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ipa: Add support to notify wan upstream iface info

Bladeren bron 
Netmgr requires upstream iface info whenever tethering is
enabled to toggle RSB advanced feature on/off for the
respective upstream iface. Make changes to give provision
to get upstream iface whenever tethering is enabled and
post a uevent.

Change-Id: I841e334fa9000dd5a0f0cc4fce52c5432f67cba8
Signed-off-by: Chaitanya Pratapa <cpratapa@codeaurora.org>
This commit is contained in:
Chaitanya Pratapa
2020-05-21 21:28:56 -07:00
gecommit door Gerrit - the friendly Code Review server
bovenliggende e42ec8bab3
commit ec886de69e
1 gewijzigde bestanden met toevoegingen van 44 en 0 verwijderingen
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44
drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c
Bestand weergeven

@@ -64,6 +64,7 @@ enum ipa_ap_ingress_ep_enum {
#define IPA_QUOTA_REACH_ALERT_MAX_SIZE 64
#define IPA_QUOTA_REACH_IF_NAME_MAX_SIZE 64
#define IPA_UEVENT_NUM_EVNP 4 /* number of event pointers */
#define IPA_UPSTREAM_ALERT_MAX_SIZE 64
#define IPA_NETDEV() \
((rmnet_ipa3_ctx && rmnet_ipa3_ctx->wwan_priv) ? \
@@ -2184,6 +2185,12 @@ int ipa3_wwan_set_modem_state(struct wan_ioctl_notify_wan_state *state)
{
uint32_t bw_mbps = 0;
int ret = 0;
char alert_msg[IPA_UPSTREAM_ALERT_MAX_SIZE];
char wan_iface[IPA_UPSTREAM_ALERT_MAX_SIZE];
char wan_state[IPA_UPSTREAM_ALERT_MAX_SIZE];
char *envp[IPA_UEVENT_NUM_EVNP] = {
alert_msg, wan_iface, wan_state, NULL};
int res;
if (!state)
return -EINVAL;
@@ -2211,6 +2218,43 @@ int ipa3_wwan_set_modem_state(struct wan_ioctl_notify_wan_state *state)
}
ret = ipa_pm_deactivate_sync(rmnet_ipa3_ctx->q6_teth_pm_hdl);
}
/* Send upstream state uevent if RSC/RSB is enabled. */
if (IPA_NETDEV() && (IPA_NETDEV()->features & NETIF_F_GRO_HW)) {
res = snprintf(alert_msg, IPA_UPSTREAM_ALERT_MAX_SIZE,
"ALERT_NAME=%s", "upstreamEvent");
if ((res >= IPA_UPSTREAM_ALERT_MAX_SIZE) || (res < 0)) {
IPAWANERR("alert message invalid (%d)", res);
} else {
state->upstreamIface[IFNAMSIZ - 1] = '\0';
res = snprintf(wan_iface,
IPA_UPSTREAM_ALERT_MAX_SIZE,
"UPSTREAM=%s", state->upstreamIface);
if ((res >= IPA_UPSTREAM_ALERT_MAX_SIZE) ||
(res < 0)) {
IPAWANERR("Iface name invalid (%d)", res);
} else {
res = snprintf(wan_state,
IPA_UPSTREAM_ALERT_MAX_SIZE,
"STATE=%s",
(state->up ? "UP" : "DOWN"));
if ((res >= IPA_UPSTREAM_ALERT_MAX_SIZE) ||
(res < 0)) {
IPAWANERR("Iface state invalid (%d)",
res);
} else {
IPAWANERR("nlmsg: <%s> <%s> <%s>\n",
alert_msg, wan_iface, wan_state);
if (IPA_NETDEV())
kobject_uevent_env(
&(IPA_NETDEV()->dev.kobj),
KOBJ_CHANGE, envp);
}
}
}
}
return ret;
}