- 07 Feb, 2014 17 commits
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Eric Dumazet authored
sock_alloc_send_pskb() & sk_page_frag_refill() have a loop trying high order allocations to prepare skb with low number of fragments as this increases performance. Problem is that under memory pressure/fragmentation, this can trigger OOM while the intent was only to try the high order allocations, then fallback to order-0 allocations. We had various reports from unexpected regressions. According to David, setting __GFP_NORETRY should be fine, as the asynchronous compaction is still enabled, and this will prevent OOM from kicking as in : CFSClientEventm invoked oom-killer: gfp_mask=0x42d0, order=3, oom_adj=0, oom_score_adj=0, oom_score_badness=2 (enabled),memcg_scoring=disabled CFSClientEventm Call Trace: [<ffffffff8043766c>] dump_header+0xe1/0x23e [<ffffffff80437a02>] oom_kill_process+0x6a/0x323 [<ffffffff80438443>] out_of_memory+0x4b3/0x50d [<ffffffff8043a4a6>] __alloc_pages_may_oom+0xa2/0xc7 [<ffffffff80236f42>] __alloc_pages_nodemask+0x1002/0x17f0 [<ffffffff8024bd23>] alloc_pages_current+0x103/0x2b0 [<ffffffff8028567f>] sk_page_frag_refill+0x8f/0x160 [<ffffffff80295fa0>] tcp_sendmsg+0x560/0xee0 [<ffffffff802a5037>] inet_sendmsg+0x67/0x100 [<ffffffff80283c9c>] __sock_sendmsg_nosec+0x6c/0x90 [<ffffffff80283e85>] sock_sendmsg+0xc5/0xf0 [<ffffffff802847b6>] __sys_sendmsg+0x136/0x430 [<ffffffff80284ec8>] sys_sendmsg+0x88/0x110 [<ffffffff80711472>] system_call_fastpath+0x16/0x1b Out of Memory: Kill process 2856 (bash) score 9999 or sacrifice child Signed-off-by:
Eric Dumazet <edumazet@google.com> Acked-by:
David Rientjes <rientjes@google.com> Acked-by:
"Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Sabrina Dubroca authored
Currently, to make netconsole start over IPv6, the source address needs to be specified. Without a source address, netpoll_parse_options assumes we're setting up over IPv4 and the destination IPv6 address is rejected. Check if the IP version has been forced by a source address before checking for a version mismatch when parsing the destination address. Signed-off-by:
Sabrina Dubroca <sd@queasysnail.net> Acked-by:
Cong Wang <cwang@twopensource.com> Signed-off-by:
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Paul Gortmaker authored
Commit ee45fd92 ("sfc: Use TX PIO for sufficiently small packets") introduced the following warning: drivers/net/ethernet/sfc/tx.c: In function 'efx_enqueue_skb': drivers/net/ethernet/sfc/tx.c:432:1: warning: label 'finish_packet' defined but not used Stick the label inside the same #ifdef that the code which calls it uses. Note that this is only seen for arch that do not set ARCH_HAS_IOREMAP_WC, such as arm, mips, sparc, ..., as the others enable the write combining code and hence use the label. Cc: Jon Cooper <jcooper@solarflare.com> Cc: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by:
Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by:
Shradha Shah <sshah@solarflare.com> Signed-off-by:
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Dan Carpenter authored
It seems like this function was intended to have special handling for urb statuses of -ENOENT and -ECONNRESET. But now it just prints some debugging and returns at the start of the function. I have removed the dead code, it's still in the git history if anyone wants to revive it. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Jan Moskyto Matejka authored
Commit cfd280c9 ("net: sync some IP headers with glibc") changed a set of define's to an enum (with no explanation why) which introduced a bug in module mip6 where aliases are generated using the IPPROTO_* defines; mip6 doesn't load if require_module called with the aliases from xfrm_get_type(). Reverting this change back to define's to fix the aliases. modinfo mip6 (before this change) alias: xfrm-type-10-IPPROTO_DSTOPTS alias: xfrm-type-10-IPPROTO_ROUTING modinfo mip6 (after this change) alias: xfrm-type-10-43 alias: xfrm-type-10-60 Signed-off-by:
Jan Moskyto Matejka <mq@suse.cz> Signed-off-by:
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Dan Carpenter authored
This is a static checker fix, but judging from the context then I think hexidecimal 0x80 is intended here instead of decimal 80. Signed-off-by:
