The TileGx mPIPE hardware provides Ethernet connectivity,
packet classification, and packet load balancing services.
Signed-off-by: Zhigang Lu <zlu at ezchip.com>
Signed-off-by: Cyril Chemparathy <cchemparathy at ezchip.com>
---
.../common/include/arch/tile/rte_mpipe.h | 67 ++++++++++
lib/librte_eal/linuxapp/eal/Makefile | 3 +
lib/librte_eal/linuxapp/eal/eal.c | 9 ++
lib/librte_eal/linuxapp/eal/eal_mpipe_tile.c | 147 +++++++++++++++++++++
mk/rte.app.mk | 4 +
5 files changed, 230 insertions(+)
create mode 100644 lib/librte_eal/common/include/arch/tile/rte_mpipe.h
create mode 100644 lib/librte_eal/linuxapp/eal/eal_mpipe_tile.c
diff --git a/lib/librte_eal/common/include/arch/tile/rte_mpipe.h
b/lib/librte_eal/common/include/arch/tile/rte_mpipe.h
new file mode 100644
index 0000000..11b6485
--- /dev/null
+++ b/lib/librte_eal/common/include/arch/tile/rte_mpipe.h
@@ -0,0 +1,67 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2014 Tilera Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of Tilera Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 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.
+ */
+
+#ifndef _RTE_TILE_MPIPE_H_
+#define _RTE_TILE_MPIPE_H_
+
+#define ARCH_ATOMIC_NO_NICKNAMES
+
+#include <gxio/mpipe.h>
+#include <arch/mpipe_xaui_def.h>
+#include <arch/mpipe_gbe_def.h>
+
+#define BSM_ALIGN_SIZE 128
+
+struct rte_eal_mpipe_channel_config {
+ int enable;
+ int first_bucket;
+ int num_buckets;
+ int headroom;
+ gxio_mpipe_rules_stacks_t stacks;
+};
+
+#define __bsm_aligned __attribute__((__aligned__(BSM_ALIGN_SIZE)))
+
+extern int rte_eal_mpipe_instances;
+
+extern int
+rte_eal_mpipe_init(void);
+
+extern gxio_mpipe_context_t *
+rte_eal_mpipe_context(int instance);
+
+extern int
+rte_eal_mpipe_channel_config(int instance, int channel,
+ struct rte_eal_mpipe_channel_config *config);
+
+#endif /* _RTE_TILE_MPIPE_H_ */
diff --git a/lib/librte_eal/linuxapp/eal/Makefile
b/lib/librte_eal/linuxapp/eal/Makefile
index 72ecf3a..99536b6 100644
--- a/lib/librte_eal/linuxapp/eal/Makefile
+++ b/lib/librte_eal/linuxapp/eal/Makefile
@@ -70,6 +70,9 @@ SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_alarm.c
ifeq ($(CONFIG_RTE_LIBRTE_IVSHMEM),y)
SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_ivshmem.c
endif
+ifeq ($(CONFIG_RTE_ARCH),"tile")
+SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_mpipe_tile.c
+endif
# from common dir
SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_memzone.c
diff --git a/lib/librte_eal/linuxapp/eal/eal.c
b/lib/librte_eal/linuxapp/eal/eal.c
index 89f3b5e..c97a090 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -78,6 +78,10 @@
#include <malloc_heap.h>
#include <rte_eth_ring.h>
+#ifdef RTE_ARCH_TILE
+#include <rte_mpipe.h>
+#endif
+
#include "eal_private.h"
#include "eal_thread.h"
#include "eal_internal_cfg.h"
@@ -755,6 +759,11 @@ rte_eal_init(int argc, char **argv)
if (rte_eal_pci_init() < 0)
rte_panic("Cannot init PCI\n");
+#ifdef RTE_ARCH_TILE
+ if (rte_eal_mpipe_init() < 0)
+ rte_panic("Cannot init mPIPE\n");
+#endif
+
#ifdef RTE_LIBRTE_IVSHMEM
if (rte_eal_ivshmem_init() < 0)
rte_panic("Cannot init IVSHMEM\n");
diff --git a/lib/librte_eal/linuxapp/eal/eal_mpipe_tile.c
b/lib/librte_eal/linuxapp/eal/eal_mpipe_tile.c
