rtl88x2CE_WiFi_linux add concurrent mode

hc

2024-09-20 cf4ce59b3b70238352c7f1729f0f7223214828ad

 kernel/net/core/net-procfs.c
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@@ -20,8 +20,8 @@
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 	struct hlist_head *h;
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 	unsigned int count = 0, offset = get_offset(*pos);
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-	h = &net->dev_name_head[get_bucket(*pos)];
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-	hlist_for_each_entry_rcu(dev, h, name_hlist) {
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+	h = &net->dev_index_head[get_bucket(*pos)];
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+	hlist_for_each_entry_rcu(dev, h, index_hlist) {
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 		if (++count == offset)
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 			return dev;
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 	}
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@@ -116,6 +116,12 @@
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 	return 0;
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 }
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+static u32 softnet_backlog_len(struct softnet_data *sd)
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+{
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+	return skb_queue_len_lockless(&sd->input_pkt_queue) +
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+	       skb_queue_len_lockless(&sd->process_queue);
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+}
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+
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 static struct softnet_data *softnet_get_online(loff_t *pos)
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 {
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 	struct softnet_data *sd = NULL;
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@@ -159,12 +165,17 @@
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 	rcu_read_unlock();
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 #endif
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+	/* the index is the CPU id owing this sd. Since offline CPUs are not
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+	 * displayed, it would be othrwise not trivial for the user-space
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+	 * mapping the data a specific CPU
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+	 */
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 	seq_printf(seq,
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-		   "%08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x\n",
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+		   "%08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x\n",
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 		   sd->processed, sd->dropped, sd->time_squeeze, 0,
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 		   0, 0, 0, 0, /* was fastroute */
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 		   0,	/* was cpu_collision */
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-		   sd->received_rps, flow_limit_count);
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+		   sd->received_rps, flow_limit_count,
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+		   softnet_backlog_len(sd), (int)seq->index);
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 	return 0;
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 }
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@@ -288,7 +299,7 @@
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 		else
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 			seq_printf(seq, "%04x", ntohs(pt->type));
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-		seq_printf(seq, " %-8s %pf\n",
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+		seq_printf(seq, " %-8s %ps\n",
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 			   pt->dev ? pt->dev->name : "", pt->func);
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 	}
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