- 10 May, 2018 16 commits
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Eran Ben Elisha authored
If supported, write a driver version string to FW as part of the INIT_HCA command. Example of driver version: "Linux,mlx4_core,4.0-0" Signed-off-by:
Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by:
Tariq Toukan <tariqt@mellanox.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Vivien Didelot authored
Commit 161d82de ("net: bridge: Notify about !added_by_user FDB entries") causes the below oops when bringing up a slave interface, because dsa_port_fdb_add is still scheduled, but with a NULL address. To fix this, keep the dsa_slave_switchdev_event function agnostic of the notified info structure and handle the added_by_user flag in the specific dsa_slave_switchdev_event_work function. [ 75.512263] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 75.519063] pgd = (ptrval) [ 75.520545] [00000000] *pgd=00000000 [ 75.522839] Internal error: Oops: 17 [#1] ARM [ 75.525898] Modules linked in: [ 75.527673] CPU: 0 PID: 9 Comm: kworker/u2:1 Not tainted 4.17.0-rc2 #78 [ 75.532988] Hardware name: Freescale Vybrid VF5xx/VF6xx (Device Tree) [ 75.538153] Workqueue: dsa_ordered dsa_slave_switchdev_event_work [ 75.542970] PC is at mv88e6xxx_port_db_load_purge+0x60/0x1b0 [ 75.547341] LR is at mdiobus_read_nested+0x6c/0x78 [ 75.550833] pc : [<804cd5c0>] lr : [<804bba84>] psr: 60070013 [ 75.555796] sp : 9f54bd78 ip : 9f54bd87 fp : 9f54bddc [ 75.559719] r10: 00000000 r9 : 0000000e r8 : 9f6a6010 [ 75.563643] r7 : 00000000 r6 : 81203048 r5 : 9f6a6010 r4 : 9f6a601c [ 75.568867] r3 : 00000000 r2 : 00000000 r1 : 0000000d r0 : 00000000 [ 75.574094] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 75.579933] Control: 10c53c7d Table: 9de20059 DAC: 00000051 [ 75.584384] Process kworker/u2:1 (pid: 9, stack limit = 0x(ptrval)) [ 75.589349] Stack: (0x9f54bd78 to 0x9f54c000) [ 75.592406] bd60: 00000000 00000000 [ 75.599295] bd80: 00000391 9f299d10 9f299d68 8014317c 9f7f0000 8120af00 00006dc2 00000000 [ 75.606186] bda0: 8120af00 00000000 9f54bdec 1c9f5d92 8014317c 9f6a601c 9f6a6010 00000000 [ 75.613076] bdc0: 00000000 00000000 9dd1141c 8125a0b4 9f54be0c 9f54bde0 804cd8a8 804cd56c [ 75.619966] bde0: 0000000e 80143680 00000001 9dce9c1c 81203048 9dce9c10 00000003 00000000 [ 75.626858] be00: 9f54be5c 9f54be10 806abcac 804cd864 9f54be54 80143664 8014317c 80143054 [ 75.633748] be20: ffcaa81d 00000000 812030b0 1c9f5d92 00000000 81203048 9f54beb4 00000003 [ 75.640639] be40: ffffffff 00000000 9dd1141c 8125a0b4 9f54be84 9f54be60 80138e98 806abb18 [ 75.647529] be60: 81203048 9ddc4000 9dce9c54 9f72a300 00000000 00000000 9f54be9c 9f54be88 [ 75.654420] be80: 801390bc 80138e50 00000000 9dce9c54 9f54beac 9f54bea0 806a9524 801390a0 [ 75.661310] bea0: 9f54bedc 9f54beb0 806a9c7c 806a950c 9f54becc 00000000 00000000 00000000 [ 75.668201] bec0: 9f540000 1c9f5d92 805fe604 9ddffc00 9f54befc 9f54bee0 806ab228 806a9c38 [ 75.675092] bee0: 806ab178 9ddffc00 9f4c1900 9f40d200 9f54bf34 9f54bf00 80131e30 806ab184 [ 75.681983] bf00: 9f40d214 9f54a038 9f40d200 9f40d200 9f4c1918 812119a0 9f40d214 9f54a038 [ 75.688873] bf20: 9f40d200 9f4c1900 9f54bf7c 9f54bf38 80132124 80131d1c 9f5f2dd8 00000000 [ 75.695764] bf40: 812119a0 9f54a038 812119a0 81259c5b 9f5f2dd8 9f5f2dc0 9f53dbc0 00000000 [ 75.702655] bf60: 9f4c1900 801320b4 9f5f2dd8 9f4f7e88 9f54bfac 9f54bf80 80137ad0 801320c0 [ 75.709544] bf80: 9f54a000 9f53dbc0 801379a0 00000000 00000000 00000000 00000000 00000000 [ 75.716434] bfa0: 00000000 9f54bfb0 801010e8 801379ac 00000000 00000000 00000000 00000000 [ 75.723324] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 75.730206] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [ 75.737083] Backtrace: [ 75.738252] [<804cd560>] (mv88e6xxx_port_db_load_purge) from [<804cd8a8>] (mv88e6xxx_port_fdb_add+0x50/0x68) [ 75.746795] r10:8125a0b4 r9:9dd1141c r8:00000000 r7:00000000 r6:00000000 r5:9f6a6010 [ 75.753323] r4:9f6a601c [ 75.754570] [<804cd858>] (mv88e6xxx_port_fdb_add) from [<806abcac>] (dsa_switch_event+0x1a0/0x660) [ 75.762238] r8:00000000 r7:00000003 r6:9dce9c10 r5:81203048 r4:9dce9c1c [ 75.767655] [<806abb0c>] (dsa_switch_event) from [<80138e98>] (notifier_call_chain+0x54/0x94) [ 75.774893] r10:8125a0b4 r9:9dd1141c r8:00000000 r7:ffffffff r6:00000003 r5:9f54beb4 [ 75.781423] r4:81203048 [ 75.782672] [<80138e44>] (notifier_call_chain) from [<801390bc>] (raw_notifier_call_chain+0x28/0x30) [ 75.790514] r9:00000000 r8:00000000 r7:9f72a300 r6:9dce9c54 r5:9ddc4000 r4:81203048 [ 75.796982] [<80139094>] (raw_notifier_call_chain) from [<806a9524>] (dsa_port_notify+0x24/0x38) [ 75.804483] [<806a9500>] (dsa_port_notify) from [<806a9c7c>] (dsa_port_fdb_add+0x50/0x6c) [ 75.811371] [<806a9c2c>] (dsa_port_fdb_add) from [<806ab228>] (dsa_slave_switchdev_event_work+0xb0/0x10c) [ 75.819635] r4:9ddffc00 [ 75.820885] [<806ab178>] (dsa_slave_switchdev_event_work) from [<80131e30>] (process_one_work+0x120/0x3a4) [ 75.829241] r6:9f40d200 r5:9f4c1900 r4:9ddffc00 r3:806ab178 [ 75.833612] [<80131d10>] (process_one_work) from [<80132124>] (worker_thread+0x70/0x574) [ 75.840415] r10:9f4c1900 r9:9f40d200 r8:9f54a038 r7:9f40d214 r6:812119a0 r5:9f4c1918 [ 75.846945] r4:9f40d200 [ 75.848191] [<801320b4>] (worker_thread) from [<80137ad0>] (kthread+0x130/0x160) [ 75.854300] r10:9f4f7e88 r9:9f5f2dd8 r8:801320b4 r7:9f4c1900 r6:00000000 r5:9f53dbc0 [ 75.860830] r4:9f5f2dc0 [ 75.862076] [<801379a0>] (kthread) from [<801010e8>] (ret_from_fork+0x14/0x2c) [ 75.867999] Exception stack(0x9f54bfb0 to 0x9f54bff8) [ 75.871753] bfa0: 00000000 00000000 00000000 00000000 [ 75.878640] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 75.885519] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 75.890844] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:801379a0 [ 75.897377] r4:9f53dbc0 r3:9f54a000 [ 75.899663] Code: e3a02000 e3a03000 e14b26f4 e24bc055 (e5973000) [ 75.904575] ---[ end trace fbca818a124dbf0d ]--- Fixes: 816a3bed ("switchdev: Add fdb.added_by_user to switchdev notifications") Signed-off-by:
Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by:
Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by:
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Jon Maloy authored
In commit be47e41d ("tipc: fix use-after-free in tipc_nametbl_stop") we fixed a problem caused by premature release of service range items. That fix is correct, and solved the problem. However, it doesn't address the root of the problem, which is that we don't lookup the tipc_service -> service_range -> publication items in the correct hierarchical order. In this commit we try to make this right, and as a side effect obtain some code simplification. Acked-by:
Ying Xue <ying.xue@windriver.com> Signed-off-by:
Jon Maloy <jon.maloy@ericsson.com> Signed-off-by:
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Kirill Tkhai authored
Since net ns of tun device is assigned on the device creation, and it never changes, we do not need to use any lock to get it from alive tun. Signed-off-by:
Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by:
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David S. Miller authored
Davidlohr Bueso says: ==================== net: Update static keys to modern api The following patches update pretty much all core net static key users to the modern api. Changes are mostly trivial conversion without affecting any semantics. The motivation is a resend of patches 1 and 2 from a while[1] back, and the rest are added patches, specific for -net. Applies against today's linux-next. Compile tested only. [1] lkml.kernel.org/r/20180326210929.5244-1-dave@stgolabs.net ==================== Signed-off-by: -
Davidlohr Bueso authored
No changes in refcount semantics -- key init is false; replace static_key_enable with static_branch_enable static_key_slow_inc|dec with static_branch_inc|dec static_key_false with static_branch_unlikely Added a '_key' suffix to udp and udpv6 encap_needed, for better self documentation. Signed-off-by:
Davidlohr Bueso <dbueso@suse.de> Signed-off-by:
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Davidlohr Bueso authored
No changes in refcount semantics -- key init is false; replace static_key_slow_inc|dec with static_branch_inc|dec static_key_false with static_branch_unlikely Added a '_key' suffix to generic_xdp_needed, for better self documentation. Signed-off-by:
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Davidlohr Bueso authored
No changes in refcount semantics -- key init is false; replace static_key_slow_inc|dec with static_branch_inc|dec static_key_false with static_branch_unlikely Added a '_key' suffix to netstamp_needed, for better self documentation. Signed-off-by:
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Davidlohr Bueso authored
No changes in semantics -- key init is false; replace static_key_slow_inc|dec with static_branch_inc|dec static_key_false with static_branch_unlikely Added a '_key' suffix to both ingress_needed and egress_needed, for better self documentation. Signed-off-by:
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Davidlohr Bueso authored
No changes in refcount semantics -- key init is false; replace static_key_slow_inc|dec with static_branch_inc|dec static_key_false with static_branch_unlikely Added a '_key' suffix to memalloc_socks, for better self documentation. Signed-off-by:
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Davidlohr Bueso authored
No changes in refcount semantics -- key init is false; replace static_key_slow_inc|dec with static_branch_inc|dec static_key_false with static_branch_unlikely Signed-off-by:
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Marek Behún authored
The 88E6141/6341 switches (also known as Topaz) have 1 SGMII lane, which can be configured the same way as the SERDES lane on 88E6390. Signed-off-by:
Marek Behun <marek.behun@nic.cz> Signed-off-by:
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Jose Abreu authored
This adds support for U32 filter by using an HW only feature called Flexible RX Parser. This allow us to match any given packet field with a pattern and accept/reject or even route the packet to a specific DMA channel. Right now we only support acception or rejection of frame and we only support simple rules. Though, the Parser has the flexibility of jumping to specific rules as an if condition so complex rules can be established. This is only supported in GMAC5.10+. The following commands can be used to test this code: 1) Setup an ingress qdisk: # tc qdisc add dev eth0 handle ffff: ingress 2) Setup a filter (e.g. filter by IP): # tc filter add dev eth0 parent ffff: protocol ip u32 match ip \ src 192.168.0.3 skip_sw action drop In every tests performed we always used the "skip_sw" flag to make sure only the RX Parser was involved. Signed-off-by:
Jose Abreu <joabreu@synopsys.com> Cc: David S. Miller <davem@davemloft.net> Cc: Joao Pinto <jpinto@synopsys.com> Cc: Vitor Soares <soares@synopsys.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Jakub Kicinski <kubakici@wp.pl> Signed-off-by:
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Yunsheng Lin authored
This patch adds support of hardware rx-vlan-offload to VF driver. VF uses mailbox to convey PF to configure the hardware. Signed-off-by:
Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by:
Peng Li <lipeng321@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
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Nisar Sayed authored
Add driver for Microchip LAN87XX T1 PHYs This patch support driver for Microchp T1 PHYs. There will be followup patches to this driver to support T1 PHY features such as cable diagnostics, signal quality indicator(SQI), sleep and wakeup (TC10) support. Signed-off-by:
Nisar Sayed <Nisar.Sayed@microchip.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linuxDavid S. Miller authored
Saeed Mahameed says: ==================== mlx5-updates-2018-05-07 mlx5 core driver misc cleanups and updates: - fix spelling mistake: "modfiy" -> "modify" - Cleanup unused field in Work Queue parameters - dump_command mailbox length printed - Refactor num of blocks in mailbox calculation - Decrease level of prints about non-existent MKEY - remove some extraneous spaces in indentations ==================== Signed-off-by:
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- 09 May, 2018 9 commits
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David S. Miller authored
Alexander Duyck says: ==================== UDP GSO Segmentation clean-ups This patch set addresses a number of issues I found while sorting out enabling UDP GSO Segmentation support for ixgbe/ixgbevf. Specifically there were a number of issues related to the checksum and such that seemed to cause either minor irregularities or kernel panics in the case of the offload request being allowed to traverse between name spaces. With this set applied I am was able to get UDP GSO traffic to pass over vxlan tunnels in both offloaded modes and non-offloaded modes for ixgbe and ixgbevf. I submitted the driver specific patches earlier as an RFC: https://patchwork.ozlabs.org/project/netdev/list/?series=42477&archive=both&state=* v2: Updated patches based on feedback from Eric Dumazet Split first patch into several patches based on feedback from Eric v3: Drop patch that was calling pskb_may_pull as it was redundant. Added code to use MANGLED_0 in case of UDP checksum Drop patch adding NETIF_F_GSO_UDP_L4 to list of GSO software offloads Added Acked-by for patches reviewed by Willem and not changed ==================== Signed-off-by:
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Alexander Duyck authored
This patch makes it so that if a destructor is not present we avoid trying to update the skb socket or any reference counting that would be associated with the NULL socket and/or descriptor. By doing this we can support traffic coming from another namespace without any issues. Acked-by:
Willem de Bruijn <willemb@google.com> Signed-off-by:
Alexander Duyck <alexander.h.duyck@intel.com> Reviewed-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
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Alexander Duyck authored
This patch adds support for a software provided checksum and GSO_PARTIAL segmentation support. With this we can offload UDP segmentation on devices that only have partial support for tunnels. Since we are no longer needing the hardware checksum we can drop the checks in the segmentation code that were verifying if it was present. Signed-off-by:
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Alexander Duyck authored
This patch allows us to take care of unrolling the first segment and the last segment of the loop for processing the segmented skb. Part of the motivation for this is that it makes it easier to process the fact that the first fame and all of the frames in between should be mostly identical in terms of header data, and the last frame has differences in the length and partial checksum. In addition I am dropping the header length calculation since we don't really need it for anything but the last frame and it can be easily obtained by just pulling the data_len and offset of tail from the transport header. Signed-off-by:
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Alexander Duyck authored
This patch is meant to allow us to avoid having to recompute the checksum from scratch and have it passed as a parameter. Instead of taking that approach we can take advantage of the fact that the length that was used to compute the existing checksum is included in the UDP header. Finally to avoid the need to invert the result we can just call csum16_add and csum16_sub directly. By doing this we can avoid a number of instructions in the loop that is handling segmentation. Signed-off-by:
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Alexander Duyck authored
There is no point in passing MSS as a parameter for for the GSO segmentation call as it is already available via the shared info for the skb itself. Reviewed-by:
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Alexander Duyck authored
We need to record the number of segments that will be generated when this frame is segmented. The expectation is that if gso_size is set then gso_segs is set as well. Without this some drivers such as ixgbe get confused if they attempt to offload this as they record 0 segments for the entire packet instead of the correct value. Reviewed-by:
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Fabio Estevam authored
If the example binding is used on a real dts file, the following DTC warning is seen with W=1: arch/arm/boot/dts/imx6q-b450v3.dtb: Warning (avoid_unnecessary_addr_size): /mdio-gpio/switch@0: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property Remove unnecessary #address-cells/#size-cells to improve the binding document examples. Signed-off-by:
Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by:
Rob Herring <robh@kernel.org> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Antoine Tenart authored
When computing the bitrate using values read from an SFP module EEPROM, we use the nominal BR plus BR,min and BR,max to determine the boundaries. But in some cases BR,min and BR,max aren't provided, which led the SFP code to end up having the nominal value for both the minimum and maximum bitrate values. When using a passive cable, the nominal value should be used as the maximum one, and there is no minimum one so we should use 0. Signed-off-by:
Antoine Tenart <antoine.tenart@bootlin.com> Acked-by:
Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by:
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- 08 May, 2018 15 commits
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David S. Miller authored
Michael Chan says: ==================== bnxt_en: Fixes for net-next. This series includes a bug fix for a regression in firmware message polling introduced recently on net-next. There are 3 additional minor fixes for unsupported link speed checking, VF MAC address handling, and setting PHY eeprom length. ==================== Signed-off-by: -
Michael Chan authored
The current code already forwards the VF MAC address to the PF, except in one case. If the VF driver gets a valid MAC address from the firmware during probe time, it will not forward the MAC address to the PF, incorrectly assuming that the PF already knows the MAC address. This causes "ip link show" to show zero VF MAC addresses for this case. This assumption is not correct. Newer firmware remembers the VF MAC address last used by the VF and provides it to the VF driver during probe. So we need to always forward the VF MAC address to the PF. The forwarded MAC address may now be the PF assigned MAC address and so we need to make sure we approve it for this case. Signed-off-by:
Michael Chan <michael.chan@broadcom.com> Signed-off-by:
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Vasundhara Volam authored
For SFP+ modules, 0xA2 page is available only when Diagnostic Monitoring Type [Address A0h, Byte 92] is implemented. Extend bnxt_get_module_info(), to read optical diagnostics support at offset 92(0x5c) and set eeprom_len length to ETH_MODULE_SFF_8436_LEN (to exclude A2 page), if dianostics is not supported. Also in bnxt_get_module_info(), module id is read from offset 0x5e which is not correct. It was working by accident, as offset was not effective without setting enables flag in the firmware request. SFP module id is present at location 0. Fix this by removing the offset and read it from location 0. Signed-off-by:
Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by:
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Michael Chan authored
Only non-NPAR PFs need to actively check and manage unsupported link speeds. NPAR functions and VFs do not control the link speed and should skip the unsupported speed detection logic, to avoid warning messages from firmware rejecting the unsupported firmware calls. Signed-off-by:
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Michael Chan authored
A recent change to reduce delay granularity waiting for firmware reponse has caused a regression. With a tighter delay loop, the driver may see the beginning part of the response faster. The original 5 usec delay to wait for the rest of the message is not long enough and some messages are detected as invalid. Increase the maximum wait time from 5 usec to 20 usec. Also, fix the debug message that shows the total delay time for the response when the message times out. With the new logic, the delay time is not fixed per iteration of the loop, so we define a macro to show the total delay time. Fixes: 9751e8e7 ("bnxt_en: reduce timeout on initial HWRM calls") Signed-off-by:
