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Date:	Fri, 21 Sep 2012 22:10:51 -0400
From:	John Stultz <john.stultz@...aro.org>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	JP Abgrall <jpa@...gle.com>, netdev@...r.kernel.org,
	Ashish Sharma <ashishsharma@...gle.com>,
	Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>,
	John Stultz <john.stultz@...aro.org>
Subject: [PATCH 5/7][RFC] netfilter: xt_qtaguid: start tracking iface rx/tx at low level

From: JP Abgrall <jpa@...gle.com>

qtaguid tracks the device stats by monitoring when it goes up and down,
then it gets the dev_stats().
But devs don't correctly report stats (either they don't count headers
symmetrically between rx/tx, or they count internal control messages).

Now qtaguid counts the rx/tx bytes/packets during raw:prerouting and
mangle:postrouting (nat is not available in ipv6).

The results are in
  /proc/net/xt_qtaguid/iface_stat_fmt
which outputs a format line (bash expansion):
  ifname  total_skb_{rx,tx}_{bytes,packets}

Added event counters for pre/post handling.
Added extra ctrl_*() pid/uid debugging.

Cc: netdev@...r.kernel.org
Cc: JP Abgrall <jpa@...gle.com>
Cc: Ashish Sharma <ashishsharma@...gle.com>
Cc: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>
Signed-off-by: JP Abgrall <jpa@...gle.com>
Signed-off-by: John Stultz <john.stultz@...aro.org>
---
 net/netfilter/xt_qtaguid.c          |  277 +++++++++++++++++++++++++++--------
 net/netfilter/xt_qtaguid_internal.h |    5 +-
 net/netfilter/xt_qtaguid_print.c    |   18 ++-
 3 files changed, 233 insertions(+), 67 deletions(-)

diff --git a/net/netfilter/xt_qtaguid.c b/net/netfilter/xt_qtaguid.c
index 47dfb9e..f490ef5 100644
--- a/net/netfilter/xt_qtaguid.c
+++ b/net/netfilter/xt_qtaguid.c
@@ -104,8 +104,15 @@ module_param_named(debug_mask, qtaguid_debug_mask, uint, S_IRUGO | S_IWUSR);
 /*---------------------------------------------------------------------------*/
 static const char *iface_stat_procdirname = "iface_stat";
 static struct proc_dir_entry *iface_stat_procdir;
+/*
+ * The iface_stat_all* will go away once userspace gets use to the new fields
+ * that have a format line.
+ */
 static const char *iface_stat_all_procfilename = "iface_stat_all";
 static struct proc_dir_entry *iface_stat_all_procfile;
+static const char *iface_stat_fmt_procfilename = "iface_stat_fmt";
+static struct proc_dir_entry *iface_stat_fmt_procfile;
+
 
 /*
  * Ordering of locks:
@@ -118,9 +125,9 @@ static struct proc_dir_entry *iface_stat_all_procfile;
  * 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 2011-09-25:
+ * Call tree with all lock holders as of 2012-04-27:
  *
- * iface_stat_all_proc_read()
+ * iface_stat_fmt_proc_read()
  *   iface_stat_list_lock
  *     (struct iface_stat)
  *
@@ -771,13 +778,14 @@ done:
 	return iface_entry;
 }
 
-static int iface_stat_all_proc_read(char *page, char **num_items_returned,
+static int iface_stat_fmt_proc_read(char *page, char **num_items_returned,
 				    off_t items_to_skip, int char_count,
 				    int *eof, void *data)
 {
 	char *outp = page;
 	int item_index = 0;
 	int len;
+	int fmt = (int)data; /* The data is just 1 (old) or 2 (uses fmt) */
 	struct iface_stat *iface_entry;
 	struct rtnl_link_stats64 dev_stats, *stats;
 	struct rtnl_link_stats64 no_dev_stats = {0};
@@ -787,14 +795,32 @@ static int iface_stat_all_proc_read(char *page, char **num_items_returned,
 		return 0;
 	}
 
-	CT_DEBUG("qtaguid:proc iface_stat_all "
+	CT_DEBUG("qtaguid:proc iface_stat_fmt "
+		 "pid=%u tgid=%u uid=%u "
 		 "page=%p *num_items_returned=%p off=%ld "
-		 "char_count=%d *eof=%d\n", page, *num_items_returned,
+		 "char_count=%d *eof=%d\n",
+		 current->pid, current->tgid, current_fsuid(),
+		 page, *num_items_returned,
 		 items_to_skip, char_count, *eof);
 
 	if (*eof)
 		return 0;
 
