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2019-09-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller1-2/+8
r8152 conflicts are the NAPI fixes in 'net' overlapping with some tasklet stuff in net-next Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-30amd-xgbe: Fix error path in xgbe_mod_init()YueHaibing1-2/+8
In xgbe_mod_init(), we should do cleanup if some error occurs Reported-by: Hulk Robot <hulkci@huawei.com> Fixes: efbaa828330a ("amd-xgbe: Add support to handle device renaming") Fixes: 47f164deab22 ("amd-xgbe: Add PCI device support") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-21amd-xgbe: use devm_platform_ioremap_resource() to simplify codeYueHaibing1-11/+8
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-10xgbe: no need to check return value of debugfs_create functionsGreg Kroah-Hartman1-76/+31
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. This cleans up a lot of unneeded code and logic around the debugfs files, making all of this much simpler and easier to understand. Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: netdev@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-30net: Remove dev_err() usage after platform_get_irq()Stephen Boyd1-11/+3
We don't need dev_err() messages when platform_get_irq() fails now that platform_get_irq() prints an error message itself when something goes wrong. Let's remove these prints with a simple semantic patch. // <smpl> @@ expression ret; struct platform_device *E; @@ ret = ( platform_get_irq(E, ...) | platform_get_irq_byname(E, ...) ); if ( \( ret < 0 \| ret <= 0 \) ) { ( -if (ret != -EPROBE_DEFER) -{ ... -dev_err(...); -... } | ... -dev_err(...); ) ... } // </smpl> While we're here, remove braces on if statements that only have one statement (manually). Cc: "David S. Miller" <davem@davemloft.net> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: Saeed Mahameed <saeedm@mellanox.com> Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Cc: Felix Fietkau <nbd@nbd.name> Cc: Lorenzo Bianconi <lorenzo@kernel.org> Cc: netdev@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-22net: Use skb accessors in network driversMatthew Wilcox (Oracle)2-2/+2
In preparation for unifying the skb_frag and bio_vec, use the fine accessors which already exist and use skb_frag_t instead of struct skb_frag_struct. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-26amd-xgbe: Mark expected switch fall-throughsGustavo A. R. Silva1-3/+3
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warnings: In file included from drivers/net/ethernet/amd/xgbe/xgbe-drv.c:129: drivers/net/ethernet/amd/xgbe/xgbe-drv.c: In function ‘xgbe_set_hwtstamp_settings’: drivers/net/ethernet/amd/xgbe/xgbe-common.h:1392:9: warning: this statement may fall through [-Wimplicit-fallthrough=] (_var) |= (((_val) & ((0x1 << (_width)) - 1)) << (_index)); \ ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/amd/xgbe/xgbe-common.h:1419:2: note: in expansion of macro ‘SET_BITS’ SET_BITS((_var), \ ^~~~~~~~ drivers/net/ethernet/amd/xgbe/xgbe-drv.c:1614:3: note: in expansion of macro ‘XGMAC_SET_BITS’ XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1); ^~~~~~~~~~~~~~ drivers/net/ethernet/amd/xgbe/xgbe-drv.c:1616:2: note: here case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: ^~~~ In file included from drivers/net/ethernet/amd/xgbe/xgbe-drv.c:129: drivers/net/ethernet/amd/xgbe/xgbe-common.h:1392:9: warning: this statement may fall through [-Wimplicit-fallthrough=] (_var) |= (((_val) & ((0x1 << (_width)) - 1)) << (_index)); \ ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/amd/xgbe/xgbe-common.h:1419:2: note: in expansion of macro ‘SET_BITS’ SET_BITS((_var), \ ^~~~~~~~ drivers/net/ethernet/amd/xgbe/xgbe-drv.c:1625:3: note: in expansion of macro ‘XGMAC_SET_BITS’ XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1); ^~~~~~~~~~~~~~ drivers/net/ethernet/amd/xgbe/xgbe-drv.c:1627:2: note: here case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: ^~~~ In file included from drivers/net/ethernet/amd/xgbe/xgbe-drv.c:129: drivers/net/ethernet/amd/xgbe/xgbe-common.h:1392:9: warning: this statement may fall through [-Wimplicit-fallthrough=] (_var) |= (((_val) & ((0x1 << (_width)) - 1)) << (_index)); \ ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/amd/xgbe/xgbe-common.h:1419:2: note: in expansion of macro ‘SET_BITS’ SET_BITS((_var), \ ^~~~~~~~ drivers/net/ethernet/amd/xgbe/xgbe-drv.c:1636:3: note: in expansion of macro ‘XGMAC_SET_BITS’ XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1); ^~~~~~~~~~~~~~ drivers/net/ethernet/amd/xgbe/xgbe-drv.c:1638:2: note: here case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: ^~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 Notice that, in this particular case, the code comments are modified in accordance with what GCC is expecting to find. This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-01net: move skb->xmit_more hint to softnet dataFlorian Westphal1-1/+1
