2020-10-04 01:20:38

by Ross Schmidt

[permalink] [raw]
Subject: [PATCH 1/8] staging: rtl8723bs: replace RND4 with round_up()

Use round_up instead of define RND4.

Signed-off-by: Ross Schmidt <[email protected]>
---
drivers/staging/rtl8723bs/core/rtw_security.c | 6 +++---
drivers/staging/rtl8723bs/core/rtw_xmit.c | 4 ++--
drivers/staging/rtl8723bs/hal/sdio_ops.c | 6 +++---
drivers/staging/rtl8723bs/include/osdep_service.h | 1 -
4 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c
index 7f74e1d05b3a..159d32ace2bc 100644
--- a/drivers/staging/rtl8723bs/core/rtw_security.c
+++ b/drivers/staging/rtl8723bs/core/rtw_security.c
@@ -260,7 +260,7 @@ void rtw_wep_encrypt(struct adapter *padapter, u8 *pxmitframe)
arcfour_encrypt(&mycontext, payload+length, crc, 4);

pframe += pxmitpriv->frag_len;
- pframe = (u8 *)RND4((SIZE_PTR)(pframe));
+ pframe = (u8 *)round_up((SIZE_PTR)(pframe), 4);
}
}

@@ -716,7 +716,7 @@ u32 rtw_tkip_encrypt(struct adapter *padapter, u8 *pxmitframe)
arcfour_encrypt(&mycontext, payload+length, crc, 4);

pframe += pxmitpriv->frag_len;
- pframe = (u8 *)RND4((SIZE_PTR)(pframe));
+ pframe = (u8 *)round_up((SIZE_PTR)(pframe), 4);
}
}

@@ -1523,7 +1523,7 @@ u32 rtw_aes_encrypt(struct adapter *padapter, u8 *pxmitframe)

aes_cipher(prwskey, pattrib->hdrlen, pframe, length);
pframe += pxmitpriv->frag_len;
- pframe = (u8 *)RND4((SIZE_PTR)(pframe));
+ pframe = (u8 *)round_up((SIZE_PTR)(pframe), 4);
}
}

diff --git a/drivers/staging/rtl8723bs/core/rtw_xmit.c b/drivers/staging/rtl8723bs/core/rtw_xmit.c
index 571353404a95..6ecaff9728fd 100644
--- a/drivers/staging/rtl8723bs/core/rtw_xmit.c
+++ b/drivers/staging/rtl8723bs/core/rtw_xmit.c
@@ -865,7 +865,7 @@ static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitfr
payload = pframe;

for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) {
- payload = (u8 *)RND4((SIZE_PTR)(payload));
+ payload = (u8 *)round_up((SIZE_PTR)(payload), 4);
RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("===curfragnum =%d, pframe = 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x,!!!\n",
curfragnum, *payload, *(payload+1), *(payload+2), *(payload+3), *(payload+4), *(payload+5), *(payload+6), *(payload+7)));

@@ -1209,7 +1209,7 @@ s32 rtw_xmitframe_coalesce(struct adapter *padapter, _pkt *pkt, struct xmit_fram

addr = (SIZE_PTR)(pframe);

- mem_start = (unsigned char *)RND4(addr) + hw_hdr_offset;
+ mem_start = (unsigned char *)round_up(addr, 4) + hw_hdr_offset;
memcpy(mem_start, pbuf_start + hw_hdr_offset, pattrib->hdrlen);
}

diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c
index b6b4adb5a28a..544d5a093229 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_ops.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c
@@ -534,7 +534,7 @@ static s32 _sdio_local_read(
if (!mac_pwr_ctrl_on)
return _sd_cmd52_read(intfhdl, addr, cnt, buf);

- n = RND4(cnt);
+ n = round_up(cnt, 4);
tmpbuf = rtw_malloc(n);
if (!tmpbuf)
return -1;
@@ -575,7 +575,7 @@ s32 sdio_local_read(
)
return sd_cmd52_read(intfhdl, addr, cnt, buf);