+	if (fmt == 2 && item_index++ >= items_to_skip) {
+		len = snprintf(outp, char_count,
+			       "ifname "
+			       "total_skb_rx_bytes total_skb_rx_packets "
+			       "total_skb_tx_bytes total_skb_tx_packets\n"
+			);
+		if (len >= char_count) {
+			*outp = '\0';
+			return outp - page;
+		}
+		outp += len;
+		char_count -= len;
+		(*num_items_returned)++;
+	}
+
 	/*
 	 * This lock will prevent iface_stat_update() from changing active,
 	 * and in turn prevent an interface from unregistering itself.
@@ -810,18 +836,37 @@ static int iface_stat_all_proc_read(char *page, char **num_items_returned,
 		} else {
 			stats = &no_dev_stats;
 		}
-		len = snprintf(outp, char_count,
-			       "%s %d "
-			       "%llu %llu %llu %llu "
-			       "%llu %llu %llu %llu\n",
-			       iface_entry->ifname,
-			       iface_entry->active,
-			       iface_entry->totals[IFS_RX].bytes,
-			       iface_entry->totals[IFS_RX].packets,
-			       iface_entry->totals[IFS_TX].bytes,
-			       iface_entry->totals[IFS_TX].packets,
-			       stats->rx_bytes, stats->rx_packets,
-			       stats->tx_bytes, stats->tx_packets);
+		/*
+		 * If the meaning of the data changes, then update the fmtX
+		 * string.
+		 */
+		if (fmt == 1) {
+			len = snprintf(
+				outp, char_count,
+				"%s %d "
+				"%llu %llu %llu %llu "
+				"%llu %llu %llu %llu\n",
+				iface_entry->ifname,
+				iface_entry->active,
+				iface_entry->totals_via_dev[IFS_RX].bytes,
+				iface_entry->totals_via_dev[IFS_RX].packets,
+				iface_entry->totals_via_dev[IFS_TX].bytes,
+				iface_entry->totals_via_dev[IFS_TX].packets,
+				stats->rx_bytes, stats->rx_packets,
+				stats->tx_bytes, stats->tx_packets
+				);
+		} else {
+			len = snprintf(
+				outp, char_count,
+				"%s "
+				"%llu %llu %llu %llu\n",
+				iface_entry->ifname,
+				iface_entry->totals_via_skb[IFS_RX].bytes,
+				iface_entry->totals_via_skb[IFS_RX].packets,
+				iface_entry->totals_via_skb[IFS_TX].bytes,
+				iface_entry->totals_via_skb[IFS_TX].packets
+				);
+		}
 		if (len >= char_count) {
 			spin_unlock_bh(&iface_stat_list_lock);
 			*outp = '\0';
@@ -855,13 +900,17 @@ static void iface_create_proc_worker(struct work_struct *work)
 	new_iface->proc_ptr = proc_entry;
 
 	create_proc_read_entry("tx_bytes", proc_iface_perms, proc_entry,
-			read_proc_u64, &new_iface->totals[IFS_TX].bytes);
+			       read_proc_u64,
+			       &new_iface->totals_via_dev[IFS_TX].bytes);
 	create_proc_read_entry("rx_bytes", proc_iface_perms, proc_entry,
-			read_proc_u64, &new_iface->totals[IFS_RX].bytes);
+			       read_proc_u64,
+			       &new_iface->totals_via_dev[IFS_RX].bytes);
 	create_proc_read_entry("tx_packets", proc_iface_perms, proc_entry,
-			read_proc_u64, &new_iface->totals[IFS_TX].packets);
+			       read_proc_u64,
+			       &new_iface->totals_via_dev[IFS_TX].packets);
 	create_proc_read_entry("rx_packets", proc_iface_perms, proc_entry,
-			read_proc_u64, &new_iface->totals[IFS_RX].packets);
+			       read_proc_u64,
+			       &new_iface->totals_via_dev[IFS_RX].packets);
 	create_proc_read_entry("active", proc_iface_perms, proc_entry,
 			read_proc_bool, &new_iface->active);
 
