7 years agol2tp: prevent tunnel creation on netns mismatch
Tom Parkin [Thu, 31 Jan 2013 23:43:02 +0000]
l2tp: prevent tunnel creation on netns mismatch

l2tp_tunnel_create is passed a pointer to the network namespace for the
tunnel, along with an optional file descriptor for the tunnel which may
be passed in from userspace via. netlink.

In the case where the file descriptor is defined, ensure that the namespace
associated with that socket matches the namespace explicitly passed to
l2tp_tunnel_create.

Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agol2tp: set netnsok flag for netlink messages
Tom Parkin [Thu, 31 Jan 2013 23:43:01 +0000]
l2tp: set netnsok flag for netlink messages

The L2TP netlink code can run in namespaces.  Set the netnsok flag in
genl_family to true to reflect that fact.

Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agol2tp: put tunnel socket release on a workqueue
Tom Parkin [Thu, 31 Jan 2013 23:43:00 +0000]
l2tp: put tunnel socket release on a workqueue

To allow l2tp_tunnel_delete to be called from an atomic context, place the
tunnel socket release calls on a workqueue for asynchronous execution.

Tunnel memory is eventually freed in the tunnel socket destructor.

Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
David S. Miller [Tue, 5 Feb 2013 19:12:20 +0000]
Merge git://git./linux/kernel/git/davem/net

Conflicts:
drivers/net/ethernet/intel/e1000e/ethtool.c
drivers/net/vmxnet3/vmxnet3_drv.c
drivers/net/wireless/iwlwifi/dvm/tx.c
net/ipv6/route.c

The ipv6 route.c conflict is simple, just ignore the 'net' side change
as we fixed the same problem in 'net-next' by eliminating cached
neighbours from ipv6 routes.

The e1000e conflict is an addition of a new statistic in the ethtool
code, trivial.

The vmxnet3 conflict is about one change in 'net' removing a guarding
conditional, whilst in 'net-next' we had a netdev_info() conversion.

The iwlwifi conflict is dealing with a WARN_ON() conversion in
'net-next' vs. a revert happening in 'net'.

Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoqlcnic: Updating copyright information.
Jitendra Kalsaria [Mon, 4 Feb 2013 12:33:07 +0000]
qlcnic: Updating copyright information.

We recently refactored the driver source, this patch will take care of
updating copyright date and adding it to newly added files.

Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agogianfar: dont conditionally alloc Rx/Err irq structs
Paul Gortmaker [Mon, 4 Feb 2013 09:49:42 +0000]
gianfar: dont conditionally alloc Rx/Err irq structs

Commit ee873fda3bec7c668407b837fc5519eb961fcd37

    "gianfar: Pack struct gfar_priv_grp into three cachelines"

causes the following null dereference at driver init on sbc8548:

   libphy: Freescale PowerQUICC MII Bus: probed
   Unable to handle kernel paging request for data at address 0x00000000
   Faulting instruction address: 0xc01d6a38
   Oops: Kernel access of bad area, sig: 11 [#1]
   [...]
   NIP [c01d6a38] gfar_parse_group+0x228/0x280
   LR [c01d6a34] gfar_parse_group+0x224/0x280
   Call Trace:
   [ef82dd60] [c01d6a34] gfar_parse_group+0x224/0x280 (unreliable)
   [ef82dd90] [c01d73a4] gfar_probe+0x284/0xfe0

The reason is that the commit also changed the allocation of the
Rx and error handling irq structs to be skipped for !MQ_MG_MODE.
In the !MQ_MG_MODE case, only the Tx irq struct is allocated.

Digging further, we see that MQ_MG_MODE is set only if we find
the OF compatible string "fsl,etsec2".

A quick grep in the dts directory shows lots of boards that support
Rx/Tx/Err, but without this specific compat string.  And hence they
go after the unallocated Rx/Error structs and cause the above oops.

Hence such a change can not be deployed until all the dts files
are updated and sufficiently deployed.  Further, the optimization
is of limited value, since the kmalloc'd struct in question has only
a single unsigned int, and an (IFNAMSIZ + 6) sized string.

Note that no changes to the freeing code are needed here, as it
already did an unconditional free of Rx/Tx/Error gfar_irqinfo.

Cc: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoipcomp: Mark as netns_ok.
David S. Miller [Mon, 4 Feb 2013 20:46:15 +0000]
ipcomp: Mark as netns_ok.

This module is namespace aware, netns_ok was just disabled by default
for sanity.

Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet: fec: fix miss init spinlock
Frank Li [Thu, 31 Jan 2013 22:56:26 +0000]
net: fec: fix miss init spinlock

BUG: spinlock bad magic on CPU#1, swapper/0/1
lock: 0xbfae0f8c, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
Backtrace:
 [<80011d54>] (dump_backtrace+0x0/0x10c) from [<804e7800>] (dump_stack+0x18/0x1c)
 r6:bfae0000 r5:bfae0f8c r4:00000000 r3:806c1310
 [<804e77e8>] (dump_stack+0x0/0x1c) from [<804e9f20>] (spin_dump+0x80/0x94)
 [<804e9ea0>] (spin_dump+0x0/0x94) from [<804e9f60>] (spin_bug+0x2c/0x30)
 r5:805f6f8c r4:bfae0f8c
 [<804e9f34>] (spin_bug+0x0/0x30) from [<80257984>] (do_raw_spin_lock+0x170/0x1b0                                         )
 r5:806b4950 r4:bfae0f8c
 [<80257814>] (do_raw_spin_lock+0x0/0x1b0) from [<804ed15c>] (_raw_spin_lock_irqs                                         ave+0x18/0x20)
 [<804ed144>] (_raw_spin_lock_irqsave+0x0/0x20) from [<8033c694>] (fec_ptp_start_                                         cyclecounter+0x3c/0x120)
 r4:bfae0f8c r3:00000002
 [<8033c658>] (fec_ptp_start_cyclecounter+0x0/0x120) from [<80339e08>] (fec_resta                                         rt+0x56c/0x5f8)
 r8:00000000 r7:806e6f48 r6:00000112 r5:806b4950 r4:bfae0000
 [<8033989c>] (fec_restart+0x0/0x5f8) from [<8033b9e4>] (fec_probe+0x508/0xa48)

Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoteam: ab: set active port option as changed when port is leaving
Jiri Pirko [Fri, 1 Feb 2013 08:17:26 +0000]
team: ab: set active port option as changed when port is leaving

In case port is leaving the team, set the option "activeport" as changed
so the change can be properly propagated to userspace

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoteam: move netlink event notifiers after team_port_leave()
Jiri Pirko [Fri, 1 Feb 2013 08:17:25 +0000]
team: move netlink event notifiers after team_port_leave()

In team_port_del(), there is need to be do all the cleanup related
things first and netlink event notifiers should be called after that.
This fixes two problems:
team carrier is now correctly set (port is removed from list first)
mode can set option as changed in .port_leave op

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoteam: handle sending port list in the same way option list is sent
Jiri Pirko [Fri, 1 Feb 2013 08:17:24 +0000]
team: handle sending port list in the same way option list is sent

Essentially do the same thing with port list as with option list.
Multipart netlink message.
Side effect is that port event message can send port which is not longer
in team->port_list.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_en: Fix compilation error when CONFIG_INET isn't defined
Hadar Hen Zion [Mon, 4 Feb 2013 03:01:21 +0000]
net/mlx4_en: Fix compilation error when CONFIG_INET isn't defined

ip_eth_mc_map function can't be used when CONFIG_INET isn't defined.
Fixed compilation error by adding CONFIG_INET define check before using the
function.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_en: Fix error propagation for ethtool helper function
Hadar Hen Zion [Mon, 4 Feb 2013 03:01:20 +0000]
net/mlx4_en: Fix error propagation for ethtool helper function

Propagate return value of mlx4_en_ethtool_add_mac_rule_by_ipv4 in case of
failure.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agomcast: do not check 'rv' twice in a row
Jean Sacren [Sun, 3 Feb 2013 21:34:10 +0000]
mcast: do not check 'rv' twice in a row

With the loop, don't check 'rv' twice in a row. Without the loop, 'rv'
doesn't even need to be checked.

Make the comment more grammar-friendly.

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet: remove redundant check for timer pending state before del_timer
Ying Xue [Sun, 3 Feb 2013 20:32:57 +0000]
net: remove redundant check for timer pending state before del_timer

As in del_timer() there has already placed a timer_pending() function
to check whether the timer to be deleted is pending or not, it's
unnecessary to check timer pending state again before del_timer() is
called.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobe2net: update driver version to 4.6.x
Sathya Perla [Sun, 3 Feb 2013 20:30:12 +0000]
be2net: update driver version to 4.6.x

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobe2net: fix re-loaded PF driver to re-gain control of its VFs
Sathya Perla [Sun, 3 Feb 2013 20:30:11 +0000]
be2net: fix re-loaded PF driver to re-gain control of its VFs

Currently, when the PF driver is unloaded and re-loaded while VFs are attached
to VMs, it loses control of its VFs.

The PF driver now uses the newly defined/created GET_IFACE_LIST cmd
(available in FW ver >= 4.6) to query the if_id of the VFs
(enabled in its previous life). The PF driver then uses the if_id for
further VF configuration.

The GET_IFACE_MAC_LIST cmd has also implemented in BE3 FW for PF to
query pmac-ids used by its VFs.

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agodrivers:net:misc: Remove unnecessary alloc/OOM messages
Joe Perches [Sun, 3 Feb 2013 17:28:15 +0000]
drivers:net:misc: Remove unnecessary alloc/OOM messages

alloc failures already get standardized OOM
messages and a dump_stack.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agowireless: Remove unnecessary alloc/OOM messages, alloc cleanups
Joe Perches [Sun, 3 Feb 2013 17:28:14 +0000]
wireless: Remove unnecessary alloc/OOM messages, alloc cleanups

alloc failures already get standardized OOM
messages and a dump_stack.

Convert kzalloc's with multiplies to kcalloc.
Convert kmalloc's with multiplies to kmalloc_array.
Remove now unused variables.
Remove unnecessary memset after kzalloc->kcalloc.
Whitespace cleanups for these changes.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agowimax: Remove unnecessary alloc/OOM messages, alloc cleanups
Joe Perches [Sun, 3 Feb 2013 17:28:13 +0000]
wimax: Remove unnecessary alloc/OOM messages, alloc cleanups

alloc failures already get standardized OOM
messages and a dump_stack.

Convert kzalloc's with multiplies to kcalloc.
Remove now unused size variables.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agowan: Remove unnecessary alloc/OOM messages
Joe Perches [Sun, 3 Feb 2013 17:28:12 +0000]
wan: Remove unnecessary alloc/OOM messages

alloc failures already get standardized OOM
messages and a dump_stack.

Hoist assigns from if tests.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agodrivers: net: usb: Remove unnecessary alloc/OOM messages
Joe Perches [Sun, 3 Feb 2013 17:28:11 +0000]
drivers: net: usb: Remove unnecessary alloc/OOM messages

alloc failures already get standardized OOM
messages and a dump_stack.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoethernet: Remove unnecessary alloc/OOM messages, alloc cleanups
Joe Perches [Sun, 3 Feb 2013 17:43:58 +0000]
ethernet: Remove unnecessary alloc/OOM messages, alloc cleanups

alloc failures already get standardized OOM
messages and a dump_stack.

