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2013-08-29qlcnic: underflow in qlcnic_validate_max_tx_rings()Dan Carpenter2-2/+2
This function checks the upper bound but it doesn't check for negative numbers: if (txq > QLCNIC_MAX_TX_RINGS) { I've solved this by making "txq" a u32 type. I chose that because ->tx_count in the ethtool_channels struct is a __u32. This bug was added in aa4a1f7df7 ('qlcnic: Enable Tx queue changes using ethtool for 82xx Series adapter.'). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-29xen-netback: rename functionsWei Liu3-133/+134
As we move to 1:1 model and melt xen_netbk and xenvif together, it would be better to use single prefix for all functions in xen-netback. Signed-off-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-29xen-netback: switch to NAPI + kthread 1:1 modelWei Liu3-507/+351
This patch implements 1:1 model netback. NAPI and kthread are utilized to do the weight-lifting job: - NAPI is used for guest side TX (host side RX) - kthread is used for guest side RX (host side TX) Xenvif and xen_netbk are made into one structure to reduce code size. This model provides better scheduling fairness among vifs. It is also prerequisite for implementing multiqueue for Xen netback. Signed-off-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-29xen-netback: remove page tracking facilityWei Liu1-75/+2
The data flow from DomU to DomU on the same host in current copying scheme with tracking facility: copy DomU --------> Dom0 DomU | ^ |____________________________| copy The page in Dom0 is a page with valid MFN. So we can always copy from page Dom0, thus removing the need for a tracking facility. copy copy DomU --------> Dom0 -------> DomU Simple iperf test shows no performance regression (obviously we copy twice either way): W/ tracking: ~5.3Gb/s W/o tracking: ~5.4Gb/s Signed-off-by: Wei Liu <wei.liu2@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Matt Wilson <msw@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-28batman-adv: send GW_DEL event when the gw client mode is deselectedAntonio Quartulli3-0/+32
Whenever the GW client mode is deselected, a DEL event has to be sent in order to tell userspace that the current gateway has been lost. Send the uevent on state change only if a gateway was currently selected. Reported-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2013-08-28batman-adv: Start new development cycleSimon Wunderlich1-1/+1
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-08-28batman-adv: move enum definition at the top of the fileAntonio Quartulli1-15/+16
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-08-28batman-adv: set skb priority according to contentSimon Wunderlich10-2/+91
The skb priority field may help the wireless driver to choose the right queue (e.g. WMM queues). This should be set in batman-adv, as this information is only available here. This patch adds support for IPv4/IPv6 DS fields and VLAN PCP. Note that only VLAN PCP is used if a VLAN header is present. Also initially set TC_PRIO_CONTROL only for self-generated packets, and keep the priority set by higher layers. Signed-off-by: Simon Wunderlich <simon@open-mesh.com> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-08-28netfilter: ctnetlink: fix uninitialized variableFlorian Westphal1-1/+1
net/netfilter/nf_conntrack_netlink.c: In function 'ctnetlink_nfqueue_attach_expect': 'helper' may be used uninitialized in this function It was only initialized in if CTA_EXPECT_HELP_NAME attribute was present, it must be NULL otherwise. Problem added recently in bd077937 (netfilter: nfnetlink_queue: allow to attach expectations to conntracks). Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-08-28netfilter: add IPv6 SYNPROXY targetPatrick McHardy3-0/+509
Add an IPv6 version of the SYNPROXY target. The main differences to the IPv4 version is routing and IP header construction. Signed-off-by: Patrick McHardy <kaber@trash.net> Tested-by: Martin Topholm <mph@one.com> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-08-28net: syncookies: export cookie_v6_init_sequence/cookie_v6_checkPatrick McHardy2-9/+20
Extract the local TCP stack independant parts of tcp_v6_init_sequence() and cookie_v6_check() and export them for use by the upcoming IPv6 SYNPROXY target. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: David S. Miller <davem@davemloft.net> Tested-by: Martin Topholm <mph@one.com> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-08-28netfilter: add SYNPROXY core/targetPatrick McHardy13-1/+1066
Add a SYNPROXY for netfilter. The code is split into two parts, the synproxy core with common functions and an address family specific target. The SYNPROXY receives the connection request from the client, responds with a SYN/ACK containing a SYN cookie and announcing a zero window and checks whether the final ACK from the client contains a valid cookie. It then establishes a connection to the original destination and, if successful, sends a window update to the client with the window size announced by the server. Support for timestamps, SACK, window scaling and MSS options can be statically configured as target parameters if the features of the server are known. If timestamps are used, the timestamp value sent back to the client in the SYN/ACK will be different from the real timestamp of the server. In order to now break PAWS, the timestamps are translated in the direction server->client. Signed-off-by: Patrick McHardy <kaber@trash.net> Tested-by: Martin Topholm <mph@one.com> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-08-28net: syncookies: export cookie_v4_init_sequence/cookie_v4_checkPatrick McHardy2-11/+22
