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Thu, 19 Oct 2023 01:21:50 -0700 From: Patrisious Haddad To: , , , CC: Patrisious Haddad , , , , , , Subject: [PATCH iproute2-next 1/3] rdma: update uapi headers Date: Thu, 19 Oct 2023 11:21:36 +0300 Message-ID: <20231019082138.18889-2-phaddad@nvidia.com> X-Mailer: git-send-email 2.18.1 In-Reply-To: <20231019082138.18889-1-phaddad@nvidia.com> References: <20231019082138.18889-1-phaddad@nvidia.com> MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00001506:EE_|DM6PR12MB4516:EE_ X-MS-Office365-Filtering-Correlation-Id: c7efe724-101b-4eaf-76eb-08dbd07c7876 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230031)(4636009)(136003)(376002)(39860400002)(346002)(396003)(230922051799003)(186009)(64100799003)(1800799009)(451199024)(82310400011)(46966006)(36840700001)(40470700004)(47076005)(336012)(40480700001)(426003)(356005)(7636003)(36756003)(82740400003)(1076003)(26005)(107886003)(2616005)(8936002)(4326008)(478600001)(70586007)(7696005)(8676002)(110136005)(5660300002)(70206006)(83380400001)(54906003)(2906002)(316002)(40460700003)(6666004)(4744005)(86362001)(15650500001)(41300700001)(36860700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Oct 2023 08:22:01.7202 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c7efe724-101b-4eaf-76eb-08dbd07c7876 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF00001506.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4516 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Update rdma_netlink.h file upto kernel commit 36ce80759f8c ("RDMA/core: Add support to set privileged qkey parameter") Signed-off-by: Patrisious Haddad Reviewed-by: Michael Guralnik --- rdma/include/uapi/rdma/rdma_netlink.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/rdma/include/uapi/rdma/rdma_netlink.h b/rdma/include/uapi/rdma= /rdma_netlink.h index 92c528a0..3a506efa 100644 --- a/rdma/include/uapi/rdma/rdma_netlink.h +++ b/rdma/include/uapi/rdma/rdma_netlink.h @@ -554,6 +554,12 @@ enum rdma_nldev_attr { RDMA_NLDEV_ATTR_STAT_HWCOUNTER_INDEX, /* u32 */ RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC, /* u8 */ =20 + /* + * To enable or disable using privileged_qkey without being + * a privileged user. + */ + RDMA_NLDEV_SYS_ATTR_PRIVILEGED_QKEY_MODE, /* u8 */ + /* * Always the end */ --=20 2.18.1 From nobody Thu Jan 1 19:29:54 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCC3ECDB482 for ; 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Thu, 19 Oct 2023 01:21:53 -0700 From: Patrisious Haddad To: , , , CC: Patrisious Haddad , , , , , , Subject: [PATCH iproute2-next 2/3] rdma: Add an option to set privileged QKEY parameter Date: Thu, 19 Oct 2023 11:21:37 +0300 Message-ID: <20231019082138.18889-3-phaddad@nvidia.com> X-Mailer: git-send-email 2.18.1 In-Reply-To: <20231019082138.18889-1-phaddad@nvidia.com> References: <20231019082138.18889-1-phaddad@nvidia.com> MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF0000150A:EE_|BL3PR12MB6523:EE_ X-MS-Office365-Filtering-Correlation-Id: 634f688e-3530-4186-91ad-08dbd07c7bd8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230031)(4636009)(346002)(136003)(39860400002)(396003)(376002)(230922051799003)(451199024)(1800799009)(64100799003)(186009)(82310400011)(40470700004)(46966006)(36840700001)(40480700001)(86362001)(47076005)(40460700003)(26005)(70586007)(54906003)(82740400003)(316002)(36756003)(70206006)(110136005)(356005)(7636003)(83380400001)(2616005)(36860700001)(7696005)(8936002)(107886003)(336012)(1076003)(426003)(6666004)(5660300002)(41300700001)(8676002)(2906002)(478600001)(4326008);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Oct 2023 08:22:07.3963 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 634f688e-3530-4186-91ad-08dbd07c7bd8 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF0000150A.