sock_flags        831 include/net/sock.h static inline void sock_set_flag(struct sock *sk, enum sock_flags flag)
sock_flags        836 include/net/sock.h static inline void sock_reset_flag(struct sock *sk, enum sock_flags flag)
sock_flags        841 include/net/sock.h static inline bool sock_flag(const struct sock *sk, enum sock_flags flag)