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authorArnaldo Carvalho de Melo <acme@mandriva.com>2006-03-20 22:50:58 -0800
committerDavid S. Miller <davem@davemloft.net>2006-03-20 22:50:58 -0800
commita4bf3902427a128455b8de299ff0918072b2e974 (patch)
tree5269cd4d84702a0a728b390e08242be01252d20d /net/dccp/feat.c
parente6f507196c2b50243beb09b1bfa4639f999d4d1e (diff)
[DCCP] minisock: Rename struct dccp_options to struct dccp_minisock
This will later be included in struct dccp_request_sock so that we can have per connection feature negotiation state while in the 3way handshake, when we clone the DCCP_ROLE_LISTEN socket (in dccp_create_openreq_child) we'll just copy this state from dreq_minisock to dccps_minisock. Also the feature negotiation and option parsing code will mostly touch dccps_minisock, which will simplify some stuff. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/feat.c')
-rw-r--r--net/dccp/feat.c81
1 files changed, 37 insertions, 44 deletions
diff --git a/net/dccp/feat.c b/net/dccp/feat.c
index ed0851fa3cb3..b09064c4643d 100644
--- a/net/dccp/feat.c
+++ b/net/dccp/feat.c
@@ -22,7 +22,7 @@
int dccp_feat_change(struct sock *sk, u8 type, u8 feature, u8 *val, u8 len,
gfp_t gfp)
{
- struct dccp_sock *dp = dccp_sk(sk);
+ struct dccp_minisock *dmsk = dccp_msk(sk);
struct dccp_opt_pend *opt;
dccp_pr_debug("feat change type=%d feat=%d\n", type, feature);
@@ -30,8 +30,7 @@ int dccp_feat_change(struct sock *sk, u8 type, u8 feature, u8 *val, u8 len,
/* XXX sanity check feat change request */
/* check if that feature is already being negotiated */
- list_for_each_entry(opt, &dp->dccps_options.dccpo_pending,
- dccpop_node) {
+ list_for_each_entry(opt, &dmsk->dccpms_pending, dccpop_node) {
/* ok we found a negotiation for this option already */
if (opt->dccpop_feat == feature && opt->dccpop_type == type) {
dccp_pr_debug("Replacing old\n");
@@ -59,7 +58,7 @@ int dccp_feat_change(struct sock *sk, u8 type, u8 feature, u8 *val, u8 len,
BUG_ON(opt->dccpop_val == NULL);
- list_add_tail(&opt->dccpop_node, &dp->dccps_options.dccpo_pending);
+ list_add_tail(&opt->dccpop_node, &dmsk->dccpms_pending);
return 0;
}
@@ -68,10 +67,10 @@ EXPORT_SYMBOL_GPL(dccp_feat_change);
static int dccp_feat_update_ccid(struct sock *sk, u8 type, u8 new_ccid_nr)
{
struct dccp_sock *dp = dccp_sk(sk);
+ struct dccp_minisock *dmsk = dccp_msk(sk);
/* figure out if we are changing our CCID or the peer's */
const int rx = type == DCCPO_CHANGE_R;
- const u8 ccid_nr = rx ? dp->dccps_options.dccpo_rx_ccid :
- dp->dccps_options.dccpo_tx_ccid;
+ const u8 ccid_nr = rx ? dmsk->dccpms_rx_ccid : dmsk->dccpms_tx_ccid;
struct ccid *new_ccid;
/* Check if nothing is being changed. */
@@ -85,11 +84,11 @@ static int dccp_feat_update_ccid(struct sock *sk, u8 type, u8 new_ccid_nr)
if (rx) {
ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
dp->dccps_hc_rx_ccid = new_ccid;
- dp->dccps_options.dccpo_rx_ccid = new_ccid_nr;
+ dmsk->dccpms_rx_ccid = new_ccid_nr;
} else {
ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
dp->dccps_hc_tx_ccid = new_ccid;
- dp->dccps_options.dccpo_tx_ccid = new_ccid_nr;
+ dmsk->dccpms_tx_ccid = new_ccid_nr;
}
return 0;
@@ -159,9 +158,9 @@ static int dccp_feat_reconcile(struct sock *sk, struct dccp_opt_pend *opt,
case DCCPF_CCID:
/* XXX did i get this right? =P */
if (opt->dccpop_type == DCCPO_CHANGE_L)
- res = &dp->dccps_options.dccpo_tx_ccid;
