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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 18:55:01 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 18:55:01 +0300
commitd7fc02c7bae7b1cf69269992cf880a43a350cdaa (patch)
treea43d56fa72913a1cc98a0bbebe054d08581b3a7c /net/mac80211/mesh_plink.c
parentee1262dbc65ce0b6234a915d8432171e8d77f518 (diff)
parent28b4d5cc17c20786848cdc07b7ea237a309776bb (diff)
downloadlinux-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1815 commits) mac80211: fix reorder buffer release iwmc3200wifi: Enable wimax core through module parameter iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter iwmc3200wifi: Coex table command does not expect a response iwmc3200wifi: Update wiwi priority table iwlwifi: driver version track kernel version iwlwifi: indicate uCode type when fail dump error/event log iwl3945: remove duplicated event logging code b43: fix two warnings ipw2100: fix rebooting hang with driver loaded cfg80211: indent regulatory messages with spaces iwmc3200wifi: fix NULL pointer dereference in pmkid update mac80211: Fix TX status reporting for injected data frames ath9k: enable 2GHz band only if the device supports it airo: Fix integer overflow warning rt2x00: Fix padding bug on L2PAD devices. WE: Fix set events not propagated b43legacy: avoid PPC fault during resume b43: avoid PPC fault during resume tcp: fix a timewait refcnt race ... Fix up conflicts due to sysctl cleanups (dead sysctl_check code and CTL_UNNUMBERED removed) in kernel/sysctl_check.c net/ipv4/sysctl_net_ipv4.c net/ipv6/addrconf.c net/sctp/sysctl.c
Diffstat (limited to 'net/mac80211/mesh_plink.c')
-rw-r--r--net/mac80211/mesh_plink.c58
1 files changed, 37 insertions, 21 deletions
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index ffcbad75e09b..0f7c6e6a4248 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 open80211s Ltd.
+ * Copyright (c) 2008, 2009 open80211s Ltd.
* Author: Luis Carlos Cobo <luisca@cozybit.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -18,9 +18,8 @@
#define mpl_dbg(fmt, args...) do { (void)(0); } while (0)
#endif
-#define PLINK_GET_FRAME_SUBTYPE(p) (p)
-#define PLINK_GET_LLID(p) (p + 1)
-#define PLINK_GET_PLID(p) (p + 3)
+#define PLINK_GET_LLID(p) (p + 4)
+#define PLINK_GET_PLID(p) (p + 6)
#define mod_plink_timer(s, t) (mod_timer(&s->plink_timer, \
jiffies + HZ * t / 1000))
@@ -65,6 +64,7 @@ void mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata)
{
atomic_inc(&sdata->u.mesh.mshstats.estab_plinks);
mesh_accept_plinks_update(sdata);
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
}
static inline
@@ -72,12 +72,13 @@ void mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata)
{
atomic_dec(&sdata->u.mesh.mshstats.estab_plinks);
mesh_accept_plinks_update(sdata);
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
}
/**
* mesh_plink_fsm_restart - restart a mesh peer link finite state machine
*
- * @sta: mes peer link to restart
+ * @sta: mesh peer link to restart
*
* Locking: this function must be called holding sta->lock
*/
@@ -152,6 +153,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
struct ieee80211_mgmt *mgmt;
bool include_plid = false;
+ static const u8 meshpeeringproto[] = { 0x00, 0x0F, 0xAC, 0x2A };
u8 *pos;
int ie_len;
@@ -169,7 +171,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
