Author: jhb
Date: Mon Jan 3 18:28:30 2011
New Revision: 216925
URL: http://svn.freebsd.org/changeset/base/216925
Log:
Add a 'locked' variant of the foo_start() routine and call it directly
from interrupt handlers and watchdog routines instead of queueing a task
to call foo_start().
Reviewed by: yongari
MFC after: 1 month
Modified:
head/sys/dev/ae/if_ae.c
head/sys/dev/ae/if_aevar.h
head/sys/dev/age/if_age.c
head/sys/dev/age/if_agevar.h
head/sys/dev/alc/if_alc.c
head/sys/dev/alc/if_alcvar.h
head/sys/dev/ale/if_ale.c
head/sys/dev/ale/if_alevar.h
head/sys/dev/nfe/if_nfe.c
head/sys/dev/nfe/if_nfevar.h
Modified: head/sys/dev/ae/if_ae.c
==============================================================================
--- head/sys/dev/ae/if_ae.c Mon Jan 3 18:22:22 2011 (r216924)
+++ head/sys/dev/ae/if_ae.c Mon Jan 3 18:28:30 2011 (r216925)
@@ -124,10 +124,10 @@ static int ae_resume(device_t dev);
static unsigned int ae_tx_avail_size(ae_softc_t *sc);
static int ae_encap(ae_softc_t *sc, struct mbuf **m_head);
static void ae_start(struct ifnet *ifp);
+static void ae_start_locked(struct ifnet *ifp);
static void ae_link_task(void *arg, int pending);
static void ae_stop_rxmac(ae_softc_t *sc);
static void ae_stop_txmac(ae_softc_t *sc);
-static void ae_tx_task(void *arg, int pending);
static void ae_mac_config(ae_softc_t *sc);
static int ae_intr(void *arg);
static void ae_int_task(void *arg, int pending);
@@ -402,7 +402,6 @@ ae_attach(device_t dev)
/*
* Create and run all helper tasks.
*/
- TASK_INIT(&sc->tx_task, 1, ae_tx_task, ifp);
sc->tq = taskqueue_create_fast("ae_taskq", M_WAITOK,
taskqueue_thread_enqueue, &sc->tq);
if (sc->tq == NULL) {
@@ -763,7 +762,6 @@ ae_detach(device_t dev)
AE_UNLOCK(sc);
callout_drain(&sc->tick_ch);
taskqueue_drain(sc->tq, &sc->int_task);
- taskqueue_drain(sc->tq, &sc->tx_task);
taskqueue_drain(taskqueue_swi, &sc->link_task);
ether_ifdetach(ifp);
}
@@ -1518,23 +1516,32 @@ static void
ae_start(struct ifnet *ifp)
{
ae_softc_t *sc;
+
+ sc = ifp->if_softc;
+ AE_LOCK(sc);
+ ae_start_locked(ifp);
+ AE_UNLOCK(sc);
+}
+
+static void
+ae_start_locked(struct ifnet *ifp)
+{
+ ae_softc_t *sc;
unsigned int count;
struct mbuf *m0;
int error;
sc = ifp->if_softc;
KASSERT(sc != NULL, ("[ae, %d]: sc is NULL", __LINE__));
- AE_LOCK(sc);
+ AE_LOCK_ASSERT(sc);
#ifdef AE_DEBUG
if_printf(ifp, "Start called.\n");
#endif
if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
- IFF_DRV_RUNNING || (sc->flags & AE_FLAG_LINK) == 0) {
- AE_UNLOCK(sc);
+ IFF_DRV_RUNNING || (sc->flags & AE_FLAG_LINK) == 0)
return;
- }
count = 0;
while (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) {
@@ -1570,7 +1577,6 @@ ae_start(struct ifnet *ifp)
if_printf(ifp, "Tx pos now is %d.\n", sc->txd_cur);
#endif
}
- AE_UNLOCK(sc);
}
static void
@@ -1704,15 +1710,6 @@ ae_stop_txmac(ae_softc_t *sc)
}
static void
-ae_tx_task(void *arg, int pending)
-{
- struct ifnet *ifp;
-
- ifp = (struct ifnet *)arg;
- ae_start(ifp);
-}
-
-static void
ae_mac_config(ae_softc_t *sc)
{
struct mii_data *mii;
@@ -1869,7 +1866,7 @@ ae_tx_intr(ae_softc_t *sc)
if ((sc->flags & AE_FLAG_TXAVAIL) != 0) {
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue(sc->tq, &sc->tx_task);
+ ae_start_locked(ifp);
}
/*
@@ -1997,7 +1994,7 @@ ae_watchdog(ae_softc_t *sc)
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
ae_init_locked(sc);
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue(sc->tq, &sc->tx_task);
+ ae_start_locked(ifp);
}
static void
Modified: head/sys/dev/ae/if_aevar.h
==============================================================================
--- head/sys/dev/ae/if_aevar.h Mon Jan 3 18:22:22 2011 (r216924)
+++ head/sys/dev/ae/if_aevar.h Mon Jan 3 18:28:30 2011 (r216925)
@@ -119,7 +119,6 @@ typedef struct ae_softc {
/* Tasks. */
struct task int_task;
