michaelh/zephyr
1
0
Fork 0
Code Releases Activity

Bluetooth: controller: Implementing LL param checks for refactored CPR

Browse source 
Now refactored Connection Parameter Request procedure supports
parameter checking, and implements reject_ext_ind on invalid parameters

Updates to TODO description for remaining work

Signed-off-by: Erik Brockhoff <erbr@oticon.com>
This commit is contained in:
Erik Brockhoff 2022-03-29 11:26:13 +02:00 • committed by Carles Cufí
commit f056eb516d
4 changed files with 348 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

12
subsys/bluetooth/controller/ll_sw/ull_conn.c
View file

@ -70,18 +70,6 @@
#include "common/log.h"
#include "hal/debug.h"
/**
* User CPR Interval
*/
#if !defined(CONFIG_BT_CTLR_USER_CPR_INTERVAL_MIN)
/* Bluetooth defined CPR Interval Minimum (7.5ms) */
#define CONN_INTERVAL_MIN(x) (6)
#else /* CONFIG_BT_CTLR_USER_CPR_INTERVAL_MIN */
/* Proprietary user defined CPR Interval Minimum */
extern uint16_t ull_conn_interval_min_get(struct ll_conn *conn);
#define CONN_INTERVAL_MIN(x) (MAX(ull_conn_interval_min_get(x), 1))
#endif /* CONFIG_BT_CTLR_USER_CPR_INTERVAL_MIN */
static int init_reset(void);
#if !defined(CONFIG_BT_CTLR_LOW_LAT_ULL)
static void tx_demux_sched(struct ll_conn *conn);

12
subsys/bluetooth/controller/ll_sw/ull_internal.h
View file

@ -4,6 +4,18 @@
* SPDX-License-Identifier: Apache-2.0
*/
/**
* User CPR Interval
*/
#if !defined(CONFIG_BT_CTLR_USER_CPR_INTERVAL_MIN)
/* Bluetooth defined CPR Interval Minimum (7.5ms) */
#define CONN_INTERVAL_MIN(x) (6)
#else /* CONFIG_BT_CTLR_USER_CPR_INTERVAL_MIN */
/* Proprietary user defined CPR Interval Minimum */
extern uint16_t ull_conn_interval_min_get(struct ll_conn *conn);
#define CONN_INTERVAL_MIN(x) (MAX(ull_conn_interval_min_get(x), 1))
#endif /* CONFIG_BT_CTLR_USER_CPR_INTERVAL_MIN */
/* Macro to convert time in us to connection interval units */
#define RADIO_CONN_EVENTS(x, y) ((uint16_t)(((x) + (y) - 1) / (y)))