memcpy(mgmt->da, da, ETH_ALEN);
memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
/* BSSID is left zeroed, wildcard value */
- mgmt->u.action.category = PLINK_CATEGORY;
+ mgmt->u.action.category = MESH_PLINK_CATEGORY;
mgmt->u.action.u.plink_action.action_code = action;
if (action == PLINK_CLOSE)
@@ -179,7 +181,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
if (action == PLINK_CONFIRM) {
pos = skb_put(skb, 4);
/* two-byte status code followed by two-byte AID */
- memset(pos, 0, 4);
+ memset(pos, 0, 2);
+ memcpy(pos + 2, &plid, 2);
}
mesh_mgmt_ies_add(skb, sdata);
}
@@ -187,18 +190,18 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
/* Add Peer Link Management element */
switch (action) {
case PLINK_OPEN:
- ie_len = 3;
+ ie_len = 6;
break;
case PLINK_CONFIRM:
- ie_len = 5;
+ ie_len = 8;
include_plid = true;
break;
case PLINK_CLOSE:
default:
if (!plid)
- ie_len = 5;
+ ie_len = 8;
else {
- ie_len = 7;
+ ie_len = 10;
include_plid = true;
}
break;
@@ -207,7 +210,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
pos = skb_put(skb, 2 + ie_len);
*pos++ = WLAN_EID_PEER_LINK;
*pos++ = ie_len;
- *pos++ = action;
+ memcpy(pos, meshpeeringproto, sizeof(meshpeeringproto));
+ pos += 4;
memcpy(pos, &llid, 2);
if (include_plid) {
pos += 2;
@@ -218,7 +222,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
memcpy(pos, &reason, 2);
}
- ieee80211_tx_skb(sdata, skb, 1);
+ ieee80211_tx_skb(sdata, skb);
return 0;
}
@@ -395,6 +399,17 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
u8 ie_len;
u8 *baseaddr;
__le16 plid, llid, reason;
+#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
+ static const char *mplstates[] = {
+ [PLINK_LISTEN] = "LISTEN",
+ [PLINK_OPN_SNT] = "OPN-SNT",
+ [PLINK_OPN_RCVD] = "OPN-RCVD",
+ [PLINK_CNF_RCVD] = "CNF_RCVD",
+ [PLINK_ESTAB] = "ESTAB",
+ [PLINK_HOLDING] = "HOLDING",
+ [PLINK_BLOCKED] = "BLOCKED"
+ };
+#endif
/* need action_code, aux */
if (len < IEEE80211_MIN_ACTION_SIZE + 3)
@@ -417,12 +432,13 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
return;
}
- ftype = *((u8 *)PLINK_GET_FRAME_SUBTYPE(elems.peer_link));
+ ftype = mgmt->u.action.u.plink_action.action_code;
ie_len = elems.peer_link_len;
- if ((ftype == PLINK_OPEN && ie_len != 3) ||
- (ftype == PLINK_CONFIRM && ie_len != 5) ||
- (ftype == PLINK_CLOSE && ie_len != 5 && ie_len != 7)) {
- mpl_dbg("Mesh plink: incorrect plink ie length\n");
+ if ((ftype == PLINK_OPEN && ie_len != 6) ||
+ (ftype == PLINK_CONFIRM && ie_len != 8) ||
+ (ftype == PLINK_CLOSE && ie_len != 8 && ie_len != 10)) {
+ mpl_dbg("Mesh plink: incorrect plink ie length %d %d\n",
+ ftype, ie_len);
return;
}
@@ -434,7 +450,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
* from the point of view of this host.
*/
memcpy(&plid, PLINK_GET_LLID(elems.peer_link), 2);
- if (ftype == PLINK_CONFIRM || (ftype == PLINK_CLOSE && ie_len == 7))
+ if (ftype == PLINK_CONFIRM || (ftype == PLINK_CLOSE && ie_len == 10))
memcpy(&llid, PLINK_GET_PLID(elems.peer_link), 2);
rcu_read_lock();
@@ -532,8 +548,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
}
}
- mpl_dbg("Mesh plink (peer, state, llid, plid, event): %pM %d %d %d %d\n",
- mgmt->sa, sta->plink_state,
+ mpl_dbg("Mesh plink (peer, state, llid, plid, event): %pM %s %d %d %d\n",
+ mgmt->sa, mplstates[sta->plink_state],
le16_to_cpu(sta->llid), le16_to_cpu(sta->plid),
event);
reason = 0;