[5/5] crypto: hisilicon/sec - fixes some coding style

Commit Message

liulongfang Nov. 26, 2020, 2:18 a.m. UTC

1. Fix a wrong printing problem
2. Modify log print style

Signed-off-by: Longfang Liu <[e-mail]>
---
 drivers/crypto/hisilicon/sec2/sec.h        |  5 +-
 drivers/crypto/hisilicon/sec2/sec_crypto.c | 92 +++++++++++++++---------------
 drivers/crypto/hisilicon/sec2/sec_crypto.h |  4 +-
 3 files changed, 49 insertions(+), 52 deletions(-)

Patch

diff --git a/drivers/crypto/hisilicon/sec2/sec.h b/drivers/crypto/hisilicon/sec2/sec.h
index 74f7eeb..5563282 100644
--- a/drivers/crypto/hisilicon/sec2/sec.h
+++ b/drivers/crypto/hisilicon/sec2/sec.h
@@ -4,8 +4,6 @@ 
 #ifndef __HISI_SEC_V2_H
 #define __HISI_SEC_V2_H
 
-#include <linux/list.h>
-
 #include "../qm.h"
 #include "sec_crypto.h"
 
@@ -57,7 +55,7 @@  struct sec_req {
 
 	int err_type;
 	int req_id;
-	int flag;
+	u32 flag;
 
 	/* Status of the SEC request */
 	bool fake_busy;
@@ -147,6 +145,7 @@  struct sec_ctx {
 	struct sec_cipher_ctx c_ctx;
 	struct sec_auth_ctx a_ctx;
 	u8 type_supported;
+	struct device *dev;
 };
 
 enum sec_endian {
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index 36b5823..96617f8 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -41,7 +41,6 @@ 
 #define SEC_CKEY_OFFSET_V3	13
 #define SEC_SRC_SGL_OFFSET_V3	11
 #define SEC_DST_SGL_OFFSET_V3	14
-#define SEC_CI_GEN_OFFSET_V3	2
 #define SEC_CALG_OFFSET_V3	4
 
 #define SEC_AKEY_OFFSET_V3         9
@@ -58,7 +57,6 @@ 
 
 #define SEC_TOTAL_IV_SZ		(SEC_IV_SIZE * QM_Q_DEPTH)
 #define SEC_SGL_SGE_NR		128
-#define SEC_CTX_DEV(ctx)	(&(ctx)->sec->qm.pdev->dev)
 #define SEC_CIPHER_AUTH		0xfe
 #define SEC_AUTH_CIPHER		0x1
 #define SEC_MAX_MAC_LEN		64
@@ -124,7 +122,7 @@  static int sec_alloc_req_id(struct sec_req *req, struct sec_qp_ctx *qp_ctx)
 				  0, QM_Q_DEPTH, GFP_ATOMIC);
 	mutex_unlock(&qp_ctx->req_lock);
 	if (unlikely(req_id < 0)) {
-		dev_err(SEC_CTX_DEV(req->ctx), "alloc req id fail!\n");
+		dev_err(req->ctx->dev, "alloc req id fail!\n");
 		return req_id;
 	}
 
@@ -140,7 +138,7 @@  static void sec_free_req_id(struct sec_req *req)
 	int req_id = req->req_id;
 
 	if (unlikely(req_id < 0 || req_id >= QM_Q_DEPTH)) {
-		dev_err(SEC_CTX_DEV(req->ctx), "free request id invalid!\n");
+		dev_err(req->ctx->dev, "free request id invalid!\n");
 		return;
 	}
 
@@ -166,7 +164,7 @@  static int sec_aead_verify(struct sec_req *req)
 				aead_req->cryptlen + aead_req->assoclen -
 				authsize);
 	if (unlikely(sz != authsize || memcmp(mac_out, mac, sz))) {
-		dev_err(SEC_CTX_DEV(req->ctx), "aead verify failure!\n");
+		dev_err(req->ctx->dev, "aead verify failure!\n");
 		return -EBADMSG;
 	}
 
