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netdev-dpdk: Convert initialization from cmdline to db

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Existing DPDK integration is provided by use of command line options which
must be split out and passed to librte in a special manner. However, this
forces any configuration to be passed by way of a special DPDK flag, and
interferes with ovs+dpdk packaging solutions.

This commit delays dpdk initialization until after the OVS database
connection is established, at which point ovs initializes librte. It
pulls all of the config data from the OVS database, and assembles a
new argv/argc pair to be passed along.

Signed-off-by: Aaron Conole <aconole@redhat.com>
Acked-by: Kevin Traynor <kevin.traynor@intel.com>
Acked-by: Daniele Di Proietto <diproiettod@vmware.com>
This commit is contained in:
Aaron Conole
2016-04-29 13:44:01 -04:00
committed by Daniele Di Proietto
parent 563c98d86e
commit bab6940971
14 changed files with 454 additions and 157 deletions
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14
lib/netdev-dpdk.h
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@@ -4,6 +4,7 @@
#include <config.h>
struct dp_packet;
struct smap;
#ifdef DPDK_NETDEV
@@ -22,7 +23,6 @@ struct dp_packet;
#define NON_PMD_CORE_ID LCORE_ID_ANY
int dpdk_init(int argc, char **argv);
void netdev_dpdk_register(void);
void free_dpdk_buf(struct dp_packet *);
int pmd_thread_setaffinity_cpu(unsigned cpu);
@@ -33,15 +33,6 @@ int pmd_thread_setaffinity_cpu(unsigned cpu);
#include "util.h"
static inline int
dpdk_init(int argc, char **argv)
{
if (argc >= 2 && !strcmp(argv[1], "--dpdk")) {
ovs_fatal(0, "DPDK support not built into this copy of Open vSwitch.");
}
return 0;
}
static inline void
netdev_dpdk_register(void)
{
@@ -61,4 +52,7 @@ pmd_thread_setaffinity_cpu(unsigned cpu OVS_UNUSED)
}
#endif /* DPDK_NETDEV */
void dpdk_init(const struct smap *ovs_other_config);
#endif