From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id B2908489E9; Mon, 27 Oct 2025 16:38:20 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5B8CA40609; Mon, 27 Oct 2025 16:38:15 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id B33FE402ED for ; Mon, 27 Oct 2025 16:38:13 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1761579493; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SjpH/7sZu7EHKCUPSFh2Ra8QoIFmmOaux0iQhDfYOAA=; b=OtQc3S7ytFEgd/0TKlQ2U8ETOhDRCqUHRTvaTrrJ2iXkguceKrUHi6dTLP30V9Mf3QleVe V9VJgBRnn7UysmlBNnWKUhTSSlSRW+U6g50Fxj7wiVLv+NpJmclPkg/+L4DV9p2bX2qpQB qw4G5Pqf+GTe/InHwEBGejQE1EsA0B8= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-196-cJDq-DPANdKYjn3LHSKqgw-1; Mon, 27 Oct 2025 11:38:11 -0400 X-MC-Unique: cJDq-DPANdKYjn3LHSKqgw-1 X-Mimecast-MFC-AGG-ID: cJDq-DPANdKYjn3LHSKqgw_1761579490 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 948791809C8C; Mon, 27 Oct 2025 15:38:10 +0000 (UTC) Received: from ringo.home (unknown [10.44.33.145]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 3C0371800451; Mon, 27 Oct 2025 15:38:08 +0000 (UTC) From: Robin Jarry To: dev@dpdk.org, Stephen Hemminger Subject: [PATCH dpdk 2/4] net/tap: rename internal ioctl wrapper Date: Mon, 27 Oct 2025 16:37:53 +0100 Message-ID: <20251027153750.445275-8-rjarry@redhat.com> In-Reply-To: <20251027153750.445275-6-rjarry@redhat.com> References: <20251027153750.445275-6-rjarry@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: ibOuZyScj_zQwfJ1oewFq7rlAtRUaq6l1uoJbvCK_WQ_1761579490 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Prepare to replace ioctl with netlink by renaming enum ioctl_mode to ctrl_mode and wrapping tap_ioctl with tap_ctrl. Signed-off-by: Robin Jarry --- drivers/net/tap/rte_eth_tap.c | 59 ++++++++++++++++++++--------------- 1 file changed, 33 insertions(+), 26 deletions(-) diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c index 1bc8ae51cf6b..5b98e381b424 100644 --- a/drivers/net/tap/rte_eth_tap.c +++ b/drivers/net/tap/rte_eth_tap.c @@ -117,7 +117,7 @@ tap_trigger_cb(int sig __rte_unused) } /* Specifies on what netdevices the ioctl should be applied */ -enum ioctl_mode { +enum ctrl_mode { LOCAL_AND_REMOTE, LOCAL_ONLY, REMOTE_ONLY, @@ -757,7 +757,7 @@ pmd_tx_burst(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) } static const char * -tap_ioctl_req2str(unsigned long request) +tap_ctrl_req2str(unsigned long request) { switch (request) { case SIOCSIFFLAGS: @@ -776,7 +776,7 @@ tap_ioctl_req2str(unsigned long request) static int tap_ioctl(struct pmd_internals *pmd, unsigned long request, - struct ifreq *ifr, int set, enum ioctl_mode mode) + struct ifreq *ifr, int set, enum ctrl_mode mode) { short req_flags = ifr->ifr_flags; int remote = pmd->remote_if_index && @@ -821,10 +821,17 @@ tap_ioctl(struct pmd_internals *pmd, unsigned long request, error: TAP_LOG(DEBUG, "%s(%s) failed: %s(%d)", ifr->ifr_name, - tap_ioctl_req2str(request), strerror(errno), errno); + tap_ctrl_req2str(request), strerror(errno), errno); return -errno; } +static int +tap_ctrl(struct pmd_internals *pmd, unsigned long request, + struct ifreq *ifr, int set, enum ctrl_mode mode) +{ + return tap_ioctl(pmd, request, ifr, set, mode); +} + static int tap_link_set_down(struct rte_eth_dev *dev) { @@ -832,7 +839,7 @@ tap_link_set_down(struct rte_eth_dev *dev) struct ifreq ifr = { .ifr_flags = IFF_UP }; dev->data->dev_link.link_status = RTE_ETH_LINK_DOWN; - return tap_ioctl(pmd, SIOCSIFFLAGS, &ifr, 