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Added agent support for remote scheduler

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This commit is contained in:
Xenofon Foukas
2016-02-26 17:30:54 +00:00
parent f47f596a1f
commit a8d646b108
12 changed files with 343 additions and 65 deletions
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openair2/ENB_APP/enb_agent_mac.c
+62
View File
@@ -42,6 +42,8 @@
#include "LAYER2/MAC/proto.h"
#include "LAYER2/MAC/enb_agent_mac_proto.h"
#include "liblfds700.h"
#include "log.h"
@@ -51,6 +53,13 @@ unsigned int mac_agent_registered[NUM_MAX_ENB];
/*Array containing the Agent-MAC interfaces*/
AGENT_MAC_xface *agent_mac_xface[NUM_MAX_ENB];
/* Ringbuffer related structs used for maintaining the dl mac config messages */
//message_queue_t *dl_mac_config_queue;
struct lfds700_misc_prng_state ps[NUM_MAX_ENB];
struct lfds700_ringbuffer_element *dl_mac_config_array[NUM_MAX_ENB];
struct lfds700_ringbuffer_state ringbuffer_state[NUM_MAX_ENB];
int enb_agent_mac_handle_stats(mid_t mod_id, const void *params, Protocol__ProgranMessage **msg){
// TODO: Must deal with sanitization of input
@@ -1154,6 +1163,56 @@ int enb_agent_mac_destroy_dl_config(Protocol__ProgranMessage *msg) {
return -1;
}
void enb_agent_get_pending_dl_mac_config(mid_t mod_id, Protocol__ProgranMessage **msg) {
struct lfds700_misc_prng_state ls;
LFDS700_MISC_MAKE_VALID_ON_CURRENT_LOGICAL_CORE_INITS_COMPLETED_BEFORE_NOW_ON_ANY_OTHER_LOGICAL_CORE;
lfds700_misc_prng_init(&ls);
if (lfds700_ringbuffer_read(&ringbuffer_state[mod_id], NULL, (void **) msg, &ls) == 0) {
*msg = NULL;
}
}
int enb_agent_mac_handle_dl_mac_config(mid_t mod_id, const void *params, Protocol__ProgranMessage **msg) {
struct lfds700_misc_prng_state ls;
enum lfds700_misc_flag overwrite_occurred_flag;
Protocol__ProgranMessage *overwritten_dl_config;
LFDS700_MISC_MAKE_VALID_ON_CURRENT_LOGICAL_CORE_INITS_COMPLETED_BEFORE_NOW_ON_ANY_OTHER_LOGICAL_CORE;
lfds700_misc_prng_init(&ls);
lfds700_ringbuffer_write( &ringbuffer_state[mod_id],
NULL,
(void *) params,
&overwrite_occurred_flag,
NULL,
(void **)&overwritten_dl_config,
&ls);
if (overwrite_occurred_flag == LFDS700_MISC_FLAG_RAISED) {
// Delete unmanaged dl_config
enb_agent_mac_destroy_dl_config(overwritten_dl_config);
}
*msg = NULL;
return 2;
error:
*msg = NULL;
return -1;
}
void enb_agent_init_mac_agent(mid_t mod_id) {
lfds700_misc_library_init_valid_on_current_logical_core();
lfds700_misc_prng_init(&ps[mod_id]);
int num_elements = RINGBUFFER_SIZE + 1;
//Allow RINGBUFFER_SIZE messages to be stored in the ringbuffer at any time
dl_mac_config_array[mod_id] = malloc( sizeof(struct lfds700_ringbuffer_element) * num_elements);
lfds700_ringbuffer_init_valid_on_current_logical_core( &ringbuffer_state[mod_id], dl_mac_config_array[mod_id], num_elements, &ps[mod_id], NULL );
}
/***********************************************
* eNB agent - technology mac API implementation
***********************************************/
@@ -1284,6 +1343,7 @@ int enb_agent_register_mac_xface(mid_t mod_id, AGENT_MAC_xface *xface) {
xface->enb_agent_send_sf_trigger = enb_agent_send_sf_trigger;
xface->enb_agent_send_update_mac_stats = enb_agent_send_update_mac_stats;
xface->enb_agent_schedule_ue_spec = schedule_ue_spec_default;
xface->enb_agent_get_pending_dl_mac_config = enb_agent_get_pending_dl_mac_config;
xface->enb_agent_notify_ue_state_change = enb_agent_ue_state_change;
mac_agent_registered[mod_id] = 1;
@@ -1299,6 +1359,8 @@ int enb_agent_unregister_mac_xface(mid_t mod_id, AGENT_MAC_xface *xface) {
xface->enb_agent_send_sf_trigger = NULL;
xface->enb_agent_send_update_mac_stats = NULL;
xface->enb_agent_schedule_ue_spec = NULL;
xface->enb_agent_get_pending_dl_mac_config = NULL;
xface->enb_agent_notify_ue_state_change = NULL;
mac_agent_registered[mod_id] = 0;
agent_mac_xface[mod_id] = NULL;