Changes in Makefile

d25a92cc - net/smc: Introduce IPPROTO_SMC

Thu, 13 Jun 2024 18:00:30 +0000

net/smc: Introduce IPPROTO_SMCThis patch allows to create smc socket via AF_INET,similar to the following code,/* create v4 smc sock */v4 = socket(AF_INET, SOCK_STREAM, IPPROTO_SMC);/* create v6 smc sock */v6 = socket(AF_INET6, SOCK_STREAM, IPPROTO_SMC);There are several reasons why we believe it is appropriate here:1. For smc sockets, it actually use IPv4 (AF-INET) or IPv6 (AF-INET6)address. There is no AF_SMC address at all.2. Create smc socket in the AF_INET(6) path, which allows us to reusethe infrastructure of AF_INET(6) path, such as common ebpf hooks.Otherwise, smc have to implement it again in AF_SMC path.Signed-off-by: D. Wythe Reviewed-by: Wenjia Zhang Reviewed-by: Dust Li Tested-by: Niklas Schnelle Tested-by: Wenjia Zhang Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

46ac6441 - net/smc: introduce loopback-ism for SMC intra-OS shortcut

Sun, 28 Apr 2024 06:07:29 +0000

net/smc: introduce loopback-ism for SMC intra-OS shortcutThis introduces a kind of Emulated-ISM device named loopback-ism forSMCv2.1. The loopback-ism device is currently exclusive for SMC usage,and aims to provide an SMC shortcut for sockets within the same kernel,leading to improved intra-OS traffic performance. Configuration of thisfeature is managed through the config SMC_LO.Signed-off-by: Wen Gu Reviewed-by: Gerd Bayer Reviewed-by: Wenjia Zhang Reviewed-and-tested-by: Jan Karcher Signed-off-by: Paolo Abeni List of files: /linux-6.15/net/smc/Makefile

7de8eb0d - net/smc: fix compile warning for smc_sysctl

Mon, 07 Mar 2022 01:54:24 +0000

net/smc: fix compile warning for smc_sysctlkernel test robot reports multiple warning for smc_sysctl: In file included from net/smc/smc_sysctl.c:17:>> net/smc/smc_sysctl.h:23:5: warning: no previous prototype \ for function 'smc_sysctl_init' [-Wmissing-prototypes] int smc_sysctl_init(void) ^and >> WARNING: modpost: vmlinux.o(.text+0x12ced2d): Section mismatch \ in reference from the function smc_sysctl_exit() to the variable .init.data:smc_sysctl_ops The function smc_sysctl_exit() references the variable __initdata smc_sysctl_ops. This is often because smc_sysctl_exit lacks a __initdata annotation or the annotation of smc_sysctl_ops is wrong.and net/smc/smc_sysctl.c: In function 'smc_sysctl_init_net': net/smc/smc_sysctl.c:47:17: error: 'struct netns_smc' has no member named 'smc_hdr' 47 | net->smc.smc_hdr = register_net_sysctl(net, "net/smc", table);Since we don't need global sysctl initialization. To make thingsclean and simple, remove the global pernet_operations andsmc_sysctl_{init|exit}. Call smc_sysctl_net_{init|exit} directlyfrom smc_net_{init|exit}.Also initialized sysctl_autocorking_size if CONFIG_SYSCTL it notset, this make sure SMC autocorking is enabled by default ifCONFIG_SYSCTL is not set.Fixes: 462791bbfa35 ("net/smc: add sysctl interface for SMC")Reported-by: kernel test robot Signed-off-by: Dust Li Tested-by: Randy Dunlap # build-testedSigned-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

462791bb - net/smc: add sysctl interface for SMC

Tue, 01 Mar 2022 09:43:56 +0000

net/smc: add sysctl interface for SMCThis patch add sysctl interface to support container environmentfor SMC as we talk in the mail list.Link: https://lore.kernel.org/netdev/20220224020253.GF5443@linux.alibaba.comCo-developed-by: Tony Lu Signed-off-by: Tony Lu Signed-off-by: Dust Li Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

48262608 - net/smc: Introduce tracepoint for fallback

Mon, 01 Nov 2021 07:39:12 +0000

net/smc: Introduce tracepoint for fallbackThis introduces tracepoint for smc fallback to TCP, so that we can trackwhich connection and why it fallbacks, and map the clcsocks' pointer with/proc/net/tcp to find more details about TCP connections. Compared withkprobe or other dynamic tracing, tracepoints are stable and easy to use.Signed-off-by: Tony Lu Reviewed-by: Wen Gu Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

e0e4b8fa - net/smc: Add SMC statistics support

Wed, 16 Jun 2021 14:52:55 +0000

net/smc: Add SMC statistics supportAdd the ability to collect SMC statistics information. Per-cpuvariables are used to collect the statistic information for betterperformance and for reducing concurrency pitfalls. The code that iscollecting statistic data is implemented in macros to increase codereuse and readability.Signed-off-by: Guvenc Gulce Signed-off-by: Karsten Graul Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

e8372d9d - net/smc: Introduce generic netlink interface for diagnostic purposes

Tue, 01 Dec 2020 19:20:43 +0000

net/smc: Introduce generic netlink interface for diagnostic purposesIntroduce generic netlink interface infrastructure to exposethe diagnostic information regarding smc linkgroups, links and devices.Signed-off-by: Guvenc Gulce Signed-off-by: Karsten Graul Signed-off-by: Jakub Kicinski List of files: /linux-6.15/net/smc/Makefile

