]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - net/dccp/minisocks.c
sched: fine-tune SD_SIBLING_INIT
[linux-2.6-omap-h63xx.git] / net / dccp / minisocks.c
index 0ebf8ebcf3de6c834ec24864dc110cfbe9343cd2..e6bf99e3e41a169aec04880e52d60adb41dc8b62 100644 (file)
@@ -45,6 +45,11 @@ EXPORT_SYMBOL_GPL(dccp_death_row);
 void dccp_minisock_init(struct dccp_minisock *dmsk)
 {
        dmsk->dccpms_sequence_window = sysctl_dccp_feat_sequence_window;
+       dmsk->dccpms_rx_ccid         = sysctl_dccp_feat_rx_ccid;
+       dmsk->dccpms_tx_ccid         = sysctl_dccp_feat_tx_ccid;
+       dmsk->dccpms_ack_ratio       = sysctl_dccp_feat_ack_ratio;
+       dmsk->dccpms_send_ack_vector = sysctl_dccp_feat_send_ack_vector;
+       dmsk->dccpms_send_ndp_count  = sysctl_dccp_feat_send_ndp_count;
 }
 
 void dccp_time_wait(struct sock *sk, int state, int timeo)
@@ -107,7 +112,7 @@ struct sock *dccp_create_openreq_child(struct sock *sk,
        struct sock *newsk = inet_csk_clone(sk, req, GFP_ATOMIC);
 
        if (newsk != NULL) {
-               struct dccp_request_sock *dreq = dccp_rsk(req);
+               const struct dccp_request_sock *dreq = dccp_rsk(req);
                struct inet_connection_sock *newicsk = inet_csk(newsk);
                struct dccp_sock *newdp = dccp_sk(newsk);
                struct dccp_minisock *newdmsk = dccp_msk(newsk);
@@ -120,7 +125,35 @@ struct sock *dccp_create_openreq_child(struct sock *sk,
                newdp->dccps_timestamp_time = dreq->dreq_timestamp_time;
                newicsk->icsk_rto           = DCCP_TIMEOUT_INIT;
 
-               INIT_LIST_HEAD(&newdp->dccps_featneg);
+               if (dccp_feat_clone(sk, newsk))
+                       goto out_free;
+
+               if (newdmsk->dccpms_send_ack_vector) {
+                       newdp->dccps_hc_rx_ackvec =
+                                               dccp_ackvec_alloc(GFP_ATOMIC);
+                       if (unlikely(newdp->dccps_hc_rx_ackvec == NULL))
+                               goto out_free;
+               }
+
+               newdp->dccps_hc_rx_ccid =
+                           ccid_hc_rx_new(newdmsk->dccpms_rx_ccid,
+                                          newsk, GFP_ATOMIC);
+               newdp->dccps_hc_tx_ccid =
+                           ccid_hc_tx_new(newdmsk->dccpms_tx_ccid,
+                                          newsk, GFP_ATOMIC);
+               if (unlikely(newdp->dccps_hc_rx_ccid == NULL ||
+                            newdp->dccps_hc_tx_ccid == NULL)) {
+                       dccp_ackvec_free(newdp->dccps_hc_rx_ackvec);
+                       ccid_hc_rx_delete(newdp->dccps_hc_rx_ccid, newsk);
+                       ccid_hc_tx_delete(newdp->dccps_hc_tx_ccid, newsk);
+out_free:
+                       /* It is still raw copy of parent, so invalidate
+                        * destructor and make plain sk_free() */
+                       newsk->sk_destruct = NULL;
+                       sk_free(newsk);
+                       return NULL;
+               }
+
                /*
                 * Step 3: Process LISTEN state
                 *
@@ -151,17 +184,6 @@ struct sock *dccp_create_openreq_child(struct sock *sk,
                dccp_set_seqno(&newdp->dccps_awl,
                               max48(newdp->dccps_awl, newdp->dccps_iss));
 
-               /*
-                * Activate features after initialising the sequence numbers,
-                * since CCID initialisation may depend on GSS, ISR, ISS etc.
-                */
-               if (dccp_feat_activate_values(newsk, &dreq->dreq_featneg)) {
-                       /* It is still raw copy of parent, so invalidate
-                        * destructor and make plain sk_free() */
-                       newsk->sk_destruct = NULL;
-                       sk_free(newsk);
-                       return NULL;
-               }
                dccp_init_xmit_timers(newsk);
 
                DCCP_INC_STATS_BH(DCCP_MIB_PASSIVEOPENS);
@@ -282,18 +304,15 @@ void dccp_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
 
 EXPORT_SYMBOL_GPL(dccp_reqsk_send_ack);
 
-int dccp_reqsk_init(struct request_sock *req,
-                   struct dccp_sock const *dp, struct sk_buff const *skb)
+void dccp_reqsk_init(struct request_sock *req, struct sk_buff *skb)
 {
        struct dccp_request_sock *dreq = dccp_rsk(req);
 
        inet_rsk(req)->rmt_port   = dccp_hdr(skb)->dccph_sport;
+       inet_rsk(req)->loc_port   = dccp_hdr(skb)->dccph_dport;
        inet_rsk(req)->acked      = 0;
        req->rcv_wnd              = sysctl_dccp_feat_sequence_window;
        dreq->dreq_timestamp_echo = 0;
-
-       /* inherit feature negotiation options from listening socket */
-       return dccp_feat_clone_list(&dp->dccps_featneg, &dreq->dreq_featneg);
 }
 
 EXPORT_SYMBOL_GPL(dccp_reqsk_init);