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Bluetooth: controller: Explicit AC and DC packet configure

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In the Controller's radio hal, explicitly differentiate
between Advertisement and Data channel packet
configuration.

Also, remove nRF5x specific extra overhead in Advertisement
PDU structure.

Change-id: I942b88a160af78f8900d7e49fb5f36c8aa493b97
Signed-off-by: Vinayak Chettimada <vinayak.kariappa.chettimada@nordicsemi.no>
This commit is contained in:
Vinayak Chettimada 2017-04-26 23:49:58 +02:00 • committed by Anas Nashif
commit 9fcd0827fd
5 changed files with 39 additions and 34 deletions
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44
subsys/bluetooth/controller/hal/nrf5/radio.c
View file

@ -94,31 +94,41 @@ void radio_aa_set(u8_t *aa)
NRF_RADIO->BASE0 = (aa[2] << 24) | (aa[1] << 16) | (aa[0] << 8);
}
void radio_pkt_configure(u8_t preamble16, u8_t bits_len, u8_t max_len)
void radio_pkt_configure(u8_t bits_len, u8_t max_len, u8_t flags)
{
#if defined(CONFIG_SOC_SERIES_NRF51X)
ARG_UNUSED(preamble16);
u8_t p16 = (flags >> 1) & 0x01; /* 16-bit preamble */
u8_t dc = flags & 0x01; /* Adv or Data channel */
u32_t extra;
if (bits_len == 8) {
#if defined(CONFIG_SOC_SERIES_NRF51X)
ARG_UNUSED(p16);
extra = 0;
/* nRF51 supports only 27 byte PDU when using h/w CCM for encryption. */
if (dc) {
bits_len = 5;
}
#endif
#else /* !CONFIG_SOC_SERIES_NRF51X */
extra = (((p16) ? RADIO_PCNF0_PLEN_16bit : RADIO_PCNF0_PLEN_8bit) <<
RADIO_PCNF0_PLEN_Pos) & RADIO_PCNF0_PLEN_Msk;
NRF_RADIO->PCNF0 = ((((1UL) << RADIO_PCNF0_S0LEN_Pos) &
/* To use same Data Channel PDU structure with nRF5 specific overhead
* byte, include the S1 field in radio packet configuration.
*/
if (dc) {
extra |= (RADIO_PCNF0_S1INCL_Include <<
RADIO_PCNF0_S1INCL_Pos) & RADIO_PCNF0_S1INCL_Msk;
}
#endif /* !CONFIG_SOC_SERIES_NRF51X */
NRF_RADIO->PCNF0 = (((1UL) << RADIO_PCNF0_S0LEN_Pos) &
RADIO_PCNF0_S0LEN_Msk) |
((((u32_t)bits_len) << RADIO_PCNF0_LFLEN_Pos) &
RADIO_PCNF0_LFLEN_Msk) |
#if !defined(CONFIG_SOC_SERIES_NRF51X)
(((RADIO_PCNF0_S1INCL_Include) <<
RADIO_PCNF0_S1INCL_Pos) &
RADIO_PCNF0_S1INCL_Msk) |
((((preamble16) ? RADIO_PCNF0_PLEN_16bit :
RADIO_PCNF0_PLEN_8bit) << RADIO_PCNF0_PLEN_Pos) &
RADIO_PCNF0_PLEN_Msk) |
#endif
((((u32_t)8-bits_len) <<
RADIO_PCNF0_S1LEN_Pos) &
RADIO_PCNF0_S1LEN_Msk));
((((u32_t)8-bits_len) << RADIO_PCNF0_S1LEN_Pos) &
RADIO_PCNF0_S1LEN_Msk) |
extra;
NRF_RADIO->PCNF1 = (((((u32_t)max_len) << RADIO_PCNF1_MAXLEN_Pos) &
RADIO_PCNF1_MAXLEN_Msk) |

2
subsys/bluetooth/controller/hal/radio.h
View file

@ -31,7 +31,7 @@ void radio_tx_power_set(u32_t power);
void radio_freq_chan_set(u32_t chan);
void radio_whiten_iv_set(u32_t iv);
void radio_aa_set(u8_t *aa);
void radio_pkt_configure(u8_t preamble16, u8_t bits_len, u8_t max_len);
void radio_pkt_configure(u8_t bits_len, u8_t max_len, u8_t flags);
void radio_pkt_rx_set(void *rx_packet);
void radio_pkt_tx_set(void *tx_packet);
void radio_rx_enable(void);

