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[DCCP]: Move the ack vector code to net/dccp/ackvec.[ch]

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Isolating it, that will be used when we introduce a CCID2 (TCP-Like)
implementation.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2005-09-18 00:17:51 -07:00
committed by David S. Miller
parent 21f130a237
commit ae31c3399d
10 changed files with 612 additions and 631 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
net/dccp/input.c
View File

@ -16,6 +16,7 @@
#include <net/sock.h>
#include "ackvec.h"
#include "ccid.h"
#include "dccp.h"
@ -60,8 +61,8 @@ static inline void dccp_event_ack_recv(struct sock *sk, struct sk_buff *skb)
struct dccp_sock *dp = dccp_sk(sk);
if (dp->dccps_options.dccpo_send_ack_vector)
dccp_ackpkts_check_rcv_ackno(dp->dccps_hc_rx_ackpkts, sk,
DCCP_SKB_CB(skb)->dccpd_ack_seq);
dccp_ackvec_check_rcv_ackno(dp->dccps_hc_rx_ackvec, sk,
DCCP_SKB_CB(skb)->dccpd_ack_seq);
}
static int dccp_check_seqno(struct sock *sk, struct sk_buff *skb)
@ -164,37 +165,11 @@ int dccp_rcv_established(struct sock *sk, struct sk_buff *skb,
if (DCCP_SKB_CB(skb)->dccpd_ack_seq != DCCP_PKT_WITHOUT_ACK_SEQ)
dccp_event_ack_recv(sk, skb);
/*
* FIXME: check ECN to see if we should use
* DCCP_ACKPKTS_STATE_ECN_MARKED
*/
if (dp->dccps_options.dccpo_send_ack_vector) {
struct dccp_ackpkts *ap = dp->dccps_hc_rx_ackpkts;
if (dccp_ackpkts_add(dp->dccps_hc_rx_ackpkts, sk,
DCCP_SKB_CB(skb)->dccpd_seq,
DCCP_ACKPKTS_STATE_RECEIVED)) {
LIMIT_NETDEBUG(KERN_WARNING "DCCP: acknowledgeable "
"packets buffer full!\n");
ap->dccpap_ack_seqno = DCCP_MAX_SEQNO + 1;
inet_csk_schedule_ack(sk);
inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,
TCP_DELACK_MIN,
DCCP_RTO_MAX);
goto discard;
}
/*
* FIXME: this activation is probably wrong, have to study more
* TCP delack machinery and how it fits into DCCP draft, but
* for now it kinda "works" 8)
*/
if (!inet_csk_ack_scheduled(sk)) {
inet_csk_schedule_ack(sk);
inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK, 5 * HZ,
DCCP_RTO_MAX);
}
}
if (dp->dccps_options.dccpo_send_ack_vector &&
dccp_ackvec_add(dp->dccps_hc_rx_ackvec, sk,
DCCP_SKB_CB(skb)->dccpd_seq,
DCCP_ACKVEC_STATE_RECEIVED))
goto discard;
ccid_hc_rx_packet_recv(dp->dccps_hc_rx_ccid, sk, skb);
ccid_hc_tx_packet_recv(dp->dccps_hc_tx_ccid, sk, skb);
@ -495,29 +470,11 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
ccid_hc_rx_packet_recv(dp->dccps_hc_rx_ccid, sk, skb);
ccid_hc_tx_packet_recv(dp->dccps_hc_tx_ccid, sk, skb);
/*
* FIXME: check ECN to see if we should use
* DCCP_ACKPKTS_STATE_ECN_MARKED
*/
if (dp->dccps_options.dccpo_send_ack_vector) {
if (dccp_ackpkts_add(dp->dccps_hc_rx_ackpkts, sk,
dcb->dccpd_seq,
DCCP_ACKPKTS_STATE_RECEIVED))
goto discard;
/*
* FIXME: this activation is probably wrong, have to
* study more TCP delack machinery and how it fits into
* DCCP draft, but for now it kinda "works" 8)
*/
if ((dp->dccps_hc_rx_ackpkts->dccpap_ack_seqno ==
DCCP_MAX_SEQNO + 1) &&
!inet_csk_ack_scheduled(sk)) {
inet_csk_schedule_ack(sk);
inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,
TCP_DELACK_MIN,
DCCP_RTO_MAX);
}
}
if (dp->dccps_options.dccpo_send_ack_vector &&
dccp_ackvec_add(dp->dccps_hc_rx_ackvec, sk,
DCCP_SKB_CB(skb)->dccpd_seq,
DCCP_ACKVEC_STATE_RECEIVED))
goto discard;
}
/*