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2014-03-14vti6: Remove caching of flow informations.Steffen Klassert1-31/+0
Unlike ip6_tunnel, vti6 does not use the the tunnel endpoint addresses to do route and xfrm lookups. So no need to cache the flow informations. It also does not make sense to calculate the mtu based on such flow informations, so remove this too. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2014-03-14vti6: Remove dst_entry cachingSteffen Klassert1-24/+18
Unlike ip6_tunnel, vti6 can lookup multiple different dst entries, dependent of the configured xfrm states. Therefore it does not make sense to cache a dst_entry. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2014-03-14ipcomp6: Use the IPsec protocol multiplexer APISteffen Klassert1-7/+15
Switch ipcomp6 to use the new IPsec protocol multiplexer. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2014-03-14ah6: Use the IPsec protocol multiplexer APISteffen Klassert1-8/+16
Switch ah6 to use the new IPsec protocol multiplexer. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2014-03-14esp6: Use the IPsec protocol multiplexer APISteffen Klassert1-9/+17
Switch esp6 to use the new IPsec protocol multiplexer. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2014-03-14xfrm6: Add IPsec protocol multiplexerSteffen Klassert4-1/+293
This patch adds an IPsec protocol multiplexer for ipv6. With this it is possible to add alternative protocol handlers, as needed for IPsec virtual tunnel interfaces. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2014-03-14xfrm: Introduce xfrm_input_afinfo to access the the callbacks properlySteffen Klassert4-13/+99
IPv6 can be build as a module, so we need mechanism to access the address family dependent callback functions properly. Therefore we introduce xfrm_input_afinfo, similar to that what we have for the address family dependent part of policies and states. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2014-03-07xfrm: rename struct xfrm_filterNicolas Dichtel5-11/+11
iproute2 already defines a structure with that name, let's use another one to avoid any conflict. CC: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2014-03-04be2net: dma_sync each RX frag before passing it to the stackSathya Perla2-11/+24
The driver currently maps a page for DMA, divides the page into multiple frags and posts them to the HW. It un-maps the page after data is received on all the frags of the page. This scheme doesn't work when bounce buffers are used for DMA (swiotlb=force kernel param). This patch fixes this problem by calling dma_sync_single_for_cpu() for each frag (excepting the last one) so that the data is copied from the bounce buffers. The page is un-mapped only when DMA finishes on the last frag of the page. (Thanks Ben H. for suggesting the dma_sync API!) This patch also renames the "last_page_user" field of be_rx_page_info{} struct to "last_frag" to improve readability of the fixed code. Reported-by: Li Fengmao <li.fengmao@zte.com.cn> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-04cfg80211: add MPLS and 802.21 classificationSimon Wunderlich1-0/+16
MPLS labels may contain traffic control information, which should be evaluated and used by the wireless subsystem if present. Also check for IEEE 802.21 which is always network control traffic. Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-04UAPI: add MPLS label stack definitionSimon Wunderlich2-0/+40
Labels for the Multiprotocol Label Switching are defined in RFC 3032 which was superseded by RFC 5462. Add the definition to UAPI and a stub header for include/linux. Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-04if_ether.h: add IEEE 802.21 EthertypeSimon Wunderlich1-0/+1
Add the Ethertype for IEEE Std 802.21 - Media Independent Handover Protocol. This Ethertype is used for network control messages. Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-03tcp: snmp stats for Fast Open, SYN rtx, and data pktsYuchung Cheng7-4/+24
Add the following snmp stats: TCPFastOpenActiveFail: Fast Open attempts (SYN/data) failed beacuse the remote does not accept it or the attempts timed out. TCPSynRetrans: number of SYN and SYN/ACK retransmits to break down retransmissions into SYN, fast-retransmits, timeout retransmits, etc. TCPOrigDataSent: number of outgoing packets with original data (excluding retransmission but including data-in-SYN). This counter is different from TcpOutSegs because TcpOutSegs also tracks pure ACKs. TCPOrigDataSent is more useful to track the TCP retransmission rate. Change TCPFastOpenActive to track only successful Fast Opens to be symmetric to TCPFastOpenPassive. Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Nandita Dukkipati <nanditad@google.com> Signed-off-by: Lawrence Brakmo <brakmo@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-03sch_tbf: Remove holes in struct tbf_sched_data.Hiroaki SHIMODA1-11/+12
