change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/include/linux/netdevice.h
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@@ -264,9 +264,11 @@
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  * relationship HH alignment <= LL alignment.
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  */
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 #define LL_RESERVED_SPACE(dev) \
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-	((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
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+	((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom)) \
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+	  & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
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 #define LL_RESERVED_SPACE_EXTRA(dev,extra) \
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-	((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
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+	((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom) + (extra)) \
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+	  & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
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 struct header_ops {
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 	int	(*create) (struct sk_buff *skb, struct net_device *dev,
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@@ -749,8 +751,11 @@
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 		/* We only give a hint, preemption can change CPU under us */
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 		val |= raw_smp_processor_id();
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-		if (table->ents[index] != val)
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-			table->ents[index] = val;
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+		/* The following WRITE_ONCE() is paired with the READ_ONCE()
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+		 * here, and another one in get_rps_cpu().
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+		 */
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+		if (READ_ONCE(table->ents[index]) != val)
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+			WRITE_ONCE(table->ents[index], val);
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 	}
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 }
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@@ -1780,7 +1785,6 @@
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  *	@tipc_ptr:	TIPC specific data
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  *	@atalk_ptr:	AppleTalk link
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  *	@ip_ptr:	IPv4 specific data
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- *	@dn_ptr:	DECnet specific data
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  *	@ip6_ptr:	IPv6 specific data
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  *	@ax25_ptr:	AX.25 specific data
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  *	@ieee80211_ptr:	IEEE 802.11 specific data, assign before registering
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@@ -2059,9 +2063,6 @@
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 	void 			*atalk_ptr;
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 #endif
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 	struct in_device __rcu	*ip_ptr;
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-#if IS_ENABLED(CONFIG_DECNET)
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-	struct dn_dev __rcu     *dn_ptr;
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-#endif
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 	struct inet6_dev __rcu	*ip6_ptr;
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 #if IS_ENABLED(CONFIG_AX25)
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 	void			*ax25_ptr;
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@@ -4513,6 +4514,24 @@
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 void __hw_addr_init(struct netdev_hw_addr_list *list);
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 /* Functions used for device addresses handling */
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+static inline void
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+__dev_addr_set(struct net_device *dev, const u8 *addr, size_t len)
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+{
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+	memcpy(dev->dev_addr, addr, len);
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+}
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+
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+static inline void dev_addr_set(struct net_device *dev, const u8 *addr)
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+{
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+	__dev_addr_set(dev, addr, dev->addr_len);
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+}
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+
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+static inline void
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+dev_addr_mod(struct net_device *dev, unsigned int offset,
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+	     const u8 *addr, size_t len)
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+{
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+	memcpy(&dev->dev_addr[offset], addr, len);
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+}
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+
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 int dev_addr_add(struct net_device *dev, const unsigned char *addr,
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 		 unsigned char addr_type);
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 int dev_addr_del(struct net_device *dev, const unsigned char *addr,