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RPL: fix indentation (rpl-icmp6.c)

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This commit is contained in:
Yasuyuki Tanaka 2017-02-07 23:11:36 +01:00
parent e9ee15efde
commit b7b23b712f
1 changed files with 155 additions and 155 deletions
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310
core/net/rpl/rpl-icmp6.c
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@ -79,7 +79,7 @@ static void dao_input(void);
static void dao_ack_input(void);
static void dao_output_target_seq(rpl_parent_t *parent, uip_ipaddr_t *prefix,
uint8_t lifetime, uint8_t seq_no);
uint8_t lifetime, uint8_t seq_no);
/* some debug callbacks useful when debugging RPL networks */
#ifdef RPL_DEBUG_DIO_INPUT
@ -158,8 +158,8 @@ get_global_addr(uip_ipaddr_t *addr)
static uint32_t
get32(uint8_t *buffer, int pos)
{
return (uint32_t)buffer[pos] << 24 | (uint32_t)buffer[pos + 1] << 16 |
(uint32_t)buffer[pos + 2] << 8 | buffer[pos + 3];
return ((uint32_t)buffer[pos] << 24 | (uint32_t)buffer[pos + 1] << 16 |
(uint32_t)buffer[pos + 2] << 8 | buffer[pos + 3]);
}
/*---------------------------------------------------------------------------*/
static void
@ -202,7 +202,7 @@ rpl_icmp6_update_nbr_table(uip_ipaddr_t *from, nbr_table_reason_t reason, void *
}
return nbr;
}
}
/*---------------------------------------------------------------------------*/
static void
dis_input(void)
@ -238,7 +238,7 @@ dis_input(void)
PRINTF("RPL: Unicast DIS, reply to sender\n");
dio_output(instance, &UIP_IP_BUF->srcipaddr);
}
/* } */
/* } */
}
}
}
@ -355,103 +355,103 @@ dio_input(void)
PRINTF("RPL: DIO option %u, length: %u\n", subopt_type, len - 2);
switch(subopt_type) {
case RPL_OPTION_DAG_METRIC_CONTAINER:
if(len < 6) {
PRINTF("RPL: Invalid DAG MC, len = %d\n", len);
RPL_STAT(rpl_stats.malformed_msgs++);
goto discard;
}
dio.mc.type = buffer[i + 2];
dio.mc.flags = buffer[i + 3] << 1;
dio.mc.flags |= buffer[i + 4] >> 7;
dio.mc.aggr = (buffer[i + 4] >> 4) & 0x3;
dio.mc.prec = buffer[i + 4] & 0xf;
dio.mc.length = buffer[i + 5];
case RPL_OPTION_DAG_METRIC_CONTAINER:
if(len < 6) {
PRINTF("RPL: Invalid DAG MC, len = %d\n", len);
RPL_STAT(rpl_stats.malformed_msgs++);
goto discard;
}
dio.mc.type = buffer[i + 2];
dio.mc.flags = buffer[i + 3] << 1;
dio.mc.flags |= buffer[i + 4] >> 7;
dio.mc.aggr = (buffer[i + 4] >> 4) & 0x3;
dio.mc.prec = buffer[i + 4] & 0xf;
dio.mc.length = buffer[i + 5];
if(dio.mc.type == RPL_DAG_MC_NONE) {
/* No metric container: do nothing */
} else if(dio.mc.type == RPL_DAG_MC_ETX) {
dio.mc.obj.etx = get16(buffer, i + 6);
if(dio.mc.type == RPL_DAG_MC_NONE) {
/* No metric container: do nothing */
} else if(dio.mc.type == RPL_DAG_MC_ETX) {
dio.mc.obj.etx = get16(buffer, i + 6);
PRINTF("RPL: DAG MC: type %u, flags %u, aggr %u, prec %u, length %u, ETX %u\n",
(unsigned)dio.mc.type,