There are two reasons for this. First, the xmit_more flag conceptually doesn't fit into the skb, as xmit_more is not a property related to the skb. Its only a hint to the driver that the stack is about to transmit another packet immediately. Second, it was only done this way to not have to pass another argument to ndo_start_xmit(). We can place xmit_more in the softnet data, next to the device recursion. The recursion counter is already written to on each transmit. The "more" indicator is placed right next to it. Drivers can use the netdev_xmit_more() helper instead of skb->xmit_more to check the "more packets coming" hint. skb->xmit_more is retained (but always 0) to not cause build breakage. This change takes care of the simple s/skb->xmit_more/netdev_xmit_more()/ conversions. Remaining drivers are converted in the next patches. Suggested-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-17amd-xgbe: Fix mdio access for non-zero ports and clause 45 PHYsLendacky, Thomas2-8/+16
The XGBE hardware has support for performing MDIO operations using an MDIO command request. The driver mistakenly uses the mdio port address as the MDIO command request device address instead of the MDIO command request port address. Additionally, the driver does not properly check for and create a clause 45 MDIO command. Check the supplied MDIO register to determine if the request is a clause 45 operation (MII_ADDR_C45). For a clause 45 operation, extract the device address and register number from the supplied MDIO register and use them to set the MDIO command request device address and register number fields. For a clause 22 operation, the MDIO request device address is set to zero and the MDIO command request register number is set to the supplied MDIO register. In either case, the supplied MDIO port address is used as the MDIO command request port address. Fixes: 732f2ab7afb9 ("amd-xgbe: Add support for MDIO attached PHYs") Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Tested-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-11net: ethernet: Convert phydev advertize and supported from u32 to link modeAndrew Lunn1-17/+24
There are a few MAC/PHYs combinations which now support > 1Gbps. These may need to make use of link modes with bits > 31. Thus their supported PHY features or advertised features cannot be implemented using the current bitmap in a u32. Convert to using a linkmode bitmap, which can support all the currently devices link modes, and is future proof as more modes are added. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-25drivers: net: remove <net/busy_poll.h> inclusion when not neededEric Dumazet1-1/+0
Drivers using generic NAPI interface no longer need to include <net/busy_poll.h>, since busy polling was moved to core networking stack long ago. See commit 79e7fff47b7b ("net: remove support for per driver ndo_busy_poll()") for reference. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-01net: ethernet: xgbe: expand PHY_GBIT_FEAUTRESAndrew Lunn1-4/+6
The macro PHY_GBIT_FEAUTRES needs to change into a bitmap in order to support link_modes. Remove its use from xgde by replacing it with its definition. Probably, the current behavior is wrong. It probably should be ANDing not assigning. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-01net: phy: Add helper for advertise to lcl valueAndrew Lunn1-4/+1
Add a helper to convert the local advertising to an LCL capabilities, which is then used to resolve pause flow control settings. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-19net: amd: fix return type of ndo_start_xmit functionYueHaibing1-2/+2
The method ndo_start_xmit() is defined as returning an 'netdev_tx_t', which is a typedef for an enum type, so make sure the implementation in this driver has returns 'netdev_tx_t' value, and change the function return type to netdev_tx_t. Found by coccinelle. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-12net: ethernet: Add helper for MACs which support asym pauseAndrew Lunn1-2/+2
Rather than have the MAC drivers manipulate phydev members to indicate they support Asym Pause, add a helper function. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-15Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds1-2/+2
Pull crypto updates from Herbert Xu: "API: - Fix dcache flushing crash in skcipher. - Add hash finup self-tests. - Reschedule during speed tests. Algorithms: - Remove insecure vmac and replace it with vmac64. - Add public key verification for DH/ECDH. Drivers: - Decrease priority of sha-mb on x86. - Improve NEON latency/throughput on ARM64. - Add md5/sha384/sha512/des/3des to inside-secure. - Support eip197d in inside-secure. - Only register algorithms supported by the host in virtio. - Add cts and remove incompatible cts1 from ccree. - Add hisilicon SEC security accelerator driver. - Replace msm hwrng driver with qcom pseudo rng driver. Misc: - Centralize CRC polynomials" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (121 commits) crypto: arm64/ghash-ce - implement 4-way aggregation crypto: arm64/ghash-ce - replace NEON yield check with block limit crypto: hisilicon - sec_send_request() can be static lib/mpi: remove redundant variable esign crypto: arm64/aes-ce-gcm - don't reload key