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Message-ID: <20061212002107.GB3415@tuxdriver.com> Date: Mon, 11 Dec 2006 19:21:12 -0500 From: "John W. Linville" <linville@...driver.com> To: jeff@...zik.org Cc: netdev@...r.kernel.org Subject: Please pull 'upstream' branch of wireless-2.6 The following changes since commit 9202f32558601c2c99ddc438eb3218131d00d413: Ralf Baechle: [MIPS] Export local_flush_data_cache_page for sake of IDE. are found in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6.git upstream Roy Marples: prism54: set carrier flags correctly Ulrich Kunitz: zd1211rw: Call ieee80211_rx in tasklet ieee80211softmac: Fix errors related to the work_struct changes ieee80211softmac: Fix mutex_lock at exit of ieee80211_softmac_get_genie drivers/net/wireless/prism54/isl_ioctl.c | 5 + drivers/net/wireless/prism54/islpci_dev.c | 4 + drivers/net/wireless/zd1211rw/zd_mac.c | 96 ++++++++++++++++++------ drivers/net/wireless/zd1211rw/zd_mac.h | 5 + drivers/net/wireless/zd1211rw/zd_usb.c | 4 + net/ieee80211/softmac/ieee80211softmac_assoc.c | 4 + net/ieee80211/softmac/ieee80211softmac_wx.c | 2 - 7 files changed, 86 insertions(+), 34 deletions(-) diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c index 96606ed..a6ffed1 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.c +++ b/drivers/net/wireless/prism54/isl_ioctl.c @@ -2093,8 +2093,11 @@ link_changed(struct net_device *ndev, u3 } else send_simple_event(netdev_priv(ndev), "Link established"); - } else + netif_carrier_on(ndev); + } else { send_simple_event(netdev_priv(ndev), "Link lost"); + netif_carrier_off(ndev); + } } /* Beacon/ProbeResp payload header */ diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c index f057fd9..9c8c6f2 100644 --- a/drivers/net/wireless/prism54/islpci_dev.c +++ b/drivers/net/wireless/prism54/islpci_dev.c @@ -386,7 +386,9 @@ islpci_open(struct net_device *ndev) } netif_start_queue(ndev); -/* netif_mark_up( ndev ); */ + + /* Turn off carrier unless we know we have associated */ + netif_carrier_off(ndev); return 0; } diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 00ca704..a085241 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -41,6 +41,8 @@ static void housekeeping_disable(struct static void set_multicast_hash_handler(struct work_struct *work); +static void do_rx(unsigned long mac_ptr); + int zd_mac_init(struct zd_mac *mac, struct net_device *netdev, struct usb_interface *intf) @@ -53,6 +55,10 @@ int zd_mac_init(struct zd_mac *mac, INIT_DELAYED_WORK(&mac->set_rts_cts_work, set_rts_cts_work); INIT_DELAYED_WORK(&mac->set_basic_rates_work, set_basic_rates_work); + skb_queue_head_init(&mac->rx_queue); + tasklet_init(&mac->rx_tasklet, do_rx, (unsigned long)mac); + tasklet_disable(&mac->rx_tasklet); + ieee_init(ieee); softmac_init(ieee80211_priv(netdev)); zd_chip_init(&mac->chip, netdev, intf); @@ -140,6 +146,8 @@ out: void zd_mac_clear(struct zd_mac *mac) { flush_workqueue(zd_workqueue); + skb_queue_purge(&mac->rx_queue); + tasklet_kill(&mac->rx_tasklet); zd_chip_clear(&mac->chip); ZD_ASSERT(!spin_is_locked(&mac->lock)); ZD_MEMCLEAR(mac, sizeof(struct zd_mac)); @@ -168,6 +176,8 @@ int zd_mac_open(struct net_device *netde struct zd_chip *chip = &mac->chip; int r; + tasklet_enable(&mac->rx_tasklet); + r = zd_chip_enable_int(chip); if (r < 0) goto out; @@ -218,6 +228,8 @@ int zd_mac_stop(struct net_device *netde */ zd_chip_disable_rx(chip); + skb_queue_purge(&mac->rx_queue); + tasklet_disable(&mac->rx_tasklet); housekeeping_disable(mac); ieee80211softmac_stop(netdev); @@ -470,13 +482,13 @@ static void bssinfo_change(struct net_de if (changes & IEEE80211SOFTMAC_BSSINFOCHG_RATES) { /* Set RTS rate to highest available basic rate */ - u8 rate = ieee80211softmac_highest_supported_rate(softmac, + u8 hi_rate = ieee80211softmac_highest_supported_rate(softmac, &bssinfo->supported_rates, 1); - rate = rate_to_zd_rate(rate); + hi_rate = rate_to_zd_rate(hi_rate); spin_lock_irqsave(&mac->lock, flags); - if (rate != mac->rts_rate) { - mac->rts_rate = rate; + if (hi_rate != mac->rts_rate) { + mac->rts_rate = hi_rate; need_set_rts_cts = 1; } spin_unlock_irqrestore(&mac->lock, flags); @@ -1072,43 +1084,75 @@ static int fill_rx_stats(struct ieee8021 return 0; } -int zd_mac_rx(struct zd_mac *mac, const u8 *buffer, unsigned int length) +static void zd_mac_rx(struct zd_mac *mac, struct sk_buff *skb) { int r; struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac); struct ieee80211_rx_stats stats; const struct rx_status *status; - struct sk_buff *skb; - if (length < ZD_PLCP_HEADER_SIZE + IEEE80211_1ADDR_LEN + - IEEE80211_FCS_LEN + sizeof(struct rx_status)) - return -EINVAL; + if (skb->len < ZD_PLCP_HEADER_SIZE + IEEE80211_1ADDR_LEN + + IEEE80211_FCS_LEN + sizeof(struct rx_status)) + { + dev_dbg_f(zd_mac_dev(mac), "Packet with length %u to small.\n", + skb->len); + goto free_skb; + } - r = fill_rx_stats(&stats, &status, mac, buffer, length); - if (r) - return r; + r = fill_rx_stats(&stats, &status, mac, skb->data, skb->len); + if (r) { + /* Only packets with rx errors are included here. */ + goto free_skb; + } - length -= ZD_PLCP_HEADER_SIZE+IEEE80211_FCS_LEN+ - sizeof(struct rx_status); - buffer += ZD_PLCP_HEADER_SIZE; + __skb_pull(skb, ZD_PLCP_HEADER_SIZE); + __skb_trim(skb, skb->len - + (IEEE80211_FCS_LEN + sizeof(struct rx_status))); - update_qual_rssi(mac, buffer, length, stats.signal, stats.rssi); + update_qual_rssi(mac, skb->data, skb->len, stats.signal, + status->signal_strength); - r = filter_rx(ieee, buffer, length, &stats); - if (r <= 0) - return r; + r = filter_rx(ieee, skb->data, skb->len, &stats); + if (r <= 0) { + if (r < 0) + dev_dbg_f(zd_mac_dev(mac), "Error in packet.\n"); + goto free_skb; + } - skb = dev_alloc_skb(sizeof(struct zd_rt_hdr) + length); - if (!skb) - return -ENOMEM; if (ieee->iw_mode == IW_MODE_MONITOR) - fill_rt_header(skb_put(skb, sizeof(struct zd_rt_hdr)), mac, + fill_rt_header(skb_push(skb, sizeof(struct zd_rt_hdr)), mac, &stats, status); - memcpy(skb_put(skb, length), buffer, length); r = ieee80211_rx(ieee, skb, &stats); - if (!r) - dev_kfree_skb_any(skb); + if (r) + return; +free_skb: + /* We are always in a soft irq. */ + dev_kfree_skb(skb); +} + +static void do_rx(unsigned long mac_ptr) +{ + struct zd_mac *mac = (struct zd_mac *)mac_ptr; + struct sk_buff *skb; + + while ((skb = skb_dequeue(&mac->rx_queue)) != NULL) + zd_mac_rx(mac, skb); +} + +int zd_mac_rx_irq(struct zd_mac *mac, const u8 *buffer, unsigned int length) +{ + struct sk_buff *skb; + + skb = dev_alloc_skb(sizeof(struct zd_rt_hdr) + length); + if (!skb) { + dev_warn(zd_mac_dev(mac), "Could not allocate skb.