From b1cd84167b92de0f9fc7aad9cf272261496f4d0b Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Wed, 22 Nov 2006 00:06:38 +0000 Subject: [PATCH] [PATCH] zd1211rw: Rename cs_rate to zd_rate These controlset rate constants are also applicable in places outside the controlset, such as in the RTS/CTS control register. Signed-off-by: Daniel Drake Signed-off-by: John W. Linville --- drivers/net/wireless/zd1211rw/zd_ieee80211.h | 1 + drivers/net/wireless/zd1211rw/zd_mac.c | 56 ++++++++++---------- drivers/net/wireless/zd1211rw/zd_mac.h | 9 ++-- 3 files changed, 34 insertions(+), 32 deletions(-) diff --git a/drivers/net/wireless/zd1211rw/zd_ieee80211.h b/drivers/net/wireless/zd1211rw/zd_ieee80211.h index 36329890df..26b8298dff 100644 --- a/drivers/net/wireless/zd1211rw/zd_ieee80211.h +++ b/drivers/net/wireless/zd1211rw/zd_ieee80211.h @@ -50,6 +50,7 @@ static inline u8 zd_ofdm_plcp_header_rate( return header->prefix[0] & 0xf; } +/* These are referred to as zd_rates */ #define ZD_OFDM_RATE_6M 0xb #define ZD_OFDM_RATE_9M 0xf #define ZD_OFDM_RATE_12M 0xa diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 0bb53f0b8b..e6af18304b 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -325,13 +325,13 @@ u8 zd_mac_get_channel(struct zd_mac *mac) } /* If wrong rate is given, we are falling back to the slowest rate: 1MBit/s */ -static u8 cs_typed_rate(u8 cs_rate) +static u8 zd_rate_typed(u8 zd_rate) { static const u8 typed_rates[16] = { - [ZD_CS_CCK_RATE_1M] = ZD_CS_CCK|ZD_CS_CCK_RATE_1M, - [ZD_CS_CCK_RATE_2M] = ZD_CS_CCK|ZD_CS_CCK_RATE_2M, - [ZD_CS_CCK_RATE_5_5M] = ZD_CS_CCK|ZD_CS_CCK_RATE_5_5M, - [ZD_CS_CCK_RATE_11M] = ZD_CS_CCK|ZD_CS_CCK_RATE_11M, + [ZD_CCK_RATE_1M] = ZD_CS_CCK|ZD_CCK_RATE_1M, + [ZD_CCK_RATE_2M] = ZD_CS_CCK|ZD_CCK_RATE_2M, + [ZD_CCK_RATE_5_5M] = ZD_CS_CCK|ZD_CCK_RATE_5_5M, + [ZD_CCK_RATE_11M] = ZD_CS_CCK|ZD_CCK_RATE_11M, [ZD_OFDM_RATE_6M] = ZD_CS_OFDM|ZD_OFDM_RATE_6M, [ZD_OFDM_RATE_9M] = ZD_CS_OFDM|ZD_OFDM_RATE_9M, [ZD_OFDM_RATE_12M] = ZD_CS_OFDM|ZD_OFDM_RATE_12M, @@ -343,19 +343,19 @@ static u8 cs_typed_rate(u8 cs_rate) }; ZD_ASSERT(ZD_CS_RATE_MASK == 0x0f); - return typed_rates[cs_rate & ZD_CS_RATE_MASK]; + return typed_rates[zd_rate & ZD_CS_RATE_MASK]; } /* Fallback to lowest rate, if rate is unknown. */ -static u8 rate_to_cs_rate(u8 rate) +static u8 rate_to_zd_rate(u8 rate) { switch (rate) { case IEEE80211_CCK_RATE_2MB: - return ZD_CS_CCK_RATE_2M; + return ZD_CCK_RATE_2M; case IEEE80211_CCK_RATE_5MB: - return ZD_CS_CCK_RATE_5_5M; + return ZD_CCK_RATE_5_5M; case IEEE80211_CCK_RATE_11MB: - return ZD_CS_CCK_RATE_11M; + return ZD_CCK_RATE_11M; case IEEE80211_OFDM_RATE_6MB: return ZD_OFDM_RATE_6M; case IEEE80211_OFDM_RATE_9MB: @@ -373,7 +373,7 @@ static u8 rate_to_cs_rate(u8 rate) case IEEE80211_OFDM_RATE_54MB: return ZD_OFDM_RATE_54M; } - return ZD_CS_CCK_RATE_1M; + return ZD_CCK_RATE_1M; } int zd_mac_set_mode(struct zd_mac *mac, u32 mode) @@ -474,13 +474,13 @@ int zd_mac_get_range(struct zd_mac *mac, struct