ckrm-E13

[linux-2.6.git] / include / linux / tcp.h

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index b651199..960b853 100644 (file)
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -128,6 +128,10 @@ enum {
 #define TCP_INFO               11      /* Information about this connection. */
 #define TCP_QUICKACK           12      /* Block/reenable quick acks */
 
+#ifdef CONFIG_ACCEPT_QUEUES
+#define TCP_ACCEPTQ_SHARE      13      /* Set accept queue share */
+#endif
+
 #define TCPI_OPT_TIMESTAMPS    1
 #define TCPI_OPT_SACK          2
 #define TCPI_OPT_WSCALE                4
@@ -185,6 +189,18 @@ struct tcp_info
        __u32   tcpi_reordering;
 };
 
+#ifdef CONFIG_ACCEPT_QUEUES
+
+#define NUM_ACCEPT_QUEUES      8       /* Must be power of 2 */
+
+struct tcp_acceptq_info {
+       unsigned char acceptq_shares;
+       unsigned long acceptq_wait_time;
+       unsigned int acceptq_qcount;
+       unsigned int acceptq_count;
+};
+#endif
+
 #ifdef __KERNEL__
 
 #include <linux/config.h>
@@ -366,8 +382,9 @@ struct tcp_opt {
 
        /* FIFO of established children */
        struct open_request     *accept_queue;
-       struct open_request     *accept_queue_tail;
-
+#ifndef CONFIG_ACCEPT_QUEUES
+       struct open_request     *accept_queue_tail;
+#endif
        int                     write_pending;  /* A write to socket waits to start. */
 
        unsigned int            keepalive_time;   /* time before keep alive takes place */
@@ -407,6 +424,22 @@ struct tcp_opt {
                __u32   last_max_cwnd;  /* last maximium snd_cwnd */
                __u32   last_cwnd;      /* the last snd_cwnd */
        } bictcp;
+
+#ifdef CONFIG_ACCEPT_QUEUES
+       /* move to listen opt... */
+       char            class_index;
+       struct {
+               struct open_request     *aq_head;
+               struct open_request     *aq_tail;
+               unsigned int             aq_cnt;
+               unsigned int             aq_ratio;
+               unsigned int             aq_count;
+               unsigned int             aq_qcount;
+               unsigned int             aq_backlog;
+               unsigned int             aq_wait_time;
+               int                      aq_valid;
+       } acceptq[NUM_ACCEPT_QUEUES];
+#endif
 };
 
 /* WARNING: don't change the layout of the members in tcp_sock! */