Extract the local TCP stack independant parts of tcp_v4_init_sequence() and cookie_v4_check() and export them for use by the upcoming SYNPROXY target. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: David S. Miller <davem@davemloft.net> Tested-by: Martin Topholm <mph@one.com> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-08-28netfilter: nf_conntrack: make sequence number adjustments usuable without NATPatrick McHardy18-376/+369
Split out sequence number adjustments from NAT and move them to the conntrack core to make them usable for SYN proxying. The sequence number adjustment information is moved to a seperate extend. The extend is added to new conntracks when a NAT mapping is set up for a connection using a helper. As a side effect, this saves 24 bytes per connection with NAT in the common case that a connection does not have a helper assigned. Signed-off-by: Patrick McHardy <kaber@trash.net> Tested-by: Martin Topholm <mph@one.com> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-08-28netfilter: nf_defrag_ipv6.o included twiceNathan Hintz1-1/+1
'nf_defrag_ipv6' is built as a separate module; it shouldn't be included in the 'nf_conntrack_ipv6' module as well. Signed-off-by: Nathan Hintz <nlhintz@hotmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-08-28netfilter: ip[6]t_REJECT: tcp-reset using wrong MAC source if bridgedPhil Oester2-2/+39
As reported by Casper Gripenberg, in a bridged setup, using ip[6]t_REJECT with the tcp-reset option sends out reset packets with the src MAC address of the local bridge interface, instead of the MAC address of the intended destination. This causes some routers/firewalls to drop the reset packet as it appears to be spoofed. Fix this by bypassing ip[6]_local_out and setting the MAC of the sender in the tcp reset packet. This closes netfilter bugzilla #531. Signed-off-by: Phil Oester <kernel@linuxace.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-08-27sfc: Use extended MC_CMD_SENSOR_INFO and MC_CMD_READ_SENSORSBen Hutchings1-44/+95
We need to use extended requests to read and get metadata for sensors numbered > 31. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Return an error code when a sensor is busy.Alexandre Rames1-1/+6
[bwh: Also name this new state, though we don't expect to see it in an event] Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Add support for reading packet length from prefixBen Hutchings2-2/+14
Define a flag for struct efx_rx_buffer and efx_rx_packet() that indicates packet length must be read from the prefix. If this is set, read the length in __efx_rx_packet() (when the prefix should have arrived in cache). Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Add TX merged completion counterBen Hutchings3-0/+6
Add a counter for TX merged completion events. This is implemented in the common TX path, because the NIC event handlers only know how many descriptors were completed, not how many packets. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Generalise packet hash lookup to support EF10 RX prefixJon Cooper6-13/+28
EF10 uses an entirely different RX prefix format from Falcon-arch. Extend struct efx_nic_type to describe this. [bwh: Also replace the magic numbers used for the Falcon-arch RX prefix] Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Rename EFX_PAGE_BLOCK_SIZE to EFX_VI_PAGE_SIZE and adjust commentsBen Hutchings1-4/+4
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Remove early call to efx_nic_type::reconfigure_mac in efx_reset_up()Ben Hutchings1-2/+0
efx_reset_up() calls efx_nic_type::reconfigure_mac once directly, then again through efx_start_all() -> efx_start_port() -> efx->type->reconfigure_mac(). This first call is also made too early to work properly on EF10. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: use MCDI epoch flag to improve MC reboot detection in the driverDaniel Pieczko2-6/+15
The Huntington MC will reject all MCDI requests after an MC reboot until it sees one with the NOT_EPOCH flag clear. This flag is set by default for all requests, and then cleared on the first request after we detect that an MC reboot has occurred. The old MCDI_STATUS_DELAY_COUNT gave a timeout of 10ms, which was not long enough for the driver to detect that a reboot had occurred based on the warm boot count while calling efx_mcdi_poll_reboot() from the loop in efx_mcdi_ev_death(). Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Add EF10 support for TX/RX DMA error events handling.Alexandre Rames5-11/+15
Also, since we handle all DMA errors in the same way, merge RESET_TYPE_(RX|TX)_DESC_FETCH into RESET_TYPE_DMA_ERROR. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Add a function pointer to abstract write of host time into NIC shared memoryLaurence Evans3-2/+16
