sk_tx_queue_mapping
if (READ_ONCE(sk->sk_tx_queue_mapping) != tx_queue) {
WRITE_ONCE(sk->sk_tx_queue_mapping, tx_queue);
WRITE_ONCE(sk->sk_tx_queue_mapping, NO_QUEUE_MAPPING);
val = READ_ONCE(sk->sk_tx_queue_mapping);
BUILD_BUG_ON(offsetof(struct sock, sk_tx_queue_mapping) <
offsetof(struct sock, sk_tx_queue_mapping) >=
nreq_sk->sk_tx_queue_mapping = req_sk->sk_tx_queue_mapping;
tw->tw_tx_queue_mapping = sk->sk_tx_queue_mapping;