module_param_named(tag_tracking_passive, qtu_proc_handling_passive, bool,
S_IRUGO | S_IWUSR);
-
#define QTU_DEV_NAME "xt_qtaguid"
-uint debug_mask = DEFAULT_DEBUG_MASK;
-module_param(debug_mask, uint, S_IRUGO | S_IWUSR);
+uint qtaguid_debug_mask = DEFAULT_DEBUG_MASK;
+module_param_named(debug_mask, qtaguid_debug_mask, uint, S_IRUGO | S_IWUSR);
/*---------------------------------------------------------------------------*/
static const char *iface_stat_procdirname = "iface_stat";
* Notice how sock_tag_list_lock is held sometimes when uid_tag_data_tree_lock
* is acquired.
*
- * Call tree with all lock holders as of 2011-09-06:
- *
- * qtaguid_ctrl_parse()
- * ctrl_cmd_delete()
- * sock_tag_list_lock
- * tag_counter_set_list_lock
- * iface_stat_list_lock
- * iface_entry->tag_stat_list_lock
- * uid_tag_data_tree_lock
- * ctrl_cmd_counter_set()
- * tag_counter_set_list_lock
- * ctrl_cmd_tag()
- * sock_tag_list_lock
- * get_tag_ref()
- * uid_tag_data_tree_lock
- * uid_tag_data_tree_lock
- * ctrl_cmd_untag()
- * sock_tag_list_lock
- * uid_tag_data_tree_lock
+ * Call tree with all lock holders as of 2011-09-25:
*
- * qtaguid_mt()
- * account_for_uid()
- * if_tag_stat_update()
- * get_sock_stat()
- * sock_tag_list_lock
- * iface_entry->tag_stat_list_lock
- * tag_stat_update()
- * get_active_counter_set()
- * tag_counter_set_list_lock
+ * iface_stat_all_proc_read()
+ * iface_stat_list_lock
+ * (struct iface_stat)
*
- * iface_netdev_event_handler()
- * iface_stat_create()
- * iface_stat_list_lock
- * iface_stat_update()
- * iface_stat_list_lock
+ * qtaguid_ctrl_proc_read()
+ * sock_tag_list_lock
+ * (sock_tag_tree)
+ * (struct proc_qtu_data->sock_tag_list)
+ * prdebug_full_state()
+ * sock_tag_list_lock
+ * (sock_tag_tree)
+ * uid_tag_data_tree_lock
+ * (uid_tag_data_tree)
+ * (proc_qtu_data_tree)
+ * iface_stat_list_lock
*
- * iface_inet6addr_event_handler()
- * iface_stat_create_ipv6()
- * iface_stat_list_lock
- * iface_stat_update()
- * iface_stat_list_lock
+ * qtaguid_stats_proc_read()
+ * iface_stat_list_lock
+ * struct iface_stat->tag_stat_list_lock
*
- * iface_inetaddr_event_handler()
- * iface_stat_create()
- * iface_stat_list_lock
- * iface_stat_update()
- * iface_stat_list_lock
+ * qtudev_open()
+ * uid_tag_data_tree_lock
*
- * qtaguid_ctrl_proc_read()
- * sock_tag_list_lock
+ * qtudev_release()
+ * sock_tag_data_list_lock
+ * uid_tag_data_tree_lock
+ * prdebug_full_state()
* sock_tag_list_lock
* uid_tag_data_tree_lock
* iface_stat_list_lock
*
- * qtaguid_stats_proc_read()
+ * iface_netdev_event_handler()
+ * iface_stat_create()
+ * iface_stat_list_lock
+ * iface_stat_update()
* iface_stat_list_lock
- * iface_entry->tag_stat_list_lock
*
- * qtudev_open()
