From 68d069c45f73e8aeda0249891daec1f7e2f0e067 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Mon, 8 Nov 2010 10:51:07 +0100 Subject: [PATCH] wl1271: add support for HW TX fragmentation Indicate to mac80211 we support HW fragmentation. Support updates of the fragmentation threshold via the set_frag_threshold callback. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/wl12xx/acx.c | 4 ++-- drivers/net/wireless/wl12xx/acx.h | 2 +- drivers/net/wireless/wl12xx/init.c | 2 +- drivers/net/wireless/wl12xx/main.c | 31 +++++++++++++++++++++++++++++- 4 files changed, 34 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/wl12xx/acx.c b/drivers/net/wireless/wl12xx/acx.c index bc1085bb6cfb..7cbaeb6d2a37 100644 --- a/drivers/net/wireless/wl12xx/acx.c +++ b/drivers/net/wireless/wl12xx/acx.c @@ -862,7 +862,7 @@ int wl1271_acx_tid_cfg(struct wl1271 *wl, u8 queue_id, u8 channel_type, return ret; } -int wl1271_acx_frag_threshold(struct wl1271 *wl) +int wl1271_acx_frag_threshold(struct wl1271 *wl, u16 frag_threshold) { struct acx_frag_threshold *acx; int ret = 0; @@ -876,7 +876,7 @@ int wl1271_acx_frag_threshold(struct wl1271 *wl) goto out; } - acx->frag_threshold = cpu_to_le16(wl->conf.tx.frag_threshold); + acx->frag_threshold = cpu_to_le16(frag_threshold); ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx)); if (ret < 0) { wl1271_warning("Setting of frag threshold failed: %d", ret); diff --git a/drivers/net/wireless/wl12xx/acx.h b/drivers/net/wireless/wl12xx/acx.h index f41a9c1df12f..75a6306ff554 100644 --- a/drivers/net/wireless/wl12xx/acx.h +++ b/drivers/net/wireless/wl12xx/acx.h @@ -1161,7 +1161,7 @@ int wl1271_acx_ac_cfg(struct wl1271 *wl, u8 ac, u8 cw_min, u16 cw_max, int wl1271_acx_tid_cfg(struct wl1271 *wl, u8 queue_id, u8 channel_type, u8 tsid, u8 ps_scheme, u8 ack_policy, u32 apsd_conf0, u32 apsd_conf1); -int wl1271_acx_frag_threshold(struct wl1271 *wl); +int wl1271_acx_frag_threshold(struct wl1271 *wl, u16 frag_threshold); int wl1271_acx_tx_config_options(struct wl1271 *wl); int wl1271_acx_mem_cfg(struct wl1271 *wl); int wl1271_acx_init_mem_config(struct wl1271 *wl); diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c index 492edc0f7aca..7949d346aadb 100644 --- a/drivers/net/wireless/wl12xx/init.c +++ b/drivers/net/wireless/wl12xx/init.c @@ -290,7 +290,7 @@ int wl1271_hw_init(struct wl1271 *wl) goto out_free_memmap; /* Default fragmentation threshold */ - ret = wl1271_acx_frag_threshold(wl); + ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold); if (ret < 0) goto out_free_memmap; diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index 6af270d382bb..31f0e2f6ffc3 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -425,7 +425,7 @@ static int wl1271_plt_init(struct wl1271 *wl) goto out_free_memmap; /* Default fragmentation threshold */ - ret = wl1271_acx_frag_threshold(wl); + ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold); if (ret < 0) goto out_free_memmap; @@ -1745,6 +1745,34 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw, return ret; } +static int wl1271_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) +{ + struct wl1271 *wl = hw->priv; + int ret = 0; + + mutex_lock(&wl->mutex); + + if (unlikely(wl->state == WL1271_STATE_OFF)) { + ret = -EAGAIN; + goto out; + } + + ret = wl1271_ps_elp_wakeup(wl, false); + if (ret < 0) + goto out; + + ret = wl1271_acx_frag_threshold(wl, (u16)value); + if (ret < 0) + wl1271_warning("wl1271_op_set_frag_threshold failed: %d", ret); + + wl1271_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); + + return ret; +} + static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) { struct wl1271 *wl = hw->priv; @@ -2421,6 +2449,7 @@ static const struct ieee80211_ops wl1271_ops = { .set_key = wl1271_op_set_key, .hw_scan = wl1271_op_hw_scan, .bss_info_changed = wl1271_op_bss_info_changed, + .set_frag_threshold = wl1271_op_set_frag_threshold, .set_rts_threshold = wl1271_op_set_rts_threshold, .conf_tx = wl1271_op_conf_tx, .get_tsf = wl1271_op_get_tsf,