new file mode 100644
index 0000000..7b0f94b
--- /dev/null
+++ b/lib/librte_eal/linuxapp/eal/eal_mpipe_tile.c
@@ -0,0 +1,147 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2014 Tilera Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of Tilera Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 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 <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <sys/mman.h>
+#include <sys/queue.h>
+#include <pthread.h>
+#include <errno.h>
+
+#include <rte_common.h>
+#include <rte_log.h>
+#include <rte_cycles.h>
+#include <rte_tailq.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_spinlock.h>
+#include <rte_eal.h>
+#include <rte_debug.h>
+
+#include <rte_mpipe.h>
+
+#include "eal_private.h"
+#include "eal_internal_cfg.h"
+
+#define MPIPE_MAX_CHANNELS 128
+
+struct rte_eal_mpipe_context {
+ rte_spinlock_t lock;
+ gxio_mpipe_context_t context;
+ struct rte_eal_mpipe_channel_config channels[MPIPE_MAX_CHANNELS];
+};
+
+struct rte_eal_mpipe_context rte_eal_mpipe_contexts[GXIO_MPIPE_INSTANCE_MAX];
+int rte_eal_mpipe_instances;
+
+int
+rte_eal_mpipe_init(void)
+{
+ struct rte_eal_mpipe_context *context;
+ int rc, instance;
+
+ for (instance = 0; instance < GXIO_MPIPE_INSTANCE_MAX; instance++) {
+ context = &rte_eal_mpipe_contexts[instance];
+
+ rte_spinlock_init(&context->lock);
+ rc = gxio_mpipe_init(&context->context,
+ instance);
+ if (rc < 0)
+ break;
+ }
+
+ rte_eal_mpipe_instances = instance;
+
+ return instance ? 0 : -ENODEV;
+}
+
+gxio_mpipe_context_t *
+rte_eal_mpipe_context(int instance)
+{
+ if (instance < 0 || instance >= rte_eal_mpipe_instances)
+ return NULL;
+ return &rte_eal_mpipe_contexts[instance].context;
+}
+
+int
+rte_eal_mpipe_channel_config(int instance, int channel,
+ struct rte_eal_mpipe_channel_config *config)
+{
+ struct rte_eal_mpipe_channel_config *data;
+ struct rte_eal_mpipe_context *context;
+ gxio_mpipe_rules_t rules;
+ int idx, rc = 0;
+
+ if (instance < 0 || instance >= rte_eal_mpipe_instances ||
+ channel < 0 || channel >= MPIPE_MAX_CHANNELS)
+ return -EINVAL;
+
+ context = &rte_eal_mpipe_contexts[instance];
+
+ rte_spinlock_lock(&context->lock);
+
+ gxio_mpipe_rules_init(&rules, &context->context);
+
+ for (idx = 0; idx < MPIPE_MAX_CHANNELS; idx++) {
+ data = (channel == idx) ? config : &context->channels[idx];
+
+ if (!data->enable)
+ continue;
+
+ rc = gxio_mpipe_rules_begin(&rules, data->first_bucket,
+ data->num_buckets, &data->stacks);
+ if (rc < 0)
+ goto done;
+
+ rc = gxio_mpipe_rules_add_channel(&rules, idx);
+ if (rc < 0)
+ goto done;
+
+ rc = gxio_mpipe_rules_set_headroom(&rules, data->headroom);
+ if (rc < 0)
+ goto done;
+ }
+
+ rc = gxio_mpipe_rules_commit(&rules);
+ if (rc == 0)
+ memcpy(&context->channels[channel], config, sizeof(*config));
+
+done:
+ rte_spinlock_unlock(&context->lock);
+
+ return rc;
+}
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 84ec4df..565aa77 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -170,6 +170,10 @@ LDLIBS += -lrte_pmd_xenvirt
LDLIBS += -lxenstore
endif
+ifeq ($(CONFIG_RTE_ARCH),"tile")
+LDLIBS += -lgxio
+endif
+
ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),n)
# plugins (link only if static libraries)
--
2.1.2
