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net_framework: add registering of multiple spdk_net_frameworks

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Its possible for a net_framework to have initialization and finish
functions. This patch adds mechanism to register spdk_net_framework
and executes appropriate functions during subsystem start/finish.

Change-Id: I06d9cb6e98f843794296b833caa3c79735f06f12
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.gerrithub.io/403703
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Tomasz Zawadzki 2018-03-13 10:41:24 -04:00 committed by Jim Harris
parent 609fb9a16b
commit 11ed34831e
2 changed files with 44 additions and 0 deletions
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17
include/spdk/net.h
View File

@ -48,6 +48,23 @@ extern "C" {
struct spdk_sock;
struct spdk_net_framework {
const char *name;
int (*init)(void);
void (*fini)(void);
STAILQ_ENTRY(spdk_net_framework) link;
};
void spdk_net_framework_register(struct spdk_net_framework *frame);
#define SPDK_NET_FRAMEWORK_REGISTER(name, frame) \
static void __attribute__((constructor)) net_framework_register_##name(void) \
{ \
spdk_net_framework_register(frame); \
}
int spdk_interface_init(void);
void spdk_interface_destroy(void);

27
lib/net/net_framework.c
View File

@ -31,13 +31,40 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/log.h"
#include "spdk/net.h"
#include "spdk/queue.h"
static STAILQ_HEAD(, spdk_net_framework) g_net_frameworks =
STAILQ_HEAD_INITIALIZER(g_net_frameworks);
int spdk_net_framework_start(void)
{
struct spdk_net_framework *net_framework = NULL;
int rc;
STAILQ_FOREACH_FROM(net_framework, &g_net_frameworks, link) {
rc = net_framework->init();
if (rc != 0) {
SPDK_ERRLOG("Net framework %s failed to initalize\n", net_framework->name);
return rc;
}
}
return 0;
}
void spdk_net_framework_fini(void)
{
struct spdk_net_framework *net_framework = NULL;
STAILQ_FOREACH_FROM(net_framework, &g_net_frameworks, link) {
net_framework->fini();
}
}
void
spdk_net_framework_register(struct spdk_net_framework *frame)
{
STAILQ_INSERT_TAIL(&g_net_frameworks, frame, link);
}