782305 Commits

Author SHA1 Message Date
Michael Chan
ad95c27bdb bnxt_en: Clean up unused functions.
Remove unused bnxt_subtract_ulp_resources().  Change
bnxt_get_max_func_irqs() to static since it is only locally used.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 21:59:43 -07:00
Michael Chan
6b95c3e969 bnxt_en: Fix firmware signaled resource change logic in open.
When the driver detects that resources have changed during open, it
should reset the rx and tx rings to 0.  This will properly setup the
init sequence to initialize the default rings again.  We also need
to signal the RDMA driver to stop and clear its interrupts.  We then
call the RoCE driver to restart if a new set of default rings is
successfully reserved.

Fixes: 25e1acd6b92b ("bnxt_en: Notify firmware about IF state changes.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 21:59:43 -07:00
David S. Miller
6570aa1d10 Merge branch 'sctp-two-fixes-for-spp_ipv6_flowlabel-and-spp_dscp-sockopts'
Xin Long says:

====================
sctp: two fixes for spp_ipv6_flowlabel and spp_dscp sockopts

This patchset fixes two problems in sctp_apply_peer_addr_params()
when setting spp_ipv6_flowlabel or spp_dscp.
====================

Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 21:57:55 -07:00
Xin Long
741880e1f2 sctp: not traverse asoc trans list if non-ipv6 trans exists for ipv6_flowlabel
When users set params.spp_address and get a trans, ipv6_flowlabel flag
should be applied into this trans. But even if this one is not an ipv6
trans, it should not go to apply it into all other transes of the asoc
but simply ignore it.

Fixes: 0b0dce7a36fb ("sctp: add spp_ipv6_flowlabel and spp_dscp for sctp_paddrparams")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 21:57:54 -07:00
Xin Long
af8a2b8ba7 sctp: fix invalid reference to the index variable of the iterator
Now in sctp_apply_peer_addr_params(), if SPP_IPV6_FLOWLABEL flag is set
and trans is NULL, it would use trans as the index variable to traverse
transport_addr_list, then trans is set as the last transport of it.

Later, if SPP_DSCP flag is set, it would enter into the wrong branch as
trans is actually an invalid reference.

So fix it by using a new index variable to traverse transport_addr_list
for both SPP_DSCP and SPP_IPV6_FLOWLABEL flags process.

Fixes: 0b0dce7a36fb ("sctp: add spp_ipv6_flowlabel and spp_dscp for sctp_paddrparams")
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 21:57:54 -07:00
Ivan Mikhaylov
bf68066fcc net/ibm/emac: wrong emac_calc_base call was used by typo
__emac_calc_base_mr1 was used instead of __emac4_calc_base_mr1
by copy-paste mistake for emac4syn.

Fixes: 45d6e545505fd32edb812f085be7de45b6a5c0af ("net/ibm/emac: add 8192 rx/tx fifo size")
Signed-off-by: Ivan Mikhaylov <ivan@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 21:50:52 -07:00
Vlad Buslov
c10bbfae3a net: sched: null actions array pointer before releasing action
Currently, tcf_action_delete() nulls actions array pointer after putting
and deleting it. However, if tcf_idr_delete_index() returns an error,
pointer to action is not set to null. That results it being released second
time in error handling code of tca_action_gd().

Kasan error:

[  807.367755] ==================================================================
[  807.375844] BUG: KASAN: use-after-free in tc_setup_cb_call+0x14e/0x250
[  807.382763] Read of size 8 at addr ffff88033e636000 by task tc/2732

