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iwlwifi: remove agn rates info there
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Code and data related to agn bitrates can be
part of the agn module rather than being in
the core module.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Johannes Berg authored and Wey-Yi Guy committed Oct 7, 2010
1 parent 57934dc commit 635b85b
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Showing 6 changed files with 80 additions and 84 deletions.
9 changes: 9 additions & 0 deletions drivers/net/wireless/iwlwifi/iwl-3945.c
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,15 @@ const struct iwl3945_rate_info iwl3945_rates[IWL_RATE_COUNT_3945] = {
IWL_DECLARE_RATE_INFO(54, 48, INV, 48, INV, 48, INV),/* 54mbps */
};

static inline u8 iwl3945_get_prev_ieee_rate(u8 rate_index)
{
u8 rate = iwl3945_rates[rate_index].prev_ieee;

if (rate == IWL_RATE_INVALID)
rate = rate_index;
return rate;
}

/* 1 = enable the iwl3945_disable_events() function */
#define IWL_EVT_DISABLE (0)
#define IWL_EVT_DISABLE_SIZE (1532/32)
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5 changes: 3 additions & 2 deletions drivers/net/wireless/iwlwifi/iwl-3945.h
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Expand Up @@ -138,8 +138,6 @@ enum iwl3945_antenna {
#define DEFAULT_SHORT_RETRY_LIMIT 7U
#define DEFAULT_LONG_RETRY_LIMIT 4U

#include "iwl-agn-rs.h"

#define IWL_TX_FIFO_AC0 0
#define IWL_TX_FIFO_AC1 1
#define IWL_TX_FIFO_AC2 2
Expand Down Expand Up @@ -301,6 +299,9 @@ extern int iwl3945_rs_next_rate(struct iwl_priv *priv, int rate);
int iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif);
void iwl3945_post_scan(struct iwl_priv *priv);

/* rates */
extern const struct iwl3945_rate_info iwl3945_rates[IWL_RATE_COUNT_3945];

/* Requires full declaration of iwl_priv before including */
#include "iwl-io.h"

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68 changes: 68 additions & 0 deletions drivers/net/wireless/iwlwifi/iwl-agn-rs.c
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Expand Up @@ -77,6 +77,74 @@ static const u8 ant_toggle_lookup[] = {
/*ANT_ABC -> */ ANT_ABC,
};

#define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np) \
[IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP, \
IWL_RATE_SISO_##s##M_PLCP, \
IWL_RATE_MIMO2_##s##M_PLCP,\
IWL_RATE_MIMO3_##s##M_PLCP,\
IWL_RATE_##r##M_IEEE, \
IWL_RATE_##ip##M_INDEX, \
IWL_RATE_##in##M_INDEX, \
IWL_RATE_##rp##M_INDEX, \
IWL_RATE_##rn##M_INDEX, \
IWL_RATE_##pp##M_INDEX, \
IWL_RATE_##np##M_INDEX }

/*
* Parameter order:
* rate, ht rate, prev rate, next rate, prev tgg rate, next tgg rate
*
* If there isn't a valid next or previous rate then INV is used which
* maps to IWL_RATE_INVALID
*
*/
const struct iwl_rate_info iwl_rates[IWL_RATE_COUNT] = {
IWL_DECLARE_RATE_INFO(1, INV, INV, 2, INV, 2, INV, 2), /* 1mbps */
IWL_DECLARE_RATE_INFO(2, INV, 1, 5, 1, 5, 1, 5), /* 2mbps */
IWL_DECLARE_RATE_INFO(5, INV, 2, 6, 2, 11, 2, 11), /*5.5mbps */
IWL_DECLARE_RATE_INFO(11, INV, 9, 12, 9, 12, 5, 18), /* 11mbps */
IWL_DECLARE_RATE_INFO(6, 6, 5, 9, 5, 11, 5, 11), /* 6mbps */
IWL_DECLARE_RATE_INFO(9, 6, 6, 11, 6, 11, 5, 11), /* 9mbps */
IWL_DECLARE_RATE_INFO(12, 12, 11, 18, 11, 18, 11, 18), /* 12mbps */
IWL_DECLARE_RATE_INFO(18, 18, 12, 24, 12, 24, 11, 24), /* 18mbps */
IWL_DECLARE_RATE_INFO(24, 24, 18, 36, 18, 36, 18, 36), /* 24mbps */
IWL_DECLARE_RATE_INFO(36, 36, 24, 48, 24, 48, 24, 48), /* 36mbps */
IWL_DECLARE_RATE_INFO(48, 48, 36, 54, 36, 54, 36, 54), /* 48mbps */
IWL_DECLARE_RATE_INFO(54, 54, 48, INV, 48, INV, 48, INV),/* 54mbps */
IWL_DECLARE_RATE_INFO(60, 60, 48, INV, 48, INV, 48, INV),/* 60mbps */
/* FIXME:RS: ^^ should be INV (legacy) */
};

