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2021-06-17r8152: store the information of the pipesHayes Wang1-5/+13
Store the information of the pipes to avoid calling usb_rcvctrlpipe(), usb_sndctrlpipe(), usb_rcvbulkpipe(), usb_sndbulkpipe(), and usb_rcvintpipe() frequently. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17net: gianfar: Implement rx_missed_errors counterEsben Haabendal2-3/+57
Devices with RMON support has a 16-bit RDRP counter. It provides: "Receive dropped packets counter. Increments for frames received which are streamed to system but are later dropped due to lack of system resources." To handle more than 2^16 dropped packets, a carry bit in CAR1 register is set on overflow, so we enable irq when this is set, extending the counter to 2^64 for handling situations where lots of packets are missed (e.g. during heavy network storms). Signed-off-by: Esben Haabendal <esben@geanix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17net: gianfar: Add definitions for CAR1 and CAM1 register bitsEsben Haabendal1-0/+54
These are for carry status and interrupt mask bits of statistics registers. Signed-off-by: Esben Haabendal <esben@geanix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17net: gianfar: Avoid 16 bytes of memsetEsben Haabendal1-1/+1
The memset on CAMx is wrong, as it actually unmasks all carry irq's, which we clearly are not interested in. The memset on CARx registers is just pointless, as they are W1C. So let's just stop the memset before CAR1. Signed-off-by: Esben Haabendal <esben@geanix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17net: gianfar: Clear CAR registersEsben Haabendal1-0/+3
The CAR1 and CAR2 registers are W1C style registers, to the memset does not actually clear them. Signed-off-by: Esben Haabendal <esben@geanix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17net: gianfar: Extend statistics counters to 64-bitEsben Haabendal1-5/+5
No reason to wrap counter values at 2^32. Especially the bytes counters can wrap pretty fast on Gbit networks. Signed-off-by: Esben Haabendal <esben@geanix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17net: gianfar: Convert to ndo_get_stats64 interfaceEsben Haabendal1-18/+7
No reason to produce the legacy net_device_stats struct, only to have it converted to rtnl_link_stats64. And as a bonus, this allows for improving counter size to 64 bit. Signed-off-by: Esben Haabendal <esben@geanix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17net: sched: fix error return code in tcf_del_walker()Yang Yingliang1-1/+2
When nla_put_u32() fails, 'ret' could be 0, it should return error code in tcf_del_walker(). Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17net: ipa: Add missing of_node_put() in ipa_firmware_load()Yang Yingliang1-0/+1
This node pointer is returned by of_parse_phandle() with refcount incremented in this function. of_node_put() on it before exiting this function. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Acked-by: Alex Elder <elder@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17net: fix mistake path for netdev_features_stringsJian Shen2-3/+3
Th_strings arrays netdev_features_strings, tunable_strings, and phy_tunable_strings has been moved to file net/ethtool/common.c. So fixes the comment. Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17documentation: networking: devlink: fix prestera.rst formatting that causes ↵Oleksandr Mazur3-2/+4
build warnings Fixes: 66826c43e63d ("documentation: networking: devlink: add prestera switched driver Documentation") Signed-off-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17net: pcs: xpcs: Fix a less than zero u16 comparison errorColin Ian King1-6/+6
Currently the check for the u16 variable val being less than zero is always false because val is unsigned. Fix this by using the int variable for the assignment and less than zero check. Addresses-Coverity: ("Unsigned compared against 0") Fixes: f7380bba42fd ("net: pcs: xpcs: add support for NXP SJA1110") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-17selftests/bpf: Fix selftests build with old system-wide headersAndrii Nakryiko1-0/+4
migrate_reuseport.c selftest relies on having TCP_FASTOPEN_CONNECT defined in system-wide netinet/tcp.h. Selftests can use up-to-date uapi/linux/tcp.h, but that one doesn't have SOL_TCP. So instead of switching everything to uapi header, add #define for TCP_FASTOPEN_CONNECT to fix the build. Fixes: c9d0bdef89a6 ("bpf: Test BPF_SK_REUSEPORT_SELECT_OR_MIGRATE.") Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp> Link: https://lore.kernel.org/bpf/20210617041446.425283-1-andrii@kernel.org
