From 8e2e79ff61f15f1af6f08aa754bacaf0d504265c Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Sun, 2 Feb 2020 19:48:43 +0000 Subject: [PATCH] staging: vt6656: Remove fall back functions and headers. Fall back is no longer used in driver so remove all functions and headers. Signed-off-by: Malcolm Priestley Link: https://lore.kernel.org/r/33732aad-5905-c173-ea81-431265e4f7e7@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vt6656/device.h | 1 - drivers/staging/vt6656/rxtx.c | 206 -------------------------------- drivers/staging/vt6656/rxtx.h | 60 ---------- 3 files changed, 267 deletions(-) diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h index fe6c11266123..da868adba7c9 100644 --- a/drivers/staging/vt6656/device.h +++ b/drivers/staging/vt6656/device.h @@ -244,7 +244,6 @@ struct vnt_usb_send_context { u8 pkt_no; u8 pkt_type; u8 need_ack; - u8 fb_option; bool in_use; unsigned char data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS]; }; diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index 0fabeb396563..74c1062dbaaa 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -39,30 +39,12 @@ static const u16 vnt_time_stampoff[2][MAX_RATE] = { {384, 192, 130, 113, 54, 43, 37, 31, 28, 25, 24, 23}, }; -static const u16 vnt_fb_opt0[2][5] = { - {RATE_12M, RATE_18M, RATE_24M, RATE_36M, RATE_48M}, /* fallback_rate0 */ - {RATE_12M, RATE_12M, RATE_18M, RATE_24M, RATE_36M}, /* fallback_rate1 */ -}; - -static const u16 vnt_fb_opt1[2][5] = { - {RATE_12M, RATE_18M, RATE_24M, RATE_24M, RATE_36M}, /* fallback_rate0 */ - {RATE_6M, RATE_6M, RATE_12M, RATE_12M, RATE_18M}, /* fallback_rate1 */ -}; - #define RTSDUR_BB 0 #define RTSDUR_BA 1 #define RTSDUR_AA 2 #define CTSDUR_BA 3 -#define RTSDUR_BA_F0 4 -#define RTSDUR_AA_F0 5 -#define RTSDUR_BA_F1 6 -#define RTSDUR_AA_F1 7 -#define CTSDUR_BA_F0 8 -#define CTSDUR_BA_F1 9 #define DATADUR_B 10 #define DATADUR_A 11 -#define DATADUR_A_F0 12 -#define DATADUR_A_F1 13 static struct vnt_usb_send_context *vnt_get_free_context(struct vnt_private *priv) @@ -216,8 +198,6 @@ static __le16 vnt_get_rtscts_duration_le(struct vnt_usb_send_context *context, switch (dur_type) { case RTSDUR_BB: case RTSDUR_BA: - case RTSDUR_BA_F0: - case RTSDUR_BA_F1: cts_time = vnt_get_frame_time(priv->preamble_type, pkt_type, 14, priv->top_cck_basic_rate); dur_time = cts_time + 2 * priv->sifs + @@ -226,8 +206,6 @@ static __le16 vnt_get_rtscts_duration_le(struct vnt_usb_send_context *context, break; case RTSDUR_AA: - case RTSDUR_AA_F0: - case RTSDUR_AA_F1: cts_time = vnt_get_frame_time(priv->preamble_type, pkt_type, 14, priv->top_ofdm_basic_rate); dur_time = cts_time + 2 * priv->sifs + @@ -236,8 +214,6 @@ static __le16 vnt_get_rtscts_duration_le(struct vnt_usb_send_context *context, break; case CTSDUR_BA: - case CTSDUR_BA_F0: - case CTSDUR_BA_F1: dur_time = priv->sifs + vnt_get_rsvtime(priv, pkt_type, frame_length, rate, need_ack); break; @@ -297,63 +273,6 @@ static u16 vnt_rxtx_datahead_g(struct vnt_usb_send_context *tx_context, return le16_to_cpu(buf->duration_a); } -static u16 vnt_rxtx_datahead_g_fb(struct vnt_usb_send_context *tx_context, - struct vnt_tx_datahead_g_fb *buf) -{ - struct vnt_private *priv = tx_context->priv; - u32 frame_len = tx_context->frame_len; - u16 rate = tx_context->tx_rate; - u8 need_ack = tx_context->need_ack; - - /* Get SignalField,ServiceField,Length */ - vnt_get_phy_field(priv, frame_len, rate, tx_context->pkt_type, &buf->a); - - vnt_get_phy_field(priv, frame_len, priv->top_cck_basic_rate, - PK_TYPE_11B, &buf->b); - - /* Get Duration and TimeStamp */ - buf->duration_a = vnt_get_duration_le(priv, tx_context->pkt_type, - need_ack); - buf->duration_b = vnt_get_duration_le(priv, PK_TYPE_11B, need_ack); - - buf->duration_a_f0 = vnt_get_duration_le(priv, tx_context->pkt_type, - need_ack); - buf->duration_a_f1 = vnt_get_duration_le(priv, tx_context->pkt_type, - need_ack); - - buf->time_stamp_off_a = vnt_time_stamp_off(priv, rate); - buf->time_stamp_off_b = vnt_time_stamp_off(priv, - priv->top_cck_basic_rate); - - tx_context->tx_hdr_size = vnt_mac_hdr_pos(tx_context, &buf->hdr); - - return le16_to_cpu(buf->duration_a); -} - -static u16 vnt_rxtx_datahead_a_fb(struct vnt_usb_send_context *tx_context, - struct vnt_tx_datahead_a_fb *buf) -{ - struct vnt_private *priv = tx_context->priv; - u16 rate = tx_context->tx_rate; - u8 pkt_type = tx_context->pkt_type; - u8 need_ack = tx_context->need_ack; - u32 frame_len = tx_context->frame_len; - - /* Get SignalField,ServiceField,Length */ - vnt_get_phy_field(priv, frame_len, rate, pkt_type, &buf->a); - /* Get Duration and TimeStampOff */ - buf->duration = vnt_get_duration_le(priv, pkt_type, need_ack); - - buf->duration_f0 = vnt_get_duration_le(priv, pkt_type, need_ack); - buf->duration_f1 = vnt_get_duration_le(priv, pkt_type, need_ack); - - buf->time_stamp_off = vnt_time_stamp_off(priv, rate); - - tx_context->tx_hdr_size = vnt_mac_hdr_pos(tx_context, &buf->hdr); - - return le16_to_cpu(buf->duration); -} - static u16 vnt_rxtx_datahead_ab(struct vnt_usb_send_context *tx_context, struct vnt_tx_datahead_ab *buf) { @@ -426,50 +345,6 @@ static u16 vnt_rxtx_rts_g_head(struct vnt_usb_send_context *tx_context, return vnt_rxtx_datahead_g(tx_context, &buf->data_head); } -static u16 vnt_rxtx_rts_g_fb_head(struct vnt_usb_send_context *tx_context, - struct vnt_rts_g_fb *buf) -{ - struct vnt_private *priv = tx_context->priv; - u16 current_rate = tx_context->tx_rate; - u16 rts_frame_len = 20; - - vnt_get_phy_field(priv, rts_frame_len, priv->top_cck_basic_rate, - PK_TYPE_11B, &buf->b); - vnt_get_phy_field(priv, rts_frame_len, priv->top_ofdm_basic_rate, - tx_context->pkt_type, &buf->a); - - buf->duration_bb = vnt_get_rtscts_duration_le(tx_context, RTSDUR_BB, - PK_TYPE_11B, - priv->top_cck_basic_rate); - buf->duration_aa = vnt_get_rtscts_duration_le(tx_context, RTSDUR_AA, - tx_context->pkt_type, - current_rate); - buf->duration_ba = vnt_get_rtscts_duration_le(tx_context, RTSDUR_BA, - tx_context->pkt_type, - current_rate); - - buf->rts_duration_ba_f0 = - vnt_get_rtscts_duration_le(tx_context, RTSDUR_BA_F0, - tx_context->pkt_type, - priv->tx_rate_fb0); - buf->rts_duration_aa_f0 = - vnt_get_rtscts_duration_le(tx_context, RTSDUR_AA_F0, - tx_context->pkt_type, - priv->tx_rate_fb0); - buf->rts_duration_ba_f1 = - vnt_get_rtscts_duration_le(tx_context, RTSDUR_BA_F1, - tx_context->pkt_type, - priv->tx_rate_fb1); - buf->rts_duration_aa_f1 = - vnt_get_rtscts_duration_le(tx_context, RTSDUR_AA_F1, - tx_context->pkt_type, - priv->tx_rate_fb1); - - vnt_fill_ieee80211_rts(tx_context, &buf->data, buf->duration_aa); - - return vnt_rxtx_datahead_g_fb(tx_context, &buf->data_head); -} - static u16 vnt_rxtx_rts_ab_head(struct vnt_usb_send_context *tx_context, struct vnt_rts_ab *buf) { @@ -489,71 +364,6 @@ static u16 vnt_rxtx_rts_ab_head(struct vnt_usb_send_context *tx_context, return vnt_rxtx_datahead_ab(tx_context, &buf->data_head); } -static u16 vnt_rxtx_rts_a_fb_head(struct vnt_usb_send_context *tx_context, - struct vnt_rts_a_fb *buf) -{ - struct vnt_private *priv = tx_context->priv; - u16 current_rate = tx_context->tx_rate; - u16 rts_frame_len = 20; - - vnt_get_phy_field(priv, rts_frame_len, priv->top_ofdm_basic_rate, - tx_context->pkt_type, &buf->a); - - buf->duration = vnt_get_rtscts_duration_le(tx_context, RTSDUR_AA, - tx_context->pkt_type, - current_rate); - - buf->rts_duration_f0 = - vnt_get_rtscts_duration_le(tx_context, RTSDUR_AA_F0, - tx_context->pkt_type, - priv->tx_rate_fb0); - - buf->rts_duration_f1 = - vnt_get_rtscts_duration_le(tx_context, RTSDUR_AA_F1, - tx_context->pkt_type, - priv->tx_rate_fb1); - - vnt_fill_ieee80211_rts(tx_context, &buf->data, buf->duration); - - return vnt_rxtx_datahead_a_fb(tx_context, &buf->data_head); -} - -static u16 vnt_fill_cts_fb_head(struct vnt_usb_send_context *tx_context, - union vnt_tx_data_head *head) -{ - struct vnt_private *priv = tx_context->priv; - struct vnt_cts_fb *buf = &head->cts_g_fb; - u32 cts_frame_len = 14; - u16 current_rate = tx_context->tx_rate; - - /* Get SignalField,ServiceField,Length */ - vnt_get_phy_field(priv, cts_frame_len, priv->top_cck_basic_rate, - PK_TYPE_11B, &buf->b); - - buf->duration_ba = - vnt_get_rtscts_duration_le(tx_context, CTSDUR_BA, - tx_context->pkt_type, - current_rate); - /* Get CTSDuration_ba_f0 */ - buf->cts_duration_ba_f0 = - vnt_get_rtscts_duration_le(tx_context, CTSDUR_BA_F0, - tx_context->pkt_type, - priv->tx_rate_fb0); - /* Get CTSDuration_ba_f1 */ - buf->cts_duration_ba_f1 = - vnt_get_rtscts_duration_le(tx_context, CTSDUR_BA_F1, - tx_context->pkt_type, - priv->tx_rate_fb1); - /* Get CTS Frame body */ - buf->data.duration = buf->duration_ba; - buf->data.frame_control = - cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); - - ether_addr_copy(buf->data.ra, priv->current_net_addr); - - return vnt_rxtx_datahead_g_fb(tx_context, &buf->data_head); -} - static u16 vnt_fill_cts_head(struct vnt_usb_send_context *tx_context, union vnt_tx_data_head *head) { @@ -606,9 +416,6 @@ static u16 vnt_rxtx_rts(struct vnt_usb_send_context *tx_context, if (need_mic) head = &tx_head->tx_rts.tx.mic.head; - if (tx_context->fb_option) - return vnt_rxtx_rts_g_fb_head(tx_context, &head->rts_g_fb); - return vnt_rxtx_rts_g_head(tx_context, &head->rts_g); } @@ -633,10 +440,6 @@ static u16 vnt_rxtx_cts(struct vnt_usb_send_context *tx_context, if (need_mic) head = &tx_head->tx_cts.tx.mic.head; - /* Fill CTS */ - if (tx_context->fb_option) - return vnt_fill_cts_fb_head(tx_context, head); - return vnt_fill_cts_head(tx_context, head); } @@ -664,18 +467,9 @@ static u16 vnt_rxtx_ab(struct vnt_usb_send_context *tx_context, buf->rts_rrv_time = vnt_get_rtscts_rsvtime_le(priv, 2, tx_context->pkt_type, frame_len, current_rate); - if (tx_context->fb_option && - tx_context->pkt_type == PK_TYPE_11A) - return vnt_rxtx_rts_a_fb_head(tx_context, - &head->rts_a_fb); - return vnt_rxtx_rts_ab_head(tx_context, &head->rts_ab); } - if (tx_context->pkt_type == PK_TYPE_11A) - return vnt_rxtx_datahead_a_fb(tx_context, - &head->data_head_a_fb); - return vnt_rxtx_datahead_ab(tx_context, &head->data_head_ab); } diff --git a/drivers/staging/vt6656/rxtx.h b/drivers/staging/vt6656/rxtx.h index d528607e02bf..10076efa4522 100644 --- a/drivers/staging/vt6656/rxtx.h +++ b/drivers/staging/vt6656/rxtx.h @@ -73,18 +73,6 @@ struct vnt_tx_datahead_g { struct ieee80211_hdr hdr; } __packed; -struct vnt_tx_datahead_g_fb { - struct vnt_phy_field b; - struct vnt_phy_field a; - __le16 duration_b; - __le16 duration_a; - __le16 duration_a_f0; - __le16 duration_a_f1; - __le16 time_stamp_off_b; - __le16 time_stamp_off_a; - struct ieee80211_hdr hdr; -} __packed; - struct vnt_tx_datahead_ab { struct vnt_phy_field ab; __le16 duration; @@ -92,15 +80,6 @@ struct vnt_tx_datahead_ab { struct ieee80211_hdr hdr; } __packed; -struct vnt_tx_datahead_a_fb { - struct vnt_phy_field a; - __le16 duration; - __le16 time_stamp_off; - __le16 duration_f0; - __le16 duration_f1; - struct ieee80211_hdr hdr; -} __packed; - /* RTS buffer header */ struct vnt_rts_g { struct vnt_phy_field b; @@ -113,21 +92,6 @@ struct vnt_rts_g { struct vnt_tx_datahead_g data_head; } __packed; -struct vnt_rts_g_fb { - struct vnt_phy_field b; - struct vnt_phy_field a; - __le16 duration_ba; - __le16 duration_aa; - __le16 duration_bb; - u16 wReserved; - __le16 rts_duration_ba_f0; - __le16 rts_duration_aa_f0; - __le16 rts_duration_ba_f1; - __le16 rts_duration_aa_f1; - struct ieee80211_rts data; - struct vnt_tx_datahead_g_fb data_head; -} __packed; - struct vnt_rts_ab { struct vnt_phy_field ab; __le16 duration; @@ -136,15 +100,6 @@ struct vnt_rts_ab { struct vnt_tx_datahead_ab data_head; } __packed; -struct vnt_rts_a_fb { - struct vnt_phy_field a; - __le16 duration; - u16 wReserved; - __le16 rts_duration_f0; - __le16 rts_duration_f1; - struct ieee80211_rts data; - struct vnt_tx_datahead_a_fb data_head; -} __packed; /* CTS buffer header */ struct vnt_cts { @@ -156,29 +111,14 @@ struct vnt_cts { struct vnt_tx_datahead_g data_head; } __packed; -struct vnt_cts_fb { - struct vnt_phy_field b; - __le16 duration_ba; - u16 wReserved; - __le16 cts_duration_ba_f0; - __le16 cts_duration_ba_f1; - struct ieee80211_cts data; - u16 reserved2; - struct vnt_tx_datahead_g_fb data_head; -} __packed; - union vnt_tx_data_head { /* rts g */ struct vnt_rts_g rts_g; - struct vnt_rts_g_fb rts_g_fb; /* rts a/b */ struct vnt_rts_ab rts_ab; - struct vnt_rts_a_fb rts_a_fb; /* cts g */ struct vnt_cts cts_g; - struct vnt_cts_fb cts_g_fb; /* no rts/cts */ - struct vnt_tx_datahead_a_fb data_head_a_fb; struct vnt_tx_datahead_ab data_head_ab; }; -- 2.30.2