static int iwl_hwrate_to_plcp_idx(u32 rate_n_flags)
{
int idx = 0;

/* HT rate format */
if (rate_n_flags & RATE_MCS_HT_MSK) {
idx = (rate_n_flags & 0xff);

if (idx >= IWL_RATE_MIMO3_6M_PLCP)
idx = idx - IWL_RATE_MIMO3_6M_PLCP;
else if (idx >= IWL_RATE_MIMO2_6M_PLCP)
idx = idx - IWL_RATE_MIMO2_6M_PLCP;

idx += IWL_FIRST_OFDM_RATE;
/* skip 9M not supported in ht*/
if (idx >= IWL_RATE_9M_INDEX)
idx += 1;
if ((idx >= IWL_FIRST_OFDM_RATE) && (idx <= IWL_LAST_OFDM_RATE))
return idx;

/* legacy rate format, search for match in table */
} else {
for (idx = 0; idx < ARRAY_SIZE(iwl_rates); idx++)
if (iwl_rates[idx].plcp == (rate_n_flags & 0xFF))
return idx;
}

return -1;
}

static void rs_rate_scale_perform(struct iwl_priv *priv,
struct sk_buff *skb,
struct ieee80211_sta *sta,
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10 changes: 0 additions & 10 deletions drivers/net/wireless/iwlwifi/iwl-agn-rs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -299,7 +299,6 @@ enum {
#define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y))

extern const struct iwl_rate_info iwl_rates[IWL_RATE_COUNT];
extern const struct iwl3945_rate_info iwl3945_rates[IWL_RATE_COUNT_3945];

enum iwl_table_type {
LQ_NONE,
Expand Down Expand Up @@ -453,15 +452,6 @@ static inline u8 first_antenna(u8 mask)
}


static inline u8 iwl3945_get_prev_ieee_rate(u8 rate_index)
{
u8 rate = iwl3945_rates[rate_index].prev_ieee;

if (rate == IWL_RATE_INVALID)
rate = rate_index;
return rate;
}

/**
* iwl3945_rate_scale_init - Initialize the rate scale table based on assoc info
*
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70 changes: 0 additions & 70 deletions drivers/net/wireless/iwlwifi/iwl-core.c
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Original file line number Diff line number Diff line change
Expand Up @@ -69,79 +69,9 @@ EXPORT_SYMBOL_GPL(bt_coex_active);
module_param(bt_coex_active, bool, S_IRUGO);
MODULE_PARM_DESC(bt_coex_active, "enable wifi/bluetooth co-exist");

#define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np) \
[IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP, \
IWL_RATE_SISO_##s##M_PLCP, \
IWL_RATE_MIMO2_##s##M_PLCP,\
IWL_RATE_MIMO3_##s##M_PLCP,\
IWL_RATE_##r##M_IEEE, \
IWL_RATE_##ip##M_INDEX, \
IWL_RATE_##in##M_INDEX, \
IWL_RATE_##rp##M_INDEX, \
IWL_RATE_##rn##M_INDEX, \
IWL_RATE_##pp##M_INDEX, \
IWL_RATE_##np##M_INDEX }

u32 iwl_debug_level;
EXPORT_SYMBOL(iwl_debug_level);

