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2019-02-05docs/networking: fix formatting of Intel drivers documentationMike Rapoport12-0/+12
The documentation of Intel drivers is missing the heading adornment for document titles. This causes the generated html to have TOC entries from these documents to appear as top level TOC entries: * Linux* Base Driver for Intel(R) Ethernet Network Connection * Contents * Identifying Your Adapter * Command Line Parameters * AutoNeg * Duplex ... Add overline heading adornment to document titles. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-02-05igc: Remove unreachable code from igc_phy.c fileSasha Neftin1-8/+0
Address community comment. Remove the unreachable code leads to the static checker warning. PHY functionality will be added later per demand. Reported by Dan Carpenter. Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-02-05e1000e: Exclude device from suspend direct complete optimizationKai-Heng Feng1-0/+2
e1000e sets different WoL settings in system suspend callback and runtime suspend callback. The suspend direct complete optimization leaves e1000e in runtime suspended state with wrong WoL setting during system suspend. To fix this, we need to disable suspend direct complete optimization to let e1000e always use suspend callback to set correct WoL during system suspend. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-02-05net: marvell: mvpp2: fix lack of link interruptsRussell King1-7/+14
Sven Auhagen reports that if he changes a SFP+ module for a SFP module on the Macchiatobin Single Shot, the link does not come back up. For Sven, it is as easy as: - Insert a SFP+ module connected, and use ping6 to verify link is up. - Remove SFP+ module - Insert SFP 1000base-X module use ping6 to verify link is up: Link up event did not trigger and the link is down but that doesn't show the problem for me. Locally, this has been reproduced by: - Boot with no modules. - Insert SFP+ module, confirm link is up. - Replace module with 25000base-X module. Confirm link is up. - Set remote end down, link is reported as dropped at both ends. - Set remote end up, link is reported up at remote end, but not local end due to lack of link interrupt. Fix this by setting up both GMAC and XLG interrupts for port 0, but only unmasking the appropriate interrupt according to the current mode set in the mac_config() method. However, only do the mask/unmask dance when we are really changing the link mode to avoid missing any link interrupts. Tested-by: Sven Auhagen <sven.auhagen@voleatech.de> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-05net: marvell: mvpp2: use phy_interface_mode_is_8023z() helperRussell King1-23/+15
Use the phy_interface_mode_is_8023z() helper for detecting interface modes that use 802.3z serial encoding. This is equivalent to testing for both 1000base-X and 2500base-X. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-05dt-bindings: net: Add fixed-link supportMoritz Fischer1-1/+32
Update device-tree binding with fixed-link support. With fixed-link support the formerly required property 'phy-handle' is now optional if 'fixed-link' child is present. Signed-off-by: Moritz Fischer <mdf@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-05net: nixge: Add support for fixed-link configurationsMoritz Fischer1-7/+20
Add support for fixed-link configurations to nixge driver. Signed-off-by: Moritz Fischer <mdf@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-05net: nixge: Make mdio child node optionalMoritz Fischer2-9/+37
Make MDIO child optional and only instantiate the MDIO bus if the child is actually present. There are currently no (in-tree) users of this binding; all (out-of-tree) users use overlays that get shipped together with the FPGA images that contain the IP. This will significantly increase maintainabilty of future revisions of this IP. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Moritz Fischer <mdf@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-04net: phy: fixed-phy: Drop GPIO from fixed_phy_add()Linus Walleij11-46/+72