Convert kzalloc's with multiplies to kcalloc.
Convert kmalloc's with multiplies to kmalloc_array.
Fix a few whitespace defects.
Convert a constant 6 to ETH_ALEN.
Use parentheses around sizeof.
Convert vmalloc/memset to vzalloc.
Remove now unused size variables.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agocan: Remove unnecessary alloc/OOM messages
Joe Perches [Sun, 3 Feb 2013 17:28:09 +0000]
can: Remove unnecessary alloc/OOM messages

alloc failures already get standardized OOM
messages and a dump_stack.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agocaif: Remove unnecessary alloc/OOM messages
Joe Perches [Sun, 3 Feb 2013 17:28:08 +0000]
caif: Remove unnecessary alloc/OOM messages

alloc failures already get standardized OOM
messages and a dump_stack.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agosctp: sctp_close: fix release of bindings for deferred call_rcu's
Daniel Borkmann [Fri, 1 Feb 2013 04:37:43 +0000]
sctp: sctp_close: fix release of bindings for deferred call_rcu's

It seems due to RCU usage, i.e. within SCTP's address binding list,
a, say, ``behavioral change'' was introduced which does actually
not conform to the RFC anymore. In particular consider the following
(fictional) scenario to demonstrate this:

  do:
    Two SOCK_SEQPACKET-style sockets are opened (S1, S2)
    S1 is bound to 127.0.0.1, port 1024 [server]
    S2 is bound to 127.0.0.1, port 1025 [client]
    listen(2) is invoked on S1
    From S2 we call one sendmsg(2) with msg.msg_name and
       msg.msg_namelen parameters set to the server's
       address
    S1, S2 are closed
    goto do

The first pass of this loop passes successful, while the second round
fails during binding of S1 (address still in use). What is happening?
In the first round, the initial handshake is being done, and, at the
time close(2) is called on S1, a non-graceful shutdown is performed via
ABORT since in S1's receive queue an unprocessed packet is present,
thus stating an error condition. This can be considered as a correct
behavior.

During close also all bound addresses are freed, thus nothing *must*
be active anymore. In reference to RFC2960:

  After checking the Verification Tag, the receiving endpoint shall
  remove the association from its record, and shall report the
  termination to its upper layer. (9.1 Abort of an Association)

Also, no half-open states are supported, thus after an ungraceful
shutdown, we leave nothing behind. However, this seems not to be
happening though. In a real-world scenario, this is exactly where
it breaks the lksctp-tools functional test suite, *for instance*:

  ./test_sockopt
  test_sockopt.c  1 PASS : getsockopt(SCTP_STATUS) on a socket with no assoc
  test_sockopt.c  2 PASS : getsockopt(SCTP_STATUS)
  test_sockopt.c  3 PASS : getsockopt(SCTP_STATUS) with invalid associd
  test_sockopt.c  4 PASS : getsockopt(SCTP_STATUS) with NULL associd
  test_sockopt.c  5 BROK : bind: Address already in use

The underlying problem is that sctp_endpoint_destroy() hasn't been
triggered yet while the next bind attempt is being done. It will be
triggered eventually (but too late) by sctp_transport_destroy_rcu()
after one RCU grace period:

  sctp_transport_destroy()
    sctp_transport_destroy_rcu() ----.
      sctp_association_put() [*]  <--+--> sctp_packet_free()
        sctp_association_destroy()          [...]
          sctp_endpoint_put()                 skb->destructor
            sctp_endpoint_destroy()             sctp_wfree()
              sctp_bind_addr_free()               sctp_association_put() [*]

Thus, we move out the condition with sctp_association_put() as well as
the sctp_packet_free() invocation and the issue can be solved. We also
better free the SCTP chunks first before putting the ref of the association.

With this patch, the example above (which simulates a similar scenario
as in the implementation of this test case) and therefore also the test
suite run successfully through. Tested by myself.

Cc: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agocxgb3: Update VLAN extraction stats in the GRO path
Vipul Pandya [Fri, 1 Feb 2013 00:03:47 +0000]
cxgb3: Update VLAN extraction stats in the GRO path

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonetns: bond: allow unprivileged users to control bond device
Gao feng [Thu, 31 Jan 2013 16:31:00 +0000]
netns: bond: allow unprivileged users to control bond device

reduce the permission check of bond device's ioctl.
allow the userns root to control the bond device.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonetns: bridge: allow unprivileged users add/delete mdb entry
Gao feng [Thu, 31 Jan 2013 16:30:59 +0000]
netns: bridge: allow unprivileged users add/delete mdb entry

since the mdb table is belong to bridge device,and the
bridge device can only be seen in one netns.
So it's safe to allow unprivileged user which is the
creator of userns and netns to modify the mdb table.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonetns: ebtable: allow unprivileged users to operate ebtables
Gao feng [Thu, 31 Jan 2013 16:30:58 +0000]
netns: ebtable: allow unprivileged users to operate ebtables

ebt_table is a private resource of netns, operating ebtables
in one netns will not affect other netns, we can allow the
creator user of userns and netns to change the ebtables.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonetns: fdb: allow unprivileged users to add/del fdb entries
Gao feng [Thu, 31 Jan 2013 16:30:57 +0000]
netns: fdb: allow unprivileged users to add/del fdb entries

Right now,only ixgdb,macvlan,vxlan and bridge implement
fdb_add/fdb_del operations.

these operations only operate the private data of net
device. So allowing the unprivileged users who creates
the userns and netns to add/del fdb entries will do no
harm to other netns.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet: usbnet: fix tx_dropped statistics
Bjørn Mork [Thu, 31 Jan 2013 08:36:05 +0000]
net: usbnet: fix tx_dropped statistics

It is normal for minidrivers accumulating frames to return NULL
from their tx_fixup function. We do not want to count this as a
drop, or log any debug messages.  A different exit path is
therefore chosen for such drivers, skipping the debug message
and the tx_dropped increment.

The test for accumulating drivers was however completely bogus,
making the exit path selection depend on whether the user had
enabled tx_err logging or not. This would arbitrarily mess up
accounting for both accumulating and non-accumulating minidrivers,
and would result in unwanted debug messages for the accumulating
drivers.