iw_range *range) return 0; } -static int zd_calc_tx_length_us(u8 *service, u8 cs_rate, u16 tx_length) +static int zd_calc_tx_length_us(u8 *service, u8 zd_rate, u16 tx_length) { static const u8 rate_divisor[] = { - [ZD_CS_CCK_RATE_1M] = 1, - [ZD_CS_CCK_RATE_2M] = 2, - [ZD_CS_CCK_RATE_5_5M] = 11, /* bits must be doubled */ - [ZD_CS_CCK_RATE_11M] = 11, + [ZD_CCK_RATE_1M] = 1, + [ZD_CCK_RATE_2M] = 2, + [ZD_CCK_RATE_5_5M] = 11, /* bits must be doubled */ + [ZD_CCK_RATE_11M] = 11, [ZD_OFDM_RATE_6M] = 6, [ZD_OFDM_RATE_9M] = 9, [ZD_OFDM_RATE_12M] = 12, @@ -494,15 +494,15 @@ static int zd_calc_tx_length_us(u8 *service, u8 cs_rate, u16 tx_length) u32 bits = (u32)tx_length * 8; u32 divisor; - divisor = rate_divisor[cs_rate]; + divisor = rate_divisor[zd_rate]; if (divisor == 0) return -EINVAL; - switch (cs_rate) { - case ZD_CS_CCK_RATE_5_5M: + switch (zd_rate) { + case ZD_CCK_RATE_5_5M: bits = (2*bits) + 10; /* round up to the next integer */ break; - case ZD_CS_CCK_RATE_11M: + case ZD_CCK_RATE_11M: if (service) { u32 t = bits % 11; *service &= ~ZD_PLCP_SERVICE_LENGTH_EXTENSION; @@ -522,16 +522,16 @@ enum { R2M_11A = 0x02, }; -static u8 cs_rate_to_modulation(u8 cs_rate, int flags) +static u8 zd_rate_to_modulation(u8 zd_rate, int flags) { u8 modulation; - modulation = cs_typed_rate(cs_rate); + modulation = zd_rate_typed(zd_rate); if (flags & R2M_SHORT_PREAMBLE) { switch (ZD_CS_RATE(modulation)) { - case ZD_CS_CCK_RATE_2M: - case ZD_CS_CCK_RATE_5_5M: - case ZD_CS_CCK_RATE_11M: + case ZD_CCK_RATE_2M: + case ZD_CCK_RATE_5_5M: + case ZD_CCK_RATE_11M: modulation |= ZD_CS_CCK_PREA_SHORT; return modulation; } @@ -548,15 +548,15 @@ static void cs_set_modulation(struct zd_mac *mac, struct zd_ctrlset *cs, { struct ieee80211softmac_device *softmac = ieee80211_priv(mac->netdev); u16 ftype = WLAN_FC_GET_TYPE(le16_to_cpu(hdr->frame_ctl)); - u8 rate, cs_rate; + u8 rate, zd_rate; int is_mgt = (ftype == IEEE80211_FTYPE_MGMT) != 0; /* FIXME: 802.11a? short preamble? */ rate = ieee80211softmac_suggest_txrate(softmac, is_multicast_ether_addr(hdr->addr1), is_mgt); - cs_rate = rate_to_cs_rate(rate); - cs->modulation = cs_rate_to_modulation(cs_rate, 0); + zd_rate = rate_to_zd_rate(rate); + cs->modulation = zd_rate_to_modulation(zd_rate, 0); } static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs, diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h index 3feb292651..3c86578150 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ b/drivers/net/wireless/zd1211rw/zd_mac.h @@ -48,10 +48,11 @@ struct zd_ctrlset { #define ZD_CS_CCK 0x00 #define ZD_CS_OFDM 0x10 -#define ZD_CS_CCK_RATE_1M 0x00 -#define ZD_CS_CCK_RATE_2M 0x01 -#define ZD_CS_CCK_RATE_5_5M 0x02 -#define ZD_CS_CCK_RATE_11M 0x03 +/* These are referred to as zd_rates */ +#define ZD_CCK_RATE_1M 0x00 +#define ZD_CCK_RATE_2M 0x01 +#define ZD_CCK_RATE_5_5M 0x02 +#define ZD_CCK_RATE_11M 0x03 /* The rates for OFDM are encoded as in the PLCP header. Use ZD_OFDM_RATE_*. */ -- 2.39.5