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2019-07-09net: netsec: start using buffers if page_pool registration succeededIlias Apalodimas1-8/+9
The current driver starts using page_pool buffers before calling xdp_rxq_info_reg_mem_model(). Start using the buffers after the registration succeeded, so we won't have to call page_pool_request_shutdown() in case of failure Fixes: 5c67bf0ec4d0 ("net: netsec: Use page_pool API") Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09Merge tag 'docs-5.3' of git://git.lwn.net/linuxLinus Torvalds2-4/+4
Pull Documentation updates from Jonathan Corbet: "It's been a relatively busy cycle for docs: - A fair pile of RST conversions, many from Mauro. These create more than the usual number of simple but annoying merge conflicts with other trees, unfortunately. He has a lot more of these waiting on the wings that, I think, will go to you directly later on. - A new document on how to use merges and rebases in kernel repos, and one on Spectre vulnerabilities. - Various improvements to the build system, including automatic markup of function() references because some people, for reasons I will never understand, were of the opinion that :c:func:``function()`` is unattractive and not fun to type. - We now recommend using sphinx 1.7, but still support back to 1.4. - Lots of smaller improvements, warning fixes, typo fixes, etc" * tag 'docs-5.3' of git://git.lwn.net/linux: (129 commits) docs: automarkup.py: ignore exceptions when seeking for xrefs docs: Move binderfs to admin-guide Disable Sphinx SmartyPants in HTML output doc: RCU callback locks need only _bh, not necessarily _irq docs: format kernel-parameters -- as code Doc : doc-guide : Fix a typo platform: x86: get rid of a non-existent document Add the RCU docs to the core-api manual Documentation: RCU: Add TOC tree hooks Documentation: RCU: Rename txt files to rst Documentation: RCU: Convert RCU UP systems to reST Documentation: RCU: Convert RCU linked list to reST Documentation: RCU: Convert RCU basic concepts to reST docs: filesystems: Remove uneeded .rst extension on toctables scripts/sphinx-pre-install: fix out-of-tree build docs: zh_CN: submitting-drivers.rst: Remove a duplicated Documentation/ Documentation: PGP: update for newer HW devices Documentation: Add section about CPU vulnerabilities for Spectre Documentation: platform: Delete x86-laptop-drivers.txt docs: Note that :c:func: should no longer be used ...
2019-07-09net: stmmac: Introducing support for Page PoolJose Abreu3-144/+70
Mapping and unmapping DMA region is an high bottleneck in stmmac driver, specially in the RX path. This commit introduces support for Page Pool API and uses it in all RX queues. With this change, we get more stable troughput and some increase of banwidth with iperf: - MAC1000 - 950 Mbps - XGMAC: 9.22 Gbps Changes from v3: - Use page_pool_destroy() (Ilias) Changes from v2: - Uncoditionally call page_pool_free() (Jesper) Changes from v1: - Use page_pool_get_dma_addr() (Jesper) - Add a comment (Jesper) - Add page_pool_free() call (Jesper) - Reintroduce sync_single_for_device (Arnd / Ilias) Signed-off-by: Jose Abreu <joabreu@synopsys.com> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09net: stmmac: Fix descriptors address being in > 32 bits address spaceJose Abreu7-22/+26
Commit a993db88d17d ("net: stmmac: Enable support for > 32 Bits addressing in XGMAC"), introduced support for > 32 bits addressing in XGMAC but the conversion of descriptors to dma_addr_t was left out. As some devices assing coherent memory in regions > 32 bits we need to set lower and upper value of descriptors address when initializing DMA channels. Luckly, this was working for me because I was assigning CMA to < 4GB address space for performance reasons. Fixes: a993db88d17d ("net: stmmac: Enable support for > 32 Bits addressing in XGMAC") Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09net: stmmac: Implement RX Coalesce Frames settingJose Abreu4-8/+20
Add support for coalescing RX path by specifying number of frames which don't need to have interrupt on completion bit set. This is only available when RX Watchdog is enabled. Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09bnxt_en: Add page_pool_destroy() during RX ring cleanup.Michael Chan1-6/+2
Add page_pool_destroy() in bnxt_free_rx_rings() during normal RX ring cleanup, as Ilias has informed us that the following commit has been merged: 1da4bbeffe41 ("net: core: page_pool: add user refcnt and reintroduce page_pool_destroy") The special error handling code to call page_pool_free() can now be removed. bnxt_free_rx_rings() will always be called during normal shutdown or any error paths. Fixes: 322b87ca55f2 ("bnxt_en: add page_pool support") Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org> Cc: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Acked-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-09net/mlx5e: Register devlink ports for physical link, PCI PF, VFsParav Pandit2-31/+78