(unsigned)dio.mc.flags,
(unsigned)dio.mc.aggr,
(unsigned)dio.mc.prec,
(unsigned)dio.mc.length,
(unsigned)dio.mc.obj.etx);
} else if(dio.mc.type == RPL_DAG_MC_ENERGY) {
dio.mc.obj.energy.flags = buffer[i + 6];
dio.mc.obj.energy.energy_est = buffer[i + 7];
} else {
PRINTF("RPL: Unhandled DAG MC type: %u\n", (unsigned)dio.mc.type);
goto discard;
}
break;
case RPL_OPTION_ROUTE_INFO:
if(len < 9) {
PRINTF("RPL: Invalid destination prefix option, len = %d\n", len);
RPL_STAT(rpl_stats.malformed_msgs++);
goto discard;
}
PRINTF("RPL: DAG MC: type %u, flags %u, aggr %u, prec %u, length %u, ETX %u\n",
(unsigned)dio.mc.type,
(unsigned)dio.mc.flags,
(unsigned)dio.mc.aggr,
(unsigned)dio.mc.prec,
(unsigned)dio.mc.length,
(unsigned)dio.mc.obj.etx);
} else if(dio.mc.type == RPL_DAG_MC_ENERGY) {
dio.mc.obj.energy.flags = buffer[i + 6];
dio.mc.obj.energy.energy_est = buffer[i + 7];
} else {
PRINTF("RPL: Unhandled DAG MC type: %u\n", (unsigned)dio.mc.type);
goto discard;
}
break;
case RPL_OPTION_ROUTE_INFO:
if(len < 9) {
PRINTF("RPL: Invalid destination prefix option, len = %d\n", len);
RPL_STAT(rpl_stats.malformed_msgs++);
goto discard;
}
/* The flags field includes the preference value. */
dio.destination_prefix.length = buffer[i + 2];
dio.destination_prefix.flags = buffer[i + 3];
dio.destination_prefix.lifetime = get32(buffer, i + 4);
/* The flags field includes the preference value. */
dio.destination_prefix.length = buffer[i + 2];
dio.destination_prefix.flags = buffer[i + 3];
dio.destination_prefix.lifetime = get32(buffer, i + 4);
if(((dio.destination_prefix.length + 7) / 8) + 8 <= len &&
dio.destination_prefix.length <= 128) {
PRINTF("RPL: Copying destination prefix\n");
memcpy(&dio.destination_prefix.prefix, &buffer[i + 8],
(dio.destination_prefix.length + 7) / 8);
} else {
PRINTF("RPL: Invalid route info option, len = %d\n", len);
RPL_STAT(rpl_stats.malformed_msgs++);
goto discard;
}
if(((dio.destination_prefix.length + 7) / 8) + 8 <= len &&
dio.destination_prefix.length <= 128) {
PRINTF("RPL: Copying destination prefix\n");
memcpy(&dio.destination_prefix.prefix, &buffer[i + 8],
(dio.destination_prefix.length + 7) / 8);
} else {
PRINTF("RPL: Invalid route info option, len = %d\n", len);
RPL_STAT(rpl_stats.malformed_msgs++);
goto discard;
}
break;
case RPL_OPTION_DAG_CONF:
if(len != 16) {
PRINTF("RPL: Invalid DAG configuration option, len = %d\n", len);
RPL_STAT(rpl_stats.malformed_msgs++);
goto discard;
}
break;
case RPL_OPTION_DAG_CONF:
if(len != 16) {
PRINTF("RPL: Invalid DAG configuration option, len = %d\n", len);
RPL_STAT(rpl_stats.malformed_msgs++);
goto discard;
}
/* Path control field not yet implemented - at i + 2 */
dio.dag_intdoubl = buffer[i + 3];
dio.dag_intmin = buffer[i + 4];
dio.dag_redund = buffer[i + 5];
dio.dag_max_rankinc = get16(buffer, i + 6);
dio.dag_min_hoprankinc = get16(buffer, i + 8);
dio.ocp = get16(buffer, i + 10);
/* buffer + 12 is reserved */
dio.default_lifetime = buffer[i + 13];
dio.lifetime_unit = get16(buffer, i + 14);
PRINTF("RPL: DAG conf:dbl=%d, min=%d red=%d maxinc=%d mininc=%d ocp=%d d_l=%u l_u=%u\n",
dio.dag_intdoubl, dio.dag_intmin, dio.dag_redund,
dio.dag_max_rankinc, dio.dag_min_hoprankinc, dio.ocp,
dio.default_lifetime, dio.lifetime_unit);
break;
case RPL_OPTION_PREFIX_INFO:
if(len != 32) {
PRINTF("RPL: Invalid DAG prefix info, len != 32\n");
RPL_STAT(rpl_stats.malformed_msgs++);
goto discard;
}
dio.prefix_info.length = buffer[i + 2];
dio.prefix_info.flags = buffer[i + 3];
/* valid lifetime is ingnored for now - at i + 4 */
/* preferred lifetime stored in lifetime */
dio.prefix_info.lifetime = get32(buffer, i + 8);
/* 32-bit reserved at i + 12 */
PRINTF("RPL: Copying prefix information\n");
memcpy(&dio.prefix_info.prefix, &buffer[i + 16], 16);
break;
default:
PRINTF("RPL: Unsupported suboption type in DIO: %u\n",
(unsigned)subopt_type);
/* Path control field not yet implemented - at i + 2 */
dio.dag_intdoubl = buffer[i + 3];
dio.dag_intmin = buffer[i + 4];
dio.dag_redund = buffer[i + 5];
dio.dag_max_rankinc = get16(buffer, i + 6);
dio.dag_min_hoprankinc = get16(buffer, i + 8);
dio.ocp = get16(buffer, i + 10);
/* buffer + 12 is reserved */
dio.default_lifetime = buffer[i + 13];
dio.lifetime_unit = get16(buffer, i + 14);
PRINTF("RPL: DAG conf:dbl=%d, min=%d red=%d maxinc=%d mininc=%d ocp=%d d_l=%u l_u=%u\n",
dio.dag_intdoubl, dio.dag_intmin, dio.dag_redund,
dio.dag_max_rankinc, dio.dag_min_hoprankinc, dio.ocp,
dio.default_lifetime, dio.lifetime_unit);
break;
case RPL_OPTION_PREFIX_INFO:
if(len != 32) {
PRINTF("RPL: Invalid DAG prefix info, len != 32\n");
RPL_STAT(rpl_stats.malformed_msgs++);
goto discard;
}
dio.prefix_info.length = buffer[i + 2];
dio.prefix_info.flags = buffer[i + 3];
/* valid lifetime is ingnored for now - at i + 4 */
/* preferred lifetime stored in lifetime */
dio.prefix_info.lifetime = get32(buffer, i + 8);
/* 32-bit reserved at i + 12 */
PRINTF("RPL: Copying prefix information\n");
memcpy(&dio.prefix_info.prefix, &buffer[i + 16], 16);
break;
default:
PRINTF("RPL: Unsupported suboption type in DIO: %u\n",
(unsigned)subopt_type);
}
}
@ -461,7 +461,7 @@ dio_input(void)
rpl_process_dio(&from, &dio);
discard:
discard:
uip_clear_buf();
}
/*---------------------------------------------------------------------------*/
@ -546,7 +546,7 @@ dio_output(rpl_instance_t *instance, uip_ipaddr_t *uc_addr)
buffer[pos++] = instance->mc.obj.energy.energy_est;
} else {
PRINTF("RPL: Unable to send DIO because of unhandled DAG MC type %u\n",
(unsigned)instance->mc.type);
(unsigned)instance->mc.type);
return;
}
}
@ -600,7 +600,7 @@ dio_output(rpl_instance_t *instance, uip_ipaddr_t *uc_addr)
}
#endif /* DEBUG_PRINT */
