- 02 3月, 2018 7 次提交
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由 Jiong Wang 提交于
This patch let bpftool print .dot graph file into stdout. This graph is generated by the following steps: - iterate through the function list. - generate basic-block(BB) definition for each BB in the function. - draw out edges to connect BBs. This patch is the initial support, the layout and decoration of the .dot graph could be improved. Also, it will be useful if we could visualize some performance data from static analysis. Signed-off-by: NJiong Wang <jiong.wang@netronome.com> Acked-by: NJakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
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由 Jiong Wang 提交于
This patch adds out edges for each basic-block. We will need these out edges to finish the .dot graph drawing. Signed-off-by: NJiong Wang <jiong.wang@netronome.com> Acked-by: NJakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
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由 Jiong Wang 提交于
This patch partition basic-block for each function in the CFG. The algorithm is simple, we identify basic-block head in a first traversal, then second traversal to identify the tail. We could build extended basic-block (EBB) in next steps. EBB could make the graph more readable when the eBPF sequence is big. Signed-off-by: NJiong Wang <jiong.wang@netronome.com> Acked-by: NJakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
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由 Jiong Wang 提交于
This patch detect all sub-programs from the eBPF sequence and keep the information in the new CFG data structure. The detection algorithm is basically the same as the one in verifier except we need to use insn->off instead of insn->imm to get the pc-relative call offset. Because verifier has modified insn->off/insn->imm during finishing the verification. Also, we don't need to do some sanity checks as verifier has done them. Signed-off-by: NJiong Wang <jiong.wang@netronome.com> Acked-by: NJakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
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由 Jiong Wang 提交于
This patch factors out those code of dumping xlated eBPF instructions into xlated_dumper.[h|c]. They are quite independent dumper functions, so better to be kept separately. New dumper support will be added in later patches in this set. Signed-off-by: NJiong Wang <jiong.wang@netronome.com> Acked-by: NJakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
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由 Jiong Wang 提交于
It is obvious we could use 'else if' instead of start a new 'if' in the touched code. Signed-off-by: NJiong Wang <jiong.wang@netronome.com> Acked-by: NJakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
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由 Prashant Bhole 提交于
test_cgrp2_sock.sh and test_cgrp2_sock2.sh tests keep the program attached to cgroup even after completion. Using detach functionality of test_cgrp2_sock in both scripts. Signed-off-by: NPrashant Bhole <bhole_prashant_q7@lab.ntt.co.jp> Acked-by: NDavid Ahern <dsa@cumulusnetworks.com> Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
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- 28 2月, 2018 1 次提交
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由 Daniel Borkmann 提交于
Unlike other archs flush_icache_range() is a noop on x64, therefore remove the JIT's bpf_flush_icache() altogether since not needed. Reported-by: NLinus Torvalds <torvalds@linux-foundation.org> Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net> Cc: Eric Dumazet <edumazet@google.com> Acked-by: NAlexei Starovoitov <ast@kernel.org> Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
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- 27 2月, 2018 32 次提交
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由 Alexei Starovoitov 提交于
Daniel Borkmann says: ==================== First one unifies the often repeated rlimit handling and the second one enables and adds run-time tests for BPF tail calls which provides useful coverage in particular for JITs. ==================== Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
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由 Daniel Borkmann 提交于
One of the downsides of the test_bpf module was that since being in kernel space, it couldn't test-run tail calls. Now that the test_verifier has the ability to perform run-time tests, populate the prog array so we actually jump into other BPF programs and can check all corner cases. Most useful in combination with JITs. Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net> Acked-by: NAlexei Starovoitov <ast@kernel.org> Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
