From 3595311ff9cd3d3f97a384cf5615eb19e09b4bc8 Mon Sep 17 00:00:00 2001
From: Skylar Chang <chiaweic@codeaurora.org>
Date: Fri, 26 Jun 2020 17:09:19 -0700
Subject: [PATCH] msm: ipa3: add eth ep_pair info

Add ep details corresponding to
RMNET_CV2X tethering over eth.

Change-Id: I0285887470c950a73e61dd51bf673bbc650d40bb
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>
---
 drivers/platform/msm/ipa/ipa_v3/ipa.c | 72 +++++++++++++++++++++++++++
 include/uapi/linux/msm_ipa.h          |  6 ++-
 2 files changed, 77 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa.c b/drivers/platform/msm/ipa/ipa_v3/ipa.c
index a1191427c30c..c7841049da57 100644
--- a/drivers/platform/msm/ipa/ipa_v3/ipa.c
+++ b/drivers/platform/msm/ipa/ipa_v3/ipa.c
@@ -862,6 +862,74 @@ static void ipa3_get_pcie_ep_info(
 	}
 }
 
+static void ipa3_get_eth_ep_info(
+			struct ipa_ioc_get_ep_info *ep_info,
+			struct ipa_ep_pair_info *pair_info
+			)
+{
+	int ep_index = -1, i;
+
+	ep_info->num_ep_pairs = 0;
+	for (i = 0; i < ep_info->max_ep_pairs; i++) {
+		pair_info[i].consumer_pipe_num = -1;
+		pair_info[i].producer_pipe_num = -1;
+		pair_info[i].ep_id = -1;
+	}
+
+	ep_index = ipa3_get_ep_mapping(IPA_CLIENT_ETHERNET2_PROD);
+
+	if ((ep_index != -1) && ipa3_ctx->ep[ep_index].valid) {
+		pair_info[ep_info->num_ep_pairs].consumer_pipe_num = ep_index;
+		ep_index = ipa3_get_ep_mapping(IPA_CLIENT_ETHERNET2_CONS);
+		if ((ep_index != -1) && (ipa3_ctx->ep[ep_index].valid)) {
+			pair_info[ep_info->num_ep_pairs].producer_pipe_num =
+				ep_index;
+			pair_info[ep_info->num_ep_pairs].ep_id =
+				IPA_ETH1_EP_ID;
+
+			IPADBG("ep_pair_info consumer_pipe_num %d",
+			pair_info[ep_info->num_ep_pairs].consumer_pipe_num);
+			IPADBG(" producer_pipe_num %d ep_id %d\n",
+			pair_info[ep_info->num_ep_pairs].producer_pipe_num,
+				pair_info[ep_info->num_ep_pairs].ep_id);
+			ep_info->num_ep_pairs++;
+		} else {
+			pair_info[ep_info->num_ep_pairs].consumer_pipe_num = -1;
+			IPADBG("ep_pair_info consumer_pipe_num %d",
+			pair_info[ep_info->num_ep_pairs].consumer_pipe_num);
+			IPADBG(" producer_pipe_num %d ep_id %d\n",
+			pair_info[ep_info->num_ep_pairs].producer_pipe_num,
+				pair_info[ep_info->num_ep_pairs].ep_id);
+		}
+	}
+
+	ep_index = ipa3_get_ep_mapping(IPA_CLIENT_ETHERNET_PROD);
+
+	if ((ep_index != -1) && ipa3_ctx->ep[ep_index].valid) {
+		pair_info[ep_info->num_ep_pairs].consumer_pipe_num = ep_index;
+		ep_index = ipa3_get_ep_mapping(IPA_CLIENT_ETHERNET_CONS);
+		if ((ep_index != -1) && (ipa3_ctx->ep[ep_index].valid)) {
+			pair_info[ep_info->num_ep_pairs].producer_pipe_num =
+				ep_index;
+			pair_info[ep_info->num_ep_pairs].ep_id =
+				IPA_ETH0_EP_ID;
+
+			IPADBG("ep_pair_info consumer_pipe_num %d",
+			pair_info[ep_info->num_ep_pairs].consumer_pipe_num);
+			IPADBG(" producer_pipe_num %d ep_id %d\n",
+			pair_info[ep_info->num_ep_pairs].producer_pipe_num,
+				pair_info[ep_info->num_ep_pairs].ep_id);
+			ep_info->num_ep_pairs++;
+		} else {
+			pair_info[ep_info->num_ep_pairs].consumer_pipe_num = -1;
+			IPADBG("ep_pair_info consumer_pipe_num %d",
+			pair_info[ep_info->num_ep_pairs].consumer_pipe_num);
+			IPADBG(" producer_pipe_num %d ep_id %d\n",
+			pair_info[ep_info->num_ep_pairs].producer_pipe_num,
+				pair_info[ep_info->num_ep_pairs].ep_id);
+		}
+	}
+}
 
 static int ipa3_get_ep_info(struct ipa_ioc_get_ep_info *ep_info,
 							u8 *param)
@@ -878,6 +946,10 @@ static int ipa3_get_ep_info(struct ipa_ioc_get_ep_info *ep_info,
 		ipa3_get_pcie_ep_info(ep_info, pair_info);
 		break;
 
+	case IPA_DATA_EP_TYP_ETH:
+		ipa3_get_eth_ep_info(ep_info, pair_info);
+		break;
+
 	default:
 		IPAERR_RL("Undefined ep_type %d\n", ep_info->ep_type);
 		ret = -EFAULT;
diff --git a/include/uapi/linux/msm_ipa.h b/include/uapi/linux/msm_ipa.h
index 9df94210f549..790effd175da 100644
--- a/include/uapi/linux/msm_ipa.h
+++ b/include/uapi/linux/msm_ipa.h
@@ -2342,13 +2342,17 @@ struct ipa_ioc_gsb_info {
 #define IPA_PCIE0_EP_ID		21
 #define IPA_PCIE1_EP_ID		22
 
+#define IPA_ETH0_EP_ID		31
+#define IPA_ETH1_EP_ID		32
+
 enum ipa_peripheral_ep_type {
 	IPA_DATA_EP_TYP_RESERVED = 0,
 	IPA_DATA_EP_TYP_HSIC = 1,
 	IPA_DATA_EP_TYP_HSUSB = 2,
 	IPA_DATA_EP_TYP_PCIE = 3,
 	IPA_DATA_EP_TYP_EMBEDDED = 4,
-	IPA_DATA_EP_TYP_BAM_DMUX,
+	IPA_DATA_EP_TYP_BAM_DMUX = 5,
+	IPA_DATA_EP_TYP_ETH,
 };
 
 enum ipa_data_ep_prot_type {