X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2F8021q%2Fvlanproc.c;h=0feefa4e1a4b784b60daea32cde2e7a6aa83d0bc;hb=1730554f253deb65fe5112c54b2f898d5318a328;hp=971e6233801eab307ef56506e9a18038465d424b;hpb=69ab4b7d6db68396dbfa827daa8d6f30f9b546a8;p=linux-2.6 diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c index 971e623380..0feefa4e1a 100644 --- a/net/8021q/vlanproc.c +++ b/net/8021q/vlanproc.c @@ -18,22 +18,16 @@ *****************************************************************************/ #include -#include /* offsetof(), etc. */ -#include /* return codes */ +#include #include -#include /* kmalloc(), kfree() */ -#include -#include /* inline mem*, str* functions */ -#include /* __initfunc et al. */ -#include /* htons(), etc. */ -#include /* copy_to_user */ -#include +#include #include #include #include #include #include #include +#include #include "vlanproc.h" #include "vlan.h" @@ -79,7 +73,8 @@ static const struct seq_operations vlan_seq_ops = { static int vlan_seq_open(struct inode *inode, struct file *file) { - return seq_open(file, &vlan_seq_ops); + return seq_open_net(inode, file, &vlan_seq_ops, + sizeof(struct seq_net_private)); } static const struct file_operations vlan_fops = { @@ -87,7 +82,7 @@ static const struct file_operations vlan_fops = { .open = vlan_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = seq_release, + .release = seq_release_net, }; /* @@ -111,24 +106,12 @@ static const struct file_operations vlandev_fops = { * Proc filesystem derectory entries. */ -/* - * /proc/net/vlan - */ - -static struct proc_dir_entry *proc_vlan_dir; - -/* - * /proc/net/vlan/config - */ - -static struct proc_dir_entry *proc_vlan_conf; - /* Strings */ static const char *vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = { - [VLAN_NAME_TYPE_RAW_PLUS_VID] = "VLAN_NAME_TYPE_RAW_PLUS_VID", - [VLAN_NAME_TYPE_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_PLUS_VID_NO_PAD", - [VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD]= "VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD", - [VLAN_NAME_TYPE_PLUS_VID] = "VLAN_NAME_TYPE_PLUS_VID", + [VLAN_NAME_TYPE_RAW_PLUS_VID] = "VLAN_NAME_TYPE_RAW_PLUS_VID", + [VLAN_NAME_TYPE_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_PLUS_VID_NO_PAD", + [VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD", + [VLAN_NAME_TYPE_PLUS_VID] = "VLAN_NAME_TYPE_PLUS_VID", }; /* * Interface functions @@ -138,13 +121,15 @@ static const char *vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = { * Clean up /proc/net/vlan entries */ -void vlan_proc_cleanup(void) +void vlan_proc_cleanup(struct net *net) { - if (proc_vlan_conf) - remove_proc_entry(name_conf, proc_vlan_dir); + struct vlan_net *vn = net_generic(net, vlan_net_id); + + if (vn->proc_vlan_conf) + remove_proc_entry(name_conf, vn->proc_vlan_dir); - if (proc_vlan_dir) - proc_net_remove(&init_net, name_root); + if (vn->proc_vlan_dir) + proc_net_remove(net, name_root); /* Dynamically added entries should be cleaned up as their vlan_device * is removed, so we should not have to take care of it here... @@ -155,22 +140,23 @@ void vlan_proc_cleanup(void) * Create /proc/net/vlan entries */ -int __init vlan_proc_init(void) +int