- * uid_tag_data_tree_lock
+ * iface_inetaddr_event_handler()
+ * iface_stat_create()
+ * iface_stat_list_lock
+ * iface_stat_update()
+ * iface_stat_list_lock
+ *
+ * iface_inet6addr_event_handler()
+ * iface_stat_create_ipv6()
+ * iface_stat_list_lock
+ * iface_stat_update()
+ * iface_stat_list_lock
*
- * qtud_dev_release()
+ * qtaguid_mt()
+ * account_for_uid()
+ * if_tag_stat_update()
+ * get_sock_stat()
+ * sock_tag_list_lock
+ * struct iface_stat->tag_stat_list_lock
+ * tag_stat_update()
+ * get_active_counter_set()
+ * tag_counter_set_list_lock
+ * tag_stat_update()
+ * get_active_counter_set()
+ * tag_counter_set_list_lock
+ *
+ *
+ * qtaguid_ctrl_parse()
+ * ctrl_cmd_delete()
+ * sock_tag_list_lock
+ * tag_counter_set_list_lock
+ * iface_stat_list_lock
+ * struct iface_stat->tag_stat_list_lock
+ * uid_tag_data_tree_lock
+ * ctrl_cmd_counter_set()
+ * tag_counter_set_list_lock
+ * ctrl_cmd_tag()
* sock_tag_list_lock
+ * (sock_tag_tree)
+ * get_tag_ref()
+ * uid_tag_data_tree_lock
+ * (uid_tag_data_tree)
* uid_tag_data_tree_lock
+ * (proc_qtu_data_tree)
+ * ctrl_cmd_untag()
+ * sock_tag_list_lock
+ * uid_tag_data_tree_lock
+ *
*/
static LIST_HEAD(iface_stat_list);
static DEFINE_SPINLOCK(iface_stat_list_lock);
utd_entry->num_active_tags++;
tag_ref_tree_insert(tr_entry, &utd_entry->tag_ref_tree);
DR_DEBUG("qtaguid: new_tag_ref(0x%llx): "
- " inserted new tag ref\n",
- new_tag);
+ " inserted new tag ref %p\n",
+ new_tag, tr_entry);
return tr_entry;
err_res:
static void put_utd_entry(struct uid_tag_data *utd_entry)
{
/* Are we done with the UID tag data entry? */
- if (RB_EMPTY_ROOT(&utd_entry->tag_ref_tree)) {
+ if (RB_EMPTY_ROOT(&utd_entry->tag_ref_tree) &&
+ !utd_entry->num_pqd) {
DR_DEBUG("qtaguid: %s(): "
"erase utd_entry=%p uid=%u "
"by pid=%u tgid=%u uid=%u\n", __func__,
kfree(utd_entry);
} else {
DR_DEBUG("qtaguid: %s(): "
- "utd_entry=%p still has %d tags\n", __func__,
- utd_entry, utd_entry->num_active_tags);
- BUG_ON(!utd_entry->num_active_tags);
+ "utd_entry=%p still has %d tags %d proc_qtu_data\n",
+ __func__, utd_entry, utd_entry->num_active_tags,
+ utd_entry->num_pqd);
+ BUG_ON(!(utd_entry->num_active_tags ||
+ utd_entry->num_pqd));
}
}
new_tag_stat = create_if_tag_stat(iface_entry, tag);
new_tag_stat->parent_counters = uid_tag_counters;
}
- spin_unlock_bh(&iface_entry->tag_stat_list_lock);
tag_stat_update(new_tag_stat, direction, proto, bytes);
+ spin_unlock_bh(&iface_entry->tag_stat_list_lock);
}
static int iface_netdev_event_handler(struct notifier_block *nb,
return res;
}
+#ifdef DDEBUG
+/* This function is not in xt_qtaguid_print.c because of locks visibility */
+static void prdebug_full_state(int indent_level, const char *fmt, ...)
