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[54.225.227.206]) by mx.google.com with ESMTPS id w7si18877144qaj.16.2014.07.19.12.40.13 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Sat, 19 Jul 2014 12:40:13 -0700 (PDT) Received-SPF: none (google.com: lng-odp-bounces@lists.linaro.org does not designate permitted sender hosts) client-ip=54.225.227.206; Received: from localhost ([127.0.0.1] helo=ip-10-141-164-156.ec2.internal) by ip-10-141-164-156.ec2.internal with esmtp (Exim 4.76) (envelope-from ) id 1X8aRx-0006KT-Kw; Sat, 19 Jul 2014 19:37:41 +0000 Received: from mail-gw2-out.broadcom.com ([216.31.210.63]) by ip-10-141-164-156.ec2.internal with esmtp (Exim 4.76) (envelope-from ) id 1X8aRl-0006KO-7G for lng-odp@lists.linaro.org; Sat, 19 Jul 2014 19:37:29 +0000 X-IronPort-AV: E=Sophos;i="5.01,692,1400050800"; d="scan'208";a="39956908" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw2-out.broadcom.com with ESMTP; 19 Jul 2014 12:49:03 -0700 Received: from IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.3.174.1; Sat, 19 Jul 2014 12:39:54 -0700 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) with Microsoft SMTP Server id 14.3.174.1; Sat, 19 Jul 2014 12:39:54 -0700 Received: from localhost.localdomain (unknown [10.131.61.80]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id ECC3D9F9F7; Sat, 19 Jul 2014 12:39:52 -0700 (PDT) From: To: Date: Sun, 20 Jul 2014 01:09:40 +0530 Message-ID: <1405798780-502-1-git-send-email-venkatesh.vivekanandan@linaro.org> X-Mailer: git-send-email 1.8.1.2 MIME-Version: 1.0 X-Topics: patch Cc: Vincent Hsu Subject: [lng-odp] [PATCHv6 1/2] Initial odp-dpdk port X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , Errors-To: lng-odp-bounces@lists.linaro.org Sender: lng-odp-bounces@lists.linaro.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: venkatesh.vivekanandan@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.220.178 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 From: Vincent Hsu - Pulled necessary files from platform/linux-generic into platform/linux-dpdk - Made necessary changes in files to get it compiled with dpdk library for eg., * odp_buffer_hdr_t is mapped to struct rte_mbuf * All odp_buffer_* maps to rte_* in dpdk * necessary initialisations like odp_init_dpdk * All packet related changes in odp_packet.c and odp_packet_io.c * dpdk support in odp_packet_dpdk.c Signed-off-by: Vincent Hsu - Add/modify files to support linux-dpdk compilation in new automake environment. * Modified configure.ac * Added platform/linux-dpdk/Makefile.am * Moved all files from platform/linux-dpdk/source to platform/linux-dpdk/. - Added platform/linux-dpdk/README on how to clone, compile DPDK and commands to execute on ODP. - Made ODP_BUFFER_ consistent with linux-generic. - Removed odp_buffer_is_scatter API to be inline with linux-generic. - Added platform/linux-dpdk/odp_linux.c to supply the function and argument to the pthread created by dpdk. Signed-off-by: Venkatesh Vivekanandan --- configure.ac | 2 + platform/linux-dpdk/Makefile.am | 100 +++++ platform/linux-dpdk/README | 127 ++++++ platform/linux-dpdk/include/api/odp_buffer.h | 94 +++++ platform/linux-dpdk/include/api/odp_buffer_pool.h | 99 +++++ platform/linux-dpdk/include/api/odp_packet.h | 228 +++++++++++ platform/linux-dpdk/include/api/odp_pktio_types.h | 45 +++ platform/linux-dpdk/include/odp_buffer_internal.h | 72 ++++ .../linux-dpdk/include/odp_buffer_pool_internal.h | 90 +++++ platform/linux-dpdk/include/odp_packet_dpdk.h | 87 +++++ platform/linux-dpdk/include/odp_packet_internal.h | 139 +++++++ .../linux-dpdk/include/odp_packet_io_internal.h | 51 +++ platform/linux-dpdk/odp_buffer.c | 90 +++++ platform/linux-dpdk/odp_buffer_pool.c | 156 ++++++++ platform/linux-dpdk/odp_init.c | 113 ++++++ platform/linux-dpdk/odp_linux.c | 96 +++++ platform/linux-dpdk/odp_packet.c | 374 ++++++++++++++++++ platform/linux-dpdk/odp_packet_dpdk.c | 189 +++++++++ platform/linux-dpdk/odp_packet_io.c | 419 ++++++++++++++++++++ platform/linux-dpdk/odp_queue.c | 435 +++++++++++++++++++++ 20 files changed, 3006 insertions(+) create mode 100644 platform/linux-dpdk/Makefile.am create mode 100644 platform/linux-dpdk/README create mode 100644 platform/linux-dpdk/include/api/odp_buffer.h create mode 100644 platform/linux-dpdk/include/api/odp_buffer_pool.h create mode 100644 platform/linux-dpdk/include/api/odp_packet.h create mode 100644 platform/linux-dpdk/include/api/odp_pktio_types.h create mode 100644 platform/linux-dpdk/include/odp_buffer_internal.h create mode 100644 platform/linux-dpdk/include/odp_buffer_pool_internal.h create mode 100644 platform/linux-dpdk/include/odp_packet_dpdk.h create mode 100644 platform/linux-dpdk/include/odp_packet_internal.h create mode 100644 platform/linux-dpdk/include/odp_packet_io_internal.h create mode 100644 platform/linux-dpdk/odp_buffer.c create mode 100644 platform/linux-dpdk/odp_buffer_pool.c create mode 100644 platform/linux-dpdk/odp_init.c create mode 100644 platform/linux-dpdk/odp_linux.c create mode 100644 platform/linux-dpdk/odp_packet.c create mode 100644 platform/linux-dpdk/odp_packet_dpdk.c create mode 100644 platform/linux-dpdk/odp_packet_io.c create mode 100644 platform/linux-dpdk/odp_queue.c diff --git a/configure.ac b/configure.ac index 873ea9e..3d8481f 100644 --- a/configure.ac +++ b/configure.ac @@ -51,6 +51,7 @@ AC_ARG_WITH([platform], AM_CONDITIONAL([ODP_PLATFORM_GENERIC], [test "x$with_platform" = xlinux-generic]) AM_CONDITIONAL([ODP_PLATFORM_KEYSTONE2], [test "x$with_platform" = xlinux-keystone2]) +AM_CONDITIONAL([ODP_PLATFORM_DPDK], [test "x$with_platform" = xlinux-dpdk]) AC_SUBST([with_platform]) @@ -111,6 +112,7 @@ AC_CONFIG_FILES([Makefile platform/Makefile platform/linux-generic/Makefile platform/linux-keystone2/Makefile + platform/linux-dpdk/Makefile test/Makefile test/api_test/Makefile test/example/Makefile diff --git a/platform/linux-dpdk/Makefile.am b/platform/linux-dpdk/Makefile.am new file mode 100644 index 0000000..8f5b94b --- /dev/null +++ b/platform/linux-dpdk/Makefile.am @@ -0,0 +1,100 @@ +include $(top_srcdir)/Makefile.inc +LIB = $(top_builddir)/lib + +dist_pkgdata_DATA = $(LIB)/libodp.la + +pkgconfigdir = pkgconfig +nodist_pkgconfig_DATA = $(top_builddir)/pkgconfig/libodp.pc + +.PHONY: pkgconfig/libodp.pc + +#RTE_SDK ?= $(top_srcdir)/../dpdk +#RTE_OUTPUT ?= $(RTE_SDK)/build +#RTE_LIB ?= $(RTE_OUTPUT)/lib + +#PLAT_CFLAGS = -include $(RTE_OUTPUT)/include/rte_config.h +#PLAT_CFLAGS += -I$(RTE_OUTPUT)/include +#PLAT_CFLAGS += -I$(RTE_OUTPUT)/include/arch +#PLAT_CFLAGS += -I$(RTE_OUTPUT)/include/exec-env +PLAT_CFLAGS = -msse4.2 + +AM_CFLAGS += $(PLAT_CFLAGS) +AM_CFLAGS += -I$(srcdir)/include +AM_CFLAGS += -I$(srcdir)/include/api +AM_CFLAGS += -I$(top_srcdir)/platform/linux-generic/include +AM_CFLAGS += -I$(top_srcdir)/platform/linux-generic/include/api +AM_CFLAGS += -I$(top_srcdir)/include + +#AM_LDFLAGS += -L$(RTE_LIB) +VPATH = $(srcdir) $(builddir) +if ODP_PLATFORM_DPDK +lib_LTLIBRARIES = $(LIB)/libodp.la +DPDK_LIBS="-lintel_dpdk -ldl" +LIBS += $(DPDK_LIBS) + +include_HEADERS = \ + $(top_srcdir)/platform/linux-dpdk/include/api/odp_buffer.h \ + $(top_srcdir)/include/odp.h \ + $(top_srcdir)/include/odp_align.h \ + $(top_srcdir)/include/odp_atomic.h \ + $(top_srcdir)/include/odp_barrier.h \ + $(top_srcdir)/include/odp_buffer_pool.h \ + $(top_srcdir)/include/odp_byteorder.h \ + $(top_srcdir)/include/odp_compiler.h \ + $(top_srcdir)/include/odp_config.h \ + $(top_srcdir)/include/odp_coremask.h \ + $(top_srcdir)/include/odp_debug.h \ + $(top_srcdir)/include/odp_hints.h \ + $(top_srcdir)/include/odp_init.h \ + $(top_srcdir)/include/odp_packet_flags.h \ + $(top_srcdir)/include/odp_packet.h \ + $(top_srcdir)/include/odp_packet_io.h \ + $(top_srcdir)/include/odp_queue.h \ + $(top_srcdir)/include/odp_rwlock.h \ + $(top_srcdir)/include/odp_schedule.h \ + $(top_srcdir)/include/odp_shared_memory.h \ + $(top_srcdir)/include/odp_spinlock.h \ + $(top_srcdir)/include/odp_std_types.h \ + $(top_srcdir)/include/odp_sync.h \ + $(top_srcdir)/include/odp_system_info.h \ + $(top_srcdir)/include/odp_thread.h \ + $(top_srcdir)/include/odp_ticketlock.h \ + $(top_srcdir)/include/odp_time.h \ + $(top_srcdir)/include/odp_timer.h \ + $(top_srcdir)/include/odp_version.h + +subdirheadersdir = $(includedir)/helper +subdirheaders_HEADERS = \ + $(top_srcdir)/include/helper/odp_chksum.h \ + $(top_srcdir)/include/helper/odp_eth.h \ + $(top_srcdir)/include/helper/odp_ip.h \ + $(top_srcdir)/include/helper/odp_linux.h \ + $(top_srcdir)/include/helper/odp_packet_helper.h \ + $(top_srcdir)/include/helper/odp_ring.h \ + $(top_srcdir)/include/helper/odp_udp.h + +__LIB__libodp_la_SOURCES = \ + ../linux-generic/odp_barrier.c \ + odp_buffer.c \ + odp_buffer_pool.c \ + ../linux-generic/odp_coremask.c \ + odp_init.c \ + odp_linux.c \ + odp_packet.c \ + odp_packet_dpdk.c \ + ../linux-generic/odp_packet_flags.c \ + odp_packet_io.c \ + ../linux-generic/odp_packet_socket.c \ + odp_queue.c \ + ../linux-generic/odp_ring.c \ + ../linux-generic/odp_rwlock.c \ + ../linux-generic/odp_schedule.c \ + ../linux-generic/odp_shared_memory.c \ + ../linux-generic/odp_spinlock.c \ + ../linux-generic/odp_system_info.c \ + ../linux-generic/odp_thread.c \ + ../linux-generic/odp_ticketlock.c \ + ../linux-generic/odp_time.c \ + ../linux-generic/odp_timer.c + +endif diff --git a/platform/linux-dpdk/README b/platform/linux-dpdk/README new file