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由 Daniel Borkmann 提交于
Unify memlock handling into bpf_rlimit.h and replace all occurences in BPF kselftests with it. Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net> Acked-by: NAlexei Starovoitov <ast@kernel.org> Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue由 David S. Miller 提交于
Jeff Kirsher says: ==================== 10GbE Intel Wired LAN Driver Updates 2018-02-26 This series contains updates to ixgbe and ixgbevf only. Colin Ian King cleans up redundant variable assignments. Tonghao Zhang updates ixgbe to avoid writing to the hardware when the redirection table has not changed. Jake fixes the driver logic for checking and clearing receive timestamp hangs so that when the PTP_RX_TIMESTAMP_IN_REGISTER flag is set, we no longer need to check for receive timestamp hangs, which in turn will stop the spurious log messages. Emil updates ixgbevf with several features and improvements done in other drivers, starting with the handling of page addresses so that we always refer to them using a void pointer. Added a 'legacy-rx' flag to allow switching between the old and new receive code paths. Added support for using 3K buggers in order 1 page. Updated the driver to ensure that calls to ixgbevf_open() are rtnl lock protected and improved the error handling when setting up multiple queues. Added support for providing a buffer with head room and tail room to allow for shared info, NET_SKB_PAD, and NET_IP_ALIGN, so that we can start using build_skb to build frames instead of using memcpy() the headers. Updated the logic of handling rings closer to ixgbe. Consolidated the receive paths to reduce duplication when we expand them in the future. Added build_skb() support to ixgbevf. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alexey Dobriyan 提交于
All kmem caches aren't reallocated once set up. Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Finn Thain says: ==================== Fixes, cleanup and modernization for SONIC ethernet drivers Changes since v4 of combined patch series: - Removed redundant and non-portable MACH_IS_MAC tests. - Omitted patches unrelated to SONIC drivers. - Dropped changes to the 'version_printed' logic and debug message text. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Finn Thain 提交于
Eliminate duplicated debug code by moving it into the core driver. Don't log the only valid silicon revision number (it's in the source). Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Chris Zankel <chris@zankel.net> Tested-by: NStan Johnson <userm57@yahoo.com> Signed-off-by: NFinn Thain <fthain@telegraphics.com.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Finn Thain 提交于
Add missing printk severity levels by adopting pr_foo() calls for the platform_driver and dev_foo() calls for the nubus_driver. Avoid KERN_CONT usage as per advice from checkpatch. Avoid #ifdef around printk calls. Don't log driver probe messages after calling register_netdev(). Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Chris Zankel <chris@zankel.net> Tested-by: NStan Johnson <userm57@yahoo.com> Signed-off-by: NFinn Thain <fthain@telegraphics.com.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Finn Thain 提交于
The MACH_IS_MAC test is redundant here because the platform device won't get registered unless MACH_IS_MAC. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NFinn Thain <fthain@telegraphics.com.au> Reviewed-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Finn Thain 提交于
This resolves an old issue preventing any NuBus SONIC NICs from working in a Mac with an on-board SONIC device. Tested-by: NStan Johnson <userm57@yahoo.com> Signed-off-by: NFinn Thain <fthain@telegraphics.com.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sergei Shtylyov 提交于
It appears that the single port Ether controllers having TSU (like SH7734/ R8A7740) need the same kind of treating in sh_eth_tsu_init() as R7S72100 currently has -- they also don't have the TSU registers related e.g. to passing the frames between ports. Add the 'sh_eth_cpu_data::dual_port' flag and use it as a new criterion for taking a "short path" in the TSU init sequence in order to avoid writing to the non-existent registers... Fixes: f0e81fec ("net: sh_eth: Add support SH7734") Fixes: 73a0d907 ("net: sh_eth: add support R8A7740") Signed-off-by: NSergei Shtylyov <sergei.shtylyov@cogentembedded.com> Tested-by: NGeert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sergei Shtylyov 提交于
