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Provide check_nr_nfapi_p7_slot_type()

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Some messages might arrive for the wrong slot; in those cases, the
message has to be dropped. The next commits will make use of this
functionality.
This commit is contained in:
Rúben Soares Silva
2025-01-27 10:59:19 +01:00
committed by Robert Schmidt
parent d6b8fe93ab
commit 8da4e92189
1 changed files with 26 additions and 0 deletions
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nfapi/open-nFAPI/pnf/src/pnf_p7.c
+26
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@@ -30,6 +30,8 @@
#include "pnf_p7.h"
#include "nr_fapi_p7_utils.h" // for 5G/NR message utils
#include "common/ran_context.h"
#include <SCHED_NR/phy_frame_config_nr.h>
#define FAPI2_IP_DSCP 0
extern int sf_ahead;
@@ -1325,6 +1327,30 @@ bool is_nr_p7_request_in_window(const uint16_t sfn, const uint16_t slot, const c
return true;
}
/*! \brief Checks if the slot a message is intended to configure is of the appropriate type ( DL or UL slot )
* \param sfn The SFN from a P7 message
* \param slot The Slot from a P7 message
* \param name A string with the message name (e.g. DL_TTI.request) for the warning
* \param type The slot type intended for the message ( NR_DOWNLINK_SLOT or NR_UPLINK_SLOT )
* \return true if the slot type is correct, false if not
*
* The function will take a SFN and Slot and check if it is of the intended type ( DL or UL ), indicated by parameter type
* Will print a warning if the check fails and return false
* returns true on success
*/
bool check_nr_nfapi_p7_slot_type(const uint16_t sfn, const uint16_t slot, const char* name, int type)
{
DevAssert(RC.gNB != NULL && RC.gNB[0] != NULL);
PHY_VARS_gNB *gNB = RC.gNB[0];
nfapi_nr_config_request_scf_t *cfg = &gNB->gNB_config;
const int slot_type = nr_slot_select(cfg, sfn, slot);
if(slot_type != type && slot_type != NR_MIXED_SLOT) {
NFAPI_TRACE(NFAPI_TRACE_ERROR, "%4d.%2d Slot type is not appropriate for %s\n", sfn, slot, name);
return false;
}
return true;
}
uint8_t is_p7_request_in_window(uint16_t sfnsf, const char* name, pnf_p7_t* phy)
{
uint32_t recv_sfn_sf_dec = NFAPI_SFNSF2DEC(sfnsf);