[dpdk-dev] [PATCH v2] eal: make max interrupt vectors configurable

[Pavan Nikhilesh Bhagavatula]

From: Pavan Nikhilesh <pbhagavatula at marvell.com>

Make max interrupt vectors configurable so that platforms can
choose interrupt vector limit.

Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
---
 v2 Changes:
 - Add defaults for meson build. (Jerin Jacob)

 config/common_base                                 | 1 +
 config/meson.build                                 | 1 +
 lib/librte_eal/common/include/rte_eal_interrupts.h | 2 +-
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/config/common_base b/config/common_base
index 0b09a9348..e84f8a233 100644
--- a/config/common_base
+++ b/config/common_base
@@ -68,6 +68,7 @@ CONFIG_RTE_MAX_LCORE=128
 CONFIG_RTE_MAX_NUMA_NODES=8
 CONFIG_RTE_MAX_HEAPS=32
 CONFIG_RTE_MAX_MEMSEG_LISTS=64
+CONFIG_RTE_MAX_INTERRUPT_VECTORS=32
 # each memseg list will be limited to either RTE_MAX_MEMSEG_PER_LIST pages
 # or RTE_MAX_MEM_MB_PER_LIST megabytes worth of memory, whichever is smaller
 CONFIG_RTE_MAX_MEMSEG_PER_LIST=8192
diff --git a/config/meson.build b/config/meson.build
index 0419607d3..68bb74e20 100644
--- a/config/meson.build
+++ b/config/meson.build
@@ -112,6 +112,7 @@ dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id
 dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
 dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64)
 dpdk_conf.set('RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', true)
+dpdk_conf.set('RTE_MAX_INTERRUPT_VECTORS', 32)


 compile_time_cpuflags = []
diff --git a/lib/librte_eal/common/include/rte_eal_interrupts.h b/lib/librte_eal/common/include/rte_eal_interrupts.h
index 9d302f412..19e44019f 100644
--- a/lib/librte_eal/common/include/rte_eal_interrupts.h
+++ b/lib/librte_eal/common/include/rte_eal_interrupts.h
@@ -17,7 +17,7 @@
 #ifndef _RTE_EAL_INTERRUPTS_H_
 #define _RTE_EAL_INTERRUPTS_H_

-#define RTE_MAX_RXTX_INTR_VEC_ID     32
+#define RTE_MAX_RXTX_INTR_VEC_ID      RTE_MAX_INTERRUPT_VECTORS
 #define RTE_INTR_VEC_ZERO_OFFSET      0
 #define RTE_INTR_VEC_RXTX_OFFSET      1

-
2.20.1