geliangtang@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 16:32:59 -07:00
Geliang Tang
65b8c8a620 mptcp: move mptcp_options_received's port initialization
Move mptcp_options_received's port initialization from
mptcp_parse_option to mptcp_get_options, put it together with
the other fields initializations of mptcp_options_received.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 16:32:36 -07:00
Geliang Tang
fe2d9b1a0e mptcp: initialize mptcp_options_received's ahmac
Initialize mptcp_options_received's ahmac to zero, otherwise it
will be a random number when receiving ADD_ADDR suboption with echo-flag=1.

Fixes: 3df523ab58 ("mptcp: Add ADD_ADDR handling")
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 16:32:14 -07:00
Roi Dayan
47b5d2a107 net/sched: act_ct: Fix adding udp port mangle operation
Need to use the udp header type and not tcp.

Fixes: 9c26ba9b1f ("net/sched: act_ct: Instantiate flow table entry actions")
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Link: https://lore.kernel.org/r/20201019090244.3015186-1-roid@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 16:15:51 -07:00
Ard Biesheuvel
acd7aaf51b netsec: ignore 'phy-mode' device property on ACPI systems
Since commit bbc4d71d63 ("net: phy: realtek: fix rtl8211e rx/tx
delay config"), the Realtek PHY driver will override any TX/RX delay
set by hardware straps if the phy-mode device property does not match.

This is causing problems on SynQuacer based platforms (the only SoC
that incorporates the netsec hardware), since many were built with
this Realtek PHY, and shipped with firmware that defines the phy-mode
as 'rgmii', even though the PHY is configured for TX and RX delay using
pull-ups.

From the driver's perspective, we should not make any assumptions in
the general case that the PHY hardware does not require any initial
configuration. However, the situation is slightly different for ACPI
boot, since it implies rich firmware with AML abstractions to handle
hardware details that are not exposed to the OS. So in the ACPI case,
it is reasonable to assume that the PHY comes up in the right mode,
regardless of whether the mode is set by straps, by boot time firmware
or by AML executed by the ACPI interpreter.

So let's ignore the 'phy-mode' device property when probing the netsec
driver in ACPI mode, and hardcode the mode to PHY_INTERFACE_MODE_NA,
which should work with any PHY provided that it is configured by the
time the driver attaches to it. While at it, document that omitting
the mode is permitted for DT probing as well, by setting the phy-mode
DT property to the empty string.

Fixes: 533dd11a12 ("net: socionext: Add Synquacer NetSec driver")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20201018163625.2392-1-ardb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 15:59:43 -07:00
Tom Rix
618355cc6a nfc: remove unneeded break
A break is not needed if it is preceded by a return

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20201019191500.9264-1-trix@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 10:36:41 -07:00
Tom Rix
7ebb9db011 net: remove unneeded break
A break is not needed if it is preceded by a return or goto

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20201019172607.31622-1-trix@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-20 10:28:21 -07:00
Ido Schimmel
df6afe2f7c nexthop: Fix performance regression in nexthop deletion
While insertion of 16k nexthops all using the same netdev ('dummy10')
takes less than a second, deletion takes about 130 seconds:

# time -p ip -b nexthop.batch
real 0.29
user 0.01
sys 0.15

# time -p ip link set dev dummy10 down
real 131.03
user 0.06
sys 0.52

This is because of repeated calls to synchronize_rcu() whenever a
nexthop is removed from a nexthop group:

# /usr/share/bcc/tools/offcputime -p `pgrep -nx ip` -K
...
    b'finish_task_switch'
    b'schedule'
    b'schedule_timeout'
    b'wait_for_completion'
    b'__wait_rcu_gp'
    b'synchronize_rcu.part.0'
    b'synchronize_rcu'
    b'__remove_nexthop'
    b'remove_nexthop'
    b'nexthop_flush_dev'
    b'nh_netdev_event'
    b'raw_notifier_call_chain'
    b'call_netdevice_notifiers_info'
    b'__dev_notify_flags'
    b'dev_change_flags'
    b'do_setlink'
    b'__rtnl_newlink'
    b'rtnl_newlink'
    b'rtnetlink_rcv_msg'
    b'netlink_rcv_skb'
    b'rtnetlink_rcv'
    b'netlink_unicast'
    b'netlink_sendmsg'
    b'____sys_sendmsg'
    b'___sys_sendmsg'
    b'__sys_sendmsg'
    b'__x64_sys_sendmsg'
    b'do_syscall_64'
    b'entry_SYSCALL_64_after_hwframe'
    -                ip (277)
        126554955

Since nexthops are always deleted under RTNL, synchronize_net() can be
used instead. It will call synchronize_rcu_expedited() which only blocks
for several microseconds as opposed to multiple milliseconds like
synchronize_rcu().

With this patch deletion of 16k nexthops takes less than a second:

# time -p ip link set dev dummy10 down
real 0.12
user 0.00
sys 0.04

Tested with fib_nexthops.sh which includes torture tests that prompted
the initial change:

# ./fib_nexthops.sh
...
Tests passed: 134
Tests failed:   0

Fixes: 90f33bffa3 ("nexthops: don't modify published nexthop groups")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Link: https://lore.kernel.org/r/20201016172914.643282-1-idosch@idosch.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-19 20:07:15 -07:00
Maxim Kochetkov
a15a6afb3b net: dsa: seville: the packet buffer is 2 megabits, not megabytes
The VSC9953 Seville switch has 2 megabits of buffer split into 4360
words of 60 bytes each. 2048 * 1024 is 2 megabytes instead of 2 megabits.
2 megabits is (2048 / 8) * 1024 = 256 * 1024.

Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Fixes: a63ed92d21 ("net: dsa: seville: fix buffer size of the queue system")
Link: https://lore.kernel.org/r/20201019050625.21533-1-fido_max@inbox.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-19 18:03:42 -07:00
Po-Hsu Lin
26ebd6fed9 selftests: rtnetlink: load fou module for kci_test_encap_fou() test
The kci_test_encap_fou() test from kci_test_encap() in rtnetlink.sh
needs the fou module to work. Otherwise it will fail with:

  $ ip netns exec "$testns" ip fou add port 7777 ipproto 47
  RTNETLINK answers: No such file or directory
  Error talking to the kernel

Add the CONFIG_NET_FOU into the config file as well. Which needs at
least to be set as a loadable module.

Fixes: 6227efc1a2 ("selftests: rtnetlink.sh: add vxlan and fou test cases")
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Link: https://lore.kernel.org/r/20201019030928.9859-1-po-hsu.lin@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-19 17:55:29 -07:00
Christian Eggers
bc7e343dbd net: dsa: tag_ksz: KSZ8795 and KSZ9477 also use tail tags
The Marvell 88E6060 uses tag_trailer.c and the KSZ8795, KSZ9477 and
KSZ9893 switches also use tail tags.

Fixes: 7a6ffe764b ("net: dsa: point out the tail taggers")
Signed-off-by: Christian Eggers <ceggers@arri.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20201016171603.10587-1-ceggers@arri.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-19 17:32:50 -07:00
Valentin Vidic
3bd57b9055 net: korina: cast KSEG0 address to pointer in kfree
Fixes gcc warning:

passing argument 1 of 'kfree' makes pointer from integer without a cast

Fixes: 3af5f0f5c7 ("net: korina: fix kfree of rx/tx descriptor array")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr>
Link: https://lore.kernel.org/r/20201018184255.28989-1-vvidic@valentin-vidic.from.hr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-19 17:00:00 -07:00
Heiner Kallweit
424a646e07 r8169: fix operation under forced interrupt threading
For several network drivers it was reported that using
__napi_schedule_irqoff() is unsafe with forced threading. One way to
fix this is switching back to __napi_schedule, but then we lose the
benefit of the irqoff version in general. As stated by Eric it doesn't
make sense to make the minimal hard irq handlers in drivers using NAPI
a thread. Therefore ensure that the hard irq handler is never
thread-ified.

Fixes: 9a899a35b0 ("r8169: switch to napi_schedule_irqoff")
Link: https://lkml.org/lkml/2020/10/18/19
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/4d3ef84a-c812-5072-918a-22a6f6468310@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-19 16:55:54 -07:00
Taehee Yoo
0e8b8d6a2d net: core: use list_del_init() instead of list_del() in netdev_run_todo()
dev->unlink_list is reused unless dev is deleted.
So, list_del() should not be used.
Due to using list_del(), dev->unlink_list can't be reused so that
dev->nested_level update logic doesn't work.
In order to fix this bug, list_del_init() should be used instead
of list_del().

Test commands:
    ip link add bond0 type bond
    ip link add bond1 type bond
    ip link set bond0 master bond1
    ip link set bond0 nomaster
    ip link set bond1 master bond0
    ip link set bond1 nomaster

Splat looks like:
[  255.750458][ T1030] ============================================
[  255.751967][ T1030] WARNING: possible recursive locking detected
[  255.753435][ T1030] 5.9.0-rc8+ #772 Not tainted
[  255.754553][ T1030] --------------------------------------------
[  255.756047][ T1030] ip/1030 is trying to acquire lock:
[  255.757304][ T1030] ffff88811782a280 (&dev_addr_list_lock_key/1){+...}-{2:2}, at: dev_mc_sync_multiple+0xc2/0x150
[  255.760056][ T1030]
[  255.760056][ T1030] but task is already holding lock:
[  255.761862][ T1030] ffff88811130a280 (&dev_addr_list_lock_key/1){+...}-{2:2}, at: bond_enslave+0x3d4d/0x43e0 [bonding]
[  255.764581][ T1030]
[  255.764581][ T1030] other info that might help us debug this:
[  255.766645][ T1030]  Possible unsafe locking scenario:
[  255.766645][ T1030]
[  255.768566][ T1030]        CPU0
[  255.769415][ T1030]        ----
[  255.770259][ T1030]   lock(&dev_addr_list_lock_key/1);
[  255.771629][ T1030]   lock(&dev_addr_list_lock_key/1);
[  255.772994][ T1030]
[  255.772994][ T1030]  *** DEADLOCK ***
[  255.772994][ T1030]
[  255.775091][ T1030]  May be due to missing lock nesting notation
[  255.775091][ T1030]
[  255.777182][ T1030] 2 locks held by ip/1030:
[  255.778299][ T1030]  #0: ffffffffb1f63250 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2e4/0x8b0
[  255.780600][ T1030]  #1: ffff88811130a280 (&dev_addr_list_lock_key/1){+...}-{2:2}, at: bond_enslave+0x3d4d/0x43e0 [bonding]
[  255.783411][ T1030]
[  255.783411][ T1030] stack backtrace:
[  255.784874][ T1030] CPU: 7 PID: 1030 Comm: ip Not tainted 5.9.0-rc8+ #772
[  255.786595][ T1030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
[  255.789030][ T1030] Call Trace:
[  255.789850][ T1030]  dump_stack+0x99/0xd0
[  255.790882][ T1030]  __lock_acquire.cold.71+0x166/0x3cc
[  255.792285][ T1030]  ? register_lock_class+0x1a30/0x1a30
[  255.793619][ T1030]  ? rcu_read_lock_sched_held+0x91/0xc0
[  255.794963][ T1030]  ? rcu_read_lock_bh_held+0xa0/0xa0
[  255.796246][ T1030]  lock_acquire+0x1b8/0x850
[  255.797332][ T1030]  ? dev_mc_sync_multiple+0xc2/0x150
[  255.798624][ T1030]  ? bond_enslave+0x3d4d/0x43e0 [bonding]
[  255.800039][ T1030]  ? check_flags+0x50/0x50
[  255.801143][ T1030]  ? lock_contended+0xd80/0xd80
[  255.802341][ T1030]  _raw_spin_lock_nested+0x2e/0x70
[  255.803592][ T1030]  ? dev_mc_sync_multiple+0xc2/0x150
[  255.804897][ T1030]  dev_mc_sync_multiple+0xc2/0x150
[  255.806168][ T1030]  bond_enslave+0x3d58/0x43e0 [bonding]
[  255.807542][ T1030]  ? __lock_acquire+0xe53/0x51b0
[  255.808824][ T1030]  ? bond_update_slave_arr+0xdc0/0xdc0 [bonding]
[  255.810451][ T1030]  ? check_chain_key+0x236/0x5e0
[  255.811742][ T1030]  ? mutex_is_locked+0x13/0x50
[  255.812910][ T1030]  ? rtnl_is_locked+0x11/0x20
[  255.814061][ T1030]  ? netdev_master_upper_dev_get+0xf/0x120
[  255.815553][ T1030]  do_setlink+0x94c/0x3040
[ ... ]

