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nimble/ll: Disallow HCI commands if DTM test is enabled

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If DTM is enabled we should not allow for other activities. To keep
things simple just disallow all commands except LE Test End and Reset.
This commit is contained in:
Szymon Janc
2022-11-02 15:24:00 +01:00
parent 5a9b202a0d
commit ae414aa597
3 changed files with 24 additions and 1 deletions
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nimble/controller/src/ble_ll_dtm.c
+6
View File
@@ -705,6 +705,12 @@ ble_ll_dtm_reset(void)
ble_ll_dtm_ctx_free(&g_ble_ll_dtm_ctx);
}
int
ble_ll_dtm_enabled(void)
{
return g_ble_ll_dtm_ctx.active;
}
void
ble_ll_dtm_init(void)
{
nimble/controller/src/ble_ll_dtm_priv.h
+1
View File
@@ -37,4 +37,5 @@ int ble_ll_dtm_rx_isr_end(uint8_t *rxbuf, struct ble_mbuf_hdr *rxhdr);
void ble_ll_dtm_rx_pkt_in(struct os_mbuf *rxpdu, struct ble_mbuf_hdr *hdr);
void ble_ll_dtm_wfr_timer_exp(void);
void ble_ll_dtm_reset(void);
int ble_ll_dtm_enabled(void);
#endif
nimble/controller/src/ble_ll_hci.c
+17 -1
View File
@@ -1756,6 +1756,22 @@ ble_ll_hci_cmd_proc(struct ble_npl_event *ev)
/* Assume response length is zero */
rsplen = 0;
#if MYNEWT_VAL(BLE_LL_DTM)
/* if DTM test is enabled disallow any command other than LE Test End or
* HCI Reset
*/
if (ble_ll_dtm_enabled()) {
switch (opcode) {
case BLE_HCI_OP(BLE_HCI_OGF_LE, BLE_HCI_OCF_LE_TEST_END):
case BLE_HCI_OP(BLE_HCI_OGF_CTLR_BASEBAND, BLE_HCI_OCF_CB_RESET):
break;
default:
rc = BLE_ERR_CMD_DISALLOWED;
goto send_cc_cs;
}
}
#endif
#if MYNEWT_VAL(BLE_LL_HBD_FAKE_DUAL_MODE)
rc = ble_ll_hci_cmd_fake_dual_mode(opcode, cmd->data, cmd->length,
rspbuf, &rsplen);
@@ -1798,7 +1814,7 @@ ble_ll_hci_cmd_proc(struct ble_npl_event *ev)
rc += (BLE_ERR_MAX + 1);
}
#if MYNEWT_VAL(BLE_LL_HBD_FAKE_DUAL_MODE)
#if MYNEWT_VAL(BLE_LL_HBD_FAKE_DUAL_MODE) || MYNEWT_VAL(BLE_LL_DTM)
send_cc_cs:
#endif
/* If no response is generated, we free the buffers */