diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2018-05-18 11:30:06 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2018-05-29 09:17:04 +0200 |
| commit | 9644032e307022ecb1a436537cacedb91d569d98 (patch) | |
| tree | 721e58e472dc38ec66893aa7d701b6714f22a948 | |
| parent | rtlwifi: use sk_buff to queue C2H commands (diff) | |
| download | linux-9644032e307022ecb1a436537cacedb91d569d98.tar.xz linux-9644032e307022ecb1a436537cacedb91d569d98.zip | |
rtlwifi: access skb->data to get C2H data by macro
The format of C2H data is ID(1 byte) + Length(1 byte) + value, and it is
more readable to use macros to access C2H data.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/base.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/wifi.h | 5 |
2 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index 61f12f86fcd4..a5939ddfa9cb 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -2288,10 +2288,10 @@ static void rtl_c2h_content_parsing(struct ieee80211_hw *hw, u8 cmd_id, cmd_seq, cmd_len; u8 *cmd_buf = NULL; - cmd_id = skb->data[0]; - cmd_seq = skb->data[1]; - cmd_len = skb->len - 2; - cmd_buf = skb->data + 2; + cmd_id = GET_C2H_CMD_ID(skb->data); + cmd_seq = GET_C2H_SEQ(skb->data); + cmd_len = skb->len - C2H_DATA_OFFSET; + cmd_buf = GET_C2H_DATA_PTR(skb->data); switch (cmd_id) { case C2H_DBG: diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h index 9e620b943f8c..0f3b98c5227f 100644 --- a/drivers/net/wireless/realtek/rtlwifi/wifi.h +++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h @@ -177,6 +177,11 @@ enum rtl_c2h_evt_v2 { C2H_V2_CCX_RPT = 0x0F, }; +#define GET_C2H_CMD_ID(c2h) ({u8 *__c2h = c2h; __c2h[0]; }) +#define GET_C2H_SEQ(c2h) ({u8 *__c2h = c2h; __c2h[1]; }) +#define C2H_DATA_OFFSET 2 +#define GET_C2H_DATA_PTR(c2h) ({u8 *__c2h = c2h; &__c2h[C2H_DATA_OFFSET]; }) + #define GET_TX_REPORT_SN_V1(c2h) (c2h[6]) #define GET_TX_REPORT_ST_V1(c2h) (c2h[0] & 0xC0) #define GET_TX_REPORT_RETRY_V1(c2h) (c2h[2] & 0x3F) |