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From: Chas Williams <3chas3@gmail.com>
To: dev@dpdk.org
Cc: thomas@monjalon.net, bruce.richardson@intel.com,
Chas Williams <3chas3@gmail.com>
Date: Thu, 31 Jan 2019 18:53:25 -0500
Message-Id: <20190131235326.10648-1-3chas3@gmail.com>
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Subject: [dpdk-dev] [PATCH 1/2 v2] build: add option to override max ethports
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Allow users and packagers to override the default RTE_MAX_ETHPORTS.
This adds a new meson option, max_ethports which defaults to the
current value.
Signed-off-by: Chas Williams <3chas3@gmail.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
---
config/meson.build | 1 +
config/rte_config.h | 1 -
meson_options.txt | 2 ++
3 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/config/meson.build b/config/meson.build
index db32499b3..e59507065 100644
--- a/config/meson.build
+++ b/config/meson.build
@@ -103,6 +103,7 @@ endforeach
# set other values pulled from the build options
dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
+dpdk_conf.set('RTE_MAX_ETHPORTS', get_option('max_ethports'))
dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
# values which have defaults which may be overridden
diff --git a/config/rte_config.h b/config/rte_config.h
index d3732e953..7606f5d7b 100644
--- a/config/rte_config.h
+++ b/config/rte_config.h
@@ -51,7 +51,6 @@
#define RTE_PKTMBUF_HEADROOM 128
/* ether defines */
-#define RTE_MAX_ETHPORTS 32
#define RTE_MAX_QUEUES_PER_PORT 1024
#define RTE_ETHDEV_QUEUE_STAT_CNTRS 16
#define RTE_ETHDEV_RXTX_CALLBACKS 1
diff --git a/meson_options.txt b/meson_options.txt
index 574054597..499573ed4 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -18,6 +18,8 @@ option('lib_musdk_dir', type: 'string', value: '',
description: 'path to the MUSDK library installation directory')
option('machine', type: 'string', value: 'native',
description: 'set the target machine type')
+option('max_ethports', type: 'string', value: '64',
+ description: 'maximum number of Ethernet devices in EAL')
option('max_lcores', type: 'string', value: '128',
description: 'maximum number of cores/threads supported by EAL')
option('max_numa_nodes', type: 'string', value: '4',
--
2.17.2