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authorLinus Torvalds <torvalds@linux-foundation.org>2008-05-30 10:45:20 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-30 10:45:20 -0400
commit1beee8dc8cf58e3f605bd7b34d7a39939be7d8d2 (patch)
tree85183db61290ef9e8e1c25d7ffb9d8d53acb1766 /net/dccp
parent9db8ee3d96e98705ba4e9260815ca326b0d07741 (diff)
parent3446b9d57edd0b96a89715fef222879e4919a115 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* 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')
-rw-r--r--net/dccp/ccids/ccid3.c13
-rw-r--r--net/dccp/ipv4.c4
2 files changed, 6 insertions, 11 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)
193 193
194/* 194/*
195 * Update Window Counter using the algorithm from [RFC 4342, 8.1]. 195 * Update Window Counter using the algorithm from [RFC 4342, 8.1].
196 * The algorithm is not applicable if RTT < 4 microseconds. 196 * As elsewhere, RTT > 0 is assumed by using dccp_sample_rtt().
197 */ 197 */
198static inline void ccid3_hc_tx_update_win_count(struct ccid3_hc_tx_sock *hctx, 198static inline void ccid3_hc_tx_update_win_count(struct ccid3_hc_tx_sock *hctx,
199 ktime_t now) 199 ktime_t now)
200{ 200{
201 u32 quarter_rtts; 201 u32 delta = ktime_us_delta(now, hctx->ccid3hctx_t_last_win_count),
202 202 quarter_rtts = (4 * delta) / hctx->ccid3hctx_rtt;
203 if (unlikely(hctx->ccid3hctx_rtt < 4)) /* avoid divide-by-zero */
204 return;
205
206 quarter_rtts = ktime_us_delta(now, hctx->ccid3hctx_t_last_win_count);
207 quarter_rtts /= hctx->ccid3hctx_rtt / 4;
208 203
209 if (quarter_rtts > 0) { 204 if (quarter_rtts > 0) {
210 hctx->ccid3hctx_t_last_win_count = now; 205 hctx->ccid3hctx_t_last_win_count = now;
211 hctx->ccid3hctx_last_win_count += min_t(u32, quarter_rtts, 5); 206 hctx->ccid3hctx_last_win_count += min(quarter_rtts, 5U);
212 hctx->ccid3hctx_last_win_count &= 0xF; /* mod 16 */ 207 hctx->ccid3hctx_last_win_count &= 0xF; /* mod 16 */
213 } 208 }
214} 209}
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index b348dd70c685..c22a3780c14e 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -739,8 +739,8 @@ int dccp_invalid_packet(struct sk_buff *skb)
739 * If P.type is not Data, Ack, or DataAck and P.X == 0 (the packet 739 * If P.type is not Data, Ack, or DataAck and P.X == 0 (the packet
740 * has short sequence numbers), drop packet and return 740 * has short sequence numbers), drop packet and return
741 */ 741 */
742 if (dh->dccph_type >= DCCP_PKT_DATA && 742 if ((dh->dccph_type < DCCP_PKT_DATA ||
743 dh->dccph_type <= DCCP_PKT_DATAACK && dh->dccph_x == 0) { 743 dh->dccph_type > DCCP_PKT_DATAACK) && dh->dccph_x == 0) {
744 DCCP_WARN("P.type (%s) not Data || [Data]Ack, while P.X == 0\n", 744 DCCP_WARN("P.type (%s) not Data || [Data]Ack, while P.X == 0\n",
745 dccp_packet_name(dh->dccph_type)); 745 dccp_packet_name(dh->dccph_type));
746 return 1; 746 return 1;