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| * | | | | | | | | | net: hns3: Fix a misuse to devm_free_irqqumingguang2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | we should use free_irq to free the nic irq during the unloading time. because we use request_irq to apply it when nic up. It will crash if up net device after reset the port. This patch fixes the issue. Signed-off-by: qumingguang <qumingguang@huawei.com> Signed-off-by: Lipeng <lipeng321@huawei.com> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: hns3: Add reset interface implementation in clientLipeng2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implement the interface of reset notification in hns3_enet, it will do resetting business which include shutdown nic device, free and initialize client side resource. Signed-off-by: qumingguang <qumingguang@huawei.com> Signed-off-by: Lipeng <lipeng321@huawei.com> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: hns3: Add timeout process in hns3_enetLipeng2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch add timeout handler in hns3_enet.c to handle TX side timeout event, when TX timeout event occur, it will triger NIC driver into reset process. Signed-off-by: qumingguang <qumingguang@huawei.com> Signed-off-by: Lipeng <lipeng321@huawei.com> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: hns3: Add reset process in hclge_mainLipeng2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds reset support for PF,it include : global reset, core reset, IMP reset, PF reset.The core reset will Reset all datapath of all functions except IMP, MAC and PCI interface. Global reset is equal with the core reset plus all MAC reset. IMP reset is caused by watchdog timer expiration, the same with core reset in the reset flow. PF reset will reset whole physical function. Signed-off-by: qumingguang <qumingguang@huawei.com> Signed-off-by: Lipeng <lipeng321@huawei.com> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: hns3: Add support for misc interruptLipeng2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds initialization and deinitialization for misc interrupt. This interrupt will be used to handle reset message(IRQ). Signed-off-by: qumingguang <qumingguang@huawei.com> Signed-off-by: Lipeng <lipeng321@huawei.com> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: hns3: Refactor the initialization of command queueLipeng2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no necessary to reallocate the descriptor and remap the descriptor memory in reset process, But there is still some other action exist in both reset process and initialization process. To reuse the common interface in reset process and initialization process, This patch moves out the descriptor allocate and memory maping from interface cmdq_init. Signed-off-by: qumingguang <qumingguang@huawei.com> Signed-off-by: Lipeng <lipeng321@huawei.com> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: hns3: Refactor mac_init functionqumingguang2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It needs initialize mdio in initialization process, but reset process does not reset mdio, so do not initialize mdio in reset process. This patch move out the mdio configuration function from the mac_init. So mac_init can be used both in reset process and initialization process. Signed-off-by: qumingguang <qumingguang@huawei.com> Signed-off-by: Lipeng <lipeng321@huawei.com> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: hns3: Refactor the mapping of tqp to vportLipeng2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch refactor the mapping of tqp to vport, making the maping function can be used both in the reset process and initialization process. Signed-off-by: qumingguang <qumingguang@huawei.com> Signed-off-by: Lipeng <lipeng321@huawei.com> Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: seeq: fix timer conversionArnd Bergmann2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One of the timer conversion patches evidently escaped build testing until I ran into in on ARM randconfig builds: drivers/net/ethernet/seeq/ether3.c: In function 'ether3_ledoff': drivers/net/ethernet/seeq/ether3.c:175:40: error: 'priv' undeclared (first use in this function); did you mean 'pid'? drivers/net/ethernet/seeq/ether3.c:176:27: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] This fixes the two small typos that caused the problems. Fixes: 6fd9c53f7186 ("net: seeq: Convert timers to use timer_setup()") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | nfp: improve defines for constants in ethtoolJakub Kicinski2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We split rvector stats into two categories - per queue and stats which are added up into one total counter. Improve the defines denoting their number. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | nfp: use a counter instead of log message for allocation failuresJakub Kicinski2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a counter incremented when allocation of replacement RX page fails. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | nfp: switch to dev_alloc_page()Jakub Kicinski2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the dev_alloc_page() networking helper to allocate pages for RX packets. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | nfp: bpf: fall back to core NIC app if BPF not selectedJakub Kicinski2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If kernel config does not include BPF just replace the BPF app handler with the handler for basic NIC. The BPF app will now be built only if BPF infrastructure is selected in kernel config. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | nfp: reorganize the app tableJakub Kicinski2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The app table is an unordered array right now. We have to search apps by ID. It also makes it harder to fall back to core NIC if advanced functions are not compiled into the kernel (e.g. eBPF). Make the table keyed by app id. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | nfp: bpf: reject TC offload if XDP loadedJakub Kicinski2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recent TC changes dropped the check protecting us from trying to offload a TC program if XDP programs are already loaded. Fixes: 90d97315b3e7 ("nfp: bpf: Convert ndo_setup_tc offloads to block callbacks") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | nfp: flower: vxlan - ensure no sleep in atomic contextJohn Hurley2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Functions called by the netevent notifier must be in atomic context. Change the mutex to spinlock and ensure mem allocations are done with the atomic flag. Also, remove unnecessary locking after notifiers are unregistered. Signed-off-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | nfp: flower: app should use struct nfp_reprJohn Hurley2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ensure priv netdev data in flower app is cast to nfp_repr and not nfp_net as in other apps. Fixes: 363fc53b8b58 ("nfp: flower: Convert ndo_setup_tc offloads to block callbacks") Signed-off-by: John Hurley <john.hurley@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | liquidio: synchronize VF representor names with NIC firmwareVijaya Mohan Guvva2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | LiquidIO firmware supports a vswitch that needs to know the names of the VF representors in the host to maintain compatibility for direct programming using external Openflow agents. So, for each VF representor, send its name to the firmware when it gets registered and when its name changes. Signed-off-by: Vijaya Mohan Guvva <vijaya.guvva@cavium.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: systemport: Only inspect valid switch port & queuesFlorian Fainelli2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Hesoteric board configurations where port 0 is not available would still make SYSTEMPORT inspect the switch port 0, queue 0, which, not being enabled, would cause transmit timeouts over time. Just ignore those unconfigured rings instead. Fixes: 84ff33eeb23d ("net: systemport: Establish DSA network device queue mapping") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | nfp: bpf: support [BPF_ALU | BPF_ALU64] | BPF_NEGJiong Wang2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch supports BPF_NEG under both BPF_ALU64 and BPF_ALU. LLVM recently starts to generate it. NOTE: BPF_NEG takes single operand which is an register and serve as both input and output. Signed-off-by: Jiong Wang <jiong.wang@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | nfp: bpf: rename ALU_OP_NEG to ALU_OP_NOTJiong Wang2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current ALU_OP_NEG is Op encoding 0x4 for NPF ALU instruction. It is actually performing "~B" operation which is bitwise NOT. The using naming ALU_OP_NEG is misleading as NEG is -B which is not the same as ~B. Signed-off-by: Jiong Wang <jiong.wang@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: dpaa: remove init which already done in per-cpu allocationyuan linyu2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: yuan linyu <Linyu.Yuan@alcatel-sbell.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: dpaa: fix maybe uninitialized var in dpaa_open()yuan linyu2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: yuan linyu <Linyu.Yuan@alcatel-sbell.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: sched: move the can_offload check from binding phase to rule insertion ↵Jiri Pirko2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | phase This restores the original behaviour before the block callbacks were introduced. Allow the drivers to do binding of block always, no matter if the NETIF_F_HW_TC feature is on or off. Move the check to the block callback which is called for rule insertion. Reported-by: Alexander Duyck <alexander.duyck@gmail.