schedule if avoidable crypto: arm64/aes-ce-gcm - implement 2-way aggregation crypto: arm64/aes-ce-gcm - operate on two input blocks at a time crypto: dh - make crypto_dh_encode_key() make robust crypto: dh - fix calculating encoded key size crypto: ccp - Check for NULL PSP pointer at module unload crypto: arm/chacha20 - always use vrev for 16-bit rotates crypto: ccree - allow bigger than sector XTS op crypto: ccree - zero all of request ctx before use crypto: ccree - remove cipher ivgen left overs crypto: ccree - drop useless type flag during reg crypto: ablkcipher - fix crash flushing dcache in error path crypto: blkcipher - fix crash flushing dcache in error path crypto: skcipher - fix crash flushing dcache in error path crypto: skcipher - remove unnecessary setting of walk->nbytes crypto: scatterwalk - remove scatterwalk_samebuf() ...
2018-08-02Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/netDavid S. Miller1-2/+2
The BTF conflicts were simple overlapping changes. The virtio_net conflict was an overlap of a fix of statistics counter, happening alongisde a move over to a bonafide statistics structure rather than counting value on the stack. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-27net: ethernet: Use existing define with polynomialKrzysztof Kozlowski1-2/+2
Do not define again the polynomial but use header with existing define. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-07-26net: fix amd-xgbe flow-control issuetangpengpeng1-2/+2
If we enable or disable xgbe flow-control by ethtool , it does't work.Because the parameter is not properly assigned,so we need to adjust the assignment order of the parameters. Fixes: c1ce2f77366b ("amd-xgbe: Fix flow control setting logic") Signed-off-by: tangpengpeng <tangpengpeng@higon.com> Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-25amd-xgbe: use dma_mapping_error to check map errorsYueHaibing1-4/+3
The dma_mapping_error() returns true or false, but we want to return -ENOMEM if there was an error. Fixes: 174fd2597b0b ("amd-xgbe: Implement split header receive support") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Improve SFP 100Mbps auto-negotiationTom Lendacky3-34/+50
After changing speed to 100Mbps as a result of auto-negotiation (AN), some 10/100/1000Mbps SFPs indicate a successful link (no faults or loss of signal), but cannot successfully transmit or receive data. These SFPs required an extra auto-negotiation (AN) after the speed change in order to operate properly. Add a quirk for these SFPs so that if the outcome of the AN actually results in changing to a new speed, re-initiate AN at that new speed. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Update the BelFuse quirk to support SGMIITom Lendacky1-34/+75
Instead of using a quirk to make the BelFuse 1GBT-SFP06 part look like a 1000baseX part, program the SFP PHY to support SGMII and 10/100/1000 baseT. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Advertise FEC support with the KR re-driverTom Lendacky1-0/+4
When a KR re-driver is present, indicate the FEC support is available during auto-negotiation. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Always attempt link training in KR modeTom Lendacky1-53/+16
Link training is always attempted when in KR mode, but the code is structured to check if link training has been enabled before attempting to perform it. Since that check will always be true, simplify the code to always enable and start link training during KR auto-negotiation. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Add ethtool show/set channels supportTom Lendacky3-0/+163
Add ethtool support to show and set the device channel configuration. Changing the channel configuration will result in a device restart. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Prepare for ethtool set-channel supportTom Lendacky2-60/+68
In order to support being able to dynamically set/change the number of Rx and Tx channels, update the code to: - Move alloc and free of device memory into callable functions - Move setting of the real number of Rx and Tx channels to device startup - Move mapping of the RSS channels to device startup Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Add ethtool show/set ring parameter supportTom Lendacky3-5/+72
Add ethtool support to show and set the number of the Rx and Tx ring descriptors. Changing the ring configuration will result in a device restart. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Add ethtool support to retrieve SFP module infoTom Lendacky4-0/+189
Add support to get SFP module information using ethtool. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Remove field that indicates SFP diagnostic supportTom Lendacky1-9/+0
The driver currently sets an indication of whether the SFP supports, and that the driver can obtain, diagnostics data. This isn't currently used by the driver and the logic to set this indicator is flawed because the field is cleared each time the SFP is checked and only set when a new SFP is detected. Remove this field and the logic supporting it. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Remove use of comm_owned fieldTom Lendacky1-16/+0