- struct task tx_task;
struct task link_task;
struct taskqueue *tq;
Modified: head/sys/dev/age/if_age.c
==============================================================================
--- head/sys/dev/age/if_age.c Mon Jan 3 18:22:22 2011 (r216924)
+++ head/sys/dev/age/if_age.c Mon Jan 3 18:28:30 2011 (r216925)
@@ -118,8 +118,8 @@ static void age_setwol(struct age_softc
static int age_suspend(device_t);
static int age_resume(device_t);
static int age_encap(struct age_softc *, struct mbuf **);
-static void age_tx_task(void *, int);
static void age_start(struct ifnet *);
+static void age_start_locked(struct ifnet *);
static void age_watchdog(struct age_softc *);
static int age_ioctl(struct ifnet *, u_long, caddr_t);
static void age_mac_config(struct age_softc *);
@@ -636,7 +636,6 @@ age_attach(device_t dev)
ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
/* Create local taskq. */
- TASK_INIT(&sc->age_tx_task, 1, age_tx_task, ifp);
sc->age_tq = taskqueue_create_fast("age_taskq", M_WAITOK,
taskqueue_thread_enqueue, &sc->age_tq);
if (sc->age_tq == NULL) {
@@ -693,7 +692,6 @@ age_detach(device_t dev)
AGE_UNLOCK(sc);
callout_drain(&sc->age_tick_ch);
taskqueue_drain(sc->age_tq, &sc->age_int_task);
- taskqueue_drain(sc->age_tq, &sc->age_tx_task);
taskqueue_drain(taskqueue_swi, &sc->age_link_task);
ether_ifdetach(ifp);
}
@@ -1706,16 +1704,18 @@ age_encap(struct age_softc *sc, struct m
}
static void
-age_tx_task(void *arg, int pending)
+age_start(struct ifnet *ifp)
{
- struct ifnet *ifp;
+ struct age_softc *sc;
- ifp = (struct ifnet *)arg;
- age_start(ifp);
+ sc = ifp->if_softc;
+ AGE_LOCK(sc);
+ age_start_locked(ifp);
+ AGE_UNLOCK(sc);
}
static void
-age_start(struct ifnet *ifp)
+age_start_locked(struct ifnet *ifp)
{
struct age_softc *sc;
struct mbuf *m_head;
@@ -1723,13 +1723,11 @@ age_start(struct ifnet *ifp)
sc = ifp->if_softc;
- AGE_LOCK(sc);
+ AGE_LOCK_ASSERT(sc);
if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
- IFF_DRV_RUNNING || (sc->age_flags & AGE_FLAG_LINK) == 0) {
- AGE_UNLOCK(sc);
+ IFF_DRV_RUNNING || (sc->age_flags & AGE_FLAG_LINK) == 0)
return;
- }
for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd); ) {
IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head);
@@ -1788,7 +1786,7 @@ age_watchdog(struct age_softc *sc)
if_printf(sc->age_ifp,
"watchdog timeout (missed Tx interrupts) -- recovering\n");
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue(sc->age_tq, &sc->age_tx_task);
+ age_start_locked(ifp);
return;
}
if_printf(sc->age_ifp, "watchdog timeout\n");
@@ -1796,7 +1794,7 @@ age_watchdog(struct age_softc *sc)
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
age_init_locked(sc);
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue(sc->age_tq, &sc->age_tx_task);
+ age_start_locked(ifp);
}
static int
@@ -2172,7 +2170,7 @@ age_int_task(void *arg, int pending)
age_init_locked(sc);
}
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue(sc->age_tq, &sc->age_tx_task);
+ age_start_locked(ifp);
if ((status & INTR_SMB) != 0)
age_stats_update(sc);
}
Modified: head/sys/dev/age/if_agevar.h
==============================================================================
--- head/sys/dev/age/if_agevar.h Mon Jan 3 18:22:22 2011
(r216924)
+++ head/sys/dev/age/if_agevar.h Mon Jan 3 18:28:30 2011
(r216925)
@@ -222,7 +222,6 @@ struct age_softc {
int age_tpd_cons;
struct task age_int_task;
- struct task age_tx_task;
struct task age_link_task;
struct taskqueue *age_tq;
struct mtx age_mtx;
Modified: head/sys/dev/alc/if_alc.c
==============================================================================
--- head/sys/dev/alc/if_alc.c Mon Jan 3 18:22:22 2011 (r216924)
+++ head/sys/dev/alc/if_alc.c Mon Jan 3 18:28:30 2011 (r216925)
@@ -159,6 +159,7 @@ static void alc_setlinkspeed(struct alc_
