From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E86A8C31E5B for ; Tue, 18 Jun 2019 17:27:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C6D722084D for ; Tue, 18 Jun 2019 17:27:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560878854; bh=VA1V5lCEKZrbXPNMx3G7Kug8pQ2whEBu89v2m3X8C8k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=VsjA+NY1yQlBX/RPy1wMBgk35nP5672bT3b4JZSN2o8G7mVuEEtPY18N0p7zGXhI1 h0uGNa9375HoPjrn3lbHrupJkXeRf5/M98jtfrHng00bmc46AUbK09g1TvC4M89PIK oL+S/oPPuC8qNpW35Tih90Iyn77rZ24BjVeSb95E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730162AbfFRR1e (ORCPT ); Tue, 18 Jun 2019 13:27:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:53830 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729455AbfFRR1d (ORCPT ); Tue, 18 Jun 2019 13:27:33 -0400 Received: from localhost (unknown [37.142.3.125]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 73869205F4; Tue, 18 Jun 2019 17:27:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560878852; bh=VA1V5lCEKZrbXPNMx3G7Kug8pQ2whEBu89v2m3X8C8k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hk9r1NdCsNJnYWPE/PVmhlfJWrcCdi7hFPjTVMyWhmSoZJ3Cbu7UcuI4OoK61S1xJ QKBx4AHsZuqp7iAcAAOPowavZgFN/HQiPy7JpX1JGpuYzXJ6VbUmE28+JzMtHikWdk +vjYfJxbNh4hu6DkEv561KhATbUShYqSh0qH1R/U= From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , RDMA mailing list , Majd Dibbiny , Mark Zhang , Saeed Mahameed , linux-netdev Subject: [PATCH rdma-next v4 16/17] RDMA/nldev: Allow get counter mode through RDMA netlink Date: Tue, 18 Jun 2019 20:26:24 +0300 Message-Id: <20190618172625.13432-17-leon@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190618172625.13432-1-leon@kernel.org> References: <20190618172625.13432-1-leon@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Mark Zhang Provide an option to get current counter mode through RDMA netlink. Signed-off-by: Mark Zhang Reviewed-by: Majd Dibbiny Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/counters.c | 13 ++++++ drivers/infiniband/core/nldev.c | 66 +++++++++++++++++++++++++++++- 2 files changed, 78 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/core/counters.c b/drivers/infiniband/core/counters.c index 15f94d96e23b..b4ba240599bc 100644 --- a/drivers/infiniband/core/counters.c +++ b/drivers/infiniband/core/counters.c @@ -605,6 +605,19 @@ int rdma_counter_unbind_qpn(struct ib_device *dev, u8 port, return ret; } +int rdma_counter_get_mode(struct ib_device *dev, u8 port, + enum rdma_nl_counter_mode *mode, + enum rdma_nl_counter_mask *mask) +{ + struct rdma_port_counter *port_counter; + + port_counter = &dev->port_data[port].port_counter; + *mode = port_counter->mode.mode; + *mask = port_counter->mode.mask; + + return 0; +} + void rdma_counter_init(struct ib_device *dev) { struct rdma_port_counter *port_counter; diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 9ee6c0c77f2f..ccbc85d692e1 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -1705,6 +1705,70 @@ static int nldev_stat_del_doit(struct sk_buff *skb, struct nlmsghdr *nlh, return ret; } +static int stat_get_doit_qp(struct sk_buff *skb, struct nlmsghdr *nlh, + struct netlink_ext_ack *extack, struct nlattr *tb[]) + +{ + static enum rdma_nl_counter_mode mode; + static enum rdma_nl_counter_mask mask; + struct ib_device *device; + struct sk_buff *msg; + u32 index, port; + int ret; + + if (tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]) + return nldev_res_get_counter_doit(skb, nlh, extack); + + if (!tb[RDMA_NLDEV_ATTR_STAT_MODE] || + !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_PORT_INDEX]) + return -EINVAL; + + index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); + device = ib_device_get_by_index(sock_net(skb->sk), index); + if (!device) + return -EINVAL; + + port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); + if (!rdma_is_port_valid(device, port)) { + ret = -EINVAL; + goto err; + } + + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!msg) { + ret = -ENOMEM; + goto err; + } + + nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, + RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, + RDMA_NLDEV_CMD_STAT_GET), + 0, 0); + + ret = rdma_counter_get_mode(device, port, &mode, &mask); + if (ret) + goto err_msg; + + if (fill_nldev_handle(msg, device) || + nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port) || + nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_MODE, mode)) + goto err_msg; + + if ((mode == RDMA_COUNTER_MODE_AUTO) && + nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK, mask)) + goto err_msg; + + nlmsg_end(msg, nlh); + ib_device_put(device); + return rdma_nl_unicast(msg, NETLINK_CB(skb).portid); + +err_msg: + nlmsg_free(msg); +err: + ib_device_put(device); + return ret; +} + static int nldev_stat_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, struct netlink_ext_ack *extack) { @@ -1718,7 +1782,7 @@ static int nldev_stat_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, switch (nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_RES])) { case RDMA_NLDEV_ATTR_RES_QP: - ret = nldev_res_get_counter_doit(skb, nlh, extack); + ret = stat_get_doit_qp(skb, nlh, extack, tb); break; default: -- 2.20.1