1150 	struct sk_buff *buff;  in tcp_fragment()  local
1166 	buff = sk_stream_alloc_skb(sk, nsize, gfp);  in tcp_fragment()
1167 	if (!buff)  in tcp_fragment()
1170 	sk->sk_wmem_queued += buff->truesize;  in tcp_fragment()
1171 	sk_mem_charge(sk, buff->truesize);  in tcp_fragment()
1173 	buff->truesize += nlen;  in tcp_fragment()
1177 	TCP_SKB_CB(buff)->seq = TCP_SKB_CB(skb)->seq + len;  in tcp_fragment()
1178 	TCP_SKB_CB(buff)->end_seq = TCP_SKB_CB(skb)->end_seq;  in tcp_fragment()
1179 	TCP_SKB_CB(skb)->end_seq = TCP_SKB_CB(buff)->seq;  in tcp_fragment()
1184 	TCP_SKB_CB(buff)->tcp_flags = flags;  in tcp_fragment()
1185 	TCP_SKB_CB(buff)->sacked = TCP_SKB_CB(skb)->sacked;  in tcp_fragment()
1189 		buff->csum = csum_partial_copy_nocheck(skb->data + len,  in tcp_fragment()
1190 						       skb_put(buff, nsize),  in tcp_fragment()
1195 		skb->csum = csum_block_sub(skb->csum, buff->csum, len);  in tcp_fragment()
1198 		skb_split(skb, buff, len);  in tcp_fragment()
1201 	buff->ip_summed = skb->ip_summed;  in tcp_fragment()
1203 	buff->tstamp = skb->tstamp;  in tcp_fragment()
1204 	tcp_fragment_tstamp(skb, buff);  in tcp_fragment()
1210 	tcp_set_skb_tso_segs(sk, buff, mss_now);  in tcp_fragment()
1215 	if (!before(tp->snd_nxt, TCP_SKB_CB(buff)->end_seq)) {  in tcp_fragment()
1217 			tcp_skb_pcount(buff);  in tcp_fragment()
1224 	__skb_header_release(buff);  in tcp_fragment()
1225 	tcp_insert_write_queue_after(skb, buff, sk);  in tcp_fragment()
1717 	struct sk_buff *buff;  in tso_fragment()  local
1725 	buff = sk_stream_alloc_skb(sk, 0, gfp);  in tso_fragment()
1726 	if (unlikely(!buff))  in tso_fragment()
1729 	sk->sk_wmem_queued += buff->truesize;  in tso_fragment()
1730 	sk_mem_charge(sk, buff->truesize);  in tso_fragment()
1731 	buff->truesize += nlen;  in tso_fragment()
1735 	TCP_SKB_CB(buff)->seq = TCP_SKB_CB(skb)->seq + len;  in tso_fragment()
1736 	TCP_SKB_CB(buff)->end_seq = TCP_SKB_CB(skb)->end_seq;  in tso_fragment()
1737 	TCP_SKB_CB(skb)->end_seq = TCP_SKB_CB(buff)->seq;  in tso_fragment()
1742 	TCP_SKB_CB(buff)->tcp_flags = flags;  in tso_fragment()
1745 	TCP_SKB_CB(buff)->sacked = 0;  in tso_fragment()
1747 	buff->ip_summed = skb->ip_summed = CHECKSUM_PARTIAL;  in tso_fragment()
1748 	skb_split(skb, buff, len);  in tso_fragment()
1749 	tcp_fragment_tstamp(skb, buff);  in tso_fragment()
1753 	tcp_set_skb_tso_segs(sk, buff, mss_now);  in tso_fragment()
1756 	__skb_header_release(buff);  in tso_fragment()
1757 	tcp_insert_write_queue_after(skb, buff, sk);  in tso_fragment()
3236 	struct sk_buff *buff;  in tcp_connect()  local
3246 	buff = sk_stream_alloc_skb(sk, 0, sk->sk_allocation);  in tcp_connect()
3247 	if (unlikely(!buff))  in tcp_connect()
3250 	tcp_init_nondata_skb(buff, tp->write_seq++, TCPHDR_SYN);  in tcp_connect()
3252 	tcp_connect_queue_skb(sk, buff);  in tcp_connect()
3253 	tcp_ecn_send_syn(sk, buff);  in tcp_connect()
3256 	err = tp->fastopen_req ? tcp_send_syn_data(sk, buff) :  in tcp_connect()
3257 	      tcp_transmit_skb(sk, buff, 1, sk->sk_allocation);  in tcp_connect()
3337 	struct sk_buff *buff;  in tcp_send_ack()  local
3349 	buff = alloc_skb(MAX_TCP_HEADER, sk_gfp_atomic(sk, GFP_ATOMIC));  in tcp_send_ack()
3350 	if (!buff) {  in tcp_send_ack()
3359 	skb_reserve(buff, MAX_TCP_HEADER);  in tcp_send_ack()
3360 	tcp_init_nondata_skb(buff, tcp_acceptable_seq(sk), TCPHDR_ACK);  in tcp_send_ack()
3368 	skb_set_tcp_pure_ack(buff);  in tcp_send_ack()
3371 	skb_mstamp_get(&buff->skb_mstamp);  in tcp_send_ack()
3372 	tcp_transmit_skb(sk, buff, 0, sk_gfp_atomic(sk, GFP_ATOMIC));  in tcp_send_ack()