diff options
Diffstat (limited to 'src/seastar/dpdk/drivers/mempool/stack')
4 files changed, 134 insertions, 0 deletions
diff --git a/src/seastar/dpdk/drivers/mempool/stack/Makefile b/src/seastar/dpdk/drivers/mempool/stack/Makefile new file mode 100644 index 000000000..1681a62bc --- /dev/null +++ b/src/seastar/dpdk/drivers/mempool/stack/Makefile @@ -0,0 +1,25 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright 2017 NXP + +include $(RTE_SDK)/mk/rte.vars.mk + +# +# library name +# +LIB = librte_mempool_stack.a + +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) +CFLAGS += -DALLOW_EXPERIMENTAL_API + +# Headers +CFLAGS += -I$(RTE_SDK)/lib/librte_mempool +LDLIBS += -lrte_eal -lrte_mempool -lrte_stack + +EXPORT_MAP := rte_mempool_stack_version.map + +LIBABIVER := 1 + +SRCS-$(CONFIG_RTE_DRIVER_MEMPOOL_STACK) += rte_mempool_stack.c + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/src/seastar/dpdk/drivers/mempool/stack/meson.build b/src/seastar/dpdk/drivers/mempool/stack/meson.build new file mode 100644 index 000000000..03e369a41 --- /dev/null +++ b/src/seastar/dpdk/drivers/mempool/stack/meson.build @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2017-2019 Intel Corporation + +allow_experimental_apis = true + +sources = files('rte_mempool_stack.c') + +deps += ['stack'] diff --git a/src/seastar/dpdk/drivers/mempool/stack/rte_mempool_stack.c b/src/seastar/dpdk/drivers/mempool/stack/rte_mempool_stack.c new file mode 100644 index 000000000..7e85c8d6b --- /dev/null +++ b/src/seastar/dpdk/drivers/mempool/stack/rte_mempool_stack.c @@ -0,0 +1,97 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016-2019 Intel Corporation + */ + +#include <stdio.h> +#include <rte_mempool.h> +#include <rte_stack.h> + +static int +__stack_alloc(struct rte_mempool *mp, uint32_t flags) +{ + char name[RTE_STACK_NAMESIZE]; + struct rte_stack *s; + int ret; + + ret = snprintf(name, sizeof(name), + RTE_MEMPOOL_MZ_FORMAT, mp->name); + if (ret < 0 || ret >= (int)sizeof(name)) { + rte_errno = ENAMETOOLONG; + return -rte_errno; + } + + s = rte_stack_create(name, mp->size, mp->socket_id, flags); + if (s == NULL) + return -rte_errno; + + mp->pool_data = s; + + return 0; +} + +static int +stack_alloc(struct rte_mempool *mp) +{ + return __stack_alloc(mp, 0); +} + +static int +lf_stack_alloc(struct rte_mempool *mp) +{ + return __stack_alloc(mp, RTE_STACK_F_LF); +} + +static int +stack_enqueue(struct rte_mempool *mp, void * const *obj_table, + unsigned int n) +{ + struct rte_stack *s = mp->pool_data; + + return rte_stack_push(s, obj_table, n) == 0 ? -ENOBUFS : 0; +} + +static int +stack_dequeue(struct rte_mempool *mp, void **obj_table, + unsigned int n) +{ + struct rte_stack *s = mp->pool_data; + + return rte_stack_pop(s, obj_table, n) == 0 ? -ENOBUFS : 0; +} + +static unsigned +stack_get_count(const struct rte_mempool *mp) +{ + struct rte_stack *s = mp->pool_data; + + return rte_stack_count(s); +} + +static void +stack_free(struct rte_mempool *mp) +{ + struct rte_stack *s = mp->pool_data; + + rte_stack_free(s); +} + +static struct rte_mempool_ops ops_stack = { + .name = "stack", + .alloc = stack_alloc, + .free = stack_free, + .enqueue = stack_enqueue, + .dequeue = stack_dequeue, + .get_count = stack_get_count +}; + +static struct rte_mempool_ops ops_lf_stack = { + .name = "lf_stack", + .alloc = lf_stack_alloc, + .free = stack_free, + .enqueue = stack_enqueue, + .dequeue = stack_dequeue, + .get_count = stack_get_count +}; + +MEMPOOL_REGISTER_OPS(ops_stack); +MEMPOOL_REGISTER_OPS(ops_lf_stack); diff --git a/src/seastar/dpdk/drivers/mempool/stack/rte_mempool_stack_version.map b/src/seastar/dpdk/drivers/mempool/stack/rte_mempool_stack_version.map new file mode 100644 index 000000000..8591cc0b1 --- /dev/null +++ b/src/seastar/dpdk/drivers/mempool/stack/rte_mempool_stack_version.map @@ -0,0 +1,4 @@ +DPDK_17.05 { + + local: *; +}; |