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LTE PDCP: Use GTP direct API instead of ITTI

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LTE PDCP uses GTP, so need to link GTP into the corresponding library.
This commit is contained in:
Robert Schmidt
2024-12-11 10:32:18 +01:00
parent 2ffb674d58
commit ad9645ffb9
2 changed files with 6 additions and 14 deletions
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openair2/LAYER2/PDCP_v10.1.0/pdcp.c
+5 -14
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@@ -597,7 +597,6 @@ bool pdcp_data_ind(const protocol_ctxt_t *const ctxt_pP,
uint8_t rb_offset= (srb_flagP == 0) ? DTCH -1 :0;
uint16_t pdcp_uid=0;
MessageDef *message_p = NULL;
uint32_t rx_hfn_for_count;
int pdcp_sn_for_count;
int security_ok;
@@ -999,19 +998,11 @@ bool pdcp_data_ind(const protocol_ctxt_t *const ctxt_pP,
if (LINK_ENB_PDCP_TO_GTPV1U) {
if ((true == ctxt_pP->enb_flag) && (false == srb_flagP)) {
LOG_D(PDCP, "Sending packet to GTP, Calling GTPV1U_TUNNEL_DATA_REQ ue %lx rab %ld len %u\n", ctxt_pP->rntiMaybeUEid, rb_id + 4, sdu_buffer_sizeP - payload_offset);
message_p = itti_alloc_new_message_sized(TASK_PDCP_ENB, 0, GTPV1U_TUNNEL_DATA_REQ,
sizeof(gtpv1u_tunnel_data_req_t) +
sdu_buffer_sizeP - payload_offset + GTPU_HEADER_OVERHEAD_MAX );
AssertFatal(message_p != NULL, "OUT OF MEMORY");
gtpv1u_tunnel_data_req_t *req=&GTPV1U_TUNNEL_DATA_REQ(message_p);
req->buffer = (uint8_t*)(req+1);
memcpy(req->buffer + GTPU_HEADER_OVERHEAD_MAX, sdu_buffer_pP + payload_offset, sdu_buffer_sizeP - payload_offset);
req->length = sdu_buffer_sizeP - payload_offset;
req->offset = GTPU_HEADER_OVERHEAD_MAX;
req->ue_id = ctxt_pP->rntiMaybeUEid;
req->bearer_id = rb_id + 4;
itti_send_msg_to_task(TASK_GTPV1_U, INSTANCE_DEFAULT, message_p);
ue_id_t ue_id = ctxt_pP->rntiMaybeUEid;
uint8_t *gtp_buf = sdu_buffer_pP + payload_offset;
size_t gtp_len = sdu_buffer_sizeP - payload_offset;
LOG_D(PDCP, "Sending packet to GTP ue %lx rab %ld len %ld\n", ue_id, rb_id + 4, gtp_len);
gtpv1uSendDirect(INSTANCE_DEFAULT, ue_id, rb_id + 4, gtp_buf, gtp_len, false, false);
packet_forwarded = true;
}
} else {