2021-06-17bpf: Fix up register-based shifts in interpreter to silence KUBSANDaniel Borkmann1-18/+43
syzbot reported a shift-out-of-bounds that KUBSAN observed in the interpreter: [...] UBSAN: shift-out-of-bounds in kernel/bpf/core.c:1420:2 shift exponent 255 is too large for 64-bit type 'long long unsigned int' CPU: 1 PID: 11097 Comm: syz-executor.4 Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x141/0x1d7 lib/dump_stack.c:120 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:327 ___bpf_prog_run.cold+0x19/0x56c kernel/bpf/core.c:1420 __bpf_prog_run32+0x8f/0xd0 kernel/bpf/core.c:1735 bpf_dispatcher_nop_func include/linux/bpf.h:644 [inline] bpf_prog_run_pin_on_cpu include/linux/filter.h:624 [inline] bpf_prog_run_clear_cb include/linux/filter.h:755 [inline] run_filter+0x1a1/0x470 net/packet/af_packet.c:2031 packet_rcv+0x313/0x13e0 net/packet/af_packet.c:2104 dev_queue_xmit_nit+0x7c2/0xa90 net/core/dev.c:2387 xmit_one net/core/dev.c:3588 [inline] dev_hard_start_xmit+0xad/0x920 net/core/dev.c:3609 __dev_queue_xmit+0x2121/0x2e00 net/core/dev.c:4182 __bpf_tx_skb net/core/filter.c:2116 [inline] __bpf_redirect_no_mac net/core/filter.c:2141 [inline] __bpf_redirect+0x548/0xc80 net/core/filter.c:2164 ____bpf_clone_redirect net/core/filter.c:2448 [inline] bpf_clone_redirect+0x2ae/0x420 net/core/filter.c:2420 ___bpf_prog_run+0x34e1/0x77d0 kernel/bpf/core.c:1523 __bpf_prog_run512+0x99/0xe0 kernel/bpf/core.c:1737 bpf_dispatcher_nop_func include/linux/bpf.h:644 [inline] bpf_test_run+0x3ed/0xc50 net/bpf/test_run.c:50 bpf_prog_test_run_skb+0xabc/0x1c50 net/bpf/test_run.c:582 bpf_prog_test_run kernel/bpf/syscall.c:3127 [inline] __do_sys_bpf+0x1ea9/0x4f00 kernel/bpf/syscall.c:4406 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae [...] Generally speaking, KUBSAN reports from the kernel should be fixed. However, in case of BPF, this particular report caused concerns since the large shift is not wrong from BPF point of view, just undefined. In the verifier, K-based shifts that are >= {64,32} (depending on the bitwidth of the instruction) are already rejected. The register-based cases were not given their content might not be known at verification time. Ideas such as verifier instruction rewrite with an additional AND instruction for the source register were brought up, but regularly rejected due to the additional runtime overhead they incur. As Edward Cree rightly put it: Shifts by more than insn bitness are legal in the BPF ISA; they are implementation-defined behaviour [of the underlying architecture], rather than UB, and have been made legal for performance reasons. Each of the JIT backends compiles the BPF shift operations to machine instructions which produce implementation-defined results in such a case; the resulting contents of the register may be arbitrary but program behaviour as a whole remains defined. Guard checks in the fast path (i.e. affecting JITted code) will thus not be accepted. The case of division by zero is not truly analogous here, as division instructions on many of the JIT-targeted architectures will raise a machine exception / fault on division by zero, whereas (to the best of my knowledge) none will do so on an out-of-bounds shift. Given the KUBSAN report only affects the BPF interpreter, but not JITs, one solution is to add the ANDs with 63 or 31 into ___bpf_prog_run(). That would make the shifts defined, and thus shuts up KUBSAN, and the compiler would optimize out the AND on any CPU that interprets the shift amounts modulo the width anyway (e.g., confirmed from disassembly that on x86-64 and arm64 the generated interpreter code is the same before and after this fix). The BPF interpreter is slow path, and most likely compiled out anyway as distros select BPF_JIT_ALWAYS_ON to avoid speculative execution of BPF instructions by the interpreter. Given the main argument was to avoid sacrificing performance, the fact that the AND is optimized away from compiler for mainstream archs helps as well as a solution moving forward. Also add a comment on LSH/RSH/ARSH translation for JIT authors to provide guidance when they see the ___bpf_prog_run() interpreter code and use it as a model for a new JIT backend. Reported-by: syzbot+bed360704c521841c85d@syzkaller.appspotmail.com Reported-by: Kurt Manucredo <fuzzybritches0@gmail.com> Signed-off-by: Eric Biggers <ebiggers@kernel.org> Co-developed-by: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Tested-by: syzbot+bed360704c521841c85d@syzkaller.appspotmail.com Cc: Edward Cree <ecree.xilinx@gmail.com> Link: https://lore.kernel.org/bpf/0000000000008f912605bd30d5d7@google.com Link: https://lore.kernel.org/bpf/bac16d8d-c174-bdc4-91bd-bfa62b410190@gmail.com