[  807.391289] CPU: 0 PID: 2732 Comm: tc Tainted: G        W         4.19.0-rc1+ #799
[  807.399542] Hardware name: Supermicro SYS-2028TP-DECR/X10DRT-P, BIOS 2.0b 03/30/2017
[  807.407948] Call Trace:
[  807.410763]  dump_stack+0x92/0xeb
[  807.414456]  print_address_description+0x70/0x360
[  807.419549]  kasan_report+0x14d/0x300
[  807.423582]  ? tc_setup_cb_call+0x14e/0x250
[  807.428150]  tc_setup_cb_call+0x14e/0x250
[  807.432539]  ? nla_put+0x65/0xe0
[  807.436146]  fl_dump+0x394/0x3f0 [cls_flower]
[  807.440890]  ? fl_tmplt_dump+0x140/0x140 [cls_flower]
[  807.446327]  ? lock_downgrade+0x320/0x320
[  807.450702]  ? lock_acquire+0xe2/0x220
[  807.454819]  ? is_bpf_text_address+0x5/0x140
[  807.459475]  ? memcpy+0x34/0x50
[  807.462980]  ? nla_put+0x65/0xe0
[  807.466582]  tcf_fill_node+0x341/0x430
[  807.470717]  ? tcf_block_put+0xe0/0xe0
[  807.474859]  tcf_node_dump+0xdb/0xf0
[  807.478821]  fl_walk+0x8e/0x170 [cls_flower]
[  807.483474]  tcf_chain_dump+0x35a/0x4d0
[  807.487703]  ? tfilter_notify+0x170/0x170
[  807.492091]  ? tcf_fill_node+0x430/0x430
[  807.496411]  tc_dump_tfilter+0x362/0x3f0
[  807.500712]  ? tc_del_tfilter+0x850/0x850
[  807.505104]  ? kasan_unpoison_shadow+0x30/0x40
[  807.509940]  ? __mutex_unlock_slowpath+0xcf/0x410
[  807.515031]  netlink_dump+0x263/0x4f0
[  807.519077]  __netlink_dump_start+0x2a0/0x300
[  807.523817]  ? tc_del_tfilter+0x850/0x850
[  807.528198]  rtnetlink_rcv_msg+0x46a/0x6d0
[  807.532671]  ? rtnl_fdb_del+0x3f0/0x3f0
[  807.536878]  ? tc_del_tfilter+0x850/0x850
[  807.541280]  netlink_rcv_skb+0x18d/0x200
[  807.545570]  ? rtnl_fdb_del+0x3f0/0x3f0
[  807.549773]  ? netlink_ack+0x500/0x500
[  807.553913]  netlink_unicast+0x2d0/0x370
[  807.558212]  ? netlink_attachskb+0x340/0x340
[  807.562855]  ? _copy_from_iter_full+0xe9/0x3e0
[  807.567677]  ? import_iovec+0x11e/0x1c0
[  807.571890]  netlink_sendmsg+0x3b9/0x6a0
[  807.576192]  ? netlink_unicast+0x370/0x370
[  807.580684]  ? netlink_unicast+0x370/0x370
[  807.585154]  sock_sendmsg+0x6b/0x80
[  807.589015]  ___sys_sendmsg+0x4a1/0x520
[  807.593230]  ? copy_msghdr_from_user+0x210/0x210
[  807.598232]  ? do_wp_page+0x174/0x880
[  807.602276]  ? __handle_mm_fault+0x749/0x1c10
[  807.607021]  ? __handle_mm_fault+0x1046/0x1c10
[  807.611849]  ? __pmd_alloc+0x320/0x320
[  807.615973]  ? check_chain_key+0x140/0x1f0
[  807.620450]  ? check_chain_key+0x140/0x1f0
[  807.624929]  ? __fget_light+0xbc/0xd0
[  807.628970]  ? __sys_sendmsg+0xd7/0x150
[  807.633172]  __sys_sendmsg+0xd7/0x150
[  807.637201]  ? __ia32_sys_shutdown+0x30/0x30
[  807.641846]  ? up_read+0x53/0x90
[  807.645442]  ? __do_page_fault+0x484/0x780
[  807.649949]  ? do_syscall_64+0x1e/0x2c0
[  807.654164]  do_syscall_64+0x72/0x2c0
[  807.658198]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  807.663625] RIP: 0033:0x7f42e9870150
[  807.667568] Code: 8b 15 3c 7d 2b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb cd 66 0f 1f 44 00 00 83 3d b9 d5 2b 00 00 75 10 b8 2e 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 be cd 00 00 48 89 04 24
[  807.687328] RSP: 002b:00007ffdbf595b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  807.695564] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f42e9870150
[  807.703083] RDX: 0000000000000000 RSI: 00007ffdbf595b80 RDI: 0000000000000003
[  807.710605] RBP: 00007ffdbf599d90 R08: 0000000000679bc0 R09: 000000000000000f
[  807.718127] R10: 00000000000005e7 R11: 0000000000000246 R12: 00007ffdbf599d88
[  807.725651] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000

[  807.735048] Allocated by task 2687:
[  807.738902]  kasan_kmalloc+0xa0/0xd0
[  807.742852]  __kmalloc+0x118/0x2d0
[  807.746615]  tcf_idr_create+0x44/0x320
[  807.750738]  tcf_nat_init+0x41e/0x530 [act_nat]
[  807.755638]  tcf_action_init_1+0x4e0/0x650
[  807.760104]  tcf_action_init+0x1ce/0x2d0
[  807.764395]  tcf_exts_validate+0x1d8/0x200
[  807.768861]  fl_change+0x55a/0x26b4 [cls_flower]
[  807.773845]  tc_new_tfilter+0x748/0xa20
[  807.778051]  rtnetlink_rcv_msg+0x56a/0x6d0
[  807.782517]  netlink_rcv_skb+0x18d/0x200
[  807.786804]  netlink_unicast+0x2d0/0x370
[  807.791095]  netlink_sendmsg+0x3b9/0x6a0
[  807.795387]  sock_sendmsg+0x6b/0x80
[  807.799240]  ___sys_sendmsg+0x4a1/0x520
[  807.803445]  __sys_sendmsg+0xd7/0x150
[  807.807473]  do_syscall_64+0x72/0x2c0
[  807.811506]  entry_SYSCALL_64_after_hwframe+0x49/0xbe

