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From: Marko Kovacevic <marko.kovacevic@intel.com>
To: dev@dpdk.org
Cc: anatoly.burakov@intel.com, vipin.varghese@intel.com,
	bruce.richardson@intel.com, stable@dpdk.org,
	Marko Kovacevic <marko.kovacevic@intel.com>
Subject: [dpdk-dev] [PATCH v1] eal: add error check for core options
Date: Thu,  1 Feb 2018 15:39:56 +0000	[thread overview]
Message-ID: <20180201153956.15021-1-marko.kovacevic@intel.com> (raw)

Error information on the current core
usage list,mask and map were incomplete.
Added states to differentiate core usage
and to inform user.

Signed-off-by: Marko Kovacevic <marko.kovacevic@intel.com>
---
 doc/guides/testpmd_app_ug/run_app.rst      |  4 ++++
 lib/librte_eal/common/eal_common_options.c | 33 +++++++++++++++++++++++++++---
 2 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/doc/guides/testpmd_app_ug/run_app.rst b/doc/guides/testpmd_app_ug/run_app.rst
index 46da1df..26500bf 100644
--- a/doc/guides/testpmd_app_ug/run_app.rst
+++ b/doc/guides/testpmd_app_ug/run_app.rst
@@ -62,6 +62,10 @@ See the DPDK Getting Started Guides for more information on these options.
     The grouping ``()`` can be omitted for single element group.
     The ``@`` can be omitted if cpus and lcores have the same value.
 
+.. Note::
+   When ``--lcores`` is in use, the options ``-l`` and ``-c`` cannot be used.
+
+
 *   ``--master-lcore ID``
 
     Core ID that is used as master.
diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c
index b6d2762..6604c64 100644
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -57,6 +57,9 @@
 #include "eal_filesystem.h"
 
 #define BITS_PER_HEX 4
+#define LCORE_OPT_LST 1
+#define LCORE_OPT_MSK 2
+#define LCORE_OPT_MAP 3
 
 const char
 eal_short_options[] =
@@ -1028,7 +1031,15 @@ eal_parse_common_option(int opt, const char *optarg,
 			RTE_LOG(ERR, EAL, "invalid coremask\n");
 			return -1;
 		}
-		core_parsed = 1;
+
+		if (core_parsed) {
+			RTE_LOG(ERR, EAL, "Core Mask Option is ignored, because core (%s) is set!\n",
+				(core_parsed == LCORE_OPT_LST)?"LIST" :
+				(core_parsed == LCORE_OPT_MAP)?"MAP" : "Unknown");
+			return -1;
+		}
+
+		core_parsed = LCORE_OPT_MSK;
 		break;
 	/* corelist */
 	case 'l':
@@ -1036,7 +1047,15 @@ eal_parse_common_option(int opt, const char *optarg,
 			RTE_LOG(ERR, EAL, "invalid core list\n");
 			return -1;
 		}
-		core_parsed = 1;
+
+		if (core_parsed) {
+			RTE_LOG(ERR, EAL, "Core List Option is ignored, because core (%s) is set!\n",
+				(core_parsed == LCORE_OPT_MSK)?"LIST" :
+				(core_parsed == LCORE_OPT_MAP)?"MAP" : "Unknown");
+			return -1;
+		}
+
+		core_parsed = LCORE_OPT_LST;
 		break;
 	/* service coremask */
 	case 's':
@@ -1156,7 +1175,15 @@ eal_parse_common_option(int opt, const char *optarg,
 				OPT_LCORES "\n");
 			return -1;
 		}
-		core_parsed = 1;
+
+		if (core_parsed) {
+			RTE_LOG(ERR, EAL, "Core Map Option is ignored, because core (%s) is set!\n",
+				(core_parsed == LCORE_OPT_LST)?"LIST" :
+				(core_parsed == LCORE_OPT_MSK)?"MASK" : "Unknown");
+			return -1;
+		}
+
+		core_parsed = LCORE_OPT_MAP;
 		break;
 
 	/* don't know what to do, leave this to caller */
-- 
2.9.5

             reply	other threads:[~2018-02-01 15:40 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-01 15:39 Marko Kovacevic [this message]
2018-02-01 16:38 ` Burakov, Anatoly
2018-02-01 17:07 ` [dpdk-dev] [PATCH v2] " Marko Kovacevic
2018-02-01 17:13   ` Burakov, Anatoly
2018-02-02 14:51   ` [dpdk-dev] [PATCH v3] " Marko Kovacevic
2018-02-02 15:33     ` Bruce Richardson
2018-02-05 23:11       ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon
2018-02-22 10:10       ` [dpdk-dev] " O Mahony, Billy

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