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* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds2014-01-25158-852/+2714
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking updates from David Miller: 1) BPF debugger and asm tool by Daniel Borkmann. 2) Speed up create/bind in AF_PACKET, also from Daniel Borkmann. 3) Correct reciprocal_divide and update users, from Hannes Frederic Sowa and Daniel Borkmann. 4) Currently we only have a "set" operation for the hw timestamp socket ioctl, add a "get" operation to match. From Ben Hutchings. 5) Add better trace events for debugging driver datapath problems, also from Ben Hutchings. 6) Implement auto corking in TCP, from Eric Dumazet. Basically, if we have a small send and a previous packet is already in the qdisc or device queue, defer until TX completion or we get more data. 7) Allow userspace to manage ipv6 temporary addresses, from Jiri Pirko. 8) Add a qdisc bypass option for AF_PACKET sockets, from Daniel Borkmann. 9) Share IP header compression code between Bluetooth and IEEE802154 layers, from Jukka Rissanen. 10) Fix ipv6 router reachability probing, from Jiri Benc. 11) Allow packets to be captured on macvtap devices, from Vlad Yasevich. 12) Support tunneling in GRO layer, from Jerry Chu. 13) Allow bonding to be configured fully using netlink, from Scott Feldman. 14) Allow AF_PACKET users to obtain the VLAN TPID, just like they can already get the TCI. From Atzm Watanabe. 15) New "Heavy Hitter" qdisc, from Terry Lam. 16) Significantly improve the IPSEC support in pktgen, from Fan Du. 17) Allow ipv4 tunnels to cache routes, just like sockets. From Tom Herbert. 18) Add Proportional Integral Enhanced packet scheduler, from Vijay Subramanian. 19) Allow openvswitch to mmap'd netlink, from Thomas Graf. 20) Key TCP metrics blobs also by source address, not just destination address. From Christoph Paasch. 21) Support 10G in generic phylib. From Andy Fleming. 22) Try to short-circuit GRO flow compares using device provided RX hash, if provided. From Tom Herbert. The wireless and netfilter folks have been busy little bees too. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2064 commits) net/cxgb4: Fix referencing freed adapter ipv6: reallocate addrconf router for ipv6 address when lo device up fib_frontend: fix possible NULL pointer dereference rtnetlink: remove IFLA_BOND_SLAVE definition rtnetlink: remove check for fill_slave_info in rtnl_have_link_slave_info qlcnic: update version to 5.3.55 qlcnic: Enhance logic to calculate msix vectors. qlcnic: Refactor interrupt coalescing code for all adapters. qlcnic: Update poll controller code path qlcnic: Interrupt code cleanup qlcnic: Enhance Tx timeout debugging. qlcnic: Use bool for rx_mac_learn. bonding: fix u64 division rtnetlink: add missing IFLA_BOND_AD_INFO_UNSPEC sfc: Use the correct maximum TX DMA ring size for SFC9100 Add Shradha Shah as the sfc driver maintainer. net/vxlan: Share RX skb de-marking and checksum checks with ovs tulip: cleanup by using ARRAY_SIZE() ip_tunnel: clear IPCB in ip_tunnel_xmit() in case dst_link_failure() is called net/cxgb4: Don't retrieve stats during recovery ...
| * rtnetlink: remove IFLA_BOND_SLAVE definitionJiri Pirko2014-01-241-1/+0
| | | | | | | | | | | | | | | | This is in net-next only, for couple of days. Not used anymore, and never should have been. So just remove it and pretend it was never there. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
| * rtnetlink: add missing IFLA_BOND_AD_INFO_UNSPECJiri Pirko2014-01-231-0/+1
| | | | | | | | | | Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
| * rtnetlink: remove ndo_get_slaveJiri Pirko2014-01-231-5/+0
| | | | | | | | | | | | | | | | No longer used API bond-specific can be removed now. This is now handled in a generic way in rtnl_link_ops. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
| * rtnetlink: provide api for getting and setting slave infoJiri Pirko2014-01-232-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recent patch bonding: add netlink attributes to slave link dev (1d3ee88ae0d6) Introduced yet another device specific way to access slave information over rtnetlink. There is one already there for bridge. This patch introduces generic way to do this, for getting and setting info as well by extending link_ops. Later on, this new interface will be used for bridge ports as well. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
| * rtnetlink: put "BOND" into nl attribute names which are related to bondingJiri Pirko2014-01-231-9/+10
