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Remove rb_id parameter from SDAP TX entity - QFI determines DRB mapping

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- Remove rb_id parameter from nr_sdap_tx_entity() function signature
- Update tx_entity function pointer
- Remove rb_id parameter from sdap_data_req() function signature
- Remove unused rb_id variable from sdap_tun_read_thread

The rb_id parameter was redundant since SDAP determines DRB ID
from QFI mapping via entity->qfi2drb_map(entity, qfi). This
simplifies the interface.
This commit is contained in:
Guido Casati
2025-10-14 19:10:02 +02:00
parent d760a16827
commit 0348aa08b9
8 changed files with 4 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
executables/lte-softmodem.c
View File

@@ -151,7 +151,6 @@ double cpuf;
bool sdap_data_req(protocol_ctxt_t *ctxt_p,
const ue_id_t ue_id,
const srb_flag_t srb_flag,
const rb_id_t rb_id,
const mui_t mui,
const confirm_t confirm,
const sdu_size_t sdu_buffer_size,

5
openair2/SDAP/nr_sdap/nr_sdap.c
View File

@@ -47,7 +47,6 @@ static void reblock_tun_socket(int fd)
bool sdap_data_req(protocol_ctxt_t *ctxt_p,
const ue_id_t ue_id,
const srb_flag_t srb_flag,
const int rb_id,
const mui_t mui,
const confirm_t confirm,
const sdu_size_t sdu_buffer_size,
@@ -69,7 +68,6 @@ bool sdap_data_req(protocol_ctxt_t *ctxt_p,
bool ret = sdap_entity->tx_entity(sdap_entity,
ctxt_p,
srb_flag,
rb_id,
mui,
confirm,
sdu_buffer_size,
@@ -115,8 +113,6 @@ static void *sdap_tun_read_thread(void *arg)
int len;
reblock_tun_socket(entity->pdusession_sock);
int rb_id = 1;
while (!entity->stop_thread) {
len = read(entity->pdusession_sock, &rx_buf, NL_MAX_PAYLOAD);
if (len == -1) {
@@ -147,7 +143,6 @@ static void *sdap_tun_read_thread(void *arg)
entity->tx_entity(entity,
&ctxt,
SRB_FLAG_NO,
rb_id,
RLC_MUI_UNDEFINED,
RLC_SDU_CONFIRM_NO,
len,

1
openair2/SDAP/nr_sdap/nr_sdap.h
View File

@@ -35,7 +35,6 @@
bool sdap_data_req(protocol_ctxt_t *ctxt_p,
const ue_id_t ue_id,
const srb_flag_t srb_flag,
const int rb_id,
const mui_t mui,
const confirm_t confirm,
const sdu_size_t sdu_buffer_size,

12
openair2/SDAP/nr_sdap/nr_sdap_entity.c
View File

@@ -81,7 +81,6 @@ void nr_pdcp_submit_sdap_ctrl_pdu(ue_id_t ue_id, int sdap_ctrl_pdu_drb, nr_sdap_
static bool nr_sdap_tx_entity(nr_sdap_entity_t *entity,
protocol_ctxt_t *ctxt_p,
const srb_flag_t srb_flag,
const int rb_id,
const mui_t mui,
const confirm_t confirm,
const sdu_size_t sdu_buffer_size,
@@ -94,8 +93,6 @@ static bool nr_sdap_tx_entity(nr_sdap_entity_t *entity,
/* The offset of the SDAP header, it might be 0 if has_sdap_tx is not true in the pdcp entity. */
int offset=0;
bool ret = false;
/*Hardcode DRB ID given from upper layer (ue/gnb_tun_read_thread rb_id), it will change if we have SDAP*/
int sdap_drb_id = rb_id;
bool sdap_ul_tx = false;
bool sdap_dl_tx = false;
@@ -105,10 +102,9 @@ static bool nr_sdap_tx_entity(nr_sdap_entity_t *entity,
}
uint8_t sdap_buf[SDAP_MAX_PDU];
int pdcp_entity = entity->qfi2drb_map(entity, qfi);
int drb_id = entity->qfi2drb_map(entity, qfi);
if (pdcp_entity != SDAP_MAP_RULE_EMPTY) {
sdap_drb_id = pdcp_entity;
if (drb_id != SDAP_MAP_RULE_EMPTY) {
sdap_ul_tx = entity->qfi2drb_table[qfi].entity_role & SDAP_UL_TX; // UE TX entity
sdap_dl_tx = entity->qfi2drb_table[qfi].entity_role & SDAP_DL_TX; // gNB TX entity
LOG_D(SDAP, "TX - QFI: %u is mapped to DRB ID: %d\n", qfi, entity->qfi2drb_table[qfi].drb_id);
@@ -121,7 +117,7 @@ static bool nr_sdap_tx_entity(nr_sdap_entity_t *entity,
LOG_D(SDAP, "TX - DRB ID: %d does not have SDAP header\n", entity->qfi2drb_table[qfi].drb_id);
ret = nr_pdcp_data_req_drb(ctxt_p,
srb_flag,
sdap_drb_id,
drb_id,
mui,
confirm,
sdu_buffer_size,
@@ -189,7 +185,7 @@ static bool nr_sdap_tx_entity(nr_sdap_entity_t *entity,
*/
ret = nr_pdcp_data_req_drb(ctxt_p,
srb_flag,
sdap_drb_id,
drb_id,
mui,
confirm,
sdu_buffer_size + offset,

1
openair2/SDAP/nr_sdap/nr_sdap_entity.h
View File

@@ -122,7 +122,6 @@ typedef struct nr_sdap_entity_s {
bool (*tx_entity)(struct nr_sdap_entity_s *entity,
protocol_ctxt_t *ctxt_p,
const srb_flag_t srb_flag,
const int rb_id,
const mui_t mui,
const confirm_t confirm,
const sdu_size_t sdu_buffer_size,

1
openair3/ocp-gtpu/gtp_itf.cpp
View File

@@ -1244,7 +1244,6 @@ static int Gtpv1uHandleGpdu(int h, uint8_t *msgBuf, uint32_t msgBufLen, const st
if (!uedata.callBackSDAP(&ctxt,
uedata.ue_id,
srb_flag,
rb_id,
mui,
confirm,
sdu_buffer_size,

1
openair3/ocp-gtpu/gtp_itf.h
View File

@@ -49,7 +49,6 @@ typedef struct gtpv1u_gnb_delete_tunnel_req_s gtpv1u_gnb_delete_tunnel_req_t;
typedef bool (*gtpCallbackSDAP)(protocol_ctxt_t *ctxt_pP,
const ue_id_t ue_id,
const srb_flag_t srb_flagP,
const int rb_idP,
const mui_t muiP,
const confirm_t confirmP,
const sdu_size_t sdu_buffer_sizeP,

1
tests/nr-cuup/nr-cuup-load-test.c
View File

@@ -165,7 +165,6 @@ static struct ue_stat {
static bool recv_ng(protocol_ctxt_t *ctxt,
const ue_id_t ue_id,
const srb_flag_t flag,
const int rb,
const mui_t mui,
const confirm_t confirm,
const sdu_size_t size,