/*
* Parameter order:
* rate, ht rate, prev rate, next rate, prev tgg rate, next tgg rate
*
* If there isn't a valid next or previous rate then INV is used which
* maps to IWL_RATE_INVALID
*
*/
const struct iwl_rate_info iwl_rates[IWL_RATE_COUNT] = {
IWL_DECLARE_RATE_INFO(1, INV, INV, 2, INV, 2, INV, 2), /* 1mbps */
IWL_DECLARE_RATE_INFO(2, INV, 1, 5, 1, 5, 1, 5), /* 2mbps */
IWL_DECLARE_RATE_INFO(5, INV, 2, 6, 2, 11, 2, 11), /*5.5mbps */
IWL_DECLARE_RATE_INFO(11, INV, 9, 12, 9, 12, 5, 18), /* 11mbps */
IWL_DECLARE_RATE_INFO(6, 6, 5, 9, 5, 11, 5, 11), /* 6mbps */
IWL_DECLARE_RATE_INFO(9, 6, 6, 11, 6, 11, 5, 11), /* 9mbps */
IWL_DECLARE_RATE_INFO(12, 12, 11, 18, 11, 18, 11, 18), /* 12mbps */
IWL_DECLARE_RATE_INFO(18, 18, 12, 24, 12, 24, 11, 24), /* 18mbps */
IWL_DECLARE_RATE_INFO(24, 24, 18, 36, 18, 36, 18, 36), /* 24mbps */
IWL_DECLARE_RATE_INFO(36, 36, 24, 48, 24, 48, 24, 48), /* 36mbps */
IWL_DECLARE_RATE_INFO(48, 48, 36, 54, 36, 54, 36, 54), /* 48mbps */
IWL_DECLARE_RATE_INFO(54, 54, 48, INV, 48, INV, 48, INV),/* 54mbps */
IWL_DECLARE_RATE_INFO(60, 60, 48, INV, 48, INV, 48, INV),/* 60mbps */
/* FIXME:RS: ^^ should be INV (legacy) */
};
EXPORT_SYMBOL(iwl_rates);

int iwl_hwrate_to_plcp_idx(u32 rate_n_flags)
{
int idx = 0;

/* HT rate format */
if (rate_n_flags & RATE_MCS_HT_MSK) {
idx = (rate_n_flags & 0xff);

if (idx >= IWL_RATE_MIMO3_6M_PLCP)
idx = idx - IWL_RATE_MIMO3_6M_PLCP;
else if (idx >= IWL_RATE_MIMO2_6M_PLCP)
idx = idx - IWL_RATE_MIMO2_6M_PLCP;

idx += IWL_FIRST_OFDM_RATE;
/* skip 9M not supported in ht*/
if (idx >= IWL_RATE_9M_INDEX)
idx += 1;
if ((idx >= IWL_FIRST_OFDM_RATE) && (idx <= IWL_LAST_OFDM_RATE))
return idx;

/* legacy rate format, search for match in table */
} else {
for (idx = 0; idx < ARRAY_SIZE(iwl_rates); idx++)
if (iwl_rates[idx].plcp == (rate_n_flags & 0xFF))
return idx;
}

return -1;
}
EXPORT_SYMBOL(iwl_hwrate_to_plcp_idx);

u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant, u8 valid)
{
int i;
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2 changes: 0 additions & 2 deletions drivers/net/wireless/iwlwifi/iwl-core.h
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Original file line number Diff line number Diff line change
Expand Up @@ -547,8 +547,6 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
* Rate
******************************************************************************/

int iwl_hwrate_to_plcp_idx(u32 rate_n_flags);

u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv,
struct iwl_rxon_context *ctx);

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