| | | | | | | | | | | | Signed-off-by: Jiri Pirko <jiri@resnulli.us> Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv6: enable anycast addresses as source addresses for datagramsFX Le Bail2014-01-231-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change allows to consider an anycast address valid as source address when given via an IPV6_PKTINFO or IPV6_2292PKTINFO ancillary data item. So, when sending a datagram with ancillary data, the unicast and anycast addresses are handled in the same way. - Adds ipv6_chk_acast_addr_src() to check if an anycast address is link-local on given interface or is global. - Uses it in ip6_datagram_send_ctl(). Signed-off-by: Francois-Xavier Le Bail <fx.lebail@yahoo.com> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: update comments of "struct msghdr" with the more accurate RFC3542 onesFX Le Bail2014-01-231-7/+7
| | | | | | | | | | Signed-off-by: Francois-Xavier Le Bail <fx.lebail@yahoo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * af_packet: Add Queue mapping mode to af_packet fanout operationNeil Horman2014-01-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a queue mapping mode to the fanout operation of af_packet sockets. This allows user space af_packet users to better filter on flows ingressing and egressing via a specific hardware queue, and avoids the potential packet reordering that can occur when FANOUT_CPU is being used and irq affinity varies. Tested successfully by myself. applies to net-next Signed-off-by: Neil Horman <nhorman@tuxdriver.com> CC: "David S. Miller" <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * reciprocal_divide: update/correction of the algorithmHannes Frederic Sowa2014-01-224-21/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Jakub Zawadzki noticed that some divisions by reciprocal_divide() were not correct [1][2], which he could also show with BPF code after divisions are transformed into reciprocal_value() for runtime invariance which can be passed to reciprocal_divide() later on; reverse in BPF dump ended up with a different, off-by-one K in some situations. This has been fixed by Eric Dumazet in commit aee636c4809fa5 ("bpf: do not use reciprocal divide"). This follow-up patch improves reciprocal_value() and reciprocal_divide() to work in all cases by using Granlund and Montgomery method, so that also future use is safe and without any non-obvious side-effects. Known problems with the old implementation were that division by 1 always returned 0 and some off-by-ones when the dividend and divisor where very large. This seemed to not be problematic with its current users, as far as we can tell. Eric Dumazet checked for the slab usage, we cannot surely say so in the case of flex_array. Still, in order to fix that, we propose an extension from the original implementation from commit 6a2d7a955d8d resp. [3][4], by using the algorithm proposed in "Division by Invariant Integers Using Multiplication" [5], Torbjörn Granlund and Peter L. Montgomery, that is, pseudocode for q = n/d where q, n, d is in u32 universe: 1) Initialization: int l = ceil(log_2 d) uword m' = floor((1<<32)*((1<<l)-d)/d)+1 int sh_1 = min(l,1) int sh_2 = max(l-1,0) 2) For q = n/d, all uword: uword t = (n*m')>>32 q = (t+((n-t)>>sh_1))>>sh_2 The assembler implementation from Agner Fog [6] also helped a lot while implementing. We have tested the implementation on x86_64, ppc64, i686, s390x; on x86_64/haswell we're still half the latency compared to normal divide. Joint work with Daniel Borkmann. [1] http://www.wireshark.org/~darkjames/reciprocal-buggy.c [2] http://www.wireshark.org/~darkjames/set-and-dump-filter-k-bug.c [3] https://gmplib.org/~tege/division-paper.pdf [4] http://homepage.cs.uiowa.edu/~jones/bcd/divide.html [5] http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1.2556 [6] http://www.agner.org/optimize/asmlib.zip Reported-by: Jakub Zawadzki <darkjames-ws@darkjames.pl> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Austin S Hemmelgarn <ahferroin7@gmail.com> Cc: linux-kernel@vger.kernel.org Cc: Jesse Gross <jesse@nicira.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: Stephen Hemminger <stephen@networkplumber.org> Cc: Matt Mackall <mpm@selenic.