All users of the fixed_phy_add() pass -1 as GPIO number to the fixed phy driver, and all users of fixed_phy_register() pass -1 as GPIO number as well, except for the device tree MDIO bus. Any new users should create a proper device and pass the GPIO as a descriptor associated with the device so delete the GPIO argument from the calls and drop the code looking requesting a GPIO in fixed_phy_add(). In fixed phy_register(), investigate the "fixed-link" node and pick the GPIO descriptor from "link-gpios" if this property exists. Move the corresponding code out of of_mdio.c as the fixed phy code anyways requires OF to be in use. Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-04net/mlx5: Fix code style issue in mlx driverTonghao Zhang1-1/+2
Add the tab before '}' and keep the code style consistent. Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com> Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com> Acked-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-04sh_eth: offload RX checksum on SH7763Sergei Shtylyov1-0/+1
The SH7763 SoC manual describes the Ether MAC's RX checksum offload the same way as it's implemented in the EtherAVB MACs... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-04sh_eth: offload RX checksum on SH7734Sergei Shtylyov1-0/+1
The SH7734 SoC manual describes the Ether MAC's RX checksum offload the same way as it's implemented in the EtherAVB MACs... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-04sh_eth: offload RX checksum on R8A77980Sergei Shtylyov1-0/+1
The R-Car V3H (R8A77980) SoC manual describes the Ether MAC's RX checksum offload the same way as it's implemented in the EtherAVB MAC... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-04sh_eth: offload RX checksum on R8A7740Sergei Shtylyov1-0/+1
The R-Mobile A1 (R8A7740) SoC manual describes the Ether MAC's RX checksum offload the same way as it's implemented in the EtherAVB MAC... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-04sh_eth: offload RX checksum on R7S72100Sergei Shtylyov1-0/+1
The RZ/A1H (R7S721000) SoC manual describes the Ether MAC's RX checksum offload the same way as it's implemented in the EtherAVB MACs... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-04sh_eth: RX checksum offload supportSergei Shtylyov2-2/+59
Add support for the RX checksum offload. This is enabled by default and may be disabled and re-enabled using 'ethtool': # ethtool -K eth0 rx off # ethtool -K eth0 rx on Some Ether MACs provide a simple checksumming scheme which appears to be completely compatible with CHECKSUM_COMPLETE: sum of all packet data after the L2 header is appended to packet data; this may be trivially read by the driver and used to update the skb accordingly. The same checksumming scheme is implemented in the EtherAVB MACs and now supported by the 'ravb' driver. In terms of performance, throughput is close to gigabit line rate with the RX checksum offload both enabled and disabled. The 'perf' output, however, appears to indicate that significantly less time is spent in do_csum() -- this is as expected. Test results with RX checksum offload enabled: ~/netperf-2.2pl4# perf record -a ./netperf -t TCP_MAERTS -H 192.168.2.4 TCP MAERTS TEST to 192.168.2.4 Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^6bits/sec 131072 16384 16384 10.01 933.93 [ perf record: Woken up 8 times to write data ] [ perf record: Captured and wrote 1.955 MB perf.data (41940 samples) ] ~/netperf-2.2pl4# perf report Samples: 41K of event 'cycles:ppp', Event count (approx.): 9915302763 Overhead Command Shared Object Symbol 9.44% netperf [kernel.kallsyms] [k] __arch_copy_to_user 7.75% swapper [kernel.kallsyms] [k] _raw_spin_unlock_irq 6.31% swapper [kernel.kallsyms] [k] default_idle_call 5.89% swapper [kernel.kallsyms] [k] arch_cpu_idle 4.37% swapper [kernel.kallsyms] [k] tick_nohz_idle_exit 4.02% netperf [kernel.kallsyms] [k] _raw_spin_unlock_irq 2.52% netperf [kernel.kallsyms] [k] preempt_count_sub 1.81% netperf [kernel.kallsyms] [k] tcp_recvmsg 1.80% netperf [kernel.kallsyms] [k] _raw_spin_unlock_irqres 1.78% netperf [kernel.kallsyms] [k] preempt_count_add 1.36% netperf [kernel.kallsyms] [k] __tcp_transmit_skb 1.20% netperf [kernel.kallsyms] [k] __local_bh_enable_ip 1.10% netperf [kernel.kallsyms] [k] sh_eth_start_xmit Test results with RX checksum offload disabled: ~/netperf-2.2pl4# perf record -a ./netperf -t TCP_MAERTS -H 192.168.2.4 TCP MAERTS TEST to 192.168.2.4 Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^6bits/sec 131072 16384 16384 10.01 932.04 [ perf record: Woken up 14 times to write data ] [ perf record: Captured and wrote 3.642 MB