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: hns3: remove a couple of redundant assignmentsColin Ian King2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The assignment to kinfo is redundant as this is a duplicate of the initialiation of kinfo a few lines earlier, so it can be removed. The assignment to v_tc_info is never read, so this variable is redundant and can be removed completely. Cleans up two clang warnings: drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c:433:34: warning: Value stored to 'kinfo' during its initialization is never read drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c:775:3: warning: Value stored to 'v_tc_info' is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | liquidio: remove redundant setting of inst_processed to zeroColin Ian King2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The zero value assigned to inst_processed at the end of each iteration of the do-while loop is overwritten on the next iteration and hence it is a redundant assignment and can be removed. Cleans up clang warning: drivers/net/ethernet/cavium/liquidio/request_manager.c:480:3: warning: Value stored to 'inst_processed' is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | net: dl2k: remove redundant re-assignment to npColin Ian King2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The pointer np is initialized and then re-assigned the same value a few lines later. Remove the redundant duplicated assignment. Cleans up clang warning: drivers/net/ethernet/dlink/dl2k.c:314:25: warning: Value stored to 'np' during its initialization is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | wan: wanxl: remove redundant assignment to statColin Ian King2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | stat set to zero and the value is never read, instead stat is set again in the do-loop. Hence the setting to zero is redundant and can be removed. Cleans up clang warning: drivers/net/wan/wanxl.c:737:2: warning: Value stored to 'stat' is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2017-11-02
| |\ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Smooth Cong Wang's bug fix into 'net-next'. Basically put the bulk of the tcf_block_put() logic from 'net' into tcf_block_put_ext(), but after the offload unbind. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | enic: Add support for 'ethtool -g/-G'Parvi Kaustubhi2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for displaying and modifying rx and tx ring sizes using ethtool. Also, increasing version to 2.3.0.45 Signed-off-by: Parvi Kaustubhi <pkaustub@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | enic: reset fetch indexParvi Kaustubhi2017-11-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since we are allowing rx ring size modification, reset fetch index everytime. Otherwise it could have a stale value that can lead to a null pointer dereference. Signed-off-by: Govindarajulu Varadarajan <gvaradar@cisco.com> Signed-off-by: Parvi Kaustubhi <pkaustub@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | cxgb4: add support to create hash-filters via tc-flower offloadKumar Sanghvi2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Determine whether the flow classifies as exact-match with respect to 4-tuple and configured tuple mask in hw. If successfully classified as exact-match, offload the flow as hash-filter in hw. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | cxgb4: convert flower table to use rhashtableKumar Sanghvi2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | T6 supports ~500K hash filters and can theoretically climb up to ~1 million hash filters. Preallocated hash table is not efficient in terms of memory usage. So, use rhashtable instead which gives the flexibility to grow based on usage. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | cxgb4: add support to retrieve stats for hash filtersKumar Sanghvi2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support to retrieve packet-count and byte-count for hash-filters by retrieving filter-entry appropriately based on whether the request is for hash-filter or not. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | cxgb4: add support to delete hash filterKumar Sanghvi2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use a combined ulptx work-request to send hash filter deletion request to hw. Hash filter deletion reply is processed on getting cpl_abort_rpl_rss. Release any L2T/SMT/CLIP entries on filter deletion. Also, free up the corresponding filter entry. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | cxgb4: add support to create hash filtersKumar Sanghvi2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support to create hash (exact-match) filters based on the value of 'hash' field in ch_filter_specification. Allocate SMT/L2T entries if DMAC-rewrite/SMAC-rewrite is requested. Allocate CLIP entry in case of IPv6 filter. Use cpl_act_open_req[6] to send hash filter create request to hw. Also, the filter tuple is calculated as part of sending this request. Hash-filter reply is processed on getting cpl_act_open_rpl. In case of success, various bits/fields in filter-tcb are set per filter requirement, such as enabling filter hitcnts, and/or various header rewrite operations, such as VLAN-rewrite, NAT or (L3/L4)-rewrite, and SMAC/DMAC-rewrite. In case of failure, clear the filter entry and release any hw resources occupied by it. The patch also moves the functions set_tcb_field, set_tcb_tflag and configure_filter_smac towards beginning of file. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | cxgb4: initialize hash-filter configurationKumar Sanghvi2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for hash-filter configuration on T6. Also, do basic checks for the related initialization. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | cxgb4: save additional filter tuple field shifts in tp_paramsKumar Sanghvi2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Save additional filter tuple field shifts in tp_params based on configured filter tuple fields. Also, save the combined filter tuple mask based on configured filter tuple fields. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | net: dsa: lan9303: Add STP ALR entry on port 0Egil Hjelmeland2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | STP BPDUs arriving on user ports must sent to CPU port only, for processing by the SW bridge. Add an ALR entry with STP state override to fix that. Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | net: thunderx: remove a couple of redundant assignmentsColin Ian King2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The assignment to pointer msg is redundant as it is never read, so remove msg. Also remove the first assignment to qset as this is not read before the next re-assignment of a new value to qset in the for-loop. Cleans up two clang warnings: drivers/net/ethernet/cavium/thunder/nic_main.c:589:2: warning: Value stored to 'msg' is never read drivers/net/ethernet/cavium/thunder/nic_main.c:611:2: warning: Value stored to 'qset' is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | sfc: support rx-fcs and rx-allEdward Cree2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ethernet FCS inclusion (rx-fcs) is supported on EF10 NICs, conditional on a firmware capability bit (MC_CMD_GET_CAPABILITIES_OUT_RX_INCLUDE_FCS). To receive frames with bad FCS (rx-all) we just don't return the discard flag EFX_RX_PKT_DISCARD from efx_ef10_handle_rx_event_errors() or efx_farch_handle_rx_not_ok(). Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | net: macb: remove redundant assignment to variable work_doneColin Ian King2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Variable work_done is set to zero and this value is never read, instead it is set to another value a few statements later. Remove the redundant assignment. Cleans up clang warning: drivers/net/ethernet/cadence/macb_main.c:1221:2: warning: Value stored to 'work_done' is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Tested-by: Alexander Dahl <ada@thorsis.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | net: hso: remove redundant unused variable devColin Ian King2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The pointer dev is being assigned but is never used, hence it is redundant and can be removed. Cleans up clang warning: drivers/net/usb/hso.c:2280:2: warning: Value stored to 'dev' is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | ppp: Destroy the mutex when cleanupGao Feng2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The mutex_destroy only makes sense when enable DEBUG_MUTEX. For the good readbility, it's better to invoke it in exit func when the init func invokes mutex_init. Signed-off-by: Gao Feng <gfree.wind@vip.163.com> Acked-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | net: ethernet: slicoss: remove redundant initialization of idxColin Ian King2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Variable idx is being initialized and later on over-written by a new value in a do-loop without the initial value ever being read. Hence the initializion is redundant and can be removed. Cleans up clang warning: drivers/net/ethernet/alacritech/slicoss.c:358:15: warning: Value stored to 'idx' during its initialization is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Lino Sanfilippo <LinoSanfilippo@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | net: phy: Fix sfp.c build against GPIO definitionsFlorian Fainelli2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | include/gpio.h does not contain the references we want, we should be including linux/gpio/consumer.h instead. Fixes: 73970055450e ("sfp: add SFP module support") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | net: phy: Cosmetic fixes to phylink/sfp/sfp-bus.cFlorian Fainelli2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Perform a number of stylistic changes to phylink.c, sfp.c and sfp-bus.c: - align with netdev-style comments - align function arguments to the opening parenthesis - remove blank lines - fixup a few lines over 80 columns Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | net: dsa: b53: Have b53_hdr_setup() enable/disable taggingFlorian Fainelli2017-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Have b53_hdr_setup() check what kind of tagging protocol is configured (Broadcom or none) and apply the correct settings in both cases. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | drivers/net: tundra: Convert timers to use timer_setup()Kees Cook2017-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: "David S. Miller" <davem@davemloft.net> Cc: Philippe Reynes <tremyfr@gmail.com> Cc: "yuval.shaia@oracle.com" <yuval.shaia@oracle.com> Cc: Eric Dumazet <edumazet@google.com> Cc: netdev@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | | | | | | | | | drivers/net: ntb_netdev: Convert timers to use timer_setup()Kees Cook2017-10-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Jon Mason <jdmason@kudzu.us> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Allen Hubbe <Allen.Hubbe@emc.com> Cc: linux-ntb@googlegroups.com Cc: netdev@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-06 23:31:32 -0400