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[DCCP]: Tidy up unused structures

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This removes and cleans up unused variables and structures which have become
unnecessary following the introduction of the EWMA patch to automatically track
the CCID 3 receiver/sender packet sizes `s'.

It deprecates the PACKET_SIZE socket option by returning an error code and
printing a deprecation warning if an application tries to read or write this
socket option.

Signed-off-by: Gerrit Renker <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Gerrit Renker 2006-11-28 19:33:36 -02:00 • committed by David S. Miller
commit 5aed324369
3 changed files with 5 additions and 11 deletions
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4
net/dccp/ccids/ccid3.h
View file

@ -42,10 +42,6 @@
#include <linux/tfrc.h>
#include "../ccid.h"
#define TFRC_MIN_PACKET_SIZE 16
#define TFRC_STD_PACKET_SIZE 256
#define TFRC_MAX_PACKET_SIZE 65535
/* Two seconds as per RFC 3448 4.2 */
#define TFRC_INITIAL_TIMEOUT (2 * USEC_PER_SEC)

8
net/dccp/proto.c
View file

@ -470,7 +470,8 @@ static int do_dccp_setsockopt(struct sock *sk, int level, int optname,
lock_sock(sk);
switch (optname) {
case DCCP_SOCKOPT_PACKET_SIZE:
dp->dccps_packet_size = val;
DCCP_WARN("sockopt(PACKET_SIZE) is deprecated: fix your app\n");
err = -EINVAL;
break;
case DCCP_SOCKOPT_CHANGE_L:
if (optlen != sizeof(struct dccp_so_feat))
@ -581,9 +582,8 @@ static int do_dccp_getsockopt(struct sock *sk, int level, int optname,
switch (optname) {
case DCCP_SOCKOPT_PACKET_SIZE:
val = dp->dccps_packet_size;
len = sizeof(dp->dccps_packet_size);
break;
DCCP_WARN("sockopt(PACKET_SIZE) is deprecated: fix your app\n");
return -EINVAL;
case DCCP_SOCKOPT_SERVICE:
return dccp_getsockopt_service(sk, len,
(__be32 __user *)optval, optlen);