perf.data (78817 samples) ] ~/netperf-2.2pl4# perf report Samples: 78K of event 'cycles:ppp', Event count (approx.): 18091442796 Overhead Command Shared Object Symbol 7.00% swapper [kernel.kallsyms] [k] do_csum 3.94% swapper [kernel.kallsyms] [k] sh_eth_poll 3.83% ksoftirqd/0 [kernel.kallsyms] [k] do_csum 3.23% swapper [kernel.kallsyms] [k] _raw_spin_unlock_irq 2.87% netperf [kernel.kallsyms] [k] __arch_copy_to_user 2.86% swapper [kernel.kallsyms] [k] arch_cpu_idle 2.13% swapper [kernel.kallsyms] [k] default_idle_call 2.12% ksoftirqd/0 [kernel.kallsyms] [k] sh_eth_poll 2.02% swapper [kernel.kallsyms] [k] _raw_spin_unlock_irqrestore 1.84% swapper [kernel.kallsyms] [k] __softirqentry_text_start 1.64% swapper [kernel.kallsyms] [k] tick_nohz_idle_exit 1.53% netperf [kernel.kallsyms] [k] _raw_spin_unlock_irq 1.32% netperf [kernel.kallsyms] [k] preempt_count_sub 1.27% swapper [kernel.kallsyms] [k] __pi___inval_dcache_area 1.22% swapper [kernel.kallsyms] [k] check_preemption_disabled 1.01% ksoftirqd/0 [kernel.kallsyms] [k] _raw_spin_unlock_irqrestore The above results collected on the R-Car V3H Starter Kit board. Based on the commit 4d86d3818627 ("ravb: RX checksum offload")... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-04sh_eth: rename sh_eth_cpu_data::hw_checksumSergei Shtylyov2-8/+8
Commit 62e04b7e0e3c ("sh_eth: rename 'sh_eth_cpu_data::hw_crc'") renamed the field to 'hw_checksum' for the Ether DMAC "intelligent checksum", however some Ether MACs implement a simpler checksumming scheme, so that name now seems misleading. Rename that field to 'csmr' as the "intelligent checksum" is always controlled by the CSMR register. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03socket: fix for Add SO_TIMESTAMP[NS]_NEWStephen Rothwell1-1/+1
Fixes: 887feae36aee ("socket: Add SO_TIMESTAMP[NS]_NEW") Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03netdevice.h: Add __cold to netdev_<level> logging functionsJoe Perches1-8/+8
Add __cold to the netdev_<level> logging functions similar to the use of __cold in the generic printk function. Using __cold moves all the netdev_<level> logging functions out-of-line possibly improving code locality and runtime performance. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03net: Fix fall through warning in y2038 tstamp changes.David S. Miller1-0/+1
net/core/sock.c: In function 'sock_setsockopt': net/core/sock.c:914:3: warning: this statement may fall through [-Wimplicit-fallthrough=] sock_set_flag(sk, SOCK_TSTAMP_NEW); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ net/core/sock.c:915:2: note: here case SO_TIMESTAMPING_OLD: ^~~~ Fixes: 9718475e6908 ("socket: Add SO_TIMESTAMPING_NEW") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03bpfilter: remove extra header search paths for bpfilter_umhMasahiro Yamada2-2/+1
Currently, the header search paths -Itools/include and -Itools/include/uapi are not used. Let's drop the unused code. We can remove -I. too by fixing up one C file. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03net: phy: aquantia: replace magic numbers with constantsHeiner Kallweit1-14/+66
Replace magic numbers with proper constants. The original patch is from Andrew, I extended / adjusted certain parts: - Use decimal bit numbers. The datasheet uses hex bit numbers 0 .. F. - Order defines from highest to lowest bit numbers - correct some typos - add constant MDIO_AN_TX_VEND_INT_MASK2_LINK - Remove few functional improvements from the patch, they will come as a separate patch. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03net: phy: aquantia: use macro PHY_ID_MATCH_MODELHeiner Kallweit1-18/+12
Make use of macro PHY_ID_MATCH_MODEL to simplify the code. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03net: phy: aquantia: remove unneeded includesHeiner Kallweit1-3/+0
Remove unneeded header includes. v2: - leave kernel.h in Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03net: phy: aquantia: Shorten name space prefix to aqr_Andrew Lunn1-32/+32
aquantia_ as a name space prefix is rather long, resulting in lots of lines needing wrapping, reducing readability. Use the prefix aqr_ instead, which fits with the vendor naming there devices aqr107, for example. v2: - add SoB from Heiner Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03net: Fix ip_mc_{dec,inc}_group allocation contextFlorian Fainelli3-14/+33