+{
+ va_list args;
+ char *fmt_buff;
+ char *buff;
+
+ if (!unlikely(qtaguid_debug_mask & DDEBUG_MASK))
+ return;
+
+ fmt_buff = kasprintf(GFP_ATOMIC,
+ "qtaguid: %s(): %s {\n", __func__, fmt);
+ BUG_ON(!fmt_buff);
+ va_start(args, fmt);
+ buff = kvasprintf(GFP_ATOMIC,
+ fmt_buff, args);
+ BUG_ON(!buff);
+ pr_debug("%s", buff);
+ kfree(fmt_buff);
+ kfree(buff);
+ va_end(args);
+
+ spin_lock_bh(&sock_tag_list_lock);
+ prdebug_sock_tag_tree(indent_level, &sock_tag_tree);
+ spin_unlock_bh(&sock_tag_list_lock);
+
+ spin_lock_bh(&sock_tag_list_lock);
+ spin_lock_bh(&uid_tag_data_tree_lock);
+ prdebug_uid_tag_data_tree(indent_level, &uid_tag_data_tree);
+ prdebug_proc_qtu_data_tree(indent_level, &proc_qtu_data_tree);
+ spin_unlock_bh(&uid_tag_data_tree_lock);
+ spin_unlock_bh(&sock_tag_list_lock);
+
+ spin_lock_bh(&iface_stat_list_lock);
+ prdebug_iface_stat_list(indent_level, &iface_stat_list);
+ spin_unlock_bh(&iface_stat_list_lock);
+
+ pr_debug("qtaguid: %s(): }\n", __func__);
+}
+#else
+static void prdebug_full_state(int indent_level, const char *fmt, ...) {}
+#endif
+
/*
* Procfs reader to get all active socket tags using style "1)" as described in
* fs/proc/generic.c
(*num_items_returned)++;
}
-#ifdef CDEBUG
/* Count the following as part of the last item_index */
if (item_index > items_to_skip) {
- CT_DEBUG("qtaguid: proc ctrl state debug {\n");
- spin_lock_bh(&sock_tag_list_lock);
- prdebug_sock_tag_tree(indent_level, &sock_tag_tree);
- spin_unlock_bh(&sock_tag_list_lock);
-
- spin_lock_bh(&uid_tag_data_tree_lock);
- prdebug_uid_tag_data_tree(indent_level, &uid_tag_data_tree);
- prdebug_proc_qtu_data_tree(indent_level, &proc_qtu_data_tree);
- spin_unlock_bh(&uid_tag_data_tree_lock);
-
- spin_lock_bh(&iface_stat_list_lock);
- prdebug_iface_stat_list(indent_level, &iface_stat_list);
- spin_unlock_bh(&iface_stat_list_lock);
-
- CT_DEBUG("qtaguid: proc ctrl state debug }\n");
-
-
+ prdebug_full_state(indent_level, "proc ctrl");
}
-#endif
*eof = 1;
return outp - page;
}
tag = combine_atag_with_uid(acct_tag, uid);
- CT_DEBUG("qtaguid: ctrl_delete(): "
+ CT_DEBUG("qtaguid: ctrl_delete(%s): "
"looking for tag=0x%llx (uid=%u)\n",
- tag, uid);
+ input, tag, uid);
/* Delete socket tags */
spin_lock_bh(&sock_tag_list_lock);
if (entry_uid != uid)
continue;
- CT_DEBUG("qtaguid: ctrl_delete(): st tag=0x%llx (uid=%u)\n",
- st_entry->tag, entry_uid);
+ CT_DEBUG("qtaguid: ctrl_delete(%s): st tag=0x%llx (uid=%u)\n",
+ input, st_entry->tag, entry_uid);
if (!acct_tag || st_entry->tag == tag) {
rb_erase(&st_entry->sock_node, &sock_tag_tree);
tr_entry = lookup_tag_ref(st_entry->tag, NULL);
BUG_ON(tr_entry->num_sock_tags <= 0);
tr_entry->num_sock_tags--;
