修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/net/tipc/discover.c
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@@ -74,7 +74,7 @@
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 /**
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  * tipc_disc_init_msg - initialize a link setup message
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  * @net: the applicable net namespace
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- * @type: message type (request or response)
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+ * @mtyp: message type (request or response)
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  * @b: ptr to bearer issuing message
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  */
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 static void tipc_disc_init_msg(struct net *net, struct sk_buff *skb,
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@@ -94,6 +94,7 @@
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 	msg_set_dest_domain(hdr, dest_domain);
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 	msg_set_bc_netid(hdr, tn->net_id);
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 	b->media->addr2msg(msg_media_addr(hdr), &b->addr);
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+	msg_set_peer_net_hash(hdr, tipc_net_hash_mixes(net, tn->random));
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 	msg_set_node_id(hdr, tipc_own_id(net));
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 }
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@@ -146,8 +147,8 @@
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 {
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 	struct net *net = d->net;
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 	struct tipc_net *tn = tipc_net(net);
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-	bool trial = time_before(jiffies, tn->addr_trial_end);
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 	u32 self = tipc_own_addr(net);
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+	bool trial = time_before(jiffies, tn->addr_trial_end) && !self;
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 	if (mtyp == DSC_TRIAL_FAIL_MSG) {
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 		if (!trial)
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@@ -166,7 +167,7 @@
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 	/* Apply trial address if we just left trial period */
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 	if (!trial && !self) {
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-		tipc_sched_net_finalize(net, tn->trial_addr);
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+		schedule_work(&tn->work);
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 		msg_set_prevnode(buf_msg(d->skb), tn->trial_addr);
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 		msg_set_type(buf_msg(d->skb), DSC_REQ_MSG);
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 	}
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@@ -193,6 +194,7 @@
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 {
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 	struct tipc_net *tn = tipc_net(net);
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 	struct tipc_msg *hdr = buf_msg(skb);
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+	u32 pnet_hash = msg_peer_net_hash(hdr);
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 	u16 caps = msg_node_capabilities(hdr);
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 	bool legacy = tn->legacy_addr_format;
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 	u32 sugg = msg_sugg_node_addr(hdr);
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@@ -208,7 +210,10 @@
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 	u32 self;
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 	int err;
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-	skb_linearize(skb);
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+	if (skb_linearize(skb)) {
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+		kfree_skb(skb);
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+		return;
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+	}
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 	hdr = buf_msg(skb);
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 	if (caps & TIPC_NODE_ID128)
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@@ -241,7 +246,7 @@
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 		return;
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 	if (!tipc_in_scope(legacy, b->domain, src))
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 		return;
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-	tipc_node_check_dest(net, src, peer_id, b, caps, signature,
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+	tipc_node_check_dest(net, src, peer_id, b, caps, signature, pnet_hash,
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 			     &maddr, &respond, &dupl_addr);
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 	if (dupl_addr)
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 		disc_dupl_alert(b, src, &maddr);
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@@ -305,7 +310,7 @@
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 	if (!time_before(jiffies, tn->addr_trial_end) && !tipc_own_addr(net)) {
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 		mod_timer(&d->timer, jiffies + TIPC_DISC_INIT);
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 		spin_unlock_bh(&d->lock);
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-		tipc_sched_net_finalize(net, tn->trial_addr);
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+		schedule_work(&tn->work);
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 		return;
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 	}
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@@ -337,7 +342,7 @@
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  * @net: the applicable net namespace
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  * @b: ptr to bearer issuing requests
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  * @dest: destination address for request messages
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- * @dest_domain: network domain to which links can be established
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+ * @skb: pointer to created frame
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  *
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  * Returns 0 if successful, otherwise -errno.
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  */
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@@ -391,7 +396,6 @@
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  * tipc_disc_reset - reset object to send periodic link setup requests
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  * @net: the applicable net namespace
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  * @b: ptr to bearer issuing requests
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- * @dest_domain: network domain to which links can be established
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  */
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 void tipc_disc_reset(struct net *net, struct tipc_bearer *b)
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 {