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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 15:54:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 15:54:36 -0700
commit13220a94d35708d5378114e96ffcc88d0a74fe99 (patch)
treebe6530677d5f9536c7211e05ba012923e4c0b307 /drivers/net/wireless/ipw2x00/libipw_wx.c
parent8690d8a9f6c2d5728a9c9f68231f1bb4de109e3a (diff)
parent08abe18af1f78ee80c3c3a5ac47c3e0ae0beadf6 (diff)
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: (1750 commits) ixgbe: Allow Priority Flow Control settings to survive a device reset net: core: remove unneeded include in net/core/utils.c. e1000e: update version number e1000e: fix close interrupt race e1000e: fix loss of multicast packets e1000e: commonize tx cleanup routine to match e1000 & igb netfilter: fix nf_logger name in ebt_ulog. netfilter: fix warning in ebt_ulog init function. netfilter: fix warning about invalid const usage e1000: fix close race with interrupt e1000: cleanup clean_tx_irq routine so that it completely cleans ring e1000: fix tx hang detect logic and address dma mapping issues bridge: bad error handling when adding invalid ether address bonding: select current active slave when enslaving device for mode tlb and alb gianfar: reallocate skb when headroom is not enough for fcb Bump release date to 25Mar2009 and version to 0.22 r6040: Fix second PHY address qeth: fix wait_event_timeout handling qeth: check for completion of a running recovery qeth: unregister MAC addresses during recovery. ... Manually fixed up conflicts in: drivers/infiniband/hw/cxgb3/cxio_hal.h drivers/infiniband/hw/nes/nes_nic.c
Diffstat (limited to 'drivers/net/wireless/ipw2x00/libipw_wx.c')
-rw-r--r--drivers/net/wireless/ipw2x00/libipw_wx.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/net/wireless/ipw2x00/libipw_wx.c b/drivers/net/wireless/ipw2x00/libipw_wx.c
index 31ea3abfc32..3c0812db030 100644
--- a/drivers/net/wireless/ipw2x00/libipw_wx.c
+++ b/drivers/net/wireless/ipw2x00/libipw_wx.c
@@ -35,13 +35,24 @@
#include <linux/jiffies.h>
#include <net/lib80211.h>
-#include <net/ieee80211.h>
#include <linux/wireless.h>
+#include "ieee80211.h"
+
static const char *ieee80211_modes[] = {
"?", "a", "b", "ab", "g", "ag", "bg", "abg"
};
+static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
+{
+ unsigned long end = jiffies;
+
+ if (end >= start)
+ return jiffies_to_msecs(end - start);
+
+ return jiffies_to_msecs(end + (MAX_JIFFY_OFFSET - start) + 1);
+}
+
#define MAX_CUSTOM_LEN 64
static char *ieee80211_translate_scan(struct ieee80211_device *ieee,
char *start, char *stop,
@@ -215,8 +226,8 @@ static char *ieee80211_translate_scan(struct ieee80211_device *ieee,
iwe.cmd = IWEVCUSTOM;
p = custom;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
- " Last beacon: %dms ago",
- jiffies_to_msecs(jiffies - network->last_scanned));
+ " Last beacon: %ums ago",
+ elapsed_jiffies_msecs(network->last_scanned));
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
start = iwe_stream_add_point(info, start, stop, &iwe, custom);
@@ -276,15 +287,15 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
time_after(network->last_scanned + ieee->scan_age, jiffies))
ev = ieee80211_translate_scan(ieee, ev, stop, network,
info);
- else
+ else {
IEEE80211_DEBUG_SCAN("Not showing network '%s ("
- "%pM)' due to age (%dms).\n",
+ "%pM)' due to age (%ums).\n",
print_ssid(ssid, network->ssid,
network->ssid_len),
network->bssid,
- jiffies_to_msecs(jiffies -
- network->
- last_scanned));
+ elapsed_jiffies_msecs(
+ network->last_scanned));
+ }
}
spin_unlock_irqrestore(&ieee->lock, flags);