@@ -235,7 +233,7 @@  static void sec_req_cb(struct hisi_qp *qp, void *resp)
 	if (unlikely(req->err_type || status.done != SEC_SQE_DONE ||
 	    (ctx->alg_type == SEC_SKCIPHER && status.flag != SEC_SQE_CFLAG) ||
 	    (ctx->alg_type == SEC_AEAD && status.flag != SEC_SQE_AEAD_FLAG))) {
-		dev_err_ratelimited(SEC_CTX_DEV(ctx),
+		dev_err_ratelimited(ctx->dev,
 			"err_type[%d],done[%u],flag[%u]\n",
 			req->err_type, status.done, status.flag);
 		err = -EIO;
@@ -410,8 +408,8 @@  static int sec_alloc_pbuf_resource(struct device *dev, struct sec_alg_res *res)
 static int sec_alg_resource_alloc(struct sec_ctx *ctx,
 				  struct sec_qp_ctx *qp_ctx)
 {
-	struct device *dev = SEC_CTX_DEV(ctx);
 	struct sec_alg_res *res = qp_ctx->res;
+	struct device *dev = ctx->dev;
 	int ret;
 
 	ret = sec_alloc_civ_resource(dev, res);
@@ -451,7 +449,7 @@  static int sec_alg_resource_alloc(struct sec_ctx *ctx,
 static void sec_alg_resource_free(struct sec_ctx *ctx,
 				  struct sec_qp_ctx *qp_ctx)
 {
-	struct device *dev = SEC_CTX_DEV(ctx);
+	struct device *dev = ctx->dev;
 
 	sec_free_civ_resource(dev, qp_ctx->res);
 
@@ -464,7 +462,7 @@  static void sec_alg_resource_free(struct sec_ctx *ctx,
 static int sec_create_qp_ctx(struct hisi_qm *qm, struct sec_ctx *ctx,
 			     int qp_ctx_id, int alg_type)
 {
-	struct device *dev = SEC_CTX_DEV(ctx);
+	struct device *dev = ctx->dev;
 	struct sec_qp_ctx *qp_ctx;
 	struct hisi_qp *qp;
 	int ret = -ENOMEM;
@@ -520,7 +518,7 @@  static int sec_create_qp_ctx(struct hisi_qm *qm, struct sec_ctx *ctx,
 static void sec_release_qp_ctx(struct sec_ctx *ctx,
 			       struct sec_qp_ctx *qp_ctx)
 {
-	struct device *dev = SEC_CTX_DEV(ctx);
+	struct device *dev = ctx->dev;
 
 	hisi_qm_stop_qp(qp_ctx->qp);
 	sec_alg_resource_free(ctx, qp_ctx);
@@ -544,6 +542,7 @@  static int sec_ctx_base_init(struct sec_ctx *ctx)
 
 	sec = container_of(ctx->qps[0]->qm, struct sec_dev, qm);
 	ctx->sec = sec;
+	ctx->dev = &sec->qm.pdev->dev;
 	ctx->hlf_q_num = sec->ctx_q_num >> 1;
 
 	ctx->pbuf_supported = ctx->sec->iommu_used;
@@ -591,7 +590,7 @@  static int sec_cipher_init(struct sec_ctx *ctx)
 {
 	struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
 
-	c_ctx->c_key = dma_alloc_coherent(SEC_CTX_DEV(ctx), SEC_MAX_KEY_SIZE,
+	c_ctx->c_key = dma_alloc_coherent(ctx->dev, SEC_MAX_KEY_SIZE,
 					  &c_ctx->c_key_dma, GFP_KERNEL);
 	if (!c_ctx->c_key)
 		return -ENOMEM;
@@ -604,15 +603,16 @@  static void sec_cipher_uninit(struct sec_ctx *ctx)
 	struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
 
 	memzero_explicit(c_ctx->c_key, SEC_MAX_KEY_SIZE);
-	dma_free_coherent(SEC_CTX_DEV(ctx), SEC_MAX_KEY_SIZE,
+	dma_free_coherent(ctx->dev, SEC_MAX_KEY_SIZE,
 			  c_ctx->c_key, c_ctx->c_key_dma);
 }
 
 static int sec_auth_init(struct sec_ctx *ctx)
 {
 	struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
+	struct device *dev = ctx->dev;
 
