- 24 Jan, 2020 1 commit
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Nikolay Aleksandrov authored
If we make sure that br_allowed_egress is called only when we have BR_STATE_FORWARDING state then we can avoid a test later when we add per-vlan state. Signed-off-by:
Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 23 Jan, 2020 36 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linuxDavid S. Miller authored
Saeed Mahameed says: ==================== mlx5-updates-2020-01-22 This series provides updates to mlx5 driver. 1) Misc small cleanups 2) Some SW steering updates including header copy support 3) Full ethtool statistics support for E-Switch uplink representor Some refactoring was required to share the bare-metal NIC ethtool stats with the Uplink representor. On Top of this Vlad converts the ethtool stats support in E-Swtich vports representors to use the mlx5e "stats groups" infrastructure and then applied all applicable stats to the uplink representor netdev. ==================== Signed-off-by: -
David S. Miller authored
Dan Murphy says: ==================== Add PHY IDs for DP83825/6 Adding new PHY IDs for the DP83825 and DP83826 TI Ethernet PHYs to the DP83822 PHY driver. ==================== Signed-off-by: -
Dan Murphy authored
Add PHY IDs for the DP83825CS, DP83825CM and the DP83825S devices to the DP83822 driver. Signed-off-by:
Dan Murphy <dmurphy@ti.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Signed-off-by:
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Dan Murphy authored
Add phy IDs to the DP83822 phy driver for the DP83826N and the DP83826NC devices. The register map and features are the same for basic enablement. Signed-off-by:
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David S. Miller authored
Gautam Ramakrishnan says: ==================== net: sched: add Flow Queue PIE packet scheduler Flow Queue PIE packet scheduler This patch series implements the Flow Queue Proportional Integral controller Enhanced (FQ-PIE) active queue Management algorithm. It is an enhancement over the PIE algorithm. It integrates the PIE aqm with a deficit round robin scheme. FQ-PIE is implemented over the latest version of PIE which uses timestamps to calculate queue delay with an additional option of using average dequeue rate to calculate the queue delay. This patch also adds a memory limit of all the packets across all queues to a default value of 32Mb. - Patch #1 - Creates pie.h and moves all small functions and structures common to PIE and FQ-PIE here. The functions are all made inline. - Patch #2 - #8 - Addresses code formatting, indentation, comment changes and rearrangement of structure members. - Patch #9 - Refactors sch_pie.c by changing arguments to calculate_probability(), [pie_]drop_early() and pie_process_dequeue() to make it generic enough to be used by sch_fq_pie.c. These functions are exported to be used by sch_fq_pie.c. - Patch #10 - Adds the FQ-PIE Qdisc. For more information: https://tools.ietf.org/html/rfc8033 Changes from v6 to v7 - Call tcf_block_put() when destroying the Qdisc as suggested by Jakub Kicinski. Changes from v5 to v6 - Rearranged struct members according to their access pattern and to remove holes. Changes from v4 to v5 - This patch series breaks down patch 1 of v4 into separate logical commits as suggested by David Miller. Changes from v3 to v4 - Used non deprecated version of nla_parse_nested - Used SZ_32M macro - Removed an unused variable - Code cleanup All suggested by Jakub and Toke. Changes from v2 to v3 - Exported drop_early, pie_process_dequeue and calculate_probability functions from sch_pie as suggested by Stephen Hemminger. Changes from v1 ( and RFC patch) to v2 - Added timestamp to calculate queue delay as recommended by Dave Taht - Packet memory limit implemented as recommended by Toke. - Added external classifier as recommended by Toke. - Used NET_XMIT_CN instead of NET_XMIT_DROP as the return value in the fq_pie_qdisc_enqueue function. ==================== Signed-off-by: -
Mohit P. Tahiliani authored
Principles: - Packets are classified on flows. - This is a Stochastic model (as we use a hash, several flows might be hashed to the same slot) - Each flow has a PIE managed queue. - Flows are linked onto two (Round Robin) lists, so that new flows have priority on old ones. - For a given flow, packets are not reordered. - Drops during enqueue only. - ECN capability is off by default. - ECN threshold (if ECN is enabled) is at 10% by default. - Uses timestamps to calculate queue delay by default. Usage: tc qdisc ... fq_pie [ limit PACKETS ] [ flows NUMBER ] [ target TIME ] [ tupdate TIME ] [ alpha NUMBER ] [ beta NUMBER ] [ quantum BYTES ] [ memory_limit BYTES ] [ ecnprob PERCENTAGE ] [ [no]ecn ] [ [no]bytemode ] [ [no_]dq_rate_estimator ] defaults: limit: 10240 packets, flows: 1024 target: 15 ms, tupdate: 15 ms (in jiffies) alpha: 1/8, beta : 5/4 quantum: device MTU, memory_limit: 32 Mb ecnprob: 10%, ecn: off bytemode: off, dq_rate_estimator: off Signed-off-by:Mohit P. Tahiliani <tahiliani@nitk.edu.in> Signed-off-by:
Sachin D. Patil <sdp.sachin@gmail.com> Signed-off-by:
V. Saicharan <vsaicharan1998@gmail.com> Signed-off-by:
Mohit Bhasi <mohitbhasi1998@gmail.com> Signed-off-by:
Leslie Monis <lesliemonis@gmail.com> Signed-off-by:
Gautam Ramakrishnan <gautamramk@gmail.com> Signed-off-by:
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Mohit P. Tahiliani authored
This patch makes the drop_early(), calculate_probability() and pie_process_dequeue() functions generic enough to be used by both PIE and FQ-PIE (to be added in a future commit). The major change here is in the way the functions take in arguments. This patch exports these functions and makes FQ-PIE dependent on sch_pie. Signed-off-by:
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Mohit P. Tahiliani authored
Make the alignment in the initialization of the struct instances consistent in the file. Signed-off-by:
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Mohit P. Tahiliani authored
Fix punctuation and logical mistakes in the comments. The logical mistake was that "dequeue_rate" is no longer the default way to calculate queuing delay and is not needed. The default way to calculate queue delay was changed in commit cec2975f ("net: sched: pie: enable timestamp based delay calculation"). Signed-off-by:
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Mohit P. Tahiliani authored
Improve the comments along with the commenting style used to describe the members of the structures and their initial values in the init functions. Signed-off-by:
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Mohit P. Tahiliani authored
Rearrange the members of the structure such that closely referenced members appear together and/or fit in the same cacheline. Also, change the order of their initializations to match the order in which they appear in the structure. Signed-off-by:
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Mohit P. Tahiliani authored
Linux best practice recommends using u8 for true/false values in structures. Signed-off-by:
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Mohit P. Tahiliani authored
Rearrange macros in order of length and align the values to improve readability. Signed-off-by:
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Mohit P. Tahiliani authored
Use the U64_MAX macro to denote the constant (2^64 - 1). Signed-off-by:
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Mohit P. Tahiliani authored
This patch moves macros, structures and small functions common to PIE and FQ-PIE (to be added in a future commit) from the file net/sched/sch_pie.c to the header file include/net/pie.h. All the moved functions are made inline. Signed-off-by:
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Heiner Kallweit authored
Convert suitable drivers to use new helper phy_do_ioctl_running. Signed-off-by:
Heiner Kallweit <hkallweit1@gmail.com> Acked-by:
Timur Tabi <timur@kernel.org> Acked-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextDavid S. Miller authored
Alexei Starovoitov says: ==================== pull-request: bpf-next 2020-01-22 The following pull-request contains BPF updates for your *net-next* tree. We've added 92 non-merge commits during the last 16 day(s) which contain a total of 320 files changed, 7532 insertions(+), 1448 deletions(-). The main changes are: 1) function by function verification and program extensions from Alexei. 2) massive cleanup of selftests/bpf from Toke and Andrii. 3) batched bpf map operations from Brian and Yonghong. 4) tcp congestion control in bpf from Martin. 5) bulking for non-map xdp_redirect form Toke. 6) bpf_send_signal_thread helper from Yonghong. ==================== Signed-off-by: -
Vlad Buslov authored
Extend stats group array of uplink representor with all stats that are available for PF in legacy mode, besides ipsec and TLS which are not supported. Don't output vport stats for uplink representor because they are already handled by 802_3 group (with different names: {tx|rx}_{bytes|packets}_phy). Signed-off-by:Vlad Buslov <vladbu@mellanox.com> Reviewed-by:
Roi Dayan <roid@mellanox.com> Signed-off-by:
Saeed Mahameed <saeedm@mellanox.com>
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Vlad Buslov authored
Q counters were disabled for all types of representors to prevent an issue where there is not enough resources to init q counters for 127 representor instances. Enable q counters only for uplink representors to support "rx_out_of_buffer", "rx_if_down_packets" counters in ethtool. Signed-off-by:
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Vlad Buslov authored