[  807.818776] Freed by task 2728:
[  807.822283]  __kasan_slab_free+0x122/0x180
[  807.826752]  kfree+0xf4/0x2f0
[  807.830080]  __tcf_action_put+0x5a/0xb0
[  807.834281]  tcf_action_put_many+0x46/0x70
[  807.838747]  tca_action_gd+0x232/0xc40
[  807.842862]  tc_ctl_action+0x215/0x230
[  807.846977]  rtnetlink_rcv_msg+0x56a/0x6d0
[  807.851444]  netlink_rcv_skb+0x18d/0x200
[  807.855731]  netlink_unicast+0x2d0/0x370
[  807.860021]  netlink_sendmsg+0x3b9/0x6a0
[  807.864312]  sock_sendmsg+0x6b/0x80
[  807.868166]  ___sys_sendmsg+0x4a1/0x520
[  807.872372]  __sys_sendmsg+0xd7/0x150
[  807.876401]  do_syscall_64+0x72/0x2c0
[  807.880431]  entry_SYSCALL_64_after_hwframe+0x49/0xbe

[  807.887704] The buggy address belongs to the object at ffff88033e636000
                which belongs to the cache kmalloc-256 of size 256
[  807.900909] The buggy address is located 0 bytes inside of
                256-byte region [ffff88033e636000, ffff88033e636100)
[  807.913155] The buggy address belongs to the page:
[  807.918322] page:ffffea000cf98d80 count:1 mapcount:0 mapping:ffff88036f80ee00 index:0x0 compound_mapcount: 0
[  807.928831] flags: 0x5fff8000008100(slab|head)
[  807.933647] raw: 005fff8000008100 ffffea000db44f00 0000000400000004 ffff88036f80ee00
[  807.942050] raw: 0000000000000000 0000000080190019 00000001ffffffff 0000000000000000
[  807.950456] page dumped because: kasan: bad access detected

[  807.958240] Memory state around the buggy address:
[  807.963405]  ffff88033e635f00: fc fc fc fc fb fb fb fb fb fb fb fc fc fc fc fb
[  807.971288]  ffff88033e635f80: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc
[  807.979166] >ffff88033e636000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  807.994882]                    ^
[  807.998477]  ffff88033e636080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  808.006352]  ffff88033e636100: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
[  808.014230] ==================================================================
[  808.022108] Disabling lock debugging due to kernel taint

Fixes: edfaf94fa705 ("net_sched: improve and refactor tcf_action_put_many()")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 21:47:33 -07:00
Zhenbo Gao
05a6843c92 tipc: correct structure parameter comments for topsrv
Remove the following obsolete parameter comments of tipc_topsrv struct:
  @rcvbuf_cache
  @tipc_conn_new
  @tipc_conn_release
  @tipc_conn_recvmsg
  @imp
  @type

Add the comments for the missing parameters below of tipc_topsrv struct:
  @awork
  @listener

Remove the unused or duplicated parameter comments of tipc_conn struct:
  @outqueue_lock
  @rx_action

Signed-off-by: Zhenbo Gao <zhenbo.gao@windriver.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 21:43:42 -07:00
Gleb Fotengauer-Malinovskiy
c48300c92a vhost: fix VHOST_GET_BACKEND_FEATURES ioctl request definition
The _IOC_READ flag fits this ioctl request more because this request
actually only writes to, but doesn't read from userspace.
See NOTEs in include/uapi/asm-generic/ioctl.h for more information.

Fixes: 429711aec282 ("vhost: switch to use new message format")
Signed-off-by: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 21:23:24 -07:00
Pradeep Nalla
35878618c9 liquidio: Added delayed work for periodically updating the link statistics.
Signed-off-by: Pradeep Nalla <pradeep.nalla@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 19:08:07 -07:00
Anthony Wong
9fd0e09a4e r8169: add support for NCube 8168 network card
This card identifies itself as:
  Ethernet controller [0200]: NCube Device [10ff:8168] (rev 06)
  Subsystem: TP-LINK Technologies Co., Ltd. Device [7470:3468]

Adding a new entry to rtl8169_pci_tbl makes the card work.

Link: http://launchpad.net/bugs/1788730
Signed-off-by: Anthony Wong <anthony.wong@ubuntu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 19:05:13 -07:00
Hangbin Liu
36feaac354 ip6_tunnel: respect ttl inherit for ip6tnl
man ip-tunnel ttl section says:
0 is a special value meaning that packets inherit the TTL value.

