RTE_MBUF_REFCNT_ATOMIC = 0 is not necessary for applications like
Seastar, where it's safe to assume that the mbuf refcnt is only
updated by a single core only.
Signed-off-by: Kefu Chai <tchaikov@gmail.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
else # for 32-bit we need smaller reserved memory areas
dpdk_conf.set('RTE_MAX_MEM_MB', 2048)
endif
else # for 32-bit we need smaller reserved memory areas
dpdk_conf.set('RTE_MAX_MEM_MB', 2048)
endif
+if get_option('mbuf_refcnt_atomic')
+ dpdk_conf.set('RTE_MBUF_REFCNT_ATOMIC', true)
+endif
compile_time_cpuflags = []
subdir(arch_subdir)
compile_time_cpuflags = []
subdir(arch_subdir)
/* mbuf defines */
#define RTE_MBUF_DEFAULT_MEMPOOL_OPS "ring_mp_mc"
/* mbuf defines */
#define RTE_MBUF_DEFAULT_MEMPOOL_OPS "ring_mp_mc"
-#define RTE_MBUF_REFCNT_ATOMIC 1
#define RTE_PKTMBUF_HEADROOM 128
/* ether defines */
#define RTE_PKTMBUF_HEADROOM 128
/* ether defines */
'Set maximum number of cores/threads supported by EAL; "default" is different per-arch, "detect" detects the number of cores on the build machine.')
option('max_numa_nodes', type: 'string', value: 'default', description:
'Set the highest NUMA node supported by EAL; "default" is different per-arch, "detect" detects the highest NUMA node on the build machine.')
'Set maximum number of cores/threads supported by EAL; "default" is different per-arch, "detect" detects the number of cores on the build machine.')
option('max_numa_nodes', type: 'string', value: 'default', description:
'Set the highest NUMA node supported by EAL; "default" is different per-arch, "detect" detects the highest NUMA node on the build machine.')
+option('mbuf_refcnt_atomic', type: 'boolean', value: true, description:
+ 'Atomically access the mbuf refcnt.')
option('platform', type: 'string', value: 'native', description:
'Platform to build, either "native", "generic" or a SoC. Please refer to the Linux build guide for more information.')
option('enable_trace_fp', type: 'boolean', value: false, description:
option('platform', type: 'string', value: 'native', description:
'Platform to build, either "native", "generic" or a SoC. Please refer to the Linux build guide for more information.')
option('enable_trace_fp', type: 'boolean', value: false, description: