- 02 Aug, 2017 26 commits
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stephen hemminger authored
Add some background documentation on netvsc device options and limitations. Signed-off-by:
Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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stephen hemminger authored
This patch implements transparent fail over from synthetic NIC to SR-IOV virtual function NIC in Hyper-V environment. It is a better alternative to using bonding as is done now. Instead, the receive and transmit fail over is done internally inside the driver. Using bonding driver has lots of issues because it depends on the script being run early enough in the boot process and with sufficient information to make the association. This patch moves all that functionality into the kernel. Signed-off-by:
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Amitoj Kaur Chawla authored
Functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. These attribute_group structures do not change at runtime so mark them as const. File size before: text data bss dec hex filename 35740 28424 832 64996 fde4 drivers/atm/solos-pci.o File size after: text data bss dec hex filename 35932 28232 832 64996 fde4 drivers/atm/solos-pci.o This change was made with the help of Coccinelle. Signed-off-by:
Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by:
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Amitoj Kaur Chawla authored
Functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. These attribute_group structures do not change at runtime so mark them as const. File size before: text data bss dec hex filename 2033 1448 0 3481 d99 drivers/atm/adummy.o File size after: text data bss dec hex filename 2129 1352 0 3481 d99 drivers/atm/adummy.o This change was made with the help of Coccinelle. Signed-off-by:
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Derek Chickles authored
The file /sys/devices/pci000.../sriov_totalvfs is showing a wrong value. Fix it by calling pci_sriov_set_totalvfs() to set the total number of VFs available after calculations for the number of PF and VF queues are made. Signed-off-by:
Derek Chickles <derek.chickles@cavium.com> Signed-off-by:
Raghu Vatsavayi <raghu.vatsavayi@cavium.com> Signed-off-by:
Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by:
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Florian Fainelli authored
DSA slave network devices maintain a pair of bytes and packets counters for each directions, but these are not 64-bit capable. Re-use pcpu_sw_netstats which contains exactly what we need for that purpose and update the code path to report 64-bit capable statistics. Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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WANG Cong authored
They are introduced by commit f70ea018 ("net: Add functions to get skb->hash based on flow structures") but never gets used in tree. Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
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Eric Dumazet authored
Commit c13ee2a4 ("tcp: reindent two spots after prequeue removal") removed code in tcp_data_queue(). We can go a little farther, removing an always true test, and removing initializers for fragstolen and eaten variables. Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Florian Westphal <fw@strlen.de> Signed-off-by:
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Arnd Bergmann authored
The last patch added the dependency on 'OF && HAS_IOMEM' but left COMPILE_TEST as an alternative, which kind of defeats the purpose of adding the dependency, we still get randconfig build warnings: warning: (NET_DSA_BCM_SF2 && BCMGENET) selects MDIO_BCM_UNIMAC which has unmet direct dependencies (NETDEVICES && MDIO_BUS && HAS_IOMEM && OF_MDIO) For compile-testing purposes, we don't really need this anyway, as CONFIG_OF can be enabled on all architectures, and HAS_IOMEM is present on all architectures we do meaningful compile-testing on (the exception being arch/um). This makes both OF and HAS_IOMEM hard dependencies. Fixes: 5af74bb4 ("net: bcmgenet: Add dependency on HAS_IOMEM && OF") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Reviewed-by:
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Joe Perches authored
Repeated dereference of nvmsg.msg.v1_msg.send_rndis_pkt can be shortened by using a temporary. Do so. No change in object code. Miscellanea: o Use * const for rpkt and nvchan Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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David S. Miller authored
Vivien Didelot says: ==================== net: dsa: rework EEE support EEE implies configuring the port's PHY and MAC of both ends of the wire. The current EEE support in DSA mixes PHY and MAC configuration, which is bad because PHYs must be configured through a proper PHY driver. The DSA switch operations for EEE are only meant for configuring the port's MAC, which are integrated in the Ethernet switch device. This patchset fixes the EEE support in qca8k driver, makes the DSA layer call phy_init_eee for all drivers, and remove the EEE support from the mv88e6xxx driver since the Marvell PHY driver should be enough for it. Changes in v2: - make PHY device and DSA EEE ops mandatory for slave EEE operations. - simply return 0 in drivers which don't need to do anything to configure the port' MAC. Subsequent PHY calls will be enough. ==================== Signed-off-by: -