Reported-by: syzbot+4a0f7bc34e3997a6c7df@syzkaller.appspotmail.com
Fixes: 1fc70edb7d ("net: core: add nested_level variable in net_device")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Link: https://lore.kernel.org/r/20201015162606.9377-1-ap420073@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-18 14:50:25 -07:00
Jakub Kicinski
bd7f14df94 ixgbe: fix probing of multi-port devices with one MDIO
Ian reports that after upgrade from v5.8.14 to v5.9 only one
of his 4 ixgbe netdevs appear in the system.

Quoting the comment on ixgbe_x550em_a_has_mii():
 * Returns true if hw points to lowest numbered PCI B:D.F x550_em_a device in
 * the SoC.  There are up to 4 MACs sharing a single MDIO bus on the x550em_a,
 * but we only want to register one MDIO bus.

This matches the symptoms, since the return value from
ixgbe_mii_bus_init() is no longer ignored we need to handle
the higher ports of x550em without an error.

Fixes: 09ef193fef ("net: ethernet: ixgbe: check the return value of ixgbe_mii_bus_init()")
Reported-by: Ian Kumlien <ian.kumlien@gmail.com>
Tested-by: Ian Kumlien <ian.kumlien@gmail.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Link: https://lore.kernel.org/r/20201016232006.3352947-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-18 13:01:22 -07:00
Anant Thazhemadam
60f1626f0f net: usb: rtl8150: don't incorrectly assign random MAC addresses
In set_ethernet_addr(), if get_registers() succeeds, the ethernet address
that was read must be copied over. Otherwise, a random ethernet address
must be assigned.

get_registers() returns 0 if successful, and negative error number
otherwise. However, in set_ethernet_addr(), this return value is
incorrectly checked.

Since this return value will never be equal to sizeof(node_id), a
random MAC address will always be generated and assigned to the
device; even in cases when get_registers() is successful.

Correctly modifying the condition that checks if get_registers() was
successful or not fixes this problem, and copies the ethernet address
appropriately.

Fixes: b2a0f274e3 ("net: rtl8150: Use the new usb control message API.")
Signed-off-by: Anant Thazhemadam <anant.thazhemadam@gmail.com>
Link: https://lore.kernel.org/r/20201011173030.141582-1-anant.thazhemadam@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-18 12:57:30 -07:00
Ido Schimmel
71a0e29e99 selftests: forwarding: Add missing 'rp_filter' configuration
When 'rp_filter' is configured in strict mode (1) the tests fail because
packets received from the macvlan netdevs would not be forwarded through
them on the reverse path.

Fix this by disabling the 'rp_filter', meaning no source validation is
performed.

Fixes: 1538812e08 ("selftests: forwarding: Add a test for VXLAN asymmetric routing")
Fixes: 438a4f5665 ("selftests: forwarding: Add a test for VXLAN symmetric routing")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reported-by: Hangbin Liu <liuhangbin@gmail.com>
Tested-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20201015084525.135121-1-idosch@idosch.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-18 12:47:32 -07:00
Eelco Chaudron
f981fc3d51 net: openvswitch: fix to make sure flow_lookup() is not preempted
The flow_lookup() function uses per CPU variables, which must be called
with BH disabled. However, this is fine in the general NAPI use case
where the local BH is disabled. But, it's also called from the netlink
context. The below patch makes sure that even in the netlink path, the
BH is disabled.

In addition, u64_stats_update_begin() requires a lock to ensure one writer
which is not ensured here. Making it per-CPU and disabling NAPI (softirq)
ensures that there is always only one writer.

