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path: root/sys/i386/isa/if_ar.c
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Diffstat (limited to 'sys/i386/isa/if_ar.c')
-rw-r--r--sys/i386/isa/if_ar.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/i386/isa/if_ar.c b/sys/i386/isa/if_ar.c
index f43aef1..dfbc3ac 100644
--- a/sys/i386/isa/if_ar.c
+++ b/sys/i386/isa/if_ar.c
@@ -515,6 +515,8 @@ arattach(struct ar_hardc *hc)
callout_handle_init(&sc->handle);
sc->xmitq.ifq_maxlen = IFQ_MAXLEN;
sc->xmitq_hipri.ifq_maxlen = IFQ_MAXLEN;
+ mtx_init(&sc->xmitq.ifq_mtx, "ar_xmitq", MTX_DEF);
+ mtx_init(&sc->xmitq_hipri.ifq_mtx, "ar_xmitq_hipri", MTX_DEF);
sprintf(sc->nodename, "%s%d", NG_AR_NODE_TYPE, sc->unit);
if (ng_name_node(sc->node, sc->nodename)) {
ng_rmnode(sc->node);
@@ -2308,13 +2310,16 @@ ngar_rcvdata(hook_p hook, struct mbuf *m, meta_p meta,
xmitq_p = (&sc->xmitq);
}
s = splimp();
- if (IF_QFULL(xmitq_p)) {
- IF_DROP(xmitq_p);
+ IF_LOCK(xmitq_p);
+ if (_IF_QFULL(xmitq_p)) {
+ _IF_DROP(xmitq_p);
+ IF_UNLOCK(xmitq_p);
splx(s);
error = ENOBUFS;
goto bad;
}
- IF_ENQUEUE(xmitq_p, m);
+ _IF_ENQUEUE(xmitq_p, m);
+ IF_UNLOCK(xmitq_p);
arstart(sc);
splx(s);
return (0);
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