+ list_del(&st_entry->list);
}
}
spin_unlock_bh(&sock_tag_list_lock);
/* Counter sets are only on the uid tag, not full tag */
tcs_entry = tag_counter_set_tree_search(&tag_counter_set_tree, tag);
if (tcs_entry) {
- CT_DEBUG("qtaguid: ctrl_delete(): "
+ CT_DEBUG("qtaguid: ctrl_delete(%s): "
"erase tcs: tag=0x%llx (uid=%u) set=%d\n",
+ input,
tcs_entry->tn.tag,
get_uid_from_tag(tcs_entry->tn.tag),
tcs_entry->active_set);
entry_uid = get_uid_from_tag(ts_entry->tn.tag);
node = rb_next(node);
- CT_DEBUG("qtaguid: ctrl_delete(): "
+ CT_DEBUG("qtaguid: ctrl_delete(%s): "
"ts tag=0x%llx (uid=%u)\n",
- ts_entry->tn.tag, entry_uid);
+ input, ts_entry->tn.tag, entry_uid);
if (entry_uid != uid)
continue;
if (!acct_tag || ts_entry->tn.tag == tag) {
- CT_DEBUG("qtaguid: ctrl_delete(): "
+ CT_DEBUG("qtaguid: ctrl_delete(%s): "
"erase ts: %s 0x%llx %u\n",
- iface_entry->ifname,
+ input, iface_entry->ifname,
get_atag_from_tag(ts_entry->tn.tag),
entry_uid);
rb_erase(&ts_entry->tn.node,
entry_uid = utd_entry->uid;
node = rb_next(node);
- CT_DEBUG("qtaguid: ctrl_delete(): "
+ CT_DEBUG("qtaguid: ctrl_delete(%s): "
"utd uid=%u\n",
- entry_uid);
+ input, entry_uid);
if (entry_uid != uid)
continue;
return len;
}
-bool pp_sets(struct proc_print_info *ppi)
+static bool pp_sets(struct proc_print_info *ppi)
{
int len;
int counter_set;
{
struct uid_tag_data *utd_entry;
struct proc_qtu_data *pqd_entry;
- struct proc_qtu_data *new_pqd_entry = 0;
+ struct proc_qtu_data *new_pqd_entry;
int res;
bool utd_entry_found;
new_pqd_entry->pid = current->tgid;
INIT_LIST_HEAD(&new_pqd_entry->sock_tag_list);
new_pqd_entry->parent_tag_data = utd_entry;
+ utd_entry->num_pqd++;
proc_qtu_data_tree_insert(new_pqd_entry,
&proc_qtu_data_tree);
spin_unlock_bh(&uid_tag_data_tree_lock);
- DR_DEBUG("qtaguid: tracking data for uid=%u\n", current_fsuid());
+ DR_DEBUG("qtaguid: tracking data for uid=%u in pqd=%p\n",
+ current_fsuid(), new_pqd_entry);
file->private_data = new_pqd_entry;
return 0;
spin_lock_bh(&sock_tag_list_lock);
spin_lock_bh(&uid_tag_data_tree_lock);
- /*
- * If this proc didn't actually tag anything for itself, or has already
- * willingly cleaned up itself ...
- */
- put_utd_entry(utd_entry);
-
list_for_each_safe(entry, next, &pqd_entry->sock_tag_list) {
st_entry = list_entry(entry, struct sock_tag, list);
DR_DEBUG("qtaguid: %s(): "
/* Can't sockfd_put() within spinlock, do it later. */
sock_tag_tree_insert(st_entry, &st_to_free_tree);
- /* Do not put_utd_entry(utd_entry) someone elses utd_entry */
+ /*
+ * Try to free the utd_entry if no other proc_qtu_data is
+ * using it (num_pqd is 0) and it doesn't have active tags
+ * (num_active_tags is 0).
+ */
+ put_utd_entry(utd_entry);
}
rb_erase(&pqd_entry->node, &proc_qtu_data_tree);
+ BUG_ON(pqd_entry->parent_tag_data->num_pqd < 1);
+ pqd_entry->parent_tag_data->num_pqd--;
+ put_utd_entry(pqd_entry->parent_tag_data);
kfree(pqd_entry);
file->private_data = NULL;
sock_tag_tree_erase(&st_to_free_tree);
-
+ prdebug_full_state(0, "%s(): pid=%u tgid=%u", __func__,
+ current->pid, current->tgid);
return 0;
}
*/
/*
- * There are run-time debug flags enabled via the debug_mask module param, or
- * via the DEFAULT_DEBUG_MASK. See xt_qtaguid_internal.h.
+ * Most of the functions in this file just waste time if DEBUG is not defined.
+ * The matching xt_qtaguid_print.h will static inline empty funcs if the needed
+ * debug flags ore not defined.
+ * Those funcs that fail to allocate memory will panic as there is no need to
+ * hobble allong just pretending to do the requested work.
*/
+
#define DEBUG
#include <linux/fs.h>
#include "xt_qtaguid_internal.h"
#include "xt_qtaguid_print.h"
+#ifdef DDEBUG
+
+static void _bug_on_err_or_null(void *ptr)
+{
+ if (IS_ERR_OR_NULL(ptr)) {
+ pr_err("qtaguid: kmalloc failed\n");
+ BUG();
+ }
+}
+
char *pp_tag_t(tag_t *tag)
{
+ char *res;
+
if (!tag)
- return kasprintf(GFP_ATOMIC, "tag_t@null{}");
- return kasprintf(GFP_ATOMIC,
- "tag_t@%p{tag=0x%llx, uid=%u}",
- tag, *tag, get_uid_from_tag(*tag));
+ res = kasprintf(GFP_ATOMIC, "tag_t@null{}");
+ else
+ res = kasprintf(GFP_ATOMIC,
+ "tag_t@%p{tag=0x%llx, uid=%u}",
+ tag, *tag, get_uid_from_tag(*tag));
+ _bug_on_err_or_null(res);
+ return res;
}
char *pp_data_counters(struct data_counters *dc, bool showValues)
{
+ char *res;
+
if (!dc)
- return kasprintf(GFP_ATOMIC, "data_counters@null{}");
- if (showValues)
- return kasprintf(
+ res = kasprintf(GFP_ATOMIC, "data_counters@null{}");
+ else if (showValues)
+ res = kasprintf(
GFP_ATOMIC, "data_counters@%p{"
"set0{"
"rx{"
dc->bpc[1][IFS_TX][IFS_PROTO_OTHER].bytes,
dc->bpc[1][IFS_TX][IFS_PROTO_OTHER].packets);
else
- return kasprintf(GFP_ATOMIC, "data_counters@%p{...}", dc);
+ res = kasprintf(GFP_ATOMIC, "data_counters@%p{...}", dc);
+ _bug_on_err_or_null(res);
+ return res;
}
char *pp_tag_node(struct tag_node *tn)
char *tag_str;
char *res;
- if (!tn)
- return kasprintf(GFP_ATOMIC, "tag_node@null{}");
+ if (!tn) {
+ res = kasprintf(GFP_ATOMIC, "tag_node@null{}");
+ _bug_on_err_or_null(res);
+ return res;
+ }
tag_str = pp_tag_t(&tn->tag);
res = kasprintf(GFP_ATOMIC,
"tag_node@%p{tag=%s}",
tn, tag_str);
+ _bug_on_err_or_null(res);
kfree(tag_str);
return res;
}
char *tn_str;
char *res;
- if (!tr)
- return kasprintf(GFP_ATOMIC, "tag_ref@null{}");
+ if (!tr) {
+ res = kasprintf(GFP_ATOMIC, "tag_ref@null{}");
+ _bug_on_err_or_null(res);
+ return res;
+ }
tn_str = pp_tag_node(&tr->tn);
res = kasprintf(GFP_ATOMIC,
"tag_ref@%p{%s, num_sock_tags=%d}",
tr, tn_str, tr->num_sock_tags);
+ _bug_on_err_or_null(res);
kfree(tn_str);
return res;
}
char *parent_counters_str;
char *res;
- if (!ts)
- return kasprintf(GFP_ATOMIC, "tag_stat@null{}");
+ if (!ts) {
+ res = kasprintf(GFP_ATOMIC, "tag_stat@null{}");