The TSU_QTAG0/1 registers found in the Gigabit Ether controllers actually have the same long name as the TSU_QTAGM0/1 registers in the early Ether controllers: Qtag Addition/Deletion Set Register (Port 0/1 to 1/0); thus there's no need to make a difference in sh_eth_tsu_init() between those controllers. Unfortunately, we can't just remove TSU_QTAG0/1 from the register *enum* because that would break the ethtool register dump... Fixes: b0ca2a21 ("sh_eth: Add support of SH7763 to sh_eth") Signed-off-by: NSergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 BTaskaya 提交于
This patch converts old type string formattings to new type string formattings for adapting Linux Traffic Control (tc) unit testing suite python3. Linux Traffic Control (tc) unit testing suite's code quality improved is improved with this patch. According to python documentation; "The built-in string class provides the ability to do complex variable substitutions and value formatting via the format() method described in PEP 3101. " but the project was using old type formattings and new type string formattings together, this patch's main purpose is converting all old types to new types. Following files changed: 1. tools/testing/selftests/tc-testing/tdc.py 2. tools/testing/selftests/tc-testing/tdc_batch.py Following PEP rules applied: 1. PEP8 - Code Styling 2. PEP3101 - Advanced Code Formatting Signed-off-by: NBatuhan Osman Taskaya <batuhanosmantaskaya@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Colin Ian King 提交于
Variable dma is initialized with a value that is never read, later on it is re-assigned a new value, hence the initialization is redundant and can be removed. Cleans up clang warning: drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c:584:13: warning: Value stored to 'dma' during its initialization is never read Signed-off-by: NColin Ian King <colin.king@canonical.com> Acked-by: NAlexander Duyck <alexander.h.duyck@intel.com> Tested-by: NAndrew Bowers <andrewx.bowers@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Emil Tantilov 提交于
Add support for build_skb() similar to: commit 6f429223 ("ixgbe: Add support for build_skb") Signed-off-by: NEmil Tantilov <emil.s.tantilov@intel.com> Tested-by: NKrishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Emil Tantilov 提交于
Based on commit e0142726 ("igb: Break out Rx buffer page management") Consolidate Rx code paths to reduce duplication when we expand them in the future. Signed-off-by: NEmil Tantilov <emil.s.tantilov@intel.com> Tested-by: NKrishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Emil Tantilov 提交于
Make it so that all rings allocations are made as part of q_vector. The advantage to this is that we can keep all of the memory related to a single interrupt in one page. The goal is to bring the logic of handling rings closer to ixgbe. Signed-off-by: NEmil Tantilov <emil.s.tantilov@intel.com> Tested-by: NKrishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Emil Tantilov 提交于
Similar to commit a50c29dd ("ixgbe: Make certain that all frames fit minimum size requirements") Make sure that any packet we attempt to transmit will meet minimum size requirements. Signed-off-by: NEmil Tantilov <emil.s.tantilov@intel.com> Tested-by: NKrishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Emil Tantilov 提交于
Following the logic from commit 2de6aa3a ("ixgbe: Add support for padding packet") Add support for providing a buffer with headroom and tail room to allow for shared info, NET_SKB_PAD, and NET_IP_ALIGN. With this combined with the DMA changes we can start using build_skb to build frames around an incoming Rx buffer instead of having to memcpy the headers. Signed-off-by: NEmil Tantilov <emil.s.tantilov@intel.com> Tested-by: NKrishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Emil Tantilov 提交于
Add calls for netif_set_real_num_t/rx_queues() in ixgbevf_open(). Make sure that calls to ixgbevf_open() are rtnl protected and improve the error handling when setting up multiple queues. Signed-off-by: NEmil Tantilov <emil.s.tantilov@intel.com> Tested-by: NKrishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Emil Tantilov 提交于
Based on commit 8649aaef ("igb: Add support for using order 1 pages to receive large frames") Add support for using 3K buffers in order 1 page. We are reserving 1K for now to have space available for future tail room and head room when we enable build_skb support. Signed-off-by: NEmil Tantilov <emil.s.tantilov@intel.com> Tested-by: NKrishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Emil Tantilov 提交于
Introduce legacy-rx private flag that will allow switching between the old and new (build_skb based) Rx code paths. The implementation is the same as in commit e0891298 ("igb: Add support for ethtool private flag to allow use of legacy Rx") This provides a means of validating the legacy Rx path in the event that we are forced to fall back. At some point in the future when we are convinced we don't need it anymore we might be able to drop the legacy-rx flag. Signed-off-by: NEmil Tantilov <emil.s.tantilov@intel.com> Tested-by: NKrishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Emil Tantilov 提交于
Based on commit 3456fd53 ("igb: Use page_address offset from page instead of masking virtual address") Update the handling of page addresses so that we always refer to them using a void pointer, and try to use the consistent name of va indicating we are working with a virtual address. Signed-off-by: NEmil Tantilov <emil.s.tantilov@intel.com> Tested-by: NKrishneil Singh <krishneil.k.singh@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Jacob Keller 提交于
On hardware which supports timestamping all packets, the timestamps are recorded in the packet buffer, and the driver no longer uses or reads the registers. This makes the logic for checking and clearing Rx timestamp hangs meaningless. If we run the ixgbe_ptp_rx_hang() function in this case, then the driver will continuously spam the log output with "Clearing Rx timestamp hang". These messages are spurious, and confusing to end users. The original code in commit a9763f3c ("ixgbe: Update PTP to support X550EM_x devices", 2015-12-03) did have a flag PTP_RX_TIMESTAMP_IN_REGISTER which was intended to be used to avoid the Rx timestamp hang check, however it did not actually check the flag before calling the function. Do so now in order to stop the checks and prevent the spurious log messages. Fixes: a9763f3c ("ixgbe: Update PTP to support X550EM_x devices", 2015-12-03) Signed-off-by: NJacob Keller <jacob.e.keller@intel.com> Tested-by: NAndrew Bowers <andrewx.bowers@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Tonghao Zhang 提交于
If indir == 0 in the ixgbe_set_rxfh(), it is unnecessary to write the HW. Because redirection table is not changed. Signed-off-by: NTonghao Zhang <xiangxia.m.yue@gmail.com> Tested-by: NAndrew Bowers <andrewx.bowers@intel.com> Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
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由 Colin Ian King 提交于
The function xenvif_rx_skb is local to the source and does not need to be in global scope, so make it static. Cleans up sparse warning: drivers/net/xen-netback/rx.c:422:6: warning: symbol 'xenvif_rx_skb' was not declared. Should it be static? Signed-off-by: NColin Ian King <colin.king@canonical.com> Acked-by: NWei Liu <wei.liu2@citrix.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Brenda J. Butler says: ==================== tools: tc-testing: better error reporting This patch set contains a bit of cleanup and better error reporting, esp. in pre- and post-suite, and pre- and post-case commands. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Brenda J. Butler 提交于
Do a better job with error handling - in pre- and post-suite, in pre- and post-case. Show a traceback for errors. Signed-off-by: NBrenda J. Butler <bjb@mojatatu.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Brenda J. Butler 提交于
Signed-off-by: NBrenda J. Butler <bjb@mojatatu.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Colin Ian King 提交于
Bit pattern LOOPBACK_SGMII is being bit-wise or'd twice; remove the redundant 2nd LOOPBACK_SGMII Signed-off-by: NColin Ian King <colin.king@canonical.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Arnd Bergmann 提交于
gcc warns that 'resource_id' is not initialized if we don't come though any of the three 'case' statements before: drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c: In function 'mlxsw_sp_kvdl_part_init': drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c:275:8: error: 'resource_id' may be used uninitialized in this function [-Werror=maybe-uninitialized] In the current code, that won't happen, but it's more robust to explicitly handle this by returning a failure from mlxsw_sp_kvdl_part_init. Fixes: 887839e6 ("mlxsw: spectrum_kvdl: Add support for dynamic partition set") Signed-off-by: NArnd Bergmann <arnd@arndb.de> Acked-by: NArkadi Sharshevsky <arkadis@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Arnd Bergmann 提交于
Calculating the number of entries now uses 64-bit arithmetic that causes a link error on 32-bit architectures: drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.o: In function `mlxsw_sp_kvdl_init': spectrum_kvdl.c:(.text+0x51c): undefined reference to `__aeabi_uldivmod' We could probably use a 32-bit division here as before, but since this is not in a performance critical path, div_u64() seems cleaner here. Fixes: 887839e6 ("mlxsw: spectrum_kvdl: Add support for dynamic partition set") Signed-off-by: NArnd Bergmann <arnd@arndb.de> Acked-by: NArkadi Sharshevsky <arkadis@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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