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authorDavid S. Miller <davem@davemloft.net>2018-07-20 23:37:55 -0700
committerDavid S. Miller <davem@davemloft.net>2018-07-20 23:37:55 -0700
commit7c4ec749a3bd89237d7195ccd621bf5d4124d6b5 (patch)
tree3c9d09ee760e7f4da97da4b441f0e5b6a28f4685 /net/core/dev.c
parent99d20a461c43556242a4e1b65e309f1c1fadea4f (diff)
net: Init backlog NAPI's gro_hash.
Based upon a patch by Sean Tranchetti. Fixes: d4546c2509b1 ("net: Convert GRO SKB handling to list_head.") Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 4f8b92d81d10..87c42c8249ae 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6115,19 +6115,24 @@ static enum hrtimer_restart napi_watchdog(struct hrtimer *timer)
return HRTIMER_NORESTART;
}
-void netif_napi_add(struct net_device *dev, struct napi_struct *napi,
- int (*poll)(struct napi_struct *, int), int weight)
+static void init_gro_hash(struct napi_struct *napi)
{
int i;
- INIT_LIST_HEAD(&napi->poll_list);
- hrtimer_init(&napi->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_PINNED);
- napi->timer.function = napi_watchdog;
- napi->gro_bitmask = 0;
for (i = 0; i < GRO_HASH_BUCKETS; i++) {
INIT_LIST_HEAD(&napi->gro_hash[i].list);
napi->gro_hash[i].count = 0;
}
+ napi->gro_bitmask = 0;
+}
+
+void netif_napi_add(struct net_device *dev, struct napi_struct *napi,
+ int (*poll)(struct napi_struct *, int), int weight)
+{
+ INIT_LIST_HEAD(&napi->poll_list);
+ hrtimer_init(&napi->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_PINNED);
+ napi->timer.function = napi_watchdog;
+ init_gro_hash(napi);
napi->skb = NULL;
napi->poll = poll;
if (weight > NAPI_POLL_WEIGHT)
@@ -9554,6 +9559,7 @@ static int __init net_dev_init(void)
sd->cpu = i;
#endif
+ init_gro_hash(&sd->backlog);
sd->backlog.poll = process_backlog;
sd->backlog.weight = weight_p;
}