After 4effd28c1245 ("bridge: join all-snoopers multicast address"), I started seeing the following sleep in atomic warnings: [ 26.763893] BUG: sleeping function called from invalid context at mm/slab.h:421 [ 26.771425] in_atomic(): 1, irqs_disabled(): 0, pid: 1658, name: sh [ 26.777855] INFO: lockdep is turned off. [ 26.781916] CPU: 0 PID: 1658 Comm: sh Not tainted 5.0.0-rc4 #20 [ 26.787943] Hardware name: BCM97278SV (DT) [ 26.792118] Call trace: [ 26.794645] dump_backtrace+0x0/0x170 [ 26.798391] show_stack+0x24/0x30 [ 26.801787] dump_stack+0xa4/0xe4 [ 26.805182] ___might_sleep+0x208/0x218 [ 26.809102] __might_sleep+0x78/0x88 [ 26.812762] kmem_cache_alloc_trace+0x64/0x28c [ 26.817301] igmp_group_dropped+0x150/0x230 [ 26.821573] ip_mc_dec_group+0x1b0/0x1f8 [ 26.825585] br_ip4_multicast_leave_snoopers.isra.11+0x174/0x190 [ 26.831704] br_multicast_toggle+0x78/0xcc [ 26.835887] store_bridge_parm+0xc4/0xfc [ 26.839894] multicast_snooping_store+0x3c/0x4c [ 26.844517] dev_attr_store+0x44/0x5c [ 26.848262] sysfs_kf_write+0x50/0x68 [ 26.852006] kernfs_fop_write+0x14c/0x1b4 [ 26.856102] __vfs_write+0x60/0x190 [ 26.859668] vfs_write+0xc8/0x168 [ 26.863059] ksys_write+0x70/0xc8 [ 26.866449] __arm64_sys_write+0x24/0x30 [ 26.870458] el0_svc_common+0xa0/0x11c [ 26.874291] el0_svc_handler+0x38/0x70 [ 26.878120] el0_svc+0x8/0xc while toggling the bridge's multicast_snooping attribute dynamically. Pass a gfp_t down to igmpv3_add_delrec(), introduce __igmp_group_dropped() and introduce __ip_mc_dec_group() to take a gfp_t argument. Similarly introduce ____ip_mc_inc_group() and __ip_mc_inc_group() to allow caller to specify gfp_t. IPv6 part of the patch appears fine. Fixes: 4effd28c1245 ("bridge: join all-snoopers multicast address") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03net: devlink: report cell size of shared buffersJakub Kicinski5-0/+8
Shared buffer allocation is usually done in cell increments. Drivers will either round up the allocation or refuse the configuration if it's not an exact multiple of cell size. Drivers know exactly the cell size of shared buffer, so help out users by providing this information in dumps. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03sock: Add SO_RCVTIMEO_NEW and SO_SNDTIMEO_NEWDeepa Dinamani6-25/+83
Add new socket timeout options that are y2038 safe. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Cc: ccaulfie@redhat.com Cc: davem@davemloft.net Cc: deller@gmx.de Cc: paulus@samba.org Cc: ralf@linux-mips.org Cc: rth@twiddle.net Cc: cluster-devel@redhat.com Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-alpha@vger.kernel.org Cc: linux-arch@vger.kernel.org Cc: linux-mips@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: sparclinux@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03socket: Rename SO_RCVTIMEO/ SO_SNDTIMEO with _OLD suffixesDeepa Dinamani8-16/+28
SO_RCVTIMEO and SO_SNDTIMEO socket options use struct timeval as the time format. struct timeval is not y2038 safe. The subsequent patches in the series add support for new socket timeout options with _NEW suffix that will use y2038 safe data structures. Although the existing struct timeval layout is sufficiently wide to represent timeouts, because of the way libc will interpret time_t based on user defined flag, these new flags provide a way of having a structure that is the same for all architectures consistently. Rename the existing options with _OLD suffix forms so that the right option is enabled for userspace applications according to the architecture and time_t definition of libc. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Cc: ccaulfie@redhat.com Cc: deller@gmx.de Cc: paulus@samba.org Cc: ralf@linux-mips.org Cc: rth@twiddle.net Cc: cluster-devel@redhat.com Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-alpha@vger.kernel.org Cc: linux-arch@vger.kernel.org Cc: linux-mips@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: sparclinux@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03socket: Update timestamping DocumentationDeepa Dinamani1-5/+38
With the new y2038 safe timestamping options added, update the documentation to reflect the changes. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03socket: Add SO_TIMESTAMPING_NEWDeepa Dinamani12-30/+88