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR12MB6523 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Enrich rdmatool with an option to enable or disable privileged QKEY. When enabled, non-privileged users will be allowed to specify a controlled QKEY. By default this parameter is disabled in order to comply with IB spec. According to the IB specification rel-1.6, section 3.5.3: "QKEYs with the most significant bit set are considered controlled QKEYs, and a HCA does not allow a consumer to arbitrarily specify a controlled QKEY." This allows old applications which existed before the kernel commit: 0cadb4db79e1 ("RDMA/uverbs: Restrict usage of privileged QKEYs") they can use privileged QKEYs without being a privileged user to now be able to work again without being privileged granted they turn on this parameter. rdma tool command examples and output. $ rdma system show netns shared privileged-qkey off copy-on-fork on $ rdma system set privileged-qkey on $ rdma system show netns shared privileged-qkey on copy-on-fork on Signed-off-by: Patrisious Haddad Reviewed-by: Michael Guralnik --- rdma/sys.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++-- rdma/utils.c | 1 + 2 files changed, 63 insertions(+), 2 deletions(-) diff --git a/rdma/sys.c b/rdma/sys.c index fd785b25..32ca3444 100644 --- a/rdma/sys.c +++ b/rdma/sys.c @@ -17,6 +17,11 @@ static const char *netns_modes_str[] =3D { "shared", }; =20 +static const char *privileged_qkey_str[] =3D { + "off", + "on", +}; + static int sys_show_parse_cb(const struct nlmsghdr *nlh, void *data) { struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] =3D {}; @@ -40,6 +45,22 @@ static int sys_show_parse_cb(const struct nlmsghdr *nlh,= void *data) mode_str); } =20 + if (tb[RDMA_NLDEV_SYS_ATTR_PRIVILEGED_QKEY_MODE]) { + const char *pqkey_str; + uint8_t pqkey_mode; + + pqkey_mode =3D + mnl_attr_get_u8(tb[RDMA_NLDEV_SYS_ATTR_PRIVILEGED_QKEY_MODE]); + + if (pqkey_mode < ARRAY_SIZE(privileged_qkey_str)) + pqkey_str =3D privileged_qkey_str[pqkey_mode]; + else + pqkey_str =3D "unknown"; + + print_color_string(PRINT_ANY, COLOR_NONE, "privileged-qkey", + "privileged-qkey %s ", pqkey_str); + } + if (tb[RDMA_NLDEV_SYS_ATTR_COPY_ON_FORK]) cof =3D mnl_attr_get_u8(tb[RDMA_NLDEV_SYS_ATTR_COPY_ON_FORK]); =20 @@ -67,8 +88,9 @@ static int sys_show_no_args(struct rd *rd) static int sys_show(struct rd *rd) { const struct rd_cmd cmds[] =3D { - { NULL, sys_show_no_args}, - { "netns", sys_show_no_args}, + { NULL, sys_show_no_args}, + { "netns", sys_show_no_args}, + { "privileged-qkey", sys_show_no_args}, { 0 } }; =20 @@ -86,6 +108,17 @@ static int sys_set_netns_cmd(struct rd *rd, bool enable) return rd_sendrecv_msg(rd, seq); } =20 +static int sys_set_privileged_qkey_cmd(struct rd *rd, bool enable) +{ + uint32_t seq; + + rd_prepare_msg(rd, RDMA_NLDEV_CMD_SYS_SET, + &seq, (NLM_F_REQUEST | NLM_F_ACK)); + mnl_attr_put_u8(rd->nlh, RDMA_NLDEV_SYS_ATTR_PRIVILEGED_QKEY_MODE, enable= ); + + return rd_sendrecv_msg(rd, seq); +} + static bool sys_valid_netns_cmd(const char *cmd) { int i; @@ -97,6 +130,17 @@ static bool sys_valid_netns_cmd(const char *cmd) return false; } =20 +static bool sys_valid_privileged_qkey_cmd(const char *cmd) +{ + int i; + + for (i =3D 0; i < ARRAY_SIZE(privileged_qkey_str); i++) { + if (!strcmp(cmd, privileged_qkey_str[i])) + return true; + } + return false; +} + static int sys_set_netns_args(struct rd *rd) { bool cmd; @@ -111,10 +155,25 @@ static int sys_set_netns_args(struct rd *rd) return sys_set_netns_cmd(rd, cmd); } =20 +static int sys_set_privileged_qkey_args(struct rd *rd) +{ + bool cmd; + + if (rd_no_arg(rd) || !sys_valid_privileged_qkey_cmd(rd_argv(rd))) { + pr_err("valid options are: { on | off }\n"); + return -EINVAL; + } + + cmd =3D (strcmp(rd_argv(rd), "on") =3D=3D 0) ? true : false; + + return sys_set_privileged_qkey_cmd(rd, cmd); +} + static int sys_set_help(struct rd *rd) { pr_out("Usage: %s system set [PARAM] value\n", rd->filename); pr_out(" system set netns { shared | exclusive }\n"); + pr_out(" system set privileged-qkey { on | off }\n"); return 0; } =20 @@ -124,6 +183,7 @@ static int sys_set(struct rd *rd) { NULL, sys_set_help }, { "help", sys_set_help }, { "netns", sys_set_netns_args}, + { "privileged-qkey", sys_set_privileged_qkey_args}, { 0 } }; =20 diff --git a/rdma/utils.c b/rdma/utils.c index 8a091c05..09985069 100644 --- a/rdma/utils.c +++ b/rdma/utils.c @@ -473,6 +473,7 @@ static const enum mnl_attr_data_type nldev_policy[RDMA_= NLDEV_ATTR_MAX] =3D { [RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK] =3D