ec8f24b7 - treewide: Add SPDX license identifier - Makefile/Kconfig

Sun, 19 May 2019 12:07:45 +0000

treewide: Add SPDX license identifier - Makefile/KconfigAdd SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any formThese files fall under the project license, GPL v2 only. The resulting SPDXlicense identifier is: GPL-2.0-onlySigned-off-by: Thomas Gleixner Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/net/smc/Makefile

c6ba7c9b - net/smc: add base infrastructure for SMC-D and ISM

Thu, 28 Jun 2018 17:05:07 +0000

net/smc: add base infrastructure for SMC-D and ISMSMC supports two variants: SMC-R and SMC-D. For data transport, SMC-Ruses RDMA devices, SMC-D uses so-called Internal Shared Memory (ISM)devices. An ISM device only allows shared memory communication betweenSMC instances on the same machine. For example, this allows virtualmachines on the same host to communicate via SMC without RDMA devices.This patch adds the base infrastructure for SMC-D and ISM devices tothe existing SMC code. It contains the following:* ISM driver interface: This interface allows an ISM driver to register ISM devices in SMC. In the process, the driver provides a set of device ops for each device. SMC uses these ops to execute SMC specific operations on or transfer data over the device.* Core SMC-D link group, connection, and buffer support: Link groups, SMC connections and SMC buffers (in smc_core) are extended to support SMC-D.* SMC type checks: Some type checks are added to prevent using SMC-R specific code for SMC-D and vice versa.To actually use SMC-D, additional changes to pnetid, CLC, CDC, etc. arerequired. These are added in follow-up patches.Signed-off-by: Hans Wippel Signed-off-by: Ursula Braun Suggested-by: Thomas Richter Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

f16a7dd5 - smc: netlink interface for SMC sockets

Mon, 09 Jan 2017 15:55:26 +0000

smc: netlink interface for SMC socketsSupport for SMC socket monitoring via netlink sockets of protocolNETLINK_SOCK_DIAG.Signed-off-by: Ursula Braun Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

b38d7324 - smc: socket closing and linkgroup cleanup

Mon, 09 Jan 2017 15:55:25 +0000

smc: socket closing and linkgroup cleanupsmc_shutdown() and smc_release() handlingdelayed linkgroup cleanup for linkgroups without connectionsSigned-off-by: Ursula Braun Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

952310cc - smc: receive data from RMBE

Mon, 09 Jan 2017 15:55:24 +0000

smc: receive data from RMBEmove RMBE data into user space buffer and update managing cursorsSigned-off-by: Ursula Braun Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

e6727f39 - smc: send data (through RDMA)

Mon, 09 Jan 2017 15:55:23 +0000

smc: send data (through RDMA)copy data to kernel send buffer, and trigger RDMA writeSigned-off-by: Ursula Braun Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

5f08318f - smc: connection data control (CDC)

Mon, 09 Jan 2017 15:55:22 +0000

smc: connection data control (CDC)send and receive CDC messages (via IB message send and CQE)Signed-off-by: Ursula Braun Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

9bf9abea - smc: link layer control (LLC)

Mon, 09 Jan 2017 15:55:21 +0000

smc: link layer control (LLC)send and receive LLC messages CONFIRM_LINK (via IB message send and CQE)Signed-off-by: Ursula Braun Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

f38ba179 - smc: work request (WR) base for use by LLC and CDC

Mon, 09 Jan 2017 15:55:19 +0000

smc: work request (WR) base for use by LLC and CDCThe base containers for RDMA transport are work requests and completionqueue entries processed through Infiniband verbs:* allocate and initialize these areas* map these areas to DMA* implement the basic communication consisting of work request posting and receival of completion queue eventsSigned-off-by: Ursula Braun Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

0cfdd8f9 - smc: connection and link group creation

Mon, 09 Jan 2017 15:55:17 +0000

smc: connection and link group creation* create smc_connection for SMC-sockets* determine suitable link group for a connection* create a new link group if necessarySigned-off-by: Ursula Braun Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

a046d57d - smc: CLC handshake (incl. preparation steps)

Mon, 09 Jan 2017 15:55:16 +0000

smc: CLC handshake (incl. preparation steps)* CLC (Connection Layer Control) handshakeSigned-off-by: Ursula Braun Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

6812baab - smc: establish pnet table management

Mon, 09 Jan 2017 15:55:15 +0000

smc: establish pnet table managementConnection creation with SMC-R starts through an internalTCP-connection. The Ethernet interface for this TCP-connection is notrestricted to the Ethernet interface of a RoCE device. Any existingEthernet interface belonging to the same physical net can be used, aslong as there is a defined relation between the Ethernet interface andsome RoCE devices. This relation is defined with the help of anidentification string called "Physical Net ID" or short "pnet ID".Information about defined pnet IDs and their related Ethernetinterfaces and RoCE devices is stored in the SMC-R pnet table.A pnet table entry consists of the identifying pnet ID and theassociated network and IB device.This patch adds pnet table configuration support using thegeneric netlink message interface referring to network and IB deviceby their names. Commands exist to add, delete, and display pnet tableentries, and to flush or display the entire pnet table.There are cross-checks to verify whether the ethernet interfacesor infiniband devices really exist in the system. If either deviceis not available, the pnet ID entry is not created.Loss of network devices and IB devices is also monitored;a pnet ID entry is removed when an associated network orIB device is removed.Signed-off-by: Thomas Richter Signed-off-by: Ursula Braun Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile

a4cf0443 - smc: introduce SMC as an IB-client

Mon, 09 Jan 2017 15:55:14 +0000

smc: introduce SMC as an IB-client* create a list of SMC IB-devicesSigned-off-by: Ursula Braun Signed-off-by: David S. Miller List of files: /linux-6.15/net/smc/Makefile