-	a_ctx->a_key = dma_alloc_coherent(SEC_CTX_DEV(ctx), SEC_MAX_KEY_SIZE,
+	a_ctx->a_key = dma_alloc_coherent(dev, SEC_MAX_KEY_SIZE,
 					  &a_ctx->a_key_dma, GFP_KERNEL);
 	if (!a_ctx->a_key)
 		return -ENOMEM;
@@ -623,9 +623,10 @@  static int sec_auth_init(struct sec_ctx *ctx)
 static void sec_auth_uninit(struct sec_ctx *ctx)
 {
 	struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
+	struct device *dev = ctx->dev;
 
 	memzero_explicit(a_ctx->a_key, SEC_MAX_KEY_SIZE);
-	dma_free_coherent(SEC_CTX_DEV(ctx), SEC_MAX_KEY_SIZE,
+	dma_free_coherent(dev, SEC_MAX_KEY_SIZE,
 			  a_ctx->a_key, a_ctx->a_key_dma);
 }
 
@@ -638,7 +639,7 @@  static int sec_skcipher_init(struct crypto_skcipher *tfm)
 	crypto_skcipher_set_reqsize(tfm, sizeof(struct sec_req));
 	ctx->c_ctx.ivsize = crypto_skcipher_ivsize(tfm);
 	if (ctx->c_ctx.ivsize > SEC_IV_SIZE) {
-		dev_err(SEC_CTX_DEV(ctx), "get error skcipher iv size!\n");
+		pr_err("get error skcipher iv size!\n");
 		return -EINVAL;
 	}
 
@@ -731,12 +732,13 @@  static int sec_skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key,
 {
 	struct sec_ctx *ctx = crypto_skcipher_ctx(tfm);
 	struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+	struct device *dev = ctx->dev;
 	int ret;
 
 	if (c_mode == SEC_CMODE_XTS) {
 		ret = xts_verify_key(tfm, key, keylen);
 		if (ret) {
-			dev_err(SEC_CTX_DEV(ctx), "xts mode key err!\n");
+			dev_err(dev, "xts mode key err!\n");
 			return ret;
 		}
 	}
@@ -757,7 +759,7 @@  static int sec_skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key,
 	}
 
 	if (ret) {
-		dev_err(SEC_CTX_DEV(ctx), "set sec key err!\n");
+		dev_err(dev, "set sec key err!\n");
 		return ret;
 	}
 
@@ -772,7 +774,7 @@  static int sec_cipher_pbuf_map(struct sec_ctx *ctx, struct sec_req *req,
 	struct aead_request *aead_req = req->aead_req.aead_req;
 	struct sec_cipher_req *c_req = &req->c_req;
 	struct sec_qp_ctx *qp_ctx = req->qp_ctx;
-	struct device *dev = SEC_CTX_DEV(ctx);
+	struct device *dev = ctx->dev;
 	int copy_size, pbuf_length;
 	int req_id = req->req_id;
 
@@ -782,9 +784,7 @@  static int sec_cipher_pbuf_map(struct sec_ctx *ctx, struct sec_req *req,
 		copy_size = c_req->c_len;
 
 	pbuf_length = sg_copy_to_buffer(src, sg_nents(src),
-				qp_ctx->res[req_id].pbuf,
-				copy_size);
-
+			qp_ctx->res[req_id].pbuf, copy_size);
 	if (unlikely(pbuf_length != copy_size)) {
 		dev_err(dev, "copy src data to pbuf error!\n");
 		return -EINVAL;
@@ -808,7 +808,6 @@  static void sec_cipher_pbuf_unmap(struct sec_ctx *ctx, struct sec_req *req,
 	struct aead_request *aead_req = req->aead_req.aead_req;
 	struct sec_cipher_req *c_req = &req->c_req;
 	struct sec_qp_ctx *qp_ctx = req->qp_ctx;
-	struct device *dev = SEC_CTX_DEV(ctx);
 	int copy_size, pbuf_length;
 	int req_id = req->req_id;
 
@@ -818,11 +817,9 @@  static void sec_cipher_pbuf_unmap(struct sec_ctx *ctx, struct sec_req *req,
 		copy_size = c_req->c_len;
 
 	pbuf_length = sg_copy_from_buffer(dst, sg_nents(dst),
-				qp_ctx->res[req_id].pbuf,
-				copy_size);
-
+			qp_ctx->res[req_id].pbuf, copy_size);
 	if (unlikely(pbuf_length != copy_size))
-		dev_err(dev, "copy pbuf data to dst error!\n");
+		dev_err(ctx->dev, "copy pbuf data to dst error!\n");
 }
 
 static int sec_cipher_map(struct sec_ctx *ctx, struct sec_req *req,
@@ -832,7 +829,7 @@  static int sec_cipher_map(struct sec_ctx *ctx, struct sec_req *req,
 	struct sec_aead_req *a_req = &req->aead_req;
 	struct sec_qp_ctx *qp_ctx = req->qp_ctx;
 	struct sec_alg_res *res = &qp_ctx->res[req->req_id];
-	struct device *dev = SEC_CTX_DEV(ctx);
+	struct device *dev = ctx->dev;
 	int ret;
 
 	if (req->use_pbuf) {
@@ -891,7 +888,7 @@  static void sec_cipher_unmap(struct sec_ctx *ctx, struct sec_req *req,
 			     struct scatterlist *src, struct scatterlist *dst)
 {
 	struct sec_cipher_req *c_req = &req->c_req;
-	struct device *dev = SEC_CTX_DEV(ctx);
+	struct device *dev = ctx->dev;
 
 	if (req->use_pbuf) {
 		sec_cipher_pbuf_unmap(ctx, req, dst);
@@ -976,6 +973,7 @@  static int sec_aead_setkey(struct crypto_aead *tfm, const u8 *key,
 {
 	struct sec_ctx *ctx = crypto_aead_ctx(tfm);
 	struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
+	struct device *dev = ctx->dev;
 	struct crypto_authenc_keys keys;
 	int ret;
 
@@ -987,7 +985,7 @@  static int sec_aead_setkey(struct crypto_aead *tfm, const u8 *key,
 	if (c_mode == SEC_CMODE_CCM || c_mode == SEC_CMODE_GCM) {
 		ret = sec_skcipher_aes_sm4_setkey(c_ctx, keylen, c_mode);
 		if (ret) {
-			dev_err(SEC_CTX_DEV(ctx), "set sec aes ccm cipher key err!\n");
+			dev_err(dev, "set sec aes ccm cipher key err!\n");
 			return ret;
 		}
 		memcpy(c_ctx->c_key, key, keylen);
@@ -1000,19 +998,19 @@  static int sec_aead_setkey(struct crypto_aead *tfm, const u8 *key,
 
 	ret = sec_aead_aes_set_key(c_ctx, &keys);
 	if (ret) {
-		dev_err(SEC_CTX_DEV(ctx), "set sec cipher key err!\n");
+		dev_err(dev, "set sec cipher key err!\n");
 		goto bad_key;
 	}
 
 	ret = sec_aead_auth_set_key(&ctx->a_ctx, &keys);
 	if (ret) {
-		dev_err(SEC_CTX_DEV(ctx), "set sec auth key err!\n");
+		dev_err(dev, "set sec auth key err!\n");
 		goto bad_key;
 	}
 
 	if ((ctx->a_ctx.mac_len & SEC_SQE_LEN_RATE_MASK)  ||
 		(ctx->a_ctx.a_key_len & SEC_SQE_LEN_RATE_MASK)) {
-		dev_err(SEC_CTX_DEV(ctx), "MAC or AUTH key length error!\n");
+		dev_err(dev, "MAC or AUTH key length error!\n");
 		goto bad_key;
 	}
 
@@ -1128,7 +1126,7 @@  static int sec_skcipher_bd_fill_v3(struct sec_ctx *ctx, struct sec_req *req)
 	struct sec_cipher_ctx *c_ctx = &ctx->c_ctx;
 	struct sec_cipher_req *c_req = &req->c_req;
 	u32 bd_param = 0;
-	u16 cipher = 0;
+	u16 cipher;
 
 	memset(sec_sqe3, 0, sizeof(struct sec_sqe3));
 