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Andy Gospodarek <andy@greyhouse.net> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Jakub Zawadzki <darkjames-ws@darkjames.pl> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: introduce reciprocal_scale helper and convert usersDaniel Borkmann2014-01-222-3/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As David Laight suggests, we shouldn't necessarily call this reciprocal_divide() when users didn't requested a reciprocal_value(); lets keep the basic idea and call it reciprocal_scale(). More background information on this topic can be found in [1]. Joint work with Hannes Frederic Sowa. [1] http://homepage.cs.uiowa.edu/~jones/bcd/divide.html Suggested-by: David Laight <david.laight@aculab.com> Cc: Jakub Zawadzki <darkjames-ws@darkjames.pl> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * random32: add prandom_u32_max and convert open coded usersDaniel Borkmann2014-01-221-1/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many functions have open coded a function that returns a random number in range [0,N-1]. Under the assumption that we have a PRNG such as taus113 with being well distributed in [0, ~0U] space, we can implement such a function as uword t = (n*m')>>32, where m' is a random number obtained from PRNG, n the right open interval border and t our resulting random number, with n,m',t in u32 universe. Lets go with Joe and simply call it prandom_u32_max(), although technically we have an right open interval endpoint, but that we have documented. Other users can further be migrated to the new prandom_u32_max() function later on; for now, we need to make sure to migrate reciprocal_divide() users for the reciprocal_divide() follow-up fixup since their function signatures are going to change. Joint work with Hannes Frederic Sowa. Cc: Jakub Zawadzki <darkjames-ws@darkjames.pl> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: filter: let bpf_tell_extensions return SKF_AD_MAXDaniel Borkmann2014-01-221-7/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Michal Sekletar added in commit ea02f9411d9f ("net: introduce SO_BPF_EXTENSIONS") a facility where user space can enquire the BPF ancillary instruction set, which is imho a step into the right direction for letting user space high-level to BPF optimizers make an informed decision for possibly using these extensions. The original rationale was to return through a getsockopt(2) a bitfield of which instructions are supported and which are not, as of right now, we just return 0 to indicate a base support for SKF_AD_PROTOCOL up to SKF_AD_PAY_OFFSET. Limitations of this approach are that this API which we need to maintain for a long time can only support a maximum of 32 extensions, and needs to be additionally maintained/updated when each new extension that comes in. I thought about this a bit more and what we can do here to overcome this is to just return SKF_AD_MAX. Since we never remove any extension since we cannot break user space and always linearly increase SKF_AD_MAX on each newly added extension, user space can make a decision on what extensions are supported in the whole set of extensions and which aren't, by just checking which of them from the whole set have an offset < SKF_AD_MAX of the underlying kernel. Since SKF_AD_MAX must be updated each time we add new ones, we don't need to introduce an additional enum and got maintenance for free. At some point in time when SO_BPF_EXTENSIONS becomes ubiquitous for most kernels, then an application can simply make use of this and easily be run on newer or older underlying kernels without needing to be recompiled, of course. Since that is for 3.14, it's not too late to do this change. Cc: Michal Sekletar <msekleta@redhat.com> Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: Michal Sekletar <msekleta@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sctp: remove macros sctp_bh_[un]lock_sockwangweidong2014-01-221-4/+0
| | | | | | | | | | | | | | | | Redefined bh_[un]lock_sock to sctp_bh[un]lock_sock for user space friendly code which we haven't use in years, so removing them. Signed-off-by: Wang Weidong <wangweidong1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sctp: remove macros sctp_{lock|release}_sockwangweidong2014-01-221-2/+0
| | | | | | | | | | | | | | | | Redefined {lock|release}_sock to sctp_{lock|release}_sock for user space friendly code which we haven't use in years, so removing them. Signed-off-by: Wang Weidong <wangweidong1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sctp: remove macros sctp_read_[un]lockwangweidong2014-01-221-4/+0
| | | | | | | | | | | | | | | | | | Redefined read_[un]lock to sctp_read_[un]lock for user space friendly code which we haven't use in years, and the macros we never used, so removing them. Signed-off-by: Wang Weidong <wangweidong1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sctp: remove macros sctp_write_[un]_lockwangweidong2014-01-221-2/+0
| | | | | | | | | | | | | | | | Redefined write_[un]lock to sctp_write_[un]lock for user space friendly code which we haven't use in years, so removing them. Signed-off-by: Wang Weidong <wangweidong1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sctp: remove macros sctp_spin_[un]lockwangweidong2014-01-221-4/+2
