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Commit 4f8b483c authored by Amir Levy's avatar Amir Levy
Browse files

msm: ipa4: add IOCTL for bridge to vlan mapping 



IPACM needs info about bridge association with VLANs.
Add an IOCTL to send this info to IPACM.

Change-Id: Ifeaec348339cd9dd7cf6b507346b61f570861bfc
Signed-off-by: default avatarAmir Levy <alevy@codeaurora.org>
parent 8fc190af

drivers/platform/msm/ipa/ipa_v2/ipa_debugfs.c

+2 −0
Original line number Diff line number Diff line
@@ -89,6 +89,8 @@ const char *ipa_event_name[] = { 
	__stringify(DEL_L2TP_VLAN_MAPPING),

	__stringify(IPA_PER_CLIENT_STATS_CONNECT_EVENT),

	__stringify(IPA_PER_CLIENT_STATS_DISCONNECT_EVENT),

	__stringify(ADD_BRIDGE_VLAN_MAPPING),

	__stringify(DEL_BRIDGE_VLAN_MAPPING),

};



const char *ipa_hdr_l2_type_name[] = {

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

+65 −26
Original line number Diff line number Diff line
@@ -499,10 +499,15 @@ static void ipa3_vlan_l2tp_msg_free_cb(void *buff, u32 len, u32 type) 
		return;

	}



	if (type != ADD_VLAN_IFACE &&

	    type != DEL_VLAN_IFACE &&

	    type != ADD_L2TP_VLAN_MAPPING &&

		type != DEL_L2TP_VLAN_MAPPING) {

	switch (type) {

	case ADD_VLAN_IFACE:

	case DEL_VLAN_IFACE:

	case ADD_L2TP_VLAN_MAPPING:

	case DEL_L2TP_VLAN_MAPPING:

	case ADD_BRIDGE_VLAN_MAPPING:

	case DEL_BRIDGE_VLAN_MAPPING:

		break;

	default:

		IPAERR("Wrong type given. buff %pK type %d\n", buff, type);

		return;

	}
@@ -515,10 +520,17 @@ static int ipa3_send_vlan_l2tp_msg(unsigned long usr_param, uint8_t msg_type) 
	int retval;

	struct ipa_ioc_vlan_iface_info *vlan_info;

	struct ipa_ioc_l2tp_vlan_mapping_info *mapping_info;

	struct ipa_ioc_bridge_vlan_mapping_info *bridge_vlan_info;

	struct ipa_msg_meta msg_meta;

	void *buff;



	IPADBG("type %d\n", msg_type);



	memset(&msg_meta, 0, sizeof(msg_meta));

	msg_meta.msg_type = msg_type;



	if (msg_type == ADD_VLAN_IFACE ||

		msg_type == DEL_VLAN_IFACE) {

	if ((msg_type == ADD_VLAN_IFACE) ||

		(msg_type == DEL_VLAN_IFACE)) {

		vlan_info = kzalloc(sizeof(struct ipa_ioc_vlan_iface_info),

			GFP_KERNEL);

		if (!vlan_info) {
@@ -532,18 +544,10 @@ static int ipa3_send_vlan_l2tp_msg(unsigned long usr_param, uint8_t msg_type) 
			return -EFAULT;

		}



		memset(&msg_meta, 0, sizeof(msg_meta));

		msg_meta.msg_type = msg_type;

		msg_meta.msg_len = sizeof(struct ipa_ioc_vlan_iface_info);

		retval = ipa3_send_msg(&msg_meta, vlan_info,

			ipa3_vlan_l2tp_msg_free_cb);

		if (retval) {

			IPAERR("ipa3_send_msg failed: %d\n", retval);

			kfree(vlan_info);

			return retval;

		}

	} else if (msg_type == ADD_L2TP_VLAN_MAPPING ||

		msg_type == DEL_L2TP_VLAN_MAPPING) {

		buff = vlan_info;

	} else if ((msg_type == ADD_L2TP_VLAN_MAPPING) ||

		(msg_type == DEL_L2TP_VLAN_MAPPING)) {

		mapping_info = kzalloc(sizeof(struct

			ipa_ioc_l2tp_vlan_mapping_info), GFP_KERNEL);

		if (!mapping_info) {
@@ -558,22 +562,46 @@ static int ipa3_send_vlan_l2tp_msg(unsigned long usr_param, uint8_t msg_type) 
			return -EFAULT;

		}



		memset(&msg_meta, 0, sizeof(msg_meta));

		msg_meta.msg_type = msg_type;

		msg_meta.msg_len = sizeof(struct

			ipa_ioc_l2tp_vlan_mapping_info);

		retval = ipa3_send_msg(&msg_meta, mapping_info,

			ipa3_vlan_l2tp_msg_free_cb);

		if (retval) {

			IPAERR("ipa3_send_msg failed: %d\n", retval);

			kfree(mapping_info);

			return retval;

		buff = mapping_info;

	} else if ((msg_type == ADD_BRIDGE_VLAN_MAPPING) ||

		(msg_type == DEL_BRIDGE_VLAN_MAPPING)) {

		bridge_vlan_info = kzalloc(

			sizeof(struct ipa_ioc_bridge_vlan_mapping_info),

			GFP_KERNEL);

		if (!bridge_vlan_info) {

			IPAERR("no memory\n");

			return -ENOMEM;