@@ -965,11 +1014,13 @@ static void iface_check_stats_reset_and_adjust(struct net_device *net_dev,
 			     "iface reset its stats unexpectedly\n", __func__,
 			     net_dev->name);
 
-		iface->totals[IFS_TX].bytes += iface->last_known[IFS_TX].bytes;
-		iface->totals[IFS_TX].packets +=
+		iface->totals_via_dev[IFS_TX].bytes +=
+			iface->last_known[IFS_TX].bytes;
+		iface->totals_via_dev[IFS_TX].packets +=
 			iface->last_known[IFS_TX].packets;
-		iface->totals[IFS_RX].bytes += iface->last_known[IFS_RX].bytes;
-		iface->totals[IFS_RX].packets +=
+		iface->totals_via_dev[IFS_RX].bytes +=
+			iface->last_known[IFS_RX].bytes;
+		iface->totals_via_dev[IFS_RX].packets +=
 			iface->last_known[IFS_RX].packets;
 		iface->last_known_valid = false;
 		IF_DEBUG("qtaguid: %s(%s): iface=%p "
@@ -1137,6 +1188,27 @@ static struct sock_tag *get_sock_stat(const struct sock *sk)
 	return sock_tag_entry;
 }
 
+static int ipx_proto(const struct sk_buff *skb,
+		     struct xt_action_param *par)
+{
+	int thoff, tproto;
+
+	switch (par->family) {
+	case NFPROTO_IPV6:
+		tproto = ipv6_find_hdr(skb, &thoff, -1, NULL, NULL);
+		if (tproto < 0)
+			MT_DEBUG("%s(): transport header not found in ipv6"
+				 " skb=%p\n", __func__, skb);
+		break;
+	case NFPROTO_IPV4:
+		tproto = ip_hdr(skb)->protocol;
+		break;
+	default:
+		tproto = IPPROTO_RAW;
+	}
+	return tproto;
+}
+
 static void
 data_counters_update(struct data_counters *dc, int set,
 		     enum ifs_tx_rx direction, int proto, int bytes)
@@ -1197,10 +1269,10 @@ static void iface_stat_update(struct net_device *net_dev, bool stash_only)
 		spin_unlock_bh(&iface_stat_list_lock);
 		return;
 	}
-	entry->totals[IFS_TX].bytes += stats->tx_bytes;
-	entry->totals[IFS_TX].packets += stats->tx_packets;
-	entry->totals[IFS_RX].bytes += stats->rx_bytes;
-	entry->totals[IFS_RX].packets += stats->rx_packets;
+	entry->totals_via_dev[IFS_TX].bytes += stats->tx_bytes;
+	entry->totals_via_dev[IFS_TX].packets += stats->tx_packets;
+	entry->totals_via_dev[IFS_RX].bytes += stats->rx_bytes;
+	entry->totals_via_dev[IFS_RX].packets += stats->rx_packets;
 	/* We don't need the last_known[] anymore */
 	entry->last_known_valid = false;
 	_iface_stat_set_active(entry, net_dev, false);
@@ -1210,6 +1282,67 @@ static void iface_stat_update(struct net_device *net_dev, bool stash_only)
 	spin_unlock_bh(&iface_stat_list_lock);
 }
 