Register devlink port of physical port, PCI PF and PCI VF flavour for each PF, VF when a given devlink instance is in switchdev mode. Implement ndo_get_devlink_port callback API to make use of registered devlink ports. This eliminates ndo_get_phys_port_name() and ndo_get_port_parent_id() callbacks. Hence, remove them. An example output with 2 VFs, without a PF and single uplink port is below. $devlink port show pci/0000:06:00.0/65535: type eth netdev ens2f0 flavour physical pci/0000:05:00.0/1: type eth netdev eth1 flavour pcivf pfnum 0 vfnum 0 pci/0000:05:00.0/2: type eth netdev eth2 flavour pcivf pfnum 0 vfnum 1 Reviewed-by: Roi Dayan <roid@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08nfp: tls: undo TLS sequence tracking when dropping the frameJakub Kicinski1-0/+23
If driver has to drop the TLS frame it needs to undo the TCP sequence tracking changes, otherwise device will receive segments out of order and drop them. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08nfp: tls: avoid one of the ifdefs for TLSJakub Kicinski1-4/+2
Move the #ifdef CONFIG_TLS_DEVICE a little so we can eliminate the other one. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08nfp: tls: don't leave key material in freed FW cmsg skbsJakub Kicinski1-1/+15
Make sure the contents of the skb which carried key material to the FW is cleared. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net/tls: don't clear TX resync flag on errorDirk van der Merwe2-7/+14
Introduce a return code for the tls_dev_resync callback. When the driver TX resync fails, kernel can retry the resync again until it succeeds. This prevents drivers from attempting to offload TLS packets if the connection is known to be out of sync. We don't worry about the RX resync since they will be retried naturally as more encrypted records get received. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08nfp: tls: count TSO segments separately for the TLS offloadJakub Kicinski1-1/+4
Count the number of successfully submitted TLS segments, not skbs. This will make it easier to compare the TLS encryption count against other counters. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08nfp: ccm: increase message limitsDirk van der Merwe1-3/+3
Increase the batch limit to consume small message bursts more effectively. Practically, the effect on the 'add' messages is not significant since the mailbox is sized such that the 'add' messages are still limited to the same order of magnitude that it was originally set for. Furthermore, increase the queue size limit to 1024 entries. This further improves the handling of bursts of small control messages. Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08nfp: tls: use unique connection ids instead of 4-tuple for TXJakub Kicinski3-14/+34
Connection 4 tuple reuse is slightly problematic - TLS socket and context do not get destroyed until all the associated skbs left the system and all references are released. This leads to stale connection entry in the device preventing addition of new one if the 4 tuple is reused quickly enough. Instead of using read 4 tuple as the key use a unique ID. Set the protocol to TCP and port to 0 to ensure no collisions with real connections. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08nfp: tls: move setting ipver_vlan to a helperJakub Kicinski1-6/+10
Long lines are ugly. No functional changes. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08nfp: tls: ignore queue limits for delete commandsJakub Kicinski3-10/+24
We need to do our best not to drop delete commands, otherwise we will have stale entries in the connection table. Ignore the control message queue limits for delete commands. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller18-44/+101
Two cases of overlapping changes, nothing fancy. Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: pasemi: fix an use-after-free in pasemi_mac_phy_init()Wen Yang1-1/+1
The phy_dn variable is still being used in of_phy_connect() after the of_node_put() call, which may result in use-after-free. Fixes: 1dd2d06c0459 ("net: Rework pasemi_mac driver to use of_mdio infrastructure") Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> Cc: "David S. Miller" <davem@davemloft.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: axienet: fix a potential double free in axienet_probe()Wen Yang1-1/+0