Fixes: eac87c413b ("net: openvswitch: reorder masks array based on usage")
Reported-by: Juri Lelli <jlelli@redhat.com>
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://lore.kernel.org/r/160295903253.7789.826736662555102345.stgit@ebuild
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-18 12:29:36 -07:00
Ioana Ciornei
f355a55f82 net: pcs-xpcs: depend on MDIO_BUS instead of selecting it
The below compile time error can be seen when PHYLIB is configured as a
module.

 ld: drivers/net/pcs/pcs-xpcs.o: in function `xpcs_read':
 pcs-xpcs.c:(.text+0x29): undefined reference to `mdiobus_read'
 ld: drivers/net/pcs/pcs-xpcs.o: in function `xpcs_soft_reset.constprop.7':
 pcs-xpcs.c:(.text+0x80): undefined reference to `mdiobus_write'
 ld: drivers/net/pcs/pcs-xpcs.o: in function `xpcs_config_aneg':
 pcs-xpcs.c:(.text+0x318): undefined reference to `mdiobus_write'
 ld: pcs-xpcs.c:(.text+0x38e): undefined reference to `mdiobus_write'
 ld: pcs-xpcs.c:(.text+0x3eb): undefined reference to `mdiobus_write'
 ld: pcs-xpcs.c:(.text+0x437): undefined reference to `mdiobus_write'
 ld: drivers/net/pcs/pcs-xpcs.o:pcs-xpcs.c:(.text+0xb1e): more undefined references to `mdiobus_write' follow

PHYLIB being a module leads to MDIO_BUS being a module as well while the
XPCS is still built-in. What should happen in this configuration is that
PCS_XPCS should be forced to build as module. However, that select only
acts in the opposite way so we should turn it into a depends.

Fix this up by explicitly depending on MDIO_BUS.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Fixes: 2fa4e4b799 ("net: pcs: Move XPCS into new PCS subdirectory")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-16 16:54:11 -07:00
Eric Dumazet
b38e7819ca icmp: randomize the global rate limiter
Keyu Man reported that the ICMP rate limiter could be used
by attackers to get useful signal. Details will be provided
in an upcoming academic publication.

Our solution is to add some noise, so that the attackers
no longer can get help from the predictable token bucket limiter.

Fixes: 4cdf507d54 ("icmp: add a global rate limitation")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Keyu Man <kman001@ucr.edu>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-16 16:47:09 -07:00
Dylan Hung
137d23cea1 net: ftgmac100: Fix Aspeed ast2600 TX hang issue
The new HW arbitration feature on Aspeed ast2600 will cause MAC TX to
hang when handling scatter-gather DMA.  Disable the problematic feature
by setting MAC register 0x58 bit28 and bit27.

Fixes: 39bfab8844 ("net: ftgmac100: Add support for DT phy-handle property")
Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-16 15:36:34 -07:00
Hoang Huu Le
ec78e31852 tipc: fix incorrect setting window for bcast link
In commit 16ad3f4022
("tipc: introduce variable window congestion control"), we applied
the algorithm to select window size from minimum window to the
configured maximum window for unicast link, and, besides we chose
to keep the window size for broadcast link unchanged and equal (i.e
fix window 50)

However, when setting maximum window variable via command, the window
variable was re-initialized to unexpect value (i.e 32).

We fix this by updating the fix window for broadcast as we stated.

Fixes: 16ad3f4022 ("tipc: introduce variable window congestion control")
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Hoang Huu Le <hoang.h.le@dektech.com.au>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-16 14:09:12 -07:00
Hoang Huu Le
75cee397ae tipc: re-configure queue limit for broadcast link
The queue limit of the broadcast link is being calculated base on initial
MTU. However, when MTU value changed (e.g manual changing MTU on NIC
device, MTU negotiation etc.,) we do not re-calculate queue limit.
This gives throughput does not reflect with the change.

So fix it by calling the function to re-calculate queue limit of the
broadcast link.

Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Hoang Huu Le <hoang.h.le@dektech.com.au>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-16 14:09:12 -07:00
Linus Torvalds
9ff9b0d392 networking changes for the 5.10 merge window
Add redirect_neigh() BPF packet redirect helper, allowing to limit stack
 traversal in common container configs and improving TCP back-pressure.
 Daniel reports ~10Gbps => ~15Gbps single stream TCP performance gain.
 
 Expand netlink policy support and improve policy export to user space.
 (Ge)netlink core performs request validation according to declared
 policies. Expand the expressiveness of those policies (min/max length
 and bitmasks). Allow dumping policies for particular commands.
 This is used for feature discovery by user space (instead of kernel
 version parsing or trial and error).
 
 Support IGMPv3/MLDv2 multicast listener discovery protocols in bridge.
 
 Allow more than 255 IPv4 multicast interfaces.
 
 Add support for Type of Service (ToS) reflection in SYN/SYN-ACK
 packets of TCPv6.
 
 In Multi-patch TCP (MPTCP) support concurrent transmission of data
 on multiple subflows in a load balancing scenario. Enhance advertising
 addresses via the RM_ADDR/ADD_ADDR options.
 
 Support SMC-Dv2 version of SMC, which enables multi-subnet deployments.
 
 Allow more calls to same peer in RxRPC.
 
 Support two new Controller Area Network (CAN) protocols -
 CAN-FD and ISO 15765-2:2016.
 
 Add xfrm/IPsec compat layer, solving the 32bit user space on 64bit
 kernel problem.
 
 Add TC actions for implementing MPLS L2 VPNs.
 
 Improve nexthop code - e.g. handle various corner cases when nexthop
 objects are removed from groups better, skip unnecessary notifications
 and make it easier to offload nexthops into HW by converting
 to a blocking notifier.
 