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Zhao Chen authored
This patch adds PCI device IDs to support 25GE and 100GE card: 1. Add device id 0x0201 for HINIC 100GE dual port card. 2. Add device id 0x0200 for HINIC 25GE dual port card. 3. Macro of device id 0x1822 is modified for HINIC 25GE quad port card. Signed-off-by:
Zhao Chen <zhaochen6@huawei.com> Signed-off-by:
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Paolo Abeni authored
This change fixes a couple of type mismatch reported by the sparse tool, explicitly using the requested type for the offending arguments. Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Acked-by:
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Paolo Abeni authored
When the core networking needs to detect the transport offset in a given packet and parse it explicitly, a full-blown flow_keys struct is used for storage. This patch introduces a smaller keys store, rework the basic flow dissect helper to use it, and apply this new helper where possible - namely in skb_probe_transport_header(). The used flow dissector data structures are renamed to match more closely the new role. The above gives ~50% performance improvement in micro benchmarking around skb_probe_transport_header() and ~30% around eth_get_headlen(), mostly due to the smaller memset. Small, but measurable improvement is measured also in macro benchmarking. v1 -> v2: use the new helper in eth_get_headlen() and skb_get_poff(), as per DaveM suggestion Suggested-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-nextDavid S. Miller authored
Minor conflict in ip_output.c, overlapping changes to the body of an if() statement. Signed-off-by: -
David S. Miller authored
Tariq Toukan says: ==================== net/ipv6 misc This patchset contains two patches for net/ipv6. Patch 1 is a trivial typo fix in documentation. Patch 2 by Eran is a re-spin. It adds GRO support for IPv6 GRE tunnel, this significantly improves performance in case GRO in native interface is disabled. ==================== Signed-off-by: -
Eran Ben Elisha authored
Add GRO capability for IPv6 GRE tunnel and ip6erspan tap, via gro_cells infrastructure. Performance testing: 55% higher badwidth. Measuring bandwidth of 1 thread IPv4 TCP traffic over IPv6 GRE tunnel while GRO on the physical interface is disabled. CPU: Intel Xeon E312xx (Sandy Bridge) NIC: Mellanox Technologies MT27700 Family [ConnectX-4] Before (GRO not working in tunnel) : 2.47 Gbits/sec After (GRO working in tunnel) : 3.85 Gbits/sec Signed-off-by:
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Tariq Toukan authored
Fix 'an' into 'and', and use a comma instead of a period. Signed-off-by:
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David S. Miller authored
Sudarsana Reddy Kalluru says: ==================== qed*: Add support for new multi partitioning modes. The patch series simplifies the multi function (MF) mode implementation of qed/qede drivers, and adds support for new MF modes. Please consider applying it to net-next branch. ==================== Signed-off-by: -
Sudarsana Reddy Kalluru authored
This patch adds driver changes for supporting the Unified Fabric Port (UFP). This is a new paritioning mode wherein MFW provides the set of parameters to be used by the device such as traffic class, outer-vlan tag value, priority type etc. Drivers receives this info via notifications from mfw and configures the hardware accordingly. Signed-off-by:
Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com> Signed-off-by:
Ariel Elior <ariel.elior@cavium.com> Signed-off-by:
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Sudarsana Reddy Kalluru authored
The patch adds support for new Multi function mode wherein the traffic classification is done based on the 802.1ad tagging and the outer vlan tag provided by the management firmware. Signed-off-by:
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