99
subsys/bluetooth/controller/ll_sw/ull_llcp_conn_upd.c
View file

@ -42,10 +42,25 @@
#include "hal/debug.h"
/* Hardcoded instant delta +6 */
#define CONN_UPDATE_INSTANT_DELTA 6U
#define CONN_UPDATE_INSTANT_DELTA 6U
/* TODO: Known, missing items (missing implementation):
* LL/CON/MAS/BV-34-C [Accepting Connection Parameter Request ? event masked]
/* CPR parameter ranges */
#define CONN_UPDATE_TIMEOUT_100MS 10U
#define CONN_UPDATE_TIMEOUT_32SEC 3200U
#define CONN_UPDATE_LATENCY_MAX 499U
#define CONN_UPDATE_CONN_INTV_4SEC 3200U
/*
* TODO - Known, missing items (missing implementation):
*
* If DLE procedure supported:
* and current PHY is Coded PHY:
* ... (5.3.6.B.5.1.1) the new connection interval shall be at least connIntervalCodedMin us.
* ... (5.3.6.B.5.1.7.4) packet tx time restrictions should be in effect
*
* Inter-connection mutual exclusion on CPR
*
* LL/CON/MAS/BV-34-C [Accepting Connection Parameter Request w. event masked]
*/
/* LLCP Local Procedure Connection Update FSM states */
@ -55,6 +70,7 @@ enum {
LP_CU_STATE_WAIT_RX_CONN_PARAM_RSP,
LP_CU_STATE_WAIT_TX_CONN_UPDATE_IND,
LP_CU_STATE_WAIT_RX_CONN_UPDATE_IND,
LP_CU_STATE_WAIT_TX_REJECT_EXT_IND,
LP_CU_STATE_WAIT_INSTANT,
LP_CU_STATE_WAIT_NTF,
};
@ -139,6 +155,29 @@ static void cu_update_conn_parameters(struct ll_conn *conn, struct proc_ctx *ctx
ctx->data.cu.instant);
}
#if defined(CONFIG_BT_CTLR_CONN_PARAM_REQ)
static bool cu_check_conn_parameters(struct ll_conn *conn, struct proc_ctx *ctx)
{
const uint16_t interval_min = ctx->data.cu.interval_min;
const uint16_t interval_max = ctx->data.cu.interval_max; /* unit conn events (ie 1.25ms) */
const uint16_t timeout = ctx->data.cu.timeout; /* unit 10ms */
const uint16_t latency = ctx->data.cu.latency;
const uint16_t preferred_periodicity = ctx->data.cu.preferred_periodicity;
/* Invalid parameters */
const bool invalid = ((interval_min < CONN_INTERVAL_MIN(conn)) ||
(interval_max > CONN_UPDATE_CONN_INTV_4SEC) ||
(interval_min > interval_max) ||
(latency > CONN_UPDATE_LATENCY_MAX) ||
(timeout < CONN_UPDATE_TIMEOUT_100MS) || (timeout > CONN_UPDATE_TIMEOUT_32SEC) ||
((timeout * 4U) <= /* *4U re. conn events is equivalent to *2U re. ms */
((latency + 1) * interval_max)) ||
(preferred_periodicity > interval_max));
return !invalid;
}
#endif /* CONFIG_BT_CTLR_CONN_PARAM_REQ */
static bool cu_should_notify_host(struct proc_ctx *ctx)
{
return (((ctx->proc == PROC_CONN_PARAM_REQ) && (ctx->data.cu.error != 0U)) ||
@ -162,6 +201,10 @@ static void lp_cu_tx(struct ll_conn *conn, struct proc_ctx *ctx, uint8_t opcode)
case PDU_DATA_LLCTRL_TYPE_CONN_PARAM_REQ:
llcp_pdu_encode_conn_param_req(ctx, pdu);
break;
case PDU_DATA_LLCTRL_TYPE_REJECT_EXT_IND:
llcp_pdu_encode_reject_ext_ind(pdu, PDU_DATA_LLCTRL_TYPE_CONN_PARAM_RSP,
ctx->data.cu.error);
break;
#endif /* CONFIG_BT_CTLR_CONN_PARAM_REQ */
#if defined(CONFIG_BT_CENTRAL)
case PDU_DATA_LLCTRL_TYPE_CONN_UPDATE_IND:
@ -214,6 +257,19 @@ static void lp_cu_complete(struct ll_conn *conn, struct proc_ctx *ctx, uint8_t e
}
#if defined(CONFIG_BT_CTLR_CONN_PARAM_REQ)