In order to support all of the supported stats that are available in legacy mode for switchdev uplink representors, convert rep stats infrastructure to reuse struct mlx5e_stats_grp that is already used when device is in legacy mode. Refactor rep code to use array of mlx5e_stats_grp structures (constructed using macros provided by stats infra) to fill/update stats, instead of fixed hardcoded set of values. This approach allows to easily extend representors with new stats types. Signed-off-by:
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Saeed Mahameed authored
Don't copy all of the stats groups used for mlx5e ethernet NIC profile, have a separate stats groups for IPoIB with the set of the needed stats only. Signed-off-by: -
Saeed Mahameed authored
Convert stats groups array to array of "stats group" pointers to allow sharing and individual selection of groups per profile as illustrated in the next patches. Signed-off-by:
Tariq Toukan <tariqt@mellanox.com>
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Saeed Mahameed authored
Introduce new macros to declare stats callbacks and groups, for better code reuse and for individual groups selection per profile which will be introduced in next patches. Signed-off-by:
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Saeed Mahameed authored
Attach stats groups array to the profiles and make the stats utility functions (get_num, update, fill, fill_strings) generic and use the profile->stats_grps rather the hardcoded NIC stats groups. This will allow future extension to have per profile stats groups. In this patch mlx5e NIC and IPoIB will still share the same stats groups. Signed-off-by:
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Roi Dayan authored
Clean up the code and allows to call uplink rep init/cleanup from different location later. To be used later for a new uplink representor mode. Signed-off-by:
Eli Britstein <elibr@mellanox.com> Signed-off-by:
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Yevgeny Kliteynik authored
Allow connecting SW steering source table to a lower/same level destination table. Lifting this limitation is required to support Connection Tracking. Signed-off-by:
Yevgeny Kliteynik <kliteyn@mellanox.com> Signed-off-by:
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Hamdan Igbaria authored
Modify header supports ADD/SET and from this patch also COPY. Copy allows to copy header fields and metadata. Signed-off-by:
Hamdan Igbaria <hamdani@mellanox.com> Signed-off-by:
Alex Vesker <valex@mellanox.com> Signed-off-by:
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Hamdan Igbaria authored
Modify set actions are not supported on both tx and rx, added a check for that. Also refactored the code in a way that every modify action has his own functions, this needed so in the future we could add copy action more smoothly. Signed-off-by:
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wenxu authored
In the flowtables offload all the devices in the flowtables share the same flow_block. An offload rule will be installed on all the devices. This scenario is not correct. It is no problem if there are only two devices in the flowtable, The rule with ingress and egress on the same device can be reject by driver. But more than two devices in the flowtable will install the wrong rules on hardware. For example: Three devices in a offload flowtables: dev_a, dev_b, dev_c A rule ingress from dev_a and egress to dev_b: The rule will install on device dev_a. The rule will try to install on dev_b but failed for ingress and egress on the same device. The rule will install on dev_c. This is not correct. The flowtables offload avoid this case through restricting the ingress dev with FLOW_DISSECTOR_KEY_META. So the mlx5e driver also should support the FLOW_DISSECTOR_KEY_META parse. Signed-off-by:
wenxu <wenxu@ucloud.cn> Acked-by:
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Chen Wandun authored
Fix the following sparse warning: drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_chains.c:35:20: warning: symbol 'ESW_POOLS' was not declared. Should it be static? Fixes: 39ac237c ("net/mlx5: E-Switch, Refactor chains and priorities") Signed-off-by:
Chen Wandun <chenwandun@huawei.com> Acked-by:
Paul Blakey <paulb@mellanox.com> Signed-off-by:
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Davide Caratti authored
since mlx5 hardware can segment correctly TSO packets on VXLAN over VLAN topologies, CPU usage can improve significantly if we enable tunnel offloads in dev->vlan_features, like it was done in the past with other NIC drivers (e.g. mlx4, be2net and ixgbe). Signed-off-by:
Davide Caratti <dcaratti@redhat.com> Signed-off-by:
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Olof Johansson authored
Use "%zu" for size_t. Seen on ARM allmodconfig: drivers/net/ethernet/mellanox/mlx5/core/wq.c: In function 'mlx5_wq_cyc_wqe_dump': include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'size_t' {aka 'unsigned int'} [-Wformat=] Fixes: 130c7b46 ("net/mlx5e: TX, Dump WQs wqe descriptors on CQE with error events") Signed-off-by:Olof Johansson <olof@lixom.net> Signed-off-by:
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Alexei Starovoitov authored
Martin KaFai Lau says: ==================== This set adds bpf_cubic.c example. It was separated from the earlier BPF STRUCT_OPS series. Some highlights since the last post: 1. It is based on EricD recent fixes to the kernel tcp_cubic. [1] 2. The bpf jiffies reading helper is inlined by the verifier. Different from the earlier version, it only reads jiffies alone and does not do usecs/jiffies conversion. 3. The bpf .kconfig map is used to read CONFIG_HZ. [1]: https://patchwork.ozlabs.org/cover/1215066/ v3: - Remove __weak from CONFIG_HZ in patch 3. (Andrii) v2: - Move inlining to fixup_bpf_calls() in patch 1. (Daniel) - It is inlined for 64 BITS_PER_LONG and jit_requested as the map_gen_lookup(). Other cases could be considered together with map_gen_lookup() if needed. - Use usec resolution in bictcp_update() calculation in patch 3. usecs_to_jiffies() is then removed(). (Eric) ==================== Signed-off-by:
Alexei Starovoitov <ast@kernel.org>
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Martin KaFai Lau authored
This patch adds a bpf_cubic example. Some highlights: 1. CONFIG_HZ .kconfig map is used. 2. In bictcp_update(), calculation is changed to use usec resolution (i.e. USEC_PER_JIFFY) instead of using jiffies. Thus, usecs_to_jiffies() is not used in the bpf_cubic.c. 3. In bitctcp_update() [under tcp_friendliness], the original "while (ca->ack_cnt > delta)" loop is changed to the equivalent "ca->ack_cnt / delta" operation. Signed-off-by:
Martin KaFai Lau <kafai@fb.com> Signed-off-by:
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Martin KaFai Lau authored
This patch sync uapi bpf.h to tools/. Signed-off-by:
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Martin KaFai Lau authored
This patch adds a helper to read the 64bit jiffies. It will be used in a later patch to implement the bpf_cubic.c. The helper is inlined for jit_requested and 64 BITS_PER_LONG as the map_gen_lookup(). Other cases could be considered together with map_gen_lookup() if needed. Signed-off-by:
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- 22 Jan, 2020 3 commits
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Daniel Borkmann authored
Alexei Starovoitov says: ==================== The last few month BPF community has been discussing an approach to call chaining, since exiting bpt_tail_call() mechanism used in production XDP programs has plenty of downsides. The outcome of these discussion was a conclusion to implement dynamic re-linking of BPF programs. Where rootlet XDP program attached to a netdevice can programmatically define a policy of execution of other XDP programs. Such rootlet would be compiled as normal XDP program and provide a number of placeholder global functions which later can be replaced with future XDP programs. BPF trampoline, function by function verification were building blocks towards that goal. The patch 1 is a final building block. It introduces dynamic program extensions. A number of improvements like more flexible function by function verification and better libbpf api will be implemented in future patches. v1->v2: - addressed Andrii's comments - rebase ==================== Signed-off-by:Daniel Borkmann <daniel@iogearbox.net>
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Alexei Starovoitov authored
Add program extension tests that build on top of fexit_bpf2bpf tests. Replace three global functions in previously loaded test_pkt_access.c program with three new implementations: int get_skb_len(struct __sk_buff *skb); int get_constant(long val); int get_skb_ifindex(int val, struct __sk_buff *skb, int var); New function return the same results as original only if arguments match. new_get_skb_ifindex() demonstrates that 'skb' argument doesn't have to be first and only argument of BPF program. All normal skb based accesses are available. Signed-off-by:
John Fastabend <john.fastabend@gmail.com> Acked-by:
Andrii Nakryiko <andriin@fb.com> Acked-by:
Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/bpf/20200121005348.2769920-4-ast@kernel.org
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Alexei Starovoitov authored
Add minimal support for program extensions. bpf_object_open_opts() needs to be called with attach_prog_fd = target_prog_fd and BPF program extension needs to have in .c file section definition like SEC("freplace/func_to_be_replaced"). libbpf will search for "func_to_be_replaced" in the target_prog_fd's BTF and will pass it in attach_btf_id to the kernel. This approach works for tests, but more compex use case may need to request function name (and attach_btf_id that kernel sees) to be more dynamic. Such API will be added in future patches. Signed-off-by:
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