+/*
+ * Update stats for the specified interface from the skb.
+ * Do nothing if the entry
+ * does not exist (when a device was never configured with an IP address).
+ * Called on each sk.
+ */
+static void iface_stat_update_from_skb(const struct sk_buff *skb,
+				       struct xt_action_param *par)
+{
+	struct iface_stat *entry;
+	const struct net_device *el_dev;
+	enum ifs_tx_rx direction = par->in ? IFS_RX : IFS_TX;
+	int bytes = skb->len;
+
+	if (!skb->dev) {
+		MT_DEBUG("qtaguid[%d]: no skb->dev\n", par->hooknum);
+		el_dev = par->in ? : par->out;
+	} else {
+		const struct net_device *other_dev;
+		el_dev = skb->dev;
+		other_dev = par->in ? : par->out;
+		if (el_dev != other_dev) {
+			MT_DEBUG("qtaguid[%d]: skb->dev=%p %s vs "
+				 "par->(in/out)=%p %s\n",
+				 par->hooknum, el_dev, el_dev->name, other_dev,
+				 other_dev->name);
+		}
+	}
+
+	if (unlikely(!el_dev)) {
+		pr_err("qtaguid[%d]: %s(): no par->in/out?!!\n",
+		       par->hooknum, __func__);
+		BUG();
+	} else if (unlikely(!el_dev->name)) {
+		pr_err("qtaguid[%d]: %s(): no dev->name?!!\n",
+		       par->hooknum, __func__);
+		BUG();
+	} else {
+		int proto = ipx_proto(skb, par);
+		MT_DEBUG("qtaguid[%d]: dev name=%s type=%d fam=%d proto=%d\n",
+			 par->hooknum, el_dev->name, el_dev->type,
+			 par->family, proto);
+	}
+
+	spin_lock_bh(&iface_stat_list_lock);
+	entry = get_iface_entry(el_dev->name);
+	if (entry == NULL) {
+		IF_DEBUG("qtaguid: iface_stat: %s(%s): not tracked\n",
+			 __func__, el_dev->name);
+		spin_unlock_bh(&iface_stat_list_lock);
+		return;
+	}
+
+	IF_DEBUG("qtaguid: %s(%s): entry=%p\n", __func__,
+		 el_dev->name, entry);
+
+	entry->totals_via_skb[direction].bytes += bytes;
+	entry->totals_via_skb[direction].packets++;
+	spin_unlock_bh(&iface_stat_list_lock);
+}
+
 static void tag_stat_update(struct tag_stat *tag_entry,
 			enum ifs_tx_rx direction, int proto, int bytes)
 {
@@ -1457,18 +1590,31 @@ static int __init iface_stat_init(struct proc_dir_entry *parent_procdir)
 						    parent_procdir);
 	if (!iface_stat_all_procfile) {
 		pr_err("qtaguid: iface_stat: init "
-		       " failed to create stat_all proc entry\n");
+		       " failed to create stat_old proc entry\n");
 		err = -1;
 		goto err_zap_entry;
 	}
-	iface_stat_all_procfile->read_proc = iface_stat_all_proc_read;
+	iface_stat_all_procfile->read_proc = iface_stat_fmt_proc_read;
+	iface_stat_all_procfile->data = (void *)1; /* fmt1 */
+
+	iface_stat_fmt_procfile = create_proc_entry(iface_stat_fmt_procfilename,
+						    proc_iface_perms,
+						    parent_procdir);
+	if (!iface_stat_fmt_procfile) {
+		pr_err("qtaguid: iface_stat: init "
+		       " failed to create stat_all proc entry\n");
+		err = -1;
+		goto err_zap_all_stats_entry;
+	}
+	iface_stat_fmt_procfile->read_proc = iface_stat_fmt_proc_read;
+	iface_stat_fmt_procfile->data = (void *)2; /* fmt2 */
 
 
 	err = register_netdevice_notifier(&iface_netdev_notifier_blk);
 	if (err) {
 		pr_err("qtaguid: iface_stat: init "
 		       "failed to register dev event handler\n");
-		goto err_zap_all_stats_entry;
+		goto err_zap_all_stats_entries;
 	}
 	err = register_inetaddr_notifier(&iface_inetaddr_notifier_blk);
 	if (err) {
@@ -1489,6 +1635,8 @@ err_unreg_ip4_addr:
 	unregister_inetaddr_notifier(&iface_inetaddr_notifier_blk);
 err_unreg_nd:
 	unregister_netdevice_notifier(&iface_netdev_notifier_blk);
+err_zap_all_stats_entries:
+	remove_proc_entry(iface_stat_fmt_procfilename, parent_procdir);
 err_zap_all_stats_entry:
 	remove_proc_entry(iface_stat_all_procfilename, parent_procdir);
 err_zap_entry:
@@ -1540,27 +1688,6 @@ static struct sock *qtaguid_find_sk(const struct sk_buff *skb,
 	return sk;
 }
 