Fix by testing for FLAG_MULTI_PACKET instead, which probably was
the intention from the beginning.  This usage match the documented
behaviour of this flag:

 Indicates to usbnet, that USB driver accumulates multiple IP packets.
 Affects statistic (counters) and short packet handling.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agotcp: ipv6: Update MIB counters for drops
Vijay Subramanian [Thu, 31 Jan 2013 08:24:19 +0000]
tcp: ipv6: Update MIB counters for drops

This patch updates LINUX_MIB_LISTENDROPS and LINUX_MIB_LISTENOVERFLOWS in
tcp_v6_conn_request() and tcp_v6_err(). tcp_v6_conn_request() in particular can
drop SYNs for various reasons which are not currently tracked.

Signed-off-by: Vijay Subramanian <subramanian.vijay@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agotcp: Update MIB counters for drops
Vijay Subramanian [Thu, 31 Jan 2013 08:24:06 +0000]
tcp: Update MIB counters for drops

This patch updates LINUX_MIB_LISTENDROPS in tcp_v4_conn_request() and
tcp_v4_err(). tcp_v4_conn_request() in particular can drop SYNs for various
reasons which are not currently tracked.

Signed-off-by: Vijay Subramanian <subramanian.vijay@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agopacket: fix leakage of tx_ring memory
Phil Sutter [Fri, 1 Feb 2013 07:21:41 +0000]
packet: fix leakage of tx_ring memory

When releasing a packet socket, the routine packet_set_ring() is reused
to free rings instead of allocating them. But when calling it for the
first time, it fills req->tp_block_nr with the value of rb->pg_vec_len
which in the second invocation makes it bail out since req->tp_block_nr
is greater zero but req->tp_block_size is zero.

This patch solves the problem by passing a zeroed auto-variable to
packet_set_ring() upon each invocation from packet_release().

As far as I can tell, this issue exists even since 69e3c75 (net: TX_RING
and packet mmap), i.e. the original inclusion of TX ring support into
af_packet, but applies only to sockets with both RX and TX ring
allocated, which is probably why this was unnoticed all the time.

Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Cc: Johann Baudy <johann.baudy@gnu-log.net>
Cc: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agostmmac: don't return zero on failure path in stmmac_pci_probe()
Alexey Khoroshilov [Fri, 1 Feb 2013 12:09:19 +0000]
stmmac: don't return zero on failure path in stmmac_pci_probe()

If stmmac_dvr_probe() fails in stmmac_pci_probe(), it breaks off initialization,
deallocates all resources, but returns zero.
The patch adds -ENODEV as return value in this case.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet: Fix inner_network_header assignment in skb-copy.
Pravin B Shelar [Fri, 1 Feb 2013 15:18:49 +0000]
net: Fix inner_network_header assignment in skb-copy.

Use correct inner offset to set inner_network_offset.
Found by inspection.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agotcp: frto should not set snd_cwnd to 0
Eric Dumazet [Sun, 3 Feb 2013 09:13:05 +0000]
tcp: frto should not set snd_cwnd to 0

Commit 9dc274151a548 (tcp: fix ABC in tcp_slow_start())
uncovered a bug in FRTO code :
tcp_process_frto() is setting snd_cwnd to 0 if the number
of in flight packets is 0.

As Neal pointed out, if no packet is in flight we lost our
chance to disambiguate whether a loss timeout was spurious.

We should assume it was a proper loss.

Reported-by: Pasi Kärkkäinen <pasik@iki.fi>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Cc: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agotcp: fix an infinite loop in tcp_slow_start()
Eric Dumazet [Sat, 2 Feb 2013 05:23:16 +0000]
tcp: fix an infinite loop in tcp_slow_start()

Since commit 9dc274151a548 (tcp: fix ABC in tcp_slow_start()),
a nul snd_cwnd triggers an infinite loop in tcp_slow_start()

Avoid this infinite loop and log a one time error for further
analysis. FRTO code is suspected to cause this bug.

Reported-by: Pasi Kärkkäinen <pasik@iki.fi>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge branch 'delete-wanrouter' of git://git.kernel.org/pub/scm/linux/kernel/git...
David S. Miller [Sun, 3 Feb 2013 04:13:00 +0000]
Merge branch 'delete-wanrouter' of git://git./linux/kernel/git/paulg/linux

Paul Gortmaker says:

====================
The removal of wanrouter code was originally listed in the (now
gone) feature removal file since May 2012, and an RFC of the
deletion was posted[1] in late 2012.  The overall concept was given
an OK, but defconfig contamination, build failures, etc. meant that
it didn't quite make it into mainline for 3.8.

Since that time, Dan discovered (via code audit) a runtime bug that
proves nobody has been using this for over four years[2].  With that
new information, I think it makes sense for someone to follow through
on Joe's original RFC and get this done for the 3.9 release.

In addition to resolving the build failures of the RFC by keeping
stub headers, this also splits the change into two parts, just like
the token ring removal did.  Part #1 decouples the mainline kernel
from the expired subsystem, and part #2 does the large scale
deletion of the subsystem content.

The advantage of the above, is that a "git blame" will never lead
you to a 4000+ line deletion commit.  The large scale deletion will
never show up in a "git blame" and hence the same advantages that we
get from the "--irreversible-delete" in the review stage of "git
format-patch" are also embedded into the git history itself.  This
may seem like a moot point to some, but for those who spend a
considerable amount of time data mining in the git history, this is
probably worth doing.

I have done build tests of all[mod/yes]config for both the stage 1
(Makefile and Kconfig) and stage 2 (full driver delete) as a sanity
check, and the issues with the previously posted RFC should be gone.

Speaking of "--irreversible-delete" -- these patches were created
with that option, so if you want to use them locally, you are going
to have to pull (location below) the content instead of doing a
"git am" of the mailed out content.

