mirror of git://git.sysmocom.de/ofono
gprs: Use -1 as netreg status during init.
Previously the valid "unknown" netreg status was set during startup, but its a bit problematic for gprs. There might be cases where a LTE context is activated before netreg is finished updating its status. Resulting in gprs taking faulty actions. Instead we set the status to -1 until we are updated with a known value. During the time the status is -1, gprs postpones actions until the status is valid (>= 0).
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src/gprs.c
23
src/gprs.c
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@ -1661,6 +1661,15 @@ static void gprs_netreg_update(struct ofono_gprs *gprs)
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{
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ofono_bool_t attach;
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/*
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* This function can get called by other reasons than netreg
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* updating its status. So check if we have a valid netreg status yet.
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* The only reason for not having a valid status is basically during
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* startup while the netreg atom is fetching the status.
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*/
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if (gprs->netreg_status < 0)
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return;
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attach = gprs->netreg_status == NETWORK_REGISTRATION_STATUS_REGISTERED;
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attach = attach || (gprs->roaming_allowed &&
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@ -3084,7 +3093,7 @@ struct ofono_gprs *ofono_gprs_create(struct ofono_modem *modem,
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}
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gprs->status = NETWORK_REGISTRATION_STATUS_UNKNOWN;
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gprs->netreg_status = NETWORK_REGISTRATION_STATUS_UNKNOWN;
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gprs->netreg_status = -1;
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gprs->used_pids = l_uintset_new(MAX_CONTEXTS);
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return gprs;
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@ -3095,6 +3104,7 @@ static void netreg_watch(struct ofono_atom *atom,
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void *data)
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{
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struct ofono_gprs *gprs = data;
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int status;
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if (cond == OFONO_ATOM_WATCH_CONDITION_UNREGISTERED) {
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gprs_netreg_removed(gprs);
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@ -3102,7 +3112,16 @@ static void netreg_watch(struct ofono_atom *atom,
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}
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gprs->netreg = __ofono_atom_get_data(atom);
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gprs->netreg_status = ofono_netreg_get_status(gprs->netreg);
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status = ofono_netreg_get_status(gprs->netreg);
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/*
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* If the status is known, assign it, otherwise keep the init value
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* to indicate that the netreg atom is not initialised with a known
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* value
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*/
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if (status != NETWORK_REGISTRATION_STATUS_UNKNOWN)
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gprs->netreg_status = status;
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gprs->status_watch = __ofono_netreg_add_status_watch(gprs->netreg,
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netreg_status_changed, gprs, NULL);
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