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Pass multi socket descriptor in SCTP + add SCTP multi init req/resp mechanism

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This commit is contained in:
Konstantinos Alexandris
2018-09-07 15:15:41 +02:00
parent 1729b3dc66
commit 2b85c4a3a6
9 changed files with 148 additions and 57 deletions
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openair2/X2AP/x2ap_eNB.c
+56 -24
View File
@@ -60,11 +60,8 @@ void x2ap_eNB_register_eNB(x2ap_eNB_instance_t *instance_p,
net_ip_address_t *local_ip_addr,
uint16_t in_streams,
uint16_t out_streams,
uint32_t enb_port_for_X2C);
static
void x2ap_eNB_handle_sctp_association_resp(instance_t instance,
sctp_new_association_resp_t *sctp_new_association_resp);
uint32_t enb_port_for_X2C,
int multi_sd);
/*
static
@@ -209,7 +206,7 @@ int x2ap_eNB_init_sctp (x2ap_eNB_instance_t *instance_p,
DevAssert(instance_p != NULL);
DevAssert(local_ip_addr != NULL);
message = itti_alloc_new_message (TASK_X2AP, SCTP_INIT_MSG_MULTI);
message = itti_alloc_new_message (TASK_X2AP, SCTP_INIT_MSG_MULTI_REQ);
sctp_init = &message->ittiMsg.sctp_init_multi;
sctp_init->port = enb_port_for_X2C;
@@ -240,12 +237,13 @@ static void x2ap_eNB_register_eNB(x2ap_eNB_instance_t *instance_p,
net_ip_address_t *local_ip_addr,
uint16_t in_streams,
uint16_t out_streams,
uint32_t enb_port_for_X2C)
uint32_t enb_port_for_X2C,
int multi_sd)
{
MessageDef *message = NULL;
sctp_new_association_req_t *sctp_new_association_req = NULL;
x2ap_eNB_data_t *x2ap_enb_data = NULL;
MessageDef *message = NULL;
sctp_new_association_req_multi_t *sctp_new_association_req = NULL;
x2ap_eNB_data_t *x2ap_enb_data = NULL;
DevAssert(instance_p != NULL);
DevAssert(target_eNB_ip_address != NULL);
@@ -260,6 +258,8 @@ static void x2ap_eNB_register_eNB(x2ap_eNB_instance_t *instance_p,
sctp_new_association_req->in_streams = in_streams;
sctp_new_association_req->out_streams = out_streams;
sctp_new_association_req->multi_sd = multi_sd;
memcpy(&sctp_new_association_req->remote_address,
target_eNB_ip_address,
sizeof(*target_eNB_ip_address));
@@ -293,9 +293,7 @@ static
void x2ap_eNB_handle_register_eNB(instance_t instance,
x2ap_register_enb_req_t *x2ap_register_eNB)
{
x2ap_eNB_instance_t *new_instance;
uint8_t index;
DevAssert(x2ap_register_eNB != NULL);
@@ -309,7 +307,7 @@ void x2ap_eNB_handle_register_eNB(instance_t instance,
DevCheck(new_instance->tac == x2ap_register_eNB->tac, new_instance->tac, x2ap_register_eNB->tac, 0);
DevCheck(new_instance->mcc == x2ap_register_eNB->mcc, new_instance->mcc, x2ap_register_eNB->mcc, 0);
DevCheck(new_instance->mnc == x2ap_register_eNB->mnc, new_instance->mnc, x2ap_register_eNB->mnc, 0);
X2AP_WARN("eNB[%d] already registered\n", instance);
}
else {
new_instance = calloc(1, sizeof(x2ap_eNB_instance_t));
@@ -327,6 +325,18 @@ void x2ap_eNB_handle_register_eNB(instance_t instance,
new_instance->mnc = x2ap_register_eNB->mnc;
new_instance->mnc_digit_length = x2ap_register_eNB->mnc_digit_length;