[1] http://patchwork.ozlabs.org/patch/198794/
[2] http://www.spinics.net/lists/netdev/msg218670.html
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge branch 'fixes-for-3.8' of git://gitorious.org/linux-can/linux-can
David S. Miller [Sun, 3 Feb 2013 04:09:32 +0000]
Merge branch 'fixes-for-3.8' of git://gitorious.org/linux-can/linux-can

Marc Kleine-Budde says:

====================
here's a patch for net for the v3.8 release cycle. Alexander Stein noticed that
the c_can hardware has a fixed bit in the IFx_MASK2 register. His patch fixes
writing of this register by always setting this bit.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoqlcnic: silence false positive overflow warning
Dan Carpenter [Wed, 30 Jan 2013 22:14:10 +0000]
qlcnic: silence false positive overflow warning

We actually store the MAC address as well as the board_name here.  The
longest board_name is 75 characters so there is more than enough room
to hold the 17 character MAC and the ": " divider.  But making this
buffer larger silences a static checker warning.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-By: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobnx2x: Force link UP when the interface is in LOOPBACK mode
Mahesh Bandewar [Wed, 30 Jan 2013 07:00:12 +0000]
bnx2x: Force link UP when the interface is in LOOPBACK mode

When the interface does not have carrier but when it's put into
loopback mode (for tests), it does not make sense to not have
the carrier. So force it!

Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agovia-rhine: Fix bugs in NAPI support.
David S. Miller [Wed, 30 Jan 2013 03:58:04 +0000]
via-rhine: Fix bugs in NAPI support.

1) rhine_tx() should use dev_kfree_skb() not dev_kfree_skb_irq()

2) rhine_slow_event_task's NAPI triggering logic is racey, it
   should just hit the interrupt mask register.  This is the
   same as commit 7dbb491878a2c51d372a8890fa45a8ff80358af1
   ("r8169: avoid NAPI scheduling delay.") made to fix the same
   problem in the r8169 driver.  From Francois Romieu.

Reported-by: Jamie Gloudon <jamie.gloudon@gmail.com>
Tested-by: Jamie Gloudon <jamie.gloudon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge branch 'intel'
David S. Miller [Sun, 3 Feb 2013 03:55:16 +0000]
Merge branch 'intel'

Jeff Kirsher says:

====================
This series contains updates to ixgbe and e1000e.  The ixgbe patches are
a mix of fixes, cleanup and added functionality.  The first fix is for
traffic classes, where if the mapping has changed reset the NIC.  The other
ixgbe fix resolves an issue where the device lookup neglected to do a
pci_dev_put() to decrement the device reference count.

The ixgbe cleanup was done by Josh, where the auto-negotiation variables
were renamed/cleaned up and refactored.

The remaining patches are from Bruce to do additional cleanup on e1000e as
well as bump the driver version.  Most notably is the cleanup to use the
kernel IEEE MII definitions where possible instead of the local MII
definitions.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge branch 'wireless'
David S. Miller [Fri, 1 Feb 2013 19:50:16 +0000]
Merge branch 'wireless'

John W. Linville says:

====================
This is a small batch of fixes intended for the 3.8 stream...

There are two pulls from Johannes.  Regarding mac80211, Johannes says:

"One fix from Dan for a possible memory overrun."

Regarding iwlwifi,  Johannes says:

"I have one fix from Emmanuel reverting a previous fix that caused
more trouble than it's worth."

Along with those:

Arend van Spriel fixes a fatal error in brcsmac related to tx status processing.

Bing Zhao corrects a problem where mwifiex would fail to complete a scan
in the event of an IE processing error.

Larry Finger fixes a thinko in rtlwifi in which the wrong skb variable
was being used in some cases.

Rafał Miłecki fixes a thinko in an ID check in the bcma flash code.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
John W. Linville [Fri, 1 Feb 2013 18:43:25 +0000]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless into for-davem

7 years agocan: c_can: Set reserved bit in IFx_MASK2 to 1 on write
Alexander Stein [Thu, 13 Dec 2012 09:06:10 +0000]
can: c_can: Set reserved bit in IFx_MASK2 to 1 on write

According to C_CAN documentation, the reserved bit in IFx_MASK2 register is
fixed 1.

Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

7 years agoe1000e: use generic IEEE MII definitions
Bruce Allan [Wed, 16 Jan 2013 08:54:35 +0000]
e1000e: use generic IEEE MII definitions

For standard IEEE MII-compatible transceivers, the kernel has generic
register and bit definitions.  Use those instead of redundant local
defines.

Do not replace references of MII_CR_SPEED_10 with BMCR_SPEED10 (0x0000)
when it is not necessary (i.e. when it is bitwise OR'ed with another
value).

Some whitespace issues in the surrounding context of the above changes are
also cleaned up.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agoe1000e: resolve -Wunused-parameter compile warnings
Bruce Allan [Wed, 16 Jan 2013 08:46:49 +0000]
e1000e: resolve -Wunused-parameter compile warnings

Remove the unused parameter when possible, otherwise use __always_unused
attribute.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agoe1000e: update driver version string
Bruce Allan [Sat, 12 Jan 2013 07:28:54 +0000]
e1000e: update driver version string

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agoe1000e: cleanup some whitespace and indentation issues
Bruce Allan [Sat, 12 Jan 2013 07:28:24 +0000]
e1000e: cleanup some whitespace and indentation issues

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agoe1000e: cleanup: group OR'ed bit settings with parens
Bruce Allan [Sat, 12 Jan 2013 07:27:53 +0000]
e1000e: cleanup: group OR'ed bit settings with parens

For clarity, wrap OR'ed bit settings with parentheses.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agoe1000e: cleanup defines.h
Bruce Allan [Sat, 12 Jan 2013 07:27:23 +0000]
e1000e: cleanup defines.h

Remove redundant defines which are defined elsewhere.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agoixgbe: autoneg variable refactoring
Josh Hay [Sat, 15 Dec 2012 03:28:30 +0000]
ixgbe: autoneg variable refactoring

Removes the autoneg parameter from the setup_link functions.
Adds local variable autoneg to setup_link functions to be passed
to get_link_capabilities functions if needed.

Signed-off-by: Josh Hay <joshua.a.hay@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>

7 years agoixgbe: removed unused variable from setup_link_speed
Josh Hay [Sat, 15 Dec 2012 03:28:24 +0000]
ixgbe: removed unused variable from setup_link_speed

Removes the autoneg parameter from the setup_link_speed functions.  These
functions do nothing with this parameter.