		}



		if (copy_from_user((u8 *)bridge_vlan_info,

			(void __user *)usr_param,

			sizeof(struct ipa_ioc_bridge_vlan_mapping_info))) {

			kfree(bridge_vlan_info);

			IPAERR("copy from user failed\n");

			return -EFAULT;

		}



		msg_meta.msg_len = sizeof(struct

			ipa_ioc_bridge_vlan_mapping_info);

		buff = bridge_vlan_info;

	} else {

		IPAERR("Unexpected event\n");

		return -EFAULT;

	}



	retval = ipa3_send_msg(&msg_meta, buff,

		ipa3_vlan_l2tp_msg_free_cb);

	if (retval) {

		IPAERR("ipa3_send_msg failed: %d, msg_type %d\n",

			retval,

			msg_type);

		kfree(buff);

		return retval;

	}

	IPADBG("exit\n");



	return 0;

}
@@ -1726,7 +1754,18 @@ static long ipa3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) 
			break;

		}

		break;



	case IPA_IOC_ADD_BRIDGE_VLAN_MAPPING:

		if (ipa3_send_vlan_l2tp_msg(arg, ADD_BRIDGE_VLAN_MAPPING)) {

			retval = -EFAULT;

			break;

		}

		break;

	case IPA_IOC_DEL_BRIDGE_VLAN_MAPPING:

		if (ipa3_send_vlan_l2tp_msg(arg, DEL_BRIDGE_VLAN_MAPPING)) {

			retval = -EFAULT;

			break;

		}

		break;

	case IPA_IOC_ADD_L2TP_VLAN_MAPPING:

		if (ipa3_send_vlan_l2tp_msg(arg, ADD_L2TP_VLAN_MAPPING)) {

			retval = -EFAULT;

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

+2 −0
Original line number Diff line number Diff line
@@ -73,6 +73,8 @@ const char *ipa3_event_name[] = { 
	__stringify(DEL_L2TP_VLAN_MAPPING),

	__stringify(IPA_PER_CLIENT_STATS_CONNECT_EVENT),

	__stringify(IPA_PER_CLIENT_STATS_DISCONNECT_EVENT),

	__stringify(ADD_BRIDGE_VLAN_MAPPING),

	__stringify(DEL_BRIDGE_VLAN_MAPPING),

};



const char *ipa3_hdr_l2_type_name[] = {

include/uapi/linux/msm_ipa.h

+32 −1
Original line number Diff line number Diff line
@@ -98,6 +98,8 @@ 
#define IPA_IOCTL_CLEANUP                       56

#define IPA_IOCTL_QUERY_WLAN_CLIENT             57

#define IPA_IOCTL_GET_VLAN_MODE                 58

#define IPA_IOCTL_ADD_BRIDGE_VLAN_MAPPING       59

#define IPA_IOCTL_DEL_BRIDGE_VLAN_MAPPING       60



/**

 * max size of the header to be inserted
@@ -512,7 +514,13 @@ enum ipa_per_client_stats_event { 
	IPA_PER_CLIENT_STATS_EVENT_MAX

};



#define IPA_EVENT_MAX_NUM (IPA_PER_CLIENT_STATS_EVENT_MAX)

enum ipa_vlan_bridge_event {

	ADD_BRIDGE_VLAN_MAPPING = IPA_PER_CLIENT_STATS_EVENT_MAX,

	DEL_BRIDGE_VLAN_MAPPING,

	BRIDGE_VLAN_MAPPING_MAX

};



#define IPA_EVENT_MAX_NUM (BRIDGE_VLAN_MAPPING_MAX)

#define IPA_EVENT_MAX ((int)IPA_EVENT_MAX_NUM)



/**
@@ -1871,6 +1879,20 @@ struct ipa_ioc_get_vlan_mode { 
	uint32_t is_vlan_mode;

};



/**

 * struct ipa_ioc_bridge_vlan_mapping_info - vlan to bridge mapping info

 * @bridge_name: bridge interface name

 * @vlan_id: vlan ID bridge is mapped to

 * @bridge_ipv4: bridge interface ipv4 address

 * @subnet_mask: bridge interface subnet mask

 */

struct ipa_ioc_bridge_vlan_mapping_info {

	char bridge_name[IPA_RESOURCE_NAME_MAX];

	uint16_t vlan_id;

	uint32_t bridge_ipv4;

	uint32_t subnet_mask;

};



/**

 *   actual IOCTLs supported by IPA driver

 */
@@ -2056,6 +2078,15 @@ struct ipa_ioc_get_vlan_mode { 
#define IPA_IOC_GET_VLAN_MODE _IOWR(IPA_IOC_MAGIC, \

				IPA_IOCTL_GET_VLAN_MODE, \

				struct ipa_ioc_get_vlan_mode *)



#define IPA_IOC_ADD_BRIDGE_VLAN_MAPPING _IOWR(IPA_IOC_MAGIC, \

				IPA_IOCTL_ADD_BRIDGE_VLAN_MAPPING, \

				struct ipa_ioc_bridge_vlan_mapping_info)



#define IPA_IOC_DEL_BRIDGE_VLAN_MAPPING _IOWR(IPA_IOC_MAGIC, \

				IPA_IOCTL_DEL_BRIDGE_VLAN_MAPPING, \

				struct ipa_ioc_bridge_vlan_mapping_info)



/*

 * unique magic number of the Tethering bridge ioctls

 */