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ring: increase maximum ring size

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There is no reason to prevent ring from being larger than 0x0FFFFFFF.
Increase the maximum size to 0x7FFFFFFF, which is the maximum possible
without changing the code and the structure definition (size is stored
on a uint32_t).

Link: http://dpdk.org/ml/archives/dev/2017-September/074701.html

Suggested-by: Venkatesh Nuthula <venki497@gmail.com>
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Reviewed-by: Anatoly Burakov <anatoly.burakov@intel.com>
This commit is contained in:
Olivier Matz 2017-09-20 13:32:15 +02:00 committed by Thomas Monjalon
parent e25da5a0a3
commit 72ca23c1ce
1 changed files with 1 additions and 1 deletions
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2
lib/librte_ring/rte_ring.h
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@ -174,7 +174,7 @@ struct rte_ring {
* ring space will be wasted.
*/
#define RING_F_EXACT_SZ 0x0004
#define RTE_RING_SZ_MASK (unsigned)(0x0fffffff) /**< Ring size mask */
#define RTE_RING_SZ_MASK (0x7fffffffU) /**< Ring size mask */
/* @internal defines for passing to the enqueue dequeue worker functions */
#define __IS_SP 1