From aa68cbfb20b417d68dc45c9ef5f3e51546b438b0 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Mon, 18 Feb 2008 14:20:30 +0100 Subject: [PATCH] rtl818x: fix RTS/CTS-less transmit This fixes packet transmission of packets without RTS/CTS. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/rtl8180_dev.c | 14 ++++++++++---- drivers/net/wireless/rtl8187_dev.c | 12 +++++++++--- 2 files changed, 19 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/rtl8180_dev.c b/drivers/net/wireless/rtl8180_dev.c index d0928c91c2..b1b3a47833 100644 --- a/drivers/net/wireless/rtl8180_dev.c +++ b/drivers/net/wireless/rtl8180_dev.c @@ -257,19 +257,25 @@ static int rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb, mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); + BUG_ON(!control->tx_rate); + tx_flags = RTL8180_TX_DESC_FLAG_OWN | RTL8180_TX_DESC_FLAG_FS | RTL8180_TX_DESC_FLAG_LS | - (control->tx_rate->hw_value << 24) | - (control->rts_cts_rate->hw_value << 19) | skb->len; + (control->tx_rate->hw_value << 24) | skb->len; if (priv->r8185) tx_flags |= RTL8180_TX_DESC_FLAG_DMA | RTL8180_TX_DESC_FLAG_NO_ENC; - if (control->flags & IEEE80211_TXCTL_USE_RTS_CTS) + if (control->flags & IEEE80211_TXCTL_USE_RTS_CTS) { + BUG_ON(!control->rts_cts_rate); tx_flags |= RTL8180_TX_DESC_FLAG_RTS; - else if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) + tx_flags |= control->rts_cts_rate->hw_value << 19; + } else if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) { + BUG_ON(!control->rts_cts_rate); tx_flags |= RTL8180_TX_DESC_FLAG_CTS; + tx_flags |= control->rts_cts_rate->hw_value << 19; + } *((struct ieee80211_tx_control **) skb->cb) = kmemdup(control, sizeof(*control), GFP_ATOMIC); diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c index 6ef6799069..c03834d5cb 100644 --- a/drivers/net/wireless/rtl8187_dev.c +++ b/drivers/net/wireless/rtl8187_dev.c @@ -178,17 +178,23 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb, flags = skb->len; flags |= RTL8187_TX_FLAG_NO_ENCRYPT; - flags |= control->rts_cts_rate->hw_value << 19; + + BUG_ON(!control->tx_rate); + flags |= control->tx_rate->hw_value << 24; if (ieee80211_get_morefrag((struct ieee80211_hdr *)skb->data)) flags |= RTL8187_TX_FLAG_MORE_FRAG; if (control->flags & IEEE80211_TXCTL_USE_RTS_CTS) { + BUG_ON(!control->rts_cts_rate); flags |= RTL8187_TX_FLAG_RTS; + flags |= control->rts_cts_rate->hw_value << 19; rts_dur = ieee80211_rts_duration(dev, priv->vif, skb->len, control); - } - if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) + } else if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) { + BUG_ON(!control->rts_cts_rate); flags |= RTL8187_TX_FLAG_CTS; + flags |= control->rts_cts_rate->hw_value << 19; + } hdr = (struct rtl8187_tx_hdr *)skb_push(skb, sizeof(*hdr)); hdr->flags = cpu_to_le32(flags); -- 2.39.5