On x86_64 we have 3 holes in struct tbf_sched_data. The member peak_present can be replaced with peak.rate_bytes_ps, because peak.rate_bytes_ps is set only when peak is specified in tbf_change(). tbf_peak_present() is introduced to test peak.rate_bytes_ps. The member max_size is moved to fill 32bit hole. Signed-off-by: Hiroaki SHIMODA <shimoda.hiroaki@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-03ieee802154: fix at86rf212_set_txpower() exit pathJean Sacren1-6/+1
The commit 9b2777d6089bc ("ieee802154: add TX power control to wpan_phy") introduced the new function at86rf212_set_txpower() with the questionable check of the return of __at86rf230_write() in the exit path: 1) Both at86rf212_set_txpower() and __at86rf230_write() have the same return type. 2) Whatever __at86rf230_write() returns becomes the return value of at86rf212_set_txpower(). Thus, fix the exit path by getting rid of that check entirely. Signed-off-by: Jean Sacren <sakiwit@gmail.com> Cc: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-03connector: remove duplicated code in cn_call_callback()Alexey Khoroshilov1-1/+0
There were a couple of patches fixing the same bug that results in duplicated err = 0; assignment. The patch removes one of them. Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02net/mlx4_en: Change Connect-X description in kconfigEyal Perry1-1/+1
The mlx4_en driver support also 1Gbit and 40Gbit Ethernet devices, changed the driver description in the menuconfig to reflect that. Signed-off-by: Eyal Perry <eyalpe@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02net/mlx4_en: Use union for BlueFlame WQEAmir Vadai2-4/+10
When BlueFlame is turned on, control segment of the TX WQE is changed, and the second line of it is used for QPN. Changed code to use a union in the mlx4_wqe_ctrl_seg instead of casting. This makes the code clearer and solves the static checker warning: drivers/net/ethernet/mellanox/mlx4/en_tx.c:839 mlx4_en_xmit() warn: potential memory corrupting cast 4 vs 2 bytes CC: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02net/mlx4_core: Fix sparse warningEyal Perry1-1/+2
This patch force conversion to u32 to fix the following sparse warning: drivers/net/ethernet/mellanox/mlx4/fw.c:1822:53: warning: restricted __be32 degrades to integer Casting to u32 is safe here, because token will be returned as is from the hardware without any modification. Signed-off-by: Eyal Perry <eyalpe@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02net/mlx4_en: Fix selftest failing on non 10G link speedAmir Vadai1-2/+4
Connect-X devices selftest speed test shouldn't fail on 1G and 40G link speeds. Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02net/mlx4: Replace mlx4_en_mac_to_u64() with mlx4_mac_to_u64()Eugenia Emantayev3-23/+22
Currently, the EN driver uses a private static function mlx4_en_mac_to_u64(). Move it to a common include file (driver.h) for mlx4_en and mlx4_ib for further use. 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>
2014-03-02net/mlx4_en: Move queue stopped/waked counters to be per ringEugenia Emantayev3-3/+11
Give accurate counters and avoids cache misses when several rings update the counters of stop/wake queue. 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>
2014-03-02net/mlx4_en: Pad ethernet packets smaller than 17 bytesEugenia Emantayev1-1/+7
Hardware can't accept packets smaller than 17 bytes. Therefore need to pad with zeros. Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02net/mlx4_en: Verify mlx4_en module parametersEugenia Emantayev3-16/+44
Verify mlx4_en module parameters. In case they are out of range - reset to default values. 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>
2014-03-02net/mlx4_en: Fix UP limit in ieee_ets->prio_tcAmir Vadai1-1/+1
User priority limit has to be less than MLX4_EN_NUM_UP. Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-026lowpan: use memcpy to set tag value in fraghdrAlexander Aring1-2/+1
Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-026lowpan: remove initialization of tag valueAlexander Aring1-1/+0