There is a possible use-after-free issue in the axienet_probe(): 1701: np = of_parse_phandle(pdev->dev.of_node, "axistream-connected", 0); 1702: if (np) { ... 1787: of_node_put(np); ---> released here 1788: lp->eth_irq = platform_get_irq(pdev, 0); 1789: } else { ... 1801: } 1802: if (IS_ERR(lp->dma_regs)) { ... 1805: of_node_put(np); ---> double released here 1806: goto free_netdev; 1807: } We solve this problem by removing the unnecessary of_node_put(). Fixes: 28ef9ebdb64c ("net: axienet: make use of axistream-connected attribute optional") Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> Cc: Anirudha Sarangi <anirudh@xilinx.com> Cc: John Linn <John.Linn@xilinx.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Michal Simek <michal.simek@xilinx.com> Cc: Robert Hancock <hancock@sedsystems.ca> Cc: netdev@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Robert Hancock <hancock@sedsystems.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: stmmac: enable clause 45 mdio supportKweh Hock Leong1-8/+35
DWMAC4 is capable to support clause 45 mdio communication. This patch enable the feature on stmmac_mdio_write() and stmmac_mdio_read() by following phy_write_mmd() and phy_read_mmd() mdiobus read write implementation format. Reviewed-by: Li, Yifan <yifan2.li@intel.com> Signed-off-by: Kweh Hock Leong <hock.leong.kweh@intel.com> Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com> Signed-off-by: Voon Weifeng <weifeng.voon@intel.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: mvpp2: cls: Add support for ETHER_FLOWMaxime Chevallier1-0/+2
Users can specify classification actions based on the 'ether' flow type. In that case, this will apply to all ethernet traffic, superseeding flows such as 'udp4' or 'tcp6'. Add support for this flow type in the PPv2 classifier, by mapping the ETHER_FLOW value to the corresponding entries in the classifier. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: mvpp2: cls: Report an error for unsupported flow typesMaxime Chevallier1-0/+4
Add a missing check to detect flow types that we don't support, so that user can be informed of this. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08nfp: tls: fix error return code in nfp_net_tls_add()Wei Yongjun1-0/+1
Fix to return negative error code -EINVAL from the error handling case instead of 0, as done elsewhere in this function. Fixes: 1f35a56cf586 ("nfp: tls: add/delete TLS TX connections") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08bnxt_en: add page_pool supportAndy Gospodarek4-7/+47
This removes contention over page allocation for XDP_REDIRECT actions by adding page_pool support per queue for the driver. The performance for XDP_REDIRECT actions scales linearly with the number of cores performing redirect actions when using the page pools instead of the standard page allocator. v2: Fix up the error path from XDP registration, noted by Ilias Apalodimas. Signed-off-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08bnxt_en: optimized XDP_REDIRECT supportAndy Gospodarek4-10/+140
This adds basic support for XDP_REDIRECT in the bnxt_en driver. Next patch adds the more optimized page pool support. Signed-off-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08bnxt_en: Refactor __bnxt_xmit_xdp().Michael Chan4-13/+28
__bnxt_xmit_xdp() is used by XDP_TX and ethtool loopback packet transmit. Refactor it so that it can be re-used by the XDP_REDIRECT logic. Restructure the TX interrupt handler logic to cleanly separate XDP_TX logic in preparation for XDP_REDIRECT. Acked-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08bnxt_en: rename some xdp functionsAndy Gospodarek3-7/+7
Renaming bnxt_xmit_xdp to __bnxt_xmit_xdp to get ready for XDP_REDIRECT support and reduce confusion/namespace collision. Signed-off-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: ethernet: ti: cpsw: add XDP supportIvan Khoronzhuk4-59/+488
Add XDP support based on rx page_pool allocator, one frame per page. Page pool allocator is used with assumption that only one rx_handler is running simultaneously. DMA map/unmap is reused from page pool despite there is no need to map whole page. Due to specific of cpsw, the same TX/RX handler can be used by 2 network devices, so special fields in buffer are added to identify an interface the frame is destined to. Thus XDP works for both interfaces, that allows to test xdp redirect between two interfaces easily. Also, each rx queue have own page pools, but common for both netdevs. XDP prog is common for all channels till appropriate changes are added in XDP infrastructure. Also, once page_pool recycling becomes part of skb netstack some simplifications can be added, like removing page_pool_release_page() before skb receive. In order to keep rx_dev while redirect, that can be somehow used in future, do flush in rx_handler, that allows to keep rx dev the same while redirect. It allows to conform with tracing rx_dev pointed by Jesper. Also, there is probability, that XDP generic code can be extended to support multi ndev drivers like this one, using same rx queue for several ndevs, based on switchdev for instance or else. In this case, driver can be modified like exposed here: https://lkml.org/lkml/2019/7/3/243 Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: ethernet: ti: cpsw_ethtool: allow res split while downIvan Khoronzhuk1-2/+1
