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2020-09-25drivers/net/ethernet: rid ethernet of no-prototype warningsJesse Brandeburg1-0/+1
The W=1 builds showed a few files exporting functions (non-static) that were not prototyped. What actually happened is that there were prototypes, but the include file was forgotten in the implementation file. Add the include file and remove the warnings. Fixed Warnings: drivers/net/ethernet/cavium/liquidio/cn68xx_device.c:124:5: warning: no previous prototype for ‘lio_setup_cn68xx_octeon_device’ [-Wmissing-prototypes] drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:159:1: warning: no previous prototype for ‘octeon_pci_read_core_mem’ [-Wmissing-prototypes] drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:168:1: warning: no previous prototype for ‘octeon_pci_write_core_mem’ [-Wmissing-prototypes] drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:176:5: warning: no previous prototype for ‘octeon_read_device_mem64’ [-Wmissing-prototypes] drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:185:5: warning: no previous prototype for ‘octeon_read_device_mem32’ [-Wmissing-prototypes] drivers/net/ethernet/cavium/liquidio/octeon_mem_ops.c:194:6: warning: no previous prototype for ‘octeon_write_device_mem32’ [-Wmissing-prototypes] drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c:453:6: warning: no previous prototype for ‘hclge_dcb_ops_set’ [-Wmissing-prototypes] Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: hns3: rename macro of pci device id of vfGuangbin Huang3-8/+9
VF devices do not have speed division, its speed is depended on its PF. So macro name of PCI device id of VF is incorrent to have 100G info, it should be renamed by removing 100G info. Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: hns3: add support for 200G deviceGuangbin Huang5-11/+55
The 200G device has a new device id 0xA228, so adds this device id to pci table, then the driver can probe it. As speed_ability queried from firmware has only 8 bits and already be used up, so firmware adds extra speed_ability_ext to indicate more speed abilities to support 200G and driver needs to parse it. Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: hns3: add debugfs of dumping pf interrupt resourcesYufeng Mo2-0/+13
The pf's interrupt resources will be changed with the number of enabled pf. Dumping this resource information will be helpful for debugging. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: hns3: add a hardware error detect typeYufeng Mo3-0/+5
In hns3_process_hw_error(), the hardware error detection of the ROCEE AXI RESP error type is added. When this error occurs, the client needs to be notified of this error and take corresponding operation. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: hns3: remove unnecessary variable initializationYufeng Mo6-9/+9
If a variable is assigned a value before it is used, it's no need to assign an initial value to the variable. So remove these redundant operations. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-24net: hns3: refactor the function for dumping tc information in debugfsYufeng Mo1-10/+5
Remove some unnecessary parameters of hclge_title_idx_print(), and rename this function for readability. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-23net: hns3: Constify static structsRikard Falkeborn2-18/+18
A number of static variables were not modified. Make them const to allow the compiler to put them in read-only memory. In order to do so, constify a couple of input pointers as well as some local pointers. This moves about 35Kb to read-only memory as seen by the output of the size command. Before: text data bss dec hex filename 404938 111534 640 517112 7e3f8 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge.ko After: text data bss dec hex filename 439499 76974 640 517113 7e3f9 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge.ko Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller2-22/+22
Two minor conflicts: 1) net/ipv4/route.c, adding a new local variable while moving another local variable and removing it's initial assignment. 2) drivers/net/dsa/microchip/ksz9477.c, overlapping changes. One pretty prints the port mode differently, whilst another changes the driver to try and obtain the port mode from the port node rather than the switch node. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-21net: hns3: simplify the return expression of hclgevf_client_start()Qinglang Miao1-7/+1
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-18net: hns3: Supply missing hclge_dcb.h include fileWang Hai1-0/+1
If the header file containing a function's prototype isn't included by the sourcefile containing the associated function, the build system complains of missing prototypes. Fixes the following W=1 kernel build warning(s): drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c:453:6: warning: no previous prototype for ‘hclge_dcb_ops_set’ [-Wmissing-prototypes] Signed-off-by: Wang Hai <wanghai38@huawei.com> Reviewed-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-18net: hns: kerneldoc fixesLu Wei1-2/+2