\n"); + return -ENOMEM; + } + skb_reserve(skb, sizeof(struct zd_rt_hdr)); + memcpy(__skb_put(skb, length), buffer, length); + skb_queue_tail(&mac->rx_queue, skb); + tasklet_schedule(&mac->rx_tasklet); return 0; } diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h index f0cf05d..faf4c78 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ b/drivers/net/wireless/zd1211rw/zd_mac.h @@ -138,6 +138,9 @@ struct zd_mac { struct delayed_work set_rts_cts_work; struct delayed_work set_basic_rates_work; + struct tasklet_struct rx_tasklet; + struct sk_buff_head rx_queue; + unsigned int stats_count; u8 qual_buffer[ZD_MAC_STATS_BUFFER_SIZE]; u8 rssi_buffer[ZD_MAC_STATS_BUFFER_SIZE]; @@ -193,7 +196,7 @@ int zd_mac_stop(struct net_device *netde int zd_mac_set_mac_address(struct net_device *dev, void *p); void zd_mac_set_multicast_list(struct net_device *netdev); -int zd_mac_rx(struct zd_mac *mac, const u8 *buffer, unsigned int length); +int zd_mac_rx_irq(struct zd_mac *mac, const u8 *buffer, unsigned int length); int zd_mac_set_regdomain(struct zd_mac *zd_mac, u8 regdomain); u8 zd_mac_get_regdomain(struct zd_mac *zd_mac); diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index aa782e8..605e96e 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -598,13 +598,13 @@ static void handle_rx_packet(struct zd_u n = l+k; if (n > length) return; - zd_mac_rx(mac, buffer+l, k); + zd_mac_rx_irq(mac, buffer+l, k); if (i >= 2) return; l = (n+3) & ~3; } } else { - zd_mac_rx(mac, buffer, length); + zd_mac_rx_irq(mac, buffer, length); } } diff --git a/net/ieee80211/softmac/ieee80211softmac_assoc.c b/net/ieee80211/softmac/ieee80211softmac_assoc.c index e3f37fd..a824852 100644 --- a/net/ieee80211/softmac/ieee80211softmac_assoc.c +++ b/net/ieee80211/softmac/ieee80211softmac_assoc.c @@ -167,7 +167,7 @@ static void ieee80211softmac_assoc_notify_scan(struct net_device *dev, int event_type, void *context) { struct ieee80211softmac_device *mac = ieee80211_priv(dev); - ieee80211softmac_assoc_work((void*)mac); + ieee80211softmac_assoc_work(&mac->associnfo.work.work); } static void @@ -177,7 +177,7 @@ ieee80211softmac_assoc_notify_auth(struc switch (event_type) { case IEEE80211SOFTMAC_EVENT_AUTHENTICATED: - ieee80211softmac_assoc_work((void*)mac); + ieee80211softmac_assoc_work(&mac->associnfo.work.work); break; case IEEE80211SOFTMAC_EVENT_AUTH_FAILED: case IEEE80211SOFTMAC_EVENT_AUTH_TIMEOUT: diff --git a/net/ieee80211/softmac/ieee80211softmac_wx.c b/net/ieee80211/softmac/ieee80211softmac_wx.c index 480d72c..fa2f7da 100644 --- a/net/ieee80211/softmac/ieee80211softmac_wx.c +++ b/net/ieee80211/softmac/ieee80211softmac_wx.c @@ -463,7 +463,7 @@ ieee80211softmac_wx_get_genie(struct net err = -E2BIG; } spin_unlock_irqrestore(&mac->lock, flags); - mutex_lock(&mac->associnfo.mutex); + mutex_unlock(&mac->associnfo.mutex); return err; } -- John W. Linville linville@...driver.com - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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