IPv4 tunnel respect this in ip_tunnel_xmit(), but IPv6 tunnel has not
implement it yet. To make IPv6 behave consistently with IP tunnel,
add ipv6 tunnel inherit support.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-03 19:04:12 -07:00
Emmanuel Grumbach
c6e57b3896 mac80211: shorten the IBSS debug messages
When tracing is enabled, all the debug messages are recorded and must
not exceed MAX_MSG_LEN (100) columns. Longer debug messages grant the
user with:

WARNING: CPU: 3 PID: 32642 at /tmp/wifi-core-20180806094828/src/iwlwifi-stack-dev/net/mac80211/./trace_msg.h:32 trace_event_raw_event_mac80211_msg_event+0xab/0xc0 [mac80211]
Workqueue: phy1 ieee80211_iface_work [mac80211]
 RIP: 0010:trace_event_raw_event_mac80211_msg_event+0xab/0xc0 [mac80211]
 Call Trace:
  __sdata_dbg+0xbd/0x120 [mac80211]
  ieee80211_ibss_rx_queued_mgmt+0x15f/0x510 [mac80211]
  ieee80211_iface_work+0x21d/0x320 [mac80211]

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-09-03 10:41:27 +02:00
Emmanuel Grumbach
6c18b27d6e mac80211: don't Tx a deauth frame if the AP forbade Tx
If the driver fails to properly prepare for the channel
switch, mac80211 will disconnect. If the CSA IE had mode
set to 1, it means that the clients are not allowed to send
any Tx on the current channel, and that includes the
deauthentication frame.

Make sure that we don't send the deauthentication frame in
this case.

In iwlwifi, this caused a failure to flush queues since the
firmware already closed the queues after having parsed the
CSA IE. Then mac80211 would wait until the deauthentication
frame would go out (drv_flush(drop=false)) and that would
never happen.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-09-03 10:39:34 +02:00
Ilan Peer
0007e94355 mac80211: Fix station bandwidth setting after channel switch
When performing a channel switch flow for a managed interface, the
flow did not update the bandwidth of the AP station and the rate
scale algorithm. In case of a channel width downgrade, this would
result with the rate scale algorithm using a bandwidth that does not
match the interface channel configuration.

Fix this by updating the AP station bandwidth and rate scaling algorithm
before the actual channel change in case of a bandwidth downgrade, or
after the actual channel change in case of a bandwidth upgrade.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-09-03 10:39:11 +02:00
Emmanuel Grumbach
f3ffb6c3a2 mac80211: fix a race between restart and CSA flows
We hit a problem with iwlwifi that was caused by a bug in
mac80211. A bug in iwlwifi caused the firwmare to crash in
certain cases in channel switch. Because of that bug,
drv_pre_channel_switch would fail and trigger the restart
flow.
Now we had the hw restart worker which runs on the system's
workqueue and the csa_connection_drop_work worker that runs
on mac80211's workqueue that can run together. This is
obviously problematic since the restart work wants to
reconfigure the connection, while the csa_connection_drop_work
worker does the exact opposite: it tries to disconnect.

Fix this by cancelling the csa_connection_drop_work worker
in the restart worker.

Note that this can sound racy: we could have:

driver   iface_work   CSA_work   restart_work
+++++++++++++++++++++++++++++++++++++++++++++
              |
 <--drv_cs ---|
<FW CRASH!>
-CS FAILED-->
              |                       |
              |                 cancel_work(CSA)
           schedule                   |
           CSA work                   |
                         |            |
                        Race between those 2

But this is not possible because we flush the workqueue
in the restart worker before we cancel the CSA worker.
That would be bullet proof if we could guarantee that
we schedule the CSA worker only from the iface_work
which runs on the workqueue (and not on the system's
workqueue), but unfortunately we do have an instance
in which we schedule the CSA work outside the context
of the workqueue (ieee80211_chswitch_done).

Note also that we should probably cancel other workers
like beacon_connection_loss_work and possibly others
for different types of interfaces, at the very least,
IBSS should suffer from the exact same problem, but for
now, do the minimum to fix the actual bug that was actually
experienced and reproduced.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-09-03 10:38:39 +02:00
Dreyfuss, Haim
abd76d255d mac80211: fix WMM TXOP calculation
In commit 9236c4523e5b ("mac80211: limit wmm params to comply
with ETSI requirements"), we have limited the WMM parameters to
comply with 802.11 and ETSI standard.  Mistakenly the TXOP value
was caluclated wrong.  Fix it by taking the minimum between
802.11 to ETSI to make sure we are not violating both.

Fixes: e552af058148 ("mac80211: limit wmm params to comply with ETSI requirements")
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-09-03 10:35:03 +02:00
Dan Carpenter
8442938c3a cfg80211: fix a type issue in ieee80211_chandef_to_operating_class()
The "chandef->center_freq1" variable is a u32 but "freq" is a u16 so we
are truncating away the high bits.  I noticed this bug because in commit
9cf0a0b4b64a ("cfg80211: Add support for 60GHz band channels 5 and 6")
we made "freq <= 56160 + 2160 * 6" a valid requency when before it was
only "freq <= 56160 + 2160 * 4" that was valid.  It introduces a static
checker warning:

    net/wireless/util.c:1571 ieee80211_chandef_to_operating_class()
    warn: always true condition '(freq <= 56160 + 2160 * 6) => (0-u16max <= 69120)'

But really we probably shouldn't have been truncating the high bits
away to begin with.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-09-03 10:34:12 +02:00
Lorenzo Bianconi
66eb02d839 mac80211: fix an off-by-one issue in A-MSDU max_subframe computation
Initialize 'n' to 2 in order to take into account also the first
packet in the estimation of max_subframe limit for a given A-MSDU
since frag_tail pointer is NULL when ieee80211_amsdu_aggregate
routine analyzes the second frame.

