This increase due to the usage of cmdline in dpdk applications
as config commands such as testpmd do for rte_flow rules creation.

The current size of buffer is not enough to fill
many cases of rte_flow commands validation/creation.

rte_flow now can have outer items, inner items, modify
actions, meta data actions, duplicate action, fate action and
more in one single rte flow, thus 512 char will not be enough
to validate such rte flow rules.

Such change shouldn't affect the memory since the cmdline
reading again using the same buffer.

Cc: sta...@dpdk.org

Signed-off-by: Wisam Jaddo <wis...@mellanox.com>

---
changes in v3
* Fix commit title
        Previous title was not that clear of what the change is
* Add more clarification for what we need such increase
* Explain why it won't cause any memory issue
---
---
 lib/librte_cmdline/cmdline_rdline.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_cmdline/cmdline_rdline.h 
b/lib/librte_cmdline/cmdline_rdline.h
index d217029..8193e1d 100644
--- a/lib/librte_cmdline/cmdline_rdline.h
+++ b/lib/librte_cmdline/cmdline_rdline.h
@@ -39,7 +39,7 @@ extern "C" {
 #endif
 
 /* configuration */
-#define RDLINE_BUF_SIZE 512
+#define RDLINE_BUF_SIZE 2048
 #define RDLINE_PROMPT_SIZE  32
 #define RDLINE_VT100_BUF_SIZE  8
 #define RDLINE_HISTORY_BUF_SIZE BUFSIZ
-- 
2.7.4

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