Signed-off-by: Josh Hay <joshua.a.hay@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agoixgbe: rename autoneg variables
Josh Hay [Sat, 15 Dec 2012 03:28:19 +0000]
ixgbe: rename autoneg variables

Renames some autoneg/speed variables to be more consistent with check_link,
get_link_capabilities, and setup_link function calls. Initializes instances
of autoneg.

Signed-off-by: Josh Hay <joshua.a.hay@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agoixgbe: Fix device ref count bug
Greg Rose [Thu, 13 Dec 2012 01:14:06 +0000]
ixgbe: Fix device ref count bug

The device lookup neglected to do a pci_dev_put() to decrement the
device reference count.

Reported-by: Elena Gurevich <elena.gurevich@toganetworks.com>
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agoixgbe: Reset the NIC if up2tc has changed
Amir Hanania [Tue, 4 Dec 2012 03:03:03 +0000]
ixgbe: Reset the NIC if up2tc has changed

Check for up2tc change and call ixgbe_dcbnl_devreset() if the mapping has
changed but the number of TC's in use has not changed.

Signed-off-by: Amir Hanania <amir.hanania@intel.com>
Tested-by: Jack Morgan <jack.morgan@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

7 years agowanrouter: delete now orphaned header content, files/drivers
Paul Gortmaker [Thu, 31 Jan 2013 02:50:08 +0000]
wanrouter: delete now orphaned header content, files/drivers

The wanrouter support was identified earlier as unused for years,
and so the previous commit totally decoupled it from the kernel,
leaving the related wanrouter files present, but totally inert.

Here we take the final step in that cleanup, by doing a wholesale
removal of these files.  The two step process is used so that the
large deletion is decoupled from the git history of files that we
still care about.

The drivers deleted here all were dependent on the Kconfig setting
CONFIG_WAN_ROUTER_DRIVERS.

A stub wanrouter.h header (kernel & uapi) are left behind so that
drivers/isdn/i4l/isdn_x25iface.c continues to compile, and so that
we don't accidentally break userspace that expected these defines.

Cc: Joe Perches <joe@perches.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

7 years agowanrouter: completely decouple obsolete code from kernel.
Paul Gortmaker [Thu, 31 Jan 2013 02:49:29 +0000]
wanrouter: completely decouple obsolete code from kernel.

The original suggestion to delete wanrouter started earlier
with the mainline commit f0d1b3c2bcc5de8a17af5f2274f7fcde8292b5fc
("net/wanrouter: Deprecate and schedule for removal") in May 2012.

More importantly, Dan Carpenter found[1] that the driver had a
fundamental breakage introduced back in 2008, with commit
7be6065b39c3 ("netdevice wanrouter: Convert directly reference of
netdev->priv").  So we know with certainty that the code hasn't been
used by anyone willing to at least take the effort to send an e-mail
report of breakage for at least 4 years.

This commit does a decouple of the wanrouter subsystem, by going
after the Makefile/Kconfig and similar files, so that these mainline
files that we are keeping do not have the big wanrouter file/driver
deletion commit tied into their history.

Once this commit is in place, we then can remove the obsolete cyclomx
drivers and similar that have a dependency on CONFIG_WAN_ROUTER_DRIVERS.

[1] http://www.spinics.net/lists/netdev/msg218670.html

Originally-by: Joe Perches <joe@perches.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

7 years agotcp: detect SYN/data drop when F-RTO is disabled
Yuchung Cheng [Thu, 31 Jan 2013 19:16:46 +0000]
tcp: detect SYN/data drop when F-RTO is disabled

On receiving the SYN-ACK, Fast Open checks icsk_retransmit for SYN
retransmission to detect SYN/data drops. But if F-RTO is disabled,
icsk_retransmit is reset at step D of tcp_fastretrans_alert() (
under tcp_ack()) before tcp_rcv_fastopen_synack(). The fix is to use
total_retrans instead which accounts for SYN retransmission regardless
the use of F-RTO.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agol2tp: correctly handle ancillary data in the ip6 recv path
Tom Parkin [Thu, 31 Jan 2013 01:02:26 +0000]
l2tp: correctly handle ancillary data in the ip6 recv path

l2tp_ip6 is incorrectly using the IPv4-specific ip_cmsg_recv to handle
ancillary data.  This means that socket options such as IPV6_RECVPKTINFO are
not honoured in userspace.

Convert l2tp_ip6 to use the IPv6-specific handler.

Ref: net/ipv6/udp.c

Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Chris Elston <celston@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoipv6: export ip6_datagram_recv_ctl
Tom Parkin [Thu, 31 Jan 2013 01:02:25 +0000]
ipv6: export ip6_datagram_recv_ctl

ip6_datagram_recv_ctl and ip6_datagram_send_ctl are used for handling IPv6
ancillary data.  Since ip6_datagram_send_ctl is already publicly exported for
use in modules, ip6_datagram_recv_ctl should also be available to support
ancillary data in the receive path.

Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoipv6: rename datagram_send_ctl and datagram_recv_ctl
Tom Parkin [Thu, 31 Jan 2013 01:02:24 +0000]
ipv6: rename datagram_send_ctl and datagram_recv_ctl

The datagram_*_ctl functions in net/ipv6/datagram.c are IPv6-specific.  Since
datagram_send_ctl is publicly exported it should be appropriately named to
reflect the fact that it's for IPv6 only.

Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoMerge branch 'mlx4'
David S. Miller [Thu, 31 Jan 2013 17:49:10 +0000]
Merge branch 'mlx4'

Merge mlx4 bug fixes from Amir Vadai.

Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_en: Fix transmit timeout when driver restarts port
Amir Vadai [Wed, 30 Jan 2013 23:07:11 +0000]
net/mlx4_en: Fix transmit timeout when driver restarts port

Under heavy CPU load, changing, ring size/mtu/etc. could result in transmit
timeout, since stop-start port might take more than 10 seconds.
Calling netif_detach_device to prevent tx queue transmit timeout.

netif_detach_device() is not called under ndo_stop, because netif_carrier_off
will prevent the timeout, and device should not be marked as not present, or
else user won't be able to start it later on.