+ _bug_on_err_or_null(res);
+ return res;
+ }
tn_str = pp_tag_node(&ts->tn);
counters_str = pp_data_counters(&ts->counters, true);
parent_counters_str = pp_data_counters(ts->parent_counters, false);
res = kasprintf(GFP_ATOMIC,
"tag_stat@%p{%s, counters=%s, parent_counters=%s}",
ts, tn_str, counters_str, parent_counters_str);
+ _bug_on_err_or_null(res);
kfree(tn_str);
kfree(counters_str);
kfree(parent_counters_str);
char *pp_iface_stat(struct iface_stat *is)
{
+ char *res;
if (!is)
- return kasprintf(GFP_ATOMIC, "iface_stat@null{}");
- return kasprintf(GFP_ATOMIC, "iface_stat@%p{"
- "list=list_head{...}, "
- "ifname=%s, "
- "total={rx={bytes=%llu, "
- "packets=%llu}, "
- "tx={bytes=%llu, "
- "packets=%llu}}, "
- "last_known_valid=%d, "
- "last_known={rx={bytes=%llu, "
- "packets=%llu}, "
- "tx={bytes=%llu, "
- "packets=%llu}}, "
- "active=%d, "
- "net_dev=%p, "
- "proc_ptr=%p, "
- "tag_stat_tree=rb_root{...}}",
- is,
- is->ifname,
- is->totals[IFS_RX].bytes,
- is->totals[IFS_RX].packets,
- is->totals[IFS_TX].bytes,
- is->totals[IFS_TX].packets,
- is->last_known_valid,
- is->last_known[IFS_RX].bytes,
- is->last_known[IFS_RX].packets,
- is->last_known[IFS_TX].bytes,
- is->last_known[IFS_TX].packets,
- is->active,
- is->net_dev,
- is->proc_ptr);
+ res = kasprintf(GFP_ATOMIC, "iface_stat@null{}");
+ else
+ res = kasprintf(GFP_ATOMIC, "iface_stat@%p{"
+ "list=list_head{...}, "
+ "ifname=%s, "
+ "total={rx={bytes=%llu, "
+ "packets=%llu}, "
+ "tx={bytes=%llu, "
+ "packets=%llu}}, "
+ "last_known_valid=%d, "
+ "last_known={rx={bytes=%llu, "
+ "packets=%llu}, "
+ "tx={bytes=%llu, "
+ "packets=%llu}}, "
+ "active=%d, "
+ "net_dev=%p, "
+ "proc_ptr=%p, "
+ "tag_stat_tree=rb_root{...}}",
+ is,
+ is->ifname,
+ is->totals[IFS_RX].bytes,
+ is->totals[IFS_RX].packets,
+ is->totals[IFS_TX].bytes,
+ is->totals[IFS_TX].packets,
+ is->last_known_valid,
+ is->last_known[IFS_RX].bytes,
+ is->last_known[IFS_RX].packets,
+ is->last_known[IFS_TX].bytes,
+ is->last_known[IFS_TX].packets,
+ is->active,
+ is->net_dev,
+ is->proc_ptr);
+ _bug_on_err_or_null(res);
+ return res;
}
char *pp_sock_tag(struct sock_tag *st)
char *tag_str;
char *res;
- if (!st)
- return kasprintf(GFP_ATOMIC, "sock_tag@null{}");
+ if (!st) {
+ res = kasprintf(GFP_ATOMIC, "sock_tag@null{}");
+ _bug_on_err_or_null(res);
+ return res;
+ }
tag_str = pp_tag_t(&st->tag);
res = kasprintf(GFP_ATOMIC, "sock_tag@%p{"
"sock_node=rb_node{...}, "
st, st->sk, st->socket, atomic_long_read(
&st->socket->file->f_count),
st->pid, tag_str);
+ _bug_on_err_or_null(res);
kfree(tag_str);
return res;
}
char *res;
if (!utd)
- return kasprintf(GFP_ATOMIC, "uid_tag_data@null{}");
- res = kasprintf(GFP_ATOMIC, "uid_tag_data@%p{"
- "uid=%u, num_active_acct_tags=%d, "
- "tag_node_tree=rb_root{...}, "
- "proc_qtu_data_tree=rb_root{...}}",
- utd, utd->uid,
- utd->num_active_tags);
+ res = kasprintf(GFP_ATOMIC, "uid_tag_data@null{}");
+ else
+ res = kasprintf(GFP_ATOMIC, "uid_tag_data@%p{"
+ "uid=%u, num_active_acct_tags=%d, "
+ "num_pqd=%d, "
+ "tag_node_tree=rb_root{...}, "
+ "proc_qtu_data_tree=rb_root{...}}",
