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Commit ec886de6 authored by Chaitanya Pratapa's avatar Chaitanya Pratapa Committed by Gerrit - the friendly Code Review server
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ipa: Add support to notify wan upstream iface info 



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: default avatarChaitanya Pratapa <cpratapa@codeaurora.org>
parent e42ec8ba

drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c

+44 −0
Original line number Original line Diff line number Diff line
@@ -64,6 +64,7 @@ enum ipa_ap_ingress_ep_enum { 
#define IPA_QUOTA_REACH_ALERT_MAX_SIZE 64

#define IPA_QUOTA_REACH_ALERT_MAX_SIZE 64

#define IPA_QUOTA_REACH_IF_NAME_MAX_SIZE 64

#define IPA_QUOTA_REACH_IF_NAME_MAX_SIZE 64

#define IPA_UEVENT_NUM_EVNP 4 /* number of event pointers */

#define IPA_UEVENT_NUM_EVNP 4 /* number of event pointers */

#define IPA_UPSTREAM_ALERT_MAX_SIZE 64





#define IPA_NETDEV() \

#define IPA_NETDEV() \

	((rmnet_ipa3_ctx && rmnet_ipa3_ctx->wwan_priv) ? \

	((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;

	uint32_t bw_mbps = 0;

	int ret = 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)

	if (!state)

		return -EINVAL;

		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);

		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;

	return ret;

}

}