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Diffstat (limited to 'net/ipv4/tcp_minisocks.c')
-rw-r--r--net/ipv4/tcp_minisocks.c26
1 files changed, 8 insertions, 18 deletions
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 65c0f3d13eca..8f6373b0cd77 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -26,6 +26,7 @@
#include <net/tcp.h>
#include <net/inet_common.h>
#include <net/xfrm.h>
+#include <net/busy_poll.h>
int sysctl_tcp_abort_on_overflow __read_mostly;
@@ -94,7 +95,6 @@ tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb,
struct tcp_options_received tmp_opt;
struct tcp_timewait_sock *tcptw = tcp_twsk((struct sock *)tw);
bool paws_reject = false;
- struct inet_timewait_death_row *tcp_death_row = &sock_net((struct sock*)tw)->ipv4.tcp_death_row;
tmp_opt.saw_tstamp = 0;
if (th->doff > (sizeof(*th) >> 2) && tcptw->tw_ts_recent_stamp) {
@@ -149,12 +149,7 @@ tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb,
tcptw->tw_ts_recent = tmp_opt.rcv_tsval;
}
- if (tcp_death_row->sysctl_tw_recycle &&
- tcptw->tw_ts_recent_stamp &&
- tcp_tw_remember_stamp(tw))
- inet_twsk_reschedule(tw, tw->tw_timeout);
- else
- inet_twsk_reschedule(tw, TCP_TIMEWAIT_LEN);
+ inet_twsk_reschedule(tw, TCP_TIMEWAIT_LEN);
return TCP_TW_ACK;
}
@@ -259,12 +254,8 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
const struct inet_connection_sock *icsk = inet_csk(sk);
const struct tcp_sock *tp = tcp_sk(sk);
struct inet_timewait_sock *tw;
- bool recycle_ok = false;
struct inet_timewait_death_row *tcp_death_row = &sock_net(sk)->ipv4.tcp_death_row;
- if (tcp_death_row->sysctl_tw_recycle && tp->rx_opt.ts_recent_stamp)
- recycle_ok = tcp_remember_stamp(sk);
-
tw = inet_twsk_alloc(sk, tcp_death_row, state);
if (tw) {
@@ -317,13 +308,9 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
if (timeo < rto)
timeo = rto;
- if (recycle_ok) {
- tw->tw_timeout = rto;
- } else {
- tw->tw_timeout = TCP_TIMEWAIT_LEN;
- if (state == TCP_TIME_WAIT)
- timeo = TCP_TIMEWAIT_LEN;
- }
+ tw->tw_timeout = TCP_TIMEWAIT_LEN;
+ if (state == TCP_TIME_WAIT)
+ timeo = TCP_TIMEWAIT_LEN;
inet_twsk_schedule(tw, timeo);
/* Linkage updates. */
@@ -813,6 +800,9 @@ int tcp_child_process(struct sock *parent, struct sock *child,
int ret = 0;
int state = child->sk_state;
+ /* record NAPI ID of child */
+ sk_mark_napi_id(child, skb);
+
tcp_segs_in(tcp_sk(child), skb);
if (!sock_owned_by_user(child)) {
ret = tcp_rcv_state_process(child, skb);