- n = RND4(cnt);
+ n = round_up(cnt, 4);
tmpbuf = rtw_malloc(n);
if (!tmpbuf)
return -1;
@@ -859,7 +859,7 @@ static struct recv_buf *sd_recv_rxfifo(struct adapter *adapter, u32 size)

/* Patch for some SDIO Host 4 bytes issue */
/* ex. RK3188 */
- readsize = RND4(size);
+ readsize = round_up(size, 4);

/* 3 1. alloc recvbuf */
recv_priv = &adapter->recvpriv;
diff --git a/drivers/staging/rtl8723bs/include/osdep_service.h b/drivers/staging/rtl8723bs/include/osdep_service.h
index be34e279670b..ea3f4f3c86d2 100644
--- a/drivers/staging/rtl8723bs/include/osdep_service.h
+++ b/drivers/staging/rtl8723bs/include/osdep_service.h
@@ -131,7 +131,6 @@ static inline int rtw_bug_check(void *parg1, void *parg2, void *parg3, void *par
}

#define _RND(sz, r) ((((sz)+((r)-1))/(r))*(r))
-#define RND4(x) (((x >> 2) + (((x & 3) == 0) ? 0 : 1)) << 2)

static inline u32 _RND4(u32 sz)
{
--
2.26.2


2020-10-04 01:20:47

by Ross Schmidt

[permalink] [raw]
Subject: [PATCH 4/8] staging: rtl8723bs: remove unused macros

Remove several macros in osdep_service.h because they are not used.

Signed-off-by: Ross Schmidt <[email protected]>
---
.../staging/rtl8723bs/include/osdep_service.h | 57 -------------------
1 file changed, 57 deletions(-)

diff --git a/drivers/staging/rtl8723bs/include/osdep_service.h b/drivers/staging/rtl8723bs/include/osdep_service.h
index c5e9a4eebd27..da4aa3e71a4b 100644
--- a/drivers/staging/rtl8723bs/include/osdep_service.h
+++ b/drivers/staging/rtl8723bs/include/osdep_service.h
@@ -151,68 +151,11 @@ extern void rtw_free_netdev(struct net_device * netdev);
/* Macros for handling unaligned memory accesses */

#define RTW_GET_BE16(a) ((u16) (((a)[0] << 8) | (a)[1]))
-#define RTW_PUT_BE16(a, val) \
- do { \
- (a)[0] = ((u16) (val)) >> 8; \
- (a)[1] = ((u16) (val)) & 0xff; \
- } while (0)

#define RTW_GET_LE16(a) ((u16) (((a)[1] << 8) | (a)[0]))
-#define RTW_PUT_LE16(a, val) \
- do { \
- (a)[1] = ((u16) (val)) >> 8; \
- (a)[0] = ((u16) (val)) & 0xff; \
- } while (0)

