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-rw-r--r--net/core/timestamping.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/net/core/timestamping.c b/net/core/timestamping.c
index 661b5a4..9ff26b3 100644
--- a/net/core/timestamping.c
+++ b/net/core/timestamping.c
@@ -23,16 +23,19 @@
#include <linux/skbuff.h>
#include <linux/export.h>
-static struct sock_filter ptp_filter[] = {
- PTP_FILTER
-};
+static struct sk_filter *ptp_insns __read_mostly;
+
+unsigned int ptp_classify_raw(const struct sk_buff *skb)
+{
+ return SK_RUN_FILTER(ptp_insns, skb);
+}
+EXPORT_SYMBOL_GPL(ptp_classify_raw);
static unsigned int classify(const struct sk_buff *skb)
{
- if (likely(skb->dev &&
- skb->dev->phydev &&
+ if (likely(skb->dev && skb->dev->phydev &&
skb->dev->phydev->drv))
- return sk_run_filter(skb, ptp_filter);
+ return ptp_classify_raw(skb);
else
return PTP_CLASS_NONE;
}
@@ -60,11 +63,13 @@ void skb_clone_tx_timestamp(struct sk_buff *skb)
if (likely(phydev->drv->txtstamp)) {
if (!atomic_inc_not_zero(&sk->sk_refcnt))
return;
+
clone = skb_clone(skb, GFP_ATOMIC);
if (!clone) {
sock_put(sk);
return;
}
+
clone->sk = sk;
phydev->drv->txtstamp(phydev, clone, type);
}
@@ -89,12 +94,15 @@ void skb_complete_tx_timestamp(struct sk_buff *skb,
}
*skb_hwtstamps(skb) = *hwtstamps;
+
serr = SKB_EXT_ERR(skb);
memset(serr, 0, sizeof(*serr));
serr->ee.ee_errno = ENOMSG;
serr->ee.ee_origin = SO_EE_ORIGIN_TIMESTAMPING;
skb->sk = NULL;
+
err = sock_queue_err_skb(sk, skb);
+
sock_put(sk);
if (err)
kfree_skb(skb);
@@ -135,5 +143,10 @@ EXPORT_SYMBOL_GPL(skb_defer_rx_timestamp);
void __init skb_timestamping_init(void)
{
- BUG_ON(sk_chk_filter(ptp_filter, ARRAY_SIZE(ptp_filter)));
+ static struct sock_filter ptp_filter[] = { PTP_FILTER };
+ struct sock_fprog ptp_prog = {
+ .len = ARRAY_SIZE(ptp_filter), .filter = ptp_filter,
+ };
+
+ BUG_ON(sk_unattached_filter_create(&ptp_insns, &ptp_prog));
}
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