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net: annotate accesses to sk->sk_rx_queue_mapping
sk->sk_rx_queue_mapping can be modified locklessly, add a couple of READ_ONCE()/WRITE_ONCE() to document this fact. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -1925,15 +1925,19 @@ static inline void sk_rx_queue_set(struct sock *sk, const struct sk_buff *skb)
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static inline void sk_rx_queue_clear(struct sock *sk)
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{
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#ifdef CONFIG_SOCK_RX_QUEUE_MAPPING
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sk->sk_rx_queue_mapping = NO_QUEUE_MAPPING;
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WRITE_ONCE(sk->sk_rx_queue_mapping, NO_QUEUE_MAPPING);
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#endif
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}
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static inline int sk_rx_queue_get(const struct sock *sk)
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{
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#ifdef CONFIG_SOCK_RX_QUEUE_MAPPING
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if (sk && sk->sk_rx_queue_mapping != NO_QUEUE_MAPPING)
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return sk->sk_rx_queue_mapping;
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if (sk) {
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int res = READ_ONCE(sk->sk_rx_queue_mapping);
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if (res != NO_QUEUE_MAPPING)
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return res;
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}
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#endif
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return -1;
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