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: PTP MCDI requests need to initialise periph ID fieldLaurence Evans1-0/+7
This field is ignored by Siena firmware but is significant to EF10 firmware. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Delegate MAC/NIC statistic description to efx_nic_typeBen Hutchings8-389/+498
Various hardware statistics that are available for Siena are unavailable or meaningless for Falcon. Huntington adds further to the NIC-type-specific statistics, as it has different MAC blocks from Falcon/Siena. All NIC types still provide most statistics by DMA, and use little-endian byte order. Therefore: 1. Add some general utility functions for reporting hardware statistics, efx_nic_describe_stats() and efx_nic_update_stats(). 2. Add an efx_nic_type::describe_stats operation to get the number and names of statistics, implemented using efx_nic_describe_stats() 3. Change efx_nic_type::update_stats to store the core statistics (struct rtnl_link_stats64) or full statistics (array of u64) in a caller-provided buffer. Use efx_nic_update_stats() to aid in the implementation. 4. Rename struct efx_ethtool_stat to struct efx_sw_stat_desc and EFX_ETHTOOL_NUM_STATS to EFX_ETHTOOL_SW_STAT_COUNT. 5. Remove efx_nic::mac_stats and struct efx_mac_stats. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Remove driver-local struct ethtool_stringBen Hutchings1-24/+13
It's not really helpful to pretend ethtool string arrays are structured. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Remove more left-overs from Falcon GMAC supportBen Hutchings3-18/+6
We only ever used the XMAC (10G link speed) in production. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27sfc: Move MTD operations into efx_nic_typeBen Hutchings9-831/+807
Merge the per-NIC-type MTD probe selection and struct efx_mtd_ops into struct efx_nic_type. Move the implementations into the appropriate source files. Several NVRAM functions are now only called from MTD operations which are now implemented in the same file (falcon.c or mcdi.c). There is no need for them to be extern, or to be defined at all if CONFIG_SFC_MTD is not enabled, so move them into the #ifdef CONFIG_SFC_MTD sections in those files. Most of the SPI-related definitions are also only used in falcon.c, so move them there. Put the remainder of spi.h into nic.h (which previously included it). Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2013-08-27openvswitch: optimize flow compare and mask functionsAndy Zhou2-39/+44
Make sure the sw_flow_key structure and valid mask boundaries are always machine word aligned. Optimize the flow compare and mask operations using machine word size operations. This patch improves throughput on average by 15% when CPU is the bottleneck of forwarding packets. This patch is inspired by ideas and code from a patch submitted by Peter Klausler titled "replace memcmp() with specialized comparator". However, The original patch only optimizes for architectures support unaligned machine word access. This patch optimizes for all architectures. Signed-off-by: Andy Zhou <azhou@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
2013-08-27e1000e: balance semaphore put/get for 82573Steven La1-0/+5
Steven (cc-ed) noticed an imbalance in semaphore put/get for 82573-based NICs. Don't we need something like the following (untested) patch? Signed-off-by: Steven La <sla@riverbed.com> Acked-by: Arthur Kepner <akepner@riverbed.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27Documentation/networking/: Update Intel wired LAN driver documentationJeff Kirsher8-43/+193
Updates the documentation to the Intel wired LAN drivers. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27bna: firmware update to 3.2.1.1Rasesh Mody1-2/+2
This patch updates the firmware to address the thermal notification issue Signed-off-by: Rasesh Mody <rmody@brocade.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27VMXNET3: Add support for virtual IOMMUAndy King2-83/+138
This patch adds support for virtual IOMMU to the vmxnet3 module. We switch to DMA consistent mappings for anything we pass to the device. There were a few places where we already did this, but using pci_blah(); these have been fixed to use dma_blah(), along with all new occurrences where we've replaced kmalloc() and friends. Also fix two small bugs: 1) use after free of rq->buf_info in vmxnet3_rq_destroy() 2) a cpu_to_le32() that should have been a cpu_to_le64() Acked-by: George Zhang <georgezhang@vmware.com> Acked-by: Aditya Sarwade <asarwade@vmware.com> Signed-off-by: Andy King <acking@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27be2net: implement ethtool set/get_channel hooksSathya Perla3-32/+104
Support is provided only for combined channels. When SR-IOV is not enabled, BE3 supports upto 16 channels and Lancer-R/SH-R support upto 32 channels. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27be2net: refactor be_setup() to consolidate queue creation routinesSathya Perla2-58/+50
1) Move be_cmd_if_create() above queue create routines to allow TXQ creation (that requires if_handle) to be clubbed with TX-CQ creation. 2) Consolidate all queue create routines into be_setup_queues() Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27be2net: Fix be_cmd_if_create() to use MBOX if MCCQ is not createdSathya Perla1-24/+85
