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Diffstat (limited to 'net/core/net-procfs.c')
-rw-r--r--net/core/net-procfs.c37
1 files changed, 26 insertions, 11 deletions
diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c
index fa6d3969734a..4f0f0709a1cb 100644
--- a/net/core/net-procfs.c
+++ b/net/core/net-procfs.c
@@ -132,8 +132,9 @@ static int softnet_seq_show(struct seq_file *seq, void *v)
rcu_read_lock();
fl = rcu_dereference(sd->flow_limit);
+ /* Pairs with WRITE_ONCE() in skb_flow_limit() */
if (fl)
- flow_limit_count = fl->count;
+ flow_limit_count = READ_ONCE(fl->count);
rcu_read_unlock();
#endif
@@ -144,11 +145,11 @@ static int softnet_seq_show(struct seq_file *seq, void *v)
seq_printf(seq,
"%08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x "
"%08x %08x\n",
- sd->processed, atomic_read(&sd->dropped),
- sd->time_squeeze, 0,
+ READ_ONCE(sd->processed), atomic_read(&sd->dropped),
+ READ_ONCE(sd->time_squeeze), 0,
0, 0, 0, 0, /* was fastroute */
0, /* was cpu_collision */
- sd->received_rps, flow_limit_count,
+ READ_ONCE(sd->received_rps), flow_limit_count,
input_qlen + process_qlen, (int)seq->index,
input_qlen, process_qlen);
return 0;
@@ -185,7 +186,13 @@ static void *ptype_get_idx(struct seq_file *seq, loff_t pos)
}
}
- list_for_each_entry_rcu(pt, &net_hotdata.ptype_all, list) {
+ list_for_each_entry_rcu(pt, &seq_file_net(seq)->ptype_all, list) {
+ if (i == pos)
+ return pt;
+ ++i;
+ }
+
+ list_for_each_entry_rcu(pt, &seq_file_net(seq)->ptype_specific, list) {
if (i == pos)
return pt;
++i;
@@ -210,6 +217,7 @@ static void *ptype_seq_start(struct seq_file *seq, loff_t *pos)
static void *ptype_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
+ struct net *net = seq_file_net(seq);
struct net_device *dev;
struct packet_type *pt;
struct list_head *nxt;
@@ -232,15 +240,22 @@ static void *ptype_seq_next(struct seq_file *seq, void *v, loff_t *pos)
goto found;
}
}
-
- nxt = net_hotdata.ptype_all.next;
- goto ptype_all;
+ nxt = net->ptype_all.next;
+ goto net_ptype_all;
}
- if (pt->type == htons(ETH_P_ALL)) {
-ptype_all:
- if (nxt != &net_hotdata.ptype_all)
+ if (pt->af_packet_net) {
+net_ptype_all:
+ if (nxt != &net->ptype_all && nxt != &net->ptype_specific)
goto found;
+
+ if (nxt == &net->ptype_all) {
+ /* continue with ->ptype_specific if it's not empty */
+ nxt = net->ptype_specific.next;
+ if (nxt != &net->ptype_specific)
+ goto found;
+ }
+
hash = 0;
nxt = ptype_base[0].next;
} else