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2014-07-15Merge branch 'bonding-next'David S. Miller7-431/+373
Veaceslav Falico says: ==================== bonding: convert pr_* to netdev_* Currently bonding uses pr_info/warn/etc. function to print something, while it's encouraged to use netdev_info/warn/etc. in net/. This patchset converts them where possible (i.e. where we have a working net_device). Also, convert pr_ratelimit* to net_() and remove the pr_fmt, to unify netdev_* and pr_* outputs. ==================== CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: remove pr_fmt from bond_options.cVeaceslav Falico1-2/+0
To maintain the same message structure as netdev_* functions print. CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: convert bond_options.c to use netdev_printk instead of pr_Veaceslav Falico1-115/+101
CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: convert bond_procfs.c to use netdev_printk instead of pr_Veaceslav Falico1-2/+2
CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: bonding: remove pr_fmt from bond_netlink.cVeaceslav Falico1-2/+0
To maintain the same message structure as netdev_* functions print. CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: convert bond_netlink.c to use netdev_printk instead of pr_Veaceslav Falico1-6/+3
CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: convert bond_debugfs.c to use netdev_printk instead of pr_Veaceslav Falico1-4/+2
One occurance left intact as it's unrelated to net_device. CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: remove pr_fmt from bond_alb.cVeaceslav Falico1-2/+0
To maintain the same message structure as netdev_* functions print. CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: convert bond_alb.c to use netdev_printk instead of pr_Veaceslav Falico1-19/+15
CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: remove pr_fmt from bond_3ad.cVeaceslav Falico1-2/+0
To maintain the same message structure as netdev_* functions print. CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: convert bond_3ad.c to use netdev_printk instead of pr_Veaceslav Falico1-95/+88
Several functions left out cause we might not have at that time a valid bond/slave/port. Also, converted severa pr_ratelimited into net_ratelimited. CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: remove pr_fmt from bond_main.cVeaceslav Falico1-2/+0
To maintain the same message structure as netdev_* functions print. CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: convert bond_main.c to use netdev_printk instead of pr_Veaceslav Falico1-180/+162
Converted only the parts where we've had a valid net_device, skipping the init/deinit and options verification. CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15drivers: net: cpsw: disable coalesce when rx_coalesce_usecs is zeroMugunthan V N1-3/+7
instead of return error on zero rx_coalesce_usecs, disable coalesce Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: fix bond_option_mode_set warningNikolay Aleksandrov1-1/+2
During the conversion to "static" functions this one got left out, only its prototype was converted, thus resulting in: drivers/net/bonding//bond_options.c:674:5: warning: symbol 'bond_option_mode_set' was not declared. Should it be static? Fix it by making it static and also break the line in two as it was too long. CC: Stephen Hemminger <stephen@networkplumber.org> CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Veaceslav Falico <vfalico@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> CC: David S. Miller <davem@davemloft.net> Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: permit enslaving interfaces without set_mac supportVeaceslav Falico1-9/+10
Currently we exit if the slave isn't the first slave, doesn't support mac address setting and fail_over_mac isn't FOM_ACTIVE. It's wrong because we only require ndo_set_mac_address in case bonding is in active-backup mode and FOM isn't FOM_ACTIVE. To fix this - only exit with an error if we're in a/b mode and have fail_over_mac != FOM_ACTIVE. Also, maintain current behaviour on the first slave (forcibly change fom to FOM_ACTIVE) to not break anyone's configuration. CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15sfc: add extra RX drop counters for nodesc_trunc and noskb_dropEdward Cree9-10/+56
Added a counter rx_noskb_drop for failure to allocate an skb. Summed the per-channel rx_nodesc_trunc counters earlier so that they can be included in rx_dropped. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15net: ppp: reset nextseq counter when enabling SC_MULTILINKChristoph Schulz1-0/+2
If using a demand-dialled PPP unit for a PPP multilink master, the pppd daemon needs to reset the sequence counter between two connections. This allows the daemon to reuse the PPP unit instead of destroying and recreating it. As there is no API to reset the counter, this patch resets the counter whenever the SC_MULTILINK flag is set. Signed-off-by: Christoph Schulz <develop@kristov.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15Merge branch 'bonding_rcu'David S. Miller6-64/+91
Eric Dumazet says: ==================== bonding: rcu cleanups RCU was added to bonding in linux-3.12 but lacked proper sparse annotations. Using __rcu annotation actually helps to spot all accesses to bond->curr_active_slave & cond->current_arp_slave are correctly protected, with full sparse & LOCKDEP support. Lets clean the code. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: add proper __rcu annotation for current_arp_slaveEric Dumazet2-7/+10
Using __rcu annotation actually helps to spot all accesses to bond->current_arp_slave are correctly protected, with LOCKDEP support. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: add proper __rcu annotation for curr_active_slaveEric Dumazet4-45/+63
