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nimble/ll: Do not nak PDU with RFU LLID

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We can handle such PDU in isr, it will be then ignored in LL.

This fixes LL/CON/CEN/BI-14-C and LL/CON/PER/BI-17-C.
This commit is contained in:
Andrzej Kaczmarek
2022-03-03 15:04:58 +01:00
parent 045c3d19cd
commit def9fd0437
1 changed files with 0 additions and 10 deletions
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nimble/controller/src/ble_ll_conn.c
-10
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@@ -3417,16 +3417,6 @@ ble_ll_conn_rx_isr_end(uint8_t *rxbuf, struct ble_mbuf_hdr *rxhdr)
/* Set last valid received pdu time (resets supervision timer) */
connsm->last_rxd_pdu_cputime = begtime + ble_ll_tmr_u2t(add_usecs);
/*
* Check for valid LLID before proceeding. We have seen some weird
* things with the PHY where the CRC is OK but we dont have a valid
* LLID. This should really never happen but if it does we will just
* bail. An error stat will get incremented at the LL.
*/
if ((hdr_byte & BLE_LL_DATA_HDR_LLID_MASK) == 0) {
goto conn_exit;
}
/* Set last received header byte */
connsm->last_rxd_hdr_byte = hdr_byte;