+ utd, utd->uid,
+ utd->num_active_tags, utd->num_pqd);
+ _bug_on_err_or_null(res);
return res;
}
char *parent_tag_data_str;
char *res;
- if (!pqd)
- return kasprintf(GFP_ATOMIC, "proc_qtu_data@null{}");
+ if (!pqd) {
+ res = kasprintf(GFP_ATOMIC, "proc_qtu_data@null{}");
+ _bug_on_err_or_null(res);
+ return res;
+ }
parent_tag_data_str = pp_uid_tag_data(pqd->parent_tag_data);
res = kasprintf(GFP_ATOMIC, "proc_qtu_data@%p{"
"node=rb_node{...}, pid=%u, "
"sock_tag_list=list_head{...}}",
pqd, pqd->pid, parent_tag_data_str
);
+ _bug_on_err_or_null(res);
kfree(parent_tag_data_str);
return res;
}
struct sock_tag *sock_tag_entry;
char *str;
+ if (!unlikely(qtaguid_debug_mask & DDEBUG_MASK))
+ return;
+
+ if (RB_EMPTY_ROOT(sock_tag_tree)) {
+ str = "sock_tag_tree=rb_root{}";
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
+ return;
+ }
+
str = "sock_tag_tree=rb_root{";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
indent_level++;
for (node = rb_first(sock_tag_tree);
node;
node = rb_next(node)) {
sock_tag_entry = rb_entry(node, struct sock_tag, sock_node);
str = pp_sock_tag(sock_tag_entry);
- CT_DEBUG("%*d: %s,\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s,\n", indent_level*2, indent_level, str);
kfree(str);
}
indent_level--;
str = "}";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
}
void prdebug_sock_tag_list(int indent_level,
struct sock_tag *sock_tag_entry;
char *str;
+ if (!unlikely(qtaguid_debug_mask & DDEBUG_MASK))
+ return;
+
+ if (list_empty(sock_tag_list)) {
+ str = "sock_tag_list=list_head{}";
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
+ return;
+ }
+
str = "sock_tag_list=list_head{";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
indent_level++;
list_for_each_entry(sock_tag_entry, sock_tag_list, list) {
str = pp_sock_tag(sock_tag_entry);
- CT_DEBUG("%*d: %s,\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s,\n", indent_level*2, indent_level, str);
kfree(str);
}
indent_level--;
str = "}";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
}
void prdebug_proc_qtu_data_tree(int indent_level,
struct rb_node *node;
struct proc_qtu_data *proc_qtu_data_entry;
+ if (!unlikely(qtaguid_debug_mask & DDEBUG_MASK))
+ return;
+
+ if (RB_EMPTY_ROOT(proc_qtu_data_tree)) {
+ str = "proc_qtu_data_tree=rb_root{}";
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
+ return;
+ }
+
str = "proc_qtu_data_tree=rb_root{";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
indent_level++;
for (node = rb_first(proc_qtu_data_tree);
node;
struct proc_qtu_data,
node);
str = pp_proc_qtu_data(proc_qtu_data_entry);
- CT_DEBUG("%*d: %s,\n", indent_level*2, indent_level,
+ pr_debug("%*d: %s,\n", indent_level*2, indent_level,
str);
kfree(str);
indent_level++;
}
indent_level--;
str = "}";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
}
void prdebug_tag_ref_tree(int indent_level, struct rb_root *tag_ref_tree)
struct rb_node *node;
struct tag_ref *tag_ref_entry;
+ if (!unlikely(qtaguid_debug_mask & DDEBUG_MASK))
+ return;
+
+ if (RB_EMPTY_ROOT(tag_ref_tree)) {
+ str = "tag_ref_tree{}";