static void alc_setwol(struct alc_softc *);
static int alc_shutdown(device_t);
static void alc_start(struct ifnet *);
+static void alc_start_locked(struct ifnet *);
static void alc_start_queue(struct alc_softc *);
static void alc_stats_clear(struct alc_softc *);
static void alc_stats_update(struct alc_softc *);
@@ -168,7 +169,6 @@ static void alc_stop_queue(struct alc_so
static int alc_suspend(device_t);
static void alc_sysctl_node(struct alc_softc *);
static void alc_tick(void *);
-static void alc_tx_task(void *, int);
static void alc_txeof(struct alc_softc *);
static void alc_watchdog(struct alc_softc *);
static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int, int);
@@ -1002,7 +1002,6 @@ alc_attach(device_t dev)
ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
/* Create local taskq. */
- TASK_INIT(&sc->alc_tx_task, 1, alc_tx_task, ifp);
sc->alc_tq = taskqueue_create_fast("alc_taskq", M_WAITOK,
taskqueue_thread_enqueue, &sc->alc_tq);
if (sc->alc_tq == NULL) {
@@ -1059,7 +1058,6 @@ alc_detach(device_t dev)
ALC_UNLOCK(sc);
callout_drain(&sc->alc_tick_ch);
taskqueue_drain(sc->alc_tq, &sc->alc_int_task);
- taskqueue_drain(sc->alc_tq, &sc->alc_tx_task);
ether_ifdetach(ifp);
}
@@ -2237,16 +2235,18 @@ alc_encap(struct alc_softc *sc, struct m
}
static void
-alc_tx_task(void *arg, int pending)
+alc_start(struct ifnet *ifp)
{
- struct ifnet *ifp;
+ struct alc_softc *sc;
- ifp = (struct ifnet *)arg;
- alc_start(ifp);
+ sc = ifp->if_softc;
+ ALC_LOCK(sc);
+ alc_start_locked(ifp);
+ ALC_UNLOCK(sc);
}
static void
-alc_start(struct ifnet *ifp)
+alc_start_locked(struct ifnet *ifp)
{
struct alc_softc *sc;
struct mbuf *m_head;
@@ -2254,17 +2254,15 @@ alc_start(struct ifnet *ifp)
sc = ifp->if_softc;
- ALC_LOCK(sc);
+ ALC_LOCK_ASSERT(sc);
/* Reclaim transmitted frames. */
if (sc->alc_cdata.alc_tx_cnt >= ALC_TX_DESC_HIWAT)
alc_txeof(sc);
if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
- IFF_DRV_RUNNING || (sc->alc_flags & ALC_FLAG_LINK) == 0) {
- ALC_UNLOCK(sc);
+ IFF_DRV_RUNNING || (sc->alc_flags & ALC_FLAG_LINK) == 0)
return;
- }
for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd); ) {
IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head);
@@ -2303,8 +2301,6 @@ alc_start(struct ifnet *ifp)
/* Set a timeout in case the chip goes out to lunch. */
sc->alc_watchdog_timer = ALC_TX_TIMEOUT;
}
-
- ALC_UNLOCK(sc);
}
static void
@@ -2330,7 +2326,7 @@ alc_watchdog(struct alc_softc *sc)
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
alc_init_locked(sc);
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue(sc->alc_tq, &sc->alc_tx_task);
+ alc_start_locked(ifp);
}
static int
@@ -2710,7 +2706,7 @@ alc_int_task(void *arg, int pending)
}
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue(sc->alc_tq, &sc->alc_tx_task);
+ alc_start_locked(ifp);
}
if (more == EAGAIN ||
Modified: head/sys/dev/alc/if_alcvar.h
==============================================================================
--- head/sys/dev/alc/if_alcvar.h Mon Jan 3 18:22:22 2011
(r216924)
+++ head/sys/dev/alc/if_alcvar.h Mon Jan 3 18:28:30 2011
(r216925)
@@ -246,7 +246,6 @@ struct alc_softc {
int alc_buf_size;
struct task alc_int_task;
- struct task alc_tx_task;
struct taskqueue *alc_tq;
struct mtx alc_mtx;
};
Modified: head/sys/dev/ale/if_ale.c
==============================================================================
--- head/sys/dev/ale/if_ale.c Mon Jan 3 18:22:22 2011 (r216924)
+++ head/sys/dev/ale/if_ale.c Mon Jan 3 18:28:30 2011 (r216925)
@@ -136,6 +136,7 @@ static void ale_setlinkspeed(struct ale_
static void ale_setwol(struct ale_softc *);
static int ale_shutdown(device_t);
static void ale_start(struct ifnet *);
+static void ale_start_locked(struct ifnet *);
static void ale_stats_clear(struct ale_softc *);
