[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/net/nfc/hci/llc.c b/src/kernel/linux/v4.14/net/nfc/hci/llc.c
new file mode 100644
index 0000000..3d699cb
--- /dev/null
+++ b/src/kernel/linux/v4.14/net/nfc/hci/llc.c
@@ -0,0 +1,161 @@
+/*
+ * Link Layer Control manager
+ *
+ * Copyright (C) 2012 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <net/nfc/llc.h>
+
+#include "llc.h"
+
+static LIST_HEAD(llc_engines);
+
+int nfc_llc_init(void)
+{
+ int r;
+
+ r = nfc_llc_nop_register();
+ if (r)
+ goto exit;
+
+ r = nfc_llc_shdlc_register();
+ if (r)
+ goto exit;
+
+ return 0;
+
+exit:
+ nfc_llc_exit();
+ return r;
+}
+
+void nfc_llc_exit(void)
+{
+ struct nfc_llc_engine *llc_engine, *n;
+
+ list_for_each_entry_safe(llc_engine, n, &llc_engines, entry) {
+ list_del(&llc_engine->entry);
+ kfree(llc_engine->name);
+ kfree(llc_engine);
+ }
+}
+
+int nfc_llc_register(const char *name, struct nfc_llc_ops *ops)
+{
+ struct nfc_llc_engine *llc_engine;
+
+ llc_engine = kzalloc(sizeof(struct nfc_llc_engine), GFP_KERNEL);
+ if (llc_engine == NULL)
+ return -ENOMEM;
+
+ llc_engine->name = kstrdup(name, GFP_KERNEL);
+ if (llc_engine->name == NULL) {
+ kfree(llc_engine);
+ return -ENOMEM;
+ }
+ llc_engine->ops = ops;
+
+ INIT_LIST_HEAD(&llc_engine->entry);
+ list_add_tail(&llc_engine->entry, &llc_engines);
+
+ return 0;
+}
+
+static struct nfc_llc_engine *nfc_llc_name_to_engine(const char *name)
+{
+ struct nfc_llc_engine *llc_engine;
+
+ list_for_each_entry(llc_engine, &llc_engines, entry) {
+ if (strcmp(llc_engine->name, name) == 0)
+ return llc_engine;
+ }
+
+ return NULL;
+}
+
+void nfc_llc_unregister(const char *name)
+{
+ struct nfc_llc_engine *llc_engine;
+
+ llc_engine = nfc_llc_name_to_engine(name);
+ if (llc_engine == NULL)
+ return;
+
+ list_del(&llc_engine->entry);
+ kfree(llc_engine->name);
+ kfree(llc_engine);
+}
+
+struct nfc_llc *nfc_llc_allocate(const char *name, struct nfc_hci_dev *hdev,
+ xmit_to_drv_t xmit_to_drv,
+ rcv_to_hci_t rcv_to_hci, int tx_headroom,
+ int tx_tailroom, llc_failure_t llc_failure)
+{
+ struct nfc_llc_engine *llc_engine;
+ struct nfc_llc *llc;
+
+ llc_engine = nfc_llc_name_to_engine(name);
+ if (llc_engine == NULL)
+ return NULL;
+
+ llc = kzalloc(sizeof(struct nfc_llc), GFP_KERNEL);
+ if (llc == NULL)
+ return NULL;
+
+ llc->data = llc_engine->ops->init(hdev, xmit_to_drv, rcv_to_hci,
+ tx_headroom, tx_tailroom,
+ &llc->rx_headroom, &llc->rx_tailroom,
+ llc_failure);
+ if (llc->data == NULL) {
+ kfree(llc);
+ return NULL;
+ }
+ llc->ops = llc_engine->ops;
+
+ return llc;
+}
+
+void nfc_llc_free(struct nfc_llc *llc)
+{
+ llc->ops->deinit(llc);
+ kfree(llc);
+}
+
+int nfc_llc_start(struct nfc_llc *llc)
+{
+ return llc->ops->start(llc);
+}
+EXPORT_SYMBOL(nfc_llc_start);
+
+int nfc_llc_stop(struct nfc_llc *llc)
+{
+ return llc->ops->stop(llc);
+}
+EXPORT_SYMBOL(nfc_llc_stop);
+
+void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb)
+{
+ llc->ops->rcv_from_drv(llc, skb);
+}
+
+int nfc_llc_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb)
+{
+ return llc->ops->xmit_from_hci(llc, skb);
+}
+
+void *nfc_llc_get_data(struct nfc_llc *llc)
+{
+ return llc->data;
+}