- 12 Jul, 2022 18 commits
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Moshe Shemesh authored
Let the core take the devlink instance lock around port_new and port_del callbacks and remove the now redundant locking in the only driver that currently use them. Signed-off-by:
Moshe Shemesh <moshe@nvidia.com> Reviewed-by:
Leon Romanovsky <leonro@nvidia.com> Signed-off-by:
Saeed Mahameed <saeedm@nvidia.com> Signed-off-by:
Paolo Abeni <pabeni@redhat.com>
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Moshe Shemesh authored
The callback mlx5_devlink_eswitch_mode_set() had unlocked devlink as a temporary workaround once devlink instance lock was added to devlink eswitch callbacks. Now that all flows triggered by this function that took devlink lock are using devl_ API and all parallel paths are locked we can remove this workaround. Signed-off-by:
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Moshe Shemesh authored
As part of the flows invoked by mlx5_devlink_eswitch_mode_set() get to mlx5_rescan_drivers_locked() which can call mlx5e_probe()/mlx5e_remove and register/unregister mlx5e driver ports accordingly. This can lead to deadlock once mlx5_devlink_eswitch_mode_set() will use devlink lock. Use devl_port_register/unregister() instead of devlink_port_register/unregister() and add devlink instance locks in the driver paths to this function to have it locked while calling devl_ API function. If remove or probe were called by module init or module cleanup flows, need to lock devlink just before calling devl_port_register(), otherwise it is called by attach/detach or register/unregister flow and we can have the flow locked. Added flag to distinguish between these cases. This will be used by the downstream patch to invoke mlx5_devlink_eswitch_mode_set() with devlink locked. Signed-off-by:
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Moshe Shemesh authored
The previous patch removed the last usage of the functions devlink_rate_leaf_create() and devlink_rate_nodes_destroy(). Thus, remove these function from devlink API. Signed-off-by:
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Moshe Shemesh authored
The function mlx5_esw_devlink_sf_port_register() calls devlink_port_register() and devlink_rate_leaf_create(). Use devl_ API to call devl_port_register() and devl_rate_leaf_create() accordingly and add devlink instance lock in driver paths to this function. Similarly, use devl_ API to call devl_port_unregister() and devl_rate_leaf_destroy() in mlx5_esw_devlink_sf_port_unregister() and ensure locking devlink instance lock on all the paths to this function too. This will be used by the downstream patch to invoke mlx5_devlink_eswitch_mode_set() with devlink lock held. Note this patch is taking devlink lock on mlx5_devlink_sf_port_new/del() which are devlink callbacks for port_new/del(). We will take these locks off once these callbacks will be locked by devlink too. Signed-off-by:
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Moshe Shemesh authored
The function mlx5_esw_offloads_devlink_port_register() calls devlink_port_register() and devlink_rate_leaf_create(). Use devl_ API to call devl_port_register() and devl_rate_leaf_create() accordingly and add devlink instance lock in driver paths to this function. Similarly, use devl_ API to call devl_port_unregister() and devl_rate_leaf_destroy() in mlx5_esw_offloads_devlink_port_unregister() and ensure locking devlink instance lock on the paths to this function too. This will be used by the downstream patch to invoke mlx5_devlink_eswitch_mode_set() with devlink lock held. Signed-off-by:
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Moshe Shemesh authored
The previous patch removed the last usage of the function devlink_rate_nodes_destroy(). Thus, remove this function from devlink API. Signed-off-by:
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Moshe Shemesh authored
Use devl_rate_nodes_destroy() instead of devlink_rate_nodes_destroy(). Add devlink instance lock in the driver paths to this function to have it locked while calling devl_ API function. This will be used by the downstream patch to invoke mlx5_devlink_eswitch_mode_set() with devlink lock held. Signed-off-by:
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Moshe Shemesh authored
The function mlx5_eswtich_mode_callback_enter() was added as a temporary workaround once devlink instance lock was added to devlink eswitch callbacks. However, code review and testing show that all the callbacks part to eswitch_mode_set don't take devlink instance lock in any flow and so unlocking devlink instance lock while entering these functions is not needed. Remove devl_lock from mlx5_eswtich_mode_callback_enter() and devl_unlock from mlx5_eswtich_mode_callback_exit(). Also remove the functions mlx5_eswtich_mode_callback_enter()/exit() as they are not needed any more. The callback eswitch_mode_set will be treated separately in the following patches. Signed-off-by:
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Justin Stitt authored
When building with Clang we encounter the following warning: | drivers/net/ethernet/amd/xgbe/xgbe-dcb.c:234:42: error: format specifies | type 'unsigned char' but the argument has type '__u16' (aka 'unsigned | short') [-Werror,-Wformat] pfc->pfc_cap, pfc->pfc_en, pfc->mbc, | pfc->delay); pfc->pfc_cap , pfc->pfc_cn, pfc->mbc are all of type `u8` while pfc->delay is of type `u16`. The correct format specifiers `%hh[u|x]` were used for the first three but not for pfc->delay, which is causing the warning above. Variadic functions (printf-like) undergo default argument promotion. Documentation/core-api/printk-formats.rst specifically recommends using the promoted-to-type's format flag. In this case `%d` (or `%x` to maintain hex representation) should be used since both u8's and u16's are fully representable by an int. Moreover, C11 6.3.1.1 states: (https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1548.pdf) `If an int can represent all values of the original type ..., the value is converted to an int; otherwise, it is converted to an unsigned int. These are called the integer promotions.` Link: https://github.com/ClangBuiltLinux/linux/issues/378Signed-off-by:
Justin Stitt <justinstitt@google.com> Reviewed-by:
Nick Desaulniers <ndesaulniers@google.com> Tested-by:
Jakub Kicinski <kuba@kernel.org>
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Christophe JAILLET authored
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them. It is less verbose and it improves the semantic. Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/7f795bd6d5b2a00f581175b7069b229c2e5a4192.1657379127.git.christophe.jaillet@wanadoo.frSigned-off-by:
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Christophe JAILLET authored
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them. It is less verbose and it improves the semantic. Signed-off-by:
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Christophe JAILLET authored
Use devm_bitmap_zalloc() instead of hand-writing them. It is less verbose and it improves the semantic. Signed-off-by:
Kurt Kanzenbach <kurt@linutronix.de> Link: https://lore.kernel.org/r/8306e2ae69a5d8553691f5d10a86a4390daf594b.1657376651.git.christophe.jaillet@wanadoo.frSigned-off-by:
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Jakub Kicinski authored
Jakub Kicinski says: ==================== tls: rx: follow-ups to NoPad A few fixes for issues spotted by Maxim. ==================== Link: https://lore.kernel.org/r/20220709025255.323864-1-kuba@kernel.orgSigned-off-by:
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Jakub Kicinski authored
Make sure setsockopt / getsockopt behave as expected. Signed-off-by: -
Jakub Kicinski authored
Maxim reports do_tls_getsockopt_no_pad() will always return an error. Indeed looks like refactoring gone wrong - remove err and use value. Reported-by:
Maxim Mikityanskiy <maximmi@nvidia.com> Fixes: 88527790 ("tls: rx: add sockopt for enabling optimistic decrypt with TLS 1.3") Signed-off-by:
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Jakub Kicinski authored
As discussed with Maxim add a counter for true NoPad violations. This should help deployments catch unexpected padded records vs just control records which always need re-encryption. https: //lore.kernel.org/all/b111828e6ac34baad9f4e783127eba8344ac252d.camel@nvidia.com/ Signed-off-by: -
Jakub Kicinski authored
MIN -> MIB Fixes: 88527790 ("tls: rx: add sockopt for enabling optimistic decrypt with TLS 1.3") Signed-off-by:
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- 11 Jul, 2022 17 commits
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Sieng-Piaw Liew authored
NAPI poll() function may be passed a budget value of zero, i.e. during netpoll, which isn't NAPI context. Therefore, napi_consume_skb() must be given budget value instead of !force to truly discern netpoll-like scenarios. Fixes: c63c615e ("bcm63xx_enet: switch to napi_build_skb() to reuse skbuff_heads") Signed-off-by:
Sieng-Piaw Liew <liew.s.piaw@gmail.com> Link: https://lore.kernel.org/r/20220708080303.298-1-liew.s.piaw@gmail.comSigned-off-by:
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Jakub Kicinski authored
Ratheesh Kannoth says: ==================== octeontx2: Exact Match Table. Exact match table and Field hash support for CN10KB silicon ==================== Link: https://lore.kernel.org/r/20220708044151.2972645-1-rkannoth@marvell.comSigned-off-by:
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Ratheesh Kannoth authored
Enabled EXACT match flag in Kex default profile. Since there is no space in key, NPC_PARSE_NIBBLE_ERRCODE is removed Signed-off-by:
Ratheesh Kannoth <rkannoth@marvell.com> Signed-off-by:
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Ratheesh Kannoth authored
NPC exact match table can support more entries than RPM dmac filters. This requires field size of DMAC filter count and index to be increased. Signed-off-by:
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Ratheesh Kannoth authored
