From patchwork Mon Sep 26 15:39:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ferruh Yigit X-Patchwork-Id: 16124 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 20AFD6CC4; Mon, 26 Sep 2016 17:41:05 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id CEFF468D9 for ; Mon, 26 Sep 2016 17:41:02 +0200 (CEST) Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga101.jf.intel.com with ESMTP; 26 Sep 2016 08:41:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.30,400,1470726000"; d="scan'208";a="13326955" Received: from sivswdev02.ir.intel.com ([10.237.217.46]) by fmsmga006.fm.intel.com with ESMTP; 26 Sep 2016 08:41:00 -0700 From: Ferruh Yigit To: dev@dpdk.org Cc: Ferruh Yigit Date: Mon, 26 Sep 2016 16:39:23 +0100 Message-Id: <20160926153938.7575-5-ferruh.yigit@intel.com> X-Mailer: git-send-email 2.8.4 In-Reply-To: <20160926153938.7575-1-ferruh.yigit@intel.com> References: <1474043212-15663-1-git-send-email-ferruh.yigit@intel.com> <20160926153938.7575-1-ferruh.yigit@intel.com> Subject: [dpdk-dev] [PATCH v3 04/19] kni: whitespace, indentation, long line corrections X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Ferruh Yigit --- lib/librte_eal/linuxapp/kni/kni_dev.h | 11 +++--- lib/librte_eal/linuxapp/kni/kni_ethtool.c | 39 +++++++++++++++----- lib/librte_eal/linuxapp/kni/kni_fifo.h | 2 +- lib/librte_eal/linuxapp/kni/kni_misc.c | 20 ++++++----- lib/librte_eal/linuxapp/kni/kni_net.c | 13 ++++--- lib/librte_eal/linuxapp/kni/kni_vhost.c | 60 ++++++++++++++++--------------- 6 files changed, 88 insertions(+), 57 deletions(-) diff --git a/lib/librte_eal/linuxapp/kni/kni_dev.h b/lib/librte_eal/linuxapp/kni/kni_dev.h index 9128523..e1c79b1 100644 --- a/lib/librte_eal/linuxapp/kni/kni_dev.h +++ b/lib/librte_eal/linuxapp/kni/kni_dev.h @@ -85,7 +85,7 @@ struct kni_dev { /* response queue */ void *resp_q; - void * sync_kva; + void *sync_kva; void *sync_va; void *mbuf_kva; @@ -98,12 +98,13 @@ struct kni_dev { unsigned long synchro; #ifdef RTE_KNI_VHOST - struct kni_vhost_queue* vhost_queue; + struct kni_vhost_queue *vhost_queue; + volatile enum { BE_STOP = 0x1, BE_START = 0x2, BE_FINISH = 0x4, - }vq_status; + } vq_status; #endif /* buffers */ void *pa[MBUF_BURST_SZ]; @@ -134,8 +135,8 @@ struct kni_vhost_queue { struct kni_dev *kni; int sockfd; unsigned int flags; - struct sk_buff* cache; - struct rte_kni_fifo* fifo; + struct sk_buff *cache; + struct rte_kni_fifo *fifo; }; #endif diff --git a/lib/librte_eal/linuxapp/kni/kni_ethtool.c b/lib/librte_eal/linuxapp/kni/kni_ethtool.c index 06b6d46..0c88589 100644 --- a/lib/librte_eal/linuxapp/kni/kni_ethtool.c +++ b/lib/librte_eal/linuxapp/kni/kni_ethtool.c @@ -31,6 +31,7 @@ static int kni_check_if_running(struct net_device *dev) { struct kni_dev *priv = netdev_priv(dev); + if (priv->lad_dev) return 0; else @@ -41,6 +42,7 @@ static void kni_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct kni_dev *priv = netdev_priv(dev); + priv->lad_dev->ethtool_ops->get_drvinfo(priv->lad_dev, info); } @@ -48,6 +50,7 @@ static int kni_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->get_settings(priv->lad_dev, ecmd); } @@ -55,6 +58,7 @@ static int kni_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->set_settings(priv->lad_dev, ecmd); } @@ -62,6 +66,7 @@ static void kni_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct kni_dev *priv = netdev_priv(dev); + priv->lad_dev->ethtool_ops->get_wol(priv->lad_dev, wol); } @@ -69,6 +74,7 @@ static int kni_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->set_wol(priv->lad_dev, wol); } @@ -76,6 +82,7 @@ static int kni_nway_reset(struct net_device *dev) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->nway_reset(priv->lad_dev); } @@ -83,6 +90,7 @@ static int kni_get_eeprom_len(struct net_device *dev) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->get_eeprom_len(priv->lad_dev); } @@ -91,6 +99,7 @@ kni_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *bytes) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->get_eeprom(priv->lad_dev, eeprom, bytes); } @@ -100,6 +109,7 @@ kni_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *bytes) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->set_eeprom(priv->lad_dev, eeprom, bytes); } @@ -108,6 +118,7 @@ static void kni_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring) { struct kni_dev *priv = netdev_priv(dev); + priv->lad_dev->ethtool_ops->get_ringparam(priv->lad_dev, ring); } @@ -115,6 +126,7 @@ static int kni_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ring) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->set_ringparam(priv->lad_dev, ring); } @@ -122,6 +134,7 @@ static void kni_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *pause) { struct kni_dev *priv = netdev_priv(dev); + priv->lad_dev->ethtool_ops->get_pauseparam(priv->lad_dev, pause); } @@ -129,6 +142,7 @@ static int kni_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *pause) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->set_pauseparam(priv->lad_dev, pause); } @@ -137,6 +151,7 @@ static u32 kni_get_msglevel(struct net_device *dev) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->get_msglevel(priv->lad_dev); } @@ -144,6 +159,7 @@ static void kni_set_msglevel(struct net_device *dev, u32 data) { struct kni_dev *priv = netdev_priv(dev); + priv->lad_dev->ethtool_ops->set_msglevel(priv->lad_dev, data); } @@ -151,6 +167,7 @@ static int kni_get_regs_len(struct net_device *dev) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->get_regs_len(priv->lad_dev); } @@ -158,6 +175,7 @@ static void kni_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p) { struct kni_dev *priv = netdev_priv(dev); + priv->lad_dev->ethtool_ops->get_regs(priv->lad_dev, regs, p); } @@ -165,6 +183,7 @@ static void kni_get_strings(struct net_device *dev, u32 stringset, u8 *data) { struct kni_dev *priv = netdev_priv(dev); + priv->lad_dev->ethtool_ops->get_strings(priv->lad_dev, stringset, data); } @@ -173,6 +192,7 @@ static int kni_get_sset_count(struct net_device *dev, int sset) { struct kni_dev *priv = netdev_priv(dev); + return priv->lad_dev->ethtool_ops->get_sset_count(priv->lad_dev, sset); } @@ -181,24 +201,25 @@ kni_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data) { struct kni_dev *priv = netdev_priv(dev); + priv->lad_dev->ethtool_ops->get_ethtool_stats(priv->lad_dev, stats, data); } struct ethtool_ops kni_ethtool_ops = { - .begin = kni_check_if_running, + .begin = kni_check_if_running, .get_drvinfo = kni_get_drvinfo, .get_settings = kni_get_settings, .set_settings = kni_set_settings, .get_regs_len = kni_get_regs_len, - .get_regs = kni_get_regs, - .get_wol = kni_get_wol, - .set_wol = kni_set_wol, - .nway_reset = kni_nway_reset, - .get_link = ethtool_op_get_link, + .get_regs = kni_get_regs, + .get_wol = kni_get_wol, + .set_wol = kni_set_wol, + .nway_reset = kni_nway_reset, + .get_link = ethtool_op_get_link, .get_eeprom_len = kni_get_eeprom_len, - .get_eeprom = kni_get_eeprom, - .set_eeprom = kni_set_eeprom, + .get_eeprom = kni_get_eeprom, + .set_eeprom = kni_set_eeprom, .get_ringparam = kni_get_ringparam, .set_ringparam = kni_set_ringparam, .get_pauseparam = kni_get_pauseparam, @@ -207,7 +228,7 @@ struct ethtool_ops kni_ethtool_ops = { .set_msglevel = kni_set_msglevel, .get_strings = kni_get_strings, .get_sset_count = kni_get_sset_count, - .get_ethtool_stats = kni_get_ethtool_stats, + .get_ethtool_stats = kni_get_ethtool_stats, }; void diff --git a/lib/librte_eal/linuxapp/kni/kni_fifo.h b/lib/librte_eal/linuxapp/kni/kni_fifo.h index 3ea750e..4006b1f 100644 --- a/lib/librte_eal/linuxapp/kni/kni_fifo.h +++ b/lib/librte_eal/linuxapp/kni/kni_fifo.h @@ -79,7 +79,7 @@ kni_fifo_get(struct rte_kni_fifo *fifo, void **data, unsigned num) static inline unsigned kni_fifo_count(struct rte_kni_fifo *fifo) { - return (fifo->len + fifo->write - fifo->read) & ( fifo->len - 1); + return (fifo->len + fifo->write - fifo->read) & (fifo->len - 1); } /** diff --git a/lib/librte_eal/linuxapp/kni/kni_misc.c b/lib/librte_eal/linuxapp/kni/kni_misc.c index 37e9295..4145886 100644 --- a/lib/librte_eal/linuxapp/kni/kni_misc.c +++ b/lib/librte_eal/linuxapp/kni/kni_misc.c @@ -99,10 +99,12 @@ struct kni_net { struct list_head kni_list_head; }; -static int __net_init kni_init_net(struct net *net) +static int __net_init +kni_init_net(struct net *net) { #ifdef HAVE_SIMPLIFIED_PERNET_OPERATIONS struct kni_net *knet = net_generic(net, kni_net_id); + memset(knet, 0, sizeof(*knet)); #else struct kni_net *knet; @@ -134,9 +136,11 @@ static int __net_init kni_init_net(struct net *net) #endif } -static void __net_exit kni_exit_net(struct net *net) +static void __net_exit +kni_exit_net(struct net *net) { struct kni_net *knet = net_generic(net, kni_net_id); + mutex_destroy(&knet->kni_kthread_lock); #ifndef HAVE_SIMPLIFIED_PERNET_OPERATIONS kfree(knet); @@ -308,8 +312,8 @@ kni_thread_single(void *data) up_read(&knet->kni_list_lock); #ifdef RTE_KNI_PREEMPT_DEFAULT /* reschedule out for a while */ - schedule_timeout_interruptible(usecs_to_jiffies( \ - KNI_KTHREAD_RESCHEDULE_INTERVAL)); + schedule_timeout_interruptible( + usecs_to_jiffies(KNI_KTHREAD_RESCHEDULE_INTERVAL)); #endif } @@ -332,8 +336,8 @@ kni_thread_multiple(void *param) kni_net_poll_resp(dev); } #ifdef RTE_KNI_PREEMPT_DEFAULT - schedule_timeout_interruptible(usecs_to_jiffies( \ - KNI_KTHREAD_RESCHEDULE_INTERVAL)); + schedule_timeout_interruptible( + usecs_to_jiffies(KNI_KTHREAD_RESCHEDULE_INTERVAL)); #endif } @@ -521,7 +525,7 @@ kni_ioctl_create(struct net *net, /* Support Ethtool */ while (pci) { - KNI_PRINT("pci_bus: %02x:%02x:%02x \n", + KNI_PRINT("pci_bus: %02x:%02x:%02x\n", pci->bus->number, PCI_SLOT(pci->devfn), PCI_FUNC(pci->devfn)); @@ -602,7 +606,7 @@ kni_ioctl_release(struct net *net, struct rte_kni_device_info dev_info; if (_IOC_SIZE(ioctl_num) > sizeof(dev_info)) - return -EINVAL; + return -EINVAL; ret = copy_from_user(&dev_info, (void *)ioctl_param, sizeof(dev_info)); if (ret) { diff --git a/lib/librte_eal/linuxapp/kni/kni_net.c b/lib/librte_eal/linuxapp/kni/kni_net.c index 5d8711c..138297f 100644 --- a/lib/librte_eal/linuxapp/kni/kni_net.c +++ b/lib/librte_eal/linuxapp/kni/kni_net.c @@ -245,7 +245,7 @@ kni_net_rx_lo_fifo(struct kni_dev *kni) uint32_t len; unsigned i, num, num_rq, num_tq, num_aq, num_fq; struct rte_kni_mbuf *kva; - void * data_kva; + void *data_kva; struct rte_kni_mbuf *alloc_kva; void *alloc_data_kva; @@ -529,7 +529,7 @@ drop: * Deal with a transmit timeout. */ static void -kni_net_tx_timeout (struct net_device *dev) +kni_net_tx_timeout(struct net_device *dev) { struct kni_dev *kni = netdev_priv(dev); @@ -643,6 +643,7 @@ static struct net_device_stats * kni_net_stats(struct net_device *dev) { struct kni_dev *kni = netdev_priv(dev); + return &kni->stats; } @@ -663,7 +664,6 @@ kni_net_header(struct sk_buff *skb, struct net_device *dev, return dev->hard_header_len; } - /* * Re-fill the eth header */ @@ -688,9 +688,11 @@ kni_net_rebuild_header(struct sk_buff *skb) * * Returns 0 on success, negative on failure **/ -static int kni_net_set_mac(struct net_device *netdev, void *p) +static int +kni_net_set_mac(struct net_device *netdev, void *p) { struct sockaddr *addr = p; + if (!is_valid_ether_addr((unsigned char *)(addr->sa_data))) return -EADDRNOTAVAIL; memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); @@ -698,7 +700,8 @@ static int kni_net_set_mac(struct net_device *netdev, void *p) } #ifdef HAVE_CHANGE_CARRIER_CB -static int kni_net_change_carrier(struct net_device *dev, bool new_carrier) +static int +kni_net_change_carrier(struct net_device *dev, bool new_carrier) { if (new_carrier) netif_carrier_on(dev); diff --git a/lib/librte_eal/linuxapp/kni/kni_vhost.c b/lib/librte_eal/linuxapp/kni/kni_vhost.c index 7aed96e..b4d91ca 100644 --- a/lib/librte_eal/linuxapp/kni/kni_vhost.c +++ b/lib/librte_eal/linuxapp/kni/kni_vhost.c @@ -40,11 +40,12 @@ #define RX_BURST_SZ 4 -#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,7,0) +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0) static int kni_sock_map_fd(struct socket *sock) { struct file *file; int fd = get_unused_fd_flags(0); + if (fd < 0) return fd; @@ -101,7 +102,7 @@ kni_vhost_net_tx(struct kni_dev *kni, struct msghdr *m, pkt_kva = (void *)pkt_va - kni->mbuf_va + kni->mbuf_kva; data_kva = pkt_kva->buf_addr + pkt_kva->data_off - - kni->mbuf_va + kni->mbuf_kva; + - kni->mbuf_va + kni->mbuf_kva; #ifdef HAVE_IOV_ITER_MSGHDR copy_from_iter(data_kva, len, &m->msg_iter); @@ -149,7 +150,7 @@ kni_vhost_net_rx(struct kni_dev *kni, struct msghdr *m, uint32_t pkt_len; struct rte_kni_mbuf *kva; struct rte_kni_mbuf *va; - void * data_kva; + void *data_kva; struct sk_buff *skb; struct kni_vhost_queue *q = kni->vhost_queue; @@ -164,7 +165,7 @@ kni_vhost_net_rx(struct kni_dev *kni, struct msghdr *m, if (unlikely(skb == NULL)) return 0; - kva = (struct rte_kni_mbuf*)skb->data; + kva = (struct rte_kni_mbuf *)skb->data; /* free skb to cache */ skb->data = NULL; @@ -213,7 +214,7 @@ drop: } static unsigned int -kni_sock_poll(struct file *file, struct socket *sock, poll_table * wait) +kni_sock_poll(struct file *file, struct socket *sock, poll_table *wait) { struct kni_vhost_queue *q = container_of(sock->sk, struct kni_vhost_queue, sk); @@ -224,7 +225,7 @@ kni_sock_poll(struct file *file, struct socket *sock, poll_table * wait) return POLLERR; kni = q->kni; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35) +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) KNI_DBG("start kni_poll on group %d, wq 0x%16llx\n", kni->group_id, (uint64_t)sock->wq); #else @@ -232,7 +233,7 @@ kni_sock_poll(struct file *file, struct socket *sock, poll_table * wait) kni->group_id, (uint64_t)&sock->wait); #endif -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35) +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) poll_wait(file, &sock->wq->wait, wait); #else poll_wait(file, &sock->wait, wait); @@ -260,7 +261,7 @@ kni_vhost_enqueue(struct kni_dev *kni, struct kni_vhost_queue *q, struct rte_kni_mbuf *kva; kva = (void *)(va) - kni->mbuf_va + kni->mbuf_kva; - (skb)->data = (unsigned char*)kva; + (skb)->data = (unsigned char *)kva; (skb)->len = kva->data_len; skb_queue_tail(&q->sk.sk_receive_queue, skb); } @@ -270,6 +271,7 @@ kni_vhost_enqueue_burst(struct kni_dev *kni, struct kni_vhost_queue *q, struct sk_buff **skb, struct rte_kni_mbuf **va) { int i; + for (i = 0; i < RX_BURST_SZ; skb++, va++, i++) kni_vhost_enqueue(kni, q, *skb, *va); } @@ -341,7 +343,7 @@ kni_chk_vhost_rx(struct kni_dev *kni) except: /* Failing should not happen */ - KNI_ERR("Fail to enqueue fifo, it shouldn't happen \n"); + KNI_ERR("Fail to enqueue fifo, it shouldn't happen\n"); BUG_ON(1); return 0; @@ -482,8 +484,8 @@ kni_sock_ioctl(struct socket *sock, unsigned int cmd, return -ENOLINK; ret = 0; - if (copy_to_user(&ifr->ifr_name, kni->net_dev->name, IFNAMSIZ) || - put_user(q->flags, &ifr->ifr_flags)) + if (copy_to_user(&ifr->ifr_name, kni->net_dev->name, IFNAMSIZ) + || put_user(q->flags, &ifr->ifr_flags)) ret = -EFAULT; dev_put(kni->net_dev); return ret; @@ -552,10 +554,10 @@ kni_sock_compat_ioctl(struct socket *sock, unsigned int cmd, } #define KNI_VHOST_WAIT_WQ_SAFE() \ -do { \ +do { \ while ((BE_FINISH | BE_STOP) == kni->vq_status) \ - msleep(1); \ -}while(0) \ + msleep(1); \ +} while (0) \ static int @@ -589,12 +591,11 @@ kni_sock_release(struct socket *sock) } int -kni_sock_getname (struct socket *sock, - struct sockaddr *addr, - int *sockaddr_len, int peer) +kni_sock_getname(struct socket *sock, struct sockaddr *addr, + int *sockaddr_len, int peer) { KNI_DBG("dummy sock getname\n"); - ((struct sockaddr_ll*)addr)->sll_family = AF_PACKET; + ((struct sockaddr_ll *)addr)->sll_family = AF_PACKET; return 0; } @@ -637,7 +638,7 @@ kni_sk_destruct(struct sock *sk) /* make sure there's no packet in buffer */ while (skb_dequeue(&sk->sk_receive_queue) != NULL) - ; + ; mb(); @@ -685,8 +686,9 @@ kni_vhost_backend_init(struct kni_dev *kni) } /* cache init */ - q->cache = kzalloc(RTE_KNI_VHOST_MAX_CACHE_SIZE * sizeof(struct sk_buff), - GFP_KERNEL); + q->cache = kzalloc( + RTE_KNI_VHOST_MAX_CACHE_SIZE * sizeof(struct sk_buff), + GFP_KERNEL); if (!q->cache) goto free_fd; @@ -699,7 +701,7 @@ kni_vhost_backend_init(struct kni_dev *kni) for (i = 0; i < RTE_KNI_VHOST_MAX_CACHE_SIZE; i++) { elem = &q->cache[i]; - kni_fifo_put(fifo, (void**)&elem, 1); + kni_fifo_put(fifo, (void **)&elem, 1); } q->fifo = fifo; @@ -729,14 +731,12 @@ kni_vhost_backend_init(struct kni_dev *kni) kni->vq_status = BE_START; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35) - KNI_DBG("backend init sockfd=%d, sock->wq=0x%16llx," - "sk->sk_wq=0x%16llx", +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35) + KNI_DBG("backend init sockfd=%d, sock->wq=0x%16llx,sk->sk_wq=0x%16llx", q->sockfd, (uint64_t)q->sock->wq, (uint64_t)q->sk.sk_wq); #else - KNI_DBG("backend init sockfd=%d, sock->wait at 0x%16llx," - "sk->sk_sleep=0x%16llx", + KNI_DBG("backend init sockfd=%d, sock->wait at 0x%16llx,sk->sk_sleep=0x%16llx", q->sockfd, (uint64_t)&q->sock->wait, (uint64_t)q->sk.sk_sleep); #endif @@ -759,7 +759,7 @@ free_sock: q->sock = NULL; free_sk: - sk_free((struct sock*)q); + sk_free((struct sock *)q); return err; } @@ -772,6 +772,7 @@ show_sock_fd(struct device *dev, struct device_attribute *attr, struct net_device *net_dev = container_of(dev, struct net_device, dev); struct kni_dev *kni = netdev_priv(net_dev); int sockfd = -1; + if (kni->vhost_queue != NULL) sockfd = kni->vhost_queue->sockfd; return snprintf(buf, 10, "%d\n", sockfd); @@ -783,6 +784,7 @@ show_sock_en(struct device *dev, struct device_attribute *attr, { struct net_device *net_dev = container_of(dev, struct net_device, dev); struct kni_dev *kni = netdev_priv(net_dev); + return snprintf(buf, 10, "%u\n", (kni->vhost_queue == NULL ? 0 : 1)); } @@ -809,7 +811,7 @@ static DEVICE_ATTR(sock_en, S_IRUGO | S_IWUSR, show_sock_en, set_sock_en); static struct attribute *dev_attrs[] = { &dev_attr_sock_fd.attr, &dev_attr_sock_en.attr, - NULL, + NULL, }; static const struct attribute_group dev_attr_grp = {