diff options
| author | Patrick Caulfield <patrick@tykepenguin.com> | 2005-09-01 17:43:45 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-09-01 17:43:45 -0700 |
| commit | 12a49ffd842bf5b07c62eaabf178703ce4fe09d7 (patch) | |
| tree | 7b545e72c8bc1d11aef96dba359221f7174d752b /net/decnet/dn_nsp_out.c | |
| parent | eb6f1160ddb2fdadf50f350da79d0796c37f17e2 (diff) | |
| download | lwn-12a49ffd842bf5b07c62eaabf178703ce4fe09d7.tar.gz lwn-12a49ffd842bf5b07c62eaabf178703ce4fe09d7.zip | |
[DECNET]: Tidy send side socket SKB allocation.
Patch from Steve Whitehouse which I've vetted and tested:
"This patch is really intended has a move towards fixing the
sendmsg/recvmsg functions in various ways so that we will finally
have working nagle. Also reduces code duplication."
Signed-off-by: Patrick Caulfield <patrick@tykepenguin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/decnet/dn_nsp_out.c')
| -rw-r--r-- | net/decnet/dn_nsp_out.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/net/decnet/dn_nsp_out.c b/net/decnet/dn_nsp_out.c index e0bebf4bbcad..53633d352868 100644 --- a/net/decnet/dn_nsp_out.c +++ b/net/decnet/dn_nsp_out.c @@ -137,69 +137,6 @@ struct sk_buff *dn_alloc_skb(struct sock *sk, int size, int pri) } /* - * Wrapper for the above, for allocs of data skbs. We try and get the - * whole size thats been asked for (plus 11 bytes of header). If this - * fails, then we try for any size over 16 bytes for SOCK_STREAMS. - */ -struct sk_buff *dn_alloc_send_skb(struct sock *sk, size_t *size, int noblock, long timeo, int *err) -{ - int space; - int len; - struct sk_buff *skb = NULL; - - *err = 0; - - while(skb == NULL) { - if (signal_pending(current)) { - *err = sock_intr_errno(timeo); - break; - } - - if (sk->sk_shutdown & SEND_SHUTDOWN) { - *err = EINVAL; - break; - } - - if (sk->sk_err) - break; - - len = *size + 11; - space = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc); - - if (space < len) { - if ((sk->sk_socket->type == SOCK_STREAM) && - (space >= (16 + 11))) - len = space; - } - - if (space < len) { - set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); - if (noblock) { - *err = EWOULDBLOCK; - break; - } - - clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); - SOCK_SLEEP_PRE(sk) - - if ((sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc)) < - len) - schedule(); - - SOCK_SLEEP_POST(sk) - continue; - } - - if ((skb = dn_alloc_skb(sk, len, sk->sk_allocation)) == NULL) - continue; - - *size = len - 11; - } - - return skb; -} - -/* * Calculate persist timer based upon the smoothed round * trip time and the variance. Backoff according to the * nsp_backoff[] array. |