diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-30 07:45:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-30 07:45:20 -0700 |
| commit | 1beee8dc8cf58e3f605bd7b34d7a39939be7d8d2 (patch) | |
| tree | 85183db61290ef9e8e1c25d7ffb9d8d53acb1766 /net/dccp/ccids/ccid3.c | |
| parent | 9db8ee3d96e98705ba4e9260815ca326b0d07741 (diff) | |
| parent | 3446b9d57edd0b96a89715fef222879e4919a115 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6tip-x86-uv-2008-06-04_18.11_Wedtip-x86-mmio-2008-06-04_18.09_Wedtip-x86-cpu-2008-05-31_08_53_Sattip-core-futex-64bit-2008-06-04_18.00_Wedtip-build-2008-06-04_18.00_Wed
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (26 commits)
llc: Fix double accounting of received packets
netfilter: nf_conntrack_expect: fix error path unwind in nf_conntrack_expect_init()
bluetooth: fix locking bug in the rfcomm socket cleanup handling
mac80211: fix alignment issue with compare_ether_addr()
mac80211: Fix for NULL pointer dereference in sta_info_get()
mac80211: fix a typo in ieee80211_handle_filtered_frame comment
rndis_wlan: add missing range check for power_output modparam
iwlwifi: fix rate scale TLC column selection bug
iwlwifi: fix exit from stay_in_table state
rndis_wlan: Make connections to TKIP PSK networks work
mac80211 : Fixes the status message for iwconfig
rt2x00: Use atomic interface iteration in irq context
rt2x00: Reset antenna RSSI after switch
rt2x00: Don't count retries as failure
rt2x00: Fix memleak in tx() path
mac80211: reorder channel and freq reporting in wext scan report
b43: Fix controller restart crash
mac80211: fix ieee80211_rx_bss_put/get imbalance
net/mac80211: always true conditionals
b43: Upload both beacon templates on initial load
...
Diffstat (limited to 'net/dccp/ccids/ccid3.c')
| -rw-r--r-- | net/dccp/ccids/ccid3.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index cd61dea2eea1..f813077234b7 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -193,22 +193,17 @@ static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hctx, int len) /* * Update Window Counter using the algorithm from [RFC 4342, 8.1]. - * The algorithm is not applicable if RTT < 4 microseconds. + * As elsewhere, RTT > 0 is assumed by using dccp_sample_rtt(). */ static inline void ccid3_hc_tx_update_win_count(struct ccid3_hc_tx_sock *hctx, ktime_t now) { - u32 quarter_rtts; - - if (unlikely(hctx->ccid3hctx_rtt < 4)) /* avoid divide-by-zero */ - return; - - quarter_rtts = ktime_us_delta(now, hctx->ccid3hctx_t_last_win_count); - quarter_rtts /= hctx->ccid3hctx_rtt / 4; + u32 delta = ktime_us_delta(now, hctx->ccid3hctx_t_last_win_count), + quarter_rtts = (4 * delta) / hctx->ccid3hctx_rtt; if (quarter_rtts > 0) { hctx->ccid3hctx_t_last_win_count = now; - hctx->ccid3hctx_last_win_count += min_t(u32, quarter_rtts, 5); + hctx->ccid3hctx_last_win_count += min(quarter_rtts, 5U); hctx->ccid3hctx_last_win_count &= 0xF; /* mod 16 */ } } |