CC: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_en: Don't reassign port mac address on firmware that supports it
Matan Barak [Wed, 30 Jan 2013 23:07:10 +0000]
net/mlx4_en: Don't reassign port mac address on firmware that supports it

Mac reassignments should only be done when not supported by the firmware. To
accomplish that, checking firmware capability bit to know whether we should
reassign macs in the driver.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_core: Use firmware driven flow steering hash mode
Hadar Hen Zion [Wed, 30 Jan 2013 23:07:09 +0000]
net/mlx4_core: Use firmware driven flow steering hash mode

The Firmware dynamically changes flow steering hash configuration from covering
L2 only to "full" L2/L3/L4 mode needed.  The dynamic change allows the driver
to set hard coded hash configuration which is changed by the firmware from L2
to L2/L3/L4 when attaching the first L3/L4 flow steering rule and back to L2
when there are no more such rules.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_en: Fix ethtool rules leftovers after module unloaded
Hadar Hen Zion [Wed, 30 Jan 2013 23:07:08 +0000]
net/mlx4_en: Fix ethtool rules leftovers after module unloaded

As part of the driver unload flow, all steering rules must be deleted,
make sure to remove the rules that were set through ethtool.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_en: Block insertion of ethtool steering rules while the interface is down
Hadar Hen Zion [Wed, 30 Jan 2013 23:07:07 +0000]
net/mlx4_en: Block insertion of ethtool steering rules while the interface is down

Attaching steering rules while the interface is down is an invalid operation, block it.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_en: Fix vlan mask for ethtool steering rules
Hadar Hen Zion [Wed, 30 Jan 2013 23:07:06 +0000]
net/mlx4_en: Fix vlan mask for ethtool steering rules

The vlan mask field should be validated and assigned according to the field
size which is 12 bits. Also replace the numeric 0xfff mask with existing kernel
macro.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_en: Validate VLAN IDs provided in ethtool flow steering rules
Hadar Hen Zion [Wed, 30 Jan 2013 23:07:05 +0000]
net/mlx4_en: Validate VLAN IDs provided in ethtool flow steering rules

When attaching flow steering rules via Ethtool accept only valid vlans IDs e.g
in the range: [0,4095].

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_en: Fix ip/udp steering rules multicast mac when attached via ethtool
Hadar Hen Zion [Wed, 30 Jan 2013 23:07:04 +0000]
net/mlx4_en: Fix ip/udp steering rules multicast mac when attached via ethtool

Destination mac is a mandatory specification for ip/udp steering rules.
When attaching multicast steering rules via ethtool the unicast mac of the
interface was added to the rule specification instead of the multicast mac.
The following commit sets the corresponding multicast mac for the rule multicast ip.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_core: Set correctly allow_loopback flag
Hadar Hen Zion [Wed, 30 Jan 2013 23:07:03 +0000]
net/mlx4_core: Set correctly allow_loopback flag

The allow_loopback flag was wrongly set using arithmetic bit operation, change
the code to use logical bit operation.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/mlx4_core: Directly expose fields of HW flow steering rule control segment
Hadar Hen Zion [Wed, 30 Jan 2013 23:07:02 +0000]
net/mlx4_core: Directly expose fields of HW flow steering rule control segment

Some of the fields for struct mlx4_net_trans_rule_hw_ctrl were packed into u32
and accessed through bit field operations. Expose and access them directly as
u8.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet/vxlan: Add ethtool drvinfo
Yan Burman [Tue, 29 Jan 2013 23:43:07 +0000]
net/vxlan: Add ethtool drvinfo

Implement ethtool get_drvinfo.

Signed-off-by: Yan Burman <yanb@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoipv6 anycast: Convert ipv6_sk_ac_lock to spinlock.
YOSHIFUJI Hideaki / 吉藤英明 [Wed, 30 Jan 2013 09:27:58 +0000]
ipv6 anycast: Convert ipv6_sk_ac_lock to spinlock.

Since all users are write-lock, it does not make sense to use
rwlock here.  Use simple spinlock.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoipv6 flowlabel: Convert np->ipv6_fl_list to RCU.
YOSHIFUJI Hideaki / 吉藤英明 [Wed, 30 Jan 2013 09:27:52 +0000]
ipv6 flowlabel: Convert np->ipv6_fl_list to RCU.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoipv6 flowlabel: Convert hash list to RCU.
YOSHIFUJI Hideaki / 吉藤英明 [Wed, 30 Jan 2013 09:27:47 +0000]
ipv6 flowlabel: Convert hash list to RCU.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoipv6 flowlabel: Ensure to take lock when modifying np->ip6_sk_fl_list.
YOSHIFUJI Hideaki / 吉藤英明 [Wed, 30 Jan 2013 09:26:42 +0000]
ipv6 flowlabel: Ensure to take lock when modifying np->ip6_sk_fl_list.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agox86: bpf_jit_comp: add pkt_type support
Eric Dumazet [Thu, 31 Jan 2013 01:51:44 +0000]
x86: bpf_jit_comp: add pkt_type support

Supporting access to skb->pkt_type is a bit tricky if we want
to have a generic code, allowing pkt_type to be moved in struct sk_buff

pkt_type is a bit field, so compiler cannot really help us to find
its offset. Let's use a helper for this : It will throw a one time
message if pkt_type no longer starts at a byte boundary or is
no longer a 3bit field.