Fixes: 6e0456b54545 ("mac80211: add A-MSDU tx support")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-09-03 10:29:14 +02:00
Linus Torvalds
60c1f89241 dma-mapping fixes for 4.19-rc2
A few fixes for the fallout of being a little more pedantic about
 dma masks.
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Merge tag 'dma-mapping-4.19-2' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fixes from Christoph Hellwig:
 "A few fixes for the fallout of being a little more pedantic about dma
  masks"

* tag 'dma-mapping-4.19-2' of git://git.infradead.org/users/hch/dma-mapping:
  of/platform: initialise AMBA default DMA masks
  sparc: set a default 32-bit dma mask for OF devices
  kernel/dma/direct: take DMA offset into account in dma_direct_supported
2018-09-02 20:09:36 -07:00
David S. Miller
132c5b452e Merge branch 'mlx5e-IPoIB-stats'
Tariq Toukan says:

====================
mlx5e IPoIB stats

This patchset by Feras contains statistics enhancements and NDO
implementation for the mlx5e IPoIB driver.

Series generated against net-next commit:
2d5c28859839 net: bgmac: remove set but not used variable 'err'
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:22:43 -07:00
Feras Daoud
19052a3b77 net/mlx5e: IPoIB, Use priv stats in completion rx flow
Since the RQs are shared between all pkey interfaces, the stats
should be taken from where the per-ring stats are stored instead
of the parent RQ.

Fixes: 4c6c615e3f30 ("net/mlx5e: IPoIB, Add PKEY child interface nic profile")
Signed-off-by: Feras Daoud <ferasda@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:22:42 -07:00
Feras Daoud
b75ba3822c net/mlx5e: IPoIB, Add ndo stats support for IPoIB child devices
Expose RX and TX counters by implementing ndo_get_stats64 operation
for child devices.

Signed-off-by: Feras Daoud <ferasda@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:22:42 -07:00
Feras Daoud
c57d2358ff net/mlx5e: IPoIB, Add ndo stats support for IPoIB netdevices
Expose RX and TX counters by implementing ndo_get_stats64 operation for
both parent devices.
After this change, all the relevant statistics can be retrieved using
ifconfig.

Signed-off-by: Feras Daoud <ferasda@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:22:42 -07:00
Feras Daoud
6dae6f06f0 net/mlx5e: IPoIB, Initialize max_opened_tc in mlx5i_init flow
Enhanced ipoib does not initialize max_opened_tc causing wrong ethtool
statistics. As mlx5e_grp_sw_update_stats relies on this variable, without
this change, the TX statistics will not be updated.

Fixes: 05909babce53 ("net/mlx5e: Avoid reset netdev stats on configuration changes")
Signed-off-by: Feras Daoud <ferasda@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:22:42 -07:00
David S. Miller
1fcc3fd75e Merge branch 'Full-phylink-support-for-mv88e6352'
Andrew Lunn says:

====================
Full phylink support for mv88e6352

These two patches implement full phylink support for the mv88e6352
family, when using an SFP connected to its SERDES interface. This adds
interrupt support to the SERDES, so that we get interrupts on link
up/down, and then make calls phydev_link_change().

The first patch is a minor bug fix, which does not seem to affect any
current features, so i'm not submitting it for stable. It is however
required for configuring SERDES interrupts.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:16:24 -07:00
Andrew Lunn
4382172fa7 net: dsa: mv88e6xxx: Add SERDES phydev_link_change for 6352
The 6352 family has one SERDES interface, which can be used by either
port 4 or port 5. Add interrupt support for the SERDES interface, and
report when the link status changes.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:16:23 -07:00
Andrew Lunn
c309b15809 net: dsa: mv88e6xxx: Fix writing to a PHY page.
After changing to the needed page, actually write the value to the
register!

Fixes: 09cb7dfd3f14 ("net: dsa: mv88e6xxx: describe PHY page and SerDes")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:16:23 -07:00
Vinson Lee
59a03fea13 uapi: Fix linux/rds.h userspace compilation errors.
Include linux/in6.h for struct in6_addr.