PRINTF("RPL: Sending unicast-DIO with rank %u to ",
(unsigned)dag->rank);
(unsigned)dag->rank);
PRINT6ADDR(uc_addr);
PRINTF("\n");
uip_icmp6_send(uc_addr, ICMP6_RPL, RPL_CODE_DIO, pos);
@ -608,12 +608,12 @@ dio_output(rpl_instance_t *instance, uip_ipaddr_t *uc_addr)
/* Unicast requests get unicast replies! */
if(uc_addr == NULL) {
PRINTF("RPL: Sending a multicast-DIO with rank %u\n",
(unsigned)instance->current_dag->rank);
(unsigned)instance->current_dag->rank);
uip_create_linklocal_rplnodes_mcast(&addr);
uip_icmp6_send(&addr, ICMP6_RPL, RPL_CODE_DIO, pos);
} else {
PRINTF("RPL: Sending unicast-DIO with rank %u to ",
(unsigned)instance->current_dag->rank);
(unsigned)instance->current_dag->rank);
PRINT6ADDR(uc_addr);
PRINTF("\n");
uip_icmp6_send(uc_addr, ICMP6_RPL, RPL_CODE_DIO, pos);
@ -636,8 +636,8 @@ dao_input_storing(void)
uint8_t flags;
uint8_t subopt_type;
/*
uint8_t pathcontrol;
uint8_t pathsequence;
uint8_t pathcontrol;
uint8_t pathsequence;
*/
uip_ipaddr_t prefix;
uip_ds6_route_t *rep;
@ -683,11 +683,11 @@ dao_input_storing(void)
}
learned_from = uip_is_addr_mcast(&dao_sender_addr) ?
RPL_ROUTE_FROM_MULTICAST_DAO : RPL_ROUTE_FROM_UNICAST_DAO;
RPL_ROUTE_FROM_MULTICAST_DAO : RPL_ROUTE_FROM_UNICAST_DAO;
/* Destination Advertisement Object */
PRINTF("RPL: Received a (%s) DAO with sequence number %u from ",
learned_from == RPL_ROUTE_FROM_UNICAST_DAO? "unicast": "multicast", sequence);
learned_from == RPL_ROUTE_FROM_UNICAST_DAO? "unicast": "multicast", sequence);
PRINT6ADDR(&dao_sender_addr);
PRINTF("\n");
@ -699,7 +699,7 @@ dao_input_storing(void)
if(parent != NULL &&
DAG_RANK(parent->rank, instance) < DAG_RANK(dag->rank, instance)) {
PRINTF("RPL: Loop detected when receiving a unicast DAO from a node with a lower rank! (%u < %u)\n",
DAG_RANK(parent->rank, instance), DAG_RANK(dag->rank, instance));
DAG_RANK(parent->rank, instance), DAG_RANK(dag->rank, instance));
parent->rank = INFINITE_RANK;
parent->flags |= RPL_PARENT_FLAG_UPDATED;
return;
@ -725,24 +725,24 @@ dao_input_storing(void)
}
switch(subopt_type) {
case RPL_OPTION_TARGET:
/* Handle the target option. */
prefixlen = buffer[i + 3];
memset(&prefix, 0, sizeof(prefix));
memcpy(&prefix, buffer + i + 4, (prefixlen + 7) / CHAR_BIT);
break;
case RPL_OPTION_TRANSIT:
/* The path sequence and control are ignored. */
/* pathcontrol = buffer[i + 3];
pathsequence = buffer[i + 4];*/
lifetime = buffer[i + 5];
/* The parent address is also ignored. */
break;
case RPL_OPTION_TARGET:
/* Handle the target option. */
prefixlen = buffer[i + 3];
memset(&prefix, 0, sizeof(prefix));
memcpy(&prefix, buffer + i + 4, (prefixlen + 7) / CHAR_BIT);
break;
case RPL_OPTION_TRANSIT:
/* The path sequence and control are ignored. */
/* pathcontrol = buffer[i + 3];
pathsequence = buffer[i + 4];*/
lifetime = buffer[i + 5];
/* The parent address is also ignored. */
break;
}
}