Fix some parameter description mistakes. Signed-off-by: Lu Wei <luwei32@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-17net: hns3: use napi_consume_skb() when cleaning tx descYunsheng Lin3-15/+16
Use napi_consume_skb() to batch consuming skb when cleaning tx desc in NAPI polling. Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-17net: hns3: use writel() to optimize the barrier operationYunsheng Lin2-8/+3
writel() can be used to order I/O vs memory by default when writing portable drivers. Use writel() to replace wmb() + writel_relaxed(), and writel() is dma_wmb() + writel_relaxed() for ARM64, so there is an optimization here because dma_wmb() is a lighter barrier than wmb(). Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-17net: hns3: optimize the rx clean processYunsheng Lin1-30/+31
Currently HNS3_RING_RX_RING_FBDNUM_REG register is read to determine how many rx desc can be cleaned. To avoid the register read operation in the critical data path, use the valid bit in the rx desc to determine if a specific rx desc can be cleaned. The hns3 driver clear valid bit in the rx desc before notifying the rx desc to the hw, and hw will only set the valid bit of the rx desc after corresponding buffer is filled with packet data and other field in the rx desc is set accordingly. Add hns3_rx_ring_move_fw() function to clear the valid bit in the rx desc before moving rx ring's next_to_clean forward to avoid double cleaning a rx desc, also add a dma_rmb() barrier in hns3_handle_rx_bd() to make sure valid bit is set before reading other field in the rx desc. Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-17net: hns3: optimize the tx clean processYunsheng Lin3-45/+33
Currently HNS3_RING_TX_RING_HEAD_REG register is read to determine how many tx desc can be cleaned. To avoid the register read operation in the critical data path, use the valid bit in the tx desc to determine if a specific tx desc can be cleaned. The hns3 driver sets valid bit in the tx desc before ringing a doorbell to the hw, and hw will only clear the valid bit of the tx desc after corresponding packet is sent out to the wire. And because next_to_use for tx ring is a changing variable when the driver is filling the tx desc, so reuse the pull_len for rx ring to record the tx desc that has notified to the hw, so that hns3_nic_reclaim_desc() can decide how many tx desc's valid bit need checking when reclaiming tx desc. And io_err_cnt stat is also removed for it is not used anymore. Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-17net: hns3: batch tx doorbell operationYunsheng Lin3-12/+39
Use netdev_xmit_more() to defer the tx doorbell operation when the skb is passed to the driver continuously. By doing this we can improve the overall xmit performance by avoid some doorbell operations. Also, the tx_err_cnt stat is not used, so rename it to tx_more stat. Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-17net: hns3: batch the page reference count updatesYunsheng Lin2-8/+25
Batch the page reference count updates instead of doing them one at a time. By doing this we can improve the overall receive performance by avoid some atomic increment operations when the rx page is reused. Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-16net: hns: kerneldoc fixesLu Wei1-20/+20
Fix some parameter description or spelling mistakes. Signed-off-by: Lu Wei <luwei32@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-11net: hns: use IRQ_NOAUTOEN to avoid irq is enabled due to request_irqBarry Song1-1/+2
Rather than doing request_irq and then disabling the irq immediately, it should be safer to use IRQ_NOAUTOEN flag for the irq. It removes any gap between request_irq() and disable_irq(). Cc: Salil Mehta <salil.mehta@huawei.com> Reviewed-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Barry Song <song.bao.hua@hisilicon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-10net: hns: Fix some kernel-doc warnings in hns_enet.cWang Hai1-2/+1
Fixes the following W=1 kernel build warning(s): drivers/net/ethernet/hisilicon/hns/hns_enet.c:1841: warning: Excess function parameter 'netdev' description in 'hns_set_multicast_list' drivers/net/ethernet/hisilicon/hns/hns_enet.c:1841: warning: Excess function parameter 'p' description in 'hns_set_multicast_list' Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wang Hai <wanghai38@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-10net: hns: Fix some kernel-doc warnings in hns_dsaf_xgmac.cWang Hai1-2/+1