The comm_owned field can hide logic where double locking is attempted and prevent multiple threads for the same device from accessing the mutex properly. Remove the comm_owned field and use the mutex API exclusively for gaining ownership. The current driver has been audited and is obtaining communications ownership properly. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Read and save the port property registers during probeTom Lendacky3-47/+62
Read and save the port property registers once during the device probe and then use the saved values as they are needed. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-23amd-xgbe: Fix debug output of max channel countsTom Lendacky1-1/+1
A debug output print statement uses the wrong variable to output the maximum Rx channel count (cut and paste error, basically). Fix the statement to use the proper variable. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-23amd-xgbe: Only use the SFP supported transceiver signalsTom Lendacky1-17/+54
The SFP eeprom indicates the transceiver signals (Rx LOS, Tx Fault, etc.) that it supports. Update the driver to include checking the eeprom data when deciding whether to use a transceiver signal. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-23amd-xgbe: Improve KR auto-negotiation and trainingTom Lendacky7-4/+160
Update xgbe-phy-v2.c to make use of the auto-negotiation (AN) phy hooks to improve the ability to successfully complete Clause 73 AN when running at 10gbps. Hardware can sometimes have issues with CDR lock when the AN DME page exchange is being performed. The AN and KR training hooks are used as follows: - The pre AN hook is used to disable CDR tracking in the PHY so that the DME page exchange can be successfully and consistently completed. - The post KR training hook is used to re-enable the CDR tracking so that KR training can successfully complete. - The post AN hook is used to check for an unsuccessful AN which will increase a CDR tracking enablement delay (up to a maximum value). Add two debugfs entries to allow control over use of the CDR tracking workaround. The debugfs entries allow the CDR tracking workaround to be disabled and determine whether to re-enable CDR tracking before or after link training has been initiated. Also, with these changes the receiver reset cycle that is performed during the link status check can be performed less often. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-23amd-xgbe: Add pre/post auto-negotiation phy hooksTom Lendacky2-2/+19
Add hooks to the driver auto-negotiation (AN) flow to allow the different phy implementations to perform any steps necessary to improve AN. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-26ethernet: Use octal not symbolic permissionsJoe Perches2-6/+6
Prefer the direct use of octal for permissions. Done with checkpatch -f --types=SYMBOLIC_PERMS --fix-inplace and some typing. Miscellanea: o Whitespace neatening around these conversions. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-21amd-xgbe: Restore PCI interrupt enablement setting on resumeTom Lendacky1-0/+2
After resuming from suspend, the PCI device support must re-enable the interrupt setting so that interrupts are actually delivered. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-06net: amd-xgbe: fix comparison to bitshift when dealing with a maskWolfram Sang1-1/+1
Due to a typo, the mask was destroyed by a comparison instead of a bit shift. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-20net: amd-xgbe: Get rid of custom hex_dump_to_buffer()Andy Shevchenko1-17/+7
Get rid of yet another custom hex_dump_to_buffer(). The output is slightly changed, i.e. each byte followed by white space. Note, we don't use print_hex_dump() here since the original code uses nedev_dbg(). Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-15Merge branch 'akpm' (patches from Andrew)Linus Torvalds1-1/+1
Merge updates from Andrew Morton: - a few misc bits - ocfs2 updates - almost all of MM * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (131 commits) memory hotplug: fix comments when adding section mm: make alloc_node_mem_map a void call if we don't have CONFIG_FLAT_NODE_MEM_MAP mm: simplify nodemask printing mm,oom_reaper: remove pointless kthread_run() error check mm/page_ext.c: check if page_ext is not prepared writeback: remove unused function parameter mm: do not rely on preempt_count in print_vma_addr mm, sparse: do not swamp log with huge vmemmap allocation failures mm/hmm: remove redundant variable align_end mm/list_lru.c: mark expected switch fall-through mm/shmem.c: mark expected switch fall-through mm/page_alloc.c: broken deferred calculation mm: don't warn about allocations which stall for too long fs: fuse: account fuse_inode slab memory as reclaimable mm, page_alloc: fix potential false positive in __zone_watermark_ok mm: mlock: remove lru_add_drain_all() mm, sysctl: make NUMA stats configurable shmem: convert shmem_init_inodecache() to void Unify migrate_pages and move_pages access checks mm, pagevec: rename pagevec drained field ...