PRINTF("RPL: DAO lifetime: %u, prefix length: %u prefix: ",
(unsigned)lifetime, (unsigned)prefixlen);
(unsigned)lifetime, (unsigned)prefixlen);
PRINT6ADDR(&prefix);
PRINTF("\n");
@ -781,7 +781,7 @@ dao_input_storing(void)
out_seq = prepare_for_dao_fwd(sequence, rep);
PRINTF("RPL: Forwarding No-path DAO to parent - out_seq:%d",
out_seq);
out_seq);
PRINT6ADDR(rpl_get_parent_ipaddr(dag->preferred_parent));
PRINTF("\n");
@ -813,8 +813,8 @@ dao_input_storing(void)
if(flags & RPL_DAO_K_FLAG) {
/* signal the failure to add the node */
dao_ack_output(instance, &dao_sender_addr, sequence,
is_root ? RPL_DAO_ACK_UNABLE_TO_ADD_ROUTE_AT_ROOT :
RPL_DAO_ACK_UNABLE_TO_ACCEPT);
is_root ? RPL_DAO_ACK_UNABLE_TO_ADD_ROUTE_AT_ROOT :
RPL_DAO_ACK_UNABLE_TO_ACCEPT);
}
return;
}
@ -826,8 +826,8 @@ dao_input_storing(void)
if(flags & RPL_DAO_K_FLAG) {
/* signal the failure to add the node */
dao_ack_output(instance, &dao_sender_addr, sequence,
is_root ? RPL_DAO_ACK_UNABLE_TO_ADD_ROUTE_AT_ROOT :
RPL_DAO_ACK_UNABLE_TO_ACCEPT);
is_root ? RPL_DAO_ACK_UNABLE_TO_ADD_ROUTE_AT_ROOT :
RPL_DAO_ACK_UNABLE_TO_ACCEPT);
}
return;
}
@ -852,7 +852,7 @@ fwd_dao:
*/
if((!RPL_ROUTE_IS_DAO_PENDING(rep) &&
rep->state.dao_seqno_in == sequence) ||
dag->rank == ROOT_RANK(instance)) {
dag->rank == ROOT_RANK(instance)) {
should_ack = 1;
}
}
@ -948,26 +948,26 @@ dao_input_nonstoring(void)
}
switch(subopt_type) {
case RPL_OPTION_TARGET:
/* Handle the target option. */
prefixlen = buffer[i + 3];
memset(&prefix, 0, sizeof(prefix));
memcpy(&prefix, buffer + i + 4, (prefixlen + 7) / CHAR_BIT);
break;
case RPL_OPTION_TRANSIT:
/* The path sequence and control are ignored. */
/* pathcontrol = buffer[i + 3];
pathsequence = buffer[i + 4];*/
lifetime = buffer[i + 5];
if(len >= 20) {
memcpy(&dao_parent_addr, buffer + i + 6, 16);
}
break;
case RPL_OPTION_TARGET:
/* Handle the target option. */
prefixlen = buffer[i + 3];
memset(&prefix, 0, sizeof(prefix));
memcpy(&prefix, buffer + i + 4, (prefixlen + 7) / CHAR_BIT);
break;
case RPL_OPTION_TRANSIT:
/* The path sequence and control are ignored. */
/* pathcontrol = buffer[i + 3];
pathsequence = buffer[i + 4];*/
lifetime = buffer[i + 5];
if(len >= 20) {
memcpy(&dao_parent_addr, buffer + i + 6, 16);
}
break;
}
}
PRINTF("RPL: DAO lifetime: %u, prefix length: %u prefix: ",
(unsigned)lifetime, (unsigned)prefixlen);
(unsigned)lifetime, (unsigned)prefixlen);
PRINT6ADDR(&prefix);
PRINTF(", parent: ");
PRINT6ADDR(&dao_parent_addr);
@ -987,7 +987,7 @@ dao_input_nonstoring(void)
PRINTF("RPL: Sending DAO ACK\n");
uip_clear_buf();
dao_ack_output(instance, &dao_sender_addr, sequence,
RPL_DAO_ACK_UNCONDITIONAL_ACCEPT);
RPL_DAO_ACK_UNCONDITIONAL_ACCEPT);
}
#endif /* RPL_WITH_NON_STORING */
}
@ -1017,7 +1017,7 @@ dao_input(void)
dao_input_nonstoring();
}
discard:
discard:
uip_clear_buf();
}