Fixes the following W=1 kernel build warning(s): drivers/net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c:137: warning: Excess function parameter 'drv' description in 'hns_xgmac_enable' drivers/net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c:497: warning: Excess function parameter 'cmd' description in 'hns_xgmac_get_regs' Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wang Hai <wanghai38@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-10net: hns: fix 'cdev' kernel-doc warning in hnae_ae_unregister()Wang Hai1-1/+1
Rename cdev to hdev. Fixes the following W=1 kernel build warning(s): drivers/net/ethernet/hisilicon/hns/hnae.c:444: warning: Excess function parameter 'cdev' description in 'hnae_ae_unregister' Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wang Hai <wanghai38@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-08net: hns3: remove some unused function hns3_update_promisc_mode()Guojia Liao2-15/+0
hns3_update_promisc_mode is defined, but not be used, so remove it. Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-08net: hns3: remove some unused macros related to queueHuazhong Tan1-5/+0
There are several macros related queue defined, but never used, so remove them. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-08net: hns3: remove unused field 'tc_num_last_time' in struct hclge_devHuazhong Tan1-1/+0
'tc_num_last_time' is defined, but never used, so remove it. Reported-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-08net: hns3: remove unused field 'io_base' in struct hns3_enet_ringHuazhong Tan2-3/+0
'io_base' has been defined and initialized, but never used, so remove it. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-08net: hns3: fix a typo in struct hclge_macGuangbin Huang1-1/+1
The member link of struct hclge_mac stores the link status of MAC and PHY if PHY exists, but its annotation uses word "exit", so fix it. Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-08net: hns3: skip periodic service task if reset failedGuangbin Huang2-0/+6
When reset fails, if there are some pending jobs for the periodic service task, it does not do anything except print error each time the task is scheduled. So skip the periodic service task if reset failed. Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-08net: hns3: narrow two local variable range in hclgevf_reset_prepare_wait()Huazhong Tan1-6/+6
Since variable send_msg and ret only used in if branch, so move their definition into the if branch. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski4-10/+13
We got slightly different patches removing a double word in a comment in net/ipv4/raw.c - picked the version from net. Simple conflict in drivers/net/ethernet/ibm/ibmvnic.c. Use cached values instead of VNIC login response buffer (following what commit 507ebe6444a4 ("ibmvnic: Fix use-after-free of VNIC login response buffer") did). Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-09-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds2-5/+10
Pull networking fixes from David Miller: 1) Use netif_rx_ni() when necessary in batman-adv stack, from Jussi Kivilinna. 2) Fix loss of RTT samples in rxrpc, from David Howells. 3) Memory leak in hns_nic_dev_probe(), from Dignhao Liu. 4) ravb module cannot be unloaded, fix from Yuusuke Ashizuka. 5) We disable BH for too lokng in sctp_get_port_local(), add a cond_resched() here as well, from Xin Long. 6) Fix memory leak in st95hf_in_send_cmd, from Dinghao Liu. 7) Out of bound access in bpf_raw_tp_link_fill_link_info(), from Yonghong Song. 8) Missing of_node_put() in mt7530 DSA driver, from Sumera Priyadarsini. 9) Fix crash in bnxt_fw_reset_task(), from Michael Chan. 10) Fix geneve tunnel checksumming bug in hns3, from Yi Li. 11) Memory leak in rxkad_verify_response, from Dinghao Liu. 12) In tipc, don't use smp_processor_id() in preemptible context. From Tuong Lien. 13) Fix signedness issue in mlx4 memory allocation, from Shung-Hsi Yu. 14) Missing clk_disable_prepare() in gemini driver, from Dan Carpenter. 15) Fix ABI mismatch between driver and firmware in nfp, from Louis Peens. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (110 commits) net/smc: fix sock refcounting in case of termination net/smc: reset sndbuf_desc if freed net/smc: set rx_off for SMCR explicitly net/smc: fix toleration of fake add_link messages tg3: Fix soft lockup when tg3_reset_task() fails. doc: net: dsa: Fix typo in config code sample net: dp83867: Fix WoL SecureOn password nfp: flower: fix ABI mismatch between driver and firmware tipc: fix shutdown() of connectionless socket ipv6: Fix sysctl max for fib_multipath_hash_policy drivers/net/wan/hdlc: Change the default of hard_header_len to 0 net: gemini: Fix another missing clk_disable_unprepare() in probe net: bcmgenet: fix mask check in bcmgenet_validate_flow() amd-xgbe: Add support for new port mode net: usb: dm9601: Add USB ID of Keenetic Plus DSL vhost: fix typo in error message net: ethernet: mlx4: Fix memory allocation in mlx4_buddy_init() pktgen: fix error message with wrong function name net: ethernet: ti: am65-cpsw: fix rmii 100Mbit link mode cxgb4: fix thermal zone device registration ...