mode 100644 index 0000000..a071a92 --- /dev/null +++ b/platform/linux-dpdk/README @@ -0,0 +1,127 @@ +ODP-DPDK: +--------- + This effort is to port ODP on top of DPDK and use dpdk as the +accelerator for all intel NIC's. Pre-requisite is DPDK should be cloned and +compiled. DPDK and ODP was compiled and tested on Ubuntu 14.04 +3.13.0-29-generic kernel. + +# To Clone DPDK +$ git clone http://92.243.14.124/git/dpdk ./ + +# Ensure that dpdk is present at the same directory level as odp, that is, +# ./odp and ./dpdk + +# we support only 1.6.0r2 of dpdk for now +$ git tag -l -- will list all the tags available +$ git checkout -b 1.6.0 tags/v1.6.0r2 +# Please refer dpdk.org website for more details on how to build dpdk. +# Best effort is done to provide some help on dpdk cmds below for Ubuntu, +# where it was compiled and tested. +# Please refer "How to compile DPDK" section in this document + +# To compile ODP with linux-dpdk +$ cd +$ sudo ./bootstrap +$ sudo ./configure --with-platform=linux-dpdk LDFLAGS=-L/lib CFLAGS="-include /include/rte_config.h -I/include -I/include/arch -I/include/exec-env" +# For example +$ sudo ./configure --with-platform=linux-dpdk LDFLAGS=-L/root/dpdk/build/lib CFLAGS="-include /root/dpdk/build/include/rte_config.h -I/root/dpdk/build/include -I/root/dpdk/build/include/arch -I/root/dpdk/build/include/exec-env" +$ sudo make clean +$ sudo make + +# Commands to test +l2fwding app - sudo ./test/l2fwd/odp_l2fwd -i 0,1 -m 0 -c 2 +loopback app - sudo ./test/packet/odp_pktio -i 0,1 -m 0 -c 2 + + -i 0,1 - interface number + -m 0 - burst mode + -c 2 - number of cpus + +How to compile DPDK: +==================== +$ cd + +# This has to be done only once. +# Following command will generate build dir as ./build in +$ make config T=x86_64-default-linuxapp-gcc + +# If user wants to override and give a different name for build dir, +# then that can be done using the following command +$ make config T=x86_64-default-linuxapp-gcc O=my_sdk_build_dir + +$ vi /.config and set CONFIG_RTE_BUILD_COMBINE_LIBS=y + +Note: If non-intel SFP's are used in NIC, then go to /.config +and set CONFIG_RTE_LIBRTE_IXGBE_ALLOW_UNSUPPORTED_SFP=y + +$ cd +$ make clean; make + +# If "conflicting types for skb_set_hash" error happens during dpdk +# build, then please knock-off skb_set_hash function from kcompat.h as +# shown below. This was seen in Ubuntu 3.13.0-30-generic. +diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h +index 19df483..78a794a 100644 +--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h ++++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h +@@ -3845,11 +3845,6 @@ static inline struct sk_buff *__kc__vlan_hwaccel_put_tag(struct sk_buff *skb, + #if ( LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0) ) + #ifdef NETIF_F_RXHASH + #define PKT_HASH_TYPE_L3 0 +-static inline void +-skb_set_hash(struct sk_buff *skb, __u32 hash, __always_unused int type) +-{ +- skb->rxhash = hash; +-} + #endif /* NETIF_F_RXHASH */ + #endif /* < 3.14.0 */ +# this only ensures building dpdk, but traffic is not tested with this +# build yet. It is upto the user to test it. + +# To reserve huge pages, which is needed for dpdk, execute following command +$ sudo sh -c 'echo 1024 > /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages' +# If you are running on a multi-node machine then, hugepages should be reserved on each node +$ ls /sys/devices/system/node +$ sudo sh -c 'echo 1024 > /sys/devices/system/node/node*/hugepages/hugepages-2048kB/nr_hugepages' + +$ sudo mkdir /mnt/huge +$ sudo mount -t hugetlbfs nodev /mnt/huge +# To load uio driver +$ sudo /sbin/modprobe uio +$ ulimit -Sn 2048 + +$ cd +$ sudo insmod ./build/build/lib/librte_eal/linuxapp/igb_uio/igb_uio.ko + +$ sudo rmmod ixgbe +$ sudo modprobe ixgbe +# If the SFP's used are non-intel, then +$ sudo modprobe ixgbe allow_unsupported_sfp=1 + +$ cd +$ ./tools/igb_uio_bind.py --status +# this command produces output that is something similar as given below + +Network devices using IGB_UIO driver +==================================== +0000:05:00.0 'Ethernet 10G 2P X520 Adapter' drv=igb_uio unused= +0000:05:00.1 'Ethernet 10G 2P X520 Adapter' drv=igb_uio unused= + +Network devices using kernel driver +=================================== +0000:01:00.0 'NetXtreme II BCM5709 Gigabit Ethernet' if=eth0 drv=bnx2 unused= *Active* +0000:01:00.1 'NetXtreme II BCM5709 Gigabit Ethernet' if=eth1 drv=bnx2 unused= +0000:07:00.0 'T320 10GbE Dual Port Adapter' if=eth2,eth3 drv=cxgb3 unused= + +Other network devices +===================== + + +# Now you should look for pci id listed and give it in the following command +# in place of 05:00.x + +# To give the interfaces to dpdk, use following command +$ sudo ./tools/igb_uio_bind.py --bind=igb_uio 05:00.0 +$ sudo ./tools/igb_uio_bind.py --bind=igb_uio 05:00.1 +# To restore it back to kernel, use following command +$ sudo ./tools/igb_uio_bind.py --bind=ixgbe 05:00.0 +$ sudo ./tools/igb_uio_bind.py --bind=ixgbe 05:00.1 diff --git a/platform/linux-dpdk/include/api/odp_buffer.h b/platform/linux-dpdk/include/api/odp_buffer.h new file mode 100644 index 0000000..9ea1ed8 --- /dev/null +++ b/platform/linux-dpdk/include/api/odp_buffer.h @@ -0,0 +1,94 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + + +/** + * @file + * + * ODP buffer descriptor + */ + +#ifndef ODP_BUFFER_H_ +#define ODP_BUFFER_H_ + +#ifdef __cplusplus +extern "C" { +#endif + + + +#include + + + + + +/** + * ODP buffer + */ +typedef unsigned long odp_buffer_t; + + +#define ODP_BUFFER_INVALID (0xffffffff) /**< Invalid buffer */ + + +/** + * Buffer start address + * + * @param buf Buffer handle + * + * @return Buffer start address + */ +void *odp_buffer_addr(odp_buffer_t buf); + +/** + * Buffer maximum data size + * + * @param buf Buffer handle + * + * @return Buffer maximum data size + */ +size_t odp_buffer_size(odp_buffer_t buf); + +/** + * Buffer type + * + * @param buf Buffer handle + * + * @return Buffer type + */ +int odp_buffer_type(odp_buffer_t buf); + +#define ODP_BUFFER_TYPE_INVALID (-1) /**< Buffer type invalid */ +#define ODP_BUFFER_TYPE_ANY 0 /**< Buffer that can hold any other + buffer type */ +#define ODP_BUFFER_TYPE_RAW 1 /**< Raw buffer, no additional metadata */ +#define ODP_BUFFER_TYPE_PACKET 2 /**< Packet buffer */ +#define ODP_BUFFER_TYPE_TIMEOUT 3 /**< Timeout buffer */ + +/** + * Tests if buffer is valid + * + * @param buf Buffer handle + * + * @return 1 if valid, otherwise 0 + */ +int odp_buffer_is_valid(odp_buffer_t buf); + +/** + * Print buffer metadata to STDOUT + * + * @param buf Buffer handle + * + */ +void odp_buffer_print(odp_buffer_t buf); + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/platform/linux-dpdk/include/api/odp_buffer_pool.h b/platform/linux-dpdk/include/api/odp_buffer_pool.h new file mode 100644 index 0000000..4b75cf5 --- /dev/null +++ b/platform/linux-dpdk/include/api/odp_buffer_pool.h @@ -0,0 +1,99 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + + +/** + * @file + * + * ODP buffer pool + */ + +#ifndef ODP_BUFFER_POOL_H_ +#define ODP_BUFFER_POOL_H_ + +#ifdef __cplusplus +extern "C" { +#endif + + + +#include +#include + +/** Maximum queue name lenght in chars */ +#define ODP_BUFFER_POOL_NAME_LEN 32 + +/** Invalid buffer pool */ +#define ODP_BUFFER_POOL_INVALID (0xffffffff) + +/** ODP buffer pool */ +typedef unsigned long odp_buffer_pool_t; + + +/** + * Create a buffer pool + * + * @param name Name of the pool (max ODP_BUFFER_POOL_NAME_LEN - 1 chars) + * @param base_addr Pool base address + * @param size Pool size in bytes + * @param buf_size Buffer size in bytes + * @param buf_align Minimum buffer alignment + * @param buf_type Buffer type + * + * @return Buffer pool handle + */ +odp_buffer_pool_t odp_buffer_pool_create(const char *name, + void *base_addr, uint64_t size, + size_t buf_size, size_t buf_align, + int buf_type); + + +/** + * Find a buffer pool by name + * + * @param name Name of the pool + * + * @return Buffer pool handle, or ODP_BUFFER_POOL_INVALID if not found. + */ +odp_buffer_pool_t odp_buffer_pool_lookup(const char *name); + + +/** + * Print buffer pool info + * + * @param pool Pool handle + * + */ +void odp_buffer_pool_print(odp_buffer_pool_t pool); + + + +/** + * Buffer alloc + * + * @param pool Pool handle + * + * @return Buffer handle or ODP_BUFFER_INVALID + */ +odp_buffer_t odp_buffer_alloc(odp_buffer_pool_t pool); + + +/** + * Buffer free + * + * @param buf Buffer handle + * + */ +void odp_buffer_free(odp_buffer_t buf); + + + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/platform/linux-dpdk/include/api/odp_packet.h b/platform/linux-dpdk/include/api/odp_packet.h new file mode 100644 index 0000000..bdb3417 --- /dev/null +++ b/platform/linux-dpdk/include/api/odp_packet.h @@ -0,0 +1,228 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + + +/** + * @file + * + * ODP packet descriptor + */ + +#ifndef ODP_PACKET_H_ +#define ODP_PACKET_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include + + +/** + * ODP packet descriptor + */ +typedef unsigned long odp_packet_t; + + +/** Invalid packet */ +#define ODP_PACKET_INVALID ODP_BUFFER_INVALID + +/** Invalid offset */ +#define ODP_PACKET_OFFSET_INVALID ((size_t)-1) + + +/** + * Initialize the packet + * + * Needs to be called if the user allocates a packet buffer, i.e. the packet + * has not been received from I/O through ODP. + * + * @param pkt Packet handle + */ +void odp_packet_init(odp_packet_t pkt); + +/** + * Convert from packet handle to buffer handle + * + * @param buf Buffer handle + * + * @return Packet handle + */ +odp_packet_t odp_packet_from_buffer(odp_buffer_t buf); + +/** + * Convert from buffer handle to packet handle + * + * @param pkt Packet handle + * + * @return Buffer handle + */ +odp_buffer_t odp_buffer_from_packet(odp_packet_t pkt); + +/** + * Set the packet length + * + * @param pkt Packet handle + * @param len Length of packet in bytes + */ +void odp_packet_set_len(odp_packet_t pkt, size_t len); + +/** + * Get the packet length + * + * @param pkt Packet handle + * + * @return Packet length in bytes + */ +size_t odp_packet_get_len(odp_packet_t pkt); + +/** + * Get address to the start of the packet buffer + * + * The address of the packet buffer is not necessarily the same as the start + * address of the received frame, e.g. an eth frame may be offset by 2 or 6 + * bytes to ensure 32 or 64-bit alignment of the IP header. + * Use odp_packet_l2(pkt) to get the start address of a received valid frame + * or odp_packet_start(pkt) to get the start address even if no valid L2 header + * could be found. + * + * @param pkt Packet handle + * + * @return Pointer to the start of the packet buffer + * + * @see odp_packet_l2(), odp_packet_start() + */ +uint8_t *odp_packet_buf_addr(odp_packet_t pkt); + +/** + * Get pointer to the start of the received frame + * + * The address of the packet buffer is not necessarily the same as the start + * address of the received frame, e.g. an eth frame may be offset by 2 or 6 + * bytes to ensure 32 or 64-bit alignment of the IP header. + * Use odp_packet_l2(pkt) to get the start address of a received valid eth frame + * + * odp_packet_start() will always return a pointer to the start of the frame, + * even if the frame is unrecognized and no valid L2 header could be found. + * + * @param pkt Packet handle + * + * @return Pointer to the start of the received frame + * + * @see odp_packet_l2(), odp_packet_buf_addr() + */ +uint8_t *odp_packet_start(odp_packet_t pkt); + +/** + * Get pointer to the start of the L2 frame + * + * The L2 frame header address is not necessarily the same as the address of the + * packet buffer, see odp_packet_buf_addr() + * + * @param pkt Packet handle + * + * @return Pointer to L2 header or NULL if not found + * + * @see odp_packet_buf_addr(), odp_packet_start() + */ +uint8_t *odp_packet_l2(odp_packet_t pkt); + +/** + * Return the byte offset from the packet buffer to the L2 frame + * + * @param pkt Packet handle + * + * @return L2 byte offset or ODP_PACKET_OFFSET_INVALID if not found + */ +size_t odp_packet_l2_offset(odp_packet_t pkt); + +/** + * Set the byte offset to the L2 frame + * + * @param pkt Packet handle + * @param offset L2 byte offset + */ +void odp_packet_set_l2_offset(odp_packet_t pkt, size_t offset); + + +/** + * Get pointer to the start of the L3 packet + * + * @param pkt Packet handle + * + * @return Pointer to L3 packet or NULL if not found + * + */ +uint8_t *odp_packet_l3(odp_packet_t pkt); + +/** + * Return the byte offset from the packet buffer to the L3 packet + * + * @param pkt Packet handle + * + * @return L3 byte offset or ODP_PACKET_OFFSET_INVALID if not found + */ +size_t odp_packet_l3_offset(odp_packet_t pkt); + +/** + * Set the byte offset to the L3 packet + * + * @param pkt Packet handle + * @param offset L3 byte offset + */ +void odp_packet_set_l3_offset(odp_packet_t pkt, size_t offset); + + +/** + * Get pointer to the start of the L4 packet + * + * @param pkt Packet handle + * + * @return Pointer to L4 packet or NULL if not found + * + */ +uint8_t *odp_packet_l4(odp_packet_t pkt); + +/** + * Return the byte offset from the packet buffer to the L4 packet + * + * @param pkt Packet handle + * + * @return L4 byte offset or ODP_PACKET_OFFSET_INVALID if not found + */ +size_t odp_packet_l4_offset(odp_packet_t pkt); + +/** + * Set the byte offset to the L4 packet + * + * @param pkt Packet handle + * @param offset L4 byte offset + */ +void odp_packet_set_l4_offset(odp_packet_t pkt, size_t offset); + +/** + * Print (debug) information about the packet + * + * @param pkt Packet handle + */ +void odp_packet_print(odp_packet_t pkt); + +/** + * Copy contents and metadata from pkt_src to pkt_dst + * Useful when creating copies of packets + * + * @param pkt_dst Destination packet + * @param pkt_src Source packet + * + * @return 0 if successful + */ +int odp_packet_copy(odp_packet_t pkt_dst, odp_packet_t pkt_src); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/platform/linux-dpdk/include/api/odp_pktio_types.h b/platform/linux-dpdk/include/api/odp_pktio_types.h new file mode 100644 index 0000000..b23e6da --- /dev/null +++ b/platform/linux-dpdk/include/api/odp_pktio_types.h @@ -0,0 +1,45 @@ + +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef ODP_PKTIO_TYPES_H +#define ODP_PKTIO_TYPES_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* We should ensure that future enum values will never overlap, otherwise + * applications that want netmap suport might get in trouble if the odp lib + * was not built with netmap support and there are more types define below + */ + +typedef enum { + ODP_PKTIO_TYPE_SOCKET_BASIC = 0x1, + ODP_PKTIO_TYPE_SOCKET_MMSG, + ODP_PKTIO_TYPE_SOCKET_MMAP, + ODP_PKTIO_TYPE_NETMAP, + ODP_PKTIO_TYPE_DPDK, +} odp_pktio_type_t; + +#include +#ifdef ODP_HAVE_NETMAP +#include +#endif + +typedef union odp_pktio_params_t { + odp_pktio_type_t type; + socket_params_t sock_params; +#ifdef ODP_HAVE_NETMAP + netmap_params_t nm_params; +#endif +} odp_pktio_params_t; + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/platform/linux-dpdk/include/odp_buffer_internal.h b/platform/linux-dpdk/include/odp_buffer_internal.h new file mode 100644 index 0000000..f87ec80 --- /dev/null +++ b/platform/linux-dpdk/include/odp_buffer_internal.h @@ -0,0 +1,72 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + + +/** + * @file + * + * ODP buffer descriptor - implementation internal + */ + +#ifndef ODP_BUFFER_INTERNAL_H_ +#define ODP_BUFFER_INTERNAL_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include +#include +#include +#include +#include +#include + +/* TODO: move these to correct files */ + +typedef uint64_t odp_phys_addr_t; + +#define ODP_BUFFER_MAX_INDEX (ODP_BUFFER_MAX_BUFFERS - 2) +#define ODP_BUFFER_INVALID_INDEX (ODP_BUFFER_MAX_BUFFERS - 1) + +#define ODP_BUFS_PER_CHUNK 16 +#define ODP_BUFS_PER_SCATTER 4 + +#define ODP_BUFFER_TYPE_CHUNK 0xffff + + +#define ODP_BUFFER_POOL_BITS 4 +#define ODP_BUFFER_INDEX_BITS (32 - ODP_BUFFER_POOL_BITS) +#define ODP_BUFFER_MAX_POOLS (1 << ODP_BUFFER_POOL_BITS) +#define ODP_BUFFER_MAX_BUFFERS (1 << ODP_BUFFER_INDEX_BITS) + +typedef union odp_buffer_bits_t { + uint32_t u32; + odp_buffer_t handle; + + struct { + uint32_t pool:ODP_BUFFER_POOL_BITS; + uint32_t index:ODP_BUFFER_INDEX_BITS; + }; +} odp_buffer_bits_t; + + +/* forward declaration */ +struct odp_buffer_hdr_t; + + +typedef struct rte_mbuf odp_buffer_hdr_t; + + +int odp_buffer_snprint(char *str, size_t n, odp_buffer_t buf); + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/platform/linux-dpdk/include/odp_buffer_pool_internal.h b/platform/linux-dpdk/include/odp_buffer_pool_internal.h new file mode 100644 index 0000000..1a36655 --- /dev/null +++ b/platform/linux-dpdk/include/odp_buffer_pool_internal.h @@ -0,0 +1,90 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + + +/** + * @file + * + * ODP buffer pool - internal header + */ + +#ifndef ODP_BUFFER_POOL_INTERNAL_H_ +#define ODP_BUFFER_POOL_INTERNAL_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include +#include +#include +#include +#include +#include + +/* for DPDK */ +#include + +/* Use ticketlock instead of spinlock */ +#define POOL_USE_TICKETLOCK + +/* Extra error checks */ +/* #define POOL_ERROR_CHECK */ + + +#ifdef POOL_USE_TICKETLOCK +#include +#else +#include +#endif + + +struct pool_entry_s { +#ifdef POOL_USE_TICKETLOCK + odp_ticketlock_t lock ODP_ALIGNED_CACHE; +#else + odp_spinlock_t lock ODP_ALIGNED_CACHE; +#endif + + uint64_t free_bufs; + char name[ODP_BUFFER_POOL_NAME_LEN]; + + + odp_buffer_pool_t pool ODP_ALIGNED_CACHE; + uintptr_t buf_base; + size_t buf_size; + size_t buf_offset; + uint64_t num_bufs; + void *pool_base_addr; + uint64_t pool_size; + size_t payload_size; + size_t payload_align; + int buf_type; + size_t hdr_size; +}; + + +extern void *pool_entry_ptr[]; + + +static inline void *get_pool_entry(odp_buffer_pool_t pool_id) +{ + return pool_entry_ptr[pool_id]; +} + + +static inline odp_buffer_hdr_t *odp_buf_to_hdr(odp_buffer_t buf) +{ + return (odp_buffer_hdr_t *)buf; +} + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/platform/linux-dpdk/include/odp_packet_dpdk.h b/platform/linux-dpdk/include/odp_packet_dpdk.h new file mode 100644 index 0000000..bcbe9e8 --- /dev/null +++ b/platform/linux-dpdk/include/odp_packet_dpdk.h @@ -0,0 +1,87 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef ODP_PACKET_DPDK_H +#define ODP_PACKET_DPDK_H + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + + +#define ODP_DPDK_MODE_HW 0 +#define ODP_DPDK_MODE_SW 1 + +#define DPDK_BLOCKING_IO + +/** Packet socket using dpdk mmaped rings for both Rx and Tx */ +typedef struct { + odp_buffer_pool_t pool; + + /********************************/ + char ifname[32]; + uint8_t portid; + uint16_t queueid; +} pkt_dpdk_t; + +/** + * Configure