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Matija Glavinic Pecotic authored
commit efe4208f: 'ipv6: make lookups simpler and faster' broke initialization of local source address on accepted ipv6 sockets. Before the mentioned commit receive address was copied along with the contents of ipv6_pinfo in sctp_v6_create_accept_sk. Now when it is moved, it has to be copied separately. This also fixes lksctp's ipv6 regression in a sense that test_getname_v6, TC5 - 'getsockname on a connected server socket' now passes. Signed-off-by:
Matija Glavinic Pecotic <matija.glavinic-pecotic.ext@nsn.com> Signed-off-by:
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hayeswang authored
The submission of the interrupt transfer should be done after setting the bit of WORK_ENABLE, otherwise the callback function would have the opportunity to be returned directly. Clear the bit of WORK_ENABLE before killing the interrupt transfer. Signed-off-by:
Hayes Wang <hayeswang@realtek.com> Signed-off-by:
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Yuval Mintz authored
bnx2x driver uses incorrect PF identifier to configure (in HW) the VF interrupt scheme; As a result, in multi-function mode the configuration for PFs with a high index (4+) will overflow and the PF will erroneously configure a single ISR scheme for its VFs. As a result, if such a VF uses multiple queues, interrupt generation will stop after VF receives an Rx packet or sends a Tx packet on a queue other than queue[0]. Signed-off-by:
Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by:
Ariel Elior <ariele@broadcom.com> Signed-off-by:
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Nithin Sujir authored
Quoting David Vrabel - "5780 cards cannot have jumbo frames and TSO enabled together. When jumbo frames are enabled by setting the MTU, the TSO feature must be cleared. This is done indirectly by calling netdev_update_features() which will call tg3_fix_features() to actually clear the flags. netdev_update_features() will also trigger a new netlink message for the feature change event which will result in a call to tg3_get_stats64() which deadlocks on the tg3 lock." tg3_set_mtu() does not need to be under the tg3 lock since converting the flags to use set_bit(). Move it out to after tg3_netif_stop(). Reported-by:
David Vrabel <david.vrabel@citrix.com> Tested-by:
Michael Chan <mchan@broadcom.com> Signed-off-by:
Nithin Nayak Sujir <nsujir@broadcom.com> Signed-off-by:
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Dan Carpenter authored
In the original code, if tg3_readphy() fails then it does an unnecessary check to verify "err" is still zero and then returns -EBUSY. My static checker complains about the unnecessary "if (!err)" check and anyway it is better to propagate the -EBUSY error code from tg3_readphy() instead of hard coding it here. And really the original code is confusing to look at. Signed-off-by:
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Geert Uytterhoeven authored
On m68k/ARAnyM: WARNING: CPU: 0 PID: 407 at net/ipv4/devinet.c:1599 0x316a99() Modules linked in: CPU: 0 PID: 407 Comm: ifconfig Not tainted 3.13.0-atari-09263-g0c71d68014d1 #1378 Stack from 10c4fdf0: 10c4fdf0 002ffabb 000243e8 00000000 008ced6c 00024416 00316a99 0000063f 00316a99 00000009 00000000 002501b4 00316a99 0000063f c0a86117 00000080 c0a86117 00ad0c90 00250a5a 00000014 00ad0c90 00000000 00000000 00000001 00b02dd0 00356594 00000000 00356594 c0a86117 eff6c9e4 008ced6c 00000002 008ced60 0024f9b4 00250b52 00ad0c90 00000000 00000000 00252390 00ad0c90 eff6c9e4 0000004f 00000000 00000000 eff6c9e4 8000e25c eff6c9e4 80001020 Call Trace: [<000243e8>] warn_slowpath_common+0x52/0x6c [<00024416>] warn_slowpath_null+0x14/0x1a [<002501b4>] rtmsg_ifa+0xdc/0xf0 [<00250a5a>] __inet_insert_ifa+0xd6/0x1c2 [<0024f9b4>] inet_abc_len+0x0/0x42 [<00250b52>] inet_insert_ifa+0xc/0x12 [<00252390>] devinet_ioctl+0x2ae/0x5d6 Adding some debugging code reveals that net_fill_ifaddr() fails in put_cacheinfo(skb, ifa->ifa_cstamp, ifa->ifa_tstamp, preferred, valid)) nla_put complains: lib/nlattr.c:454: skb_tailroom(skb) = 12, nla_total_size(attrlen) = 20 Apparently commit 5c766d64 ("ipv4: introduce address lifetime") forgot to take into account the addition of struct ifa_cacheinfo in inet_nlmsg_size(). Hence add it, like is already done for ipv6. Suggested-by:Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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James M Leddy authored