 Support adding and consuming TCP header options by BPF programs,
 opening the doors for easy experimental and deployment-specific
 TCP option use.
 
 Reorganize TCP congestion control (CC) initialization to simplify life
 of TCP CC implemented in BPF.
 
 Add support for shipping BPF programs with the kernel and loading them
 early on boot via the User Mode Driver mechanism, hence reusing all the
 user space infra we have.
 
 Support sleepable BPF programs, initially targeting LSM and tracing.
 
 Add bpf_d_path() helper for returning full path for given 'struct path'.
 
 Make bpf_tail_call compatible with bpf-to-bpf calls.
 
 Allow BPF programs to call map_update_elem on sockmaps.
 
 Add BPF Type Format (BTF) support for type and enum discovery, as
 well as support for using BTF within the kernel itself (current use
 is for pretty printing structures).
 
 Support listing and getting information about bpf_links via the bpf
 syscall.
 
 Enhance kernel interfaces around NIC firmware update. Allow specifying
 overwrite mask to control if settings etc. are reset during update;
 report expected max time operation may take to users; support firmware
 activation without machine reboot incl. limits of how much impact
 reset may have (e.g. dropping link or not).
 
 Extend ethtool configuration interface to report IEEE-standard
 counters, to limit the need for per-vendor logic in user space.
 
 Adopt or extend devlink use for debug, monitoring, fw update
 in many drivers (dsa loop, ice, ionic, sja1105, qed, mlxsw,
 mv88e6xxx, dpaa2-eth).
 
 In mlxsw expose critical and emergency SFP module temperature alarms.
 Refactor port buffer handling to make the defaults more suitable and
 support setting these values explicitly via the DCBNL interface.
 
 Add XDP support for Intel's igb driver.
 
 Support offloading TC flower classification and filtering rules to
 mscc_ocelot switches.
 
 Add PTP support for Marvell Octeontx2 and PP2.2 hardware, as well as
 fixed interval period pulse generator and one-step timestamping in
 dpaa-eth.
 
 Add support for various auth offloads in WiFi APs, e.g. SAE (WPA3)
 offload.
 
 Add Lynx PHY/PCS MDIO module, and convert various drivers which have
 this HW to use it. Convert mvpp2 to split PCS.
 
 Support Marvell Prestera 98DX3255 24-port switch ASICs, as well as
 7-port Mediatek MT7531 IP.
 
 Add initial support for QCA6390 and IPQ6018 in ath11k WiFi driver,
 and wcn3680 support in wcn36xx.
 
 Improve performance for packets which don't require much offloads
 on recent Mellanox NICs by 20% by making multiple packets share
 a descriptor entry.
 
 Move chelsio inline crypto drivers (for TLS and IPsec) from the crypto
 subtree to drivers/net. Move MDIO drivers out of the phy directory.
 
 Clean up a lot of W=1 warnings, reportedly the actively developed
 subsections of networking drivers should now build W=1 warning free.
 
 Make sure drivers don't use in_interrupt() to dynamically adapt their
 code. Convert tasklets to use new tasklet_setup API (sadly this
 conversion is not yet complete).
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:

 - Add redirect_neigh() BPF packet redirect helper, allowing to limit
   stack traversal in common container configs and improving TCP
   back-pressure.

   Daniel reports ~10Gbps => ~15Gbps single stream TCP performance gain.

 - Expand netlink policy support and improve policy export to user
   space. (Ge)netlink core performs request validation according to
   declared policies. Expand the expressiveness of those policies
   (min/max length and bitmasks). Allow dumping policies for particular
   commands. This is used for feature discovery by user space (instead
   of kernel version parsing or trial and error).

 - Support IGMPv3/MLDv2 multicast listener discovery protocols in
   bridge.

 - Allow more than 255 IPv4 multicast interfaces.

 - Add support for Type of Service (ToS) reflection in SYN/SYN-ACK
   packets of TCPv6.

 - In Multi-patch TCP (MPTCP) support concurrent transmission of data on
   multiple subflows in a load balancing scenario. Enhance advertising
   addresses via the RM_ADDR/ADD_ADDR options.

 - Support SMC-Dv2 version of SMC, which enables multi-subnet
   deployments.

 - Allow more calls to same peer in RxRPC.

 - Support two new Controller Area Network (CAN) protocols - CAN-FD and
   ISO 15765-2:2016.

 - Add xfrm/IPsec compat layer, solving the 32bit user space on 64bit
   kernel problem.

 - Add TC actions for implementing MPLS L2 VPNs.

 - Improve nexthop code - e.g. handle various corner cases when nexthop
   objects are removed from groups better, skip unnecessary
   notifications and make it easier to offload nexthops into HW by
   converting to a blocking notifier.

 - Support adding and consuming TCP header options by BPF programs,
   opening the doors for easy experimental and deployment-specific TCP
   option use.

 - Reorganize TCP congestion control (CC) initialization to simplify
   life of TCP CC implemented in BPF.

 - Add support for shipping BPF programs with the kernel and loading
   them early on boot via the User Mode Driver mechanism, hence reusing
   all the user space infra we have.

 - Support sleepable BPF programs, initially targeting LSM and tracing.

 - Add bpf_d_path() helper for returning full path for given 'struct
   path'.

 - Make bpf_tail_call compatible with bpf-to-bpf calls.

 - Allow BPF programs to call map_update_elem on sockmaps.