| | | | | | | | | | | | | | | | Redefined spin_[un]lock to sctp_spin_[un]lock for user space friendly code which we haven't use in years, so removing them. Signed-off-by: Wang Weidong <wangweidong1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sctp: remove macros sctp_local_bh_{disable|enable}wangweidong2014-01-221-2/+0
| | | | | | | | | | | | | | | | Redefined local_bh_{disable|enable} to sctp_local_bh_{disable|enable} for user space friendly code which we haven't use in years, so removing them. Signed-off-by: Wang Weidong <wangweidong1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sctp: remove macros sctp_spin_[un]lock_irqrestorewangweidong2014-01-221-5/+2
| | | | | | | | | | | | | | | | Redefined spin_[un]lock_irqstore to sctp_spin_[un]lock_irqrestore for user space friendly code which we haven't use in years, so removing them. Signed-off-by: Wang Weidong <wangweidong1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: Add GRO support for vxlan trafficOr Gerlitz2014-01-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add GRO handlers for vxlann, by using the UDP GRO infrastructure. For single TCP session that goes through vxlan tunneling I got nice improvement from 6.8Gbs to 11.5Gbs --> UDP/VXLAN GRO disabled $ netperf -H 192.168.52.147 -c -C $ netperf -t TCP_STREAM -H 192.168.52.147 -c -C MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.52.147 () port 0 AF_INET Recv Send Send Utilization Service Demand Socket Socket Message Elapsed Send Recv Send Recv Size Size Size Time Throughput local remote local remote bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB 87380 65536 65536 10.00 6799.75 12.54 24.79 0.604 1.195 --> UDP/VXLAN GRO enabled $ netperf -t TCP_STREAM -H 192.168.52.147 -c -C MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.52.147 () port 0 AF_INET Recv Send Send Utilization Service Demand Socket Socket Message Elapsed Send Recv Send Recv Size Size Size Time Throughput local remote local remote bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB 87380 65536 65536 10.00 11562.72 24.90 20.34 0.706 0.577 Signed-off-by: Shlomo Pongratz <shlomop@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: Add GRO support for UDP encapsulating protocolsOr Gerlitz2014-01-222-1/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add GRO handlers for protocols that do UDP encapsulation, with the intent of being able to coalesce packets which encapsulate packets belonging to the same TCP session. For GRO purposes, the destination UDP port takes the role of the ether type field in the ethernet header or the next protocol in the IP header. The UDP GRO handler will only attempt to coalesce packets whose destination port is registered to have gro handler. Use a mark on the skb GRO CB data to disallow (flush) running the udp gro receive code twice on a packet. This solves the problem of udp encapsulated packets whose inner VM packet is udp and happen to carry a port which has registered offloads. Signed-off-by: Shlomo Pongratz <shlomop@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * stmmac: Fix kernel crashes for jumbo framesVince Bridgers2014-01-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These changes correct the following issues with jumbo frames on the stmmac driver: 1) The Synopsys EMAC can be configured to support different FIFO sizes at core configuration time. There's no way to query the controller and know the FIFO size, so the driver needs to get this information from the device tree in order to know how to correctly handle MTU changes and setting up dma buffers. The default max-frame-size is as currently used, which is the size of a jumbo frame. 2) The driver was enabling Jumbo frames by default, but was not allocating dma buffers of sufficient size to handle the maximum possible packet size that could be received. This led to memory corruption since DMAs were occurring beyond the extent of the allocated receive buffers for certain types of network traffic. kernel BUG at net/core/skbuff.c:126! Internal error: Oops - BUG: 0 [#1] SMP ARM Modules linked in: CPU: 0 PID: 563 Comm: sockperf Not tainted 3.13.0-rc6-01523-gf7111b9 #31 task: ef35e580 ti: ef252000 task.ti: ef252000 PC is at skb_panic+0x60/0x64 LR is at skb_panic+0x60/0x64 pc : [<c03c7c3c>] lr : [<c03c7c3c>] psr: 60000113 sp : ef253c18 ip : 60000113 fp : 00000000 r10: ef3a5400 r9 : 00000ebc r8 : ef3a546c r7 : ee59f000 r6 : ee59f084 r5 : ee59ff40 r4 : ee59f140 r3 : 000003e2 r2 : 00000007 r1 : c0b9c420 r0 : 0000007d Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 10c5387d Table: 2e8ac04a DAC: 00000015 Process sockperf (pid: 563, stack limit = 0xef252248) Stack: (0xef253c18 to 0xef254000) 3c00: 00000ebc ee59f000 3c20: ee59f084 ee59ff40 ee59f140 c04a9cd8 