[dpdk-dev] [RFC 2/5] added --enable-representor command line argument in EAL to load representor broker infrastructure.

Mohammad Abdul Awal mohammad.abdul.awal at intel.com
Thu Sep 7 10:35:36 CEST 2017


Signed-off-by: Mohammad Abdul Awal <mohammad.abdul.awal at intel.com>
Signed-off-by: Remy Horton <remy.horton at intel.com>
Signed-off-by: Declan Doherty <declan.doherty at intel.com>
---
 lib/librte_eal/bsdapp/eal/eal.c            | 6 ++++++
 lib/librte_eal/common/eal_common_options.c | 1 +
 lib/librte_eal/common/eal_internal_cfg.h   | 2 ++
 lib/librte_eal/common/eal_options.h        | 2 ++
 lib/librte_eal/common/include/rte_eal.h    | 8 ++++++++
 lib/librte_eal/linuxapp/eal/eal.c          | 9 +++++++++
 6 files changed, 28 insertions(+)

diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c
index 5fa5988..d1a3c79 100644
--- a/lib/librte_eal/bsdapp/eal/eal.c
+++ b/lib/librte_eal/bsdapp/eal/eal.c
@@ -698,3 +698,9 @@ rte_eal_process_type(void)
 {
 	return rte_config.process_type;
 }
+
+/* return non-zero if port-representor is enabled. */
+int rte_representor_enabled(void)
+{
+	return internal_config.enable_representor;
+}
diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c
index 1da185e..f9c0b42 100644
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -78,6 +78,7 @@ const struct option
 eal_long_options[] = {
 	{OPT_BASE_VIRTADDR,     1, NULL, OPT_BASE_VIRTADDR_NUM    },
 	{OPT_CREATE_UIO_DEV,    0, NULL, OPT_CREATE_UIO_DEV_NUM   },
+	{OPT_ENABLE_REPRESENTOR, 0, NULL, OPT_ENABLE_REPRESENTOR_NUM   },
 	{OPT_FILE_PREFIX,       1, NULL, OPT_FILE_PREFIX_NUM      },
 	{OPT_HELP,              0, NULL, OPT_HELP_NUM             },
 	{OPT_HUGE_DIR,          1, NULL, OPT_HUGE_DIR_NUM         },
diff --git a/lib/librte_eal/common/eal_internal_cfg.h b/lib/librte_eal/common/eal_internal_cfg.h
index 7b7e8c8..d0b3080 100644
--- a/lib/librte_eal/common/eal_internal_cfg.h
+++ b/lib/librte_eal/common/eal_internal_cfg.h
@@ -72,6 +72,8 @@ struct internal_config {
 										* instead of native TSC */
 	volatile unsigned no_shconf;      /**< true if there is no shared config */
 	volatile unsigned create_uio_dev; /**< true to create /dev/uioX devices */
+	volatile unsigned enable_representor;
+	/**< true to enable port representor broker for all PFs */
 	volatile enum rte_proc_type_t process_type; /**< multi-process proc type */
 	/** true to try allocating memory on specific sockets */
 	volatile unsigned force_sockets;
diff --git a/lib/librte_eal/common/eal_options.h b/lib/librte_eal/common/eal_options.h
index 439a261..a8be6e3 100644
--- a/lib/librte_eal/common/eal_options.h
+++ b/lib/librte_eal/common/eal_options.h
@@ -49,6 +49,8 @@ enum {
 	OPT_BASE_VIRTADDR_NUM,
 #define OPT_CREATE_UIO_DEV    "create-uio-dev"
 	OPT_CREATE_UIO_DEV_NUM,
+#define OPT_ENABLE_REPRESENTOR    "enable-representor"
+	OPT_ENABLE_REPRESENTOR_NUM,
 #define OPT_FILE_PREFIX       "file-prefix"
 	OPT_FILE_PREFIX_NUM,
 #define OPT_HUGE_DIR          "huge-dir"
diff --git a/lib/librte_eal/common/include/rte_eal.h b/lib/librte_eal/common/include/rte_eal.h
index 0e7363d..4d4a6ce 100644
--- a/lib/librte_eal/common/include/rte_eal.h
+++ b/lib/librte_eal/common/include/rte_eal.h
@@ -287,6 +287,14 @@ static inline int rte_gettid(void)
 	return RTE_PER_LCORE(_thread_id);
 }
 
+/**
+ * Get flag for port representor should be enabled or not.
+ *
+ * @return
+ *   Returns the enable-representor flag.
+ */
+int rte_representor_enabled(void);
+
 #define RTE_INIT(func) \
 static void __attribute__((constructor, used)) func(void)
 
diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 48f12f4..165da30 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -610,6 +610,10 @@ eal_parse_args(int argc, char **argv)
 			internal_config.create_uio_dev = 1;
 			break;
 
+		case OPT_ENABLE_REPRESENTOR_NUM:
+			internal_config.enable_representor = 1;
+			break;
+
 		default:
 			if (opt < OPT_LONG_MIN_NUM && isprint(opt)) {
 				RTE_LOG(ERR, EAL, "Option %c is not supported "
@@ -1016,3 +1020,8 @@ rte_eal_check_module(const char *module_name)
 	/* Module has been found */
 	return 1;
 }
+
+int rte_representor_enabled(void)
+{
+	return internal_config.enable_representor;
+}
-- 
2.7.4



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