Occasionally users want to know what parameters their Broadcom drivers are running with. For example, a user may want to know if MSI is disabled. This patch has been compile tested. Signed-off-by:
James M Leddy <james.leddy@redhat.com> Signed-off-by:
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Alexander Shiyan authored
This patch removes old and unsupported CLPS711X IrDA driver. Support for IrDA for CLPS711X serial port now provided by commit 4a33f1f59abd (serial: clps711x: Add support for N_IRDA line discipline), so IrDA-mode can be turned ON with "irattach" tool through "irtty" driver. Signed-off-by:
Alexander Shiyan <shc_work@mail.ru> Signed-off-by:
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Maxime Ripard authored
Switch the device tree to the new compatibles introduced in the ethernet and mdio drivers to have a common pattern accross all Allwinner SoCs. Signed-off-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by:
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Maxime Ripard authored
The Allwinner A10 compatibles were following a slightly different compatible patterns than the rest of the SoCs for historical reasons. Add compatibles matching the other pattern to the mdio driver for consistency, and keep the older one for backward compatibility. Signed-off-by:
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Maxime Ripard authored
The Allwinner A10 compatibles were following a slightly different compatible patterns than the rest of the SoCs for historical reasons. Add compatibles matching the other pattern to the ethernet driver for consistency, and keep the older one for backward compatibility. Signed-off-by:
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- 06 Feb, 2014 2 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitchDavid S. Miller authored
Jesse Gross says: ==================== Open vSwitch A handful of bug fixes for net/3.14. High level fixes are: * Regressions introduced by the zerocopy changes, particularly with old userspaces. * A few bugs lingering from the introduction of megaflows. * Overly zealous error checking that is now being triggered frequently in common cases. ==================== Signed-off-by: -
Zoltan Kiss authored
The recent patch to fix receive side flow control (11b57f90: xen-netback: stop vif thread spinning if frontend is unresponsive) solved the spinning thread problem, however caused an another one. The receive side can stall, if: - [THREAD] xenvif_rx_action sets rx_queue_stopped to true - [INTERRUPT] interrupt happens, and sets rx_event to true - [THREAD] then xenvif_kthread sets rx_event to false - [THREAD] rx_work_todo doesn't return true anymore Also, if interrupt sent but there is still no room in the ring, it take quite a long time until xenvif_rx_action realize it. This patch ditch that two variable, and rework rx_work_todo. If the thread finds it can't fit more skb's into the ring, it saves the last slot estimation into rx_last_skb_slots, otherwise it's kept as 0. Then rx_work_todo will check if: - there is something to send to the ring (like before) - there is space for the topmost packet in the queue I think that's more natural and optimal thing to test than two bool which are set somewhere else. Signed-off-by:
Zoltan Kiss <zoltan.kiss@citrix.com> Reviewed-by:
Paul Durrant <paul.durrant@citrix.com> Acked-by:
Wei Liu <wei.liu2@citrix.com> Signed-off-by:
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- 05 Feb, 2014 20 commits
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Andy Zhou authored
With subfacets, we'd expect megaflow updates message to carry the original micro flow. If not, EINVAL is returned and kernel logs an error message. Now that the user space subfacet layer is removed, it is expected that flow updates can arrive with a micro flow other than the original. Change the return code to EEXIST and remove the kernel error log message. Reported-by:
Ben Pfaff <blp@nicira.com> Signed-off-by:
Andy Zhou <azhou@nicira.com> Signed-off-by:
Jesse Gross <jesse@nicira.com>
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Pravin B Shelar authored