2020-08-31net: hns: Remove unused macro AE_NAME_PORT_ID_IDXYueHaibing1-2/+0
There is no caller in tree. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-26net: Take common prefetch code structure into a functionTariq Toukan2-8/+2
Many device drivers use the same prefetch code structure to deal with small L1 cacheline size. Take this code into a function and call it from the drivers. Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Reviewed-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-26net: hns3: Fix for geneve tx checksum bugYi Li1-2/+4
when skb->encapsulation is 0, skb->ip_summed is CHECKSUM_PARTIAL and it is udp packet, which has a dest port as the IANA assigned. the hardware is expected to do the checksum offload, but the hardware will not do the checksum offload when udp dest port is 6081. This patch fixes it by doing the checksum in software. Reported-by: Li Bing <libing@winhong.com> Signed-off-by: Yi Li <yili@winhong.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-24net: hns: Fix memleak in hns_nic_dev_probeDinghao Liu1-3/+6
hns_nic_dev_probe allocates ndev, but not free it on two error handling paths, which may lead to memleak. Fixes: 63434888aaf1b ("net: hns: net: hns: enet adds support of acpi") Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-23treewide: Use fallthrough pseudo-keywordGustavo A. R. Silva3-5/+3
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-08-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds1-1/+1
Pull networking fixes from David Miller: "Some merge window fallout, some longer term fixes: 1) Handle headroom properly in lapbether and x25_asy drivers, from Xie He. 2) Fetch MAC address from correct r8152 device node, from Thierry Reding. 3) In the sw kTLS path we should allow MSG_CMSG_COMPAT in sendmsg, from Rouven Czerwinski. 4) Correct fdputs in socket layer, from Miaohe Lin. 5) Revert troublesome sockptr_t optimization, from Christoph Hellwig. 6) Fix TCP TFO key reading on big endian, from Jason Baron. 7) Missing CAP_NET_RAW check in nfc, from Qingyu Li. 8) Fix inet fastreuse optimization with tproxy sockets, from Tim Froidcoeur. 9) Fix 64-bit divide in new SFC driver, from Edward Cree. 10) Add a tracepoint for prandom_u32 so that we can more easily perform usage analysis. From Eric Dumazet. 11) Fix rwlock imbalance in AF_PACKET, from John Ogness" * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (49 commits) net: openvswitch: introduce common code for flushing flows af_packet: TPACKET_V3: fix fill status rwlock imbalance random32: add a tracepoint for prandom_u32() Revert "ipv4: tunnel: fix compilation on ARCH=um" net: accept an empty mask in /sys/class/net/*/queues/rx-*/rps_cpus net: ethernet: stmmac: Disable hardware multicast filter net: stmmac: dwmac1000: provide multicast filter fallback ipv4: tunnel: fix compilation on ARCH=um vsock: fix potential null pointer dereference in vsock_poll() sfc: fix ef100 design-param checking net: initialize fastreuse on inet_inherit_port net: refactor bind_bucket fastreuse into helper net: phy: marvell10g: fix null pointer dereference net: Fix potential memory leak in proto_register() net: qcom/emac: add missed clk_disable_unprepare in error path of emac_clks_phase1_init ionic_lif: Use devm_kcalloc() in ionic_qcq_alloc() net/nfc/rawsock.c: add CAP_NET_RAW check. hinic: fix strncpy output truncated compile warnings drivers/net/wan/x25_asy: Added needed_headroom and a skb->len check net/tls: Fix kmap usage ...
2020-08-07mm, treewide: rename kzfree() to kfree_sensitive()Waiman Long1-1/+1
As said by Linus: A symmetric naming is only helpful if it implies symmetries in use. Otherwise it's actively misleading. In "kzalloc()", the z is meaningful and an important part of what the caller wants. In "kzfree()", the z is actively detrimental, because maybe in the future we really _might_ want to use that "memfill(0xdeadbeef)" or something. The "zero" part of the interface isn't even _relevant_. The main reason that kzfree() exists is to clear sensitive information that should not be leaked to other future users of the same memory objects. Rename kzfree() to kfree_sensitive() to follow the example of the recently added kvfree_sensitive() and make the intention of the API more explicit. In addition, memzero_explicit() is used to clear the memory to make sure that it won't get optimized away by the compiler. The renaming is done by using the command sequence: git grep -w --name-only kzfree |\ xargs sed -i 's/kzfree/kfree_sensitive/' followed by some editing of the kfree_sensitive() kerneldoc and adding a kzfree backward compatibility macro in slab.h. [akpm@linux-foundation.org: fs/crypto/inline_crypt.c needs linux/slab.h] [akpm@linux-foundation.org: fix fs/crypto/inline_crypt.c some more] Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Waiman Long <longman@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: David Howells <dhowells@redhat.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Cc: James Morris <jmorris@namei.org> Cc: "Serge E. Hallyn" <serge@hallyn.com> Cc: Joe Perches <joe@perches.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: David Rientjes <rientjes@google.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: "Jason A . Donenfeld" <Jason@zx2c4.com> Link: http://lkml.kernel.org/r/20200616154311.12314-3-longman@redhat.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-06net: hns3: fix spelling mistake "could'nt" -> "couldn't"Colin Ian King1-1/+1