#define RTW_GET_BE24(a) ((((u32) (a)[0]) << 16) | (((u32) (a)[1]) << 8) | \
((u32) (a)[2]))
-#define RTW_PUT_BE24(a, val) \
- do { \
- (a)[0] = (u8) ((((u32) (val)) >> 16) & 0xff); \
- (a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff); \
- (a)[2] = (u8) (((u32) (val)) & 0xff); \
- } while (0)
-
-#define RTW_GET_BE32(a) ((((u32) (a)[0]) << 24) | (((u32) (a)[1]) << 16) | \
- (((u32) (a)[2]) << 8) | ((u32) (a)[3]))
-#define RTW_PUT_BE32(a, val) \
- do { \
- (a)[0] = (u8) ((((u32) (val)) >> 24) & 0xff); \
- (a)[1] = (u8) ((((u32) (val)) >> 16) & 0xff); \
- (a)[2] = (u8) ((((u32) (val)) >> 8) & 0xff); \
- (a)[3] = (u8) (((u32) (val)) & 0xff); \
- } while (0)
-
-#define RTW_GET_LE32(a) ((((u32) (a)[3]) << 24) | (((u32) (a)[2]) << 16) | \
- (((u32) (a)[1]) << 8) | ((u32) (a)[0]))
-#define RTW_PUT_LE32(a, val) \
- do { \
- (a)[3] = (u8) ((((u32) (val)) >> 24) & 0xff); \
- (a)[2] = (u8) ((((u32) (val)) >> 16) & 0xff); \
- (a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff); \
- (a)[0] = (u8) (((u32) (val)) & 0xff); \
- } while (0)
-
-#define RTW_GET_BE64(a) ((((u64) (a)[0]) << 56) | (((u64) (a)[1]) << 48) | \
- (((u64) (a)[2]) << 40) | (((u64) (a)[3]) << 32) | \
- (((u64) (a)[4]) << 24) | (((u64) (a)[5]) << 16) | \
- (((u64) (a)[6]) << 8) | ((u64) (a)[7]))
-#define RTW_PUT_BE64(a, val) \
- do { \
- (a)[0] = (u8) (((u64) (val)) >> 56); \
- (a)[1] = (u8) (((u64) (val)) >> 48); \
- (a)[2] = (u8) (((u64) (val)) >> 40); \
- (a)[3] = (u8) (((u64) (val)) >> 32); \
- (a)[4] = (u8) (((u64) (val)) >> 24); \
- (a)[5] = (u8) (((u64) (val)) >> 16); \
- (a)[6] = (u8) (((u64) (val)) >> 8); \
- (a)[7] = (u8) (((u64) (val)) & 0xff); \
- } while (0)
-
-#define RTW_GET_LE64(a) ((((u64) (a)[7]) << 56) | (((u64) (a)[6]) << 48) | \
- (((u64) (a)[5]) << 40) | (((u64) (a)[4]) << 32) | \
- (((u64) (a)[3]) << 24) | (((u64) (a)[2]) << 16) | \
- (((u64) (a)[1]) << 8) | ((u64) (a)[0]))

void rtw_buf_free(u8 **buf, u32 *buf_len);
void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len);
--
2.26.2

2020-10-04 01:21:09

by Ross Schmidt

[permalink] [raw]
Subject: [PATCH 6/8] staging: rtl8723bs: replace RTW_GET_LE16 with get_unaligned_le16

Replace RTW_GET_LE16 macro with get_unaligned_le16.

Signed-off-by: Ross Schmidt <[email protected]>
---
drivers/staging/rtl8723bs/core/rtw_ap.c | 5 +++--
drivers/staging/rtl8723bs/core/rtw_ieee80211.c | 4 ++--
drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 7 ++++---
drivers/staging/rtl8723bs/include/osdep_service.h | 2 --
4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_ap.c b/drivers/staging/rtl8723bs/core/rtw_ap.c
index a76e81330756..4f270d509ad3 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ap.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ap.c
@@ -8,6 +8,7 @@

#include <drv_types.h>
#include <rtw_debug.h>
+#include <asm/unaligned.h>

extern unsigned char RTW_WPA_OUI[];
extern unsigned char WMM_OUI[];
@@ -995,12 +996,12 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
/* beacon interval */
p = rtw_get_beacon_interval_from_ie(ie);/* ie + 8; 8: TimeStamp, 2: Beacon Interval 2:Capability */
/* pbss_network->Configuration.BeaconPeriod = le16_to_cpu(*(unsigned short*)p); */
- pbss_network->Configuration.BeaconPeriod = RTW_GET_LE16(p);
+ pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p);

/* capability */
/* cap = *(unsigned short *)rtw_get_capability_from_ie(ie); */
/* cap = le16_to_cpu(cap); */
- cap = RTW_GET_LE16(ie);
+ cap = get_unaligned_le16(ie);

/* SSID */
p = rtw_get_ie(
diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
index 977f0ed53ad7..3b7a3c220032 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
@@ -500,7 +500,7 @@ int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwis
/* pairwise_cipher */
if (left >= 2) {
/* count = le16_to_cpu(*(u16*)pos); */
- count = RTW_GET_LE16(pos);
+ count = get_unaligned_le16(pos);
pos += 2;
left -= 2;

