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authorJohannes Berg <johannes@sipsolutions.net>2008-10-21 14:40:02 +0400
committerJohn W. Linville <linville@tuxdriver.com>2008-11-01 02:00:23 +0300
commite6a9854b05c1a6af1308fe2b8c68f35abf28a3ee (patch)
tree241f611f8194586ccabf61bacb060508773b9d05 /drivers/net/wireless/adm8211.c
parentcb121bad67a32cde37adc2729b7e18aa4fd3063e (diff)
downloadlinux-e6a9854b05c1a6af1308fe2b8c68f35abf28a3ee.tar.xz
mac80211/drivers: rewrite the rate control API
So after the previous changes we were still unhappy with how convoluted the API is and decided to make things simpler for everybody. This completely changes the rate control API, now taking into account 802.11n with MCS rates and more control, most drivers don't support that though. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/adm8211.c')
-rw-r--r--drivers/net/wireless/adm8211.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/net/wireless/adm8211.c b/drivers/net/wireless/adm8211.c
index 9a1e0c514c08..b96ebfe4ef3e 100644
--- a/drivers/net/wireless/adm8211.c
+++ b/drivers/net/wireless/adm8211.c
@@ -341,15 +341,14 @@ static void adm8211_interrupt_tci(struct ieee80211_hw *dev)
pci_unmap_single(priv->pdev, info->mapping,
info->skb->len, PCI_DMA_TODEVICE);
- memset(&txi->status, 0, sizeof(txi->status));
+ ieee80211_tx_info_clear_status(txi);
+
skb_pull(skb, sizeof(struct adm8211_tx_hdr));
memcpy(skb_push(skb, info->hdrlen), skb->cb, info->hdrlen);
- if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK)) {
- if (status & TDES0_STATUS_ES)
- txi->status.excessive_retries = 1;
- else
- txi->flags |= IEEE80211_TX_STAT_ACK;
- }
+ if (!(txi->flags & IEEE80211_TX_CTL_NO_ACK) &&
+ !(status & TDES0_STATUS_ES))
+ txi->flags |= IEEE80211_TX_STAT_ACK;
+
ieee80211_tx_status_irqsafe(dev, skb);
info->skb = NULL;
@@ -1691,8 +1690,10 @@ static int adm8211_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
struct ieee80211_hdr *hdr;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_rate *txrate = ieee80211_get_tx_rate(dev, info);
+ u8 rc_flags;
- short_preamble = !!(txrate->flags & IEEE80211_TX_CTL_SHORT_PREAMBLE);
+ rc_flags = info->control.rates[0].flags;
+ short_preamble = !!(rc_flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
plcp_signal = txrate->bitrate;
hdr = (struct ieee80211_hdr *)skb->data;
@@ -1724,10 +1725,10 @@ static int adm8211_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
if (short_preamble)
txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_SHORT_PREAMBLE);
- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
+ if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS)
txhdr->header_control |= cpu_to_le16(ADM8211_TXHDRCTL_ENABLE_RTS);
- txhdr->retry_limit = info->control.retry_limit;
+ txhdr->retry_limit = info->control.rates[0].count;
adm8211_tx_raw(dev, skb, plcp_signal, hdrlen);