DevCheck(x2ap_register_eNB->nb_x2 <= X2AP_MAX_NB_ENB_IP_ADDRESS,
X2AP_MAX_NB_ENB_IP_ADDRESS, x2ap_register_eNB->nb_x2, 0);
memcpy(new_instance->target_enb_x2_ip_address,
x2ap_register_eNB->target_enb_x2_ip_address,
x2ap_register_eNB->nb_x2 * sizeof(net_ip_address_t));
new_instance->nb_x2 = x2ap_register_eNB->nb_x2;
new_instance->enb_x2_ip_address = x2ap_register_eNB->enb_x2_ip_address;
new_instance->sctp_in_streams = x2ap_register_eNB->sctp_in_streams;
new_instance->sctp_out_streams = x2ap_register_eNB->sctp_out_streams;
new_instance->enb_port_for_X2C = x2ap_register_eNB->enb_port_for_X2C;
/* Add the new instance to the list of eNB (meaningfull in virtual mode) */
x2ap_eNB_insert_new_instance(new_instance);
@@ -342,24 +352,41 @@ void x2ap_eNB_handle_register_eNB(instance_t instance,
X2AP_INFO("eNB[%d] eNB id %u acting as a listner (server)\n",
instance, x2ap_register_eNB->eNB_id);
}
}
DevCheck(x2ap_register_eNB->nb_x2 <= X2AP_MAX_NB_ENB_IP_ADDRESS,
X2AP_MAX_NB_ENB_IP_ADDRESS, x2ap_register_eNB->nb_x2, 0);
static
void x2ap_eNB_handle_sctp_init_msg_multi_cnf(
instance_t instance_id,
sctp_init_msg_multi_cnf_t *m)
{
x2ap_eNB_instance_t *instance;
int index;
DevAssert(m != NULL);
instance = x2ap_eNB_get_instance(instance_id);
DevAssert(instance != NULL);
instance->multi_sd = m->multi_sd;
/* Exit if CNF message reports failure.
* Failure means multi_sd < 0.
*/
DevAssert(instance->multi_sd >= 0);
/* Trying to connect to the provided list of eNB ip address */
for (index = 0; index < x2ap_register_eNB->nb_x2; index++) {
for (index = 0; index < instance->nb_x2; index++) {
X2AP_INFO("eNB[%d] eNB id %u acting as an initiator (client)\n",
instance, x2ap_register_eNB->eNB_id);
x2ap_eNB_register_eNB(new_instance,
&x2ap_register_eNB->target_enb_x2_ip_address[index],
&x2ap_register_eNB->enb_x2_ip_address,
x2ap_register_eNB->sctp_in_streams,
x2ap_register_eNB->sctp_out_streams,
x2ap_register_eNB->enb_port_for_X2C);
instance_id, instance->eNB_id);
x2ap_eNB_register_eNB(instance,
&instance->target_enb_x2_ip_address[index],
&instance->enb_x2_ip_address,
instance->sctp_in_streams,
instance->sctp_out_streams,
instance->enb_port_for_X2C,
instance->multi_sd);
}
}
void *x2ap_task(void *arg)
@@ -386,6 +413,11 @@ void *x2ap_task(void *arg)
&X2AP_REGISTER_ENB_REQ(received_msg));
break;
case SCTP_INIT_MSG_MULTI_CNF:
x2ap_eNB_handle_sctp_init_msg_multi_cnf(ITTI_MESSAGE_GET_INSTANCE(received_msg),
&received_msg->ittiMsg.sctp_init_msg_multi_cnf);
break;
case SCTP_NEW_ASSOCIATION_RESP:
x2ap_eNB_handle_sctp_association_resp(ITTI_MESSAGE_GET_INSTANCE(received_msg),
&received_msg->ittiMsg.sctp_new_association_resp);
openair2/X2AP/x2ap_eNB_defs.h
+7 -1
View File
@@ -151,7 +151,13 @@ typedef struct x2ap_eNB_instance_s {
uint16_t mnc;
uint8_t mnc_digit_length;
net_ip_address_t target_enb_x2_ip_address[X2AP_MAX_NB_ENB_IP_ADDRESS];
uint8_t nb_x2;
net_ip_address_t enb_x2_ip_address;
uint16_t sctp_in_streams;
uint16_t sctp_out_streams;
uint32_t enb_port_for_X2C;
int multi_sd;
} x2ap_eNB_instance_t;
typedef struct {