There is a spelling mistake in a dev_err message. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller3-39/+52
Resolved kernel/bpf/btf.c using instructions from merge commit 69138b34a7248d2396ab85c8652e20c0c39beaba Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-28net: hns3: fix for VLAN config when reset failedGuojia Liao2-7/+10
When device is resetting or reset failed, firmware is unable to handle mailbox. VLAN should not be configured in this case. Fixes: fe4144d47eef ("net: hns3: sync VLAN filter entries when kill VLAN ID failed") Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-28net: hns3: fix aRFS FD rules leftover after add a user FD ruleGuojia Liao1-13/+15
When user had created a FD rule, all the aRFS rules should be clear up. HNS3 process flow as below: 1.get spin lock of fd_ruls_list 2.clear up all aRFS rules 3.release lock 4.get spin lock of fd_ruls_list 5.creat a rules 6.release lock; There is a short period of time between step 3 and step 4, which would creatting some new aRFS FD rules if driver was receiving packet. So refactor the fd_rule_lock to fix it. Fixes: 441228875706 ("net: hns3: refine the flow director handle") Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-28net: hns3: add reset check for VF updating port based VLANJian Shen1-9/+21
Currently hclgevf_update_port_base_vlan_info() may be called when VF is resetting, which may cause hns3_nic_net_open() being called twice unexpectedly. So fix it by adding a reset check for it, and extend critical region for rntl_lock in hclgevf_update_port_base_vlan_info(). Fixes: 92f11ea177cd ("net: hns3: fix set port based VLAN issue for VF") Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-28net: hns3: fix a TX timeout issueYonglong Liu1-1/+1
When the queue depth and queue parameters are modified, there is a low probability that TX timeout occurs. The two operations cause the link to be down or up when the watchdog is still working. All queues are stopped when the link is down. After the carrier is on, all queues are woken up. If the watchdog detects the link between the carrier on and wakeup queues, a false TX timeout occurs. So fix this issue by modifying the sequence of carrier on and queue wakeup, which is symmetrical to the link down action. Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC") Signed-off-by: Yonglong Liu <liuyonglong@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-28net: hns3: fix desc filling bug when skb is expanded or linearedYunsheng Lin1-10/+6
The linear and frag data part may be changed when the skb is expanded or lineared in skb_cow_head() or skb_checksum_help(), which is called by hns3_fill_skb_desc(), so the linear len return by skb_headlen() before the calling of hns3_fill_skb_desc() is unreliable. Move hns3_fill_skb_desc() before the calling of skb_headlen() to fix this bug. Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC") Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller5-41/+38
The UDP reuseport conflict was a little bit tricky. The net-next code, via bpf-next, extracted the reuseport handling into a helper so that the BPF sk lookup code could invoke it. At the same time, the logic for reuseport handling of unconnected sockets changed via commit efc6b6f6c3113e8b203b9debfb72d81e0f3dcace which changed the logic to carry on the reuseport result into the rest of the lookup loop if we do not return immediately. This requires moving the reuseport_has_conns() logic into the callers. While we are here, get rid of inline directives as they do not belong in foo.c files. The other changes were cases of more straightforward overlapping modifications. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-24net: hix5hd2_gmac: Remove unneeded cast from memory allocationWang Hai1-3/+3
Remove casting the values returned by memory allocation function. Coccinelle emits WARNING: ./drivers/net/ethernet/hisilicon/hix5hd2_gmac.c:1027:9-23: WARNING: casting value returned by memory allocation function to (struct sg_desc *) is useless. This issue was detected by using the Coccinelle software. Signed-off-by: Wang Hai <wanghai38@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21net: hns3: fix return value error when query MAC link status failJian Shen2-27/+25
Currently, PF queries the MAC link status per second by calling function hclge_get_mac_link_status(). It return the error code when failed to send cmdq command to firmware. It's incorrect, because this return value is used as the MAC link status, which 0 means link down, and none-zero means link up. So fixes it. Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support") Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Huazhong tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21net: hns3: fix error handling for desc fillingYunsheng Lin2-0/+9
The content of the TX desc is automatically cleared by the HW when the HW has sent out the packet to the wire. When desc filling fails in hns3_nic_net_xmit(), it will call hns3_clear_desc() to do the error handling, which miss zeroing of the TX desc and the checking if a unmapping is needed. So add the zeroing and checking in hns3_clear_desc() to avoid the above problem. Also add DESC_TYPE_UNKNOWN to indicate the info in desc_cb is not valid, because hns3_nic_reclaim_desc() may treat the desc_cb->type of zero as packet and add to the sent pkt statistics accordingly. Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC") Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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