From patchwork Fri Dec 1 23:29:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nambiar, Amritha" X-Patchwork-Id: 13476579 X-Patchwork-Delegate: kuba@kernel.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="h9P8RRUC" Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F16A0D63 for ; Fri, 1 Dec 2023 15:12:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701472365; x=1733008365; h=subject:from:to:cc:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=f9i0+/NJblxom+Twd+9H2FEgGKNWmb149rY/7CMUkQU=; b=h9P8RRUCxQZMH45lCMjFsVHJ1PwlNzLlPMuj1/KN+KMqlkHdGv0MIZJi FvEc42hZNBRrG3+kJJYiJyiyd4TVxU9m6osLvM5kIWDtpy1ZKuXSRYa3u oqFnQg4t3Iq6bYocykw9l7+JcRx01tf92kYyQxtF/vm9p/JMHnr3dTRh9 vgajOhNuRMTzdmuergHT1Mb8YvqlKLDntV540ViUYbxgGbEH1jqxknJ8O 56slyXheSecygc+a2Tvyuh5AB988njj6J29paCovMQscSnk78fsEcl/Je H2p4IJpzyO4Ms7fPtui9UgmdYYjVgYza+dqJagxHOFD+EcZ7n6YtLuaXR A==; X-IronPort-AV: E=McAfee;i="6600,9927,10911"; a="458512" X-IronPort-AV: E=Sophos;i="6.04,242,1695711600"; d="scan'208";a="458512" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Dec 2023 15:12:44 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10911"; a="943228661" X-IronPort-AV: E=Sophos;i="6.04,242,1695711600"; d="scan'208";a="943228661" Received: from anambiarhost.jf.intel.com ([10.166.29.163]) by orsmga005.jf.intel.com with ESMTP; 01 Dec 2023 15:12:43 -0800 Subject: [net-next PATCH v11 09/11] netdev-genl: spec: Add PID in netdev netlink YAML spec From: Amritha Nambiar To: netdev@vger.kernel.org, kuba@kernel.org, pabeni@redhat.com Cc: edumazet@google.com, ast@kernel.org, sdf@google.com, lorenzo@kernel.org, tariqt@nvidia.com, daniel@iogearbox.net, anthony.l.nguyen@intel.com, lucien.xin@gmail.com, michael.chan@broadcom.com, hawk@kernel.org, sridhar.samudrala@intel.com, amritha.nambiar@intel.com Date: Fri, 01 Dec 2023 15:29:13 -0800 Message-ID: <170147335301.5260.11872351477120434501.stgit@anambiarhost.jf.intel.com> In-Reply-To: <170147307026.5260.9300080745237900261.stgit@anambiarhost.jf.intel.com> References: <170147307026.5260.9300080745237900261.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-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 Reviewed-by: Sridhar Samudrala --- Documentation/netlink/specs/netdev.yaml | 7 +++++++ 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, 17 insertions(+) diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml index a3a1c6ad521b..f2c76d103bd8 100644 --- a/Documentation/netlink/specs/netdev.yaml +++ b/Documentation/netlink/specs/netdev.yaml @@ -230,6 +230,12 @@ attribute-sets: name: irq doc: The associated interrupt vector number for the napi type: u32 + - + name: pid + doc: PID of the napi thread, if NAPI is configured to operate in + threaded mode. If NAPI is not in threaded mode (i.e. uses normal + softirq context), the attribute will be absent. + type: u32 - name: queue attributes: @@ -389,6 +395,7 @@ operations: - id - ifindex - irq + - pid dump: request: attributes: diff --git a/include/uapi/linux/netdev.h b/include/uapi/linux/netdev.h index 30fea409b71e..424c5e28f495 100644 --- a/include/uapi/linux/netdev.h +++ b/include/uapi/linux/netdev.h @@ -113,6 +113,7 @@ enum { NETDEV_A_NAPI_IFINDEX = 1, NETDEV_A_NAPI_ID, 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 30fea409b71e..424c5e28f495 100644 --- a/tools/include/uapi/linux/netdev.h +++ b/tools/include/uapi/linux/netdev.h @@ -113,6 +113,7 @@ enum { NETDEV_A_NAPI_IFINDEX = 1, NETDEV_A_NAPI_ID, 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 58e5196da4bd..ed8bcb855a1d 100644 --- a/tools/net/ynl/generated/netdev-user.c +++ b/tools/net/ynl/generated/netdev-user.c @@ -165,6 +165,7 @@ struct ynl_policy_attr netdev_napi_policy[NETDEV_A_NAPI_MAX + 1] = { [NETDEV_A_NAPI_IFINDEX] = { .name = "ifindex", .type = YNL_PT_U32, }, [NETDEV_A_NAPI_ID] = { .name = "id", .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 = { @@ -216,6 +217,11 @@ int netdev_page_pool_info_parse(struct ynl_parse_arg *yarg, 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 0c3224017c12..3830cf2ab6b8 100644 --- a/tools/net/ynl/generated/netdev-user.h +++ b/tools/net/ynl/generated/netdev-user.h @@ -388,11 +388,13 @@ struct netdev_napi_get_rsp { __u32 id:1; __u32 ifindex:1; __u32 irq:1; + __u32 pid:1; } _present; __u32 id; __u32 ifindex; __u32 irq; + __u32 pid; }; void netdev_napi_get_rsp_free(struct netdev_napi_get_rsp *rsp);