If exact match table is supported, call functions to add/del/update entries in exact match table instead of RPM dmac filters Signed-off-by:
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Ratheesh Kannoth authored
These functions are wrappers for mac add/addr/del/update in exact match table. These will be invoked from mbox handler routines if exact matct table is supported and enabled. Signed-off-by:
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Ratheesh Kannoth authored
Exact match table modification requires wider fields as it has more number of slots to fill in. Modifying an entry in exact match table may cause hash collision and may be required to delete entry from 4-way 2K table and add to fully associative 32 entry CAM table. Signed-off-by:
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Ratheesh Kannoth authored
There debugfs files created. 1. General information on exact match table 2. Exact match table entries. 3. NPC mcam drop on hit count stats. Signed-off-by:
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Ratheesh Kannoth authored
NPC exact match table installs drop on hit rules in NPC mcam for each channel. This rule has broadcast and multicast bits cleared. Exact match bit cleared and channel bits set. If exact match table hit bit is 0, corresponding NPC mcam drop rule will be hit for the packet and will be dropped. Signed-off-by:
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Ratheesh Kannoth authored
FLR handler should remove/free all exact match table resources corresponding to each interface. Signed-off-by:
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Ratheesh Kannoth authored
CN10KB silicon supports Exact match feature. This feature can be disabled through devlink configuration. Devlink command fails if DMAC filter rules are already present. Once disabled, legacy RPM based DMAC filters will be configured. Signed-off-by:
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Ratheesh Kannoth authored
CN10KB silicon supports exact match table. Scanning KEX profile should check for exact match feature is enabled and then set profile masks properly. These kex profile masks are required to configure NPC MCAM drop rules. If there is a miss in exact match table, these drop rules will drop those packets. Signed-off-by:
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Ratheesh Kannoth authored
CN10KB silicon has support for exact match table. This table can be used to match maimum 64 bit value of KPU parsed output. Hit/non hit in exact match table can be used as a KEX key to NPC mcam. This patch makes use of Exact match table to increase number of DMAC filters supported. NPC mcam is no more need for each of these DMAC entries as will be populated in Exact match table. This patch implements following 1. Initialization of exact match table only for CN10KB. 2. Add/del/update interface function for exact match table. Signed-off-by:
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Ratheesh Kannoth authored
CN10KB variant of CN10K series of silicons supports a new feature where in a large protocol field (eg 128bit IPv6 DIP) can be condensed into a small hashed 32bit data. This saves a lot of space in MCAM key and allows user to add more protocol fields into the filter. A max of two such protocol data can be hashed. This patch adds support for hashing IPv6 SIP and/or DIP. Signed-off-by:
Suman Ghosh <sumang@marvell.com> Signed-off-by:
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Jilin Yuan authored
Delete the redundant word 'test'. Signed-off-by:
Jilin Yuan <yuanjilin@cdjrlc.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jilin Yuan authored
Delete the redundant word 'driver'. Signed-off-by:
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sewookseo authored
If we set XFRM security policy by calling setsockopt with option IPV6_XFRM_POLICY, the policy will be stored in 'sock_policy' in 'sock' struct. However tcp_v6_send_response doesn't look up dst_entry with the actual socket but looks up with tcp control socket. This may cause a problem that a RST packet is sent without ESP encryption & peer's TCP socket can't receive it. This patch will make the function look up dest_entry with actual socket, if the socket has XFRM policy(sock_policy), so that the TCP response packet via this function can be encrypted, & aligned on the encrypted TCP socket. Tested: We encountered this problem when a TCP socket which is encrypted in ESP transport mode encryption, receives challenge ACK at SYN_SENT state. After receiving challenge ACK, TCP needs to send RST to establish the socket at next SYN try. But the RST was not encrypted & peer TCP socket still remains on ESTABLISHED state. So we verified this with test step as below. [Test step] 1. Making a TCP state mismatch between client(IDLE) & server(ESTABLISHED). 2. Client tries a new connection on the same TCP ports(src & dst). 3. Server will return challenge ACK instead of SYN,ACK. 4. Client will send RST to server to clear the SOCKET. 5. Client will retransmit SYN to server on the same TCP ports. [Expected result] The TCP connection should be established. Cc: Maciej Żenczykowski <maze@google.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Steffen Klassert <steffen.klassert@secunet.com> Cc: Sehee Lee <seheele@google.com> Signed-off-by:
Sewook Seo <sewookseo@google.com> Reviewed-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
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- 09 Jul, 2022 5 commits
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextJakub Kicinski authored
Daniel Borkmann says: ==================== pull-request: bpf-next 2022-07-09 We've added 94 non-merge commits during the last 19 day(s) which contain a total of 125 files changed, 5141 insertions(+), 6701 deletions(-). The main changes are: 1) Add new way for performing BTF type queries to BPF, from Daniel Müller. 2) Add inlining of calls to bpf_loop() helper when its function callback is statically known, from Eduard Zingerman. 3) Implement BPF TCP CC framework usability improvements, from Jörn-Thorben Hinz. 4) Add LSM flavor for attaching per-cgroup BPF programs to existing LSM hooks, from Stanislav Fomichev. 5) Remove all deprecated libbpf APIs in prep for 1.0 release, from Andrii Nakryiko. 6) Add benchmarks around local_storage to BPF selftests, from Dave Marchevsky. 7) AF_XDP sample removal (given move to libxdp) and various improvements around AF_XDP selftests, from Magnus Karlsson & Maciej Fijalkowski. 8) Add bpftool improvements for memcg probing and bash completion, from Quentin Monnet. 9) Add arm64 JIT support for BPF-2-BPF coupled with tail calls, from Jakub Sitnicki. 10) Sockmap optimizations around throughput of UDP transmissions which have been improved by 61%, from Cong Wang. 11) Rework perf's BPF prologue code to remove deprecated functions, from Jiri Olsa. 12) Fix sockmap teardown path to avoid sleepable sk_psock_stop, from John Fastabend. 13) Fix libbpf's cleanup around legacy kprobe/uprobe on error case, from Chuang Wang. 14) Fix libbpf's bpf_helpers.h to work with gcc for the case of its sec/pragma macro, from James Hilliard. 15) Fix libbpf's pt_regs macros for riscv to use a0 for RC register, from Yixun Lan. 16) Fix bpftool to show the name of type BPF_OBJ_LINK, from Yafang Shao. * https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (94 commits) selftests/bpf: Fix xdp_synproxy build failure if CONFIG_NF_CONNTRACK=m/n bpf: Correctly propagate errors up from bpf_core_composites_match libbpf: Disable SEC pragma macro on GCC bpf: Check attach_func_proto more carefully in check_return_code selftests/bpf: Add test involving restrict type qualifier bpftool: Add support for KIND_RESTRICT to gen min_core_btf command MAINTAINERS: Add entry for AF_XDP selftests files selftests, xsk: Rename AF_XDP testing app bpf, docs: Remove deprecated xsk libbpf APIs description selftests/bpf: Add benchmark for local_storage RCU Tasks Trace usage libbpf, riscv: Use a0 for RC register libbpf: Remove unnecessary usdt_rel_ip assignments selftests/bpf: Fix few more compiler warnings selftests/bpf: Fix bogus uninitialized variable warning bpftool: Remove zlib feature test from Makefile libbpf: Cleanup the legacy uprobe_event on failed add/attach_event() libbpf: Fix wrong variable used in perf_event_uprobe_open_legacy() libbpf: Cleanup the legacy kprobe_event on failed add/attach_event() selftests/bpf: Add type match test against kernel's task_struct selftests/bpf: Add nested type to type based tests ... ==================== Link: https://lore.kernel.org/r/20220708233145.32365-1-daniel@iogearbox.netSigned-off-by: -
Linus Walleij authored
If there is a MAC address specified in the device tree, then use it. This is already perfectly legal to specify in accordance with the generic ethernet-controller.yaml schema. Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Linus Walleij authored
If the firmware does not provide a MAC address to the driver, fall back to generating a random MAC address. Signed-off-by:
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Eric Dumazet authored
We want to kfree(table) if @table has been kmalloced, ie for non initial network namespace. Fixes: 849d5aa3 ("af_unix: Do not call kmemdup() for init_net's sysctl table.") Signed-off-by:
Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by:
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David S. Miller authored
Mat Martineau says: ==================== mptcp: Self test improvements and a header tweak Patch 1 moves a definition to a header so it can be used in a struct declaration. Patch 2 adjusts a time threshold for a selftest that runs much slower on debug kernels (and even more on slow CI infrastructure), to reduce spurious failures. Patches 3 & 4 improve userspace PM test coverage. Patches 5 & 6 clean up output from a test script and selftest helper tool. ==================== Signed-off-by:
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