diff options
author | Stanislaw Gruszka <sgruszka@redhat.com> | 2011-12-23 08:13:49 +0100 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2012-01-04 14:30:45 -0500 |
commit | 81fb46139504f72a92243245df878e1a1af35f89 (patch) | |
tree | 3c7eb73a97eede57d68c24c7ce53e315f348be01 /drivers/net | |
parent | 5d0bef903abe8ac438b660c77d886e6b0394797c (diff) | |
download | linux-3.10-81fb46139504f72a92243245df878e1a1af35f89.tar.gz linux-3.10-81fb46139504f72a92243245df878e1a1af35f89.tar.bz2 linux-3.10-81fb46139504f72a92243245df878e1a1af35f89.zip |
iwlegacy: 3945: simplify calculations of retry limit
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/wireless/iwlegacy/3945-mac.c | 3 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/3945.c | 15 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/3945.h | 3 |
3 files changed, 6 insertions, 15 deletions
diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c index daef6b58f6c..c8179756bf3 100644 --- a/drivers/net/wireless/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/iwlegacy/3945-mac.c @@ -570,8 +570,7 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb) /* TODO need this for burst mode later on */ il3945_build_tx_cmd_basic(il, out_cmd, info, hdr, sta_id); - /* set is_hcca to 0; it probably will never be implemented */ - il3945_hw_build_tx_cmd_rate(il, out_cmd, info, hdr, sta_id, 0); + il3945_hw_build_tx_cmd_rate(il, out_cmd, info, hdr, sta_id); /* Total # bytes to be transmitted */ len = (u16) skb->len; diff --git a/drivers/net/wireless/iwlegacy/3945.c b/drivers/net/wireless/iwlegacy/3945.c index 44a12116780..1489b1573a6 100644 --- a/drivers/net/wireless/iwlegacy/3945.c +++ b/drivers/net/wireless/iwlegacy/3945.c @@ -680,13 +680,13 @@ il3945_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq) void il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd, struct ieee80211_tx_info *info, - struct ieee80211_hdr *hdr, int sta_id, int tx_id) + struct ieee80211_hdr *hdr, int sta_id) { u16 hw_value = ieee80211_get_tx_rate(il->hw, info)->hw_value; u16 rate_idx = min(hw_value & 0xffff, RATE_COUNT_3945 - 1); u16 rate_mask; int rate; - u8 rts_retry_limit; + const u8 rts_retry_limit = 7; u8 data_retry_limit; __le32 tx_flags; __le16 fc = hdr->frame_control; @@ -705,15 +705,8 @@ il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd, else data_retry_limit = IL_DEFAULT_TX_RETRY; tx_cmd->data_retry_limit = data_retry_limit; - - if (tx_id >= IL39_CMD_QUEUE_NUM) - rts_retry_limit = 3; - else - rts_retry_limit = 7; - - if (data_retry_limit < rts_retry_limit) - rts_retry_limit = data_retry_limit; - tx_cmd->rts_retry_limit = rts_retry_limit; + /* Set retry limit on RTS packets */ + tx_cmd->rts_retry_limit = min(data_retry_limit, rts_retry_limit); tx_cmd->rate = rate; tx_cmd->tx_flags = tx_flags; diff --git a/drivers/net/wireless/iwlegacy/3945.h b/drivers/net/wireless/iwlegacy/3945.h index 970e5c3a410..9f42f79f877 100644 --- a/drivers/net/wireless/iwlegacy/3945.h +++ b/drivers/net/wireless/iwlegacy/3945.h @@ -239,8 +239,7 @@ extern unsigned int il3945_hw_get_beacon_cmd(struct il_priv *il, u8 rate); void il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd, struct ieee80211_tx_info *info, - struct ieee80211_hdr *hdr, int sta_id, - int tx_id); + struct ieee80211_hdr *hdr, int sta_id); extern int il3945_hw_reg_send_txpower(struct il_priv *il); extern int il3945_hw_reg_set_txpower(struct il_priv *il, s8 power); extern void il3945_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb); |