@@ -570,7 +570,7 @@ int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwi
/* pairwise_cipher */
if (left >= 2) {
/* count = le16_to_cpu(*(u16*)pos); */
- count = RTW_GET_LE16(pos);
+ count = get_unaligned_le16(pos);
pos += 2;
left -= 2;

diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
index 6db637701063..b912ad2f4b72 100644
--- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
@@ -11,6 +11,7 @@
#include <rtw_wifi_regd.h>
#include <hal_btcoex.h>
#include <linux/kernel.h>
+#include <asm/unaligned.h>

static struct mlme_handler mlme_sta_tbl[] = {
{WIFI_ASSOCREQ, "OnAssocReq", &OnAssocReq},
@@ -1213,7 +1214,7 @@ unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame)
goto asoc_class2_error;
}

- capab_info = RTW_GET_LE16(pframe + WLAN_HDR_A3_LEN);
+ capab_info = get_unaligned_le16(pframe + WLAN_HDR_A3_LEN);
/* capab_info = le16_to_cpu(*(unsigned short *)(pframe + WLAN_HDR_A3_LEN)); */

left = pkt_len - (sizeof(struct ieee80211_hdr_3addr) + ie_offset);
@@ -1959,7 +1960,7 @@ unsigned int OnAction_back(struct adapter *padapter, union recv_frame *precv_fra
break;

case RTW_WLAN_ACTION_ADDBA_RESP: /* ADDBA response */
- status = RTW_GET_LE16(&frame_body[3]);
+ status = get_unaligned_le16(&frame_body[3]);
tid = ((frame_body[5] >> 2) & 0x7);

if (status == 0) {
@@ -1989,7 +1990,7 @@ unsigned int OnAction_back(struct adapter *padapter, union recv_frame *precv_fra
~BIT((frame_body[3] >> 4) & 0xf);

/* reason_code = frame_body[4] | (frame_body[5] << 8); */
- reason_code = RTW_GET_LE16(&frame_body[4]);
+ reason_code = get_unaligned_le16(&frame_body[4]);
} else if ((frame_body[3] & BIT(3)) == BIT(3)) {
tid = (frame_body[3] >> 4) & 0x0F;

diff --git a/drivers/staging/rtl8723bs/include/osdep_service.h b/drivers/staging/rtl8723bs/include/osdep_service.h
index a26c8db302e0..2f7e1665b6b1 100644
--- a/drivers/staging/rtl8723bs/include/osdep_service.h
+++ b/drivers/staging/rtl8723bs/include/osdep_service.h
@@ -152,8 +152,6 @@ extern void rtw_free_netdev(struct net_device * netdev);

#define RTW_GET_BE16(a) ((u16) (((a)[0] << 8) | (a)[1]))

-#define RTW_GET_LE16(a) ((u16) (((a)[1] << 8) | (a)[0]))
-
void rtw_buf_free(u8 **buf, u32 *buf_len);
void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len);

--
2.26.2

2020-10-04 01:22:10

by Ross Schmidt

[permalink] [raw]
Subject: [PATCH 3/8] staging: rtl8723bs: replace _RND8 with round_up()

Use round_up instead of inline _RND8.

Signed-off-by: Ross Schmidt <[email protected]>
---
drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c | 2 +-
drivers/staging/rtl8723bs/include/osdep_service.h | 11 -----------
2 files changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c b/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c
index b9ccaad748ea..1fbf89cb72d0 100644
--- a/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c
+++ b/drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c
@@ -369,7 +369,7 @@ static void rtl8723bs_recv_tasklet(struct tasklet_struct *t)
}
}

- pkt_offset = _RND8(pkt_offset);
+ pkt_offset = round_up(pkt_offset, 8);
precvbuf->pdata += pkt_offset;
ptr = precvbuf->pdata;
precvframe = NULL;
diff --git a/drivers/staging/rtl8723bs/include/osdep_service.h b/drivers/staging/rtl8723bs/include/osdep_service.h
index 8f0e5cbf485b..c5e9a4eebd27 100644
--- a/drivers/staging/rtl8723bs/include/osdep_service.h
+++ b/drivers/staging/rtl8723bs/include/osdep_service.h
@@ -132,17 +132,6 @@ static inline int rtw_bug_check(void *parg1, void *parg2, void *parg3, void *par

#define _RND(sz, r) ((((sz)+((r)-1))/(r))*(r))

-static inline u32 _RND8(u32 sz)
-{
-
- u32 val;
-
- val = ((sz >> 3) + ((sz & 7) ? 1 : 0)) << 3;
-
- return val;
-
-}
-
#ifndef MAC_FMT
#define MAC_FMT "%pM"
#endif
--
2.26.2

2020-10-04 01:23:10

by Ross Schmidt

[permalink] [raw]
Subject: [PATCH 5/8] staging: rtl8723bs: replace RTW_GET_BE24 with get_unaligned_be24

Replace RTW_GET_BE24 macro with get_unaligned_be24.

