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[DCCP] ackvec: Ditch dccpav_buf_len

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Simplifying the code a bit as we're always using DCCP_MAX_ACKVEC_LEN.

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
2006-03-20 17:15:42 -08:00
committed by David S. Miller
parent 0af5f6c1eb
commit 7400d78110
4 changed files with 15 additions and 25 deletions
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net/dccp/ackvec.c
+10 -14
View File
@@ -20,6 +20,10 @@
int dccp_insert_option_ackvec(struct sock *sk, struct sk_buff *skb)
{
struct dccp_sock *dp = dccp_sk(sk);
#ifdef CONFIG_IP_DCCP_DEBUG
const char *debug_prefix = dp->dccps_role == DCCP_ROLE_CLIENT ?
"CLIENT tx: " : "server tx: ";
#endif
struct dccp_ackvec *av = dp->dccps_hc_rx_ackvec;
int len = av->dccpav_vec_len + 2;
struct timeval now;
@@ -90,21 +94,13 @@ int dccp_insert_option_ackvec(struct sock *sk, struct sk_buff *skb)
return -1;
}
struct dccp_ackvec *dccp_ackvec_alloc(const unsigned int len,
const gfp_t priority)
struct dccp_ackvec *dccp_ackvec_alloc(const gfp_t priority)
{
struct dccp_ackvec *av;
struct dccp_ackvec *av = kmalloc(sizeof(*av), priority);
BUG_ON(len == 0);
if (len > DCCP_MAX_ACKVEC_LEN)
return NULL;
av = kmalloc(sizeof(*av) + len, priority);
if (av != NULL) {
av->dccpav_buf_len = len;
av->dccpav_buf_head =
av->dccpav_buf_tail = av->dccpav_buf_len - 1;
av->dccpav_buf_tail = DCCP_MAX_ACKVEC_LEN - 1;
av->dccpav_buf_ackno =
av->dccpav_ack_ackno = av->dccpav_ack_seqno = ~0LLU;
av->dccpav_buf_nonce = av->dccpav_buf_nonce = 0;
@@ -146,7 +142,7 @@ static inline int dccp_ackvec_set_buf_head_state(struct dccp_ackvec *av,
unsigned int gap;
long new_head;
if (av->dccpav_vec_len + packets > av->dccpav_buf_len)
if (av->dccpav_vec_len + packets > DCCP_MAX_ACKVEC_LEN)
return -ENOBUFS;
gap = packets - 1;
@@ -158,7 +154,7 @@ static inline int dccp_ackvec_set_buf_head_state(struct dccp_ackvec *av,
gap + new_head + 1);
gap = -new_head;
}
new_head += av->dccpav_buf_len;
new_head += DCCP_MAX_ACKVEC_LEN;
}
av->dccpav_buf_head = new_head;
@@ -251,7 +247,7 @@ int dccp_ackvec_add(struct dccp_ackvec *av, const struct sock *sk,
goto out_duplicate;
delta -= len + 1;
if (++index == av->dccpav_buf_len)
if (++index == DCCP_MAX_ACKVEC_LEN)
index = 0;
}
}