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-rw-r--r--sys/net/if.c18
-rw-r--r--sys/net/if_var.h1
2 files changed, 12 insertions, 7 deletions
diff --git a/sys/net/if.c b/sys/net/if.c
index f271929..5c422c1 100644
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -128,7 +128,6 @@ static void if_freemulti(struct ifmultiaddr *);
static void if_grow(void);
static void if_init(void *);
static void if_check(void *);
-static void if_qflush(struct ifnet *);
static void if_route(struct ifnet *, int flag, int fam);
static int if_setflag(struct ifnet *, int, int, int *, int);
static void if_slowtimo(void *);
@@ -613,8 +612,15 @@ if_attach(struct ifnet *ifp)
getmicrotime(&ifp->if_lastchange);
ifp->if_data.ifi_epoch = time_uptime;
ifp->if_data.ifi_datalen = sizeof(struct if_data);
- ifp->if_transmit = if_transmit;
- ifp->if_qflush = if_qflush;
+ KASSERT((ifp->if_transmit == NULL && ifp->if_qflush == NULL) ||
+ (ifp->if_transmit != NULL && ifp->if_qflush != NULL),
+ ("transmit and qflush must both either be set or both be NULL"));
+
+ if (ifp->if_transmit == NULL) {
+ ifp->if_transmit = if_transmit;
+ ifp->if_qflush = if_qflush;
+ }
+
#ifdef MAC
mac_ifnet_init(ifp);
mac_ifnet_create(ifp);
@@ -1510,9 +1516,7 @@ if_unroute(struct ifnet *ifp, int flag, int fam)
if (fam == PF_UNSPEC || (fam == ifa->ifa_addr->sa_family))
pfctlinput(PRC_IFDOWN, ifa->ifa_addr);
ifp->if_qflush(ifp);
- if (ifp->if_snd.ifq_head != NULL)
- if_qflush(ifp);
-
+
#ifdef DEV_CARP
if (ifp->if_carp)
carp_carpdev_state(ifp->if_carp);
@@ -1641,7 +1645,7 @@ if_up(struct ifnet *ifp)
/*
* Flush an interface queue.
*/
-static void
+void
if_qflush(struct ifnet *ifp)
{
struct mbuf *m, *n;
diff --git a/sys/net/if_var.h b/sys/net/if_var.h
index 50846f8..4b7447d 100644
--- a/sys/net/if_var.h
+++ b/sys/net/if_var.h
@@ -757,6 +757,7 @@ void if_free_type(struct ifnet *, u_char);
void if_initname(struct ifnet *, const char *, int);
void if_link_state_change(struct ifnet *, int);
int if_printf(struct ifnet *, const char *, ...) __printflike(2, 3);
+void if_qflush(struct ifnet *);
int if_setlladdr(struct ifnet *, const u_char *, int);
void if_up(struct ifnet *);
/*void ifinit(void);*/ /* declared in systm.h for main() */
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