static void ale_stats_update(struct ale_softc *);
static void ale_stop(struct ale_softc *);
@@ -143,7 +144,6 @@ static void ale_stop_mac(struct ale_soft
static int ale_suspend(device_t);
static void ale_sysctl_node(struct ale_softc *);
static void ale_tick(void *);
-static void ale_tx_task(void *, int);
static void ale_txeof(struct ale_softc *);
static void ale_watchdog(struct ale_softc *);
static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int, int);
@@ -625,7 +625,6 @@ ale_attach(device_t dev)
ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
/* Create local taskq. */
- TASK_INIT(&sc->ale_tx_task, 1, ale_tx_task, ifp);
sc->ale_tq = taskqueue_create_fast("ale_taskq", M_WAITOK,
taskqueue_thread_enqueue, &sc->ale_tq);
if (sc->ale_tq == NULL) {
@@ -682,7 +681,6 @@ ale_detach(device_t dev)
ALE_UNLOCK(sc);
callout_drain(&sc->ale_tick_ch);
taskqueue_drain(sc->ale_tq, &sc->ale_int_task);
- taskqueue_drain(sc->ale_tq, &sc->ale_tx_task);
taskqueue_drain(taskqueue_swi, &sc->ale_link_task);
ether_ifdetach(ifp);
}
@@ -1845,16 +1843,18 @@ ale_encap(struct ale_softc *sc, struct m
}
static void
-ale_tx_task(void *arg, int pending)
+ale_start(struct ifnet *ifp)
{
- struct ifnet *ifp;
+ struct ale_softc *sc;
- ifp = (struct ifnet *)arg;
- ale_start(ifp);
+ sc = ifp->if_softc;
+ ALE_LOCK(sc);
+ ale_start_locked(ifp);
+ ALE_UNLOCK(sc);
}
static void
-ale_start(struct ifnet *ifp)
+ale_start_locked(struct ifnet *ifp)
{
struct ale_softc *sc;
struct mbuf *m_head;
@@ -1862,17 +1862,15 @@ ale_start(struct ifnet *ifp)
sc = ifp->if_softc;
- ALE_LOCK(sc);
+ ALE_LOCK_ASSERT(sc);
/* Reclaim transmitted frames. */
if (sc->ale_cdata.ale_tx_cnt >= ALE_TX_DESC_HIWAT)
ale_txeof(sc);
if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
- IFF_DRV_RUNNING || (sc->ale_flags & ALE_FLAG_LINK) == 0) {
- ALE_UNLOCK(sc);
+ IFF_DRV_RUNNING || (sc->ale_flags & ALE_FLAG_LINK) == 0)
return;
- }
for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd); ) {
IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head);
@@ -1933,7 +1931,7 @@ ale_watchdog(struct ale_softc *sc)
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
ale_init_locked(sc);
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue(sc->ale_tq, &sc->ale_tx_task);
+ ale_start_locked(ifp);
}
static int
@@ -2320,7 +2318,7 @@ ale_int_task(void *arg, int pending)
return;
}
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue(sc->ale_tq, &sc->ale_tx_task);
+ ale_start_locked(ifp);
}
if (more == EAGAIN ||
Modified: head/sys/dev/ale/if_alevar.h
==============================================================================
--- head/sys/dev/ale/if_alevar.h Mon Jan 3 18:22:22 2011
(r216924)
+++ head/sys/dev/ale/if_alevar.h Mon Jan 3 18:28:30 2011
(r216925)
@@ -222,7 +222,6 @@ struct ale_softc {
int ale_pagesize;
struct task ale_int_task;
- struct task ale_tx_task;
struct task ale_link_task;
struct taskqueue *ale_tq;
struct mtx ale_mtx;
Modified: head/sys/dev/nfe/if_nfe.c
==============================================================================
--- head/sys/dev/nfe/if_nfe.c Mon Jan 3 18:22:22 2011 (r216924)
+++ head/sys/dev/nfe/if_nfe.c Mon Jan 3 18:28:30 2011 (r216925)
@@ -99,8 +99,8 @@ static int nfe_jrxeof(struct nfe_softc
static void nfe_txeof(struct nfe_softc *);
static int nfe_encap(struct nfe_softc *, struct mbuf **);
static void nfe_setmulti(struct nfe_softc *);
-static void nfe_tx_task(void *, int);
static void nfe_start(struct ifnet *);
+static void nfe_start_locked(struct ifnet *);
static void nfe_watchdog(struct ifnet *);
static void nfe_init(void *);
static void nfe_init_locked(void *);
@@ -553,7 +553,6 @@ nfe_attach(device_t dev)
error = ENOSPC;
goto fail;
}
- TASK_INIT(&sc->nfe_tx_task, 1, nfe_tx_task, ifp);
/*
* Allocate Tx and Rx rings.