RCU was added to bonding in linux-3.12 but lacked proper sparse annotations. Using __rcu annotation actually helps to spot all accesses to bond->curr_active_slave are correctly protected, with LOCKDEP support. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Veaceslav Falico <vfalico@gmail.com> Reviewed-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: use rcu_access_pointer() in bonding_show_mii_status()Eric Dumazet1-1/+2
curr_active_slave is rcu protected, and bonding_show_mii_status() only wants to check if pointer is NULL or not. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Veaceslav Falico <vfalico@gmail.com> Reviewed-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15bonding: get rid of bond_option_active_slave_get()Eric Dumazet3-11/+16
Only keep bond_option_active_slave_get_rcu() helper. bond_fill_info() uses a new bond_option_active_slave_get_ifindex() helper. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Veaceslav Falico <vfalico@gmail.com> Reviewed-by: Nikolay Aleksandrov <nikolay@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15Merge tag 'linux-can-next-for-3.17-20140715' of git://gitorious.org/linux-can/linux-can-nextDavid S. Miller3-42/+31
Marc Kleine-Budde says: ==================== pull-request: can-next 2014-07-15 this is a pull request of 4 patches for net-next/master. Prabhakar Lad contributes a patch that converts the c_can driver to use the devm api. The remaining four patches by Nikita Edward Baruzdin improve the SJA1000 driver with loopback testing support and introduce a new testing mode presume ack, for successful transmission even if no ACK is received. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15net-timestamp: document deprecated syststampWillem de Bruijn2-4/+12
The SO_TIMESTAMPING API defines option SOF_TIMESTAMPING_SYS_HW. This feature is deprecated. It should not be implemented by new device drivers. Existing drivers do not implement it, either -- with one exception. Driver developers are encouraged to expose the NIC hw clock as a PTP HW clock source, instead, and synchronize system time to the HW source. The control flag cannot be removed due to being part of the ABI, nor can the structure scm_timestamping that is returned. Due to the one legacy driver, the internal datapath and structure are not removed. This patch only clearly marks the interface as deprecated. Device drivers should always return a syststamp value of zero. Signed-off-by: Willem de Bruijn <willemb@google.com> ---- We can consider adding a WARN_ON_ONCE in__sock_recv_timestamp if non-zero syststamp is encountered Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15net-timestamp: SOCK_RAW and PING timestampingWillem de Bruijn3-13/+11
Add SO_TIMESTAMPING to sockets of type PF_INET[6]/SOCK_RAW: Add the necessary sock_tx_timestamp calls to the datapath for RAW sockets (ping sockets already had these calls). Fix the IP output path to pass the timestamp flags on the first fragment also for these sockets. The existing code relies on transhdrlen != 0 to indicate a first fragment. For these sockets, that assumption does not hold. This fixes http://bugzilla.kernel.org/show_bug.cgi?id=77221 Tested SOCK_RAW on IPv4 and IPv6, not PING. Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15Merge branch 'amd-xgbe-next'David S. Miller3-15/+21
Tom Lendacky says: ==================== amd-xgbe: Remove baseT workaround for fixed speeds The following series expands the speed/duplex settings array in phy.c to support additional media types. With this expansion the workaround in the amd-xgbe driver to set/remove baseT media types based on whether auto negotiation is enabled can be removed. This patch series is based on net-next. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15amd-xgbe: Remove the adjustments needed for fixed speedLendacky, Thomas2-14/+0
With the addition of entries in the phy speed/duplex settings array to support KR and KX mode, the work-around to add/remove baseT settings to run at a fixed speed is no longer needed. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15phy: Expand phy speed/duplex settings arrayLendacky, Thomas1-1/+21
Expand the phy speed/duplex settings array to support more than just baseT features. This change adds entries to support the following additional speed/duplex/media types: SUPPORTED_10000baseKR_Full SUPPORTED_10000baseKX4_Full SUPPORTED_2500baseX_Full SUPPORTED_1000baseKX_Full Additionally, it changes the 10GbE baseT entry from using the hardcoded value 10000 to the SPEED_10000 define. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15Merge branch 'net-break-after-goto'David S. Miller18-26/+0
Fabian Frederick says: ==================== net: remove unnecessary break after goto/return Small patchset addressing break redundancy on net branch (suggested by Joe Perches). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15net: sctp: remove unnecessary break after return/gotoFabian Frederick2-5/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15ieee802154: remove unnecessary break after gotoFabian Frederick1-1/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15irda: remove unnecessary break after returnFabian Frederick2-2/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15caif: remove unnecessary break after gotoFabian Frederick1-1/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15NFC: remove unnecessary break after gotoFabian Frederick1-2/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15ipv6: remove unnecessary break after returnFabian Frederick1-1/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15netfilter: remove unnecessary break after returnFabian Frederick1-1/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15af_key: remove unnecessary break after returnFabian Frederick1-3/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15mac80211: remove unnecessary break after returnFabian Frederick1-1/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15drop_monitor: remove unnecessary break after returnFabian Frederick1-2/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15pktgen: remove unnecessary break after gotoFabian Frederick1-1/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15netlabel: remove unnecessary break after gotoFabian Frederick1-1/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Acked-by: Paul Moore <paul@paul-moore.