Add SO_TIMESTAMPING_NEW variant of socket timestamp options. This is the y2038 safe versions of the SO_TIMESTAMPING_OLD for all architectures. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Cc: chris@zankel.net Cc: fenghua.yu@intel.com Cc: rth@twiddle.net Cc: tglx@linutronix.de Cc: ubraun@linux.ibm.com Cc: linux-alpha@vger.kernel.org Cc: linux-arch@vger.kernel.org Cc: linux-ia64@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-s390@vger.kernel.org Cc: linux-xtensa@linux-xtensa.org Cc: sparclinux@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03socket: Add SO_TIMESTAMP[NS]_NEWDeepa Dinamani12-32/+171
Add SO_TIMESTAMP_NEW and SO_TIMESTAMPNS_NEW variants of socket timestamp options. These are the y2038 safe versions of the SO_TIMESTAMP_OLD and SO_TIMESTAMPNS_OLD for all architectures. Note that the format of scm_timestamping.ts[0] is not changed in this patch. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Cc: jejb@parisc-linux.org Cc: ralf@linux-mips.org Cc: rth@twiddle.net Cc: linux-alpha@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-parisc@vger.kernel.org Cc: linux-rdma@vger.kernel.org Cc: netdev@vger.kernel.org Cc: sparclinux@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03socket: Add struct __kernel_sock_timevalDeepa Dinamani1-0/+5
The new type is meant to be used as a y2038 safe structure to be used as part of cmsg data. Presently the SO_TIMESTAMP socket option uses struct timeval for timestamps. This is not y2038 safe. Subsequent patches in the series add new y2038 safe socket option to be used in the place of SO_TIMESTAMP_OLD. struct __kernel_sock_timeval will be used as the timestamp format at that time. struct __kernel_sock_timeval also maintains the same layout across 32 bit and 64 bit ABIs. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03socket: Use old_timeval types for socket timestampsDeepa Dinamani7-12/+12
As part of y2038 solution, all internal uses of struct timeval are replaced by struct __kernel_old_timeval and struct compat_timeval by struct old_timeval32. Make socket timestamps use these new types. This is mainly to be able to verify that the kernel build is y2038 safe when such non y2038 safe types are not supported anymore. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Cc: isdn@linux-pingi.de Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03arch: sparc: Override struct __kernel_old_timevalDeepa Dinamani2-0/+12
struct __kernel_old_timeval is supposed to have the same layout as struct timeval. But, it was inadvarently missed that __kernel_suseconds has a different definition for sparc64. Provide an asm-specific override that fixes it. Reported-by: Arnd Bergmann <arnd@arndb.de> Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Cc: sparclinux@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03sockopt: Rename SO_TIMESTAMP* to SO_TIMESTAMP*_OLDDeepa Dinamani12-57/+101
SO_TIMESTAMP, SO_TIMESTAMPNS and SO_TIMESTAMPING options, the way they are currently defined, are not y2038 safe. Subsequent patches in the series add new y2038 safe versions of these options which provide 64 bit timestamps on all architectures uniformly. Hence, rename existing options with OLD tag suffixes. Also note that kernel will not use the untagged SO_TIMESTAMP* and SCM_TIMESTAMP* options internally anymore. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Cc: deller@gmx.de Cc: dhowells@redhat.com Cc: jejb@parisc-linux.org Cc: ralf@linux-mips.org Cc: rth@twiddle.net Cc: linux-afs@lists.infradead.org Cc: linux-alpha@vger.kernel.org Cc: linux-arch@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-parisc@vger.kernel.org Cc: linux-rdma@vger.kernel.org Cc: sparclinux@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03arch: Use asm-generic/socket.h when possibleDeepa Dinamani9-366/+5
Many architectures maintain an arch specific copy of the file even though there are no differences with the asm-generic one. Allow these architectures to use the generic one instead. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Max Filippov <jcmvbkbc@gmail.com> Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Willem de Bruijn <willemb@google.com> Cc: chris@zankel.net Cc: fenghua.yu@intel.com Cc: tglx@linutronix.de Cc: schwidefsky@de.ibm.com Cc: linux-ia64@vger.kernel.org Cc: linux-xtensa@linux-xtensa.org Cc: linux-s390@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03socket: move compat timeout handling into sock.cArnd Bergmann3-89/+46
