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Bluetooth: controller: split: Add generate of ext adv legacy report

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Added implementation to generate LE Extended Advertising
Report for received legacy PDUs.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2020-04-09 14:45:28 +05:30 • committed by Carles Cufí
commit b87cae97bb
1 changed files with 121 additions and 15 deletions
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120
subsys/bluetooth/controller/hci/hci.c
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@ -2979,12 +2979,120 @@ static void le_advertising_report(struct pdu_data *pdu_data,
}
#if defined(CONFIG_BT_CTLR_ADV_EXT)
static void le_ext_adv_legacy_report(struct pdu_data *pdu_data,
struct node_rx_pdu *node_rx,
struct net_buf *buf)
{
const uint8_t c_adv_type[] = { 0x13, 0x15, 0x10, 0xff,
0x1a, /* SCAN_RSP to an ADV_SCAN_IND */
0x1b, /* SCAN_RSP to an ADV_IND */
0x12 };
struct bt_hci_evt_le_ext_advertising_info *adv_info;
struct bt_hci_evt_le_ext_advertising_report *sep;
struct pdu_adv *adv = (void *)pdu_data;
uint8_t data_len;
uint8_t info_len;
int8_t rssi;
#if defined(CONFIG_BT_CTLR_PRIVACY)
uint8_t rl_idx;
#endif /* CONFIG_BT_CTLR_PRIVACY */
#if defined(CONFIG_BT_CTLR_EXT_SCAN_FP)
uint8_t direct;
#endif /* CONFIG_BT_CTLR_EXT_SCAN_FP */
if (!(event_mask & BT_EVT_MASK_LE_META_EVENT) ||
!(le_event_mask & BT_EVT_MASK_LE_EXT_ADVERTISING_REPORT)) {
return;
}
/* The Link Layer currently returns RSSI as an absolute value */
rssi = -(node_rx->hdr.rx_ftr.rssi);
#if defined(CONFIG_BT_CTLR_PRIVACY)
rl_idx = node_rx->hdr.rx_ftr.rl_idx;
#endif /* CONFIG_BT_CTLR_PRIVACY */
#if defined(CONFIG_BT_CTLR_EXT_SCAN_FP)
direct = node_rx->hdr.rx_ftr.direct;
#endif /* CONFIG_BT_CTLR_EXT_SCAN_FP */
#if defined(CONFIG_BT_CTLR_PRIVACY)
if (adv->tx_addr) {
/* Update current RPA */
ll_rl_crpa_set(0x00, NULL, rl_idx, &adv->adv_ind.addr[0]);
}
#endif /* CONFIG_BT_CTLR_PRIVACY */
#if CONFIG_BT_CTLR_DUP_FILTER_LEN > 0
if (dup_found(adv)) {
return;
}
#endif /* CONFIG_BT_CTLR_DUP_FILTER_LEN > 0 */
if (adv->type != PDU_ADV_TYPE_DIRECT_IND) {
data_len = (adv->len - BDADDR_SIZE);
} else {
data_len = 0U;
}
info_len = sizeof(struct bt_hci_evt_le_ext_advertising_info) +
data_len;
sep = meta_evt(buf, BT_HCI_EVT_LE_EXT_ADVERTISING_REPORT,
sizeof(*sep) + info_len);
sep->num_reports = 1U;
adv_info = (void *)(((uint8_t *)sep) + sizeof(*sep));
adv_info->evt_type = c_adv_type[adv->type];
#if defined(CONFIG_BT_CTLR_PRIVACY)
if (rl_idx < ll_rl_size_get()) {
/* Store identity address */
ll_rl_id_addr_get(rl_idx, &adv_info->addr.type,
&adv_info->addr.a.val[0]);
/* Mark it as identity address from RPA (0x02, 0x03) */
adv_info->addr.type += 2U;
} else
#endif /* CONFIG_BT_CTLR_PRIVACY */
{
adv_info->addr.type = adv->tx_addr;
memcpy(&adv_info->addr.a.val[0], &adv->adv_ind.addr[0],
sizeof(bt_addr_t));
}
adv_info->prim_phy = BT_HCI_LE_EXT_SCAN_PHY_1M;
adv_info->sec_phy = 0U;
adv_info->sid = 0xff;
adv_info->tx_power = 0x7f;
adv_info->rssi = rssi;
adv_info->interval = 0U;
if (direct) {
adv_info->direct_addr.type = 0x1;
memcpy(&adv_info->direct_addr.a.val[0],
&adv->direct_ind.tgt_addr[0], sizeof(bt_addr_t));
} else {
adv_info->direct_addr.type = 0U;
memset(&adv_info->direct_addr.a.val[0], 0, sizeof(bt_addr_t));
}
adv_info->length = data_len;
memcpy(&adv_info->data[0], &adv->adv_ind.data[0], data_len);
}
static void le_adv_ext_report(struct pdu_data *pdu_data,
struct node_rx_pdu *node_rx,
struct net_buf *buf, uint8_t phy)
{
struct pdu_adv *adv = (void *)pdu_data;
if ((adv->type == PDU_ADV_TYPE_EXT_IND) && adv->len) {
struct pdu_adv_com_ext_adv *p;
struct ext_adv_hdr *h;
uint8_t *ptr;
int8_t rssi;
#if !defined(CONFIG_BT_LL_SW_SPLIT)
uint8_t *extra;
#endif
@ -2997,13 +3105,9 @@ static void le_adv_ext_report(struct pdu_data *pdu_data,
rssi = -(*extra);
#endif /* CONFIG_BT_LL_SW_SPLIT */
BT_INFO("phy= 0x%x, type= 0x%x, len= %u, tat= %u, rat= %u, rssi=%d dB",
phy, adv->type, adv->len, adv->tx_addr, adv->rx_addr, rssi);
if ((adv->type == PDU_ADV_TYPE_EXT_IND) && adv->len) {
struct pdu_adv_com_ext_adv *p;
struct ext_adv_hdr *h;
uint8_t *ptr;
BT_INFO("phy= 0x%x, type= 0x%x, len= %u, tat= %u, rat= %u,"
" rssi=%d dB", phy, adv->type, adv->len, adv->tx_addr,
adv->rx_addr, rssi);
p = (void *)&adv->adv_ext_ind;
h = (void *)p->ext_hdr_adi_adv_data;
@ -3067,6 +3171,8 @@ static void le_adv_ext_report(struct pdu_data *pdu_data,
}
/* TODO: length check? */
} else {
le_ext_adv_legacy_report(pdu_data, node_rx, buf);
}
no_ext_hdr: