Symbol: __tcp_transmit_skb
net/ipv4/tcp_output.c
1734
return __tcp_transmit_skb(sk, skb, clone_it, gfp_mask,
net/ipv4/tcp_output.c
4505
__tcp_transmit_skb(sk, buff, 0, (__force gfp_t)0, rcv_nxt);