The initialization of the tag value doesn't matter at begin of fragmentation. This patch removes the initialization to zero. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-026lowpan: fix type of datagram size parameterAlexander Aring1-1/+1
Datagram size value is u16 because we convert it to host byte order and we need to read it. Only the tag value belongs to __be16 type. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02ixgbe: implement SIOCGHWTSTAMP ioctlJacob Keller3-8/+24
This patch adds support for the new SIOCGHWTSTAMP ioctl, which enables a process to determine the current timestamp configuration. In order to implement this, store a copy of the timestamp configuration. In addition, we can remove the 'int cmd' parameter as the new set_ts_config function doesn't use it. I also fixed a typo in the function description. -v2 * Only save the settings after validating them Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02ixgbe: Check config reads for removalMark Rustad4-15/+75
Configuration space reads should also be checked for removal. So add some checks related to config space accesses. v2: * Fixed indent Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02ixgbe: Fix up some ethtool results when adapter is removedMark Rustad1-1/+8
Some ethtool tests returned apparently good results when the adapter was in a removed state. Fix that by checking for removal. This also fixes two paths that could return uninitialized memory in data[4]. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02ixgbe: Restore hw_addr in LER recovery pathsMark Rustad1-2/+4
The hw_addr needs to be restored in the pcie recovery path or else the device will be perpetually removed. Also restore the value in the resume path. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-02bonding: send arp requests even if there's no route to themVeaceslav Falico1-2/+7
Currently we're only sending arp requests if we have a route to the target (and, thus, can find out the source ip address). There are some use cases, however, where we don't want/need to set an ip address (or set up a specific route) for bonding to use arp monitoring *for traffic generation*. We can easily send arp probes (arp requests with src ip == 0) to generate arp broadcast responses from the target ip and use them for determining if the target is up. This, obviously, won't work with arp validation - because we don't have the ip address set and, thus, will filter out the responses. So in that case - print a warning. CC: François CACHEREUL <f.cachereul@alphalink.fr> CC: Zhenjie Chen <zhchen@redhat.com> CC: Jay Vosburgh <fubar@us.ibm.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-286lowpan: handling 6lowpan fragmentation via inet_frag apiAlexander Aring5-208/+689
This patch drops the current way of 6lowpan fragmentation on receiving side and replace it with a implementation which use the inet_frag api. The old fragmentation handling has some race conditions and isn't rfc4944 compatible. Also adding support to match fragments on destination address, source address, tag value and datagram_size which is missing in the current implementation. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28net: ns: add ieee802154_6lowpan namespaceAlexander Aring2-0/+17
This patch adds necessary ieee802154 6lowpan namespace to provide the inet_frag information. This is a initial support for handling 6lowpan fragmentation with the inet_frag api. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-286lowpan: fix some checkpatch issuesAlexander Aring1-18/+9
Detected with: ./scripts/checkpatch.pl --strict -f net/ieee802154/6lowpan_rtnl.c Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-286lowpan: move 6lowpan.c to 6lowpan_rtnl.cAlexander Aring2-0/+1
We have a 6lowpan.c file and 6lowpan.ko file. To avoid confusing we should move 6lowpan.c to 6lowpan_rtnl.c. Then we can support multiple source files for 6lowpan module. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-286lowpan: change tag type to __be16Alexander Aring1-2/+3
Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-286lowpan: fix fragmentation on sending sideAlexander Aring1-10/+27
This patch fix the fragmentation on sending side according to rfc4944. Also add improvement to use the full payload of a PDU which calculate the nearest divided to 8 payload length for the fragmentation datagram size attribute. The main issue is that the datagram size of fragmentation header use the ipv6 payload length, but rfc4944 says it's the ipv6 payload length inclusive network header size (and transport header size if compressed). Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-286lowpan: add uncompress header size functionAlexander Aring1-0/+113