2021-06-16libbpf: Fail compilation if target arch is missingLorenz Bauer1-4/+42
bpf2go is the Go equivalent of libbpf skeleton. The convention is that the compiled BPF is checked into the repository to facilitate distributing BPF as part of Go packages. To make this portable, bpf2go by default generates both bpfel and bpfeb variants of the C. Using bpf_tracing.h is inherently non-portable since the fields of struct pt_regs differ between platforms, so CO-RE can't help us here. The only way of working around this is to compile for each target platform independently. bpf2go can't do this by default since there are too many platforms. Define the various PT_... macros when no target can be determined and turn them into compilation failures. This works because bpf2go always compiles for bpf targets, so the compiler fallback doesn't kick in. Conditionally define __BPF_MISSING_TARGET so that we can inject a more appropriate error message at build time. The user can then choose which platform to target explicitly. Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210616083635.11434-1-lmb@cloudflare.com
2021-06-16samples/bpf: Add missing option to xdp_sample_pkts usageWang Hai1-1/+2
xdp_sample_pkts usage() is missing the introduction of the "-S" option, this patch adds it. Fixes: d50ecc46d18f ("samples/bpf: Attach XDP programs in driver mode by default") Signed-off-by: Wang Hai <wanghai38@huawei.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Link: https://lore.kernel.org/bpf/20210615135724.29528-1-wanghai38@huawei.com
2021-06-16samples/bpf: Add missing option to xdp_fwd usageWang Hai1-0/+2
xdp_fwd usage() is missing the introduction of the "-S" and "-F" options, this patch adds it. Fixes: d50ecc46d18f ("samples/bpf: Attach XDP programs in driver mode by default") Signed-off-by: Wang Hai <wanghai38@huawei.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Link: https://lore.kernel.org/bpf/20210615135554.29158-1-wanghai38@huawei.com
2021-06-16bpf: Fix typo in kernel/bpf/bpf_lsm.cShuyi Cheng1-1/+1
Fix s/sleeable/sleepable/ typo in a comment. Signed-off-by: Shuyi Cheng <chengshuyi@linux.alibaba.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/1623809076-97907-1-git-send-email-chengshuyi@linux.alibaba.com
2021-06-16selftests/bpf: Whitelist test_progs.h from .gitignoreDaniel Xu1-0/+1
Somehow test_progs.h was being included by the existing rule: /test_progs* This is bad because: 1) test_progs.h is a checked in file 2) grep-like tools like ripgrep[0] respect gitignore and test_progs.h was being hidden from searches [0]: https://github.com/BurntSushi/ripgrep Fixes: 74b5a5968fe8 ("selftests/bpf: Replace test_progs and test_maps w/ general rule") Signed-off-by: Daniel Xu <dxu@dxuuu.xyz> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/a46f64944bf678bc652410ca6028d3450f4f7f4b.1623880296.git.dxu@dxuuu.xyz
2021-06-16net: marvell: prestera: Add matchall supportSerhiy Boiko10-1/+367
- Introduce matchall filter support - Add SPAN API to configure port mirroring. - Add tc mirror action. At this moment, only mirror (egress) action is supported. Example: tc filter ... action mirred egress mirror dev DEV Co-developed-by: Volodymyr Mytnyk <vmytnyk@marvell.com> Signed-off-by: Volodymyr Mytnyk <vmytnyk@marvell.com> Signed-off-by: Serhiy Boiko <serhiy.boiko@plvision.eu> Signed-off-by: Vadym Kochan <vkochan@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: marvell: Implement TC flower offloadSerhiy Boiko11-2/+1404
Add ACL infrastructure for Prestera Switch ASICs family devices to offload cls_flower rules to be processed in the HW. ACL implementation is based on tc filter api. The flower classifier is supported to configure ACL rules/matches/action. Supported actions: - drop - trap - pass Supported dissector keys: - indev - src_mac - dst_mac - src_ip - dst_ip - ip_proto - src_port - dst_port - vlan_id - vlan_ethtype - icmp type/code Co-developed-by: Volodymyr Mytnyk <vmytnyk@marvell.com> Signed-off-by: Volodymyr Mytnyk <vmytnyk@marvell.com> Signed-off-by: Serhiy Boiko <serhiy.boiko@plvision.eu> Signed-off-by: Vadym Kochan <vkochan@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net/smc: Make SMC statistics network namespace awareGuvenc Gulce8-108/+163
Make the gathered SMC statistics network namespace aware, for each namespace collect an own set of statistic information. Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net/smc: Add netlink support for SMC fallback statisticsGuvenc Gulce5-1/+113
Add support to collect more detailed SMC fallback reason statistics and provide these statistics to user space on the netlink interface. Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net/smc: Add netlink support for SMC statisticsGuvenc Gulce4-0/+355