This is a cleanup to prepare for the addition of 64-bit time_t in O_SNDTIMEO/O_RCVTIMEO. The existing compat handler seems unnecessarily complex and error-prone, moving it all into the main setsockopt()/getsockopt() implementation requires half as much code and is easier to extend. 32-bit user space can now use old_timeval32 on both 32-bit and 64-bit machines, while 64-bit code can use __old_kernel_timeval. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03selftests: add missing include unistdDeepa Dinamani1-0/+1
Compiling rxtimestamp.c generates error messages due to non-existing declaration for write() library call. Add missing unistd.h include to provide the declaration and silence the error. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03cxgb4/cxgb4vf: Program hash region for {t4/t4vf}_change_mac()Arjun Vynipadath4-40/+136
{t4/t4_vf}_change_mac() API's were only doing additions to MPS_TCAM. This will fail, when the number of tcam entries is limited particularly in vf's. This fix programs hash region with the mac address, when TCAM addtion fails for {t4/t4vf}_change_mac(). Since the locally maintained driver list for hash entries is shared across mac_{sync/unsync}(), added an extra parameter if_mac to track the address added thorugh {t4/t4vf}_change_mac() Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03ipv4/igmp: Don't drop IGMP pkt with zeros src addrEdward Chron1-1/+2
Don't drop IGMP packets with a source address of all zeros which are IGMP proxy reports. This is documented in Section 2.1.1 IGMP Forwarding Rules of RFC 4541 IGMP and MLD Snooping Switches Considerations. Signed-off-by: Edward Chron <echron@arista.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03net: phy: realtek: add generic Realtek PHY driverHeiner Kallweit1-0/+9
The integrated PHY's of later RTL8168 network chips report the generic PHYID 0x001cc800 (Realtek OUI, model and revision number both set to zero) and therefore currently the genphy driver is used. To be able to use the paged version of e.g. phy_write() we need a PHY driver with the read_page and write_page callbacks implemented. So basically make a copy of the genphy driver, just with the read_page and write_page callbacks being set. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-02atheros: atl2: fix an indentaion issue on a return statementColin Ian King1-1/+1
A return statment is not indented correctly, fix this by adding an extra tab. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-02atl1c: fix indentation issue on an if statementColin Ian King1-4/+4
An if statement is indented one level too deep, fix this by removing the extra tabs. Also add some spaces to the dev_warn arguments to clean up checkpatch warnings. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-02bna: fix indentation issue on call to bfa_ioc_pf_failedColin Ian King1-1/+1
The call to bfa_ioc_pf_failed is indented too far, fix this by removing a tab. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-02chelsio: clean up indentation issueColin Ian King1-2/+1
The assignment to size is indented too far, fix this and join two lines into one. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-02net: nixge: Update device-tree bindings with v3.00Alex Williams1-4/+12
Now the DMA engine is free to float elsewhere in the system map. Signed-off-by: Alex Williams <alex.williams@ni.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-02net: nixge: Separate ctrl and dma resourcesAlex Williams1-16/+58
The DMA engine is a separate entity altogether, and this allows the DMA controller's address to float elsewhere in the FPGA's map. Signed-off-by: Alex Williams <alex.williams@ni.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-02r8169: remove rtl_wol_pll_power_downHeiner Kallweit1-12/+4
rtl_wol_pll_power_down() is used in only one place and removing it makes the code simpler and better readable. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-02net: hns3: MAC table entry count function increases operation 0 value protection measuresliuzhongzhu1-2/+5
When updating the available MAC VLAN table counts, MAC VLAN table entry count function adds operation 0 value protection measures. Signed-off-by: liuzhongzhu <liuzhongzhu@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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