static void lp_cu_send_reject_ext_ind(struct ll_conn *conn, struct proc_ctx *ctx, uint8_t evt,
void *param)
{
if (ctx->pause || !llcp_tx_alloc_peek(conn, ctx)) {
ctx->state = LP_CU_STATE_WAIT_TX_REJECT_EXT_IND;
} else {
llcp_rr_set_incompat(conn, INCOMPAT_NO_COLLISION);
lp_cu_tx(conn, ctx, PDU_DATA_LLCTRL_TYPE_REJECT_EXT_IND);
llcp_lr_complete(conn);
ctx->state = LP_CU_STATE_IDLE;
}
}
static void lp_cu_send_conn_param_req(struct ll_conn *conn, struct proc_ctx *ctx, uint8_t evt,
void *param)
{
@ -304,6 +360,20 @@ static void lp_cu_st_idle(struct ll_conn *conn, struct proc_ctx *ctx, uint8_t ev
}
#if defined(CONFIG_BT_CTLR_CONN_PARAM_REQ)
static void lp_cu_st_wait_tx_reject_ext_ind(struct ll_conn *conn, struct proc_ctx *ctx,
uint8_t evt, void *param)
{
switch (evt) {
case LP_CU_EVT_RUN:
lp_cu_send_reject_ext_ind(conn, ctx, evt, param);
break;
default:
/* Ignore other evts */
break;
}
}
static void lp_cu_st_wait_tx_conn_param_req(struct ll_conn *conn, struct proc_ctx *ctx, uint8_t evt,
void *param)
{
@ -327,7 +397,14 @@ static void lp_cu_st_wait_rx_conn_param_rsp(struct ll_conn *conn, struct proc_ct
switch (evt) {
case LP_CU_EVT_CONN_PARAM_RSP:
llcp_pdu_decode_conn_param_rsp(ctx, param);
llcp_rr_set_incompat(conn, INCOMPAT_RESERVED);
/* Perform Param check and possibly reject (LL_REJECT_EXT_IND) */
if (!cu_check_conn_parameters(conn, ctx)) {
ctx->data.cu.error = BT_HCI_ERR_INVALID_LL_PARAM;
lp_cu_send_reject_ext_ind(conn, ctx, evt, param);
break;
}
lp_cu_send_conn_update_ind(conn, ctx, evt, param);
break;
case LP_CU_EVT_UNKNOWN:
@ -407,10 +484,10 @@ static void lp_cu_check_instant(struct ll_conn *conn, struct proc_ctx *ctx, uint
/* Procedure is complete when the instant has passed, and the
* new connection event parameters have been applied.
*/
llcp_rr_set_incompat(conn, INCOMPAT_NO_COLLISION);
cu_update_conn_parameters(conn, ctx);
notify = cu_should_notify_host(ctx);
if (notify) {
llcp_rr_set_incompat(conn, INCOMPAT_NO_COLLISION);
ctx->data.cu.error = BT_HCI_ERR_SUCCESS;
lp_cu_complete(conn, ctx, evt, param);
} else {
@ -471,6 +548,11 @@ static void lp_cu_execute_fsm(struct ll_conn *conn, struct proc_ctx *ctx, uint8_
lp_cu_st_wait_rx_conn_update_ind(conn, ctx, evt, param);
break;
#endif /* CONFIG_BT_PERIPHERAL */
#if defined(CONFIG_BT_CTLR_CONN_PARAM_REQ)
case LP_CU_STATE_WAIT_TX_REJECT_EXT_IND:
lp_cu_st_wait_tx_reject_ext_ind(conn, ctx, evt, param);
break;
#endif /* CONFIG_BT_CTLR_CONN_PARAM_REQ */
case LP_CU_STATE_WAIT_INSTANT:
lp_cu_st_wait_instant(conn, ctx, evt, param);
break;
@ -719,7 +801,14 @@ static void rp_cu_st_wait_rx_conn_param_req(struct ll_conn *conn, struct proc_ct
case RP_CU_EVT_CONN_PARAM_REQ:
llcp_pdu_decode_conn_param_req(ctx, param);
bool params_changed =
/* Perform Param check and reject if invalid (LL_REJECT_EXT_IND) */
if (!cu_check_conn_parameters(conn, ctx)) {
ctx->data.cu.error = BT_HCI_ERR_INVALID_LL_PARAM;
rp_cu_send_reject_ext_ind(conn, ctx, evt, param);
break;
}
const bool params_changed =
cu_have_params_changed(conn, ctx->data.cu.interval_max,
ctx->data.cu.latency, ctx->data.cu.timeout);