That's possible to set channel num while interfaces are down. When interface gets up it should resplit budget. This resplit can happen after phy is up but only if speed is changed, so should be set before this, for this allow it to happen while changing number of channels, when interfaces are down. Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: ethernet: ti: davinci_cpdma: allow desc split while downIvan Khoronzhuk3-9/+28
That's possible to set ring params while interfaces are down. When interface gets up it uses number of descs to fill rx queue and on later on changes to create rx pools. Usually, this resplit can happen after phy is up, but it can be needed before this, so allow it to happen while setting number of rx descs, when interfaces are down. Also, if no dependency on intf state, move it to cpdma layer, where it should be. Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: ethernet: ti: davinci_cpdma: add dma mapped submitIvan Khoronzhuk2-10/+83
In case if dma mapped packet needs to be sent, like with XDP page pool, the "mapped" submit can be used. This patch adds dma mapped submit based on regular one. Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: core: page_pool: add user refcnt and reintroduce page_pool_destroyIvan Khoronzhuk2-8/+4
Jesper recently removed page_pool_destroy() (from driver invocation) and moved shutdown and free of page_pool into xdp_rxq_info_unreg(), in-order to handle in-flight packets/pages. This created an asymmetry in drivers create/destroy pairs. This patch reintroduce page_pool_destroy and add page_pool user refcnt. This serves the purpose to simplify drivers error handling as driver now drivers always calls page_pool_destroy() and don't need to track if xdp_rxq_info_reg_mem_model() was unsuccessful. This could be used for a special cases where a single RX-queue (with a single page_pool) provides packets for two net_device'es, and thus needs to register the same page_pool twice with two xdp_rxq_info structures. This patch is primarily to ease API usage for drivers. The recently merged netsec driver, actually have a bug in this area, which is solved by this API change. This patch is a modified version of Ivan Khoronzhuk's original patch. Link: https://lore.kernel.org/netdev/20190625175948.24771-2-ivan.khoronzhuk@linaro.org/ Fixes: 5c67bf0ec4d0 ("net: netsec: Use page_pool API") Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Reviewed-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08macb: fix build warning for !CONFIG_OFArnd Bergmann1-2/+2
When CONFIG_OF is disabled, we get a harmless warning about the newly added variable: drivers/net/ethernet/cadence/macb_main.c:48:39: error: 'mgmt' defined but not used [-Werror=unused-variable] static struct sifive_fu540_macb_mgmt *mgmt; Move the variable closer to its use inside of the #ifdef. Fixes: c218ad559020 ("macb: Add support for SiFive FU540-C000") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08gve: fix unused variable/label warningsArnd Bergmann1-33/+33
On unusual page sizes, we get harmless warnings: drivers/net/ethernet/google/gve/gve_rx.c:283:6: error: unused variable 'pagecount' [-Werror,-Wunused-variable] drivers/net/ethernet/google/gve/gve_rx.c:336:1: error: unused label 'have_skb' [-Werror,-Wunused-label] Change the preprocessor #if to regular if() to avoid this. Fixes: f5cedc84a30d ("gve: Add transmit and receive support") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: stmmac: Re-work the queue selection for TSO packetsJose Abreu1-10/+18
Ben Hutchings says: "This is the wrong place to change the queue mapping. stmmac_xmit() is called with a specific TX queue locked, and accessing a different TX queue results in a data race for all of that queue's state. I think this commit should be reverted upstream and in all stable branches. Instead, the driver should implement the ndo_select_queue operation and override the queue mapping there." Fixes: c5acdbee22a1 ("net: stmmac: Send TSO packets always from Queue 0") Suggested-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08sfc: Remove 'PCIE error reporting unavailable'Martin Habets1-5/+1
