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authorDmitry Torokhov <dtor@insightbb.com>2007-05-01 00:24:54 -0400
committerDmitry Torokhov <dtor@insightbb.com>2007-05-01 00:24:54 -0400
commitbc95f3669f5e6f63cf0b84fe4922c3c6dd4aa775 (patch)
tree427fcf2a7287c16d4b5aa6cbf494d59579a6a8b1 /include/linux/tcp.h
parent3d29cdff999c37b3876082278a8134a0642a02cd (diff)
parentdc87c3985e9b442c60994308a96f887579addc39 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/usb/input/Makefile drivers/usb/input/gtco.c
Diffstat (limited to 'include/linux/tcp.h')
-rw-r--r--include/linux/tcp.h21
1 files changed, 18 insertions, 3 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 29d3089038ab..c6b9f92e8289 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -178,6 +178,21 @@ struct tcp_md5sig {
178#include <net/inet_connection_sock.h> 178#include <net/inet_connection_sock.h>
179#include <net/inet_timewait_sock.h> 179#include <net/inet_timewait_sock.h>
180 180
181static inline struct tcphdr *tcp_hdr(const struct sk_buff *skb)
182{
183 return (struct tcphdr *)skb_transport_header(skb);
184}
185
186static inline unsigned int tcp_hdrlen(const struct sk_buff *skb)
187{
188 return tcp_hdr(skb)->doff * 4;
189}
190
191static inline unsigned int tcp_optlen(const struct sk_buff *skb)
192{
193 return (tcp_hdr(skb)->doff - 5) * 4;
194}
195
181/* This defines a selective acknowledgement block. */ 196/* This defines a selective acknowledgement block. */
182struct tcp_sack_block_wire { 197struct tcp_sack_block_wire {
183 __be32 start_seq; 198 __be32 start_seq;
@@ -242,6 +257,8 @@ struct tcp_sock {
242 * See RFC793 and RFC1122. The RFC writes these in capitals. 257 * See RFC793 and RFC1122. The RFC writes these in capitals.
243 */ 258 */
244 u32 rcv_nxt; /* What we want to receive next */ 259 u32 rcv_nxt; /* What we want to receive next */
260 u32 copied_seq; /* Head of yet unread data */
261 u32 rcv_wup; /* rcv_nxt on last window update sent */
245 u32 snd_nxt; /* Next sequence we send */ 262 u32 snd_nxt; /* Next sequence we send */
246 263
247 u32 snd_una; /* First byte we want an ack for */ 264 u32 snd_una; /* First byte we want an ack for */
@@ -300,17 +317,15 @@ struct tcp_sock {
300 u32 snd_ssthresh; /* Slow start size threshold */ 317 u32 snd_ssthresh; /* Slow start size threshold */
301 u32 snd_cwnd; /* Sending congestion window */ 318 u32 snd_cwnd; /* Sending congestion window */
302 u16 snd_cwnd_cnt; /* Linear increase counter */ 319 u16 snd_cwnd_cnt; /* Linear increase counter */
303 u16 snd_cwnd_clamp; /* Do not allow snd_cwnd to grow above this */ 320 u32 snd_cwnd_clamp; /* Do not allow snd_cwnd to grow above this */
304 u32 snd_cwnd_used; 321 u32 snd_cwnd_used;
305 u32 snd_cwnd_stamp; 322 u32 snd_cwnd_stamp;
306 323
307 struct sk_buff_head out_of_order_queue; /* Out of order segments go here */ 324 struct sk_buff_head out_of_order_queue; /* Out of order segments go here */
308 325
309 u32 rcv_wnd; /* Current receiver window */ 326 u32 rcv_wnd; /* Current receiver window */
310 u32 rcv_wup; /* rcv_nxt on last window update sent */
311 u32 write_seq; /* Tail(+1) of data held in tcp send buffer */ 327 u32 write_seq; /* Tail(+1) of data held in tcp send buffer */
312 u32 pushed_seq; /* Last pushed seq, required to talk to windows */ 328 u32 pushed_seq; /* Last pushed seq, required to talk to windows */
313 u32 copied_seq; /* Head of yet unread data */
314 329
315/* SACKs data */ 330/* SACKs data */
316 struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */ 331 struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */