Signed-off-by: Robbie King <[email protected]>
---
example/ipsec/odp_ipsec_loop_db.c | 54 ++++++++++++++++
example/ipsec/odp_ipsec_loop_db.h | 128 +++++++++++++++++++++++++++++++++++++
2 files changed, 182 insertions(+), 0 deletions(-)
create mode 100644 example/ipsec/odp_ipsec_loop_db.c
create mode 100644 example/ipsec/odp_ipsec_loop_db.h
diff --git a/example/ipsec/odp_ipsec_loop_db.c
b/example/ipsec/odp_ipsec_loop_db.c
new file mode 100644
index 0000000..440aa07
--- /dev/null
+++ b/example/ipsec/odp_ipsec_loop_db.c
@@ -0,0 +1,54 @@
+/* Copyright (c) 2014, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <odp.h>
+#include <odp_align.h>
+#include <odp_crypto.h>
+
+#include <odp_ipsec_loop_db.h>
+
+loopback_db_t *loopback_db;
+
+void init_loopback_db(void)
+{
+ int idx;
+
+ loopback_db = odp_shm_reserve("loopback_db",
+ sizeof(loopback_db_t),
+ ODP_CACHE_LINE_SIZE);
+ if (loopback_db == NULL) {
+ ODP_ERR("Error: shared mem alloc failed.\n");
+ exit(EXIT_FAILURE);
+ }
+ memset(loopback_db, 0, sizeof(*loopback_db));
+
+ for (idx = 0; idx < MAX_LOOPBACK; idx++) {
+ loopback_db->intf[idx].inq_def = ODP_QUEUE_INVALID;
+ loopback_db->intf[idx].outq_def = ODP_QUEUE_INVALID;
+ }
+}
+
+void create_loopback_db_entry(int idx,
+ odp_queue_t inq_def,
+ odp_queue_t outq_def,
+ odp_buffer_pool_t pkt_pool)
+{
+ loopback_db_entry_t *entry = &loopback_db->intf[idx];
+
+ /* Save queues */
+ entry->inq_def = inq_def;
+ entry->outq_def = outq_def;
+ entry->pkt_pool = pkt_pool;
+
+ /* Create dummy MAC address */
+ memset(entry->mac, (0xF0 | idx), sizeof(entry->mac));
+}
+
+
+
diff --git a/example/ipsec/odp_ipsec_loop_db.h
b/example/ipsec/odp_ipsec_loop_db.h
new file mode 100644
index 0000000..3b6c864
--- /dev/null
+++ b/example/ipsec/odp_ipsec_loop_db.h
@@ -0,0 +1,128 @@
+/* Copyright (c) 2014, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef ODP_IPSEC_LOOP_DB_H_
+#define ODP_IPSEC_LOOP_DB_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <odp.h>
+#include <odp_ipsec_misc.h>
+
+/**
+ * Loopback database entry structure
+ */
+typedef struct loopback_db_entry_s {
+ odp_queue_t inq_def;
+ odp_queue_t outq_def;
+ odp_buffer_pool_t pkt_pool;
+ uint8_t mac[6];
+} loopback_db_entry_t;
+
+typedef struct loopback_db_s {
+ loopback_db_entry_t intf[MAX_LOOPBACK];
+} loopback_db_t;
+
+extern loopback_db_t *loopback_db;
+
+/** Initialize loopback database global control structure */
+void init_loopback_db(void);
+
+/**
+ * Create loopback DB entry for an interface
+ *
+ * Loopback interfaces are specified from command line with
+ * an index 0-9.
+ *
+ * @param idx Index of interface in database
+ * @param inq_def Input queue
+ * @param outq_def Output queue
+ * @param pkt_pool Pool to create packets from
+ */
+void create_loopback_db_entry(int idx,
+ odp_queue_t inq_def,
+ odp_queue_t outq_def,
+ odp_buffer_pool_t pkt_pool);
+
+/**
+ * Parse loop interface index
+ *
+ * @param b Pointer to buffer to parse
+ *
+ * @return interface index (0 to (MAX_LOOPBACK - 1)) else -1
+ */
+static inline
+int loop_if_index(char *b)
+{
+ int ret;
+ int idx;
+
+ /* Derive loopback interface index */
+ ret = sscanf(b, "loop%d", &idx);
+ if ((1 != ret) || (idx < 0) || (idx >= MAX_LOOPBACK))
+ return -1;
+ return idx;
+}
+
+/**
+ * Query loopback DB entry MAC address
+ *
+ * @param idx Loopback DB index of the interface
+ *
+ * @return MAC address pointer
+ */
+static inline
+uint8_t *query_loopback_db_mac(int idx)
+{
+ return loopback_db->intf[idx].mac;
+}
+
+/**
+ * Query loopback DB entry input queue
+ *
+ * @param idx Loopback DB index of the interface
+ *
+ * @return ODP queue
+ */
+static inline
+odp_queue_t query_loopback_db_inq(int idx)
+{
+ return loopback_db->intf[idx].inq_def;
+}
+
+/**
+ * Query loopback DB entry output queue
+ *
+ * @param idx Loopback DB index of the interface
+ *
+ * @return ODP queue
+ */
+static inline
+odp_queue_t query_loopback_db_outq(int idx)
+{
+ return loopback_db->intf[idx].outq_def;
+}
+
+/**
+ * Query loopback DB entry packet pool
+ *
+ * @param idx Loopback DB index of the interface
+ *
+ * @return ODP buffer pool
+ */
+static inline
+odp_buffer_pool_t query_loopback_db_pkt_pool(int idx)
+{
+ return loopback_db->intf[idx].pkt_pool;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--
1.7.7.6
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