Signed-off-by: Ross Schmidt <[email protected]>
---
drivers/staging/rtl8723bs/core/rtw_ieee80211.c | 3 ++-
drivers/staging/rtl8723bs/include/osdep_service.h | 3 ---
2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
index ca98274ae390..977f0ed53ad7 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
@@ -9,6 +9,7 @@
#include <drv_types.h>
#include <rtw_debug.h>
#include <linux/of.h>
+#include <asm/unaligned.h>

u8 RTW_WPA_OUI_TYPE[] = { 0x00, 0x50, 0xf2, 1 };
u16 RTW_WPA_VERSION = 1;
@@ -874,7 +875,7 @@ static int rtw_ieee802_11_parse_vendor_specific(u8 *pos, uint elen,
return -1;
}

- oui = RTW_GET_BE24(pos);
+ oui = get_unaligned_be24(pos);
switch (oui) {
case OUI_MICROSOFT:
/* Microsoft/Wi-Fi information elements are further typed and
diff --git a/drivers/staging/rtl8723bs/include/osdep_service.h b/drivers/staging/rtl8723bs/include/osdep_service.h
index da4aa3e71a4b..a26c8db302e0 100644
--- a/drivers/staging/rtl8723bs/include/osdep_service.h
+++ b/drivers/staging/rtl8723bs/include/osdep_service.h
@@ -154,9 +154,6 @@ extern void rtw_free_netdev(struct net_device * netdev);

#define RTW_GET_LE16(a) ((u16) (((a)[1] << 8) | (a)[0]))

-#define RTW_GET_BE24(a) ((((u32) (a)[0]) << 16) | (((u32) (a)[1]) << 8) | \
- ((u32) (a)[2]))
-
void rtw_buf_free(u8 **buf, u32 *buf_len);
void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len);

--
2.26.2

2020-10-04 01:24:05

by Ross Schmidt

[permalink] [raw]
Subject: [PATCH 7/8] staging: rtl8723bs: replace RTW_GET_BE16 with get_unaligned_be16

Replace RTW_GET_BE16 macro with get_unlaligned_be16.

Signed-off-by: Ross Schmidt <[email protected]>
---
drivers/staging/rtl8723bs/core/rtw_ieee80211.c | 4 ++--
drivers/staging/rtl8723bs/core/rtw_recv.c | 3 ++-
drivers/staging/rtl8723bs/include/osdep_service.h | 2 --
drivers/staging/rtl8723bs/os_dep/recv_linux.c | 3 ++-
4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
index 3b7a3c220032..c43cca4a3828 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
@@ -801,8 +801,8 @@ u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_att

while (attr_ptr - wps_ie < wps_ielen) {
/* 4 = 2(Attribute ID) + 2(Length) */
- u16 attr_id = RTW_GET_BE16(attr_ptr);
- u16 attr_data_len = RTW_GET_BE16(attr_ptr + 2);
+ u16 attr_id = get_unaligned_be16(attr_ptr);
+ u16 attr_data_len = get_unaligned_be16(attr_ptr + 2);
u16 attr_len = attr_data_len + 4;