ovs_flow_free() is not called under ovs-lock during packet execute path (ovs_packet_cmd_execute()). Since packet execute does not touch flow->mask, there is no need to take that lock either. So move assert in case where flow->mask is checked. Found by code inspection. Signed-off-by:
Pravin B Shelar <pshelar@nicira.com> Signed-off-by:
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Daniele Di Proietto authored
commit 43d4be9c (openvswitch: Allow user space to announce ability to accept unaligned Netlink messages) introduced OVS_DP_ATTR_USER_FEATURES netlink attribute in datapath responses, but the attribute size was not taken into account in ovs_dp_cmd_msg_size(). Signed-off-by:
Daniele Di Proietto <daniele.di.proietto@gmail.com> Signed-off-by:
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Andy Zhou authored
Both mega flow mask's reference counter and per flow table mask list should only be accessed when holding ovs_mutex() lock. However this is not true with ovs_flow_table_flush(). The patch fixes this bug. Reported-by:
Joe Stringer <joestringer@nicira.com> Signed-off-by:
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Thomas Graf authored
While the zerocopy method is correctly omitted if user space does not support unaligned Netlink messages. The attribute is still not padded correctly as skb_zerocopy() will not ensure padding and the attribute size is no longer pre calculated though nla_reserve() which ensured padding previously. This patch applies appropriate padding if a linear data copy was performed in skb_zerocopy(). Signed-off-by:
Thomas Graf <tgraf@suug.ch> Acked-by:
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David Vrabel authored
Backend drivers shouldn't transistion to CLOSED unless the frontend is CLOSED. If a backend does transition to CLOSED too soon then the frontend may not see the CLOSING state and will not properly shutdown. So, treat an unexpected backend CLOSED state the same as CLOSING. Signed-off-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by:
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Dmitry Kravkov authored
When configuring GRE tunnel using OVS, tcp stream is distributed over all RSS queues which may cause TCP reordering. It happens since OVS uses L2GRE protocol when kernel gre uses IPGRE. Patch defaults gre tunnel to L2GRE which allows proper RSS for L2GRE packets and (implicitly) disables RSS for IPGRE traffic. Signed-off-by:
Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by:
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Bjørn Mork authored
This device was mentioned in an OpenWRT forum. Seems to have a "standard" Sierra Wireless ifnumber to function layout: 0: qcdm 2: nmea 3: modem 8: qmi 9: storage Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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Fernando Luis Vazquez Cao authored
We should check whether rtnetlink link operations are defined before calling get_slave_size(). Without this, the following oops can occur when adding a tap device to OVS. [ 87.839553] BUG: unable to handle kernel NULL pointer dereference at 00000000000000a8 [ 87.839595] IP: [<ffffffff813d47c0>] if_nlmsg_size+0xf0/0x220 [...] [ 87.840651] Call Trace: [ 87.840664] [<ffffffff813d694b>] ? rtmsg_ifinfo+0x2b/0x100 [ 87.840688] [<ffffffff813c8340>] ? __netdev_adjacent_dev_insert+0x150/0x1a0 [ 87.840718] [<ffffffff813d6a50>] ? rtnetlink_event+0x30/0x40 [ 87.840742] [<ffffffff814b4144>] ? notifier_call_chain+0x44/0x70 [ 87.840768] [<ffffffff813c8946>] ? __netdev_upper_dev_link+0x3c6/0x3f0 [ 87.840798] [<ffffffffa0678d6c>] ? netdev_create+0xcc/0x160 [openvswitch] [ 87.840828] [<ffffffffa06781ea>] ? ovs_vport_add+0x4a/0xd0 [openvswitch] [ 87.840857] [<ffffffffa0670139>] ? new_vport+0x9/0x50 [openvswitch] [ 87.840884] [<ffffffffa067279e>] ? ovs_vport_cmd_new+0x11e/0x210 [openvswitch] [ 87.840915] [<ffffffff813f3efa>] ? genl_family_rcv_msg+0x19a/0x360 [ 87.840941] [<ffffffff813f40c0>] ? genl_family_rcv_msg+0x360/0x360 [ 87.840967] [<ffffffff813f4139>] ? genl_rcv_msg+0x79/0xc0 [ 87.840991] [<ffffffff813b6cf9>] ? __kmalloc_reserve.isra.25+0x29/0x80 [ 87.841018] [<ffffffff813f2389>] ? netlink_rcv_skb+0xa9/0xc0 [ 87.841042] [<ffffffff813f27cf>] ? genl_rcv+0x1f/0x30 [ 