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authorLuiz Otavio O Souza <loos@FreeBSD.org>2021-08-25 09:07:44 +0000
committerKristof Provost <kp@FreeBSD.org>2021-08-26 09:23:44 +0000
commiteb680a63de1dbf5c974f483975dcb2c60ec6fa08 (patch)
tree85f2cddba3c6cd564e8e43cc19a360e5d33bf282 /sys/net/if_bridge.c
parentcd46399b9ccf04f6ec00a532e52c8b1edb007af7 (diff)
downloadsrc-eb680a63de1dbf5c974f483975dcb2c60ec6fa08.tar.gz
src-eb680a63de1dbf5c974f483975dcb2c60ec6fa08.zip
if_bridge: add ALTQ support
Similar to the recent addition of ALTQ support to if_vlan. Reviewed by: donner Obtained from: pfsense MFC after: 1 week Sponsored by: Rubicon Communications, LLC ("Netgate") Differential Revision: https://reviews.freebsd.org/D31675
Diffstat (limited to 'sys/net/if_bridge.c')
-rw-r--r--sys/net/if_bridge.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/sys/net/if_bridge.c b/sys/net/if_bridge.c
index adf1c9155ee1..703a76086c55 100644
--- a/sys/net/if_bridge.c
+++ b/sys/net/if_bridge.c
@@ -298,6 +298,10 @@ static void bridge_init(void *);
static void bridge_dummynet(struct mbuf *, struct ifnet *);
static void bridge_stop(struct ifnet *, int);
static int bridge_transmit(struct ifnet *, struct mbuf *);
+#ifdef ALTQ
+static void bridge_altq_start(if_t);
+static int bridge_altq_transmit(if_t, struct mbuf *);
+#endif
static void bridge_qflush(struct ifnet *);
static struct mbuf *bridge_input(struct ifnet *, struct mbuf *);
static int bridge_output(struct ifnet *, struct mbuf *, struct sockaddr *,
@@ -726,7 +730,15 @@ bridge_clone_create(struct if_clone *ifc, int unit, caddr_t params)
if_initname(ifp, bridge_name, unit);
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_ioctl = bridge_ioctl;
+#ifdef ALTQ
+ ifp->if_start = bridge_altq_start;
+ ifp->if_transmit = bridge_altq_transmit;
+ IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
+ ifp->if_snd.ifq_drv_maxlen = 0;
+ IFQ_SET_READY(&ifp->if_snd);
+#else
ifp->if_transmit = bridge_transmit;
+#endif
ifp->if_qflush = bridge_qflush;
ifp->if_init = bridge_init;
ifp->if_type = IFT_BRIDGE;
@@ -798,6 +810,9 @@ bridge_clone_destroy(struct ifnet *ifp)
BRIDGE_LIST_UNLOCK();
bstp_detach(&sc->sc_stp);
+#ifdef ALTQ
+ IFQ_PURGE(&ifp->if_snd);
+#endif
NET_EPOCH_EXIT(et);
ether_ifdetach(ifp);
@@ -2219,6 +2234,38 @@ bridge_transmit(struct ifnet *ifp, struct mbuf *m)
return (error);
}
+#ifdef ALTQ
+static void
+bridge_altq_start(if_t ifp)
+{
+ struct ifaltq *ifq = &ifp->if_snd;
+ struct mbuf *m;
+
+ IFQ_LOCK(ifq);
+ IFQ_DEQUEUE_NOLOCK(ifq, m);
+ while (m != NULL) {
+ bridge_transmit(ifp, m);
+ IFQ_DEQUEUE_NOLOCK(ifq, m);
+ }
+ IFQ_UNLOCK(ifq);
+}
+
+static int
+bridge_altq_transmit(if_t ifp, struct mbuf *m)
+{
+ int err;
+
+ if (ALTQ_IS_ENABLED(&ifp->if_snd)) {
+ IFQ_ENQUEUE(&ifp->if_snd, m, err);
+ if (err == 0)
+ bridge_altq_start(ifp);
+ } else
+ err = bridge_transmit(ifp, m);
+
+ return (err);
+}
+#endif /* ALTQ */
+
/*
* The ifp->if_qflush entry point for if_bridge(4) is no-op.
*/