10
subsys/bluetooth/controller/ll_sw/ctrl.c
View file

@ -4309,7 +4309,7 @@ static void adv_obs_configure(u8_t phy)
adv_obs_conn_configure(phy);
radio_aa_set((u8_t *)&aa);
radio_pkt_configure(phy, 6, 37);
radio_pkt_configure(8, PDU_AC_PAYLOAD_SIZE_MAX, (phy << 1));
radio_crc_configure(((0x5bUL) | ((0x06UL) << 8) | ((0x00UL) << 16)),
0x555555);
}
@ -6112,12 +6112,12 @@ static void rx_packet_set(struct connection *conn, struct pdu_data *pdu_data_rx)
phy = RADIO_PHY_CONN;
if (conn->enc_rx) {
radio_pkt_configure(phy, 8, (max_rx_octets + 4));
radio_pkt_configure(8, (max_rx_octets + 4), (phy << 1) | 0x01);
radio_pkt_rx_set(radio_ccm_rx_pkt_set(&conn->ccm_rx,
pdu_data_rx));
} else {
radio_pkt_configure(phy, 8, max_rx_octets);
radio_pkt_configure(8, max_rx_octets, (phy << 1) | 0x01);
radio_pkt_rx_set(pdu_data_rx);
}
@ -6136,12 +6136,12 @@ static void tx_packet_set(struct connection *conn, struct pdu_data *pdu_data_tx)
phy = RADIO_PHY_CONN;
if (conn->enc_tx) {
radio_pkt_configure(phy, 8, (max_tx_octets + 4));
radio_pkt_configure(8, (max_tx_octets + 4), (phy << 1) | 0x01);
radio_pkt_tx_set(radio_ccm_tx_pkt_set(&conn->ccm_tx,
pdu_data_tx));
} else {
radio_pkt_configure(phy, 8, max_tx_octets);
radio_pkt_configure(8, max_tx_octets, (phy << 1) | 0x01);
radio_pkt_tx_set(pdu_data_tx);
}

4
subsys/bluetooth/controller/ll_sw/ll.c
View file

@ -324,7 +324,6 @@ void ll_adv_params_set(u16_t interval, u8_t adv_type,
pdu->len = BDADDR_SIZE;
}
pdu->rx_addr = _ll_adv_params.rx_addr;
pdu->resv = 0;
/* update the current scan data */
radio_adv_data = radio_scan_data_get();
@ -337,7 +336,6 @@ void ll_adv_params_set(u16_t interval, u8_t adv_type,
if (pdu->len == 0) {
pdu->len = BDADDR_SIZE;
}
pdu->resv = 0;
}
void ll_adv_data_set(u8_t len, u8_t const *const data)
@ -384,7 +382,6 @@ void ll_adv_data_set(u8_t len, u8_t const *const data)
memcpy(&pdu->payload.adv_ind.data[0], data, len);
pdu->len = BDADDR_SIZE + len;
}
pdu->resv = 0;
/* commit the update so controller picks it. */
radio_adv_data->last = last;
@ -418,7 +415,6 @@ void ll_scan_data_set(u8_t len, u8_t const *const data)
memcpy(&pdu->payload.scan_rsp.addr[0], &_ll_adv_params.adv_addr[0],
BDADDR_SIZE);
memcpy(&pdu->payload.scan_rsp.data[0], data, len);
pdu->resv = 0;
/* commit the update so controller picks it. */
radio_scan_data->last = last;

7
subsys/bluetooth/controller/ll_sw/pdu.h
View file

@ -12,8 +12,9 @@
/* PDU Sizes */
#define PDU_EM_SIZE_MAX 3
#define PDU_AC_SIZE_OVERHEAD 3
#define PDU_AC_SIZE_MAX (37 + PDU_AC_SIZE_OVERHEAD)
#define PDU_AC_SIZE_OVERHEAD 2
#define PDU_AC_PAYLOAD_SIZE_MAX 37
#define PDU_AC_SIZE_MAX (PDU_AC_PAYLOAD_SIZE_MAX + PDU_AC_SIZE_OVERHEAD)
struct pdu_adv_payload_adv_ind {
u8_t addr[BDADDR_SIZE];
@ -79,8 +80,6 @@ struct pdu_adv {
u8_t len:8;
u8_t resv:8; /* TODO: remove nRF specific code */
union {
struct pdu_adv_payload_adv_ind adv_ind;
struct pdu_adv_payload_direct_ind direct_ind;