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drivers: modem: hl7800: Add delayed start

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Allow application control for starting modem driver.
This allows network attach to be randomized.

Signed-off-by: Ryan Erickson <ryan.erickson@lairdconnect.com>
This commit is contained in:
Ryan Erickson 2021-08-19 16:24:44 -05:00 • committed by Anas Nashif
commit 11e992099b
3 changed files with 39 additions and 17 deletions
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49
drivers/modem/hl7800.c
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@ -557,6 +557,7 @@ static int write_apn(char *access_point_name);
#ifdef CONFIG_MODEM_HL7800_LOW_POWER_MODE
static void mark_sockets_for_reconfig(void);
#endif
static void hl7800_build_mac(struct hl7800_iface_ctx *ictx);
#ifdef CONFIG_MODEM_HL7800_FW_UPDATE
static char *get_fota_state_string(enum mdm_hl7800_fota_state state);
@ -4189,6 +4190,19 @@ reboot:
allow_sleep(sleep);
/* trigger APN update event */
event_handler(HL7800_EVENT_APN_UPDATE, &ictx.mdm_apn);
#ifdef CONFIG_MODEM_HL7800_DELAY_START
if (!ictx.initialized) {
if (ictx.iface != NULL) {
hl7800_build_mac(&ictx);
net_if_set_link_addr(ictx.iface, ictx.mac_addr,
sizeof(ictx.mac_addr),
NET_LINK_ETHERNET);
ictx.initialized = true;
}
}
#endif
return 0;
error:
@ -4810,19 +4824,15 @@ static struct net_offload offload_funcs = {
.put = offload_put,
};
static inline uint8_t *hl7800_get_mac(const struct device *dev)
/* Use the last 6 digits of the IMEI as the mac address */
static void hl7800_build_mac(struct hl7800_iface_ctx *ictx)
{
struct hl7800_iface_ctx *ctx = dev->data;
/* use the last 6 digits of the IMEI as the mac address */
ctx->mac_addr[0] = ictx.mdm_imei[MDM_HL7800_IMEI_STRLEN - 6];
ctx->mac_addr[1] = ictx.mdm_imei[MDM_HL7800_IMEI_STRLEN - 5];
ctx->mac_addr[2] = ictx.mdm_imei[MDM_HL7800_IMEI_STRLEN - 4];
ctx->mac_addr[3] = ictx.mdm_imei[MDM_HL7800_IMEI_STRLEN - 3];
ctx->mac_addr[4] = ictx.mdm_imei[MDM_HL7800_IMEI_STRLEN - 2];
ctx->mac_addr[5] = ictx.mdm_imei[MDM_HL7800_IMEI_STRLEN - 1];
return ctx->mac_addr;
ictx->mac_addr[0] = ictx->mdm_imei[MDM_HL7800_IMEI_STRLEN - 6];
ictx->mac_addr[1] = ictx->mdm_imei[MDM_HL7800_IMEI_STRLEN - 5];
ictx->mac_addr[2] = ictx->mdm_imei[MDM_HL7800_IMEI_STRLEN - 4];
ictx->mac_addr[3] = ictx->mdm_imei[MDM_HL7800_IMEI_STRLEN - 3];
ictx->mac_addr[4] = ictx->mdm_imei[MDM_HL7800_IMEI_STRLEN - 2];
ictx->mac_addr[5] = ictx->mdm_imei[MDM_HL7800_IMEI_STRLEN - 1];
}
#ifdef CONFIG_MODEM_HL7800_FW_UPDATE
@ -4903,7 +4913,6 @@ static int hl7800_init(const struct device *dev)
}
net_if_flag_set(ictx.iface, NET_IF_NO_AUTO_START);
(void)memset(&ictx, 0, sizeof(ictx));
/* init sockets */
for (i = 0; i < MDM_MAX_SOCKETS; i++) {
ictx.sockets[i].socket_id = -1;
@ -5064,7 +5073,11 @@ static int hl7800_init(const struct device *dev)
RX_THREAD_PRIORITY, 0, K_NO_WAIT),
"hl7800 rx");
#ifdef CONFIG_MODEM_HL7800_DELAY_START
modem_reset();
#else
ret = modem_reset_and_configure();
#endif
return ret;
}
@ -5075,10 +5088,14 @@ static void offload_iface_init(struct net_if *iface)
struct hl7800_iface_ctx *ctx = dev->data;
iface->if_dev->offload = &offload_funcs;
net_if_set_link_addr(iface, hl7800_get_mac(dev), sizeof(ctx->mac_addr),
NET_LINK_ETHERNET);
ctx->iface = iface;
ictx.initialized = true;
if (!IS_ENABLED(CONFIG_MODEM_HL7800_DELAY_START)) {
hl7800_build_mac(&ictx);
net_if_set_link_addr(iface, ictx.mac_addr, sizeof(ictx.mac_addr),
NET_LINK_ETHERNET);
ictx.initialized = true;
}
}
static struct net_if_api api_funcs = {