265
tests/bluetooth/controller/ctrl_conn_update/src/main.c
View file

@ -80,6 +80,32 @@ struct pdu_data_llctrl_conn_param_rsp conn_param_rsp = { .interval_min = INTVL_M
.offset4 = 0xffffU,
.offset5 = 0xffffU };
/* Invalid conn_param_req PDU */
struct pdu_data_llctrl_conn_param_req conn_param_req_invalid = { .interval_min = INTVL_MIN - 1,
.interval_max = INTVL_MAX + 1,
.latency = LATENCY,
.timeout = TIMEOUT - 1,
.preferred_periodicity = 0U,
.reference_conn_event_count = 0u,
.offset0 = 0x0000U,
.offset1 = 0xffffU,
.offset2 = 0xffffU,
.offset3 = 0xffffU,
.offset4 = 0xffffU,
.offset5 = 0xffffU };
/* Invalid conn_param_rsp PDU */
struct pdu_data_llctrl_conn_param_rsp conn_param_rsp_invalid = { .interval_min = INTVL_MIN - 1,
.interval_max = INTVL_MAX + 1,
.latency = LATENCY,
.timeout = TIMEOUT - 1,
.preferred_periodicity = 0U,
.reference_conn_event_count = 0u,
.offset0 = 0x0000U,
.offset1 = 0xffffU,
.offset2 = 0xffffU,
.offset3 = 0xffffU,
.offset4 = 0xffffU,
.offset5 = 0xffffU };
/* Different PDU contents for (B) */
/* Default conn_param_req PDU (B) */
@ -169,7 +195,7 @@ static bool is_instant_reached(struct ll_conn *conn, uint16_t instant)
* Central requests change in LE connection parameters, peripheral’s Host accepts.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -278,12 +304,85 @@ void test_conn_update_central_loc_accept(void)
"Free CTX buffers %d", ctx_buffers_free());
}
/*
* Central-initiated Connection Parameters Request procedure.
* Central requests change in LE connection parameters, peripheral
* responds with invalid params
*
* +-----+ +-------+ +-----+
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
* |-------------------------->| |
* | | LL_CONNECTION_PARAM_REQ |
* | |-------------------------->|
* | | |
* | | LL_CONNECTION_PARAM_RSP |
* | |<--------------------------|
* | | |
* | | LL_REJECT_EXT_IND |
* | |-------------------------->|
* | | |
* | | |
* | | |
*/
void test_conn_update_central_loc_invalid_param_rsp(void)
{
uint8_t err;
struct node_tx *tx;
struct pdu_data_llctrl_reject_ext_ind reject_ext_ind = {
.reject_opcode = PDU_DATA_LLCTRL_TYPE_CONN_PARAM_RSP,
.error_code = BT_HCI_ERR_INVALID_LL_PARAM
};
/* Role */
test_set_role(&conn, BT_HCI_ROLE_CENTRAL);
/* Connect */
ull_cp_state_set(&conn, ULL_CP_CONNECTED);
/* Initiate a Connection Parameter Request Procedure */
err = ull_cp_conn_update(&conn, INTVL_MIN, INTVL_MAX, LATENCY, TIMEOUT);
zassert_equal(err, BT_HCI_ERR_SUCCESS, NULL);
/* Prepare */
event_prepare(&conn);
/* Tx Queue should have one LL Control PDU */
lt_rx(LL_CONNECTION_PARAM_REQ, &conn, &tx, &conn_param_req);
lt_rx_q_is_empty(&conn);
/* Rx */
lt_tx(LL_CONNECTION_PARAM_RSP, &conn, &conn_param_rsp_invalid);
/* Done */
event_done(&conn);
/* Release Tx */
ull_cp_release_tx(&conn, tx);
/* Prepare */
event_prepare(&conn);
/* Tx Queue should have one LL Control PDU */
lt_rx(LL_REJECT_EXT_IND, &conn, &tx, &reject_ext_ind);
lt_rx_q_is_empty(&conn);
/* Done */
event_done(&conn);
zassert_equal(ctx_buffers_free(), test_ctx_buffers_cnt(),
"Free CTX buffers %d", ctx_buffers_free());
}
/*
* Central-initiated Connection Parameters Request procedure.
* Central requests change in LE connection parameters, peripheral’s Host rejects.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -353,7 +452,7 @@ void test_conn_update_central_loc_reject(void)
* Central requests change in LE connection parameters, peripheral’s Host is legacy.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -477,7 +576,7 @@ void test_conn_update_central_loc_remote_legacy(void)
* support Connection Parameters Request procedure, features not exchanged.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -600,7 +699,7 @@ void test_conn_update_central_loc_unsupp_wo_feat_exch(void)
* support Connection Parameters Request procedure, features exchanged.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -705,7 +804,7 @@ void test_conn_update_central_loc_unsupp_w_feat_exch(void)
* Procedure collides and is rejected.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -863,7 +962,7 @@ void test_conn_update_central_loc_collision(void)