/usr/include/linux/rds.h:156:18: error: field ‘laddr’ has incomplete type
  struct in6_addr laddr;
                  ^~~~~
/usr/include/linux/rds.h:157:18: error: field ‘faddr’ has incomplete type
  struct in6_addr faddr;
                  ^~~~~
/usr/include/linux/rds.h:178:18: error: field ‘laddr’ has incomplete type
  struct in6_addr laddr;
                  ^~~~~
/usr/include/linux/rds.h:179:18: error: field ‘faddr’ has incomplete type
  struct in6_addr faddr;
                  ^~~~~
/usr/include/linux/rds.h:198:18: error: field ‘bound_addr’ has incomplete type
  struct in6_addr bound_addr;
                  ^~~~~~~~~~
/usr/include/linux/rds.h:199:18: error: field ‘connected_addr’ has incomplete type
  struct in6_addr connected_addr;
                  ^~~~~~~~~~~~~~
/usr/include/linux/rds.h:219:18: error: field ‘local_addr’ has incomplete type
  struct in6_addr local_addr;
                  ^~~~~~~~~~
/usr/include/linux/rds.h:221:18: error: field ‘peer_addr’ has incomplete type
  struct in6_addr peer_addr;
                  ^~~~~~~~~
/usr/include/linux/rds.h:245:18: error: field ‘src_addr’ has incomplete type
  struct in6_addr src_addr;
                  ^~~~~~~~
/usr/include/linux/rds.h:246:18: error: field ‘dst_addr’ has incomplete type
  struct in6_addr dst_addr;
                  ^~~~~~~~

Fixes: b7ff8b1036f0 ("rds: Extend RDS API for IPv6 support")
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:14:44 -07:00
Yafang Shao
743e481580 tcp: remove useless add operation when init sysctl_max_tw_buckets
cp_hashinfo.ehash_mask is always an odd number, which is set in function
alloc_large_system_hash(). See bellow,
        if (_hash_mask)
                *_hash_mask = (1 << log2qty) - 1; <<< always odd number

Hence the local variable 'cnt' is a even number, as a result of that it is
no difference to do the incrementation here.

Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:12:41 -07:00
Moritz Fischer
1914104fc6 net: nixge: Fix Kconfig warning with OF_MDIO
Fix Kconfig warning with OF_MDIO where OF_MDIO was
selected unconditionally instead of only when
OF is actually enabled.

Fixes 7e8d5755be0e ("net: nixge: Add support for 64-bit platforms")
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:10:15 -07:00
Jia-Ju Bai
16fe10cf92 net: cadence: Fix a sleep-in-atomic-context bug in macb_halt_tx()
The kernel module may sleep with holding a spinlock.

The function call paths (from bottom to top) in Linux-4.16 are:

[FUNC] usleep_range
drivers/net/ethernet/cadence/macb_main.c, 648:
	usleep_range in macb_halt_tx
drivers/net/ethernet/cadence/macb_main.c, 730:
	macb_halt_tx in macb_tx_error_task
drivers/net/ethernet/cadence/macb_main.c, 721:
	_raw_spin_lock_irqsave in macb_tx_error_task

To fix this bug, usleep_range() is replaced with udelay().

This bug is found by my static analysis tool DSAC.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 16:05:25 -07:00
David S. Miller
a80afe89d8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:

====================
pull-request: bpf 2018-09-02

The following pull-request contains BPF updates for your *net* tree.

The main changes are:

1) Fix one remaining buggy offset override in sockmap's bpf_msg_pull_data()
   when linearizing multiple scatterlist elements, from Tushar.

2) Fix BPF sockmap's misuse of ULP when a collision with another ULP is
   found on map update where it would release existing ULP. syzbot found and
   triggered this couple of times now, fix from John.

3) Add missing xskmap type to bpftool so it will properly show the type
   on map dump, from Prashant.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 15:53:38 -07:00
Linus Torvalds
57361846b5 Linux 4.19-rc2 2018-09-02 14:37:30 -07:00
David S. Miller
42220b7749 Merge branch 'mvneta-some-small-improvements'
Jisheng Zhang says:

====================
net: mvneta: some small improvements

patch1 removes the NETIF_F_GRO check ourself, because the net subsystem
will handle it for us.

patch2 enables NETIF_F_RXCSUM by default, since the driver and HW
supports the feature.

patch3 is a small optimization, to reduce smp_processor_id() calling
in mvneta_tx_done_gbe.

since v1:
 - based on net-next tree
 - remove the fix patches, since they should be based on net branch.
 - Add Gregory's Reviewed-by tag
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 14:13:31 -07:00
Jisheng Zhang
bd9f1ee364 net: mvneta: reduce smp_processor_id() calling in mvneta_tx_done_gbe
In the loop of mvneta_tx_done_gbe(), we call the smp_processor_id()
each time, move the call out of the loop to optimize the code a bit.

Before the patch, the loop looks like(under arm64):

        ldr     x1, [x29,#120]
        ...
        ldr     w24, [x1,#36]
        ...
        bl      0 <_raw_spin_lock>
        str     w24, [x27,#132]
        ...

After the patch, the loop looks like(under arm64):

        ...
        bl      0 <_raw_spin_lock>
        str     w23, [x28,#132]
        ...
where w23 is loaded so be ready before the loop.