vlan_proc_init(struct net *net) { - proc_vlan_dir = proc_mkdir(name_root, init_net.proc_net); - if (!proc_vlan_dir) + struct vlan_net *vn = net_generic(net, vlan_net_id); + + vn->proc_vlan_dir = proc_net_mkdir(net, name_root, net->proc_net); + if (!vn->proc_vlan_dir) goto err; - proc_vlan_conf = create_proc_entry(name_conf, S_IFREG|S_IRUSR|S_IWUSR, - proc_vlan_dir); - if (!proc_vlan_conf) + vn->proc_vlan_conf = proc_create(name_conf, S_IFREG|S_IRUSR|S_IWUSR, + vn->proc_vlan_dir, &vlan_fops); + if (!vn->proc_vlan_conf) goto err; - proc_vlan_conf->proc_fops = &vlan_fops; return 0; err: - pr_err("%s: can't create entry in proc filesystem!\n", __FUNCTION__); - vlan_proc_cleanup(); + pr_err("%s: can't create entry in proc filesystem!\n", __func__); + vlan_proc_cleanup(net); return -ENOBUFS; } @@ -178,18 +164,16 @@ err: * Add directory entry for VLAN device. */ -int vlan_proc_add_dev (struct net_device *vlandev) +int vlan_proc_add_dev(struct net_device *vlandev) { - struct vlan_dev_info *dev_info = VLAN_DEV_INFO(vlandev); + struct vlan_dev_info *dev_info = vlan_dev_info(vlandev); + struct vlan_net *vn = net_generic(dev_net(vlandev), vlan_net_id); - dev_info->dent = create_proc_entry(vlandev->name, - S_IFREG|S_IRUSR|S_IWUSR, - proc_vlan_dir); + dev_info->dent = + proc_create_data(vlandev->name, S_IFREG|S_IRUSR|S_IWUSR, + vn->proc_vlan_dir, &vlandev_fops, vlandev); if (!dev_info->dent) return -ENOBUFS; - - dev_info->dent->proc_fops = &vlandev_fops; - dev_info->dent->data = vlandev; return 0; } @@ -198,10 +182,13 @@ int vlan_proc_add_dev (struct net_device *vlandev) */ int vlan_proc_rem_dev(struct net_device *vlandev) { + struct vlan_net *vn = net_generic(dev_net(vlandev), vlan_net_id); + /** NOTE: This will consume the memory pointed to by dent, it seems. */ - if (VLAN_DEV_INFO(vlandev)->dent) { - remove_proc_entry(VLAN_DEV_INFO(vlandev)->dent->name, proc_vlan_dir); - VLAN_DEV_INFO(vlandev)->dent = NULL; + if (vlan_dev_info(vlandev)->dent) { + remove_proc_entry(vlan_dev_info(vlandev)->dent->name, + vn->proc_vlan_dir); + vlan_dev_info(vlandev)->dent = NULL; } return 0; } @@ -212,15 +199,12 @@ int vlan_proc_rem_dev(struct net_device *vlandev) * The following few functions build the content of /proc/net/vlan/config */ -static inline int is_vlan_dev(struct net_device *dev) -{ - return dev->priv_flags & IFF_802_1Q_VLAN; -} - /* start read of /proc/net/vlan/config */ static void *vlan_seq_start(struct seq_file *seq, loff_t *pos) + __acquires(dev_base_lock) { struct net_device *dev; + struct net *net = seq_file_net(seq); loff_t i = 1; read_lock(&dev_base_lock); @@ -228,7 +212,7 @@ static void *vlan_seq_start(struct seq_file *seq, loff_t *pos) if (*pos == 0) return SEQ_START_TOKEN; - for_each_netdev(&init_net, dev) { + for_each_netdev(net, dev) { if (!is_vlan_dev(dev)) continue; @@ -242,14 +226,15 @@ static void *vlan_seq_start(struct seq_file *seq, loff_t *pos) static void *vlan_seq_next(struct seq_file *seq, void *v, loff_t *pos) { struct net_device *dev; + struct net *net = seq_file_net(seq); ++*pos; dev = (struct net_device *)v; if (v == SEQ_START_TOKEN) - dev = net_device_entry(&init_net.dev_base_head); + dev = net_device_entry(&net->dev_base_head); - for_each_netdev_continue(&init_net, dev) { + for_each_netdev_continue(net, dev) { if (!is_vlan_dev(dev)) continue; @@ -260,25 +245,29 @@ static void *vlan_seq_next(struct seq_file *seq, void *v, loff_t *pos) } static void vlan_seq_stop(struct seq_file *seq, void *v) + __releases(dev_base_lock) { read_unlock(&dev_base_lock); } static int vlan_seq_show(struct seq_file *seq, void *v) { + struct net *net = seq_file_net(seq); + struct vlan_net *vn = net_generic(net, vlan_net_id); + if (v == SEQ_START_TOKEN) { const char *nmtype = NULL; seq_puts(seq, "VLAN Dev name | VLAN ID\n"); - if (vlan_name_type < ARRAY_SIZE(vlan_name_type_str)) - nmtype = vlan_name_type_str[vlan_name_type]; + if (vn->name_type < ARRAY_SIZE(vlan_name_type_str)) + nmtype = vlan_name_type_str[vn->name_type]; seq_printf(seq, "Name-Type: %s\n", - nmtype ? nmtype : "UNKNOWN" ); + nmtype ? nmtype : "UNKNOWN"); } else { const struct net_device *vlandev = v; - const struct vlan_dev_info *dev_info = VLAN_DEV_INFO(vlandev); + const struct vlan_dev_info *dev_info = vlan_dev_info(vlandev); seq_printf(seq, "%-15s| %d | %s\n", vlandev->name, dev_info->vlan_id, dev_info->real_dev->name); @@ -289,17 +278,18 @@ static int vlan_seq_show(struct seq_file *seq, void *v) static int vlandev_seq_show(struct seq_file *seq, void *offset) { struct net_device *vlandev = (struct net_device *) seq->private; - const struct vlan_dev_info *dev_info = VLAN_DEV_INFO(vlandev); + const struct vlan_dev_info *dev_info = vlan_dev_info(vlandev); struct net_device_stats *stats = &vlandev->stats; static const char fmt[] = "%30s %12lu\n"; int i; - if (!(vlandev->priv_flags & IFF_802_1Q_VLAN)) + if (!is_vlan_dev(vlandev)) return 0; - seq_printf(seq, "%s VID: %d REORDER_HDR: %i dev->priv_flags: %hx\n", - vlandev->name, dev_info->vlan_id, - (int)(dev_info->flags & 1), vlandev->priv_flags); + seq_printf(seq, + "%s VID: %d REORDER_HDR: %i dev->priv_flags: %hx\n", + vlandev->name, dev_info->vlan_id, + (int)(dev_info->flags & 1), vlandev->priv_flags); seq_printf(seq, fmt, "total frames received", stats->rx_packets); seq_printf(seq, fmt, "total bytes received", stats->rx_bytes); @@ -313,16 +303,16 @@ static int vlandev_seq_show(struct seq_file *seq, void *offset) dev_info->cnt_encap_on_xmit); seq_printf(seq, "Device: %s", dev_info->real_dev->name); /* now show all PRIORITY mappings relating to this VLAN */ - seq_printf(seq, - "\nINGRESS priority mappings: 0:%u 1:%u 2:%u 3:%u 4:%u 5:%u 6:%u 7:%u\n", - dev_info->ingress_priority_map[0], - dev_info->ingress_priority_map[1], - dev_info->ingress_priority_map[2], - dev_info->ingress_priority_map[3], - dev_info->ingress_priority_map[4], - dev_info->ingress_priority_map[5], - dev_info->ingress_priority_map[6], - dev_info->ingress_priority_map[7]); + seq_printf(seq, "\nINGRESS priority mappings: " + "0:%u 1:%u 2:%u 3:%u 4:%u 5:%u 6:%u 7:%u\n", + dev_info->ingress_priority_map[0], + dev_info->ingress_priority_map[1], + dev_info->ingress_priority_map[2], + dev_info->ingress_priority_map[3], + dev_info->ingress_priority_map[4], + dev_info->ingress_priority_map[5], + dev_info->ingress_priority_map[6], + dev_info->ingress_priority_map[7]); seq_printf(seq, "EGRESSS priority Mappings: "); for (i = 0; i < 16; i++) {