Add the netlink function which collects the statistics information and delivers it to the userspace. Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net/smc: Add SMC statistics supportGuvenc Gulce7-21/+395
Add the ability to collect SMC statistics information. Per-cpu variables are used to collect the statistic information for better performance and for reducing concurrency pitfalls. The code that is collecting statistic data is implemented in macros to increase code reuse and readability. Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16mlxsw: spectrum_router: remove redundant continue statementColin Ian King1-1/+0
The continue statement at the end of a for-loop has no effect, remove it. Addresses-Coverity: ("Continue has no effect") Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16nfp: flower-ct: implement action_merge checkLouis Peens1-0/+119
Fill in code stub to check that the flow actions are valid for merge. The actions of the flow X should not conflict with the matches of flow X+1. For now this check is quite strict and set_actions are very limited, will need to update this when NAT support is added. Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16nfp: flower-ct: fill ct metadata check functionLouis Peens1-5/+32
Fill in check_meta stub to check that ct_metadata action fields in the nft flow matches the ct_match data of the post_ct flow. Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16nfp: flower-ct: fill in ct merge check functionLouis Peens2-0/+190
Replace merge check stub code with the actual implementation. This checks that the match parts of two tc flows does not conflict. Only overlapping keys needs to be checked, and only the narrowest masked parts needs to be checked, so each key is masked with the AND'd result of both masks before comparing. Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16nfp: flower-ct: implement code to save merge of tc and nft flowsLouis Peens1-0/+187
Add in the code to merge the tc_merge objects with the flows received from nft. At the moment flows are just merged blindly as the validity check functions are stubbed out, this will be populated in follow-up patches. Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16nfp: flower-ct: add nft_merge tableLouis Peens3-0/+49
Add table and struct to save the result of the three-way merge between pre_ct,post_ct, and nft flows. Merging code is to be added in follow-up patches. Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16nfp: flower-ct: make a full copy of the rule when it is a NFT flowYinjun Zhang1-12/+46
The nft flow will be destroyed after offload cb returns. This means we need save a full copy of it since it can be referenced through other paths other than just the offload cb, for example when a new pre_ct or post_ct entry is added, and it needs to be merged with an existing nft entry. Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16nfp: flower-ct: add nft flows to nft listLouis Peens3-1/+77
Implement code to add and remove nft flows to the relevant list. Registering and deregistering the callback function for the nft table is quite complicated. The safest is to delete the callback on the removal of the last pre_ct flow. This is because if this is also the latest pre_ct flow in software it means that this specific nft table will be freed, so there will not be a later opportunity to do this. Another place where it looks possible to delete the callback is when the last nft_flow is deleted, but this happens under the flow_table lock, which is also taken when deregistering the callback, leading to a deadlock situation. This means the final solution here is to delete the callback when removing the last pre_ct flow, and then clean up any remaining nft_flow entries which may still be present, since there will never be a callback now to do this, leaving them orphaned if not cleaned up here as well. Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16nfp: flower-ct: add nft callback stubsLouis Peens2-1/+73
Add register/unregister of the nft callback. For now just add stub code to accept the flows, but don't do anything with it. Decided to accept the flows since netfilter will keep on trying to offload a flow if it was rejected, which is quite noisy. Follow-up patches will start implementing the functions to add nft flows to the relevant tables. Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16nfp: flower-ct: add delete flow handling for ctLouis Peens3-4/+49