87.841064] [<ffffffff813f1988>] ? netlink_unicast+0xe8/0x1e0 [ 87.841088] [<ffffffff813f1d9a>] ? netlink_sendmsg+0x31a/0x750 [ 87.841113] [<ffffffff813aee96>] ? sock_sendmsg+0x86/0xc0 [ 87.841136] [<ffffffff813c960d>] ? __netdev_update_features+0x4d/0x200 [ 87.841163] [<ffffffff813ca94e>] ? ethtool_get_value+0x2e/0x50 [ 87.841188] [<ffffffff813af269>] ? ___sys_sendmsg+0x359/0x370 [ 87.841212] [<ffffffff813da686>] ? dev_ioctl+0x1a6/0x5c0 [ 87.841236] [<ffffffff8109c210>] ? autoremove_wake_function+0x30/0x30 [ 87.841264] [<ffffffff813ac59d>] ? sock_do_ioctl+0x3d/0x50 [ 87.841288] [<ffffffff813aca68>] ? sock_ioctl+0x1e8/0x2c0 [ 87.841312] [<ffffffff811934bf>] ? do_vfs_ioctl+0x2cf/0x4b0 [ 87.841335] [<ffffffff813afeb9>] ? __sys_sendmsg+0x39/0x70 [ 87.841362] [<ffffffff814b86f9>] ? system_call_fastpath+0x16/0x1b [ 87.841386] Code: c0 74 10 48 89 ef ff d0 83 c0 07 83 e0 fc 48 98 49 01 c7 48 89 ef e8 d0 d6 fe ff 48 85 c0 0f 84 df 00 00 00 48 8b 90 08 07 00 00 <48> 8b 8a a8 00 00 00 31 d2 48 85 c9 74 0c 48 89 ee 48 89 c7 ff [ 87.841529] RIP [<ffffffff813d47c0>] if_nlmsg_size+0xf0/0x220 [ 87.841555] RSP <ffff880221aa5950> [ 87.841569] CR2: 00000000000000a8 [ 87.851442] ---[ end trace e42ab217691b4fc2 ]--- Signed-off-by:
Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Acked-by:
Jiri Pirko <jiri@resnulli.us> Signed-off-by:
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Stefan Sørensen authored
Currently the trigger/event is hardcoded to 0, this patch adds a new command line argument -i to select an arbitrary trigger/ event. Signed-off-by:
Stefan Sørensen <stefan.sorensen@spectralink.com> Acked-by:
Richard Cochran <richardcochran@gmail.com> Signed-off-by:
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Max Filippov authored
MII management bus clock is derived from the MAC clock by dividing it by MIIMODER register CLKDIV field value. This value may need to be set up in case it is undefined or its default value is too high (and communication with PHY is too slow) or too low (and communication with PHY is impossible). The value of CLKDIV is not specified directly, but is derived from the MAC clock for the default MII management bus frequency of 2.5MHz. The MAC clock may be specified in the platform data, or in the 'clocks' device tree attribute. Signed-off-by:
Max Filippov <jcmvbkbc@gmail.com> Signed-off-by:
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Max Filippov authored
OpenCores 10/100 Mbps MAC does not support speeds above 100 Mbps, but does not disable advertisement when PHY supports them. This results in non-functioning network when the MAC is connected to a gigabit PHY connected to a gigabit switch. The fix is to disable gigabit speed advertisement on attached PHY unconditionally. Signed-off-by:
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Florian Fainelli authored
When a Gigabit PHY device is connected to a 10/100Mbits capable Ethernet MAC, the driver will restrict the phydev->supported modes to mask off Gigabit. If the Gigabit PHY comes out of reset with the Gigabit features set by default in MII_CTRL1000, it will keep advertising these feature, so by the time we call genphy_config_advert(), the condition on phydev->supported having the Gigabit features on is false, and we do not update MII_CTRL1000 with updated values, and we keep advertising Gigabit features, eventually configuring the PHY for Gigabit whilst the Ethernet MAC does not support that. This patches fixes the problem by ensuring that the Gigabit feature bits are always cleared in MII_CTRL1000, if the PHY happens to be a Gigabit PHY, and then, if Gigabit features are supported, setting those and updating MII_CTRL1000 accordingly. Reported-by:
Florian Fainelli <f.fainelli@gmail.com> Tested-by:
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Stefan Sørensen authored
The trigger and events functionality can be useful even if packet timestamping is not used, but the required PTP clock is only enabled when packet timestamping is started. This patch moves the clock enable to when the interface is configured. Signed-off-by:
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Stefan Sørensen authored
