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authorLiu Ping Fan <qemulist@gmail.com>2013-08-25 10:01:19 +0800
committerJan Kiszka <jan.kiszka@siemens.com>2013-09-17 12:26:04 +0200
commitfe0ff43c9d8ccf45effdade8d40e44aed421187f (patch)
tree19fa01a57cb26f8b4eab101e92676459037f92d1
parent2d1fe1873a984d1c2c89ffa3d12949cafc718551 (diff)
downloadqemu-arm-fe0ff43c9d8ccf45effdade8d40e44aed421187f.tar.gz
slirp: make timeout local
Each slirp has its own time to caculate timeout. Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
-rw-r--r--slirp/slirp.c22
-rw-r--r--slirp/slirp.h3
2 files changed, 13 insertions, 12 deletions
diff --git a/slirp/slirp.c b/slirp/slirp.c
index 5c3dabba93..b3ef4fe08b 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -40,8 +40,6 @@ static const uint8_t special_ethaddr[ETH_ALEN] = {
static const uint8_t zero_ethaddr[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
u_int curtime;
-static u_int time_fasttimo, last_slowtimo;
-static int do_slowtimo;
static QTAILQ_HEAD(slirp_instances, Slirp) slirp_instances =
QTAILQ_HEAD_INITIALIZER(slirp_instances);
@@ -278,14 +276,13 @@ void slirp_pollfds_fill(GArray *pollfds)
/*
* First, TCP sockets
*/
- do_slowtimo = 0;
QTAILQ_FOREACH(slirp, &slirp_instances, entry) {
/*
* *_slowtimo needs calling if there are IP fragments
* in the fragment queue, or there are TCP connections active
*/
- do_slowtimo |= ((slirp->tcb.so_next != &slirp->tcb) ||
+ slirp->do_slowtimo = ((slirp->tcb.so_next != &slirp->tcb) ||
(&slirp->ipq.ip_link != slirp->ipq.ip_link.next));
for (so = slirp->tcb.so_next; so != &slirp->tcb;
@@ -299,8 +296,9 @@ void slirp_pollfds_fill(GArray *pollfds)
/*
* See if we need a tcp_fasttimo
*/
- if (time_fasttimo == 0 && so->so_tcpcb->t_flags & TF_DELACK) {
- time_fasttimo = curtime; /* Flag when we want a fasttimo */
+ if (slirp->time_fasttimo == 0 &&
+ so->so_tcpcb->t_flags & TF_DELACK) {
+ slirp->time_fasttimo = curtime; /* Flag when want a fasttimo */
}
/*
@@ -381,7 +379,7 @@ void slirp_pollfds_fill(GArray *pollfds)
udp_detach(so);
continue;
} else {
- do_slowtimo = 1; /* Let socket expire */
+ slirp->do_slowtimo = true; /* Let socket expire */
}
}
@@ -422,7 +420,7 @@ void slirp_pollfds_fill(GArray *pollfds)
icmp_detach(so);
continue;
} else {
- do_slowtimo = 1; /* Let socket expire */
+ slirp->do_slowtimo = true; /* Let socket expire */
}
}
@@ -454,14 +452,14 @@ void slirp_pollfds_poll(GArray *pollfds, int select_error)
/*
* See if anything has timed out
*/
- if (time_fasttimo && ((curtime - time_fasttimo) >= 2)) {
+ if (slirp->time_fasttimo && ((curtime - slirp->time_fasttimo) >= 2)) {
tcp_fasttimo(slirp);
- time_fasttimo = 0;
+ slirp->time_fasttimo = 0;
}
- if (do_slowtimo && ((curtime - last_slowtimo) >= 499)) {
+ if (slirp->do_slowtimo && ((curtime - slirp->last_slowtimo) >= 499)) {
ip_slowtimo(slirp);
tcp_slowtimo(slirp);
- last_slowtimo = curtime;
+ slirp->last_slowtimo = curtime;
}
/*
diff --git a/slirp/slirp.h b/slirp/slirp.h
index fe0e65d0ee..e4a1bd4abb 100644
--- a/slirp/slirp.h
+++ b/slirp/slirp.h
@@ -203,6 +203,9 @@ bool arp_table_search(Slirp *slirp, uint32_t ip_addr,
struct Slirp {
QTAILQ_ENTRY(Slirp) entry;
+ u_int time_fasttimo;
+ u_int last_slowtimo;
+ bool do_slowtimo;
/* virtual network configuration */
struct in_addr vnetwork_addr;