Add functions to handle delete flow callbacks for ct flows. Also accept the flows for offloading by returning 0 instead of -EOPNOTSUPP. Flows will still not actually be offloaded to hw, but at this point it's difficult to not accept the flows and also exercise the cleanup paths properly. Traffic will still be handled safely through the fallback path. Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: phy: replace if-else statements with switchWeihang Li1-4/+9
Switch statement is clearer than a group of 'if-else'. Signed-off-by: Weihang Li <liweihang@huawei.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: phy: remove unnecessary line continuationWenpeng Liang2-6/+6
Avoid unnecessary line continuations, and put '|' at the end of line. Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: phy: print the function name by __func__ instead of an fixed stringWenpeng Liang1-2/+2
It's better to use __func__ than a fixed string to print a function's name. Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: phy: fix formatting issues with bracesWenpeng Liang4-12/+9
Fix following format issues: 1. open brace '{' following function definitions should go to the next line. 2. braces {} are not necessary for single line statements. 3. else should follow close brace '}'. Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: phy: fix space alignment issuesWenpeng Liang4-25/+25
There are some space related issues, including spaces at the start of the line, before tabs, after open parenthesis and before close parenthesis. Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: phy: delete repeated words of commentsWenpeng Liang2-2/+2
There are some repeated words in some comments, they should be deleted. Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: phy: correct format of block commentsWenpeng Liang5-9/+16
Block comments should not use a trailing */ on a separate line and every line of a block comment should start with an '*'. Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: phy: change format of some declarationsWenpeng Liang5-5/+9
Add a blank line after declarations, change the order of them and put the assignments and declarations together. Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: qualcomm: rmnet: Remove some unneeded castsSubash Abhinov Kasiviswanathan1-6/+5
Remove the explicit casts in the checksum complement functions and pass the actual protocol specific headers instead. Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: iosm: remove the repeated declaration and commentShaokun Zhang1-10/+0
Function 'ipc_mmio_get_cp_version' is declared twice, so remove the repeated declaration and wrong comments. Cc: M Chetan Kumar <m.chetan.kumar@intel.com> Cc: Intel Corporation <linuxwwan@intel.com> Cc: David S. Miller <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com> Reviewed-by: M Chetan Kumar <m.chetan.kumar@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: dsa: xrs700x: forward HSR supervision framesGeorge McCollister1-8/+19
Forward supervision frames between redunant HSR ports. This was broken in the last commit. Fixes: 1a42624aecba ("net: dsa: xrs700x: allow HSR/PRP supervision dupes for node_table") Signed-off-by: George McCollister <george.mccollister@gmail.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: qualcomm: rmnet: Allow partial updates of IFLA_FLAGSBjorn Andersson1-2/+4
The idiomatic way to handle the changelink flags/mask pair seems to be allow partial updates of the driver's link flags. In contrast the rmnet driver masks the incoming flags and then use that as the new flags. Change the rmnet driver to follow the common scheme, before the introduction of IFLA_RMNET_FLAGS handling in iproute2 et al. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Alex Elder <elder@linaro.org> Reviewed-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: hsr: don't check sequence number if tag removal is offloadedGeorge McCollister1-1/+2
Don't check the sequence number when deciding when to update time_in in the node table if tag removal is offloaded since the sequence number is part of the tag. This fixes a problem where the times in the node table wouldn't update when 0 appeared to be before or equal to seq_out when tag removal was offloaded. Signed-off-by: George McCollister <george.mccollister@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: stmmac: Fix error return code in ingenic_mac_probe()Wei Yongjun1-0/+1
Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: 2bb4b98b60d7 ("net: stmmac: Add Ingenic SoCs MAC support.") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-16net: chelsio: cxgb4: use eth_zero_addr() to assign zero addressYang Yingliang1-2/+1
Using eth_zero_addr() to assign zero address insetad of inefficient copy from an array. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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