 - Add BPF Type Format (BTF) support for type and enum discovery, as
   well as support for using BTF within the kernel itself (current use
   is for pretty printing structures).

 - Support listing and getting information about bpf_links via the bpf
   syscall.

 - Enhance kernel interfaces around NIC firmware update. Allow
   specifying overwrite mask to control if settings etc. are reset
   during update; report expected max time operation may take to users;
   support firmware activation without machine reboot incl. limits of
   how much impact reset may have (e.g. dropping link or not).

 - Extend ethtool configuration interface to report IEEE-standard
   counters, to limit the need for per-vendor logic in user space.

 - Adopt or extend devlink use for debug, monitoring, fw update in many
   drivers (dsa loop, ice, ionic, sja1105, qed, mlxsw, mv88e6xxx,
   dpaa2-eth).

 - In mlxsw expose critical and emergency SFP module temperature alarms.
   Refactor port buffer handling to make the defaults more suitable and
   support setting these values explicitly via the DCBNL interface.

 - Add XDP support for Intel's igb driver.

 - Support offloading TC flower classification and filtering rules to
   mscc_ocelot switches.

 - Add PTP support for Marvell Octeontx2 and PP2.2 hardware, as well as
   fixed interval period pulse generator and one-step timestamping in
   dpaa-eth.

 - Add support for various auth offloads in WiFi APs, e.g. SAE (WPA3)
   offload.

 - Add Lynx PHY/PCS MDIO module, and convert various drivers which have
   this HW to use it. Convert mvpp2 to split PCS.

 - Support Marvell Prestera 98DX3255 24-port switch ASICs, as well as
   7-port Mediatek MT7531 IP.

 - Add initial support for QCA6390 and IPQ6018 in ath11k WiFi driver,
   and wcn3680 support in wcn36xx.

 - Improve performance for packets which don't require much offloads on
   recent Mellanox NICs by 20% by making multiple packets share a
   descriptor entry.

 - Move chelsio inline crypto drivers (for TLS and IPsec) from the
   crypto subtree to drivers/net. Move MDIO drivers out of the phy
   directory.

 - Clean up a lot of W=1 warnings, reportedly the actively developed
   subsections of networking drivers should now build W=1 warning free.

 - Make sure drivers don't use in_interrupt() to dynamically adapt their
   code. Convert tasklets to use new tasklet_setup API (sadly this
   conversion is not yet complete).

* tag 'net-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2583 commits)
  Revert "bpfilter: Fix build error with CONFIG_BPFILTER_UMH"
  net, sockmap: Don't call bpf_prog_put() on NULL pointer
  bpf, selftest: Fix flaky tcp_hdr_options test when adding addr to lo
  bpf, sockmap: Add locking annotations to iterator
  netfilter: nftables: allow re-computing sctp CRC-32C in 'payload' statements
  net: fix pos incrementment in ipv6_route_seq_next
  net/smc: fix invalid return code in smcd_new_buf_create()
  net/smc: fix valid DMBE buffer sizes
  net/smc: fix use-after-free of delayed events
  bpfilter: Fix build error with CONFIG_BPFILTER_UMH
  cxgb4/ch_ipsec: Replace the module name to ch_ipsec from chcr
  net: sched: Fix suspicious RCU usage while accessing tcf_tunnel_info
  bpf: Fix register equivalence tracking.
  rxrpc: Fix loss of final ack on shutdown
  rxrpc: Fix bundle counting for exclusive connections
  netfilter: restore NF_INET_NUMHOOKS
  ibmveth: Identify ingress large send packets.
  ibmveth: Switch order of ibmveth_helper calls.
  cxgb4: handle 4-tuple PEDIT to NAT mode translation
  selftests: Add VRF route leaking tests
  ...
2020-10-15 18:42:13 -07:00
Linus Torvalds
840e5bb326 integrity-v5.10
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Merge tag 'integrity-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity

Pull integrity updates from Mimi Zohar:
 "Continuing IMA policy rule cleanup and validation in particular for
  measuring keys, adding/removing/updating informational and error
  messages (e.g. "ima_appraise" boot command line option), and other bug
  fixes (e.g. minimal data size validation before use, return code and
  NULL pointer checking)"

* tag 'integrity-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  ima: Fix NULL pointer dereference in ima_file_hash
  evm: Check size of security.evm before using it
  ima: Remove semicolon at the end of ima_get_binary_runtime_size()
  ima: Don't ignore errors from crypto_shash_update()
  ima: Use kmemdup rather than kmalloc+memcpy
  integrity: include keyring name for unknown key request
  ima: limit secure boot feedback scope for appraise
  integrity: invalid kernel parameters feedback
  ima: add check for enforced appraise option
  integrity: Use current_uid() in integrity_audit_message()
  ima: Fail rule parsing when asymmetric key measurement isn't supportable
  ima: Pre-parse the list of keyrings in a KEY_CHECK rule
2020-10-15 15:58:18 -07:00
Linus Torvalds
fefa636d81 Updates for tracing and bootconfig:
- Add support for "bool" type in synthetic events
 
 - Add per instance tracing for bootconfig
 
 - Support perf-style return probe ("SYMBOL%return") in kprobes and uprobes
 
 - Allow for kprobes to be enabled earlier in boot up
 
 - Added tracepoint helper function to allow testing if tracepoints are
   enabled in headers
 
 - Synthetic events can now have dynamic strings (variable length)
 
 - Various fixes and cleanups
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Merge tag 'trace-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "Updates for tracing and bootconfig:

