From patchwork Mon Aug 21 23:25:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nambiar, Amritha" X-Patchwork-Id: 13359922 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D408C1BF12 for ; Mon, 21 Aug 2023 23:10:46 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD20B132 for ; Mon, 21 Aug 2023 16:10:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1692659445; x=1724195445; h=subject:from:to:cc:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=DYV6vgKNGL/3pniyUBVOvaUjNI3FC7bMVCagc7ynVS0=; b=Yfm4iCYP8TsLWbHsD7mM4cH5+7uDeYYaqXVwccrF36Z59Xcdq8DcgUEC S/okJ55XoVOFZk+wFXD0DRGXnfuUWqzp411OayXw+7XRAO82TnrJVm/rM iSrf8B8sCtDmv395hUl+K24kIKER/V5Aujb5L7N1O8ki1A+6rBk5mJfQb oTSyuliazoec14kPx0AJGV2aWUhVw1bE7gKSsdsaZwS1uR6eHE1N8lGu5 Hzu9StB1GKxQzzTL19Pk2fKP2JnPhfcnolDgi9nR/uGkdaAkfJ75bqNxI e/fgL4dwjvHp/f/VRmBJzSEMz936yW8wujiXjy0B7Kw2YYVzpIcYfveKb A==; X-IronPort-AV: E=McAfee;i="6600,9927,10809"; a="373698744" X-IronPort-AV: E=Sophos;i="6.01,191,1684825200"; d="scan'208";a="373698744" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2023 16:10:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10809"; a="982647709" X-IronPort-AV: E=Sophos;i="6.01,191,1684825200"; d="scan'208";a="982647709" Received: from anambiarhost.jf.intel.com ([10.166.29.163]) by fmsmga006.fm.intel.com with ESMTP; 21 Aug 2023 16:10:45 -0700 Subject: [net-next PATCH v2 8/9] netdev-genl: spec: Add PID in netdev netlink YAML spec From: Amritha Nambiar To: netdev@vger.kernel.org, kuba@kernel.org, davem@davemloft.net Cc: sridhar.samudrala@intel.com, amritha.nambiar@intel.com Date: Mon, 21 Aug 2023 16:25:52 -0700 Message-ID: <169266035228.10199.6686102970974174171.stgit@anambiarhost.jf.intel.com> In-Reply-To: <169266003844.10199.10450480941022607696.stgit@anambiarhost.jf.intel.com> References: <169266003844.10199.10450480941022607696.stgit@anambiarhost.jf.intel.com> User-Agent: StGit/unknown-version Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org Add support in netlink spec(netdev.yaml) for PID of the NAPI thread. Add code generated from the spec. Signed-off-by: Amritha Nambiar --- Documentation/netlink/specs/netdev.yaml | 5 +++++ include/uapi/linux/netdev.h | 1 + tools/include/uapi/linux/netdev.h | 1 + tools/net/ynl/generated/netdev-user.c | 6 ++++++ tools/net/ynl/generated/netdev-user.h | 2 ++ 5 files changed, 15 insertions(+) diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml index aef40397b026..3472f086d523 100644 --- a/Documentation/netlink/specs/netdev.yaml +++ b/Documentation/netlink/specs/netdev.yaml @@ -95,6 +95,10 @@ attribute-sets: name: irq doc: The associated interrupt vector number for the napi type: u32 + - + name: pid + doc: PID of the napi thread + type: s32 operations: list: @@ -143,6 +147,7 @@ operations: - rx-queues - tx-queues - irq + - pid dump: request: attributes: diff --git a/include/uapi/linux/netdev.h b/include/uapi/linux/netdev.h index d31241e155b9..b87ec27b2741 100644 --- a/include/uapi/linux/netdev.h +++ b/include/uapi/linux/netdev.h @@ -54,6 +54,7 @@ enum { NETDEV_A_NAPI_RX_QUEUES, NETDEV_A_NAPI_TX_QUEUES, NETDEV_A_NAPI_IRQ, + NETDEV_A_NAPI_PID, __NETDEV_A_NAPI_MAX, NETDEV_A_NAPI_MAX = (__NETDEV_A_NAPI_MAX - 1) diff --git a/tools/include/uapi/linux/netdev.h b/tools/include/uapi/linux/netdev.h index d31241e155b9..b87ec27b2741 100644 --- a/tools/include/uapi/linux/netdev.h +++ b/tools/include/uapi/linux/netdev.h @@ -54,6 +54,7 @@ enum { NETDEV_A_NAPI_RX_QUEUES, NETDEV_A_NAPI_TX_QUEUES, NETDEV_A_NAPI_IRQ, + NETDEV_A_NAPI_PID, __NETDEV_A_NAPI_MAX, NETDEV_A_NAPI_MAX = (__NETDEV_A_NAPI_MAX - 1) diff --git a/tools/net/ynl/generated/netdev-user.c b/tools/net/ynl/generated/netdev-user.c index a59377c70503..53a52055453d 100644 --- a/tools/net/ynl/generated/netdev-user.c +++ b/tools/net/ynl/generated/netdev-user.c @@ -65,6 +65,7 @@ struct ynl_policy_attr netdev_napi_policy[NETDEV_A_NAPI_MAX + 1] = { [NETDEV_A_NAPI_RX_QUEUES] = { .name = "rx-queues", .type = YNL_PT_U32, }, [NETDEV_A_NAPI_TX_QUEUES] = { .name = "tx-queues", .type = YNL_PT_U32, }, [NETDEV_A_NAPI_IRQ] = { .name = "irq", .type = YNL_PT_U32, }, + [NETDEV_A_NAPI_PID] = { .name = "pid", .type = YNL_PT_U32, }, }; struct ynl_policy_nest netdev_napi_nest = { @@ -244,6 +245,11 @@ int netdev_napi_get_rsp_parse(const struct nlmsghdr *nlh, void *data) return MNL_CB_ERROR; dst->_present.irq = 1; dst->irq = mnl_attr_get_u32(attr); + } else if (type == NETDEV_A_NAPI_PID) { + if (ynl_attr_validate(yarg, attr)) + return MNL_CB_ERROR; + dst->_present.pid = 1; + dst->pid = mnl_attr_get_u32(attr); } } diff --git a/tools/net/ynl/generated/netdev-user.h b/tools/net/ynl/generated/netdev-user.h index 9edc5828ca89..b3bbcdd5b669 100644 --- a/tools/net/ynl/generated/netdev-user.h +++ b/tools/net/ynl/generated/netdev-user.h @@ -112,6 +112,7 @@ struct netdev_napi_get_rsp { __u32 napi_id:1; __u32 ifindex:1; __u32 irq:1; + __u32 pid:1; } _present; __u32 napi_id; @@ -121,6 +122,7 @@ struct netdev_napi_get_rsp { unsigned int n_tx_queues; __u32 *tx_queues; __u32 irq; + __s32 pid; }; void netdev_napi_get_rsp_free(struct netdev_napi_get_rsp *rsp);