This is only at notice level but it was pointed out that no other driver does this. Also there is no action the user can take as it is really a property of the server. Signed-off-by: Martin Habets <mhabets@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-08net: netsec: Sync dma for device on buffer allocationIlias Apalodimas1-3/+1
cd1973a9215a ("net: netsec: Sync dma for device on buffer allocation") was merged on it's v1 instead of the v3. Merge the proper patch version Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-07hinic: add fw version queryXue Chaojing4-0/+54
This patch adds firmware version query in ethtool -i. Signed-off-by: Xue Chaojing <xuechaojing@huawei.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-07gve: Fix error return code in gve_alloc_qpls()Wei Yongjun1-1/+3
Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: f5cedc84a30d ("gve: Add transmit and receive support") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-07net: nixge: Fix misuse of strlcpyJoe Perches1-1/+1
Probable cut&paste typo - use the correct field size. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-07net: ethernet: sun4i-emac: Fix misuse of strlcpyJoe Perches1-2/+2
Probable cut&paste typo - use the correct field size. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-07r8169: sync few chip names with vendor driverHeiner Kallweit1-4/+4
This patch syncs the name of few chip versions with the latest vendor driver version. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-05net/mlx5e: Add kTLS TX HW offload supportTariq Toukan14-7/+748
Add support for transmit side kernel-TLS acceleration. Offload the crypto encryption to HW. Per TLS connection: - Use a separate TIS to maintain the HW context. - Use a separate encryption key. - Maintain static and progress HW contexts by posting the proper WQEs at creation time, or upon resync. - Use a special DUMP opcode to replay the previous frags and sync the HW context. To make sure the SQ is able to serve an xmit request, increase SQ stop room to cover: - static params WQE, - progress params WQE, and - resync DUMP per frag. Currently supporting TLS 1.2, and key size 128bit. Tested over SimX simulator. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-05net/mlx5e: Introduce a fenced NOP WQE posting functionTariq Toukan1-0/+18
Similar to the existing mlx5e_post_nop(), but marks a fence in the WQE control segment. Added as a separate new function to not hurt the performance of the common case. To be used in a downstream patch of the series. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Reviewed-by: Boris Pismenny <borisp@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-05net/mlx5e: Re-work TIS creation functionsTariq Toukan5-11/+27
Let the EN TIS creation function (mlx5e_create_tis) be responsible for applying common mdev related fields. Other specific fields must be set by the caller and passed within the inbox. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Reviewed-by: Boris Pismenny <borisp@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-05net/mlx5e: Tx, Unconstify SQ stop roomTariq Toukan4-17/+21
Use an SQ field for stop_room, and use the larger value only if TLS is supported. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-05net/mlx5e: Tx, Don't implicitly assume SKB-less wqe has one WQEBBEran Ben Elisha1-2/+2
When polling a CQE of an SKB-less WQE, don't assume it consumed only one WQEBB. Use wi->num_wqebbs directly instead. In the downstream patch, SKB-less WQEs might have more the one WQEBB, thus this change is needed. Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-05net/mlx5e: Tx, Make SQ WQE fetch function type genericTariq Toukan3-8/+10
Change mlx5e_sq_fetch_wqe to be agnostic to the Work Queue Element (WQE) type. Before this patch, it was specific for struct mlx5e_tx_wqe. In order to allow the change, the function now returns the generic void pointer, and gets the WQE size to do the zero memset. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-05net/mlx5e: Tx, Enforce L4 inline copy when neededTariq Toukan2-1/+9
When ctrl->tisn field exists, this indicates an operation (HW offload) on the TCP payload. For such WQEs, inline the headers up to L4. This is in preparation for kTLS HW offload support, added in a downstream patch. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-05net/mlx5e: Move helper functions to a new txrx datapath headerTariq Toukan8-153/+170
Take datapath helper functions to a new header file en/txrx.h. Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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