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Change NR PDCP SN field to 18 instead of 12 bits length

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-Required because the 12 bits SN is not accepted from the phone
This commit is contained in:
matzakos
2020-06-19 14:19:12 +02:00
committed by Raymond Knopp
parent c3e871257b
commit 7e33d11c3d
1 changed files with 6 additions and 5 deletions
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openair2/LAYER2/nr_pdcp/nr_pdcp_entity_drb_am.c
+6 -5
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@@ -32,7 +32,7 @@ void nr_pdcp_entity_drb_am_recv_pdu(nr_pdcp_entity_t *_entity, char *buffer, int
if (size < 3) abort(); if (size < 3) abort();
if (!(buffer[0] & 0x80)) { printf("%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__); exit(1); } if (!(buffer[0] & 0x80)) { printf("%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__); exit(1); }
entity->common.deliver_sdu(entity->common.deliver_sdu_data, entity->common.deliver_sdu(entity->common.deliver_sdu_data,
(nr_pdcp_entity_t *)entity, buffer+2, size-2); (nr_pdcp_entity_t *)entity, buffer+3, size-3);
} }
void nr_pdcp_entity_drb_am_recv_sdu(nr_pdcp_entity_t *_entity, char *buffer, int size, void nr_pdcp_entity_drb_am_recv_sdu(nr_pdcp_entity_t *_entity, char *buffer, int size,
@@ -50,12 +50,13 @@ void nr_pdcp_entity_drb_am_recv_sdu(nr_pdcp_entity_t *_entity, char *buffer, int
entity->common.tx_hfn++; entity->common.tx_hfn++;
} }
buf[0] = 0x80 | ((sn >> 8) & 0x0f); buf[0] = 0x80 | ((sn >> 16) & 0x3);
buf[1] = sn & 0xff; buf[1] = (sn >> 8) & 0xff;
memcpy(buf+2, buffer, size); buf[2] = sn & 0xff;
memcpy(buf+3, buffer, size);
entity->common.deliver_pdu(entity->common.deliver_pdu_data, entity->common.deliver_pdu(entity->common.deliver_pdu_data,
(nr_pdcp_entity_t *)entity, buf, size+2, sdu_id); (nr_pdcp_entity_t *)entity, buf, size+3, sdu_id);
} }
void nr_pdcp_entity_drb_am_set_integrity_key(nr_pdcp_entity_t *_entity, char *key) void nr_pdcp_entity_drb_am_set_integrity_key(nr_pdcp_entity_t *_entity, char *key)