an interface to work in dpdk mode + */ +int setup_pkt_dpdk(pkt_dpdk_t * const pkt_dpdk, const char *netdev, + odp_buffer_pool_t pool); + +/** + * Switch interface from dpdk mode to normal mode + */ +int close_pkt_dpdk(pkt_dpdk_t * const pkt_dpdk); + +/** + * Receive packets using dpdk + */ +int recv_pkt_dpdk(pkt_dpdk_t * const pkt_dpdk, odp_packet_t pkt_table[], + unsigned len); + +/** + * Send packets using dpdk + */ +int send_pkt_dpdk(pkt_dpdk_t * const pkt_dpdk, odp_packet_t pkt_table[], + unsigned len); + +int odp_init_dpdk(void); +#endif diff --git a/platform/linux-dpdk/include/odp_packet_internal.h b/platform/linux-dpdk/include/odp_packet_internal.h new file mode 100644 index 0000000..0f798c1 --- /dev/null +++ b/platform/linux-dpdk/include/odp_packet_internal.h @@ -0,0 +1,139 @@ +/* Copyright (c) 2014, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + + +/** + * @file + * + * ODP packet descriptor - implementation internal + */ + +#ifndef ODP_PACKET_INTERNAL_H_ +#define ODP_PACKET_INTERNAL_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include +#include +#include +#include +#include + +/** + * Packet input & protocol flags + */ +typedef union { + /* All input flags */ + uint32_t all; + + struct { + /* Bitfield flags for each protocol */ + uint32_t l2:1; /**< known L2 protocol present */ + uint32_t l3:1; /**< known L3 protocol present */ + uint32_t l4:1; /**< known L4 protocol present */ + + uint32_t eth:1; /**< Ethernet */ + uint32_t jumbo:1; /**< Jumbo frame */ + uint32_t vlan:1; /**< VLAN hdr found */ + uint32_t vlan_qinq:1; /**< Stacked VLAN found, QinQ */ + + uint32_t arp:1; /**< ARP */ + + uint32_t ipv4:1; /**< IPv4 */ + uint32_t ipv6:1; /**< IPv6 */ + uint32_t ipfrag:1; /**< IP fragment */ + uint32_t ipopt:1; /**< IP optional headers */ + uint32_t ipsec:1; /**< IPSec decryption may be needed */ + + uint32_t udp:1; /**< UDP */ + uint32_t tcp:1; /**< TCP */ + uint32_t sctp:1; /**< SCTP */ + uint32_t icmp:1; /**< ICMP */ + }; +} input_flags_t; + +ODP_ASSERT(sizeof(input_flags_t) == sizeof(uint32_t), INPUT_FLAGS_SIZE_ERROR); + +/** + * Packet error flags + */ +typedef union { + /* All error flags */ + uint32_t all; + + struct { + /* Bitfield flags for each detected error */ + uint32_t frame_len:1; /**< Frame length error */ + uint32_t l2_chksum:1; /**< L2 checksum error, checks TBD */ + uint32_t ip_err:1; /**< IP error, checks TBD */ + uint32_t tcp_err:1; /**< TCP error, checks TBD */ + uint32_t udp_err:1; /**< UDP error, checks TBD */ + }; +} error_flags_t; + +ODP_ASSERT(sizeof(error_flags_t) == sizeof(uint32_t), ERROR_FLAGS_SIZE_ERROR); + +/** + * Packet output flags + */ +typedef union { + /* All output flags */ + uint32_t all; + + struct { + /* Bitfield flags for each output option */ + uint32_t l4_chksum:1; /**< Request L4 checksum calculation */ + }; +} output_flags_t; + +ODP_ASSERT(sizeof(output_flags_t) == sizeof(uint32_t), OUTPUT_FLAGS_SIZE_ERROR); + +/** + * Internal Packet header + */ +typedef struct { + /* common buffer header */ + odp_buffer_hdr_t buf_hdr; + + input_flags_t input_flags; + error_flags_t error_flags; + output_flags_t output_flags; + + uint32_t frame_offset; /**< offset to start of frame, even on error */ + uint32_t l2_offset; /**< offset to L2 hdr, e.g. Eth */ + uint32_t l3_offset; /**< offset to L3 hdr, e.g. IPv4, IPv6 */ + uint32_t l4_offset; /**< offset to L4 hdr (TCP, UDP, SCTP, also ICMP) */ + + uint32_t frame_len; + + odp_pktio_t input; + + uint32_t pad; + uint8_t payload[]; + +} odp_packet_hdr_t; + +/** + * Return the packet header + */ +static inline odp_packet_hdr_t *odp_packet_hdr(odp_packet_t pkt) +{ + return (odp_packet_hdr_t *)pkt; +} + +/** + * Parse packet and set internal metadata + */ +void odp_packet_parse(odp_packet_t pkt, size_t len, size_t l2_offset); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/platform/linux-dpdk/include/odp_packet_io_internal.h b/platform/linux-dpdk/include/odp_packet_io_internal.h new file mode 100644 index 0000000..08abea7 --- /dev/null +++ b/platform/linux-dpdk/include/odp_packet_io_internal.h @@ -0,0 +1,51 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + + +/** + * @file + * + * ODP packet IO - implementation internal + */ + +#ifndef ODP_PACKET_IO_INTERNAL_H_ +#define ODP_PACKET_IO_INTERNAL_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include +#ifdef ODP_HAVE_NETMAP +#include +#endif +#include + +struct pktio_entry { + odp_spinlock_t lock; /**< entry spinlock */ + int taken; /**< is entry taken(1) or free(0) */ + odp_queue_t inq_default; /**< default input queue, if set */ + odp_queue_t outq_default; /**< default out queue */ + odp_pktio_params_t params; /**< pktio parameters */ + pkt_sock_t pkt_sock; /**< using socket API for IO */ + pkt_sock_mmap_t pkt_sock_mmap; /**< using socket mmap API for IO */ +#ifdef ODP_HAVE_NETMAP + pkt_netmap_t pkt_nm; /**< using netmap API for IO */ +#endif + pkt_dpdk_t pkt_dpdk; /**< using DPDK API for IO */ +}; + +typedef union { + struct pktio_entry s; + uint8_t pad[ODP_CACHE_LINE_SIZE_ROUNDUP(sizeof(struct pktio_entry))]; +} pktio_entry_t; + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/platform/linux-dpdk/odp_buffer.c b/platform/linux-dpdk/odp_buffer.c new file mode 100644 index 0000000..e2f8942 --- /dev/null +++ b/platform/linux-dpdk/odp_buffer.c @@ -0,0 +1,90 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include +#include + +#include +#include + + +void *odp_buffer_addr(odp_buffer_t buf) +{ + odp_buffer_hdr_t *hdr = odp_buf_to_hdr(buf); + + return hdr->buf_addr; +} + + +size_t odp_buffer_size(odp_buffer_t buf) +{ + odp_buffer_hdr_t *hdr = odp_buf_to_hdr(buf); + + return hdr->buf_len; +} + + +int odp_buffer_type(odp_buffer_t buf) +{ + odp_buffer_hdr_t *hdr = odp_buf_to_hdr(buf); + + return hdr->type; +} + + +int odp_buffer_is_valid(odp_buffer_t buf) +{ + odp_buffer_bits_t handle; + + handle.u32 = buf; + + return (handle.index != ODP_BUFFER_INVALID_INDEX); +} + + +int odp_buffer_snprint(char *str, size_t n, odp_buffer_t buf) +{ + odp_buffer_hdr_t *hdr; + int len = 0; + + if (!odp_buffer_is_valid(buf)) { + printf("Buffer is not valid.\n"); + return len; + } + + hdr = odp_buf_to_hdr(buf); + + len += snprintf(&str[len], n-len, + "Buffer\n"); + len += snprintf(&str[len], n-len, + " pool %"PRIu64"\n", (int64_t) hdr->pool); + len += snprintf(&str[len], n-len, + " phy_addr %"PRIu64"\n", hdr->buf_physaddr); + len += snprintf(&str[len], n-len, + " addr %p\n", hdr->buf_addr); + len += snprintf(&str[len], n-len, + " size %u\n", hdr->buf_len); + len += snprintf(&str[len], n-len, + " ref_count %i\n", hdr->refcnt); + len += snprintf(&str[len], n-len, + " type %i\n", hdr->type); + + return len; +} + + +void odp_buffer_print(odp_buffer_t buf) +{ + int max_len = 512; + char str[max_len]; + int len; + + len = odp_buffer_snprint(str, max_len-1, buf); + str[len] = 0; + + printf("\n%s\n", str); +} diff --git a/platform/linux-dpdk/odp_buffer_pool.c b/platform/linux-dpdk/odp_buffer_pool.c new file mode 100644 index 0000000..de90275 --- /dev/null +++ b/platform/linux-dpdk/odp_buffer_pool.c @@ -0,0 +1,156 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +/* for DPDK */ +#include + +#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) +#define NB_MBUF 8192 + +#ifdef POOL_USE_TICKETLOCK +#include +#define LOCK(a) odp_ticketlock_lock(a) +#define UNLOCK(a) odp_ticketlock_unlock(a) +#define LOCK_INIT(a) odp_ticketlock_init(a) +#else +#include +#define LOCK(a) odp_spinlock_lock(a) +#define UNLOCK(a) odp_spinlock_unlock(a) +#define LOCK_INIT(a) odp_spinlock_init(a) +#endif + + +#if ODP_CONFIG_BUFFER_POOLS > ODP_BUFFER_MAX_POOLS +#error ODP_CONFIG_BUFFER_POOLS > ODP_BUFFER_MAX_POOLS +#endif + +#define NULL_INDEX ((uint32_t)-1) + + +typedef union pool_entry_u { + struct pool_entry_s s; + + uint8_t pad[ODP_CACHE_LINE_SIZE_ROUNDUP(sizeof(struct pool_entry_s))]; + +} pool_entry_t; + + +typedef struct pool_table_t { + pool_entry_t pool[ODP_CONFIG_BUFFER_POOLS]; + +} pool_table_t; + + +/* The pool table */ +static pool_table_t *pool_tbl; + +/* Pool entry pointers (for inlining) */ +void *pool_entry_ptr[ODP_CONFIG_BUFFER_POOLS]; + + +int odp_buffer_pool_init_global(void) +{ + odp_buffer_pool_t i; + + pool_tbl = odp_shm_reserve("odp_buffer_pools", + sizeof(pool_table_t), + sizeof(pool_entry_t)); + + if (pool_tbl == NULL) + return -1; + + memset(pool_tbl, 0, sizeof(pool_table_t)); + + + for (i = 0; i < ODP_CONFIG_BUFFER_POOLS; i++) { + /* init locks */ + pool_entry_t *pool = &pool_tbl->pool[i]; + LOCK_INIT(&pool->s.lock); + pool->s.pool = i; + + pool_entry_ptr[i] = pool; + } + + ODP_DBG("\nBuffer pool init global\n"); + ODP_DBG(" pool_entry_s size %zu\n", sizeof(struct pool_entry_s)); + ODP_DBG(" pool_entry_t size %zu\n", sizeof(pool_entry_t)); + ODP_DBG(" odp_buffer_hdr_t size %zu\n", sizeof(odp_buffer_hdr_t)); + ODP_DBG("\n"); + + return 0; +} + + +odp_buffer_pool_t odp_buffer_pool_create(const char *name, + void *base_addr, uint64_t size, + size_t buf_size, size_t buf_align, + int buf_type) +{ + struct rte_mempool *pktmbuf_pool = NULL; + ODP_DBG("odp_buffer_pool_create: %s, %lx, %u, %u, %u, %d\n", name, + (uint64_t) base_addr, (unsigned) size, + (unsigned) buf_size, (unsigned) buf_align, + buf_type); + + pktmbuf_pool = + rte_mempool_create(name, NB_MBUF, + MBUF_SIZE, 32, + sizeof(struct rte_pktmbuf_pool_private), + rte_pktmbuf_pool_init, NULL, + rte_pktmbuf_init, NULL, + rte_socket_id(), 0); + if (pktmbuf_pool == NULL) { + ODP_ERR("Cannot init DPDK mbuf pool\n"); + return -1; + } + + return (odp_buffer_pool_t) pktmbuf_pool; +} + + +odp_buffer_pool_t odp_buffer_pool_lookup(const char *name) +{ + struct rte_mempool *mp = NULL; + + mp = rte_mempool_lookup(name); + if (mp == NULL) + return ODP_BUFFER_POOL_INVALID; + + return (odp_buffer_pool_t)mp; +} + + +odp_buffer_t odp_buffer_alloc(odp_buffer_pool_t pool_id) +{ + return (odp_buffer_t)rte_pktmbuf_alloc((struct rte_mempool *)pool_id); +} + + +void odp_buffer_free(odp_buffer_t buf) +{ + rte_pktmbuf_free((struct rte_mbuf *)buf); +} + + +void odp_buffer_pool_print(odp_buffer_pool_t pool_id) +{ + rte_mempool_dump((const struct rte_mempool *)pool_id); +} diff --git a/platform/linux-dpdk/odp_init.c b/platform/linux-dpdk/odp_init.c new file mode 100644 index 0000000..ecc2066 --- /dev/null +++ b/platform/linux-dpdk/odp_init.c @@ -0,0 +1,113 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include +#include +#include + +int odp_init_dpdk(void) +{ + int test_argc = 5; + char *test_argv[6]; + int core_count, i, num_cores = 0; + char core_mask[8]; + + core_count = odp_sys_core_count(); + for (i = 0; i < core_count; i++) + num_cores += (0x1 << i); + sprintf(core_mask, "%x", num_cores); + + test_argv[0] = malloc(sizeof("odp_dpdk")); + strcpy(test_argv[0], "odp_dpdk"); + test_argv[1] = malloc(sizeof("-c")); + strcpy(test_argv[1], "-c"); + test_argv[2] = malloc(sizeof(core_mask)); + strcpy(test_argv[2], core_mask); + test_argv[3] = malloc(sizeof("-n")); + strcpy(test_argv[3], "-n"); + test_argv[4] = malloc(sizeof("3")); + strcpy(test_argv[4], "3"); + + if (rte_eal_init(test_argc, (char **)test_argv) < 0) { + ODP_ERR("Cannot init the Intel DPDK EAL!"); + return -1; + } + + if (rte_pmd_init_all() < 0) { + ODP_ERR("Cannot init pmd\n"); + return -1; + } + + if (rte_eal_pci_probe() < 0) { + ODP_ERR("Cannot probe PCI\n"); + return -1; + } + + return 0; +} + +int odp_init_global(void) +{ + odp_thread_init_global(); + + odp_system_info_init(); + + if (odp_init_dpdk()) { + ODP_ERR("ODP dpdk init failed.\n"); + return -1; + } + + if (odp_shm_init_global()) { + ODP_ERR("ODP shm init failed.\n"); + return -1; + } + + if (odp_buffer_pool_init_global()) { + ODP_ERR("ODP buffer pool init failed.\n"); + return -1; + } + + if (odp_queue_init_global()) { + ODP_ERR("ODP queue init failed.\n"); + return -1; + } + + if (odp_schedule_init_global()) { + ODP_ERR("ODP schedule init failed.\n"); + return -1; + } + + if (odp_pktio_init_global()) { + ODP_ERR("ODP packet io init failed.\n"); + return -1; + } + + if (odp_timer_init_global()) { + ODP_ERR("ODP timer init failed.\n"); + return -1; + } + + return 0; +} + + +int odp_init_local(int thr_id) +{ + odp_thread_init_local(thr_id); + + if (odp_pktio_init_local()) { + ODP_ERR("ODP packet io local init failed.\n"); + return -1; + } + + if (odp_schedule_init_local()) { + ODP_ERR("ODP schedule local init failed.\n"); + return -1; + } + + return 0; +} diff --git a/platform/linux-dpdk/odp_linux.c b/platform/linux-dpdk/odp_linux.c new file mode 100644 index 0000000..067bd99 --- /dev/null +++ b/platform/linux-dpdk/odp_linux.c @@ -0,0 +1,96 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif +#include + +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include + +typedef struct { + int thr_id; + void *(*start_routine) (void *); + void *arg; + +} odp_start_args_t; + + +static void *odp_run_start_routine(void *arg) +{ + odp_start_args_t *start_args = arg; + + /* ODP thread local init */ + odp_init_local(start_args->thr_id); + + return start_args->start_routine(start_args->arg); +} + + +void odp_linux_pthread_create(odp_linux_pthread_t *thread_tbl, int num, + int first_core, void *(*start_routine) (void *), void *arg) +{ + int i; + cpu_set_t cpu_set; + odp_start_args_t *start_args; + int core_count; + int cpu; + + (void) cpu_set; + (void) thread_tbl; + + core_count = odp_sys_core_count(); + + assert((first_core >= 0) && (first_core < core_count)); + assert((num >= 0) && (num <= core_count)); + + for (i = 0; i < num; i++) { + cpu = (first_core + i) % core_count; + + start_args = malloc(sizeof(odp_start_args_t)); + memset(start_args, 0, sizeof(odp_start_args_t)); + start_args->start_routine = start_routine; + start_args->arg = arg; + + odp_thread_create(cpu); + start_args->thr_id = cpu; + /* If not master core */ + if (cpu != 0) { + rte_eal_remote_launch( + (int(*)(void *))odp_run_start_routine, + start_args, cpu); + } else { + lcore_config[cpu].ret = (int)(uint64_t) + odp_run_start_routine(start_args); + lcore_config[cpu].state = FINISHED; + } + } +} + + +void odp_linux_pthread_join(odp_linux_pthread_t *thread_tbl, int num) +{ + uint32_t lcore_id; + + (void) thread_tbl; + (void) num; + + RTE_LCORE_FOREACH_SLAVE(lcore_id) { + if (rte_eal_wait_lcore(lcore_id) < 0) + return; + } +} diff --git a/platform/linux-dpdk/odp_packet.c b/platform/linux-dpdk/odp_packet.c new file mode 100644 index 0000000..c34e626 --- /dev/null +++ b/platform/linux-dpdk/odp_packet.c @@ -0,0 +1,374 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include +#include +#include + +#include +#include + +#include +#include + +static inline uint8_t parse_ipv4(odp_packet_hdr_t *pkt_hdr, odp_ipv4hdr_t *ipv4, + size_t *offset_out); +static inline uint8_t parse_ipv6(odp_packet_hdr_t *pkt_hdr, odp_ipv6hdr_t *ipv6, + size_t *offset_out); + +void odp_packet_init(odp_packet_t pkt) +{ + odp_packet_hdr_t *const pkt_hdr = odp_packet_hdr(pkt); + const size_t start_offset = ODP_FIELD_SIZEOF(odp_packet_hdr_t, buf_hdr); + uint8_t *start; + size_t len; + + start = (uint8_t *)pkt_hdr + start_offset; + len = ODP_OFFSETOF(odp_packet_hdr_t, payload) - start_offset; + memset(start, 0, len); + + pkt_hdr->l2_offset = (uint32_t) ODP_PACKET_OFFSET_INVALID; + pkt_hdr->l3_offset = (uint32_t) ODP_PACKET_OFFSET_INVALID; + pkt_hdr->l4_offset = (uint32_t) ODP_PACKET_OFFSET_INVALID; +} + +odp_packet_t odp_packet_from_buffer(odp_buffer_t buf) +{ + return (odp_packet_t)buf; +} + +odp_buffer_t odp_buffer_from_packet(odp_packet_t pkt) +{ + return (odp_buffer_t)pkt; +} + +void odp_packet_set_len(odp_packet_t pkt, size_t len) +{ + /* for rte_pktmbuf */ + odp_buffer_hdr_t *buf_hdr = odp_buf_to_hdr(odp_buffer_from_packet(pkt)); + buf_hdr->pkt.data_len = len; + + odp_packet_hdr(pkt)->frame_len = len; +} + +size_t odp_packet_get_len(odp_packet_t pkt) +{ + return odp_packet_hdr(pkt)->frame_len; +} + +uint8_t *odp_packet_buf_addr(odp_packet_t pkt) +{ + return odp_buffer_addr(odp_buffer_from_packet(pkt)); +} + +uint8_t *odp_packet_start(odp_packet_t pkt) +{ + return odp_packet_buf_addr(pkt) + odp_packet_hdr(pkt)->frame_offset; +} + + +uint8_t *odp_packet_l2(odp_packet_t pkt) +{ + const size_t offset = odp_packet_l2_offset(pkt); + + if (odp_unlikely(offset == ODP_PACKET_OFFSET_INVALID)) + return NULL; + + return odp_packet_buf_addr(pkt) + offset; +} + +size_t odp_packet_l2_offset(odp_packet_t pkt) +{ + return odp_packet_hdr(pkt)->l2_offset; +} + +void odp_packet_set_l2_offset(odp_packet_t pkt, size_t offset) +{ + odp_packet_hdr(pkt)->l2_offset = offset; +} + +uint8_t *odp_packet_l3(odp_packet_t pkt) +{ + const size_t offset = odp_packet_l3_offset(pkt); + + if (odp_unlikely(offset == ODP_PACKET_OFFSET_INVALID)) + return NULL; + + return odp_packet_buf_addr(pkt) + offset; +} + +size_t odp_packet_l3_offset(odp_packet_t pkt) +{ + return odp_packet_hdr(pkt)->l3_offset; +} + +void odp_packet_set_l3_offset(odp_packet_t pkt, size_t offset) +{ + odp_packet_hdr(pkt)->l3_offset = offset; +} + +uint8_t *odp_packet_l4(odp_packet_t pkt) +{ + const size_t offset = odp_packet_l4_offset(pkt); + + if (odp_unlikely(offset == ODP_PACKET_OFFSET_INVALID)) + return NULL; + + return odp_packet_buf_addr(pkt) + offset; +} + +size_t odp_packet_l4_offset(odp_packet_t pkt) +{ + return odp_packet_hdr(pkt)->l4_offset; +} + +void odp_packet_set_l4_offset(odp_packet_t pkt, size_t offset) +{ + odp_packet_hdr(pkt)->l4_offset = offset; +} + +/** + * Simple packet parser: eth, VLAN, IP, TCP/UDP/ICMP + * + * Internal function: caller is resposible for passing only valid packet handles + * , lengths and offsets (usually done&called in packet input). + * + * @param pkt Packet handle + * @param len Packet length in bytes + * @param frame_offset Byte offset to L2 header + */ +void odp_packet_parse(odp_packet_t pkt, size_t len, size_t frame_offset) +{ + odp_packet_hdr_t *const pkt_hdr = odp_packet_hdr(pkt); + odp_ethhdr_t *eth; + odp_vlanhdr_t *vlan; + odp_ipv4hdr_t *ipv4; + odp_ipv6hdr_t *ipv6; + uint16_t ethtype; + size_t offset = 0; + uint8_t ip_proto = 0; + + pkt_hdr->input_flags.eth = 1; + pkt_hdr->frame_offset = frame_offset; + pkt_hdr->frame_len = len; + + if (odp_unlikely(len < ODP_ETH_LEN_MIN)) { + pkt_hdr->error_flags.frame_len = 1; + return; + } else if (len > ODP_ETH_LEN_MAX) { + pkt_hdr->input_flags.jumbo = 1; + } + + /* Assume valid L2 header, no CRC/FCS check in SW */ + pkt_hdr->input_flags.l2 = 1; + pkt_hdr->l2_offset = frame_offset; + + eth = (odp_ethhdr_t *)odp_packet_start(pkt); + ethtype = odp_be_to_cpu_16(eth->type); + vlan = (odp_vlanhdr_t *)ð->type; + + if (ethtype == ODP_ETHTYPE_VLAN_OUTER) { + pkt_hdr->input_flags.vlan_qinq = 1; + ethtype = odp_be_to_cpu_16(vlan->tpid); + offset += sizeof(odp_vlanhdr_t); + vlan = &vlan[1]; + } + + if (ethtype == ODP_ETHTYPE_VLAN) { + pkt_hdr->input_flags.vlan = 1; + ethtype = odp_be_to_cpu_16(vlan->tpid); + offset += sizeof(odp_vlanhdr_t); + } + + /* Set l3_offset+flag only for known ethtypes */ + switch (ethtype) { + case ODP_ETHTYPE_IPV4: + pkt_hdr->input_flags.ipv4 = 1; + pkt_hdr->input_flags.l3 = 1; + pkt_hdr->l3_offset = frame_offset + ODP_ETHHDR_LEN + offset; + ipv4 = (odp_ipv4hdr_t *)odp_packet_l3(pkt); + ip_proto = parse_ipv4(pkt_hdr, ipv4, &offset); + break; + case ODP_ETHTYPE_IPV6: + pkt_hdr->input_flags.ipv6 = 1; + pkt_hdr->input_flags.l3 = 1; + pkt_hdr->l3_offset = frame_offset + ODP_ETHHDR_LEN + offset; + ipv6 = (odp_ipv6hdr_t *)odp_packet_l3(pkt); + ip_proto = parse_ipv6(pkt_hdr, ipv6, &offset); + break; + case ODP_ETHTYPE_ARP: + pkt_hdr->input_flags.arp = 1; + /* fall through */ + default: + ip_proto = 0; + break; + } + + switch (ip_proto) { + case ODP_IPPROTO_UDP: + pkt_hdr->input_flags.udp = 1; + pkt_hdr->input_flags.l4 = 1; + pkt_hdr->l4_offset = pkt_hdr->l3_offset + offset; + break; + case ODP_IPPROTO_TCP: + pkt_hdr->input_flags.tcp = 1; + pkt_hdr->input_flags.l4 = 1; + pkt_hdr->l4_offset = pkt_hdr->l3_offset + offset; + break; + case ODP_IPPROTO_SCTP: + pkt_hdr->input_flags.sctp = 1; + pkt_hdr->input_flags.l4 = 1; + pkt_hdr->l4_offset = pkt_hdr->l3_offset + offset; + break; + case ODP_IPPROTO_ICMP: + pkt_hdr->input_flags.icmp = 1; + pkt_hdr->input_flags.l4 = 1; + pkt_hdr->l4_offset = pkt_hdr->l3_offset + offset; + break; + default: + /* 0 or unhandled IP protocols, don't set L4 flag+offset */ + if (pkt_hdr->input_flags.ipv6) { + /* IPv6 next_hdr is not L4, mark as IP-option instead */ + pkt_hdr->input_flags.ipopt = 1; + } + break; + } +} + +static inline uint8_t parse_ipv4(odp_packet_hdr_t *pkt_hdr, odp_ipv4hdr_t *ipv4, + size_t *offset_out) +{ + uint8_t ihl; + uint16_t frag_offset; + + ihl = ODP_IPV4HDR_IHL(ipv4->ver_ihl); + if (odp_unlikely(ihl < ODP_IPV4HDR_IHL_MIN)) { + pkt_hdr->error_flags.ip_err = 1; + return 0; + } + + if (odp_unlikely(ihl > ODP_IPV4HDR_IHL_MIN)) { + pkt_hdr->input_flags.ipopt = 1; + return 0; + } + + /* A packet is a fragment if: + * "more fragments" flag is set (all fragments except the last) + * OR + * "fragment offset" field is nonzero (all fragments except the first) + */ + frag_offset = odp_be_to_cpu_16(ipv4->frag_offset); + if (odp_unlikely(ODP_IPV4HDR_IS_FRAGMENT(frag_offset))) { + pkt_hdr->input_flags.ipfrag = 1; + return 0; + } + + if (ipv4->proto == ODP_IPPROTO_ESP || + ipv4->proto == ODP_IPPROTO_AH) { + pkt_hdr->input_flags.ipsec = 1; + return 0; + } + + /* Set pkt_hdr->input_flags.ipopt when checking L4 hdrs after return */ + + *offset_out = sizeof(uint32_t) * ihl; + return ipv4->proto; +} + +static inline uint8_t parse_ipv6(odp_packet_hdr_t *pkt_hdr, odp_ipv6hdr_t *ipv6, + size_t *offset_out) +{ + if (ipv6->next_hdr == ODP_IPPROTO_ESP || + ipv6->next_hdr == ODP_IPPROTO_AH) { + pkt_hdr->input_flags.ipopt = 1; + pkt_hdr->input_flags.ipsec = 1; + return 0; + } + + if (odp_unlikely(ipv6->next_hdr == ODP_IPPROTO_FRAG)) { + pkt_hdr->input_flags.ipopt = 1; + pkt_hdr->input_flags.ipfrag = 1; + return 0; + } + + /* Don't step through more extensions */ + *offset_out = ODP_IPV6HDR_LEN; + return ipv6->next_hdr; +} + +void odp_packet_print(odp_packet_t pkt) +{ + int max_len = 512; + char str[max_len]; + int len = 0; + int n = max_len-1; + odp_packet_hdr_t *hdr = odp_packet_hdr(pkt); + + len += snprintf(&str[len], n-len, "Packet "); + len += odp_buffer_snprint(&str[len], n-len, (odp_buffer_t) pkt); + len += snprintf(&str[len], n-len, + " input_flags 0x%x\n", hdr->input_flags.all); + len += snprintf(&str[len], n-len, + " error_flags 0x%x\n", hdr->error_flags.all); + len += snprintf(&str[len], n-len, + " output_flags 0x%x\n", hdr->output_flags.all); + len += snprintf(&str[len], n-len, + " frame_offset %u\n", hdr->frame_offset); + len += snprintf(&str[len], n-len, + " l2_offset %u\n", hdr->l2_offset); + len += snprintf(&str[len], n-len, + " l3_offset %u\n", hdr->l3_offset); + len += snprintf(&str[len], n-len, + " l4_offset %u\n", hdr->l4_offset); + len += snprintf(&str[len], n-len, + " frame_len %u\n", hdr->frame_len); + len += snprintf(&str[len], n-len, + " input %u\n", hdr->input); + str[len] = '\0'; + + printf("\n%s\n", str); +} + +int odp_packet_copy(odp_packet_t pkt_dst, odp_packet_t pkt_src) +{ + odp_packet_hdr_t *const pkt_hdr_dst = odp_packet_hdr(pkt_dst); + odp_packet_hdr_t *const pkt_hdr_src = odp_packet_hdr(pkt_src); + const size_t start_offset = ODP_FIELD_SIZEOF(odp_packet_hdr_t, buf_hdr); + uint8_t *start_src; + uint8_t *start_dst; + size_t len; + + if (pkt_dst == ODP_PACKET_INVALID || pkt_src == ODP_PACKET_INVALID) + return -1; + + /* if (pkt_hdr_dst->buf_hdr.size < */ + /* pkt_hdr_src->frame_len + pkt_hdr_src->frame_offset) */ + if (pkt_hdr_dst->buf_hdr.buf_len < + pkt_hdr_src->frame_len + pkt_hdr_src->frame_offset) + return -1; + + /* Copy packet header */ + start_dst = (uint8_t *)pkt_hdr_dst + start_offset; + start_src = (uint8_t *)pkt_hdr_src + start_offset; + len = ODP_OFFSETOF(odp_packet_hdr_t, payload) - start_offset; + memcpy(start_dst, start_src, len); + + /* Copy frame payload */ + start_dst = (uint8_t *)odp_packet_start(pkt_dst); + start_src = (uint8_t *)odp_packet_start(pkt_src); + len = pkt_hdr_src->frame_len; + memcpy(start_dst, start_src, len); + + /* Copy useful things from the buffer header */ + /* pkt_hdr_dst->buf_hdr.cur_offset = pkt_hdr_src->buf_hdr.cur_offset; */ + + /* Create a copy of the scatter list */ + /* odp_buffer_copy_scatter(odp_buffer_from_packet(pkt_dst), */ + /* odp_buffer_from_packet(pkt_src)); */ + + return 0; +} diff --git a/platform/linux-dpdk/odp_packet_dpdk.c b/platform/linux-dpdk/odp_packet_dpdk.c new file mode 100644 index 0000000..31bfa30 --- /dev/null +++ b/platform/linux-dpdk/odp_packet_dpdk.c @@ -0,0 +1,189 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include + +#include +#include + +/* + * RX and TX Prefetch, Host, and Write-back threshold values should be + * carefully set for optimal performance. Consult the network + * controller's datasheet and supporting DPDK documentation for guidance + * on how these parameters should be set. + */ +#define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */ +#define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */ +#define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */ + +/* + * These default values are optimized for use with the Intel(R) 82599 10 GbE + * Controller and the DPDK ixgbe PMD. Consider using other values for other + * network controllers and/or network drivers. + */ +#define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */ +#define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */ +#define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */ + +#define MAX_PKT_BURST 16 +#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ +#define RTE_TEST_RX_DESC_DEFAULT 128 +#define RTE_TEST_TX_DESC_DEFAULT 512 +static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; +static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; + +static const struct rte_eth_conf port_conf = { + .rxmode = { + .split_hdr_size = 0, + .header_split = 0, /**< Header Split disabled */ + .hw_ip_checksum = 0, /**< IP checksum offload disabled */ + .hw_vlan_filter = 0, /**< VLAN filtering disabled */ + .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ + .hw_strip_crc = 0, /**< CRC stripped by hardware */ + }, + .txmode = { + .mq_mode = ETH_MQ_TX_NONE, + }, +}; + +static const struct rte_eth_rxconf rx_conf = { + .rx_thresh = { + .pthresh = RX_PTHRESH, + .hthresh = RX_HTHRESH, + .wthresh = RX_WTHRESH, + }, +}; + +static const struct rte_eth_txconf tx_conf = { + .tx_thresh = { + .pthresh = TX_PTHRESH, + .hthresh = TX_HTHRESH, + .wthresh = TX_WTHRESH, + }, + .tx_free_thresh = 0, /* Use PMD default values */ + .tx_rs_thresh = 0, /* Use PMD default values */ + /* + * As the example won't handle mult-segments and offload cases, + * set the flag by default. + */ + .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS | ETH_TXQ_FLAGS_NOOFFLOADS, +}; + +int setup_pkt_dpdk(pkt_dpdk_t * const pkt_dpdk, const char *netdev, + odp_buffer_pool_t pool) +{ + ODP_DBG("setup_pkt_dpdk\n"); + + static struct ether_addr eth_addr[RTE_MAX_ETHPORTS]; + uint8_t portid = 0; + uint16_t queueid = 0; + int ret; + printf("dpdk netdev: %s\n", netdev); + printf("dpdk pool: %lx\n", pool); + + portid = atoi(netdev); + pkt_dpdk->portid = portid; + pkt_dpdk->queueid = queueid; + pkt_dpdk->pool = pool; + printf("dpdk portid: %u\n", portid); + + fflush(stdout); + ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); + if (ret < 0) + ODP_ERR("Cannot configure device: err=%d, port=%u\n", + ret, (unsigned) portid); + + rte_eth_macaddr_get(portid, ð_addr[portid]); + ODP_DBG("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", + (unsigned) portid, + eth_addr[portid].addr_bytes[0], + eth_addr[portid].addr_bytes[1], + eth_addr[portid].addr_bytes[2], + eth_addr[portid].addr_bytes[3], + eth_addr[portid].addr_bytes[4], + eth_addr[portid].addr_bytes[5]); + + /* init one RX queue on each port */ + fflush(stdout); + ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, + rte_eth_dev_socket_id(portid), &rx_conf, + (struct rte_mempool *)pool); + if (ret < 0) + ODP_ERR("rte_eth_rx_queue_setup:err=%d, port=%u\n", + ret, (unsigned) portid); + ODP_DBG("dpdk rx queue setup done\n"); + + /* init one TX queue on each port */ + fflush(stdout); + ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, + rte_eth_dev_socket_id(portid), &tx_conf); + if (ret < 