MNL_TYPE_U32, [RDMA_NLDEV_ATTR_DEV_DIM] =3D MNL_TYPE_U8, [RDMA_NLDEV_ATTR_RES_RAW] =3D MNL_TYPE_BINARY, + [RDMA_NLDEV_SYS_ATTR_PRIVILEGED_QKEY_MODE] =3D MNL_TYPE_U8, }; =20 static int rd_attr_check(const struct nlattr *attr, int *typep) --=20 2.18.1 From nobody Thu Jan 1 19:29:54 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D040CDB482 for ; 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Thu, 19 Oct 2023 01:21:56 -0700 From: Patrisious Haddad To: , , , CC: Patrisious Haddad , , , , , , Subject: [PATCH iproute2-next 3/3] rdma: Adjust man page for rdma system set privileged_qkey command Date: Thu, 19 Oct 2023 11:21:38 +0300 Message-ID: <20231019082138.18889-4-phaddad@nvidia.com> X-Mailer: git-send-email 2.18.1 In-Reply-To: <20231019082138.18889-1-phaddad@nvidia.com> References: <20231019082138.18889-1-phaddad@nvidia.com> MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB56:EE_|IA1PR12MB8408:EE_ X-MS-Office365-Filtering-Correlation-Id: 10fa9d37-4c92-44db-6445-08dbd07c7efb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230031)(4636009)(346002)(136003)(376002)(39860400002)(396003)(230922051799003)(451199024)(82310400011)(186009)(64100799003)(1800799009)(46966006)(40470700004)(36840700001)(40460700003)(47076005)(36860700001)(40480700001)(6666004)(7696005)(41300700001)(2906002)(2616005)(1076003)(336012)(26005)(7636003)(107886003)(356005)(36756003)(426003)(316002)(4326008)(70586007)(8936002)(110136005)(54906003)(70206006)(5660300002)(86362001)(8676002)(478600001)(82740400003)(83380400001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Oct 2023 08:22:12.5952 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 10fa9d37-4c92-44db-6445-08dbd07c7efb X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0001AB56.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB8408 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: Patrisious Haddad Reviewed-by: Michael Guralnik --- man/man8/rdma-system.8 | 32 +++++++++++++++++++++++++++----- 1 file changed, 27 insertions(+), 5 deletions(-) diff --git a/man/man8/rdma-system.8 b/man/man8/rdma-system.8 index ab1d89fd..a2914eb8 100644 --- a/man/man8/rdma-system.8 +++ b/man/man8/rdma-system.8 @@ -23,16 +23,16 @@ rdma-system \- RDMA subsystem configuration =20 .ti -8 .B rdma system set -.BR netns -.BR NEWMODE +.BR netns/privileged_qkey +.BR NEWMODE/NEWSTATE =20 .ti -8 .B rdma system help =20 .SH "DESCRIPTION" -.SS rdma system set - set RDMA subsystem network namespace mode +.SS rdma system set - set RDMA subsystem network namespace mode or privile= ged qkey mode =20 -.SS rdma system show - display RDMA subsystem network namespace mode +.SS rdma system show - display RDMA subsystem network namespace mode and p= rivileged qkey state =20 .PP .I "NEWMODE" @@ -49,12 +49,21 @@ network namespaces is not needed, shared mode can be us= ed. =20 It is preferred to not change the subsystem mode when there is active RDMA traffic running, even though it is supported. +.PP +.I "NEWSTATE" +- specifies the new state of the privileged_qkey parameter. Either enabled= or disabled. +Whereas this decides whether a non-privileged user is allowed to specify a= controlled +QKEY or not, since such QKEYS are considered privileged. + +When this parameter is enabled, non-privileged users will be allowed to +specify a controlled QKEY. =20 .SH "EXAMPLES" .PP rdma system show .RS 4 -Shows the state of RDMA subsystem network namespace mode on the system. +Shows the state of RDMA subsystem network namespace mode on the system and +the state of privileged qkey parameter. .RE .PP rdma system set netns exclusive @@ -69,6 +78,19 @@ Sets the RDMA subsystem in network namespace shared mode= . In this mode RDMA devi are shared among network namespaces. .RE .PP +.PP +rdma system set privileged_qkey enabled +.RS 4 +Sets the privileged_qkey parameter to enabled. In this state non-privilege= d user +is allowed to specify a controlled QKEY. +.RE +.PP +rdma system set privileged_qkey disabled +.RS 4 +Sets the privileged_qkey parameter to disabled. In this state non-privileg= ed user +is *not* allowed to specify a controlled QKEY. +.RE +.PP =20 .SH SEE ALSO .BR rdma (8), --=20 2.18.1