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Bluetooth: controller: Implement LE Set Host Feature Command

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Added implementation of HCI LE Set Host Feature command.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2021-05-06 14:20:37 +05:30 • committed by Carles Cufí
commit 32d9b68944
7 changed files with 72 additions and 14 deletions
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58
subsys/bluetooth/controller/ll_sw/ll_feat.c
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@ -1,4 +1,5 @@
/*
* Copyright (c) 2021 Nordic Semiconductor ASA
* Copyright (c) 2020 Demant
*
* SPDX-License-Identifier: Apache-2.0
@ -6,6 +7,17 @@
#include <zephyr.h>
#include "util/memq.h"
#include "hal/ccm.h"
#include "pdu.h"
#include "lll.h"
#include "lll_conn.h"
#include "ull_conn_internal.h"
#include "ll_feat.h"
#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_HCI_DRIVER)
@ -13,15 +25,55 @@
#include "common/log.h"
#include "hal/debug.h"
#if defined(CONFIG_BT_CTLR_SET_HOST_FEATURE)
static uint64_t host_features;
uint8_t ll_set_host_feature(uint8_t bit_number, uint8_t bit_value)
{
ARG_UNUSED(bit_number);
ARG_UNUSED(bit_value);
uint64_t feature;
return BT_HCI_ERR_CMD_DISALLOWED;
/* Check if Bit_Number is not controlled by the Host */
feature = BIT64(bit_number);
if (!(feature & LL_FEAT_HOST_BIT_MASK)) {
return BT_HCI_ERR_UNSUPP_FEATURE_PARAM_VAL;
}
#if defined(CONFIG_BT_CONN)
/* Check if the Controller has an established ACL */
uint16_t conn_free_count = ll_conn_free_count_get();
/* Check if any connection contexts where allocated */
if (conn_free_count != CONFIG_BT_MAX_CONN) {
uint16_t handle;
/* Check if there are established connections */
for (handle = 0U; handle < CONFIG_BT_MAX_CONN; handle++) {
if (ll_connected_get(handle)) {
return BT_HCI_ERR_CMD_DISALLOWED;
}
}
}
#endif /* CONFIG_BT_CONN */
/* Set or Clear the Host feature bit */
if (bit_value) {
host_features |= feature;
} else {
host_features &= ~feature;
}
return BT_HCI_ERR_SUCCESS;
}
uint64_t ll_feat_get(void)
{
return LL_FEAT | (host_features & LL_FEAT_HOST_BIT_MASK);
}
#else /* !CONFIG_BT_CTLR_SET_HOST_FEATURE */
uint64_t ll_feat_get(void)
{
return LL_FEAT;
}
#endif /* !CONFIG_BT_CTLR_SET_HOST_FEATURE */