/*---------------------------------------------------------------------------*/
@ -1059,7 +1059,7 @@ handle_dao_retransmission(void *ptr)
}
PRINTF("RPL: will retransmit DAO - seq:%d trans:%d\n", instance->my_dao_seqno,
instance->my_dao_transmissions);
instance->my_dao_transmissions);
if(get_global_addr(&prefix) == 0) {
return;
@ -1068,11 +1068,11 @@ handle_dao_retransmission(void *ptr)
ctimer_set(&instance->dao_retransmit_timer,
RPL_DAO_RETRANSMISSION_TIMEOUT / 2 +
(random_rand() % (RPL_DAO_RETRANSMISSION_TIMEOUT / 2)),
handle_dao_retransmission, parent);
handle_dao_retransmission, parent);
instance->my_dao_transmissions++;
dao_output_target_seq(parent, &prefix,
instance->default_lifetime, instance->my_dao_seqno);
instance->default_lifetime, instance->my_dao_seqno);
}
#endif /* RPL_WITH_DAO_ACK */
/*---------------------------------------------------------------------------*/
@ -1103,11 +1103,11 @@ dao_output(rpl_parent_t *parent, uint8_t lifetime)
instance->my_dao_seqno = dao_sequence;
instance->my_dao_transmissions = 1;
ctimer_set(&instance->dao_retransmit_timer, RPL_DAO_RETRANSMISSION_TIMEOUT,
handle_dao_retransmission, parent);
handle_dao_retransmission, parent);
}
#else
/* We know that we have tried to register so now we are assuming
that we have a down-link - unless this is a zero lifetime one */
/* We know that we have tried to register so now we are assuming
that we have a down-link - unless this is a zero lifetime one */
parent->dag->instance->has_downward_route = lifetime != RPL_ZERO_LIFETIME;
#endif /* RPL_WITH_DAO_ACK */
@ -1123,7 +1123,7 @@ dao_output_target(rpl_parent_t *parent, uip_ipaddr_t *prefix, uint8_t lifetime)
/*---------------------------------------------------------------------------*/
static void
dao_output_target_seq(rpl_parent_t *parent, uip_ipaddr_t *prefix,
uint8_t lifetime, uint8_t seq_no)
uint8_t lifetime, uint8_t seq_no)
{
rpl_dag_t *dag;
rpl_instance_t *instance;
@ -1223,7 +1223,7 @@ dao_output_target_seq(rpl_parent_t *parent, uip_ipaddr_t *prefix,
}
PRINTF("RPL: Sending a %sDAO with sequence number %u, lifetime %u, prefix ",
lifetime == RPL_ZERO_LIFETIME ? "No-Path " : "", seq_no, lifetime);
lifetime == RPL_ZERO_LIFETIME ? "No-Path " : "", seq_no, lifetime);
PRINT6ADDR(prefix);
PRINTF(" to ");
@ -1273,8 +1273,8 @@ dao_ack_input(void)
}
PRINTF("RPL: Received a DAO %s with sequence number %d (%d) and status %d from ",
status < 128 ? "ACK" : "NACK",
sequence, instance->my_dao_seqno, status);
status < 128 ? "ACK" : "NACK",
sequence, instance->my_dao_seqno, status);
PRINT6ADDR(&UIP_IP_BUF->srcipaddr);
PRINTF("\n");
@ -1333,7 +1333,7 @@ dao_ack_input(void)
/*---------------------------------------------------------------------------*/
void
dao_ack_output(rpl_instance_t *instance, uip_ipaddr_t *dest, uint8_t sequence,
uint8_t status)
uint8_t status)
{
#if RPL_WITH_DAO_ACK
unsigned char *buffer;