-static int ipx_proto(const struct sk_buff *skb,
-		     struct xt_action_param *par)
-{
-	int thoff, tproto;
-
-	switch (par->family) {
-	case NFPROTO_IPV6:
-		tproto = ipv6_find_hdr(skb, &thoff, -1, NULL, NULL);
-		if (tproto < 0)
-			MT_DEBUG("%s(): transport header not found in ipv6"
-				 " skb=%p\n", __func__, skb);
-		break;
-	case NFPROTO_IPV4:
-		tproto = ip_hdr(skb)->protocol;
-		break;
-	default:
-		tproto = IPPROTO_RAW;
-	}
-	return tproto;
-}
-
 static void account_for_uid(const struct sk_buff *skb,
 			    const struct sock *alternate_sk, uid_t uid,
 			    struct xt_action_param *par)
@@ -1620,8 +1747,22 @@ static bool qtaguid_mt(const struct sk_buff *skb, struct xt_action_param *par)
 		goto ret_res;
 	}
 
-	sk = skb->sk;
+	switch (par->hooknum) {
+	case NF_INET_PRE_ROUTING:
+	case NF_INET_POST_ROUTING:
+		atomic64_inc(&qtu_events.match_calls_prepost);
+		iface_stat_update_from_skb(skb, par);
+		/*
+		 * We are done in pre/post. The skb will get processed
+		 * further alter.
+		 */
+		res = (info->match ^ info->invert);
+		goto ret_res;
+		break;
+	/* default: Fall through and do UID releated work */
+	}
 
+	sk = skb->sk;
 	if (sk == NULL) {
 		/*
 		 * A missing sk->sk_socket happens when packets are in-flight
@@ -1796,8 +1937,10 @@ static int qtaguid_ctrl_proc_read(char *page, char **num_items_returned,
 	if (*eof)
 		return 0;
 
-	CT_DEBUG("qtaguid: proc ctrl page=%p off=%ld char_count=%d *eof=%d\n",
-		page, items_to_skip, char_count, *eof);
+	CT_DEBUG("qtaguid: proc ctrl pid=%u tgid=%u uid=%u "
+		 "page=%p off=%ld char_count=%d *eof=%d\n",
+		 current->pid, current->tgid, current_fsuid(),
+		 page, items_to_skip, char_count, *eof);
 
 	spin_lock_bh(&sock_tag_list_lock);
 	for (node = rb_first(&sock_tag_tree);
@@ -1841,6 +1984,7 @@ static int qtaguid_ctrl_proc_read(char *page, char **num_items_returned,
 			       "delete_cmds=%llu "
 			       "iface_events=%llu "
 			       "match_calls=%llu "
+			       "match_calls_prepost=%llu "
 			       "match_found_sk=%llu "
 			       "match_found_sk_in_ct=%llu "
 			       "match_found_no_sk_in_ct=%llu "
@@ -1852,6 +1996,7 @@ static int qtaguid_ctrl_proc_read(char *page, char **num_items_returned,
 			       atomic64_read(&qtu_events.delete_cmds),
 			       atomic64_read(&qtu_events.iface_events),
 			       atomic64_read(&qtu_events.match_calls),
+			       atomic64_read(&qtu_events.match_calls_prepost),
 			       atomic64_read(&qtu_events.match_found_sk),
 			       atomic64_read(&qtu_events.match_found_sk_in_ct),
 			       atomic64_read(
@@ -2125,7 +2270,9 @@ static int ctrl_cmd_tag(const char *input)
 	el_socket = sockfd_lookup(sock_fd, &res);  /* This locks the file */
 	if (!el_socket) {
 		pr_info("qtaguid: ctrl_tag(%s): failed to lookup"
-			" sock_fd=%d err=%d\n", input, sock_fd, res);
+			" sock_fd=%d err=%d pid=%u tgid=%u uid=%u\n",
+			input, sock_fd, res, current->pid, current->tgid,
+			current_fsuid());
 		goto err;
 	}
 	CT_DEBUG("qtaguid: ctrl_tag(%s): socket->...->f_count=%ld ->sk=%p\n",
@@ -2270,7 +2417,9 @@ static int ctrl_cmd_untag(const char *input)
 	el_socket = sockfd_lookup(sock_fd, &res);  /* This locks the file */
 	if (!el_socket) {
 		pr_info("qtaguid: ctrl_untag(%s): failed to lookup"
-			" sock_fd=%d err=%d\n", input, sock_fd, res);
+			" sock_fd=%d err=%d pid=%u tgid=%u uid=%u\n",
+			input, sock_fd, res, current->pid, current->tgid,
+			current_fsuid());
 		goto err;
 	}
 	CT_DEBUG("qtaguid: ctrl_untag(%s): socket->...->f_count=%ld ->sk=%p\n",
@@ -2346,6 +2495,9 @@ static int qtaguid_ctrl_parse(const char *input, int count)
 	char cmd;
 	int res;
 