@@ -679,7 +678,6 @@ nfe_detach(device_t dev)
ifp->if_flags &= ~IFF_UP;
NFE_UNLOCK(sc);
callout_drain(&sc->nfe_stat_ch);
- taskqueue_drain(taskqueue_fast, &sc->nfe_tx_task);
ether_ifdetach(ifp);
}
@@ -1631,7 +1629,7 @@ nfe_poll(struct ifnet *ifp, enum poll_cm
rx_npkts = nfe_rxeof(sc, count, &rx_npkts);
nfe_txeof(sc);
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue_fast(sc->nfe_tq, &sc->nfe_tx_task);
+ nfe_start_locked(ifp);
if (cmd == POLL_AND_CHECK_STATUS) {
if ((r = NFE_READ(sc, sc->nfe_irq_status)) == 0) {
@@ -1903,7 +1901,7 @@ nfe_int_task(void *arg, int pending)
nfe_txeof(sc);
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue_fast(sc->nfe_tq, &sc->nfe_tx_task);
+ nfe_start_locked(ifp);
NFE_UNLOCK(sc);
@@ -2599,29 +2597,27 @@ done:
static void
-nfe_tx_task(void *arg, int pending)
+nfe_start(struct ifnet *ifp)
{
- struct ifnet *ifp;
+ struct nfe_softc *sc = ifp->if_softc;
- ifp = (struct ifnet *)arg;
- nfe_start(ifp);
+ NFE_LOCK(sc);
+ nfe_start_locked(ifp);
+ NFE_UNLOCK(sc);
}
-
static void
-nfe_start(struct ifnet *ifp)
+nfe_start_locked(struct ifnet *ifp)
{
struct nfe_softc *sc = ifp->if_softc;
struct mbuf *m0;
int enq;
- NFE_LOCK(sc);
+ NFE_LOCK_ASSERT(sc);
if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
- IFF_DRV_RUNNING || sc->nfe_link == 0) {
- NFE_UNLOCK(sc);
+ IFF_DRV_RUNNING || sc->nfe_link == 0)
return;
- }
for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd);) {
IFQ_DRV_DEQUEUE(&ifp->if_snd, m0);
@@ -2651,8 +2647,6 @@ nfe_start(struct ifnet *ifp)
*/
sc->nfe_watchdog_timer = 5;
}
-
- NFE_UNLOCK(sc);
}
@@ -2670,7 +2664,7 @@ nfe_watchdog(struct ifnet *ifp)
if_printf(ifp, "watchdog timeout (missed Tx interrupts) "
"-- recovering\n");
if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
- taskqueue_enqueue_fast(sc->nfe_tq, &sc->nfe_tx_task);
+ nfe_start_locked(ifp);
return;
}
/* Check if we've lost start Tx command. */
Modified: head/sys/dev/nfe/if_nfevar.h
==============================================================================
--- head/sys/dev/nfe/if_nfevar.h Mon Jan 3 18:22:22 2011
(r216924)
+++ head/sys/dev/nfe/if_nfevar.h Mon Jan 3 18:28:30 2011
(r216925)
@@ -139,7 +139,6 @@ struct nfe_softc {
struct nfe_hw_stats nfe_stats;
struct taskqueue *nfe_tq;
struct task nfe_int_task;
- struct task nfe_tx_task;
int nfe_link;
int nfe_suspended;
int nfe_framesize;
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