2017-11-15mm: remove __GFP_COLDMel Gorman1-1/+1
As the page free path makes no distinction between cache hot and cold pages, there is no real useful ordering of pages in the free list that allocation requests can take advantage of. Juding from the users of __GFP_COLD, it is likely that a number of them are the result of copying other sites instead of actually measuring the impact. Remove the __GFP_COLD parameter which simplifies a number of paths in the page allocator. This is potentially controversial but bear in mind that the size of the per-cpu pagelists versus modern cache sizes means that the whole per-cpu list can often fit in the L3 cache. Hence, there is only a potential benefit for microbenchmarks that alloc/free pages in a tight loop. It's even worse when THP is taken into account which has little or no chance of getting a cache-hot page as the per-cpu list is bypassed and the zeroing of multiple pages will thrash the cache anyway. The truncate microbenchmarks are not shown as this patch affects the allocation path and not the free path. A page fault microbenchmark was tested but it showed no sigificant difference which is not surprising given that the __GFP_COLD branches are a miniscule percentage of the fault path. Link: http://lkml.kernel.org/r/20171018075952.10627-9-mgorman@techsingularity.net Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Andi Kleen <ak@linux.intel.com> Cc: Dave Chinner <david@fromorbit.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Jan Kara <jack@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-11-08net_sch: mqprio: Change TC_SETUP_MQPRIO to TC_SETUP_QDISC_MQPRIONogah Frankel1-1/+1
Change TC_SETUP_MQPRIO to TC_SETUP_QDISC_MQPRIO to match the new convention. Signed-off-by: Nogah Frankel <nogahf@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller1-0/+1
Files removed in 'net-next' had their license header updated in 'net'. We take the remove from 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-02License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman1-0/+1
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-10-28drivers/net: amd: Convert timers to use timer_setup()Kees Cook1-8/+6
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Allen Pais <allen.lkml@gmail.com> Cc: netdev@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-29amd-xgbe: Interrupt summary bits are h/w version dependentTom Lendacky2-5/+16
There is a difference in the bit position of the normal interrupt summary enable (NIE) and abnormal interrupt summary enable (AIE) between revisions of the hardware. For older revisions the NIE and AIE bits are positions 16 and 15 respectively. For newer revisions the NIE and AIE bits are positions 15 and 14. The effect in changing the bit position is that newer hardware won't receive AIE interrupts in the current version of the driver. Specifically, the driver uses this interrupt to collect statistics on when a receive buffer unavailable event occurs and to restart the driver/device when a fatal bus error occurs. Update the driver to set the interrupt enable bit based on the reported version of the hardware. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18amd-xgbe: Add additional ethtool statisticsLendacky, Thomas3-1/+16
Add some additional statistics for tracking VXLAN packets and checksum errors. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18amd-xgbe: Add support for VXLAN offload capabilitiesLendacky, Thomas5-6/+520
The hardware has the capability to perform checksum offload support (both Tx and Rx) and TSO support for VXLAN packets. Add the support required to enable this. The hardware can only support a single VXLAN port for offload. If more than one VXLAN port is added then the offload capabilities have to be disabled and can no longer be advertised. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18amd-xgbe: Convert to using the new link mode settingsLendacky, Thomas5-242/+345
Convert from using the old u32 supported, advertising, etc. link settings to the new link mode settings that support bit positions / settings greater than 32 bits. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-18amd-xgbe: Add per queue Tx and Rx statisticsLendacky, Thomas3-8/+46
Add per queue Tx and Rx packet and byte counts. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>