+	CT_DEBUG("qtaguid: ctrl(%s): pid=%u tgid=%u uid=%u\n",
+		 input, current->pid, current->tgid, current_fsuid());
+
 	cmd = input[0];
 	/* Collect params for commands */
 	switch (cmd) {
@@ -2522,9 +2674,12 @@ static int qtaguid_stats_proc_read(char *page, char **num_items_returned,
 		return len;
 	}
 
-	CT_DEBUG("qtaguid:proc stats page=%p *num_items_returned=%p off=%ld "
-		"char_count=%d *eof=%d\n", page, *num_items_returned,
-		items_to_skip, char_count, *eof);
+	CT_DEBUG("qtaguid:proc stats pid=%u tgid=%u uid=%u "
+		 "page=%p *num_items_returned=%p off=%ld "
+		 "char_count=%d *eof=%d\n",
+		 current->pid, current->tgid, current_fsuid(),
+		 page, *num_items_returned,
+		 items_to_skip, char_count, *eof);
 
 	if (*eof)
 		return 0;
diff --git a/net/netfilter/xt_qtaguid_internal.h b/net/netfilter/xt_qtaguid_internal.h
index 02479d6..d79f838 100644
--- a/net/netfilter/xt_qtaguid_internal.h
+++ b/net/netfilter/xt_qtaguid_internal.h
@@ -202,7 +202,8 @@ struct iface_stat {
 	/* net_dev is only valid for active iface_stat */
 	struct net_device *net_dev;
 
-	struct byte_packet_counters totals[IFS_MAX_DIRECTIONS];
+	struct byte_packet_counters totals_via_dev[IFS_MAX_DIRECTIONS];
+	struct byte_packet_counters totals_via_skb[IFS_MAX_DIRECTIONS];
 	/*
 	 * We keep the last_known, because some devices reset their counters
 	 * just before NETDEV_UP, while some will reset just before
@@ -254,6 +255,8 @@ struct qtaguid_event_counts {
 	atomic64_t iface_events;  /* Number of NETDEV_* events handled */
 
 	atomic64_t match_calls;   /* Number of times iptables called mt */
+	/* Number of times iptables called mt from pre or post routing hooks */
+	atomic64_t match_calls_prepost;
 	/*
 	 * match_found_sk_*: numbers related to the netfilter matching
 	 * function finding a sock for the sk_buff.
diff --git a/net/netfilter/xt_qtaguid_print.c b/net/netfilter/xt_qtaguid_print.c
index 3917678..8cbd8e4 100644
--- a/net/netfilter/xt_qtaguid_print.c
+++ b/net/netfilter/xt_qtaguid_print.c
@@ -183,7 +183,11 @@ char *pp_iface_stat(struct iface_stat *is)
 		res = kasprintf(GFP_ATOMIC, "iface_stat@%p{"
 				"list=list_head{...}, "
 				"ifname=%s, "
-				"total={rx={bytes=%llu, "
+				"total_dev={rx={bytes=%llu, "
+				"packets=%llu}, "
+				"tx={bytes=%llu, "
+				"packets=%llu}}, "
+				"total_skb={rx={bytes=%llu, "
 				"packets=%llu}, "
 				"tx={bytes=%llu, "
 				"packets=%llu}}, "
@@ -198,10 +202,14 @@ char *pp_iface_stat(struct iface_stat *is)
 				"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->totals_via_dev[IFS_RX].bytes,
+				is->totals_via_dev[IFS_RX].packets,
+				is->totals_via_dev[IFS_TX].bytes,
+				is->totals_via_dev[IFS_TX].packets,
+				is->totals_via_skb[IFS_RX].bytes,
+				is->totals_via_skb[IFS_RX].packets,
+				is->totals_via_skb[IFS_TX].bytes,
+				is->totals_via_skb[IFS_TX].packets,
 				is->last_known_valid,
 				is->last_known[IFS_RX].bytes,
 				is->last_known[IFS_RX].packets,
-- 
1.7.9.5

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