diff mbox

[dpdk-dev,v2] eal: add error check for core options

Message ID 20180201170732.3225-1-marko.kovacevic@intel.com (mailing list archive)
State Superseded, archived
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Kovacevic, Marko Feb. 1, 2018, 5:07 p.m. UTC 
  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>

---
V2:
 - Cleaned up the logging for error cases - Anatoly
---
 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(-)

Comments

Anatoly Burakov Feb. 1, 2018, 5:13 p.m. UTC | #1 
On 01-Feb-18 5:07 PM, Marko Kovacevic wrote:
> 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>
> 
> ---

Should've kept my Reviewed-by tag, but no harm done.

Reviewed-by: Anatoly Burakov <anatoly.burakov@intel.com>
diff mbox

Patch

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..459b093 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, "Option -c is ignored, because (%s) is set!\n",
+				(core_parsed == LCORE_OPT_LST)?"-l" :
+				(core_parsed == LCORE_OPT_MAP)?"--lcore" : "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, "Option -l is ignored, because (%s) is set!\n",
+				(core_parsed == LCORE_OPT_MSK)?"-c" :
+				(core_parsed == LCORE_OPT_MAP)?"--lcore" : "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, "Option --lcore is ignored, because (%s) is set!\n",
+				(core_parsed == LCORE_OPT_LST)?"-l" :
+				(core_parsed == LCORE_OPT_MSK)?"-c" : "Unknown");
+			return -1;
+		}
+
+		core_parsed = LCORE_OPT_MAP;
 		break;
 
 	/* don't know what to do, leave this to caller */