ee8c50c0 00000ebc ee59ff40 00000000 3c40: ee59f140 c02d0ef0 00000056 ef1eda80 ee8c50c0 00000ebc 22bbef29 c0318f8c 3c60: 00000056 ef3a547c ffe2c716 c02c9c90 c0ba1298 ef3a5838 ef3a5838 ef3a5400 3c80: 000020c0 ee573840 000055cb ef3f2050 c053f0e0 c0319214 22b9b085 22d92813 3ca0: 00001c80 004b8e00 ef3a5400 ee573840 ef3f2064 22d92813 ef3f2064 000055cb 3cc0: ef3f2050 c031a19c ef252000 00000000 00000000 c0561bc0 00000000 ff00ffff 3ce0: c05621c0 ef3a5400 ef3f2064 ee573840 00000020 ef3f2064 000055cb ef3f2050 3d00: c053f0e0 c031cad0 c053e740 00000e60 00000000 00000000 ee573840 ef3a5400 3d20: ef0a6e00 00000000 ef3f2064 c032507c 00010000 00000020 c0561bc0 c0561bc0 3d40: ee599850 c032799c 00000000 ee573840 c055a380 ef3a5400 00000000 ef3f2064 3d60: ef3f2050 c032799c 0101c7c0 2b6755cb c059a280 c030e4d8 000055cb ffffffff 3d80: ee574fc0 c055a380 ee574000 ee573840 00002b67 ee573840 c03fe9c4 c053fa68 3da0: c055a380 00001f6f 00000000 ee573840 c053f0e0 c0304fdc ef0a6e01 ef3f2050 3dc0: ee573858 ef031000 ee573840 c03055d8 c0ba0c40 ef000f40 00100100 c053f0dc 3de0: c053ffdc c053f0f0 00000008 00000000 ef031000 c02da948 00001140 00000000 3e00: c0563c78 ef253e5f 00000020 ee573840 00000020 c053f0f0 ef313400 ee573840 3e20: c053f0e0 00000000 00000000 c05380c0 ef313400 00001000 00000015 c02df280 3e40: ee574000 ef001e00 00000000 00001080 00000042 005cd980 ef031500 ef031500 3e60: 00000000 c02df824 ef031500 c053e390 c0541084 f00b1e00 c05925e8 c02df864 3e80: 00001f5c ef031440 c053e390 c0278524 00000002 00000000 c0b9eb48 c02df280 3ea0: ee8c7180 00000100 c0542ca8 00000015 00000040 ef031500 ef031500 ef031500 3ec0: c027803c ef252000 00000040 000000ec c05380c0 c0b9eb40 c0b9eb48 c02df940 3ee0: ef060780 ffffa4dd c0564a9c c056343c 002e80a8 00000080 ef031500 00000001 3f00: c053808c ef252000 fffec100 00000003 00000004 002e80a8 0000000c c00258f0 3f20: 002e80a8 c005e704 00000005 00000100 c05634d0 c0538080 c05333e0 00000000 3f40: 0000000a c0565580 c05380c0 ffffa4dc c05434f4 00400100 00000004 c0534cd4 3f60: 00000098 00000000 fffec100 002e80a8 00000004 002e80a8 002a20e0 c0025da8 3f80: c0534cd4 c000f020 fffec10c c053ea60 ef253fb0 c0008530 0000ffe2 b6ef67f4 3fa0: 40000010 ffffffff 00000124 c0012f3c 0000ffe2 002e80f0 0000ffe2 00004000 3fc0: becb6338 becb6334 00000004 00000124 002e80a8 00000004 002e80a8 002a20e0 3fe0: becb6300 becb62f4 002773bb b6ef67f4 40000010 ffffffff 00000000 00000000 [<c03c7c3c>] (skb_panic+0x60/0x64) from [<c02d0ef0>] (skb_put+0x4c/0x50) [<c02d0ef0>] (skb_put+0x4c/0x50) from [<c0318f8c>] (tcp_collapse+0x314/0x3ec) [<c0318f8c>] (tcp_collapse+0x314/0x3ec) from [<c0319214>] (tcp_try_rmem_schedule+0x1b0/0x3c4) [<c0319214>] (tcp_try_rmem_schedule+0x1b0/0x3c4) from [<c031a19c>] (tcp_data_queue+0x480/0xe6c) [<c031a19c>] (tcp_data_queue+0x480/0xe6c) from [<c031cad0>] (tcp_rcv_established+0x180/0x62c) [<c031cad0>] (tcp_rcv_established+0x180/0x62c) from [<c032507c>] (tcp_v4_do_rcv+0x13c/0x31c) [<c032507c>] (tcp_v4_do_rcv+0x13c/0x31c) from [<c032799c>] (tcp_v4_rcv+0x718/0x73c) [<c032799c>] (tcp_v4_rcv+0x718/0x73c) from [<c0304fdc>] (ip_local_deliver+0x98/0x274) [<c0304fdc>] (ip_local_deliver+0x98/0x274) from [<c03055d8>] (ip_rcv+0x420/0x758) [<c03055d8>] (ip_rcv+0x420/0x758) from [<c02da948>] (__netif_receive_skb_core+0x44c/0x5bc) [<c02da948>] (__netif_receive_skb_core+0x44c/0x5bc) from [<c02df280>] (netif_receive_skb+0x48/0xb4) [<c02df280>] (netif_receive_skb+0x48/0xb4) from [<c02df824>] (napi_gro_flush+0x70/0x94) [<c02df824>] (napi_gro_flush+0x70/0x94) from [<c02df864>] (napi_complete+0x1c/0x34) [<c02df864>] (napi_complete+0x1c/0x34) from [<c0278524>] (stmmac_poll+0x4e8/0x5c8) [<c0278524>] (stmmac_poll+0x4e8/0x5c8) from [<c02df940>] (net_rx_action+0xc4/0x1e4) [<c02df940>] (net_rx_action+0xc4/0x1e4) from [<c00258f0>] (__do_softirq+0x12c/0x2e8) [<c00258f0>] (__do_softirq+0x12c/0x2e8) from [<c0025da8>] (irq_exit+0x78/0xac) [<c0025da8>] (irq_exit+0x78/0xac) from [<c000f020>] (handle_IRQ+0x44/0x90) [<c000f020>] (handle_IRQ+0x44/0x90) from [<c0008530>] (gic_handle_irq+0x2c/0x5c) [<c0008530>] (gic_handle_irq+0x2c/0x5c) from [<c0012f3c>] (__irq_usr+0x3c/0x60) 3) The driver was setting the dma buffer size after allocating dma buffers, which caused a system panic when changing the MTU. BUG: Bad page state in process ifconfig pfn:2e850 page:c0b72a00 count:0 mapcount:0 mapping: (null) index:0x0 page flags: 0x200(arch_1) Modules linked in: CPU: 0 PID: 566 Comm: ifconfig Not tainted 3.13.0-rc6-01523-gf7111b9 #29 [<c001547c>] (unwind_backtrace+0x0/0xf8) from [<c00122dc>] (show_stack+0x10/0x14) [<c00122dc>] (show_stack+0x10/0x14) from [<c03c793c>] (dump_stack+0x70/0x88) [<c03c793c>] (dump_stack+0x70/0x88) from [<c00b2620>] (bad_page+0xc8/0x118) [<c00b2620>] (bad_page+0xc8/0x118) from [<c00b302c>] (get_page_from_freelist+0x744/0x870) [<c00b302c>] (get_page_from_freelist+0x744/0x870) from [<c00b40f4>] (__alloc_pages_nodemask+0x118/0x86c) [<c00b40f4>] (__alloc_pages_nodemask+0x118/0x86c) from [<c00b4858>] (__get_free_pages+0x10/0x54) [<c00b4858>] (__get_free_pages+0x10/0x54) from [<c00cba1c>] (kmalloc_order_trace+0x24/0xa0) [<c00cba1c>] (kmalloc_order_trace+0x24/0xa0) from [<c02d199c>] (__kmalloc_reserve.isra.21+0x24/0x70) [<c02d199c>] (__kmalloc_reserve.isra.21+0x24/0x70) from [<c02d240c>] (__alloc_skb+0x68/0x13c) [<c02d240c>] (__alloc_skb+0x68/0x13c) from [<c02d3930>] (__netdev_alloc_skb+0x3c/0xe8) [<c02d3930>] (__netdev_alloc_skb+0x3c/0xe8) from [<c0279378>] (stmmac_open+0x63c/0x1024) [<c0279378>] (stmmac_open+0x63c/0x1024) from [<c02e18cc>] (__dev_open+0xa0/0xfc) [<c02e18cc>] (__dev_open+0xa0/0xfc) from [<c02e1b40>] (__dev_change_flags+0x94/0x158) [<c02e1b40>] (__dev_change_flags+0x94/0x158) from [<c02e1c24>] (dev_change_flags+0x18/0x48) [<c02e1c24>] (dev_change_flags+0x18/0x48) from [<c0337bc0>] (devinet_ioctl+0x638/0x700) [<c0337bc0>] (devinet_ioctl+0x638/0x700) from [<c02c7aec>] (sock_ioctl+0x64/0x290) [<c02c7aec>] (sock_ioctl+0x64/0x290) from [<c0100890>] (do_vfs_ioctl+0x78/0x5b8) [<c0100890>] (do_vfs_ioctl+0x78/0x5b8) from [<c0100e0c>] (SyS_ioctl+0x3c/0x5c) [<c0100e0c>] (SyS_ioctl+0x3c/0x5c) from [<c000e760>] The fixes have been verified using reproducible, automated testing. Signed-off-by: Vince Bridgers <vbridgers2013@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv6: protect protocols not handling ipv4 from v4 connection/bind attemptsHannes Frederic Sowa2014-01-221-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | Some ipv6 protocols cannot handle ipv4 addresses, so we must not allow connecting and binding to them. sendmsg logic does already check msg->name for this but must trust already connected sockets which could be set up for connection to ipv4 address family. Per-socket flag ipv6only is of no use here, as it is under users control by setsockopt. Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net_sched: act: export tcf_hash_search() instead of tcf_hash_lookup()WANG Cong2014-01-211-1/+1
| | | | | | | | | | | | | | | | | | | | So that we will not expose struct tcf_common to modules. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net_sched: act: fetch hinfo from a->ops->hinfoWANG Cong2014-01-211-2/+2
| | | | | | | | | | | | | | | | | | | | | | Every action ops has a pointer to hash info, so we don't need to hard-code it in each module. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: stmmac: Use driver data and callbacks tied with compatible stringsChen-Yu Tsai2014-01-201-0/+18
| | | | | | | | | | | | | | | | | | | | The stmmac driver core allows passing feature flags and callbacks via platform data. Add a similar stmmac_of_data to pass flags and callbacks tied to compatible strings. This allows us to extend stmmac with glue layers for different SoCs. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: stmmac: Allocate and pass soc/board specific data to callbacksChen-Yu Tsai2014-01-201-2/+4
| | | | | | | | | | | | | | | | | | | | | | The current .init and .exit callbacks requires access to driver private data structures. This is not a good seperation and abstraction. Instead, we add a new .setup callback for allocating private data, and pass the returned pointer to the other callbacks. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net_sched: act: remove capab from struct tc_action_opsWANG Cong2014-01-201-2/+0
| | | | | | | | | | | | | | | | | | It is not actually implemented. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sctp: fix missing SCTP mailing list address updateJean Sacren2014-01-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The commit 91705c61b5202 ("net: sctp: trivial: update mailing list address") updated almost all the SCTP mailing list address from "lksctp-developers@lists.sourceforge.net" to "linux-sctp@vger.kernel.org" except for the one in include/linux/sctp.h file. Fix this way trivial one so that all is updated. Signed-off-by: Jean Sacren <sakiwit@gmail.com> Cc: Daniel Borkmann <dborkman@redhat.com> Acked-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv6: make IPV6_RECVPKTINFO work for ipv4 datagramsHannes Frederic Sowa2014-01-204-4/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We currently don't report IPV6_RECVPKTINFO in cmsg access ancillary data for IPv4 datagrams on IPv6 sockets. This patch splits the ip6_datagram_recv_ctl into two functions, one which handles both protocol families, AF_INET and AF_INET6, while the ip6_datagram_recv_specific_ctl only handles IPv6 cmsg data. ip6_datagram_recv_*_ctl