0) + ODP_ERR("rte_eth_tx_queue_setup:err=%d, port=%u\n", + ret, (unsigned) portid); + ODP_DBG("dpdk tx queue setup done\n"); + + /* Start device */ + ret = rte_eth_dev_start(portid); + if (ret < 0) + ODP_ERR("rte_eth_dev_start:err=%d, port=%u\n", + ret, (unsigned) portid); + ODP_DBG("dpdk setup done\n\n"); + + + return 0; +} + +int close_pkt_dpdk(pkt_dpdk_t * const pkt_dpdk) +{ + ODP_DBG("close pkt_dpdk, %u\n", pkt_dpdk->portid); + + return 0; +} + +int recv_pkt_dpdk(pkt_dpdk_t * const pkt_dpdk, odp_packet_t pkt_table[], + unsigned len) +{ + struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; + uint16_t nb_rx, i = 0; + + memset(pkts_burst, 0 , sizeof(pkts_burst)); + nb_rx = rte_eth_rx_burst((uint8_t)pkt_dpdk->portid, + (uint16_t)pkt_dpdk->queueid, + (struct rte_mbuf **)pkts_burst, (uint16_t)len); + for (i = 0; i < nb_rx; i++) + pkt_table[i] = (odp_packet_t)pkts_burst[i]; + return nb_rx; +} + +int send_pkt_dpdk(pkt_dpdk_t * const pkt_dpdk, odp_packet_t pkt_table[], + unsigned len) +{ + struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; + uint16_t i; + + for (i = 0; i < len; i++) + pkts_burst[i] = (struct rte_mbuf *)pkt_table[i]; + return rte_eth_tx_burst((uint8_t)pkt_dpdk->portid, + (uint16_t)pkt_dpdk->queueid, + (struct rte_mbuf **)pkts_burst, (uint16_t)len); +} diff --git a/platform/linux-dpdk/odp_packet_io.c b/platform/linux-dpdk/odp_packet_io.c new file mode 100644 index 0000000..d8d127f --- /dev/null +++ b/platform/linux-dpdk/odp_packet_io.c @@ -0,0 +1,419 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef ODP_HAVE_NETMAP +#include +#endif +#include +#include +#include +#include +#include + +#include +#ifdef ODP_HAVE_NETMAP +#include +#endif + +#include + +typedef struct { + pktio_entry_t entries[ODP_CONFIG_PKTIO_ENTRIES]; +} pktio_table_t; + +static pktio_table_t *pktio_tbl; + + +static pktio_entry_t *get_entry(odp_pktio_t id) +{ + if (odp_unlikely(id == ODP_PKTIO_INVALID || + id > ODP_CONFIG_PKTIO_ENTRIES)) + return NULL; + + return &pktio_tbl->entries[id - 1]; +} + +int odp_pktio_init_global(void) +{ + char name[ODP_QUEUE_NAME_LEN]; + pktio_entry_t *pktio_entry; + queue_entry_t *queue_entry; + odp_queue_t qid; + int id; + + pktio_tbl = odp_shm_reserve("odp_pktio_entries", + sizeof(pktio_table_t), + sizeof(pktio_entry_t)); + if (pktio_tbl == NULL) + return -1; + + memset(pktio_tbl, 0, sizeof(pktio_table_t)); + + for (id = 1; id <= ODP_CONFIG_PKTIO_ENTRIES; ++id) { + pktio_entry = get_entry(id); + + odp_spinlock_init(&pktio_entry->s.lock); + + /* Create a default output queue for each pktio resource */ + snprintf(name, sizeof(name), "%i-pktio_outq_default", (int)id); + name[ODP_QUEUE_NAME_LEN-1] = '\0'; + + qid = odp_queue_create(name, ODP_QUEUE_TYPE_PKTOUT, NULL); + if (qid == ODP_QUEUE_INVALID) + return -1; + pktio_entry->s.outq_default = qid; + + queue_entry = queue_to_qentry(qid); + queue_entry->s.pktout = id; + } + + return 0; +} + +int odp_pktio_init_local(void) +{ + return 0; +} + +static int is_free(pktio_entry_t *entry) +{ + return (entry->s.taken == 0); +} + +static void set_free(pktio_entry_t *entry) +{ + entry->s.taken = 0; +} + +static void set_taken(pktio_entry_t *entry) +{ + entry->s.taken = 1; +} + +static void lock_entry(pktio_entry_t *entry) +{ + odp_spinlock_lock(&entry->s.lock); +} + +static void unlock_entry(pktio_entry_t *entry) +{ + odp_spinlock_unlock(&entry->s.lock); +} + +static void init_pktio_entry(pktio_entry_t *entry, odp_pktio_params_t *params) +{ + set_taken(entry); + entry->s.inq_default = ODP_QUEUE_INVALID; + memset(&entry->s.pkt_dpdk, 0, sizeof(entry->s.pkt_dpdk)); + /* Save pktio parameters, type is the most useful */ + memcpy(&entry->s.params, params, sizeof(*params)); +} + +static odp_pktio_t alloc_lock_pktio_entry(odp_pktio_params_t *params) +{ + odp_pktio_t id; + pktio_entry_t *entry; + int i; + + for (i = 0; i < ODP_CONFIG_PKTIO_ENTRIES; ++i) { + entry = &pktio_tbl->entries[i]; + if (is_free(entry)) { + lock_entry(entry); + if (is_free(entry)) { + init_pktio_entry(entry, params); + id = i + 1; + return id; /* return with entry locked! */ + } + unlock_entry(entry); + } + } + + return ODP_PKTIO_INVALID; +} + +static int free_pktio_entry(odp_pktio_t id) +{ + pktio_entry_t *entry = get_entry(id); + + if (entry == NULL) + return -1; + + set_free(entry); + + return 0; +} + +odp_pktio_t odp_pktio_open(const char *dev, odp_buffer_pool_t pool, + odp_pktio_params_t *params) +{ + odp_pktio_t id; + pktio_entry_t *pktio_entry; + int res; + + if (params == NULL) { + ODP_ERR("Invalid pktio params\n"); + return ODP_PKTIO_INVALID; + } + + ODP_DBG("Allocating dpdk pktio\n"); + + id = alloc_lock_pktio_entry(params); + if (id == ODP_PKTIO_INVALID) { + ODP_ERR("No resources available.\n"); + return ODP_PKTIO_INVALID; + } + /* if successful, alloc_pktio_entry() returns with the entry locked */ + + pktio_entry = get_entry(id); + + res = setup_pkt_dpdk(&pktio_entry->s.pkt_dpdk, dev, pool); + if (res == -1) { + close_pkt_dpdk(&pktio_entry->s.pkt_dpdk); + free_pktio_entry(id); + id = ODP_PKTIO_INVALID; + } + + unlock_entry(pktio_entry); + return id; +} + +int odp_pktio_close(odp_pktio_t id) +{ + pktio_entry_t *entry; + int res = -1; + + entry = get_entry(id); + if (entry == NULL) + return -1; + + lock_entry(entry); + if (!is_free(entry)) { + res = close_pkt_dpdk(&entry->s.pkt_dpdk); + res |= free_pktio_entry(id); + } + unlock_entry(entry); + + if (res != 0) + return -1; + + return 0; +} + +void odp_pktio_set_input(odp_packet_t pkt, odp_pktio_t pktio) +{ + odp_packet_hdr(pkt)->input = pktio; +} + +odp_pktio_t odp_pktio_get_input(odp_packet_t pkt) +{ + return odp_packet_hdr(pkt)->input; +} + +int odp_pktio_recv(odp_pktio_t id, odp_packet_t pkt_table[], unsigned len) +{ + pktio_entry_t *pktio_entry = get_entry(id); + int pkts; + int i; + + if (pktio_entry == NULL) + return -1; + + lock_entry(pktio_entry); + pkts = recv_pkt_dpdk(&pktio_entry->s.pkt_dpdk, pkt_table, len); + unlock_entry(pktio_entry); + if (pkts < 0) + return pkts; + + for (i = 0; i < pkts; ++i) + odp_pktio_set_input(pkt_table[i], id); + + return pkts; +} + +int odp_pktio_send(odp_pktio_t id, odp_packet_t pkt_table[], unsigned len) +{ + pktio_entry_t *pktio_entry = get_entry(id); + int pkts; + + if (pktio_entry == NULL) + return -1; + + lock_entry(pktio_entry); + pkts = send_pkt_dpdk(&pktio_entry->s.pkt_dpdk, + pkt_table, len); + unlock_entry(pktio_entry); + + return pkts; +} + +int odp_pktio_inq_setdef(odp_pktio_t id, odp_queue_t queue) +{ + pktio_entry_t *pktio_entry = get_entry(id); + queue_entry_t *qentry = queue_to_qentry(queue); + + if (pktio_entry == NULL || qentry == NULL) + return -1; + + if (qentry->s.type != ODP_QUEUE_TYPE_PKTIN) + return -1; + + lock_entry(pktio_entry); + pktio_entry->s.inq_default = queue; + unlock_entry(pktio_entry); + + queue_lock(qentry); + qentry->s.pktin = id; + qentry->s.status = QUEUE_STATUS_SCHED; + queue_unlock(qentry); + + odp_schedule_queue(queue, qentry->s.param.sched.prio); + + return 0; +} + +int odp_pktio_inq_remdef(odp_pktio_t id) +{ + return odp_pktio_inq_setdef(id, ODP_QUEUE_INVALID); +} + +odp_queue_t odp_pktio_inq_getdef(odp_pktio_t id) +{ + pktio_entry_t *pktio_entry = get_entry(id); + + if (pktio_entry == NULL) + return ODP_QUEUE_INVALID; + + return pktio_entry->s.inq_default; +} + +odp_queue_t odp_pktio_outq_getdef(odp_pktio_t id) +{ + pktio_entry_t *pktio_entry = get_entry(id); + + if (pktio_entry == NULL) + return ODP_QUEUE_INVALID; + + return pktio_entry->s.outq_default; +} + +int pktout_enqueue(queue_entry_t *qentry, odp_buffer_hdr_t *buf_hdr) +{ + odp_packet_t pkt = odp_packet_from_buffer((odp_buffer_t) buf_hdr); + int len = 1; + int nbr; + + nbr = odp_pktio_send(qentry->s.pktout, &pkt, len); + return (nbr == len ? 0 : -1); +} + +odp_buffer_hdr_t *pktout_dequeue(queue_entry_t *qentry) +{ + (void)qentry; + return NULL; +} + +int pktout_enq_multi(queue_entry_t *qentry, odp_buffer_hdr_t *buf_hdr[], + int num) +{ + odp_packet_t pkt_tbl[QUEUE_MULTI_MAX]; + int nbr; + int i; + + for (i = 0; i < num; ++i) + pkt_tbl[i] = odp_packet_from_buffer((odp_buffer_t) buf_hdr[i]); + + nbr = odp_pktio_send(qentry->s.pktout, pkt_tbl, num); + return (nbr == num ? 