* Peripheral requests change in LE connection parameters, central’s Host accepts.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_PARAM_REQ |
@ -978,12 +1077,69 @@ void test_conn_update_central_rem_accept(void)
"Free CTX buffers %d", ctx_buffers_free());
}
/*
* Peripheral-initiated Connection Parameters Request procedure.
* Peripheral requests change in LE connection with invalid parameters,
*
* +-----+ +-------+ +-----+
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_PARAM_REQ |
* | |<--------------------------|
* | | |
* | | |
* | | LL_REJECT_EXT_IND |
* | |-------------------------->|
* | | |
* | | |
*/
void test_conn_update_central_rem_invalid_req(void)
{
struct node_tx *tx;
struct pdu_data_llctrl_reject_ext_ind reject_ext_ind = {
.reject_opcode = PDU_DATA_LLCTRL_TYPE_CONN_PARAM_REQ,
.error_code = BT_HCI_ERR_INVALID_LL_PARAM
};
/* Role */
test_set_role(&conn, BT_HCI_ROLE_CENTRAL);
/* Connect */
ull_cp_state_set(&conn, ULL_CP_CONNECTED);
/* Prepare */
event_prepare(&conn);
/* Rx */
lt_tx(LL_CONNECTION_PARAM_REQ, &conn, &conn_param_req_invalid);
/* Done */
event_done(&conn);
/* Prepare */
event_prepare(&conn);
/* Tx Queue should have one LL Control PDU */
lt_rx(LL_REJECT_EXT_IND, &conn, &tx, &reject_ext_ind);
lt_rx_q_is_empty(&conn);
/* Done */
event_done(&conn);
/* Release Tx */
ull_cp_release_tx(&conn, tx);
zassert_equal(ctx_buffers_free(), test_ctx_buffers_cnt(),
"Free CTX buffers %d", ctx_buffers_free());
}
/*
* Peripheral-initiated Connection Parameters Request procedure.
* Peripheral requests change in LE connection parameters, central’s Host rejects.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_PARAM_REQ |
@ -1060,7 +1216,7 @@ void test_conn_update_central_rem_reject(void)
* support Connection Parameters Request procedure.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_PARAM_REQ |
@ -1094,7 +1250,7 @@ void test_conn_update_central_rem_unsupp_feat(void)
* Central-initiated Connection Parameters Request procedure is resumed.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_PARAM_REQ |
@ -1323,7 +1479,7 @@ void test_conn_update_central_rem_collision(void)
* Peripheral requests change in LE connection parameters, central’s Host accepts.
*
* +-----+ +-------+ +-----+
* | UT | | LL_S | | LT |
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -1425,7 +1581,7 @@ void test_conn_update_periph_loc_accept(void)
* Peripheral requests change in LE connection parameters, central’s Host rejects.
*
* +-----+ +-------+ +-----+
* | UT | | LL_S | | LT |
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -1505,7 +1661,7 @@ void test_conn_update_periph_loc_reject(void)
* support Connection Parameters Request procedure, features not exchanged.
*
* +-----+ +-------+ +-----+
* | UT | | LL_S | | LT |
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -1584,7 +1740,7 @@ void test_conn_update_periph_loc_unsupp_feat_wo_feat_exch(void)
* support Connection Parameters Request procedure, features exchanged.
*
* +-----+ +-------+ +-----+
* | UT | | LL_S | | LT |
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -1638,7 +1794,7 @@ void test_conn_update_periph_loc_unsupp_feat_w_feat_exch(void)
* Central requests change in LE connection parameters, peripheral’s Host accepts.
*
* +-----+ +-------+ +-----+
* | UT | | LL_S | | LT |
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -1809,7 +1965,7 @@ void test_conn_update_periph_loc_collision(void)
* Central requests change in LE connection parameters, peripheral’s Host accepts.
*
* +-----+ +-------+ +-----+
* | UT | | LL_S | | LT |
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_PARAM_REQ |
@ -1934,12 +2090,69 @@ void test_conn_update_periph_rem_accept(void)
"Free CTX buffers %d", ctx_buffers_free());
}
/*
* Central-initiated Connection Parameters Request procedure.
* Central requests change in LE connection with invalid parameters,
*
* +-----+ +-------+ +-----+
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_PARAM_REQ |