never reported back any errors, so we can make them return void. Also provide a helper for protocols which don't offer dual personality to further use ip6_datagram_recv_ctl, which is exported to modules. I needed to shuffle the code for ping around a bit to make it easier to implement dual personality for ping ipv6 sockets in future. Reported-by: Gert Doering <gert@space.net> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv6: add flowlabel_consistency sysctlFlorent Fourcot2014-01-201-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With the introduction of IPV6_FL_F_REFLECT, there is no guarantee of flow label unicity. This patch introduces a new sysctl to protect the old behaviour, enable by default. Changelog of V3: * rename ip6_flowlabel_consistency to flowlabel_consistency * use net_info_ratelimited() * checkpatch cleanups Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv6: add a flag to get the flow label used remotlyFlorent Fourcot2014-01-202-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | This information is already available via IPV6_FLOWINFO of IPV6_2292PKTOPTIONS, and them a filtering to get the flow label information. But it is probably logical and easier for users to add this here, and to control both sent/received flow label values with the IPV6_FLOWLABEL_MGR option. Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv6: add the IPV6_FL_F_REFLECT flag to IPV6_FL_A_GETFlorent Fourcot2014-01-202-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With this option, the socket will reply with the flow label value read on received packets. The goal is to have a connection with the same flow label in both direction of the communication. Changelog of V4: * Do not erase the flow label on the listening socket. Use pktopts to store the received value Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: introduce SO_BPF_EXTENSIONSMichal Sekletar2014-01-192-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For user space packet capturing libraries such as libpcap, there's currently only one way to check which BPF extensions are supported by the kernel, that is, commit aa1113d9f85d ("net: filter: return -EINVAL if BPF_S_ANC* operation is not supported"). For querying all extensions at once this might be rather inconvenient. Therefore, this patch introduces a new option which can be used as an argument for getsockopt(), and allows one to obtain information about which BPF extensions are supported by the current kernel. As David Miller suggests, we do not need to define any bits right now and status quo can just return 0 in order to state that this versions supports SKF_AD_PROTOCOL up to SKF_AD_PAY_OFFSET. Later additions to BPF extensions need to add their bits to the bpf_tell_extensions() function, as documented in the comment. Signed-off-by: Michal Sekletar <msekleta@redhat.com> Cc: David Miller <davem@davemloft.net> Reviewed-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2014-01-184-10/+22
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c net/ipv4/tcp_metrics.c Overlapping changes between the "don't create two tcp metrics objects with the same key" race fix in net and the addition of the destination address in the lookup key in net-next. Minor overlapping changes in bnx2x driver. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | bonding: add netlink attributes to slave link devsfeldma@cumulusnetworks.com2014-01-182-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If link is IFF_SLAVE, extend link dev netlink attributes to include slave attributes with new IFLA_SLAVE nest. Add netlink notification (RTM_NEWLINK) when slave status changes from backup to active, or visa-versa. Adds new ndo_get_slave op to net_device_ops to fill skb with IFLA_SLAVE attributes. Currently only used by bonding driver, but could be used by other aggregating devices with slaves. Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | ipv4: fix a dst leak in tunnelsEric Dumazet2014-01-181-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch : 1) Remove a dst leak if DST_NOCACHE was set on dst Fix this by holding a reference only if dst really cached. 2) Remove a lockdep warning in __tunnel_dst_set() This was reported by Cong Wang. 3) Remove usage of a spinlock where xchg() is enough 4) Remove some spurious inline keywords. Let compiler decide for us. Fixes: 7d442fab0a67 ("ipv4: Cache dst in tunnels") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Cong Wang <cwang@twopensource.com> Cc: Tom Herbert <therbert@google.com> Cc: Maciej Żenczykowski <maze@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | ipv6: tcp: fix flowlabel value in ACK messages send from TIME_WAITFlorent Fourcot2014-01-181-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is following the commit b903d324bee262 (ipv6: tcp: fix TCLASS value in ACK messages sent from TIME_WAIT). For the same reason than tclass, we have to store the flow label in the inet_timewait_sock to provide consistency of flow label on the last ACK. Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | Merge branch 'master' of ↵John W. Linville2014-01-176-3/+31
| |\ \ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
| | * | cfg80211: make regulatory_hint() remove REGULATORY_CUSTOM_REGLuis R. Rodriguez2014-01-131-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The REGULATORY_CUSTOM_REG can be used during early init with the goal of overriding the wiphy's default regulatory settings in case the alpha2 of the device is not known. In the case that the alpha2 becomes known lets avoid having drivers having to clear the REGULATORY_CUSTOM_REG flag by doing it for them when regulatory_hint() is used. Cc: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | * | Merge branch 'for-john' of ↵John W. Linville2014-01-133-3/+15
| | |\ \ | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
| | | * | ieee80211: add definition for SMS4 key lenAvinash Patil2014-01-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add SMS4 key length definition to ieee80211_key_len enum. It's used by WAPI. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * | mac80211: handle MMPDUs at EOSP correctlyJohannes Berg2014-01-101-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a uAPSD service period ends with an MMPDU, we currently just send that MMPDU, but it obviously won't get the EOSP bit set as it doesn't have a QoS header. This contradicts the standard, so add a QoS-nulldata frame after the MMPDU to properly terminate the service period with a frame that has EOSP set. Also fix a bug wrt. the TID for the MMPDU, it shouldn't be set to 0 unconditionally but use the actual TID that was assigned. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * | ieee80211: add definition for TDLS wide band extended capabilityAvinash Patil2014-01-101-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Seventh bit of 8th byte of extended capabilities specifies wide bandwidth support for TDLS links. Add this definition to ieee80211. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * | cfg80211: Add a function to get the number of supported channelsIlan Peer2014-01-091-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a utility function to get the number of channels supported by the device, and update the places in the code that need this data. Signed-off-by: Ilan Peer <ilan.peer@intel.com> [replace another occurrence in libertas, fix kernel-doc, fix bugs] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | | * | mac80211: remove channel_change_timeJohannes Berg2014-01-071-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This value is no longer used by mac80211, and practically no driver ever set it to a correct value anyway, so remove it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| | * | | Merge tag 'nfc-next-3.14-1' of ↵John W. Linville2014-01-132-0/+12
| | |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next Samuel Ortiz <sameo@linux.intel.com> says: "This is the first NFC pull request for 3.14 It includes: * A new NFC driver for Marvell's 8897, and a few NCI fixes and improvements needed to support this chipset. * An LLCP fix for how we were setting the default MIU on a p2p link. If there is no explicit MIU extension announced at connection time, we must use the default one and not the one announced at LLCP link establishement time. * A pn544 EEPROM config update. Some of the currently EEPROM configured values are overwriting the firmware ones while other should not be set by the driver itself. * Some NFC digital stack fixes and improvements. Asynchronous functions are better documented, RF technologies and CRC functions are set upon PSL_REQ reception, and a few minor bugs are fixed. * Minor and miscelaneous pn533, mei_phy and port100 fixes." Signed-off-by: John W. Linville <linville@tuxdriver.com>
| | | * | | NFC: NCI: Add set_config APIAmitkumar Karwar2014-01-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This API can be used by drivers to send their custom configuration using SET_CONFIG NCI command to the device. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| | | * | | NFC: NCI: Add setup handlerAmitkumar Karwar2014-01-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some drivers require special configuration while initializing. This patch adds setup handler for this custom configuration. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>