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From: Nipun Gupta <nipun.gupta@nxp.com>
To: thomas@monjalon.net,
hemant.agrawal@nxp.com,
shreyansh.jain@nxp.com
Cc: dev@dpdk.org,
Nipun Gupta <nipun.gupta@nxp.com>
Date: Thu, 22 Feb 2018 15:04:41 +0530
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Subject: [dpdk-dev] [PATCH 1/9] mempool/dpaa2: add functions exposed to DPDK
applications
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There are two API's which are required by NXP specific Command Interface
Application (AIOP CMDIF). This patch exposes these two API's.
Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
---
doc/api/doxy-api-index.md | 1 +
doc/api/doxy-api.conf | 1 +
drivers/mempool/dpaa2/Makefile | 2 +
drivers/mempool/dpaa2/dpaa2_hw_mempool.c | 30 ++++++++++++
drivers/mempool/dpaa2/rte_dpaa2_mempool.h | 53 ++++++++++++++++++++++
.../mempool/dpaa2/rte_mempool_dpaa2_version.map | 8 ++++
6 files changed, 95 insertions(+)
create mode 100644 drivers/mempool/dpaa2/rte_dpaa2_mempool.h
diff --git a/doc/api/doxy-api-index.md b/doc/api/doxy-api-index.md
index d77f205..49fcec4 100644
--- a/doc/api/doxy-api-index.md
+++ b/doc/api/doxy-api-index.md
@@ -63,6 +63,7 @@ The public API headers are grouped by topics:
[i40e] (@ref rte_pmd_i40e.h),
[bnxt] (@ref rte_pmd_bnxt.h),
[dpaa] (@ref rte_pmd_dpaa.h),
+ [dpaa2] (@ref rte_dpaa2_mempool.h),
[crypto_scheduler] (@ref rte_cryptodev_scheduler.h)
- **memory**:
diff --git a/doc/api/doxy-api.conf b/doc/api/doxy-api.conf
index cda52fd..59cb580 100644
--- a/doc/api/doxy-api.conf
+++ b/doc/api/doxy-api.conf
@@ -31,6 +31,7 @@
PROJECT_NAME = DPDK
INPUT = doc/api/doxy-api-index.md \
drivers/crypto/scheduler \
+ drivers/mempool/dpaa2 \
drivers/net/bnxt \
drivers/net/bonding \
drivers/net/dpaa \
diff --git a/drivers/mempool/dpaa2/Makefile b/drivers/mempool/dpaa2/Makefile
index efaac96..c9c2511 100644
--- a/drivers/mempool/dpaa2/Makefile
+++ b/drivers/mempool/dpaa2/Makefile
@@ -34,4 +34,6 @@ SRCS-$(CONFIG_RTE_LIBRTE_DPAA2_MEMPOOL) += dpaa2_hw_mempool.c
LDLIBS += -lrte_bus_fslmc
LDLIBS += -lrte_eal -lrte_mempool -lrte_ring
+SYMLINK-$(CONFIG_RTE_LIBRTE_DPAA2_MEMPOOL)-include := rte_dpaa2_mempool.h
+
include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/mempool/dpaa2/dpaa2_hw_mempool.c b/drivers/mempool/dpaa2/dpaa2_hw_mempool.c
index 2bd62e8..7d35530 100644
--- a/drivers/mempool/dpaa2/dpaa2_hw_mempool.c
+++ b/drivers/mempool/dpaa2/dpaa2_hw_mempool.c
@@ -21,6 +21,7 @@
#include <rte_cycles.h>
#include <rte_kvargs.h>
#include <rte_dev.h>
+#include "rte_dpaa2_mempool.h"
#include <fslmc_logs.h>
#include <mc/fsl_dpbp.h>
@@ -233,6 +234,35 @@
}
}
+uint16_t
+rte_dpaa2_mbuf_pool_bpid(struct rte_mempool *mp)
+{
+ struct dpaa2_bp_info *bp_info;
+
+ bp_info = mempool_to_bpinfo(mp);
+ if (!(bp_info->bp_list)) {
+ RTE_LOG(ERR, PMD, "DPAA2 buffer pool not configured\n");
+ return -ENOMEM;
+ }
+
+ return bp_info->bpid;
+}
+
+struct rte_mbuf *
+rte_dpaa2_mbuf_from_buf_addr(struct rte_mempool *mp, void *buf_addr)
+{
+ struct dpaa2_bp_info *bp_info;
+
+ bp_info = mempool_to_bpinfo(mp);
+ if (!(bp_info->bp_list)) {
+ RTE_LOG(ERR, PMD, "DPAA2 buffer pool not configured\n");
+ return NULL;
+ }
+
+ return (struct rte_mbuf *)((uint8_t *)buf_addr -
+ bp_info->meta_data_size);
+}
+
int
rte_dpaa2_mbuf_alloc_bulk(struct rte_mempool *pool,
void **obj_table, unsigned int count)
diff --git a/drivers/mempool/dpaa2/rte_dpaa2_mempool.h b/drivers/mempool/dpaa2/rte_dpaa2_mempool.h
new file mode 100644
index 0000000..4a22b7c
--- /dev/null
+++ b/drivers/mempool/dpaa2/rte_dpaa2_mempool.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 NXP
+ */
+
+#ifndef __RTE_DPAA2_MEMPOOL_H__
+#define __RTE_DPAA2_MEMPOOL_H__
+
+/**
+ * @file
+ *
+ * NXP specific mempool related functions.
+ *
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rte_mempool.h>
+
+/**
+ * Get BPID corresponding to the packet pool
+ *
+ * @param mp
+ * memory pool
+ *
+ * @return
+ * BPID of the buffer pool
+ */
+uint16_t
+rte_dpaa2_mbuf_pool_bpid(struct rte_mempool *mp);
+
+/**
+ * Get MBUF from the corresponding 'buf_addr'
+ *
+ * @param mp
+ * memory pool
+ * @param buf_addr
+ * The 'buf_addr' of the mbuf. This is the start buffer address
+ * of the packet buffer (mbuf).
+ *
+ * @return
+ * - MBUF pointer for success
+ * - NULL in case of error
+ */
+struct rte_mbuf *
+rte_dpaa2_mbuf_from_buf_addr(struct rte_mempool *mp, void *buf_addr);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RTE_DPAA2_MEMPOOL_H__ */
diff --git a/drivers/mempool/dpaa2/rte_mempool_dpaa2_version.map b/drivers/mempool/dpaa2/rte_mempool_dpaa2_version.map
index a8aa685..b45e7a9 100644
--- a/drivers/mempool/dpaa2/rte_mempool_dpaa2_version.map
+++ b/drivers/mempool/dpaa2/rte_mempool_dpaa2_version.map
@@ -6,3 +6,11 @@ DPDK_17.05 {
local: *;
};
+
+DPDK_18.05 {
+ global:
+
+ rte_dpaa2_mbuf_from_buf_addr;
+ rte_dpaa2_mbuf_pool_bpid;
+
+} DPDK_17.05;
--
1.9.1