@@ -1137,7 +1135,7 @@  static int sec_skcipher_bd_fill_v3(struct sec_ctx *ctx, struct sec_req *req)
 	sec_sqe3->data_src_addr = cpu_to_le64(c_req->c_in_dma);
 	sec_sqe3->data_dst_addr = cpu_to_le64(c_req->c_out_dma);
 
-	sec_sqe3->c_mode_alg = (c_ctx->c_alg << SEC_CALG_OFFSET_V3) |
+	sec_sqe3->c_mode_alg = ((u8)c_ctx->c_alg << SEC_CALG_OFFSET_V3) |
 						c_ctx->c_mode;
 	sec_sqe3->c_icv_key |= cpu_to_le16(((u16)c_ctx->c_key_len) <<
 						SEC_CKEY_OFFSET_V3);
@@ -1195,7 +1193,7 @@  static void sec_update_iv(struct sec_req *req, enum sec_alg_type alg_type)
 	sz = sg_pcopy_to_buffer(sgl, sg_nents(sgl), iv, iv_size,
 				cryptlen - iv_size);
 	if (unlikely(sz != iv_size))
-		dev_err(SEC_CTX_DEV(req->ctx), "copy output iv error!\n");
+		dev_err(req->ctx->dev, "copy output iv error!\n");
 }
 
 static struct sec_req *sec_back_req_clear(struct sec_ctx *ctx,
@@ -1398,7 +1396,7 @@  static int sec_aead_bd_fill(struct sec_ctx *ctx, struct sec_req *req)
 
 	ret = sec_skcipher_bd_fill(ctx, req);
 	if (unlikely(ret)) {
-		dev_err(SEC_CTX_DEV(ctx), "skcipher bd fill is error!\n");
+		dev_err(ctx->dev, "skcipher bd fill is error!\n");
 		return ret;
 	}
 
@@ -1452,7 +1450,7 @@  static int sec_aead_bd_fill_v3(struct sec_ctx *ctx, struct sec_req *req)
 
 	ret = sec_skcipher_bd_fill_v3(ctx, req);
 	if (unlikely(ret)) {
-		dev_err(SEC_CTX_DEV(ctx), "skcipher bd3 fill is error!\n");
+		dev_err(ctx->dev, "skcipher bd3 fill is error!\n");
 		return ret;
 	}
 
@@ -1492,7 +1490,7 @@  static void sec_aead_callback(struct sec_ctx *c, struct sec_req *req, int err)
 					  a_req->assoclen);
 
 		if (unlikely(sz != authsize)) {
-			dev_err(SEC_CTX_DEV(req->ctx), "copy out mac err!\n");
+			dev_err(c->dev, "copy out mac err!\n");
 			err = -EINVAL;
 		}
 	}
@@ -1557,7 +1555,7 @@  static int sec_process(struct sec_ctx *ctx, struct sec_req *req)
 	ret = ctx->req_op->bd_send(ctx, req);
 	if (unlikely((ret != -EBUSY && ret != -EINPROGRESS) ||
 		(ret == -EBUSY && !(req->flag & CRYPTO_TFM_REQ_MAY_BACKLOG)))) {
-		dev_err_ratelimited(SEC_CTX_DEV(ctx), "send sec request failed!\n");
+		dev_err_ratelimited(ctx->dev, "send sec request failed!\n");
 		goto err_send_req;
 	}
 