0, LOCAL_ONLY); + return tap_ctrl(pmd, SIOCSIFFLAGS, &ifr, 0, LOCAL_ONLY); } static int @@ -842,7 +849,7 @@ tap_link_set_up(struct rte_eth_dev *dev) struct ifreq ifr = { .ifr_flags = IFF_UP }; dev->data->dev_link.link_status = RTE_ETH_LINK_UP; - return tap_ioctl(pmd, SIOCSIFFLAGS, &ifr, 1, LOCAL_AND_REMOTE); + return tap_ctrl(pmd, SIOCSIFFLAGS, &ifr, 1, LOCAL_AND_REMOTE); } static int @@ -1234,14 +1241,14 @@ tap_link_update(struct rte_eth_dev *dev, int wait_to_complete __rte_unused) struct ifreq ifr = { .ifr_flags = 0 }; if (pmd->remote_if_index) { - tap_ioctl(pmd, SIOCGIFFLAGS, &ifr, 0, REMOTE_ONLY); + tap_ctrl(pmd, SIOCGIFFLAGS, &ifr, 0, REMOTE_ONLY); if (!(ifr.ifr_flags & IFF_UP) || !(ifr.ifr_flags & IFF_RUNNING)) { dev_link->link_status = RTE_ETH_LINK_DOWN; return 0; } } - tap_ioctl(pmd, SIOCGIFFLAGS, &ifr, 0, LOCAL_ONLY); + tap_ctrl(pmd, SIOCGIFFLAGS, &ifr, 0, LOCAL_ONLY); dev_link->link_status = ((ifr.ifr_flags & IFF_UP) && (ifr.ifr_flags & IFF_RUNNING) ? RTE_ETH_LINK_UP : @@ -1256,7 +1263,7 @@ tap_promisc_enable(struct rte_eth_dev *dev) struct ifreq ifr = { .ifr_flags = IFF_PROMISC }; int ret; - ret = tap_ioctl(pmd, SIOCSIFFLAGS, &ifr, 1, LOCAL_AND_REMOTE); + ret = tap_ctrl(pmd, SIOCSIFFLAGS, &ifr, 1, LOCAL_AND_REMOTE); if (ret != 0) return ret; @@ -1266,7 +1273,7 @@ tap_promisc_enable(struct rte_eth_dev *dev) ret = tap_flow_implicit_create(pmd, TAP_REMOTE_PROMISC); if (ret != 0) { /* Rollback promisc flag */ - tap_ioctl(pmd, SIOCSIFFLAGS, &ifr, 0, LOCAL_AND_REMOTE); + tap_ctrl(pmd, SIOCSIFFLAGS, &ifr, 0, LOCAL_AND_REMOTE); /* * rte_eth_dev_promiscuous_enable() rollback * dev->data->promiscuous in the case of failure. @@ -1285,7 +1292,7 @@ tap_promisc_disable(struct rte_eth_dev *dev) struct ifreq ifr = { .ifr_flags = IFF_PROMISC }; int ret; - ret = tap_ioctl(pmd, SIOCSIFFLAGS, &ifr, 0, LOCAL_AND_REMOTE); + ret = tap_ctrl(pmd, SIOCSIFFLAGS, &ifr, 0, LOCAL_AND_REMOTE); if (ret != 0) return ret; @@ -1295,7 +1302,7 @@ tap_promisc_disable(struct rte_eth_dev *dev) ret = tap_flow_implicit_destroy(pmd, TAP_REMOTE_PROMISC); if (ret != 0) { /* Rollback promisc flag */ - tap_ioctl(pmd, SIOCSIFFLAGS, &ifr, 1, LOCAL_AND_REMOTE); + tap_ctrl(pmd, SIOCSIFFLAGS, &ifr, 1, LOCAL_AND_REMOTE); /* * rte_eth_dev_promiscuous_disable() rollback * dev->data->promiscuous in the case of failure. @@ -1315,7 +1322,7 @@ tap_allmulti_enable(struct rte_eth_dev *dev) struct ifreq ifr = { .ifr_flags = IFF_ALLMULTI }; int ret; - ret = tap_ioctl(pmd, SIOCSIFFLAGS, &ifr, 1, LOCAL_AND_REMOTE); + ret = tap_ctrl(pmd, SIOCSIFFLAGS, &ifr, 1, LOCAL_AND_REMOTE); if (ret != 0) return ret; @@ -1325,7 +1332,7 @@ tap_allmulti_enable(struct rte_eth_dev *dev) ret = tap_flow_implicit_create(pmd, TAP_REMOTE_ALLMULTI); if (ret != 0) { /* Rollback allmulti flag */ - tap_ioctl(pmd, SIOCSIFFLAGS, &ifr, 0, LOCAL_AND_REMOTE); + tap_ctrl(pmd, SIOCSIFFLAGS, &ifr, 0, LOCAL_AND_REMOTE); /* * rte_eth_dev_allmulticast_enable() rollback * dev->data->all_multicast in the case of failure. @@ -1345,7 +1352,7 @@ tap_allmulti_disable(struct rte_eth_dev *dev) struct ifreq ifr = { .ifr_flags = IFF_ALLMULTI }; int ret; - ret = tap_ioctl(pmd, SIOCSIFFLAGS, &ifr, 0, LOCAL_AND_REMOTE); + ret = tap_ctrl(pmd, SIOCSIFFLAGS, &ifr, 0, LOCAL_AND_REMOTE); if (ret != 0) return ret; @@ -1355,7 +1362,7 @@ tap_allmulti_disable(struct rte_eth_dev *dev) ret = tap_flow_implicit_destroy(pmd, TAP_REMOTE_ALLMULTI); if (ret != 0) { /* Rollback allmulti flag */ - tap_ioctl(pmd, SIOCSIFFLAGS, &ifr, 