sdk_dpaa: Port to RTEMS

Update #3277.

rtemsbsd/include/bsp/nexus-devices.h

@@ -146,6 +146,12 @@ RTEMS_BSD_DRIVER_REPHY;
 
 #include <bsp/irq.h>
 
+#ifdef QORIQ_IS_HYPERVISOR_GUEST
+
+RTEMS_BSD_DEFINE_NEXUS_DEVICE(dpaa_ml, 0, 0, NULL);
+
+#else /* !QORIQ_IS_HYPERVISOR_GUEST */
+
 RTEMS_BSD_DEFINE_NEXUS_DEVICE(fman, 0, 0, NULL);
 RTEMS_BSD_DEFINE_NEXUS_DEVICE(fman, 1, 0, NULL);
 
@@ -153,6 +159,8 @@ SYSINIT_DRIVER_REFERENCE(fman_mac, fman);
 SYSINIT_DRIVER_REFERENCE(fman_port, fman_mac);
 SYSINIT_DRIVER_REFERENCE(ukphy, miibus);
 
+#endif /* QORIQ_IS_HYPERVISOR_GUEST */
+
 #else /* QORIQ_CHIP_IS_T_VARIANT(QORIQ_CHIP_VARIANT) */
 
 #include <bsp/irq.h>

rtemsbsd/powerpc/include/linux/fsl_bman.h

@@ -0,0 +1 @@
+#include <soc/fsl/bman.h>

rtemsbsd/powerpc/include/linux/fsl_qman.h

@@ -0,0 +1 @@
+#include <soc/fsl/qman.h>

rtemsbsd/sys/powerpc/drivers/net/ethernet/freescale/sdk_dpaa/if_ml.c

@@ -0,0 +1,208 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+#include <rtems/bsd/local/opt_dpaa.h>
+
+/*
+ * Copyright (c) 2018 embedded brains GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <machine/rtems-bsd-kernel-space.h>
+
+#include <linux/kernel.h>
+
+#include "../../../../../../../../linux/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth.h"
+
+#include <soc/fsl/bman.h>
+
+#include <sys/bus.h>
+#include <sys/callout.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/mbuf.h>
+#include <sys/module.h>
+#include <sys/queue.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+
+#include <net/if.h>
+#include <net/ethernet.h>
+#include <net/if_arp.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+#include <net/if_var.h>
+
+#define	IF_ML_LOCK(sc) mtx_lock(&(sc)->mtx)
+#define	IF_ML_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
+
+static void
+if_ml_start(struct ifnet *ifp)
+{
+	struct if_ml_softc *sc;
+	struct dpaa_priv *priv;
+	int queue;
+	struct dpaa_bp *bp;
+	struct qman_fq *egress_fq;
+
+	sc = ifp->if_softc;
+	priv = netdev_priv(&sc->net_dev);
+	queue = 0;
+	bp = priv->dpaa_bps[queue];
+	egress_fq = priv->egress_fqs[queue];
+
+	for (;;) {
+		struct mbuf *m;
+		struct bm_buffer bmb;
+		struct qm_fd fd;
+		uintptr_t buf_addr;
+		char *dst;
+		int len;
+		int err;
+		int i;
+
+		IF_DEQUEUE(&ifp->if_snd, m);
+		if (m == NULL)
+			break;
+
+		err = bman_acquire(bp->pool, &bmb, 1);
+		if (unlikely(err <= 0)) {
+			if_inc_counter(ifp, IFCOUNTER_OQDROPS, 1);
+			m_freem(m);
+			continue;
+		}
+
+		qm_fd_clear_fd(&fd);
+		len = m->m_pkthdr.len;
+		qm_fd_set_contig(&fd, priv->tx_headroom, len);
+		fd.bpid = bp->bpid;
+		buf_addr = bm_buf_addr(&bmb);
+		qm_fd_addr_set64(&fd, buf_addr);
+		dst = (char *)(buf_addr + priv->tx_headroom);
+
+		do {
+			len = m->m_len;
+			dst = memcpy(dst, mtod(m, const void *), len);
+			dst += len;
+			m = m_free(m);
+		} while (m != NULL);
+
+		for (i = 0; i < DPAA_ENQUEUE_RETRIES; ++i) {
+			err = qman_enqueue(egress_fq, &fd);
+			if (err != -EBUSY) {
+				break;
+			}
+		}
+
+		if (unlikely(err < 0)) {
+			if_inc_counter(ifp, IFCOUNTER_OQDROPS, 1);
+			continue;
+		}
+	}
+}
+
+static void
+if_ml_init_locked(struct if_ml_softc* sc_p)
+{
+	struct ifnet *ifp;
+
+	ifp = sc_p->ifp;
+	if (ifp->if_drv_flags & IFF_DRV_RUNNING)
+		return;
+
+	ifp->if_drv_flags |= IFF_DRV_RUNNING;
+}
+
+static void
+if_ml_stop_locked(struct if_ml_softc* sc_p)
+{
+}
+
+static int
+if_ml_ioctl(struct ifnet* ifp, ioctl_command_t cmd, caddr_t data)
+{
+	struct if_ml_softc *sc;
+	int error;
+
+	sc = ifp->if_softc;
+
+	switch (cmd) {
+	case SIOCSIFFLAGS:
+		IF_ML_LOCK(sc);
+		if (ifp->if_flags & IFF_UP) {
+			if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
+				if_ml_init_locked(sc);
+		} else {
+			if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
+				if_ml_stop_locked(sc);
+		}
+		IF_ML_UNLOCK(sc);
+		error = 0;
+		break;
+
+	default:
+		error = ether_ioctl(ifp, cmd, data);
+		break;
+	}
+
+	return error;
+}
+
+static void
+if_ml_init(void* arg)
+{
+	struct if_ml_softc *sc;
+
+	sc = arg;
+	IF_ML_LOCK(sc);
+	if_ml_init_locked(sc);
+	IF_ML_UNLOCK(sc);
+}
+
+void
+if_ml_attach(struct if_ml_softc *sc, int unit, const uint8_t *mac_address)
+{
+	struct ifnet *ifp;
+
+	BSD_ASSERT(mac_address != NULL);
+
+	sc->ifp = ifp = if_alloc(IFT_ETHER);
+	BSD_ASSERT(ifp != NULL);
+
+	sc->net_dev.ifp = ifp;
+
+	mtx_init(&sc->mtx, "if_ml", MTX_NETWORK_LOCK, MTX_DEF);
+
+	ifp->if_softc = sc;
+	if_initname(ifp, "ml", unit);
+	ifp->if_flags = IFF_SIMPLEX | IFF_MULTICAST | IFF_BROADCAST;
+	ifp->if_start = if_ml_start;
+	ifp->if_ioctl = if_ml_ioctl;
+	ifp->if_init = if_ml_init;
+	IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
+	ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
+	IFQ_SET_READY(&ifp->if_snd);
+
+	ether_ifattach(ifp, mac_address);
+}