Vivien Didelot authored
To avoid confusion with the PHY EEE settings, rename the .set_eee and .get_eee ops to respectively .set_mac_eee and .get_mac_eee. Signed-off-by:
Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Signed-off-by:
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Vivien Didelot authored
The PHY's EEE settings are already accessed by the DSA layer through the Marvell PHY driver and there is nothing to be done for switch's MACs. Remove all EEE support from the mv88e6xxx driver and simply return 0 from the EEE ops. Signed-off-by:
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Vivien Didelot authored
The DSA switch operations for EEE are only meant to configure a port's MAC EEE settings. The port's PHY EEE settings are accessed by the DSA layer and must be made available via a proper PHY driver. In order to reduce this confusion, remove the phy_device argument from the .set_eee operation. Signed-off-by:
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Vivien Didelot authored
All DSA drivers are calling phy_init_eee if eee_enabled is true. Move up this statement in the DSA layer to simplify the DSA drivers. qca8k does not require to cache the ethtool_eee structures from now on. Signed-off-by:
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Vivien Didelot authored
It is safer to init the EEE before the DSA layer call phy_ethtool_set_eee, as sf2 and qca8k are doing. Signed-off-by:
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Vivien Didelot authored
The SF2 driver is masking the supported bitfield of its private copy of the ports' ethtool_eee structures. It is used nowhere, thus remove it. Signed-off-by:
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Vivien Didelot authored
phy_ethtool_get_eee is already called by the DSA layer, thus remove the duplicated call in the qca8k driver. Signed-off-by:
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Vivien Didelot authored
The qca8k driver is currently caching a bitfield of the supported member of a ethtool_eee private structure, which is unused. Only the eee_enabled field of the private ethtool_eee copy is updated, thus using p->advertised and p->lp_advertised is also erroneous. Remove the usage of these private ethtool_eee members and only rely on phy_ethtool_get_eee to assign the eee_active member. Signed-off-by:
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Vivien Didelot authored
If EEE is queried enabled, qca8k_set_eee calls qca8k_eee_enable_set twice (because it is already called in qca8k_eee_init). Fix that. Signed-off-by:
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Vivien Didelot authored
The qca8k obviously copied code from the sf2 driver as how to set EEE: if (e->eee_enabled) { p->eee_enabled = qca8k_eee_init(ds, port, phydev); if (!p->eee_enabled) ret = -EOPNOTSUPP; } But it did not use the same logic for the EEE init routine, which is "Returns 0 if EEE was not enabled, or 1 otherwise". This results in returning -EOPNOTSUPP on success and caching EEE enabled on failure. This patch fixes the returned value of qca8k_eee_init. Signed-off-by: -
Vivien Didelot authored
The port's PHY and MAC are both implied in EEE. The current code does not call the PHY operations if the related device is NULL. Change that by returning -ENODEV if there's no PHY device attached to the interface. Signed-off-by:
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David S. Miller authored
Niklas Söderlund says: ==================== ravb: add wake-on-lan support via magic packet WoL is enabled in the suspend callback by setting MagicPacket detection and disabling all interrupts expect MagicPacket. In the resume path the driver needs to reset the hardware to rearm the WoL logic, this prevents the driver from simply restoring the registers and to take advantage of that ravb was not suspended to reduce resume time. To reset the hardware the driver closes the device, sets it in reset mode and reopens the device just like it would do in a normal suspend/resume scenario without WoL enabled, but it both closes and opens the device in the resume callback since the device needs to be reset for WoL to work. One quirk needed for WoL is that the module clock needs to be prevented from being switched off by Runtime PM. To keep the clock alive the suspend callback need to call clk_enable() directly to increase the usage count of the clock. Then when Runtime PM decreases the clock usage count it won't reach 0 and be switched off. Changes since v2 - Only do the clock dance to workaround PSCI sleep when resuming if WoL is enabled. This was a bug in v2 which resulted in a WARN if resuming from PSCI sleep with WoL disabled, thanks Sergei for pointing this out! - Break out clock dance workaround in separate patch to make it easier to revert once a fix is upstream for the clock driver as suggested by Sergei. Changes since v1 - Fix issue where device would fail to resume from PSCI suspend if WoL was enabled, reported by Geert. The fault was that the clock driver thinks the clock is on, but PSCI have disabled it, added workaround for this in ravb driver which can be removed once the clock driver is aware of the PSCI behavior. - Only try to restore from wol wake up if netif is running, since this is a condition to enable wol in the first place this was a bug in v1. ==================== Signed-off-by: -