>From another side, mvneta_tx_done_gbe() is called from mvneta_poll()
which is in non-preemptible context, so it's safe to call the
smp_processor_id() function once.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 14:13:31 -07:00
Jisheng Zhang
7772988ad6 net: mvneta: enable NETIF_F_RXCSUM by default
The code and HW supports NETIF_F_RXCSUM, so let's enable it by default.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 14:13:31 -07:00
Jisheng Zhang
d28118e395 net: mvneta: Don't check NETIF_F_GRO ourself
napi_gro_receive() checks NETIF_F_GRO bit as well, if the bit is not
set, we will go through GRO_NORMAL in napi_skb_finish(), so fall back
to netif_receive_skb_internal(), so we don't need to check NETIF_F_GRO
ourself.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 14:13:31 -07:00
David Ahern
15a81b418e net/ipv6: Only update MTU metric if it set
Jan reported a regression after an update to 4.18.5. In this case ipv6
default route is setup by systemd-networkd based on data from an RA. The
RA contains an MTU of 1492 which is used when the route is first inserted
but then systemd-networkd pushes down updates to the default route
without the mtu set.

Prior to the change to fib6_info, metrics such as MTU were held in the
dst_entry and rt6i_pmtu in rt6_info contained an update to the mtu if
any. ip6_mtu would look at rt6i_pmtu first and use it if set. If not,
the value from the metrics is used if it is set and finally falling
back to the idev value.

After the fib6_info change metrics are contained in the fib6_info struct
and there is no equivalent to rt6i_pmtu. To maintain consistency with
the old behavior the new code should only reset the MTU in the metrics
if the route update has it set.

Fixes: d4ead6b34b67 ("net/ipv6: move metrics from dst to rt6_info")
Reported-by: Jan Janssen <medhefgo@web.de>
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 14:03:54 -07:00
Florent Fourcot
b9de3963cc net/sched: fix type of htb statistics
tokens and ctokens are defined as s64 in htb_class structure,
and clamped to 32bits value during netlink dumps:

cl->xstats.tokens = clamp_t(s64, PSCHED_NS2TICKS(cl->tokens),
                            INT_MIN, INT_MAX);

Defining it as u32 is working since userspace (tc) is printing it as
signed int, but a correct definition from the beginning is probably
better.

In the same time, 'giants' structure member is unused since years, so
update the comment to mark it unused.

Signed-off-by: Florent Fourcot <florent.fourcot@wifirst.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 13:57:12 -07:00
Tony Lindgren
18eb8aea7f net: ethernet: cpsw-phy-sel: prefer phandle for phy sel
The cpsw-phy-sel device is not a child of the cpsw interconnect target
module. It lives in the system control module.

Let's fix this issue by trying to use cpsw-phy-sel phandle first if it
exists and if not fall back to current usage of trying to find the
cpsw-phy-sel child. That way the phy sel driver can be a child of the
system control module where it belongs in the device tree.

Without this fix, we cannot have a proper interconnect target module
hierarchy in device tree for things like genpd.

Note that deferred probe is mostly not supported by cpsw and this patch
does not attempt to fix that. In case deferred probe support is needed,
this could be added to cpsw_slave_open() and phy_connect() so they start
handling and returning errors.

For documenting it, looks like the cpsw-phy-sel is used for all cpsw device
tree nodes. It's missing the related binding documentation, so let's also
update the binding documentation accordingly.

Cc: devicetree@vger.kernel.org
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 13:52:13 -07:00
Tony Lindgren
10d7fac4c5 dt-bindings: net: cpsw: Document cpsw-phy-sel usage but prefer phandle
The current cpsw usage for cpsw-phy-sel is undocumented but is used for
all the boards using cpsw. And cpsw-phy-sel is not really a child of
the cpsw device, it lives in the system control module instead.

Let's document the existing usage, and improve it a bit where we prefer
to use a phandle instead of a child device for it. That way we can
properly describe the hardware in dts files for things like genpd.

Cc: devicetree@vger.kernel.org
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 13:52:13 -07:00
David S. Miller
c60e06c3e0 Merge branch 'igmp-fix-two-incorrect-unsolicit-report-count-issues'
Hangbin Liu says:

====================
igmp: fix two incorrect unsolicit report count issues

Just like the subject, fix two minor igmp unsolicit report count issues.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 13:39:37 -07:00
Hangbin Liu
ff06525fcb igmp: fix incorrect unsolicit report count after link down and up
After link down and up, i.e. when call ip_mc_up(), we doesn't init
im->unsolicit_count. So after igmp_timer_expire(), we will not start
timer again and only send one unsolicit report at last.

Fix it by initializing im->unsolicit_count in igmp_group_added(), so
we can respect igmp robustness value.

Fixes: 24803f38a5c0b ("igmp: do not remove igmp souce list info when set link down")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 13:39:37 -07:00
Hangbin Liu
4fb7253e4f igmp: fix incorrect unsolicit report count when join group
We should not start timer if im->unsolicit_count equal to 0 after decrease.
Or we will send one more unsolicit report message. i.e. 3 instead of 2 by
default.

Fixes: 1da177e4c3f41 ("Linux-2.6.12-rc2")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-02 13:39:37 -07:00
John Fastabend
597222f72a bpf: avoid misuse of psock when TCP_ULP_BPF collides with another ULP
Currently we check sk_user_data is non NULL to determine if the sk
exists in a map. However, this is not sufficient to ensure the psock
or the ULP ops are not in use by another user, such as kcm or TLS. To
avoid this when adding a sock to a map also verify it is of the
correct ULP type. Additionally, when releasing a psock verify that
it is the TCP_ULP_BPF type before releasing the ULP. The error case
where we abort an update due to ULP collision can cause this error
path.