0 : -1); +} + +int pktout_deq_multi(queue_entry_t *qentry, odp_buffer_hdr_t *buf_hdr[], + int num) +{ + (void)qentry; + (void)buf_hdr; + (void)num; + + return 0; +} + +int pktin_enqueue(queue_entry_t *qentry, odp_buffer_hdr_t *buf_hdr) +{ + /* Use default action */ + return queue_enq(qentry, buf_hdr); +} + +odp_buffer_hdr_t *pktin_dequeue(queue_entry_t *qentry) +{ + odp_buffer_hdr_t *buf_hdr; + + buf_hdr = queue_deq(qentry); + + if (buf_hdr == NULL) { + odp_packet_t pkt; + odp_buffer_t buf; + odp_packet_t pkt_tbl[QUEUE_MULTI_MAX]; + odp_buffer_hdr_t *tmp_hdr_tbl[QUEUE_MULTI_MAX]; + int pkts, i, j; + + pkts = odp_pktio_recv(qentry->s.pktin, pkt_tbl, + QUEUE_MULTI_MAX); + + if (pkts > 0) { + pkt = pkt_tbl[0]; + buf = odp_buffer_from_packet(pkt); + buf_hdr = odp_buf_to_hdr(buf); + + for (i = 1, j = 0; i < pkts; ++i) { + buf = odp_buffer_from_packet(pkt_tbl[i]); + tmp_hdr_tbl[j++] = odp_buf_to_hdr(buf); + } + queue_enq_multi(qentry, tmp_hdr_tbl, j); + } + } + + return buf_hdr; +} + +int pktin_enq_multi(queue_entry_t *qentry, odp_buffer_hdr_t *buf_hdr[], int num) +{ + /* Use default action */ + return queue_enq_multi(qentry, buf_hdr, num); +} + +int pktin_deq_multi(queue_entry_t *qentry, odp_buffer_hdr_t *buf_hdr[], int num) +{ + int nbr; + + nbr = queue_deq_multi(qentry, buf_hdr, num); + + if (nbr < num) { + odp_packet_t pkt_tbl[QUEUE_MULTI_MAX]; + odp_buffer_hdr_t *tmp_hdr_tbl[QUEUE_MULTI_MAX]; + odp_buffer_t buf; + int pkts, i; + + pkts = odp_pktio_recv(qentry->s.pktin, pkt_tbl, + QUEUE_MULTI_MAX); + if (pkts > 0) { + for (i = 0; i < pkts; ++i) { + buf = odp_buffer_from_packet(pkt_tbl[i]); + tmp_hdr_tbl[i] = odp_buf_to_hdr(buf); + } + queue_enq_multi(qentry, tmp_hdr_tbl, pkts); + } + } + + return nbr; +} diff --git a/platform/linux-dpdk/odp_queue.c b/platform/linux-dpdk/odp_queue.c new file mode 100644 index 0000000..554b8ea --- /dev/null +++ b/platform/linux-dpdk/odp_queue.c @@ -0,0 +1,435 @@ +/* Copyright (c) 2013, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef USE_TICKETLOCK +#include +#define LOCK(a) odp_ticketlock_lock(a) +#define UNLOCK(a) odp_ticketlock_unlock(a) +#define LOCK_INIT(a) odp_ticketlock_init(a) +#else +#include +#define LOCK(a) odp_spinlock_lock(a) +#define UNLOCK(a) odp_spinlock_unlock(a) +#define LOCK_INIT(a) odp_spinlock_init(a) +#endif + +#include + + +typedef struct queue_table_t { + queue_entry_t queue[ODP_CONFIG_QUEUES]; +} queue_table_t; + +static queue_table_t *queue_tbl; + + +queue_entry_t *get_qentry(uint32_t queue_id) +{ + return &queue_tbl->queue[queue_id]; +} + +static void queue_init(queue_entry_t *queue, const char *name, + odp_queue_type_t type, odp_queue_param_t *param) +{ + strncpy(queue->s.name, name, ODP_QUEUE_NAME_LEN - 1); + queue->s.type = type; + + if (param) { + memcpy(&queue->s.param, param, sizeof(odp_queue_param_t)); + } else { + /* Defaults */ + memset(&queue->s.param, 0, sizeof(odp_queue_param_t)); + queue->s.param.sched.prio = ODP_SCHED_PRIO_DEFAULT; + queue->s.param.sched.sync = ODP_SCHED_SYNC_DEFAULT; + queue->s.param.sched.group = ODP_SCHED_GROUP_DEFAULT; + } + + switch (type) { + case ODP_QUEUE_TYPE_PKTIN: + queue->s.enqueue = pktin_enqueue; + queue->s.dequeue = pktin_dequeue; + queue->s.enqueue_multi = pktin_enq_multi; + queue->s.dequeue_multi = pktin_deq_multi; + break; + case ODP_QUEUE_TYPE_PKTOUT: + queue->s.enqueue = pktout_enqueue; + queue->s.dequeue = pktout_dequeue; + queue->s.enqueue_multi = pktout_enq_multi; + queue->s.dequeue_multi = pktout_deq_multi; + break; + default: + queue->s.enqueue = queue_enq; + queue->s.dequeue = queue_deq; + queue->s.enqueue_multi = queue_enq_multi; + queue->s.dequeue_multi = queue_deq_multi; + break; + } + + queue->s.head = NULL; + queue->s.tail = NULL; + queue->s.sched_buf = ODP_BUFFER_INVALID; +} + + +int odp_queue_init_global(void) +{ + uint32_t i; + + ODP_DBG("Queue init ... "); + + queue_tbl = odp_shm_reserve("odp_queues", + sizeof(queue_table_t), + sizeof(queue_entry_t)); + + if (queue_tbl == NULL) + return -1; + + memset(queue_tbl, 0, sizeof(queue_table_t)); + + for (i = 0; i < ODP_CONFIG_QUEUES; i++) { + /* init locks */ + queue_entry_t *queue = get_qentry(i); + LOCK_INIT(&queue->s.lock); + queue->s.handle = queue_from_id(i); + } + + ODP_DBG("done\n"); + ODP_DBG("Queue init global\n"); + ODP_DBG(" struct queue_entry_s size %zu\n", + sizeof(struct queue_entry_s)); + ODP_DBG(" queue_entry_t size %zu\n", + sizeof(queue_entry_t)); + ODP_DBG("\n"); + + return 0; +} + +odp_queue_type_t odp_queue_type(odp_queue_t handle) +{ + queue_entry_t *queue; + + queue = queue_to_qentry(handle); + + return queue->s.type; +} + +odp_schedule_sync_t odp_queue_sched_type(odp_queue_t handle) +{ + queue_entry_t *queue; + + queue = queue_to_qentry(handle); + + return queue->s.param.sched.sync; +} + +odp_queue_t odp_queue_create(const char *name, odp_queue_type_t type, + odp_queue_param_t *param) +{ + uint32_t i; + queue_entry_t *queue; + odp_queue_t handle = ODP_QUEUE_INVALID; + + for (i = 0; i < ODP_CONFIG_QUEUES; i++) { + queue = &queue_tbl->queue[i]; + + if (queue->s.status != QUEUE_STATUS_FREE) + continue; + + LOCK(&queue->s.lock); + if (queue->s.status == QUEUE_STATUS_FREE) { + queue_init(queue, name, type, param); + + if (type == ODP_QUEUE_TYPE_SCHED || + type == ODP_QUEUE_TYPE_PKTIN) + queue->s.status = QUEUE_STATUS_NOTSCHED; + else + queue->s.status = QUEUE_STATUS_READY; + + handle = queue->s.handle; + UNLOCK(&queue->s.lock); + break; + } + UNLOCK(&queue->s.lock); + } + + if (handle != ODP_QUEUE_INVALID && + (type == ODP_QUEUE_TYPE_SCHED || type == ODP_QUEUE_TYPE_PKTIN)) { + odp_buffer_t buf; + + buf = odp_schedule_buffer_alloc(handle); + if (buf == ODP_BUFFER_INVALID) { + ODP_ERR("queue_init: sched buf alloc failed\n"); + return ODP_QUEUE_INVALID; + } + + queue->s.sched_buf = buf; + odp_schedule_mask_set(handle, queue->s.param.sched.prio); + } + + return handle; +} + + +odp_buffer_t queue_sched_buf(odp_queue_t handle) +{ + queue_entry_t *queue; + queue = queue_to_qentry(handle); + + return queue->s.sched_buf; +} + + +int queue_sched_atomic(odp_queue_t handle) +{ + queue_entry_t *queue; + queue = queue_to_qentry(handle); + + return queue->s.param.sched.sync == ODP_SCHED_SYNC_ATOMIC; +} + + +odp_queue_t odp_queue_lookup(const char *name) +{ + uint32_t i; + + for (i = 0; i < ODP_CONFIG_QUEUES; i++) { + queue_entry_t *queue = &queue_tbl->queue[i]; + + if (queue->s.status == QUEUE_STATUS_FREE) + continue; + + LOCK(&queue->s.lock); + if (strcmp(name, queue->s.name) == 0) { + /* found it */ + UNLOCK(&queue->s.lock); + return queue->s.handle; + } + UNLOCK(&queue->s.lock); + } + + return ODP_QUEUE_INVALID; +} + + +int queue_enq(queue_entry_t *queue, odp_buffer_hdr_t *buf_hdr) +{ + int sched = 0; + + LOCK(&queue->s.lock); + if (queue->s.head == NULL) { + /* Empty queue */ + queue->s.head = buf_hdr; + queue->s.tail = buf_hdr; + buf_hdr->pkt.next = NULL; + } else { + queue->s.tail->pkt.next = buf_hdr; + queue->s.tail = buf_hdr; + buf_hdr->pkt.next = NULL; + } + + if (queue->s.status == QUEUE_STATUS_NOTSCHED) { + queue->s.status = QUEUE_STATUS_SCHED; + sched = 1; /* retval: schedule queue */ + } + UNLOCK(&queue->s.lock); + + /* Add queue to scheduling */ + if (sched == 1) + odp_schedule_queue(queue->s.handle, queue->s.param.sched.prio); + + return 0; +} + + +int queue_enq_multi(queue_entry_t *queue, odp_buffer_hdr_t *buf_hdr[], int num) +{ + int sched = 0; + int i; + odp_buffer_hdr_t *tail; + + for (i = 0; i < num - 1; i++) + buf_hdr[i]->pkt.next = buf_hdr[i+1]; + + tail = buf_hdr[num-1]; + buf_hdr[num-1]->pkt.next = NULL; + + LOCK(&queue->s.lock); + /* Empty queue */ + if (queue->s.head == NULL) + queue->s.head = buf_hdr[0]; + else + queue->s.tail->pkt.next = buf_hdr[0]; + + queue->s.tail = tail; + + if (queue->s.status == QUEUE_STATUS_NOTSCHED) { + queue->s.status = QUEUE_STATUS_SCHED; + sched = 1; /* retval: schedule queue */ + } + UNLOCK(&queue->s.lock); + + /* Add queue to scheduling */ + if (sched == 1) + odp_schedule_queue(queue->s.handle, queue->s.param.sched.prio); + + return 0; +} + + +int odp_queue_enq_multi(odp_queue_t handle, odp_buffer_t buf[], int num) +{ + odp_buffer_hdr_t *buf_hdr[QUEUE_MULTI_MAX]; + queue_entry_t *queue; + int i; + + if (num > QUEUE_MULTI_MAX) + num = QUEUE_MULTI_MAX; + + queue = queue_to_qentry(handle); + + for (i = 0; i < num; i++) + buf_hdr[i] = odp_buf_to_hdr(buf[i]); + + return queue->s.enqueue_multi(queue, buf_hdr, num); +} + + +int odp_queue_enq(odp_queue_t handle, odp_buffer_t buf) +{ + odp_buffer_hdr_t *buf_hdr; + queue_entry_t *queue; + + queue = queue_to_qentry(handle); + buf_hdr = odp_buf_to_hdr(buf); + + return queue->s.enqueue(queue, buf_hdr); +} + + +odp_buffer_hdr_t *queue_deq(queue_entry_t *queue) +{ + odp_buffer_hdr_t *buf_hdr = NULL; + + LOCK(&queue->s.lock); + + if (queue->s.head == NULL) { + /* Already empty queue */ + if (queue->s.status == QUEUE_STATUS_SCHED && + queue->s.type != ODP_QUEUE_TYPE_PKTIN) + queue->s.status = QUEUE_STATUS_NOTSCHED; + } else { + buf_hdr = queue->s.head; + queue->s.head = buf_hdr->pkt.next; + buf_hdr->pkt.next = NULL; + + if (queue->s.head == NULL) { + /* Queue is now empty */ + queue->s.tail = NULL; + } + } + + UNLOCK(&queue->s.lock); + + return buf_hdr; +} + + +int queue_deq_multi(queue_entry_t *queue, odp_buffer_hdr_t *buf_hdr[], int num) +{ + int i = 0; + + LOCK(&queue->s.lock); + + if (queue->s.head == NULL) { + /* Already empty queue */ + if (queue->s.status == QUEUE_STATUS_SCHED && + queue->s.type != ODP_QUEUE_TYPE_PKTIN) + queue->s.status = QUEUE_STATUS_NOTSCHED; + } else { + odp_buffer_hdr_t *hdr = queue->s.head; + + for (; i < num && hdr; i++) { + buf_hdr[i] = hdr; + /* odp_prefetch(hdr->addr); */ + hdr = hdr->pkt.next; + buf_hdr[i]->pkt.next = NULL; + } + + queue->s.head = hdr; + + if (hdr == NULL) { + /* Queue is now empty */ + queue->s.tail = NULL; + } + } + + UNLOCK(&queue->s.lock); + + return i; +} + + +int odp_queue_deq_multi(odp_queue_t handle, odp_buffer_t buf[], int num) +{ + queue_entry_t *queue; + odp_buffer_hdr_t *buf_hdr[QUEUE_MULTI_MAX]; + int i, ret; + + if (num > QUEUE_MULTI_MAX) + num = QUEUE_MULTI_MAX; + + queue = queue_to_qentry(handle); + + ret = queue->s.dequeue_multi(queue, buf_hdr, num); + + for (i = 0; i < ret; i++) + buf[i] = (odp_buffer_t) buf_hdr[i]; + + return ret; +} + + +odp_buffer_t odp_queue_deq(odp_queue_t handle) +{ + queue_entry_t *queue; + odp_buffer_hdr_t *buf_hdr; + + queue = queue_to_qentry(handle); + buf_hdr = queue->s.dequeue(queue); + + if (buf_hdr) + return (odp_buffer_t) buf_hdr; + + return ODP_BUFFER_INVALID; +} + + +void queue_lock(queue_entry_t *queue) +{ + LOCK(&queue->s.lock); +} + + +void queue_unlock(queue_entry_t *queue) +{ + UNLOCK(&queue->s.lock); +}