Niklas Söderlund authored
The renesas-cpg-mssr clock driver are not yet aware of PSCI sleep where power is cut to the SoC. When resuming from this state with WoL enabled the enable count of the ravb clock is 1 and the clock driver thinks the clock is already on when PM core enables the clock and increments the enable count to 2. This will result in the ravb driver failing to talk to the hardware since the module clock is off. Work around this by forcing the enable count to 0 and then back to 2 when resuming with WoL enabled. This workaround should be reverted once the renesas-cpg-mssr clock driver becomes aware of this PSCI sleep behavior. Signed-off-by:
Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Acked-by:
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by:
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Niklas Söderlund authored
WoL is enabled in the suspend callback by setting MagicPacket detection and disabling all interrupts expect MagicPacket. In the resume path the driver needs to reset the hardware to rearm the WoL logic, this prevents the driver from simply restoring the registers and to take advantage of that ravb was not suspended to reduce resume time. To reset the hardware the driver closes the device, sets it in reset mode and reopens the device just like it would do in a normal suspend/resume scenario without WoL enabled, but it both closes and opens the device in the resume callback since the device needs to be reset for WoL to work. One quirk needed for WoL is that the module clock needs to be prevented from being switched off by Runtime PM. To keep the clock alive the suspend callback need to call clk_enable() directly to increase the usage count of the clock. Then when Runtime PM decreases the clock usage count it won't reach 0 and be switched off. Signed-off-by:
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David S. Miller authored
Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next Johan Hedberg says: ==================== pull request: bluetooth-next 2017-08-01 Here's our first batch of Bluetooth patches for the 4.14 kernel: - Several new USB IDs for the btusb driver - Memory leak fix in btusb driver - Cleanups & fixes to hci_nokia, hci_serdev and hci_bcm drivers - Fixed cleanup path in mrf24j40 (802.15.4) driver probe function - A few other smaller cleanups & fixes to drivers Please let me know if there are any issues pulling. Thanks. ==================== Signed-off-by:
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- 01 Aug, 2017 14 commits
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Willem de Bruijn authored
Skb frags may contain compound pages. Various operations map frags temporarily using kmap_atomic, but this function works on single pages, not whole compound pages. The distinction is only relevant for high mem pages that require temporary mappings. Introduce a looping mechanism that for compound highmem pages maps one page at a time, does not change behavior on other pages. Use the loop in the kmap_atomic callers in net/core/skbuff.c. Verified by triggering skb_copy_bits with tcpdump -n -c 100 -i ${DEV} -w /dev/null & netperf -t TCP_STREAM -H ${HOST} and by triggering __skb_checksum with ethtool -K ${DEV} tx off repeated the tests with looping on a non-highmem platform (x86_64) by making skb_frag_must_loop always return true. Signed-off-by:Willem de Bruijn <willemb@google.com> Signed-off-by:
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David S. Miller authored
Sean Wang says: ==================== net-next: mediatek: add support for ethernet on MT7622 SoC Changes since v2: - update John's mail Changes since v1: - add refinement for ethernet clock management - take out the code block for ESW, add it until ESW driver is actually introduced The series adds the driver for ethernet controller found on MT7622 SoC. There are additions against with previous MT7623 SoC such as shared SGMII given for the dual GMACs and built-in 5-ports 10/100 embedded switch support (ESW). Thus more clocks consumers and SGMII hardware setup for the extra features are all introduced here and as for the support for ESW that would be planned to add in the separate patch integrating with DSA infrastructure in the future. Currently testing successfully is done with those patches for the conditions such as GMAC2 with IP1001 PHY via RGMII and GMAC1/2 with RTL8211F PHY via SGMII. ==================== Signed-off-by: -
Sean Wang authored
Sean and Nelson work for MediaTek on maintaining the MediaTek ethernet driver for the existing SoCs and adding support for the following SoCs. In the past, Sean has been active at making most of the qualifications , stress test and submitting a lot of patches for the driver while Nelson was looking into the aspects more on hardware additions and details such as introducing PDMA with Hardware LRO to the driver. Also update John's up-to-date mail address in the patch. Cc: John Crispin <john@phrozen.org> Signed-off-by:
Sean Wang <sean.wang@mediatek.com> Signed-off-by:
Nelson Chang <nelson.chang@mediatek.com> Acked-by:
John Crispin <john@phrozen.org> Signed-off-by:
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Sean Wang authored
This patch adds the driver for ethernet controller on MT7622 SoC. It has the similar handling logic as the previously MT7623 does, but there are additions against with MT7623 SoC, the shared SGMII given for the dual GMACs and including 5-ports 10/100 embedded switch support (ESW) as the GMAC1 option, thus more clocks consumers for the extra feature are introduced here. So for ease portability and maintenance, those differences all are being kept inside the platform data as other drivers usually do. Currently testing successfully is done with those patches for the conditions such as GMAC2 with IP1001 PHY via RGMII and GMAC1/2 with RTL8211F PHY via SGMII. Signed-off-by:
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Sean Wang authored
This patch is the preparation patch in order to adapt into various hardware through adding platform data which holds specific characteristics among MediaTek SoCs and introducing the unified clock handler for those distinct clock requirements depending on different features such as TRGMII and SGMII getting support on the target SoC. And finally, add enhancement with given the generic description for Kconfig and remove the unnecessary machine type dependency in Makefile. Signed-off-by:
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Sean Wang authored
The patch adds the supplements in the dt-binding document for MediaTek MT7622 SoC with extra SGMII system controller and relevant clock consumers listed as the requirements for those SoCs equipped with the SGMII circuit. Also, add the missing binding information for MT7623 SoC here which relies on the fallback binding of MT2701. Signed-off-by:
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David S. Miller authored
Tom Herbert says: ==================== net: Infrastructure changes for [kz]proxy This patch set contains some general infrastructure enhancements that will be used by kernel proxy and zero proxy. The changes are: - proto_ops: Add locked versions of sendmsg and sendpage - skb_send_sock: Allow sending and skb on a socket within the kernel - Generalize strparser. Allow it to be used in other contexts than just in the read_sock path. This will be used in the transmit path of zero proxy. Some nice future work (which I've been discussing with John Fastabend) will be to make some of the related functions to allow gifting of skbs We should be able to do that with skb_send_sock and strp_process. I'd also like this feature in the read_sock callbeck. Tested: Ran modified kernel without incident. Tested new functionality using zero proxy (in development). ==================== Signed-off-by: -
Tom Herbert authored
Generalize strparser from more than just being used in conjunction with read_sock. strparser will also be used in the send path with zero proxy. The primary change is to create strp_process function that performs the critical processing on skbs. The documentation is also updated to reflect the new uses. Signed-off-by:
Tom Herbert <tom@quantonium.net> Signed-off-by:
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Tom Herbert authored
Add skb_send_sock to send an skbuff on a socket within the kernel. Arguments include an offset so that an skbuf might be sent in mulitple calls (e.g. send buffer limit is hit). Signed-off-by:
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Tom Herbert authored
Add new proto_ops sendmsg_locked and sendpage_locked that can be called when the socket lock is already held. Correspondingly, add kernel_sendmsg_locked and kernel_sendpage_locked as front end functions. These functions will be used in zero proxy so that we can take the socket lock in a ULP sendmsg/sendpage and then directly call the backend transport proto_ops functions. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller authored
Two minor conflicts in virtio_net driver (bug fix overlapping addition of a helper) and MAINTAINERS (new driver edit overlapping revamp of PHY entry). Signed-off-by: -
David S. Miller authored
Julia Lawall says: ==================== Revert "ipv6: constify inet6_protocol structures" inet6_add_protocol and inet6_del_protocol include casts that remove the effect of the const annotation on their parameter, leading to possible runtime crashes. ==================== Signed-off-by: -
Julia Lawall authored
This reverts commit d04916a4. inet6_add_protocol and inet6_del_protocol include casts that remove the effect of the const annotation on their parameter, leading to possible runtime crashes. Reported-by:
Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by:
Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by:
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Julia Lawall authored
This reverts commit 3a3a4e30. inet6_add_protocol and inet6_del_protocol include casts that remove the effect of the const annotation on their parameter, leading to possible runtime crashes. Reported-by:
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