For example,

  __sock_map_ctx_update_elem()
     [...]
     err = tcp_set_ulp_id(sock, TCP_ULP_BPF) <- collides with TLS
     if (err)                                <- so err out here
        goto out_free
     [...]
  out_free:
     smap_release_sock() <- calling tcp_cleanup_ulp releases the
                            TLS ULP incorrectly.

Fixes: 2f857d04601a ("bpf: sockmap, remove STRPARSER map_flags and add multi-map support")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-09-02 22:31:10 +02:00
Prashant Bhole
97911e0ccb tools/bpf: bpftool, add xskmap in map types
When listed all maps, bpftool currently shows (null) for xskmap.
Added xskmap type in map_type_name[] to show correct type.

Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-09-02 22:30:39 +02:00
Tushar Dave
9db39f4d4f bpf: Fix bpf_msg_pull_data()
Helper bpf_msg_pull_data() mistakenly reuses variable 'offset' while
linearizing multiple scatterlist elements. Variable 'offset' is used
to find first starting scatterlist element
    i.e. msg->data = sg_virt(&sg[first_sg]) + start - offset"

Use different variable name while linearizing multiple scatterlist
elements so that value contained in variable 'offset' won't get
overwritten.

Fixes: 015632bb30da ("bpf: sk_msg program helper bpf_sk_msg_pull_data")
Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-09-02 22:29:53 +02:00
Linus Torvalds
fd6868d82b Devicetree updates for 4.19-rc2:
A couple of new helper functions in preparation for some tree wide
 clean-ups.
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Merge tag 'devicetree-fixes-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 "A couple of new helper functions in preparation for some tree wide
  clean-ups.

  I'm sending these new helpers now for rc2 in order to simplify the
  dependencies on subsequent cleanups across the tree in 4.20"

* tag 'devicetree-fixes-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  of: Add device_type access helper functions
  of: add node name compare helper functions
  of: add helper to lookup compatible child node
2018-09-02 10:56:01 -07:00
Linus Torvalds
a3ea9911e2 ARM: SoC fixes
First batch of fixes post-merge window:
 
  - A handful of devicetree changes for i.MX2{3,8} to change over to new
    panel bindings. The platforms were moved from legacy framebuffers
    to DRM and some development board panels hadn't yet been converted.
  - OMAP fixes related to ti-sysc driver conversion fallout, fixing some
    register offsets, no_console_suspend fixes, etc.
  - Droid4 changes to fix flaky eMMC probing and vibrator DTS mismerge.
  - Fixed 0755->0644 permissions on a newly added file.
  - Defconfig changes to make ARM Versatile more useful with QEMU
    (helps testing).
  - Enable defconfig options for new TI SoC platform that was merged this
    window (AM6).
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "First batch of fixes post-merge window:

   - A handful of devicetree changes for i.MX2{3,8} to change over to
     new panel bindings. The platforms were moved from legacy
     framebuffers to DRM and some development board panels hadn't yet
     been converted.

   - OMAP fixes related to ti-sysc driver conversion fallout, fixing
     some register offsets, no_console_suspend fixes, etc.

   - Droid4 changes to fix flaky eMMC probing and vibrator DTS mismerge.

   - Fixed 0755->0644 permissions on a newly added file.

   - Defconfig changes to make ARM Versatile more useful with QEMU
     (helps testing).

   - Enable defconfig options for new TI SoC platform that was merged
     this window (AM6)"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  arm64: defconfig: Enable TI's AM6 SoC platform
  ARM: defconfig: Update the ARM Versatile defconfig
  ARM: dts: omap4-droid4: Fix emmc errors seen on some devices
  ARM: dts: Fix file permission for am335x-osd3358-sm-red.dts
  ARM: imx_v6_v7_defconfig: Select CONFIG_DRM_PANEL_SEIKO_43WVF1G
  ARM: mxs_defconfig: Select CONFIG_DRM_PANEL_SEIKO_43WVF1G
  ARM: dts: imx23-evk: Convert to the new display bindings
  ARM: dts: imx23-evk: Move regulators outside simple-bus
  ARM: dts: imx28-evk: Convert to the new display bindings
  ARM: dts: imx28-evk: Move regulators outside simple-bus
  Revert "ARM: dts: imx7d: Invert legacy PCI irq mapping"
  arm: dts: am4372: setup rtc as system-power-controller
  ARM: dts: omap4-droid4: fix vibrations on Droid 4
  bus: ti-sysc: Fix no_console_suspend handling
  bus: ti-sysc: Fix module register ioremap for larger offsets
  ARM: OMAP2+: Fix module address for modules using mpu_rt_idx
  ARM: OMAP2+: Fix null hwmod for ti-sysc debug
2018-09-02 10:44:28 -07:00