msm: ipa: revert "add ipa pkt threshold functionality"

This reverts commit c1c1fd1cf3bfeb2b5b09d6dd72eb2675c82071a8.

Change-Id: Ice7ace5dbd7d3bfdf9fc6280cdefa8ab5d806932

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

@@ -2116,15 +2116,6 @@ static void ipa3_mac_flt_list_free_cb(void *buff, u32 len, u32 type)
 	kfree(buff);
 }
 
-static void ipa3_pkt_threshold_free_cb(void *buff, u32 len, u32 type)
-{
-	if (!buff) {
-		IPAERR("Null buffer\n");
-		return;
-	}
-	kfree(buff);
-}
-
 static int ipa3_send_mac_flt_list(unsigned long usr_param)
 {
 	int retval;
@@ -2161,71 +2152,6 @@ static int ipa3_send_mac_flt_list(unsigned long usr_param)
 	return 0;
 }
 
-static int ipa3_send_pkt_threshold(unsigned long usr_param)
-{
-	int retval;
-	struct ipa_msg_meta msg_meta;
-	void *buff1, *buff2;
-
-	buff1 = kzalloc(sizeof(struct ipa_ioc_set_pkt_threshold),
-		GFP_KERNEL);
-	if (!buff1)
-		return -ENOMEM;
-
-	if (copy_from_user(buff1, (const void __user *)usr_param,
-		sizeof(struct ipa_ioc_set_pkt_threshold))) {
-		kfree(buff1);
-		return -EFAULT;
-	}
-
-	if (((struct ipa_ioc_set_pkt_threshold *)buff1)->ioctl_data_size !=
-		sizeof(struct ipa_set_pkt_threshold)) {
-		IPAERR("IPA_IOC_SET_PKT_THRESHOLD size not match(%d,%d)!\n",
-		((struct ipa_ioc_set_pkt_threshold *)buff1)->ioctl_data_size,
-		sizeof(struct ipa_set_pkt_threshold));
-		kfree(buff1);
-		return -EFAULT;
-	}
-
-	buff2 = kzalloc(sizeof(struct ipa_set_pkt_threshold),
-		GFP_KERNEL);
-	if (!buff2) {
-		IPAERR("ipa_set_pkt_threshold buff2 allocate failure\n");
-		kfree(buff1);
-		return -ENOMEM;
-	}
-
-	if (copy_from_user(buff2, u64_to_user_ptr(
-		((struct ipa_ioc_set_pkt_threshold *)buff1)->ioctl_ptr),
-		sizeof(struct ipa_set_pkt_threshold))) {
-		IPAERR("Failed to copy ipa_set_pkt_threshold\n");
-		kfree(buff1);
-		kfree(buff2);
-		return -EFAULT;
-	}
-
-
-	memset(&msg_meta, 0, sizeof(struct ipa_msg_meta));
-	msg_meta.msg_type = IPA_PKT_THRESHOLD_EVENT;
-	msg_meta.msg_len = sizeof(struct ipa_set_pkt_threshold);
-
-	IPADBG("pkt thr enable: %d, pkt_threshold: %d\n",
-		((struct ipa_set_pkt_threshold *)buff2)->pkt_threshold_enable,
-		((struct ipa_set_pkt_threshold *)buff2)->pkt_threshold);
-
-	retval = ipa3_send_msg(&msg_meta, buff2,
-		ipa3_pkt_threshold_free_cb);
-	if (retval) {
-		IPAERR("ipa3_send_msg failed: %d, msg_type %d\n",
-		retval,
-		msg_meta.msg_type);
-		kfree(buff1);
-		kfree(buff2);
-		return retval;
-	}
-	return 0;
-}
-
 static int ipa3_send_sw_flt_list(unsigned long usr_param)
 {
 	int retval;
@@ -3605,11 +3531,6 @@ static long ipa3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		}
 		break;
 
-	case IPA_IOC_SET_PKT_THRESHOLD:
-		IPADBG("Got IPA_IOC_SET_PKT_THRESHOLD\n");
-		if (ipa3_send_pkt_threshold(arg))
-			retval = -EFAULT;
-		break;
 	default:
 		IPA_ACTIVE_CLIENTS_DEC_SIMPLE();
 		return -ENOTTY;