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mac80211: Mesh data frames must have the QoS header

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Per sec 7.1.3.5 of draft 12.0 of 802.11s, mesh frames indicate the
presence of the mesh control header in their QoS header.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Javier Cardona 2011-09-07 17:49:53 -07:00 committed by John W. Linville
parent 4777be4163
commit 2154c81c32
8 changed files with 17 additions and 14 deletions
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2
include/linux/ieee80211.h
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@ -130,6 +130,8 @@
#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
/* A-MSDU 802.11n */
#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
/* Mesh Control 802.11s */
#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
/* U-APSD queue for WMM IEs sent by AP */
#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)

3
net/mac80211/mesh.c
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@ -463,8 +463,7 @@ int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
memcpy(hdr->addr3, meshsa, ETH_ALEN);
return 24;
} else {
*fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS |
IEEE80211_FCTL_TODS);
*fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
/* RA TA DA SA */
memset(hdr->addr1, 0, ETH_ALEN); /* RA is resolved later */
memcpy(hdr->addr2, meshsa, ETH_ALEN);

3
net/mac80211/mesh_hwmp.c
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@ -209,7 +209,6 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
skb_set_mac_header(skb, 0);
@ -221,7 +220,7 @@ static void prepare_frame_for_deferred_tx(struct ieee80211_sub_if_data *sdata,
skb->priority = 7;
info->control.vif = &sdata->vif;
ieee80211_set_qos_hdr(local, skb);
ieee80211_set_qos_hdr(sdata, skb);
}
/**

2
net/mac80211/mesh_pathtbl.c
View File

@ -225,7 +225,7 @@ void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta)
hdr = (struct ieee80211_hdr *) skb->data;
memcpy(hdr->addr1, sta->sta.addr, ETH_ALEN);
skb_set_queue_mapping(skb, ieee80211_select_queue(sdata, skb));
ieee80211_set_qos_hdr(sdata->local, skb);
ieee80211_set_qos_hdr(sdata, skb);
__skb_queue_tail(&tmpq, skb);
}

6
net/mac80211/rx.c
View File

@ -1910,7 +1910,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
fwded_mcast);
skb_set_queue_mapping(fwd_skb,
ieee80211_select_queue(sdata, fwd_skb));
ieee80211_set_qos_hdr(local, fwd_skb);
ieee80211_set_qos_hdr(sdata, fwd_skb);
} else {
int err;
/*
@ -2572,12 +2572,12 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx)
CALL_RXH(ieee80211_rx_h_ps_poll)
CALL_RXH(ieee80211_rx_h_michael_mic_verify)
/* must be after MMIC verify so header is counted in MPDU mic */
CALL_RXH(ieee80211_rx_h_remove_qos_control)
CALL_RXH(ieee80211_rx_h_amsdu)
#ifdef CONFIG_MAC80211_MESH
if (ieee80211_vif_is_mesh(&rx->sdata->vif))
CALL_RXH(ieee80211_rx_h_mesh_fwding);
#endif
CALL_RXH(ieee80211_rx_h_remove_qos_control)
CALL_RXH(ieee80211_rx_h_amsdu)
CALL_RXH(ieee80211_rx_h_data)
CALL_RXH(ieee80211_rx_h_ctrl);
CALL_RXH(ieee80211_rx_h_mgmt_check)

2
net/mac80211/tx.c
View File

@ -1596,7 +1596,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
return;
}
ieee80211_set_qos_hdr(local, skb);
ieee80211_set_qos_hdr(sdata, skb);
ieee80211_tx(sdata, skb, false);
rcu_read_unlock();
}

10
net/mac80211/wme.c
View File

@ -135,7 +135,8 @@ u16 ieee80211_downgrade_queue(struct ieee80211_local *local,
return ieee802_1d_to_ac[skb->priority];
}
void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb)
void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (void *)skb->data;
@ -146,10 +147,11 @@ void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb)
tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
if (unlikely(local->wifi_wme_noack_test))
if (unlikely(sdata->local->wifi_wme_noack_test))
ack_policy |= IEEE80211_QOS_CTL_ACK_POLICY_NOACK;
/* qos header is 2 bytes, second reserved */
/* qos header is 2 bytes */
*p++ = ack_policy | tid;
*p = 0;
*p = ieee80211_vif_is_mesh(&sdata->vif) ?
(IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT >> 8) : 0;
}
}

3
net/mac80211/wme.h
View File

@ -17,7 +17,8 @@ extern const int ieee802_1d_to_ac[8];
u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb);
void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
u16 ieee80211_downgrade_queue(struct ieee80211_local *local,
struct sk_buff *skb);