From 616107ed818876076bc482d3a33f89c31297b86e Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Fri, 23 Dec 2011 08:13:45 +0100 Subject: [PATCH] iwlegacy: 4965: small tx_cmd build cleanup Get rid of two inline functions related and simplify a bit rts_retry_limit calculations. Signed-off-by: Stanislaw Gruszka Signed-off-by: John W. Linville --- drivers/net/wireless/iwlegacy/4965-mac.c | 33 +++++++----------------- drivers/net/wireless/iwlegacy/4965.h | 6 ----- 2 files changed, 9 insertions(+), 30 deletions(-) diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index e1dfb2c4f832..cefc623f19ea 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -819,12 +819,6 @@ il4965_get_channels_for_scan(struct il_priv *il, struct ieee80211_vif *vif, return added; } -static inline u32 -il4965_ant_idx_to_flags(u8 ant_idx) -{ - return BIT(ant_idx) << RATE_MCS_ANT_POS; -} - static void il4965_toggle_tx_ant(struct il_priv *il, u8 *ant, u8 valid) { @@ -976,9 +970,8 @@ il4965_request_scan(struct il_priv *il, struct ieee80211_vif *vif) rx_ant = il->cfg->scan_rx_antennas[band]; il4965_toggle_tx_ant(il, &il->scan_tx_ant[band], scan_tx_antennas); - rate_flags |= il4965_ant_idx_to_flags(il->scan_tx_ant[band]); - scan->tx_cmd.rate_n_flags = - il4965_hw_set_rate_n_flags(rate, rate_flags); + rate_flags |= BIT(il->scan_tx_ant[band]) << RATE_MCS_ANT_POS; + scan->tx_cmd.rate_n_flags = cpu_to_le32(rate | rate_flags); /* In power save mode use one chain, otherwise use all chains */ if (test_bit(S_POWER_PMI, &il->status)) { @@ -1530,15 +1523,13 @@ il4965_tx_cmd_build_basic(struct il_priv *il, struct sk_buff *skb, tx_cmd->next_frame_len = 0; } -#define RTS_DFAULT_RETRY_LIMIT 60 - static void il4965_tx_cmd_build_rate(struct il_priv *il, struct il_tx_cmd *tx_cmd, struct ieee80211_tx_info *info, __le16 fc) { + const u8 rts_retry_limit = 60; u32 rate_flags; int rate_idx; - u8 rts_retry_limit; u8 data_retry_limit; u8 rate_plcp; @@ -1548,12 +1539,8 @@ il4965_tx_cmd_build_rate(struct il_priv *il, struct il_tx_cmd *tx_cmd, else data_retry_limit = IL4965_DEFAULT_TX_RETRY; tx_cmd->data_retry_limit = data_retry_limit; - /* Set retry limit on RTS packets */ - rts_retry_limit = RTS_DFAULT_RETRY_LIMIT; - if (data_retry_limit < rts_retry_limit) - rts_retry_limit = data_retry_limit; - tx_cmd->rts_retry_limit = rts_retry_limit; + tx_cmd->rts_retry_limit = min(data_retry_limit, rts_retry_limit); /* DATA packets will use the uCode station table for rate/antenna * selection */ @@ -1589,11 +1576,10 @@ il4965_tx_cmd_build_rate(struct il_priv *il, struct il_tx_cmd *tx_cmd, /* Set up antennas */ il4965_toggle_tx_ant(il, &il->mgmt_tx_ant, il->hw_params.valid_tx_ant); - rate_flags |= il4965_ant_idx_to_flags(il->mgmt_tx_ant); + rate_flags |= BIT(il->mgmt_tx_ant) << RATE_MCS_ANT_POS; /* Set the rate in the TX cmd */ - tx_cmd->rate_n_flags = - il4965_hw_set_rate_n_flags(rate_plcp, rate_flags); + tx_cmd->rate_n_flags = cpu_to_le32(rate_plcp | rate_flags); } static void @@ -2753,7 +2739,7 @@ il4965_sta_alloc_lq(struct il_priv *il, u8 sta_id) rate_flags |= il4965_first_antenna(il->hw_params. valid_tx_ant) << RATE_MCS_ANT_POS; - rate_n_flags = il4965_hw_set_rate_n_flags(il_rates[r].plcp, rate_flags); + rate_n_flags = cpu_to_le32(il_rates[r].plcp | rate_flags); for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) link_cmd->rs_table[i].rate_n_flags = rate_n_flags; @@ -3538,11 +3524,10 @@ il4965_hw_get_beacon_cmd(struct il_priv *il, struct il_frame *frame) /* Set up packet rate and flags */ rate = il_get_lowest_plcp(il, il->beacon_ctx); il4965_toggle_tx_ant(il, &il->mgmt_tx_ant, il->hw_params.valid_tx_ant); - rate_flags = il4965_ant_idx_to_flags(il->mgmt_tx_ant); + rate_flags = BIT(il->mgmt_tx_ant) << RATE_MCS_ANT_POS; if ((rate >= IL_FIRST_CCK_RATE) && (rate <= IL_LAST_CCK_RATE)) rate_flags |= RATE_MCS_CCK_MSK; - tx_beacon_cmd->tx.rate_n_flags = - il4965_hw_set_rate_n_flags(rate, rate_flags); + tx_beacon_cmd->tx.rate_n_flags = cpu_to_le32(rate | rate_flags); return sizeof(*tx_beacon_cmd) + frame_size; } diff --git a/drivers/net/wireless/iwlegacy/4965.h b/drivers/net/wireless/iwlegacy/4965.h index ca254aa4fd35..f280e0161b17 100644 --- a/drivers/net/wireless/iwlegacy/4965.h +++ b/drivers/net/wireless/iwlegacy/4965.h @@ -167,12 +167,6 @@ il4965_hw_get_rate(__le32 rate_n_flags) return le32_to_cpu(rate_n_flags) & 0xFF; } -static inline __le32 -il4965_hw_set_rate_n_flags(u8 rate, u32 flags) -{ - return cpu_to_le32(flags | (u32) rate); -} - /* eeprom */ void il4965_eeprom_get_mac(const struct il_priv *il, u8 * mac); int il4965_eeprom_acquire_semaphore(struct il_priv *il); -- 2.20.1