From patchwork Fri Nov 17 01:17:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nambiar, Amritha" X-Patchwork-Id: 13458324 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="QGN1Z330" Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 158C4C5 for ; Thu, 16 Nov 2023 17:01:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700182868; x=1731718868; h=subject:from:to:cc:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LKHG3LX0yimEcliqN2x8OJPxjSlyf2AQpmRTus7+o24=; b=QGN1Z330H+GqPw58+QgjgbQVocatabgUZqwA1QhFp66lR4Kw7OR3tuCj sLc837MCNu4b2q9d+xCATKxgq2Pd0ScXaLHPxDLrNFwVgosyN8OQ6KQwW Fx3dGHEdTz3Tlmu+S/gi34z6ATpYKii6jZR0nD2FrVVWqS8fyy3CEGUT3 TDPCyOFtbYyBPH/8Gepw1FZgoQKY7Ni6lAl96zDuT4UL/XSfXrwRXFgwW 6Tg45qajR5M6LW+2REyJYZ8gEZyhSEbQOHdpvmXa26IJrT5Lp5J058gkN ENEBxN7U8LW8uyqxqC/RPB/8lTfRViQlUWwY64B7tUARzuR9VUYR9d9aM A==; X-IronPort-AV: E=McAfee;i="6600,9927,10896"; a="422310314" X-IronPort-AV: E=Sophos;i="6.04,205,1695711600"; d="scan'208";a="422310314" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Nov 2023 17:01:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10896"; a="1012774194" X-IronPort-AV: E=Sophos;i="6.04,205,1695711600"; d="scan'208";a="1012774194" Received: from anambiarhost.jf.intel.com ([10.166.29.163]) by fmsmga006.fm.intel.com with ESMTP; 16 Nov 2023 17:01:07 -0800 Subject: [net-next PATCH v8 09/10] 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: sridhar.samudrala@intel.com, amritha.nambiar@intel.com Date: Thu, 16 Nov 2023 17:17:25 -0800 Message-ID: <170018384534.3767.15441925123726324624.stgit@anambiarhost.jf.intel.com> In-Reply-To: <170018355327.3767.5169918029687620348.stgit@anambiarhost.jf.intel.com> References: <170018355327.3767.5169918029687620348.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 4161f302352d..382022a0d039 100644 --- a/Documentation/netlink/specs/netdev.yaml +++ b/Documentation/netlink/specs/netdev.yaml @@ -108,6 +108,12 @@ 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: @@ -202,6 +208,7 @@ operations: - id - ifindex - irq + - pid dump: request: attributes: diff --git a/include/uapi/linux/netdev.h b/include/uapi/linux/netdev.h index 10ddb7cfde07..c4be7fadfdf9 100644 --- a/include/uapi/linux/netdev.h +++ b/include/uapi/linux/netdev.h @@ -73,6 +73,7 @@ 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 10ddb7cfde07..c4be7fadfdf9 100644 --- a/tools/include/uapi/linux/netdev.h +++ b/tools/include/uapi/linux/netdev.h @@ -73,6 +73,7 @@ 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 2bd57420b548..5f3ca6ef9aa6 100644 --- a/tools/net/ynl/generated/netdev-user.c +++ b/tools/net/ynl/generated/netdev-user.c @@ -102,6 +102,7 @@ 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 = { @@ -400,6 +401,11 @@ 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 de7205b63ccf..8337735389bf 100644 --- a/tools/net/ynl/generated/netdev-user.h +++ b/tools/net/ynl/generated/netdev-user.h @@ -214,11 +214,13 @@ 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);