Reported-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoqlcnic: Bump up the version to 5.1.33
Jitendra Kalsaria [Wed, 30 Jan 2013 12:47:19 +0000]
qlcnic: Bump up the version to 5.1.33

Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoqlcnic: make pci_error_handlers const
Stephen Hemminger [Wed, 30 Jan 2013 12:47:18 +0000]
qlcnic: make pci_error_handlers const

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoqlcnic: Fix RX/TX checksum setting for some adapter types
Manish chopra [Wed, 30 Jan 2013 12:47:17 +0000]
qlcnic: Fix RX/TX checksum setting for some adapter types

Signed-off-by: Manish chopra <manish.chopra@qlogic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoqlcnic: Fix minidump in NPAR mode
Shahed Shaikh [Wed, 30 Jan 2013 12:47:16 +0000]
qlcnic: Fix minidump in NPAR mode

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoqlcnic: driver LRO bug fix
Manish chopra [Wed, 30 Jan 2013 12:47:15 +0000]
qlcnic: driver LRO bug fix

o ipv4 address was not getting programmed properly because of
  improper byte order conversion

Signed-off-by: Manish chopra <manish.chopra@qlogic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoqlcnic: Free irq for mailbox interrupts
Manish chopra [Wed, 30 Jan 2013 12:47:14 +0000]
qlcnic: Free irq for mailbox interrupts

Signed-off-by: Manish chopra <manish.chopra@qlogic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoqlcnic: Fix bug in reading HW reset template
Manish chopra [Wed, 30 Jan 2013 12:47:13 +0000]
qlcnic: Fix bug in reading HW reset template

Signed-off-by: Manish chopra <manish.chopra@qlogic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoqlcnic: Fix sparse check endian warnings
Shahed Shaikh [Wed, 30 Jan 2013 12:47:12 +0000]
qlcnic: Fix sparse check endian warnings

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoNET: qmi_wwan: add Telit LE920 support
Daniele Palmas [Wed, 30 Jan 2013 02:47:06 +0000]
NET: qmi_wwan: add Telit LE920 support

Add VID, PID and fixed interface for Telit LE920

Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoipv6: do not create neighbor entries for local delivery
Marcelo Ricardo Leitner [Tue, 29 Jan 2013 22:26:08 +0000]
ipv6: do not create neighbor entries for local delivery

They will be created at output, if ever needed. This avoids creating
empty neighbor entries when TPROXYing/Forwarding packets for addresses
that are not even directly reachable.

Note that IPv4 already handles it this way. No neighbor entries are
created for local input.

Tested by myself and customer.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Marcelo Ricardo Leitner <mleitner@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonet: usbnet: prevent buggy devices from killing us
Bjørn Mork [Mon, 28 Jan 2013 23:51:28 +0000]
net: usbnet: prevent buggy devices from killing us

A device sending 0 length frames as fast as it can has been
observed killing the host system due to the resulting memory
pressure.

Temporarily disable RX skb allocation and URB submission when
the current error ratio is high, preventing us from trying to
allocate an infinite number of skbs.  Reenable as soon as we
are finished processing the done queue, allowing the device
to continue working after short error bursts.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agobond: have random dev address by default instead of zeroes
Jiri Pirko [Wed, 30 Jan 2013 10:08:11 +0000]
bond: have random dev address by default instead of zeroes

Makes more sense to have randomly generated address by default than to
have all zeroes. It also allows user to for example put the bond into
bridge without need to have any slaves in it.

Also note that this changes only behaviour of bonds with no slaves. Once
the first slave device is enslaved, its address will be used (no change
here).

Also, fix dev_assign_type values on the way.

Reported-by: Pavel Šimerda <psimerda@redhat.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agomwifiex: fix incomplete scan in case of IE parsing error
Bing Zhao [Tue, 29 Jan 2013 22:38:02 +0000]
mwifiex: fix incomplete scan in case of IE parsing error

A scan request is split into multiple scan commands queued in
scan_pending_q. Each scan command will be sent to firmware and
its response is handlded one after another.

If any error is detected while parsing IE in command response
buffer the remaining data will be ignored and error is returned.

We should check if there is any more scan commands pending in
the queue before returning error. This ensures that we will call
cfg80211_scan_done if this is the last scan command, or send
next scan command in scan_pending_q to firmware.

Cc: "3.6+" <stable@vger.kernel.org>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

7 years agonet: disallow drivers with buggy VLAN accel to register_netdevice()
Michał Mirosław [Tue, 29 Jan 2013 15:14:16 +0000]
net: disallow drivers with buggy VLAN accel to register_netdevice()

Instead of jumping aroung bugs that are easily fixed just don't let them in:
affected drivers should be either fixed or have NETIF_F_HW_VLAN_FILTER
removed from advertised features.

Quick grep in drivers/net shows two drivers that have NETIF_F_HW_VLAN_FILTER
but not ndo_vlan_rx_add/kill_vid(), but those are false-positives (features
are commented out).

OTOH two drivers have ndo_vlan_rx_add/kill_vid() implemented but don't
advertise NETIF_F_HW_VLAN_FILTER. Those are:

+ethernet/cisco/enic/enic_main.c
+ethernet/qlogic/qlcnic/qlcnic_main.c

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonetfilter ipset: Use ipv6_addr_equal() where appropriate.
YOSHIFUJI Hideaki / 吉藤英明 [Tue, 29 Jan 2013 12:49:03 +0000]
netfilter ipset: Use ipv6_addr_equal() where appropriate.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agonetfilter ip6table_mangle: Use ipv6_addr_equal() where appropriate.
YOSHIFUJI Hideaki / 吉藤英明 [Tue, 29 Jan 2013 12:48:58 +0000]
netfilter ip6table_mangle: Use ipv6_addr_equal() where appropriate.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoxfrm: Convert xfrm_addr_cmp() to boolean xfrm_addr_equal().
YOSHIFUJI Hideaki / 吉藤英明 [Tue, 29 Jan 2013 12:48:50 +0000]
xfrm: Convert xfrm_addr_cmp() to boolean xfrm_addr_equal().

All users of xfrm_addr_cmp() use its result as boolean.
Introduce xfrm_addr_equal() (which is equal to !xfrm_addr_cmp())
and convert all users.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 years agoxfrm: Use ipv6_addr_equal() where appropriate.
YOSHIFUJI Hideaki / 吉藤英明 [Tue, 29 Jan 2013 12:48:31 +0000]
xfrm: Use ipv6_addr_equal() where appropriate.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>