From f2546f8e51b8ee6f55303aef443b609bee38d9ee Mon Sep 17 00:00:00 2001 From: Kamil Rytarowski Date: Fri, 30 Sep 2016 14:05:42 +0200 Subject: [PATCH] net/thunderx/base: add functions to store qsets This interface (nicvf_bsvf) will be used for secondary queue set support. Signed-off-by: Maciej Czekaj Signed-off-by: Kamil Rytarowski Signed-off-by: Zyta Szpak Signed-off-by: Slawomir Rosek Signed-off-by: Radoslaw Biernacki Signed-off-by: Jerin Jacob --- drivers/net/thunderx/Makefile | 1 + drivers/net/thunderx/base/nicvf_bsvf.c | 72 ++++++++++++++++++++++++ drivers/net/thunderx/base/nicvf_bsvf.h | 76 ++++++++++++++++++++++++++ 3 files changed, 149 insertions(+) create mode 100644 drivers/net/thunderx/base/nicvf_bsvf.c create mode 100644 drivers/net/thunderx/base/nicvf_bsvf.h diff --git a/drivers/net/thunderx/Makefile b/drivers/net/thunderx/Makefile index 8ea6b454c6..711400a29d 100644 --- a/drivers/net/thunderx/Makefile +++ b/drivers/net/thunderx/Makefile @@ -57,6 +57,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += nicvf_rxtx.c SRCS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += nicvf_hw.c SRCS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += nicvf_mbox.c SRCS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += nicvf_ethdev.c +SRCS-$(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD) += nicvf_bsvf.c ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y) CFLAGS_nicvf_rxtx.o += -fno-prefetch-loop-arrays diff --git a/drivers/net/thunderx/base/nicvf_bsvf.c b/drivers/net/thunderx/base/nicvf_bsvf.c new file mode 100644 index 0000000000..9e028a3acf --- /dev/null +++ b/drivers/net/thunderx/base/nicvf_bsvf.c @@ -0,0 +1,72 @@ +/* + * BSD LICENSE + * + * Copyright (C) Cavium networks Ltd. 2016. + * + * 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 Cavium networks 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 +#include +#include + +#include "nicvf_bsvf.h" +#include "nicvf_plat.h" + +static SIMPLEQ_HEAD(, svf_entry) head = SIMPLEQ_HEAD_INITIALIZER(head); + +void +nicvf_bsvf_push(struct svf_entry *entry) +{ + assert(entry != NULL); + assert(entry->vf != NULL); + + SIMPLEQ_INSERT_TAIL(&head, entry, next); +} + +struct svf_entry * +nicvf_bsvf_pop(void) +{ + struct svf_entry *entry; + + assert(!SIMPLEQ_EMPTY(&head)); + + entry = SIMPLEQ_FIRST(&head); + + assert(entry != NULL); + assert(entry->vf != NULL); + + SIMPLEQ_REMOVE_HEAD(&head, next); + + return entry; +} + +int +nicvf_bsvf_empty(void) +{ + return SIMPLEQ_EMPTY(&head); +} diff --git a/drivers/net/thunderx/base/nicvf_bsvf.h b/drivers/net/thunderx/base/nicvf_bsvf.h new file mode 100644 index 0000000000..5d5a25e2de --- /dev/null +++ b/drivers/net/thunderx/base/nicvf_bsvf.h @@ -0,0 +1,76 @@ +/* + * BSD LICENSE + * + * Copyright (C) Cavium networks Ltd. 2016. + * + * 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 Cavium networks 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 __THUNDERX_NICVF_BSVF_H__ +#define __THUNDERX_NICVF_BSVF_H__ + +#include + +struct nicvf; + +/** + * The base queue structure to hold secondary qsets. + */ +struct svf_entry { + SIMPLEQ_ENTRY(svf_entry) next; /**< Next element's pointer */ + struct nicvf *vf; /**< Holder of a secondary qset */ +}; + +/** + * Enqueue new entry to secondary qsets. + * + * @param entry + * Entry to be enqueued. + */ +void +nicvf_bsvf_push(struct svf_entry *entry); + +/** + * Dequeue an entry from secondary qsets. + * + * @return + * Dequeued entry. + */ +struct svf_entry * +nicvf_bsvf_pop(void); + +/** + * Check if the queue of secondary qsets is empty. + * + * @return + * 0 on non-empty + * otherwise empty + */ +int +nicvf_bsvf_empty(void); + +#endif /* __THUNDERX_NICVF_BSVF_H__ */ -- 2.20.1