From 065e9605f941b8bc4dbfa1f14ba98eb0da7e3fbe Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Sun, 22 Jun 2008 16:45:27 -0700 Subject: [PATCH] mac80211: tx.c use new frame control helpers Signed-off-by: Harvey Harrison Signed-off-by: John W. Linville --- net/mac80211/tx.c | 54 ++++++++++++++++++++++------------------------- 1 file changed, 25 insertions(+), 29 deletions(-) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 7a14a39ebd78..bf3600a04776 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -52,9 +52,8 @@ static inline void ieee80211_include_sequence(struct ieee80211_sub_if_data *sdat static void ieee80211_dump_frame(const char *ifname, const char *title, const struct sk_buff *skb) { - const struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u16 fc; - int hdrlen; + const struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + unsigned int hdrlen; DECLARE_MAC_BUF(mac); printk(KERN_DEBUG "%s: %s (len=%d)", ifname, title, skb->len); @@ -63,13 +62,12 @@ static void ieee80211_dump_frame(const char *ifname, const char *title, return; } - fc = le16_to_cpu(hdr->frame_control); - hdrlen = ieee80211_get_hdrlen(fc); + hdrlen = ieee80211_hdrlen(hdr->frame_control); if (hdrlen > skb->len) hdrlen = skb->len; if (hdrlen >= 4) printk(" FC=0x%04x DUR=0x%04x", - fc, le16_to_cpu(hdr->duration_id)); + le16_to_cpu(hdr->frame_control), le16_to_cpu(hdr->duration_id)); if (hdrlen >= 10) printk(" A1=%s", print_mac(mac, hdr->addr1)); if (hdrlen >= 16) @@ -281,7 +279,7 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; - if (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control)) >= 24) + if (ieee80211_hdrlen(hdr->frame_control) >= 24) ieee80211_include_sequence(tx->sdata, hdr); return TX_CONTINUE; @@ -542,8 +540,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx) static ieee80211_tx_result ieee80211_tx_h_misc(struct ieee80211_tx_data *tx) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; - u16 fc = le16_to_cpu(hdr->frame_control); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; u16 dur; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); struct ieee80211_supported_band *sband; @@ -595,7 +592,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_data *tx) /* Transmit data frames using short preambles if the driver supports * short preambles at the selected rate and short preambles are * available on the network at the current point in time. */ - if (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) && + if (ieee80211_is_data(hdr->frame_control) && (sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE) && tx->sdata->bss_conf.use_short_preamble && (!tx->sta || test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))) { @@ -647,7 +644,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_data *tx) static ieee80211_tx_result ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; size_t hdrlen, per_fragm, num_fragm, payload_len, left; struct sk_buff **frags, *first, *frag; int i; @@ -670,7 +667,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx) first = tx->skb; - hdrlen = ieee80211_get_hdrlen(tx->fc); + hdrlen = ieee80211_hdrlen(hdr->frame_control); payload_len = first->len - hdrlen; per_fragm = frag_threshold - hdrlen - FCS_LEN; num_fragm = DIV_ROUND_UP(payload_len, per_fragm); @@ -1395,7 +1392,8 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, struct ieee80211_tx_info *info; struct ieee80211_sub_if_data *sdata; int ret = 1, head_need; - u16 ethertype, hdrlen, meshhdrlen = 0, fc; + u16 ethertype, hdrlen, meshhdrlen = 0; + __le16 fc; struct ieee80211_hdr hdr; struct ieee80211s_hdr mesh_hdr; const u8 *encaps_data; @@ -1418,12 +1416,12 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, /* convert Ethernet header to proper 802.11 header (based on * operation mode) */ ethertype = (skb->data[12] << 8) | skb->data[13]; - fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA; + fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); switch (sdata->vif.type) { case IEEE80211_IF_TYPE_AP: case IEEE80211_IF_TYPE_VLAN: - fc |= IEEE80211_FCTL_FROMDS; + fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); /* DA BSSID SA */ memcpy(hdr.addr1, skb->data, ETH_ALEN); memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN); @@ -1431,7 +1429,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, hdrlen = 24; break; case IEEE80211_IF_TYPE_WDS: - fc |= IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS; + fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS); /* RA TA DA SA */ memcpy(hdr.addr1, sdata->u.wds.remote_addr, ETH_ALEN); memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN); @@ -1441,7 +1439,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, break; #ifdef CONFIG_MAC80211_MESH case IEEE80211_IF_TYPE_MESH_POINT: - fc |= IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS; + fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS); /* RA TA DA SA */ if (is_multicast_ether_addr(skb->data)) memcpy(hdr.addr1, skb->data, ETH_ALEN); @@ -1471,7 +1469,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, break; #endif case IEEE80211_IF_TYPE_STA: - fc |= IEEE80211_FCTL_TODS; + fc |= cpu_to_le16(IEEE80211_FCTL_TODS); /* BSSID SA DA */ memcpy(hdr.addr1, sdata->u.sta.bssid, ETH_ALEN); memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN); @@ -1506,7 +1504,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, /* receiver and we are QoS enabled, use a QoS type frame */ if (sta_flags & WLAN_STA_WME && ieee80211_num_regular_queues(&local->hw) >= 4) { - fc |= IEEE80211_STYPE_QOS_DATA; + fc |= cpu_to_le16(IEEE80211_STYPE_QOS_DATA); hdrlen += 2; } @@ -1534,7 +1532,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, goto fail; } - hdr.frame_control = cpu_to_le16(fc); + hdr.frame_control = fc; hdr.duration_id = 0; hdr.seq_ctrl = 0; @@ -1603,7 +1601,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, h_pos += meshhdrlen; } - if (fc & IEEE80211_STYPE_QOS_DATA) { + if (ieee80211_is_data_qos(fc)) { __le16 *qos_control; qos_control = (__le16*) skb_push(skb, 2); @@ -1861,8 +1859,8 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24 + sizeof(mgmt->u.beacon)); memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon)); - mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT, - IEEE80211_STYPE_BEACON); + mgmt->frame_control = + cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); memset(mgmt->da, 0xff, ETH_ALEN); memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN); /* BSSID is left zeroed, wildcard value */ @@ -1930,10 +1928,9 @@ void ieee80211_rts_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_rts *rts) { const struct ieee80211_hdr *hdr = frame; - u16 fctl; - fctl = IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS; - rts->frame_control = cpu_to_le16(fctl); + rts->frame_control = + cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); rts->duration = ieee80211_rts_duration(hw, vif, frame_len, frame_txctl); memcpy(rts->ra, hdr->addr1, sizeof(rts->ra)); @@ -1947,10 +1944,9 @@ void ieee80211_ctstoself_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_cts *cts) { const struct ieee80211_hdr *hdr = frame; - u16 fctl; - fctl = IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS; - cts->frame_control = cpu_to_le16(fctl); + cts->frame_control = + cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); cts->duration = ieee80211_ctstoself_duration(hw, vif, frame_len, frame_txctl); memcpy(cts->ra, hdr->addr1, sizeof(cts->ra)); -- 2.30.2