   - Add support for "bool" type in synthetic events

   - Add per instance tracing for bootconfig

   - Support perf-style return probe ("SYMBOL%return") in kprobes and
     uprobes

   - Allow for kprobes to be enabled earlier in boot up

   - Added tracepoint helper function to allow testing if tracepoints
     are enabled in headers

   - Synthetic events can now have dynamic strings (variable length)

   - Various fixes and cleanups"

* tag 'trace-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (58 commits)
  tracing: support "bool" type in synthetic trace events
  selftests/ftrace: Add test case for synthetic event syntax errors
  tracing: Handle synthetic event array field type checking correctly
  selftests/ftrace: Change synthetic event name for inter-event-combined test
  tracing: Add synthetic event error logging
  tracing: Check that the synthetic event and field names are legal
  tracing: Move is_good_name() from trace_probe.h to trace.h
  tracing: Don't show dynamic string internals in synthetic event description
  tracing: Fix some typos in comments
  tracing/boot: Add ftrace.instance.*.alloc_snapshot option
  tracing: Fix race in trace_open and buffer resize call
  tracing: Check return value of __create_val_fields() before using its result
  tracing: Fix synthetic print fmt check for use of __get_str()
  tracing: Remove a pointless assignment
  ftrace: ftrace_global_list is renamed to ftrace_ops_list
  ftrace: Format variable declarations of ftrace_allocate_records
  ftrace: Simplify the calculation of page number for ftrace_page->records
  ftrace: Simplify the dyn_ftrace->flags macro
  ftrace: Simplify the hash calculation
  ftrace: Use fls() to get the bits for dup_hash()
  ...
2020-10-15 15:51:28 -07:00
Linus Torvalds
2d0f6b0aab hyperv-next for 5.10, part 2
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Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull another Hyper-V update from Wei Liu:
 "One patch from Michael to get VMbus interrupt from ACPI DSDT"

* tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  Drivers: hv: vmbus: Add parsing of VMbus interrupt in ACPI DSDT
2020-10-15 15:48:06 -07:00
Linus Torvalds
7286d2a37e Merge branch 'parisc-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:

 - Added fw_cfg support for parisc on qemu

 - Added font support in sti text console driver for byte- and word-mode
   ROMs

 - Switch to more fine grained lws locks and improve spinlock handling

 - Add ioread64_hi_lo() and iowrite64_hi_lo() to avoid 0-day linking
   errors

 - Mark pointers volatile in __xchg8(), __xchg32() and __xchg64() to
   help compiler

 - Header file cleanups, mostly removal of unused HP-UX compat defines

 - Drop one bit from our O_NONBLOCK define to become now 000200000

 - Add MAP_UNINITIALIZED define to avoid userspace compile errors

 - Drop CONFIG_IDE from defconfigs

 - Speed up synchronize_caches() on UP machines

 - Rewrite tlb flush threshold calculation

 - Comment fixes and cleanups

* 'parisc-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc/sticon: Add user font support
  parisc/sticon: Always register sticon console driver
  parisc: Add MAP_UNINITIALIZED define
  parisc: Improve spinlock handling
  parisc: Install vmlinuz instead of zImage file
  parisc: Rewrite tlb flush threshold calculation
  parisc: Switch to more fine grained lws locks
  parisc: Mark pointers volatile in __xchg8(), __xchg32() and __xchg64()
  parisc: Fix comments and enable interrupts later
  parisc: Add alternative patching to synchronize_caches define
  parisc: Add ioread64_hi_lo() and iowrite64_hi_lo()
  parisc: disable CONFIG_IDE in defconfigs
  parisc: Drop useless comments in uapi/asm/signal.h
  parisc: Define O_NONBLOCK to become 000200000
  parisc: Drop HP-UX specific fcntl and signal flags
  parisc: Avoid external interrupts when IPI finishes
  parisc: Add qemu fw_cfg interface
  fw_cfg: Add support for parisc architecture
2020-10-15 15:42:55 -07:00
Linus Torvalds
578a7155c5 linux-kselftest-kunit-fixes-5.10-rc1
This Kunit fixes update consists of several kunit tool bug fixes in
 flag handling, run outside kernel tree, make errors, and generating
 results.
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Merge tag 'linux-kselftest-kunit-fixes-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kunit updates from Shuah Khan:
 "Several kunit tool bug fixes in flag handling, run outside kernel
  tree, make errors, and generating results"

* tag 'linux-kselftest-kunit-fixes-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kunit: tool: fix display of make errors
  kunit: tool: handle when .kunit exists but .kunitconfig does not
  kunit: tool: fix --alltests flag
  kunit: tool: allow generating test results in JSON
  kunit: tool: fix running kunit_tool from outside kernel tree
2020-10-15 15:17:06 -07:00
Linus Torvalds
0674324b16 linux-kselftest-next-5.10-rc1
This kselftest update for Linux 5.10-rc1 consists of enhancements to
 
 -- speed up headers_install done during selftest build
 -- add generic make nesting support
 -- add support to select individual tests:
    - Selftests build/install generates run_kselftest.sh script to run
      selftests on a target system. Currently the script doesn't have
      support for selecting individual tests. Add support for it.
 
      With this enhancement, user can select test collections (or tests)
      individually. e.g:
 
      run_kselftest.sh -c seccomp -t timers:posix_timers -t timers:nanosleep
 
      Additionally adds a way to list all known tests with "-l", usage
      with "-h", and perform a dry run without running tests with "-n".
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Merge tag 'linux-kselftest-next-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest updates from Shuah Khan:

 - speed up headers_install done during selftest build

 - add generic make nesting support

 - add support to select individual tests:

   Selftests build/install generates run_kselftest.sh script to run
   selftests on a target system. Currently the script doesn't have
   support for selecting individual tests. Add support for it.