This patch add a lookup function for uncompressed 6LoWPAN header size. This is needed to estimate the real size after uncompress the 6LoWPAN header. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-286lowpan: add frag information structAlexander Aring1-0/+7
This patch adds a 6lowpan fragmentation struct into cb of skb which is necessary to hold fragmentation information. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28net: w5100: Use devm_ioremap_resource()Jingoo Han1-5/+4
Use devm_ioremap_resource() in order to make the code simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28net: w5300: Use devm_ioremap_resource()Jingoo Han1-5/+4
Use devm_ioremap_resource() in order to make the code simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28packet: allow to transmit +4 byte in TX_RING slot for VLAN caseDaniel Borkmann1-3/+13
Commit 57f89bfa2140 ("network: Allow af_packet to transmit +4 bytes for VLAN packets.") added the possibility for non-mmaped frames to send extra 4 byte for VLAN header so the MTU increases from 1500 to 1504 byte, for example. Commit cbd89acb9eb2 ("af_packet: fix for sending VLAN frames via packet_mmap") attempted to fix that for the mmap part but was reverted as it caused regressions while using eth_type_trans() on output path. Lets just act analogous to 57f89bfa2140 and add a similar logic to TX_RING. We presume size_max as overcharged with +4 bytes and later on after skb has been built by tpacket_fill_skb() check for ETH_P_8021Q header on packets larger than normal MTU. Can be easily reproduced with a slightly modified trafgen in mmap(2) mode, test cases: { fill(0xff, 12) const16(0x8100) fill(0xff, <1504|1505>) } { fill(0xff, 12) const16(0x0806) fill(0xff, <1500|1501>) } Note that we need to do the test right after tpacket_fill_skb() as sockets can have PACKET_LOSS set where we would not fail but instead just continue to traverse the ring. Reported-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Cc: Ben Greear <greearb@candelatech.com> Cc: Phil Sutter <phil@nwl.cc> Tested-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28ixgbevf: add check for CHECKSUM_PARTIAL when doing TSOEmil Tantilov1-0/+3
This patch adds check for CHECKSUM_PARTIAL to avoid the skb_is_gso check in ixgbevf_tso(). It should reduce overhead for workloads that are not using TSO or checksum offloads. It is the same as in ixgbe. Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28ixgbevf: fix handling of tx checksummingEmil Tantilov1-1/+1
This patch resolves an issue introduced by: commit 7ad1a093519e37fb673579819bf6af122641c397 ixgbevf: make the first tx_buffer a repository for most of the skb info Incorrect check for the result of ixgbevf_tso() can lead to calling ixgbevf_tx_csum() which can spawn 2 context descriptors and result in performance degradation and/or corrupted packets. Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28ixgbe: Add check for FW veto bitDon Skidmore4-4/+63
The driver will now honor the MNG FW veto bit in blocking link resets. This patch will affect x520 and x540 systems. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28ixgbe: fix bit toggled for 82599 reset fix.Don Skidmore1-1/+2
The current code doesn't toggle the correct bit to reset the data pipeline on Restart_AN assertion. This patch corrects that. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28ixgbe: collect all 82599 AUTOC code in one functionDon Skidmore7-141/+161
When reading or writing to the AUTOC register on 82599 devices we need to preform various operations that aren't needed for other MAC types. This patch will collect all of that code into one place to minimize MAC checks in common code paths. While doing this I also clean up some cases where we weren't holding the SW/FW semaphore during a read/modify/write of AUTOC. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-28ixgbe: fix to use correct timeout interval for memory read completionDon Skidmore2-3/+64
Currently we were just always polling for a hard coded 80 ms and not respecting the system-wide timeout interval. Since up until now all devices have been tested with this 80ms value we continue to use this value as a hard minimum. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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