Re: [PATCH net-next] tcp: minor optimization for calculating packets_out in tcp connect

2018-12-15 Thread David Miller
From: Eric Dumazet Date: Sat, 15 Dec 2018 04:59:00 -0800 > > > On 12/15/2018 01:33 AM, Yafang Shao wrote: >> When we building a syn packet, the tcp_skb_pcount(skb) is always 1, >> which is set in tcp_init_nondata_skb(). >> Regarding the syn_data, it is set through >> memcpy(syn_data->cb,

Re: [PATCH net-next] tcp: minor optimization for calculating packets_out in tcp connect

2018-12-15 Thread Eric Dumazet
On 12/15/2018 01:33 AM, Yafang Shao wrote: > When we building a syn packet, the tcp_skb_pcount(skb) is always 1, > which is set in tcp_init_nondata_skb(). > Regarding the syn_data, it is set through > memcpy(syn_data->cb, syn->cb, sizeof(syn->cb)), > which is always 1 as well. > > So we don't