   With this enhancement, user can select test collections (or tests)
   individually. e.g:

      run_kselftest.sh -c seccomp -t timers:posix_timers -t timers:nanosleep

   Additionally adds a way to list all known tests with "-l", usage with
   "-h", and perform a dry run without running tests with "-n".

* tag 'linux-kselftest-next-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  doc: dev-tools: kselftest.rst: Update examples and paths
  selftests/run_kselftest.sh: Make each test individually selectable
  selftests: Extract run_kselftest.sh and generate stand-alone test list
  selftests: Add missing gitignore entries
  selftests: more general make nesting support
  selftests: use "$(MAKE)" instead of "make" for headers_install
2020-10-15 15:14:32 -07:00
Linus Torvalds
bbf6259903 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial updates from Jiri Kosina:
 "The latest advances in computer science from the trivial queue"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  xtensa: fix Kconfig typo
  spelling.txt: Remove some duplicate entries
  mtd: rawnand: oxnas: cleanup/simplify code
  selftests: vm: add fragment CONFIG_GUP_BENCHMARK
  perf: Fix opt help text for --no-bpf-event
  HID: logitech-dj: Fix spelling in comment
  bootconfig: Fix kernel message mentioning CONFIG_BOOT_CONFIG
  MAINTAINERS: rectify MMP SUPPORT after moving cputype.h
  scif: Fix spelling of EACCES
  printk: fix global comment
  lib/bitmap.c: fix spello
  fs: Fix missing 'bit' in comment
2020-10-15 15:11:56 -07:00
Linus Torvalds
bf36c6b946 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:

 - Lenovo X1 Tablet support improvements from Mikael Wikström

 - "heartbeat" report fix for several Wacom devices from Jason Gerecke

 - bounds checking fix in hid-roccat from Dan Carpenter

 - stylus battery reporting fix from Dmitry Torokhov

 - i2c-hid support for wakeup from suspend-to-idle from Kai-Heng Feng

 - new driver for Vivaldi devices from Sean O'Brien

 - other assorted small fixes and device ID additions

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  HID: i2c-hid: Enable wakeup capability from Suspend-to-Idle
  HID: add vivaldi HID driver
  HID: hid-input: fix stylus battery reporting
  HID: wacom: Avoid entering wacom_wac_pen_report for pad / battery
  HID: i2c-hid: fix kerneldoc warnings in i2c-hid-core.c
  HID: core: fix kerneldoc warnings in hid-core.c
  HID: multitouch: Lenovo X1 Tablet Gen2 trackpoint and buttons
  HID: multitouch: Lenovo X1 Tablet Gen3 trackpoint and buttons
  HID: alps: clean up indentation issue
  HID: intel-ish-hid: simplify the return expression of ishtp_bus_remove_device()
  HID: hid-debug: fix nonblocking read semantics wrt EIO/ERESTARTSYS
  HID: i2c-hid: Prefer asynchronous probe
  HID: ite: Add USB id match for Acer One S1003 keyboard dock
  HID: roccat: add bounds checking in kone_sysfs_write_settings()
  HID: wiimote: narrow spinlock range in wiimote_hid_event()
  HID: wiimote: make handlers[] const
  HID: apple: Add support for Matias wireless keyboard
  HID: cp2112: Use irqchip template
2020-10-15 15:09:12 -07:00
Linus Torvalds
0cd7d9795f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
Pull livepatching update from Jiri Kosina:
 "livepatching kselftest output fix from Miroslav Benes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
  selftests/livepatch: Do not check order when using "comm" for dmesg checking
2020-10-15 15:07:57 -07:00
Linus Torvalds
4a165feba2 \n
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Merge tag 'dio_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull direct-io fix from Jan Kara:
 "Fix for unaligned direct IO read past EOF in legacy DIO code"

* tag 'dio_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  direct-io: defer alignment check until after the EOF check
  direct-io: don't force writeback for reads beyond EOF
  direct-io: clean up error paths of do_blockdev_direct_IO
2020-10-15 15:03:10 -07:00
Linus Torvalds
b77a69b81c \n
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Merge tag 'fs_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull UDF, reiserfs, ext2, quota fixes from Jan Kara:

 - a couple of UDF fixes for issues found by syzbot fuzzing

 - a couple of reiserfs fixes for issues found by syzbot fuzzing

 - some minor ext2 cleanups

 - quota patches to support grace times beyond year 2038 for XFS quota
   APIs

* tag 'fs_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  reiserfs: Fix oops during mount
  udf: Limit sparing table size
  udf: Remove pointless union in udf_inode_info
  udf: Avoid accessing uninitialized data on failed inode read
  quota: clear padding in v2r1_mem2diskdqb()
  reiserfs: Initialize inode keys properly
  udf: Fix memory leak when mounting
  udf: Remove redundant initialization of variable ret
  reiserfs: only call unlock_new_inode() if I_NEW
  ext2: Fix some kernel-doc warnings in balloc.c
  quota: Expand comment describing d_itimer
  quota: widen timestamps for the fs_disk_quota structure
  reiserfs: Fix memory leak in reiserfs_parse_options()
  udf: Use kvzalloc() in udf_sb_alloc_bitmap()
  ext2: remove duplicate include
2020-10-15 14:56:15 -07:00