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15af_iucv: remove unnecessary break after gotoFabian Frederick1-1/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-159P: remove unnecessary break after returnFabian Frederick1-1/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15tipc: remove unnecessary break after returnFabian Frederick1-1/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15packet: remove unnecessary break after returnFabian Frederick1-2/+0
Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15Merge branch 'cxgb4-next'David S. Miller13-61/+528
Hariprasad Shenai says: ==================== Misc. fixes for iw_cxgb4 This patch series adds support to determine ingress padding boundary at runtime. Advertise a larger max read queue depth for qps, and gather the resource limits from fw and use them to avoid exhausting all the resources and display TPTE on errors and add support for work request logging feature. The patches series is created against 'net-next' tree. And includes patches on cxgb4 and iw_cxgb4 driver. Since this patch-series contains changes which are dependent on commit id fc5ab02 ("cxgb4: Replaced the backdoor mechanism to access the HW memory with PCIe Window method") we would like to request this patch series to get merged via David Miller's 'net-next' tree. We have included all the maintainers of respective drivers. Kindly review the change and let us know in case of any review comments. V2: Optimized alloc_ird function, and several other changes related to debug prints based on review comments given by Yann Droneaud. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15cxgb4/iw_cxgb4: work request logging featureHariprasad Shenai8-0/+196
This commit enhances the iwarp driver to optionally keep a log of rdma work request timining data for kernel mode QPs. If iw_cxgb4 module option c4iw_wr_log is set to non-zero, each work request is tracked and timing data maintained in a rolling log that is 4096 entries deep by default. Module option c4iw_wr_log_size_order allows specifing a log2 size to use instead of the default order of 12 (4096 entries). Both module options are read-only and must be passed in at module load time to set them. IE: modprobe iw_cxgb4 c4iw_wr_log=1 c4iw_wr_log_size_order=10 The timing data is viewable via the iw_cxgb4 debugfs file "wr_log". Writing anything to this file will clear all the timing data. Data tracked includes: - The host time when the work request was posted, just before ringing the doorbell. The host time when the completion was polled by the application. This is also the time the log entry is created. The delta of these two times is the amount of time took processing the work request. - The qid of the EQ used to post the work request. - The work request opcode. - The cqe wr_id field. For sq completions requests this is the swsqe index. For recv completions this is the MSN of the ingress SEND. This value can be used to match log entries from this log with firmware flowc event entries. - The sge timestamp value just before ringing the doorbell when posting, the sge timestamp value just after polling the completion, and CQE.timestamp field from the completion itself. With these three timestamps we can track the latency from post to poll, and the amount of time the completion resided in the CQ before being reaped by the application. With debug firmware, the sge timestamp is also logged by firmware in its flowc history so that we can compute the latency from posting the work request until the firmware sees it. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15cxgb4/iw_cxgb4: display TPTE on errorsHariprasad Shenai5-11/+143
With ingress WRITE or READ RESPONSE errors, HW provides the offending stag from the packet. This patch adds logic to log the parsed TPTE in this case. cxgb4 now exports a function to read a TPTE entry from adapter memory. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-07-15cxgb4/iw_cxgb4: use firmware ord/ird resource limitsHariprasad Shenai9-34/+142
Advertise a larger max read queue depth for qps, and gather the resource limits from fw and use them to avoid exhaustinq all the resources. Design: cxgb4: Obtain the max_ordird_qp and max_ird_adapter device params from FW at init time and pass them up to the ULDs when they attach. If these parameters are not available, due to older firmware, then hard-code the values based on the known values for older firmware. iw_cxgb4: Fix the c4iw_query_device() to report these correct values based on adapter parameters. ibv_query_device() will always return: max_qp_rd_atom = max_qp_init_rd_atom = min(module_max, max_ordird_qp) max_res_rd_atom = max_ird_adapter Bump up the per qp max module option to 32, allowing it to be increased by the user up to the device max of max_ordird_qp. 32 seems to be sufficient to maximize throughput for streaming read benchmarks. Fail connection setup if the negotiated IRD exhausts the available adapter ird resources. So the driver will track the amount of ird resource in use and not send an RI_WR/INIT to FW that would reduce the available ird resources below zero. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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