/* DBG_871X("%s attr_ptr:%p, id:%u, length:%u\n", __func__, attr_ptr, attr_id, attr_data_len); */
diff --git a/drivers/staging/rtl8723bs/core/rtw_recv.c b/drivers/staging/rtl8723bs/core/rtw_recv.c
index 7e1da0e35812..6979f8dbccb8 100644
--- a/drivers/staging/rtl8723bs/core/rtw_recv.c
+++ b/drivers/staging/rtl8723bs/core/rtw_recv.c
@@ -11,6 +11,7 @@
#include <linux/jiffies.h>
#include <rtw_recv.h>
#include <net/cfg80211.h>
+#include <asm/unaligned.h>

static u8 SNAP_ETH_TYPE_IPX[2] = {0x81, 0x37};
static u8 SNAP_ETH_TYPE_APPLETALK_AARP[2] = {0x80, 0xf3};
@@ -1906,7 +1907,7 @@ static int amsdu_to_msdu(struct adapter *padapter, union recv_frame *prframe)
while (a_len > ETH_HLEN) {

/* Offset 12 denote 2 mac address */
- nSubframe_Length = RTW_GET_BE16(pdata + 12);
+ nSubframe_Length = get_unaligned_be16(pdata + 12);

if (a_len < (ETHERNET_HEADER_SIZE + nSubframe_Length)) {
DBG_871X("nRemain_Length is %d and nSubframe_Length is : %d\n", a_len, nSubframe_Length);
diff --git a/drivers/staging/rtl8723bs/include/osdep_service.h b/drivers/staging/rtl8723bs/include/osdep_service.h
index 2f7e1665b6b1..a94b72397ce7 100644
--- a/drivers/staging/rtl8723bs/include/osdep_service.h
+++ b/drivers/staging/rtl8723bs/include/osdep_service.h
@@ -150,8 +150,6 @@ extern void rtw_free_netdev(struct net_device * netdev);

/* Macros for handling unaligned memory accesses */

-#define RTW_GET_BE16(a) ((u16) (((a)[0] << 8) | (a)[1]))
-
void rtw_buf_free(u8 **buf, u32 *buf_len);
void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len);

diff --git a/drivers/staging/rtl8723bs/os_dep/recv_linux.c b/drivers/staging/rtl8723bs/os_dep/recv_linux.c
index b2a1bbb30df6..900ff3a3b014 100644
--- a/drivers/staging/rtl8723bs/os_dep/recv_linux.c
+++ b/drivers/staging/rtl8723bs/os_dep/recv_linux.c
@@ -10,6 +10,7 @@
#include <rtw_debug.h>
#include <linux/jiffies.h>
#include <net/cfg80211.h>
+#include <asm/unaligned.h>

void rtw_os_free_recvframe(union recv_frame *precvframe)
{
@@ -69,7 +70,7 @@ _pkt *rtw_os_alloc_msdu_pkt(union recv_frame *prframe, u16 nSubframe_Length, u8
skb_reserve(sub_skb, 12);
skb_put_data(sub_skb, (pdata + ETH_HLEN), nSubframe_Length);

- eth_type = RTW_GET_BE16(&sub_skb->data[6]);
+ eth_type = get_unaligned_be16(&sub_skb->data[6]);

if (sub_skb->len >= 8 &&
((!memcmp(sub_skb->data, rfc1042_header, SNAP_SIZE) &&
--
2.26.2

2020-10-04 10:04:58

by David Laight

[permalink] [raw]
Subject: RE: [PATCH 1/8] staging: rtl8723bs: replace RND4 with round_up()

From: Ross Schmidt
> Sent: 04 October 2020 02:18
>
> Use round_up instead of define RND4.

RND4 was also particularly horrid!
...
> diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c
> b/drivers/staging/rtl8723bs/core/rtw_security.c
> index 7f74e1d05b3a..159d32ace2bc 100644
> --- a/drivers/staging/rtl8723bs/core/rtw_security.c
> +++ b/drivers/staging/rtl8723bs/core/rtw_security.c
> @@ -260,7 +260,7 @@ void rtw_wep_encrypt(struct adapter *padapter, u8 *pxmitframe)
> arcfour_encrypt(&mycontext, payload+length, crc, 4);
>
> pframe += pxmitpriv->frag_len;
> - pframe = (u8 *)RND4((SIZE_PTR)(pframe));
> + pframe = (u8 *)round_up((SIZE_PTR)(pframe), 4);

I also suspect this is equivalent to:
pframe == round_up(pxmitpriv->frag_len, 4);

Does make one wonder whether the skipped bytes need to be
zeroed though.

David

-
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