1, LOCAL_AND_REMOTE); + tap_ctrl(pmd, SIOCSIFFLAGS, &ifr, 1, LOCAL_AND_REMOTE); /* * rte_eth_dev_allmulticast_disable() rollback * dev->data->all_multicast in the case of failure. @@ -1372,7 +1379,7 @@ static int tap_mac_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr) { struct pmd_internals *pmd = dev->data->dev_private; - enum ioctl_mode mode = LOCAL_ONLY; + enum ctrl_mode mode = LOCAL_ONLY; struct ifreq ifr; int ret; @@ -1388,7 +1395,7 @@ tap_mac_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr) return -EINVAL; } /* Check the actual current MAC address on the tap netdevice */ - ret = tap_ioctl(pmd, SIOCGIFHWADDR, &ifr, 0, LOCAL_ONLY); + ret = tap_ctrl(pmd, SIOCGIFHWADDR, &ifr, 0, LOCAL_ONLY); if (ret < 0) return ret; if (rte_is_same_ether_addr( @@ -1396,7 +1403,7 @@ tap_mac_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr) mac_addr)) return 0; /* Check the current MAC address on the remote */ - ret = tap_ioctl(pmd, SIOCGIFHWADDR, &ifr, 0, REMOTE_ONLY); + ret = tap_ctrl(pmd, SIOCGIFHWADDR, &ifr, 0, REMOTE_ONLY); if (ret < 0) return ret; if (!rte_is_same_ether_addr( @@ -1406,7 +1413,7 @@ tap_mac_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr) ifr.ifr_hwaddr.sa_family = AF_LOCAL; rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)&ifr.ifr_hwaddr.sa_data); - ret = tap_ioctl(pmd, SIOCSIFHWADDR, &ifr, 1, mode); + ret = tap_ctrl(pmd, SIOCSIFHWADDR, &ifr, 1, mode); if (ret < 0) return ret; @@ -1660,7 +1667,7 @@ tap_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) struct pmd_internals *pmd = dev->data->dev_private; struct ifreq ifr = { .ifr_mtu = mtu }; - return tap_ioctl(pmd, SIOCSIFMTU, &ifr, 1, LOCAL_AND_REMOTE); + return tap_ctrl(pmd, SIOCSIFMTU, &ifr, 1, LOCAL_AND_REMOTE); } static int @@ -2014,14 +2021,14 @@ eth_dev_tap_create(struct rte_vdev_device *vdev, const char *tap_name, TAP_LOG(DEBUG, "allocated %s", pmd->name); ifr.ifr_mtu = dev->data->mtu; - if (tap_ioctl(pmd, SIOCSIFMTU, &ifr, 1, LOCAL_AND_REMOTE) < 0) + if (tap_ctrl(pmd, SIOCSIFMTU, &ifr, 1, LOCAL_AND_REMOTE) < 0) goto error_exit; if (pmd->type == ETH_TUNTAP_TYPE_TAP) { memset(&ifr, 0, sizeof(struct ifreq)); ifr.ifr_hwaddr.sa_family = AF_LOCAL; rte_ether_addr_copy(&pmd->eth_addr, (struct rte_ether_addr *)&ifr.ifr_hwaddr.sa_data); - if (tap_ioctl(pmd, SIOCSIFHWADDR, &ifr, 0, LOCAL_ONLY) < 0) + if (tap_ctrl(pmd, SIOCSIFHWADDR, &ifr, 0, LOCAL_ONLY) < 0) goto error_exit; } @@ -2071,10 +2078,10 @@ eth_dev_tap_create(struct rte_vdev_device *vdev, const char *tap_name, strlcpy(pmd->remote_iface, remote_iface, RTE_ETH_NAME_MAX_LEN); /* Save state of remote device */ - tap_ioctl(pmd, SIOCGIFFLAGS, &pmd->remote_initial_flags, 0, REMOTE_ONLY); + tap_ctrl(pmd, SIOCGIFFLAGS, &pmd->remote_initial_flags, 0, REMOTE_ONLY); /* Replicate remote MAC address */ - if (tap_ioctl(pmd, SIOCGIFHWADDR, &ifr, 0, REMOTE_ONLY) < 0) { + if (tap_ctrl(pmd, SIOCGIFHWADDR, &ifr, 0, REMOTE_ONLY) < 0) { TAP_LOG(ERR, "%s: failed to get %s MAC address.", pmd->name, pmd->remote_iface); goto error_remote; @@ -2082,7 +2089,7 @@ eth_dev_tap_create(struct rte_vdev_device *vdev, const char *tap_name, rte_ether_addr_copy((struct rte_ether_addr *)&ifr.ifr_hwaddr.sa_data, &pmd->eth_addr); /* The desired MAC is already in ifreq after SIOCGIFHWADDR. */ - if (tap_ioctl(pmd, SIOCSIFHWADDR, &ifr, 0, LOCAL_ONLY) < 0) { + if (tap_ctrl(pmd, SIOCSIFHWADDR, &ifr, 0, LOCAL_ONLY) < 0) { TAP_LOG(ERR, "%s: failed to get %s MAC address.", pmd->name, remote_iface); goto error_remote; -- 2.51.0