Currently the external timestamping code is hardcoded to use the rising edge even though the hardware has configurable event edge detection. This patch changes the code to use falling edge detection if PTP_FALLING_EDGE is set in the user supplied flags. Signed-off-by:
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Stefan Sørensen authored
Set the SKBTX_IN_PROGRESS bit in tx_flags dp83640_txtstamp when doing tx timestamps as per Documentation/networking/timestamping.txt. Signed-off-by:
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Shlomo Pongratz authored
RCU writer side should use rcu_dereference_protected() and not rcu_dereference(), fix that. This also removes the "suspicious RCU usage" warning seen when running with CONFIG_PROVE_RCU. Also, don't use rcu_assign_pointer/rcu_dereference for pointers which are invisible beyond the udp offload code. Fixes: b582ef09 ('net: Add GRO support for UDP encapsulating protocols') Reported-by:
Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by:
Shlomo Pongratz <shlomop@mellanox.com> Acked-by:
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David S. Miller authored
Ding Tianhong says: ==================== bonding: Fix some issues for fail_over_mac The parameter fail_over_mac only affect active-backup mode, if it was set to active or follow and works with other modes, just like RR or XOR mode, the bonding could not set all slaves to the master's address, it will cause the slave could not work well with master. v1->v2: According Jay's suggestion, that we should permit setting an option at any time, but only have it take effect in active-backup mode, so I add mode checking together with fail_over_mac during enslavement and rebuild the patches. v2->v3: The correct way to fix the problem is that we should not add restrictions when setting options, just need to modify the bond enslave and removal processing to check the mode in addition to fail_over_mac when setting a slave's MAC during enslavement. The change active slave processing already only calls the fail_over_mac function when in active-backup mode. Remove the cleanup patch because the net-next is frozen now. ==================== Signed-off-by:Jay Vosburgh <fubar@us.ibm.com>
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dingtianhong authored
The fail_over_mac could be set to active or follow in any time for all modes, so if the fail_over_mac is not none and the current mode is not active-backup, the bond_set_mac_address() could not change the master and slave's MAC address. In bond_set_mac_address(), the fail_over_mac should only affect AB mode, so modify to check the mode in addition to fail_over_mac when setting bond's MAC address. Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by:
Ding Tianhong <dingtianhong@huawei.com> Signed-off-by:
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dingtianhong authored
According to bonding.txt, the fail_over_ma should only affect active-backup mode, but I found that the fail_over_mac could be set to active or follow in all modes, this will cause new slave could not be set to bond's MAC address at enslave processing and restore its own MAC address at removal processing. The correct way to fix the problem is that we should not add restrictions when setting options, just need to modify the bond enslave and removal processing to check the mode in addition to fail_over_mac when setting a slave's MAC during enslavement. The change active slave processing already only calls the fail_over_mac function when in active-backup mode. Thanks for Jay's suggestion. The patch also modify the pr_warning() to pr_warn(). Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by:
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- 03 Feb, 2014 1 commit
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Eric Dumazet authored
Setting rt variable to NULL at the beginning of ip_tunnel_xmit() missed possible use of this variable as a scratch value. Also fixes a possible dst leak in tunnel_dst_check() : If we had to call tunnel_dst_reset(), we forgot to release the reference on dst. Merges tunnel_dst_get()/tunnel_dst_check() into a single tunnel_rtable_get() function for clarity. Many thanks to Tommi for his report and tests. Fixes: 7d442fab ("ipv4: Cache dst in tunnels") Reported-by:
Tommi Rantala <tt.rantala@gmail.com> Signed-off-by:
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