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shell_commands/ping6: mix-in current time into ID

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This prevents two fast executions of `ping6` behind each other to
confuse their respective responses.
This commit is contained in:
Martine Lenders 2019-07-31 09:49:07 +02:00
parent 699fbc998a
commit 1c7d4572a7
1 changed files with 2 additions and 1 deletions
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3
sys/shell/commands/sc_gnrc_icmpv6_echo.c
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@ -242,8 +242,9 @@ static int _configure(int argc, char **argv, _ping_data_t *data)
if (res != 0) {
_usage(cmdname);
}
data->id ^= (xtimer_now_usec() & UINT16_MAX);
#ifdef MODULE_LUID
luid_custom(&data->id, sizeof(data->id), DEFAULT_ID);
luid_custom(&data->id, sizeof(data->id), data->id);
#endif
return res;
}