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[DCCP] ccid: Deprecate ccid_hc_tx_insert_options

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The function ccid3_hc_tx_insert_options only does a redundant no-op,
 as the operation

  DCCP_SKB_CB(skb)->dccpd_ccval = hctx->ccid3hctx_last_win_count;

 is already performed _unconditionally_ in ccid3_hc_tx_send_packet.

 Since there is further no current need for this function, it is removed
 entirely. Since furthermore, there is actually no present need for the
 entire interface function ccid_hc_tx_insert_options, it was decided to
 remove it also, to clean up the interface.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Gerrit Renker 2006-12-10 00:05:38 -02:00 committed by David S. Miller
parent f6282f4da5
commit 65d6c2b42e
3 changed files with 0 additions and 27 deletions
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10
net/dccp/ccid.h
View File

@ -43,8 +43,6 @@ struct ccid_operations {
unsigned char* value);
int (*ccid_hc_rx_insert_options)(struct sock *sk,
struct sk_buff *skb);
int (*ccid_hc_tx_insert_options)(struct sock *sk,
struct sk_buff *skb);
void (*ccid_hc_tx_packet_recv)(struct sock *sk,
struct sk_buff *skb);
int (*ccid_hc_tx_parse_options)(struct sock *sk,
@ -146,14 +144,6 @@ static inline int ccid_hc_rx_parse_options(struct ccid *ccid, struct sock *sk,
return rc;
}
static inline int ccid_hc_tx_insert_options(struct ccid *ccid, struct sock *sk,
struct sk_buff *skb)
{
if (ccid->ccid_ops->ccid_hc_tx_insert_options != NULL)
return ccid->ccid_ops->ccid_hc_tx_insert_options(sk, skb);
return 0;
}
static inline int ccid_hc_rx_insert_options(struct ccid *ccid, struct sock *sk,
struct sk_buff *skb)
{

12
net/dccp/ccids/ccid3.c
View File

@ -551,17 +551,6 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
}
}
static int ccid3_hc_tx_insert_options(struct sock *sk, struct sk_buff *skb)
{
const struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
BUG_ON(hctx == NULL);
if (sk->sk_state == DCCP_OPEN || sk->sk_state == DCCP_PARTOPEN)
DCCP_SKB_CB(skb)->dccpd_ccval = hctx->ccid3hctx_last_win_count;
return 0;
}
static int ccid3_hc_tx_parse_options(struct sock *sk, unsigned char option,
unsigned char len, u16 idx,
unsigned char *value)
@ -1216,7 +1205,6 @@ static struct ccid_operations ccid3 = {
.ccid_hc_tx_send_packet = ccid3_hc_tx_send_packet,
.ccid_hc_tx_packet_sent = ccid3_hc_tx_packet_sent,
.ccid_hc_tx_packet_recv = ccid3_hc_tx_packet_recv,
.ccid_hc_tx_insert_options = ccid3_hc_tx_insert_options,
.ccid_hc_tx_parse_options = ccid3_hc_tx_parse_options,
.ccid_hc_rx_obj_size = sizeof(struct ccid3_hc_rx_sock),
.ccid_hc_rx_init = ccid3_hc_rx_init,

5
net/dccp/options.c
View File

@ -557,11 +557,6 @@ int dccp_insert_options(struct sock *sk, struct sk_buff *skb)
return -1;
dp->dccps_hc_rx_insert_options = 0;
}
if (dp->dccps_hc_tx_insert_options) {
if (ccid_hc_tx_insert_options(dp->dccps_hc_tx_ccid, sk, skb))
return -1;
dp->dccps_hc_tx_insert_options = 0;
}
/* Feature negotiation */
/* Data packets can't do feat negotiation */