@@ -1711,7 +1709,7 @@  static int sec_aead_ctx_init(struct crypto_aead *tfm, const char *hash_name)
 
 	auth_ctx->hash_tfm = crypto_alloc_shash(hash_name, 0, 0);
 	if (IS_ERR(auth_ctx->hash_tfm)) {
-		dev_err(SEC_CTX_DEV(ctx), "aead alloc shash error!\n");
+		dev_err(ctx->dev, "aead alloc shash error!\n");
 		sec_aead_exit(tfm);
 		return PTR_ERR(auth_ctx->hash_tfm);
 	}
@@ -1755,7 +1753,7 @@  static int sec_aead_gcm_ctx_init(struct crypto_aead *tfm)
 static int sec_skcipher_param_check(struct sec_ctx *ctx, struct sec_req *sreq)
 {
 	struct skcipher_request *sk_req = sreq->c_req.sk_req;
-	struct device *dev = SEC_CTX_DEV(ctx);
+	struct device *dev = ctx->dev;
 	u8 c_alg = ctx->c_ctx.c_alg;
 
 	if (unlikely(!sk_req->src || !sk_req->dst ||
@@ -1927,17 +1925,18 @@  static int sec_aead_spec_check(struct sec_ctx *ctx, struct sec_req *sreq)
 	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
 	size_t authsize = crypto_aead_authsize(tfm);
 	u8 c_mode = ctx->c_ctx.c_mode;
+	struct device *dev = ctx->dev;
 
 	if (unlikely(req->cryptlen + req->assoclen > MAX_INPUT_DATA_LEN ||
 		req->assoclen > SEC_MAX_AAD_LEN)) {
-		dev_err(SEC_CTX_DEV(ctx), "aead input spec error!\n");
+		dev_err(dev, "aead input spec error!\n");
 		return -EINVAL;
 	}
 
 	if (unlikely((c_mode == SEC_CMODE_GCM && authsize < DES_BLOCK_SIZE) ||
 		(c_mode == SEC_CMODE_CCM && (authsize < MIN_MAC_LEN ||
 		authsize & MAC_LEN_MASK)))) {
-		dev_err(SEC_CTX_DEV(ctx), "aead input mac length error!\n");
+		dev_err(dev, "aead input mac length error!\n");
 		return -EINVAL;
 	}
 
@@ -1948,7 +1947,7 @@  static int sec_aead_spec_check(struct sec_ctx *ctx, struct sec_req *sreq)
 
 	if (c_mode == SEC_CMODE_CBC) {
 		if (unlikely(sreq->c_req.c_len & (AES_BLOCK_SIZE - 1))) {
-			dev_err(SEC_CTX_DEV(ctx), "aead crypto length error!\n");
+			dev_err(dev, "aead crypto length error!\n");
 			return -EINVAL;
 		}
 	}
@@ -1960,15 +1959,16 @@  static int sec_aead_param_check(struct sec_ctx *ctx, struct sec_req *sreq)
 {
 	struct aead_request *req = sreq->aead_req.aead_req;
 	u8 c_alg = ctx->c_ctx.c_alg;
+	struct device *dev = ctx->dev;
 
 	if (unlikely(!req->src || !req->dst || !req->cryptlen)) {
-		dev_err(SEC_CTX_DEV(ctx), "aead input param error!\n");
+		dev_err(dev, "aead input param error!\n");
 		return -EINVAL;
 	}
 
 	/* Support AES or SM4 */
 	if (unlikely(c_alg != SEC_CALG_AES && c_alg != SEC_CALG_SM4)) {
-		dev_err(SEC_CTX_DEV(ctx), "aead crypto alg error!\n");
+		dev_err(dev, "aead crypto alg error!\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.h b/drivers/crypto/hisilicon/sec2/sec_crypto.h
index 6920993..a3a360c 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.h
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.h
@@ -79,7 +79,6 @@  struct bd_status {
 };
 
 struct sec_sqe_type2 {
-
 	/*
 	 * mac_len: 0~4 bits
 	 * a_key_len: 5~10 bits
@@ -135,7 +134,6 @@  struct sec_sqe_type2 {
 	/* c_pad_len_field: 0~1 bits */
 	__le16 c_pad_len_field;
 
-
 	__le64 long_a_data_len;
 	__le64 a_ivin_addr;
 	__le64 a_key_addr;
@@ -291,7 +289,7 @@  struct bd3_tls_type_back {
 struct sec_sqe3 {
 	/*
 	 * type: 0~3 bit
-	 * inveld: 4 bit
+	 * bd_invalid: 4 bit
 	 * scene: 5~8 bit
 	 * de: 9~10 bit
 	 * src_addr_type: 11~13 bit