From 98b8625301e55bd3e4340f704edc378e4707e577 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Wed, 5 Oct 2011 11:55:55 +0200 Subject: [PATCH] wl12xx: move session_counter into wlvif move session_counter into the per-interface data, rather than being global. Signed-off-by: Eliad Peller Signed-off-by: Luciano Coelho --- drivers/net/wireless/wl12xx/cmd.c | 15 ++++++++------- drivers/net/wireless/wl12xx/debugfs.c | 1 - drivers/net/wireless/wl12xx/main.c | 2 -- drivers/net/wireless/wl12xx/tx.c | 6 +++--- drivers/net/wireless/wl12xx/wl12xx.h | 9 +++++---- 5 files changed, 16 insertions(+), 17 deletions(-) diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c index d0124e63dad1..89d263e7b569 100644 --- a/drivers/net/wireless/wl12xx/cmd.c +++ b/drivers/net/wireless/wl12xx/cmd.c @@ -454,14 +454,15 @@ static void wl12xx_free_link(struct wl1271 *wl, u8 *hlid) *hlid = WL12XX_INVALID_LINK_ID; } -static int wl12xx_get_new_session_id(struct wl1271 *wl) +static int wl12xx_get_new_session_id(struct wl1271 *wl, + struct wl12xx_vif *wlvif) { - if (wl->session_counter >= SESSION_COUNTER_MAX) - wl->session_counter = 0; + if (wlvif->session_counter >= SESSION_COUNTER_MAX) + wlvif->session_counter = 0; - wl->session_counter++; + wlvif->session_counter++; - return wl->session_counter; + return wlvif->session_counter; } int wl12xx_cmd_role_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) @@ -488,7 +489,7 @@ int wl12xx_cmd_role_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) goto out_free; } cmd->device.hlid = wl->dev_hlid; - cmd->device.session = wl->session_counter; + cmd->device.session = wlvif->session_counter; wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", cmd->role_id, cmd->device.hlid, cmd->device.session); @@ -587,7 +588,7 @@ int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) goto out_free; } cmd->sta.hlid = wlvif->sta.hlid; - cmd->sta.session = wl12xx_get_new_session_id(wl); + cmd->sta.session = wl12xx_get_new_session_id(wl, wlvif); cmd->sta.remote_rates = cpu_to_le32(wlvif->rate_set); wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index 3309fea2e90e..d8d856823651 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c @@ -348,7 +348,6 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf, DRIVER_STATE_PRINT_INT(tx_blocks_freed); DRIVER_STATE_PRINT_INT(tx_security_last_seq_lsb); DRIVER_STATE_PRINT_INT(rx_counter); - DRIVER_STATE_PRINT_INT(session_counter); DRIVER_STATE_PRINT_INT(state); DRIVER_STATE_PRINT_INT(channel); DRIVER_STATE_PRINT_INT(band); diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index 731e34bc275a..63871b46c0c1 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -2128,7 +2128,6 @@ deinit: wl->tx_results_count = 0; wl->tx_packets_count = 0; wl->time_offset = 0; - wl->session_counter = 0; wl->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate; wl->bitrate_masks[IEEE80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5; wl->vif = NULL; @@ -4896,7 +4895,6 @@ struct ieee80211_hw *wl1271_alloc_hw(void) wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT; wl->system_hlid = WL12XX_SYSTEM_HLID; wl->dev_hlid = WL12XX_INVALID_LINK_ID; - wl->session_counter = 0; wl->active_sta_count = 0; setup_timer(&wl->rx_streaming_timer, wl1271_rx_streaming_timer, (unsigned long) wl); diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index 53c6451a8fde..da8427f5d7a8 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -321,15 +321,15 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct ieee80211_vif *vif, * FW expects the dummy packet to have an invalid session id - * any session id that is different than the one set in the join */ - tx_attr = ((~wl->session_counter) << + tx_attr = (SESSION_COUNTER_INVALID << TX_HW_ATTR_OFST_SESSION_COUNTER) & TX_HW_ATTR_SESSION_COUNTER; tx_attr |= TX_HW_ATTR_TX_DUMMY_REQ; } else { /* configure the tx attributes */ - tx_attr = - wl->session_counter << TX_HW_ATTR_OFST_SESSION_COUNTER; + tx_attr = wlvif->session_counter << + TX_HW_ATTR_OFST_SESSION_COUNTER; } desc->hlid = hlid; diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index aa84899466a8..9fcaa03cd737 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -429,9 +429,6 @@ struct wl1271 { /* Time-offset between host and chipset clocks */ s64 time_offset; - /* Session counter for the chipset */ - int session_counter; - /* Frames scheduled for transmission, not handled yet */ struct sk_buff_head tx_queue[NUM_TX_QUEUES]; int tx_queue_count[NUM_TX_QUEUES]; @@ -650,6 +647,9 @@ struct wl12xx_vif { /* Our association ID */ u16 aid; + + /* Session counter for the chipset */ + int session_counter; }; static inline struct wl12xx_vif *wl12xx_vif_to_data(struct ieee80211_vif *vif) @@ -671,7 +671,8 @@ size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen); #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */ -#define SESSION_COUNTER_MAX 7 /* maximum value for the session counter */ +#define SESSION_COUNTER_MAX 6 /* maximum value for the session counter */ +#define SESSION_COUNTER_INVALID 7 /* used with dummy_packet */ #define WL1271_DEFAULT_POWER_LEVEL 0 -- 2.30.2