Currently the IF_CREATE FW cmd is issued only *after* MCCQ is created as it was coded to only use MCCQ. By fixing this, cmd_if_create() can be called before MCCQ is created and the same routine for VF provisioning can be called after. This allows for consolidating all the queue create routines by moving the be_cmd_if_create() call above all queue create calls in be_setup(). Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27be2net: refactor be_get_resources() codeSathya Perla6-189/+229
1) use be_resources{} struct to query/store HW resource limits 2) The HW queue/resource limits for BE2/BE3 chips are mostly called out in driver as constants. Code to handle this is scattered across various places in be_setup(). Consolidate this code into BEx_get_resources(). For Lancer-R, Skyhawk-R, these limits are queried from FW. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27be2net: Fixup profile management routinesVasundhara Volam2-59/+88
1) Parse PCIe descriptor for max-VFs supported by HW 2) Cleanup NIC descriptor parsing in get_func/profile_config() routines 3) Use common struct definitions for v0 and v1 versions of GET_FUNC_CONFIG Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27be2net: use EQ_CREATEv2 for SH-RSathya Perla4-39/+18
EQ_CREATEv2 explicitly returns the msix-index associated with a EQ. For SH-R this is needed if EQs need to be deleted and re-created without resetting a function. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27net: tcp_probe: allow more advanced ingress filtering by markDaniel Borkmann1-4/+11
Currently, the tcp_probe snooper can either filter packets by a given port (handed to the module via module parameter e.g. port=80) or lets all TCP traffic pass (port=0, default). When a port is specified, the port number is tested against the sk's source/destination port. Thus, if one of them matches, the information will be further processed for the log. As this is quite limited, allow for more advanced filtering possibilities which can facilitate debugging/analysis with the help of the tcp_probe snooper. Therefore, similarly as added to BPF machine in commit 7e75f93e ("pkt_sched: ingress socket filter by mark"), add the possibility to use skb->mark as a filter. If the mark is not being used otherwise, this allows ingress filtering by flow (e.g. in order to track updates from only a single flow, or a subset of all flows for a given port) and other things such as dynamic logging and reconfiguration without removing/re-inserting the tcp_probe module, etc. Simple example: insmod net/ipv4/tcp_probe.ko fwmark=8888 full=1 ... iptables -A INPUT -i eth4 -t mangle -p tcp --dport 22 \ --sport 60952 -j MARK --set-mark 8888 [... sampling interval ...] iptables -D INPUT -i eth4 -t mangle -p tcp --dport 22 \ --sport 60952 -j MARK --set-mark 8888 The current option to filter by a given port is still being preserved. A similar approach could be done for the sctp_probe module as a follow-up. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27qlcnic: Update version to 5.3.49.Sucheta Chakraborty1-2/+2
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27qlcnic: dcb: Add support for CEE Netlink interface.Sucheta Chakraborty4-1/+629
o Adapter and driver supports only CEE dcbnl ops. Only GET callbacks within dcbnl ops are supported currently. Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27qlcnic: dcb: Register DCB AEN handler.Sucheta Chakraborty7-2/+137
o Adapter sends Asynchronous Event Notifications to the driver when there are changes in the switch or adapter DCBX configuration. AEN handler updates the driver DCBX parameters. Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27qlcnic: dcb: Get DCB parameters from the adapter.Sucheta Chakraborty7-2/+278
o Populate driver data structures with local, operational, and peer DCB parameters. Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-27qlcnic: dcb: Query adapter DCB capabilities.Sucheta Chakraborty12-0/+345
o Query adapter DCB capabilities and populate local data structures with relevant information. o Add QLCNIC_DCB to Kconfig for enabling/disabling DCB. Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-26openvswitch: Rename key_len to key_endAndy Zhou2-16/+17
Key_end is a better name describing the ending boundary than key_len. Rename those variables to make it less confusing. Signed-off-by: Andy Zhou <azhou@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
2013-08-26openvswitch: Add SCTP supportJoe Stringer6-4/+121
This patch adds support for rewriting SCTP src,dst ports similar to the functionality already available for TCP/UDP. Rewriting SCTP ports is expensive due to double-recalculation of the SCTP checksums; this is performed to ensure that packets traversing OVS with invalid checksums will continue to the destination with any checksum corruption intact. Reviewed-by: Simon Horman <horms@verge.net.au> Signed-off-by: Joe Stringer <joe@wand.net.nz> Signed-off-by: Ben Pfaff <blp@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
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