[DCCP]: Integration of dynamic feature activation - part 1 (socket setup)
This first patch out of three replaces the hardcoded default settings with
initialisation code for the dynamic feature negotiation.
Signed-off-by: Gerrit Renker <[EMAIL PROTECTED]>
---
net/dccp/proto.c | 43 ++++---------------------------------------
1 file changed, 4 insertions(+), 39 deletions(-)
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -172,50 +172,15 @@ EXPORT_SYMBOL_GPL(dccp_unhash);
int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
{
struct dccp_sock *dp = dccp_sk(sk);
- struct dccp_minisock *dmsk = dccp_msk(sk);
struct inet_connection_sock *icsk = inet_csk(sk);
dccp_minisock_init(&dp->dccps_minisock);
INIT_LIST_HEAD(&dp->dccps_featneg);
- /*
- * FIXME: We're hardcoding the CCID, and doing this at this point makes
- * the listening (master) sock get CCID control blocks, which is not
- * necessary, but for now, to not mess with the test userspace apps,
- * lets leave it here, later the real solution is to do this in a
- * setsockopt(CCIDs-I-want/accept). -acme
- */
- if (likely(ctl_sock_initialized)) {
- int rc = dccp_feat_init(sk);
-
- if (rc)
- return rc;
-
- if (dmsk->dccpms_send_ack_vector) {
- dp->dccps_hc_rx_ackvec = dccp_ackvec_alloc(GFP_KERNEL);
- if (dp->dccps_hc_rx_ackvec == NULL)
- return -ENOMEM;
- }
- dp->dccps_hc_rx_ccid = ccid_hc_rx_new(dmsk->dccpms_rx_ccid,
- sk, GFP_KERNEL);
- dp->dccps_hc_tx_ccid = ccid_hc_tx_new(dmsk->dccpms_tx_ccid,
- sk, GFP_KERNEL);
- if (unlikely(dp->dccps_hc_rx_ccid == NULL ||
- dp->dccps_hc_tx_ccid == NULL)) {
- ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
- ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
- if (dmsk->dccpms_send_ack_vector) {
- dccp_ackvec_free(dp->dccps_hc_rx_ackvec);
- dp->dccps_hc_rx_ackvec = NULL;
- }
- dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
- return -ENOMEM;
- }
- } else {
- /* control socket doesn't need feat nego */
- INIT_LIST_HEAD(&dmsk->dccpms_pending);
- INIT_LIST_HEAD(&dmsk->dccpms_conf);
- }
+ /* control socket doesn't need feat nego */
+ if (likely(ctl_sock_initialized))
+ if (dccp_feat_init(sk))
+ return -EPROTO;
dccp_init_xmit_timers(sk);
icsk->icsk_rto = DCCP_TIMEOUT_INIT;
-
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