write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/include/net/pkt_sched.h
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@@ -129,12 +129,14 @@
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 	}
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 }
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+extern const struct nla_policy rtm_tca_policy[TCA_MAX + 1];
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+
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 /* Calculate maximal size of packet seen by hard_start_xmit
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    routine of this device.
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  */
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 static inline unsigned int psched_mtu(const struct net_device *dev)
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 {
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-	return dev->mtu + dev->hard_header_len;
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+	return READ_ONCE(dev->mtu) + dev->hard_header_len;
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 }
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 static inline struct net *qdisc_net(struct Qdisc *q)
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@@ -179,4 +181,13 @@
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 						  *offload);
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 void taprio_offload_free(struct tc_taprio_qopt_offload *offload);
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+/* Ensure skb_mstamp_ns, which might have been populated with the txtime, is
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+ * not mistaken for a software timestamp, because this will otherwise prevent
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+ * the dispatch of hardware timestamps to the socket.
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+ */
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+static inline void skb_txtime_consumed(struct sk_buff *skb)
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+{
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+	skb->tstamp = ktime_set(0, 0);
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+}
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+
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 #endif