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
+ return;
+ }
+
str = "tag_ref_tree{";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
indent_level++;
for (node = rb_first(tag_ref_tree);
node;
struct tag_ref,
tn.node);
str = pp_tag_ref(tag_ref_entry);
- CT_DEBUG("%*d: %s,\n", indent_level*2, indent_level,
+ pr_debug("%*d: %s,\n", indent_level*2, indent_level,
str);
kfree(str);
}
indent_level--;
str = "}";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
}
void prdebug_uid_tag_data_tree(int indent_level,
struct rb_node *node;
struct uid_tag_data *uid_tag_data_entry;
+ if (!unlikely(qtaguid_debug_mask & DDEBUG_MASK))
+ return;
+
+ if (RB_EMPTY_ROOT(uid_tag_data_tree)) {
+ str = "uid_tag_data_tree=rb_root{}";
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
+ return;
+ }
+
str = "uid_tag_data_tree=rb_root{";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
indent_level++;
for (node = rb_first(uid_tag_data_tree);
node;
uid_tag_data_entry = rb_entry(node, struct uid_tag_data,
node);
str = pp_uid_tag_data(uid_tag_data_entry);
- CT_DEBUG("%*d: %s,\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s,\n", indent_level*2, indent_level, str);
kfree(str);
if (!RB_EMPTY_ROOT(&uid_tag_data_entry->tag_ref_tree)) {
indent_level++;
}
indent_level--;
str = "}";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
}
void prdebug_tag_stat_tree(int indent_level,
struct rb_node *node;
struct tag_stat *ts_entry;
+ if (!unlikely(qtaguid_debug_mask & DDEBUG_MASK))
+ return;
+
+ if (RB_EMPTY_ROOT(tag_stat_tree)) {
+ str = "tag_stat_tree{}";
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
+ return;
+ }
+
str = "tag_stat_tree{";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
indent_level++;
for (node = rb_first(tag_stat_tree);
node;
node = rb_next(node)) {
ts_entry = rb_entry(node, struct tag_stat, tn.node);
str = pp_tag_stat(ts_entry);
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level,
+ pr_debug("%*d: %s\n", indent_level*2, indent_level,
str);
kfree(str);
}
indent_level--;
str = "}";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
}
void prdebug_iface_stat_list(int indent_level,
char *str;
struct iface_stat *iface_entry;
+ if (!unlikely(qtaguid_debug_mask & DDEBUG_MASK))
+ return;
+
+ if (list_empty(iface_stat_list)) {
+ str = "iface_stat_list=list_head{}";
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
+ return;
+ }
+
str = "iface_stat_list=list_head{";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
indent_level++;
list_for_each_entry(iface_entry, iface_stat_list, list) {
str = pp_iface_stat(iface_entry);
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
kfree(str);
spin_lock_bh(&iface_entry->tag_stat_list_lock);
}
indent_level--;
str = "}";
- CT_DEBUG("%*d: %s\n", indent_level*2, indent_level, str);
+ pr_debug("%*d: %s\n", indent_level*2, indent_level, str);
}
+#endif /* ifdef DDEBUG */
/*------------------------------------------*/
static const char * const netdev_event_strings[] = {
"netdev_unknown",
projects / firefly-linux-kernel-4.4.55.git / commitdiff