1139 	struct sk_buff *buff;  in tcp_fragment()  local
1155 	buff = sk_stream_alloc_skb(sk, nsize, gfp, true);  in tcp_fragment()
1156 	if (!buff)  in tcp_fragment()
1159 	sk->sk_wmem_queued += buff->truesize;  in tcp_fragment()
1160 	sk_mem_charge(sk, buff->truesize);  in tcp_fragment()
1162 	buff->truesize += nlen;  in tcp_fragment()
1166 	TCP_SKB_CB(buff)->seq = TCP_SKB_CB(skb)->seq + len;  in tcp_fragment()
1167 	TCP_SKB_CB(buff)->end_seq = TCP_SKB_CB(skb)->end_seq;  in tcp_fragment()
1168 	TCP_SKB_CB(skb)->end_seq = TCP_SKB_CB(buff)->seq;  in tcp_fragment()
1173 	TCP_SKB_CB(buff)->tcp_flags = flags;  in tcp_fragment()
1174 	TCP_SKB_CB(buff)->sacked = TCP_SKB_CB(skb)->sacked;  in tcp_fragment()
1178 		buff->csum = csum_partial_copy_nocheck(skb->data + len,  in tcp_fragment()
1179 						       skb_put(buff, nsize),  in tcp_fragment()
1184 		skb->csum = csum_block_sub(skb->csum, buff->csum, len);  in tcp_fragment()
1187 		skb_split(skb, buff, len);  in tcp_fragment()
1190 	buff->ip_summed = skb->ip_summed;  in tcp_fragment()
1192 	buff->tstamp = skb->tstamp;  in tcp_fragment()
1193 	tcp_fragment_tstamp(skb, buff);  in tcp_fragment()
1199 	tcp_set_skb_tso_segs(buff, mss_now);  in tcp_fragment()
1204 	if (!before(tp->snd_nxt, TCP_SKB_CB(buff)->end_seq)) {  in tcp_fragment()
1206 			tcp_skb_pcount(buff);  in tcp_fragment()
1213 	__skb_header_release(buff);  in tcp_fragment()
1214 	tcp_insert_write_queue_after(skb, buff, sk);  in tcp_fragment()
1705 	struct sk_buff *buff;  in tso_fragment()  local
1713 	buff = sk_stream_alloc_skb(sk, 0, gfp, true);  in tso_fragment()
1714 	if (unlikely(!buff))  in tso_fragment()
1717 	sk->sk_wmem_queued += buff->truesize;  in tso_fragment()
1718 	sk_mem_charge(sk, buff->truesize);  in tso_fragment()
1719 	buff->truesize += nlen;  in tso_fragment()
1723 	TCP_SKB_CB(buff)->seq = TCP_SKB_CB(skb)->seq + len;  in tso_fragment()
1724 	TCP_SKB_CB(buff)->end_seq = TCP_SKB_CB(skb)->end_seq;  in tso_fragment()
1725 	TCP_SKB_CB(skb)->end_seq = TCP_SKB_CB(buff)->seq;  in tso_fragment()
1730 	TCP_SKB_CB(buff)->tcp_flags = flags;  in tso_fragment()
1733 	TCP_SKB_CB(buff)->sacked = 0;  in tso_fragment()
1735 	buff->ip_summed = skb->ip_summed = CHECKSUM_PARTIAL;  in tso_fragment()
1736 	skb_split(skb, buff, len);  in tso_fragment()
1737 	tcp_fragment_tstamp(skb, buff);  in tso_fragment()
1741 	tcp_set_skb_tso_segs(buff, mss_now);  in tso_fragment()
1744 	__skb_header_release(buff);  in tso_fragment()
1745 	tcp_insert_write_queue_after(skb, buff, sk);  in tso_fragment()
3245 	struct sk_buff *buff;  in tcp_connect()  local
3255 	buff = sk_stream_alloc_skb(sk, 0, sk->sk_allocation, true);  in tcp_connect()
3256 	if (unlikely(!buff))  in tcp_connect()
3259 	tcp_init_nondata_skb(buff, tp->write_seq++, TCPHDR_SYN);  in tcp_connect()
3261 	tcp_connect_queue_skb(sk, buff);  in tcp_connect()
3262 	tcp_ecn_send_syn(sk, buff);  in tcp_connect()
3265 	err = tp->fastopen_req ? tcp_send_syn_data(sk, buff) :  in tcp_connect()
3266 	      tcp_transmit_skb(sk, buff, 1, sk->sk_allocation);  in tcp_connect()
3346 	struct sk_buff *buff;  in tcp_send_ack()  local
3358 	buff = alloc_skb(MAX_TCP_HEADER, sk_gfp_atomic(sk, GFP_ATOMIC));  in tcp_send_ack()
3359 	if (!buff) {  in tcp_send_ack()
3368 	skb_reserve(buff, MAX_TCP_HEADER);  in tcp_send_ack()
3369 	tcp_init_nondata_skb(buff, tcp_acceptable_seq(sk), TCPHDR_ACK);  in tcp_send_ack()
3377 	skb_set_tcp_pure_ack(buff);  in tcp_send_ack()
3380 	skb_mstamp_get(&buff->skb_mstamp);  in tcp_send_ack()
3381 	tcp_transmit_skb(sk, buff, 0, sk_gfp_atomic(sk, GFP_ATOMIC));  in tcp_send_ack()