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Mon, 30 Mar 2026 10:33:23 -0700 From: Chiara Meiohas To: , , CC: , , , , Patrisious Haddad , "Chiara Meiohas" Subject: [PATCH v2 iproute2-next 3/4] rdma: Add FRMR pools set aging command Date: Mon, 30 Mar 2026 20:31:17 +0300 Message-ID: <20260330173118.766885-4-cmeiohas@nvidia.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20260330173118.766885-1-cmeiohas@nvidia.com> References: <20260330173118.766885-1-cmeiohas@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000ECD4:EE_|SJ5PPFFA661D690:EE_ X-MS-Office365-Filtering-Correlation-Id: 2712fdb1-7443-47de-e643-08de8e827c6b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700016|376014|82310400026|18002099003|22082099003|56012099003; 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The aging mechanism frees unused FRMR handles that have not been in use for the specified period. Usage: rdma resource set frmr_pools dev DEV aging AGING_PERIOD Signed-off-by: Michael Guralnik Reviewed-by: Patrisious Haddad Reviewed-by: Chiara Meiohas --- man/man8/rdma-resource.8 | 22 +++++++++++++++ rdma/res-frmr-pools.c | 59 ++++++++++++++++++++++++++++++++++++++++ rdma/res.c | 13 +++++++++ rdma/res.h | 1 + 4 files changed, 95 insertions(+) diff --git a/man/man8/rdma-resource.8 b/man/man8/rdma-resource.8 index 4e2ba39a..a6dc33f3 100644 --- a/man/man8/rdma-resource.8 +++ b/man/man8/rdma-resource.8 @@ -26,6 +26,13 @@ rdma-resource \- rdma resource configuration .B rdma resource show .RI "[ " DEV/PORT_INDEX " ]" +.ti -8 +.B rdma resource set frmr_pools +.BR dev +.IR DEV +.BR aging +.IR AGING_PERIOD + .ti -8 .B rdma resource help @@ -37,6 +44,16 @@ rdma-resource \- rdma resource configuration - specifies the RDMA link to show. If this argument is omitted all links are listed. +.SS rdma resource set - configure resource related parameters + +.PP +.I "DEV" +- specifies the RDMA device to configure. + +.PP +.I "AGING_PERIOD" +- specifies the aging period in seconds for unused FRMR handles. Handles unused for this period will be freed. + .SH "EXAMPLES" .PP rdma resource show @@ -119,6 +136,11 @@ rdma resource show frmr_pools ats 1 Show FRMR pools that have ats attribute set. .RE .PP +rdma resource set frmr_pools dev rocep8s0f0 aging 120 +.RS 4 +Set the aging period for FRMR pools on device rocep8s0f0 to 120 seconds. +.RE +.PP .SH SEE ALSO .BR rdma (8), diff --git a/rdma/res-frmr-pools.c b/rdma/res-frmr-pools.c index 7d99a728..c9d80c4b 100644 --- a/rdma/res-frmr-pools.c +++ b/rdma/res-frmr-pools.c @@ -172,3 +172,62 @@ int res_frmr_pools_parse_cb(const struct nlmsghdr *nlh, void *data) } return ret; } + +static int res_frmr_pools_one_set_aging(struct rd *rd) +{ + uint32_t aging_period; + uint32_t seq; + + if (rd_no_arg(rd)) { + pr_err("Please provide aging period value.\n"); + return -EINVAL; + } + + if (get_u32(&aging_period, rd_argv(rd), 10)) { + pr_err("Invalid aging period value: %s\n", rd_argv(rd)); + return -EINVAL; + } + + if (aging_period == 0) { + pr_err("Setting the aging period to zero is not supported.\n"); + return -EINVAL; + } + + rd_prepare_msg(rd, RDMA_NLDEV_CMD_RES_FRMR_POOLS_SET, &seq, + (NLM_F_REQUEST | NLM_F_ACK)); + mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); + mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_RES_FRMR_POOL_AGING_PERIOD, + aging_period); + + return rd_sendrecv_msg(rd, seq); +} + +static int res_frmr_pools_one_set_help(struct rd *rd) +{ + pr_out("Usage: %s set frmr_pools dev DEV aging AGING_PERIOD\n", + rd->filename); + return 0; +} + +static int res_frmr_pools_one_set(struct rd *rd) +{ + const struct rd_cmd cmds[] = { + { NULL, res_frmr_pools_one_set_help }, + { "help", res_frmr_pools_one_set_help }, + { "aging", res_frmr_pools_one_set_aging }, + { 0 } + }; + + return rd_exec_cmd(rd, cmds, "resource set frmr_pools command"); +} + +int res_frmr_pools_set(struct rd *rd) +{ + int ret; + + ret = rd_set_arg_to_devname(rd); + if (ret) + return ret; + + return rd_exec_require_dev(rd, res_frmr_pools_one_set); +} diff --git a/rdma/res.c b/rdma/res.c index f1f13d74..63d8386a 100644 --- a/rdma/res.c +++ b/rdma/res.c @@ -28,6 +28,7 @@ static int res_help(struct rd *rd) pr_out(" resource show srq dev [DEV] [FILTER-NAME FILTER-VALUE]\n"); pr_out(" resource show frmr_pools dev [DEV]\n"); pr_out(" resource show frmr_pools dev [DEV] [FILTER-NAME FILTER-VALUE]\n"); + pr_out(" resource set frmr_pools dev DEV aging AGING_PERIOD\n"); return 0; } @@ -252,11 +253,23 @@ static int res_show(struct rd *rd) return rd_exec_cmd(rd, cmds, "parameter"); } +static int res_set(struct rd *rd) +{ + const struct rd_cmd cmds[] = { + { NULL, res_help }, + { "frmr_pools", res_frmr_pools_set }, + { 0 } + }; + + return rd_exec_cmd(rd, cmds, "resource set command"); +} + int cmd_res(struct rd *rd) { const struct rd_cmd cmds[] = { { NULL, res_show }, { "show", res_show }, + { "set", res_set }, { "list", res_show }, { "help", res_help }, { 0 } diff --git a/rdma/res.h b/rdma/res.h index 30edb8f8..dffbdb52 100644 --- a/rdma/res.h +++ b/rdma/res.h @@ -203,6 +203,7 @@ struct filters frmr_pools_valid_filters[MAX_NUMBER_OF_FILTERS] = { RES_FUNC(res_frmr_pools, RDMA_NLDEV_CMD_RES_FRMR_POOLS_GET, frmr_pools_valid_filters, true, 0); +int res_frmr_pools_set(struct rd *rd); void print_dev(uint32_t idx, const char *name); void print_link(uint32_t idx, const char *name, uint32_t port, struct nlattr **nla_line); void print_key(const char *name, uint64_t val, struct nlattr *nlattr); -- 2.38.1