* | |<--------------------------|
* | | |
* | | |
* | | LL_REJECT_EXT_IND |
* | |-------------------------->|
* | | |
* | | |
*/
void test_conn_update_periph_rem_invalid_req(void)
{
struct node_tx *tx;
struct pdu_data_llctrl_reject_ext_ind reject_ext_ind = {
.reject_opcode = PDU_DATA_LLCTRL_TYPE_CONN_PARAM_REQ,
.error_code = BT_HCI_ERR_INVALID_LL_PARAM
};
/* Role */
test_set_role(&conn, BT_HCI_ROLE_PERIPHERAL);
/* Connect */
ull_cp_state_set(&conn, ULL_CP_CONNECTED);
/* Prepare */
event_prepare(&conn);
/* Rx */
lt_tx(LL_CONNECTION_PARAM_REQ, &conn, &conn_param_req_invalid);
/* Done */
event_done(&conn);
/* Prepare */
event_prepare(&conn);
/* Tx Queue should have one LL Control PDU */
lt_rx(LL_REJECT_EXT_IND, &conn, &tx, &reject_ext_ind);
lt_rx_q_is_empty(&conn);
/* Done */
event_done(&conn);
/* Release Tx */
ull_cp_release_tx(&conn, tx);
zassert_equal(ctx_buffers_free(), test_ctx_buffers_cnt(),
"Free CTX buffers %d", ctx_buffers_free());
}
/*
* Central-initiated Connection Parameters Request procedure.
* Central requests change in LE connection parameters, peripheral’s Host rejects.
*
* +-----+ +-------+ +-----+
* | UT | | LL_S | | LT |
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_PARAM_REQ |
@ -2020,7 +2233,7 @@ void test_conn_update_periph_rem_reject(void)
* support Connection Parameters Request procedure.
*
* +-----+ +-------+ +-----+
* | UT | | LL_S | | LT |
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_PARAM_REQ |
@ -2054,7 +2267,7 @@ void test_conn_update_periph_rem_unsupp_feat(void)
* Peripheral-initiated Connection Parameters Request procedure is resumed.
*
* +-----+ +-------+ +-----+
* | UT | | LL_S | | LT |
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_PARAM_REQ |
@ -2272,7 +2485,7 @@ void test_conn_update_periph_rem_collision(void)
* Central requests update of LE connection.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -2383,7 +2596,7 @@ void test_conn_update_central_loc_accept_no_param_req(void)
* Central receives Connection Update parameters.
*
* +-----+ +-------+ +-----+
* | UT | | LL_M | | LT |
* | UT | | LL_C | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_UPDATE_IND |
@ -2440,7 +2653,7 @@ void test_conn_update_central_rem_accept_no_param_req(void)
* Peripheral receives Connection Update parameters.
*
* +-----+ +-------+ +-----+
* | UT | | LL_S | | LT |
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | | LL_CONNECTION_UPDATE_IND |
@ -2530,7 +2743,7 @@ void test_conn_update_periph_rem_accept_no_param_req(void)
* Peripheral-initiated Connection Update procedure (not allowed).
*
* +-----+ +-------+ +-----+
* | UT | | LL_S | | LT |
* | UT | | LL_P | | LT |
* +-----+ +-------+ +-----+
* | | |
* | LE Connection Update | |
@ -2577,6 +2790,8 @@ void test_main(void)
central_loc,
ztest_unit_test_setup_teardown(test_conn_update_central_loc_accept,
setup, unit_test_noop),
ztest_unit_test_setup_teardown(test_conn_update_central_loc_invalid_param_rsp,
setup, unit_test_noop),
ztest_unit_test_setup_teardown(test_conn_update_central_loc_reject,
setup, unit_test_noop),
ztest_unit_test_setup_teardown(test_conn_update_central_loc_remote_legacy,
@ -2591,6 +2806,8 @@ void test_main(void)
ztest_test_suite(central_rem,
ztest_unit_test_setup_teardown(test_conn_update_central_rem_accept,
setup, unit_test_noop),
ztest_unit_test_setup_teardown(test_conn_update_central_rem_invalid_req,
setup, unit_test_noop),
ztest_unit_test_setup_teardown(test_conn_update_central_rem_reject,
setup, unit_test_noop),
ztest_unit_test_setup_teardown(test_conn_update_central_rem_unsupp_feat,
@ -2614,6 +2831,8 @@ void test_main(void)
ztest_test_suite(periph_rem,
ztest_unit_test_setup_teardown(test_conn_update_periph_rem_accept,
setup, unit_test_noop),
ztest_unit_test_setup_teardown(test_conn_update_periph_rem_invalid_req,
setup, unit_test_noop),
ztest_unit_test_setup_teardown(test_conn_update_periph_rem_reject,
setup, unit_test_noop),
ztest_unit_test_setup_teardown(test_conn_update_periph_rem_unsupp_feat,