+ res = &dccp_msk(sk)->dccpms_tx_ccid;
else
- res = &dp->dccps_options.dccpo_rx_ccid;
+ res = &dccp_msk(sk)->dccpms_rx_ccid;
break;
default:
@@ -226,7 +225,7 @@ static int dccp_feat_reconcile(struct sock *sk, struct dccp_opt_pend *opt,
static int dccp_feat_sp(struct sock *sk, u8 type, u8 feature, u8 *val, u8 len)
{
- struct dccp_sock *dp = dccp_sk(sk);
+ struct dccp_minisock *dmsk = dccp_msk(sk);
struct dccp_opt_pend *opt;
int rc = 1;
u8 t;
@@ -242,8 +241,7 @@ static int dccp_feat_sp(struct sock *sk, u8 type, u8 feature, u8 *val, u8 len)
t = DCCPO_CHANGE_L;
/* find our preference list for this feature */
- list_for_each_entry(opt, &dp->dccps_options.dccpo_pending,
- dccpop_node) {
+ list_for_each_entry(opt, &dmsk->dccpms_pending, dccpop_node) {
if (opt->dccpop_type != t || opt->dccpop_feat != feature)
continue;
@@ -265,7 +263,7 @@ static int dccp_feat_sp(struct sock *sk, u8 type, u8 feature, u8 *val, u8 len)
static int dccp_feat_nn(struct sock *sk, u8 type, u8 feature, u8 *val, u8 len)
{
struct dccp_opt_pend *opt;
- struct dccp_sock *dp = dccp_sk(sk);
+ struct dccp_minisock *dmsk = dccp_msk(sk);
u8 *copy;
int rc;
@@ -304,14 +302,14 @@ static int dccp_feat_nn(struct sock *sk, u8 type, u8 feature, u8 *val, u8 len)
}
dccp_pr_debug("Confirming NN feature %d (val=%d)\n", feature, *copy);
- list_add_tail(&opt->dccpop_node, &dp->dccps_options.dccpo_conf);
+ list_add_tail(&opt->dccpop_node, &dmsk->dccpms_conf);
return 0;
}
static void dccp_feat_empty_confirm(struct sock *sk, u8 type, u8 feature)
{
- struct dccp_sock *dp = dccp_sk(sk);
+ struct dccp_minisock *dmsk = dccp_msk(sk);
/* XXX check if other confirms for that are queued and recycle slot */
struct dccp_opt_pend *opt = kzalloc(sizeof(*opt), GFP_ATOMIC);
@@ -330,20 +328,19 @@ static void dccp_feat_empty_confirm(struct sock *sk, u8 type, u8 feature)
/* change feature */
dccp_pr_debug("Empty confirm feature %d type %d\n", feature, type);
- list_add_tail(&opt->dccpop_node, &dp->dccps_options.dccpo_conf);
+ list_add_tail(&opt->dccpop_node, &dmsk->dccpms_conf);
}
static void dccp_feat_flush_confirm(struct sock *sk)
{
- struct dccp_sock *dp = dccp_sk(sk);
+ struct dccp_minisock *dmsk = dccp_msk(sk);
/* Check if there is anything to confirm in the first place */
- int yes = !list_empty(&dp->dccps_options.dccpo_conf);
+ int yes = !list_empty(&dmsk->dccpms_conf);
if (!yes) {
struct dccp_opt_pend *opt;
- list_for_each_entry(opt, &dp->dccps_options.dccpo_pending,
- dccpop_node) {
+ list_for_each_entry(opt, &dmsk->dccpms_pending, dccpop_node) {
if (opt->dccpop_conf) {
yes = 1;
break;
@@ -407,7 +404,7 @@ int dccp_feat_confirm_recv(struct sock *sk, u8 type, u8 feature,
{
u8 t;
struct dccp_opt_pend *opt;
- struct dccp_sock *dp = dccp_sk(sk);
+ struct dccp_minisock *dmsk = dccp_msk(sk);
int rc = 1;
int all_confirmed = 1;
@@ -418,8 +415,7 @@ int dccp_feat_confirm_recv(struct sock *sk, u8 type, u8 feature,
/* locate our change request */
t = type == DCCPO_CONFIRM_L ? DCCPO_CHANGE_R : DCCPO_CHANGE_L;
- list_for_each_entry(opt, &dp->dccps_options.dccpo_pending,
- dccpop_node) {
+ list_for_each_entry(opt, &dmsk->dccpms_pending, dccpop_node) {
if (!opt->dccpop_conf && opt->dccpop_type == t &&
opt->dccpop_feat == feature) {
/* we found it */
@@ -462,10 +458,10 @@ EXPORT_SYMBOL_GPL(dccp_feat_confirm_recv);
void dccp_feat_clean(struct sock *sk)
{
- struct dccp_sock *dp = dccp_sk(sk);
+ struct dccp_minisock *dmsk = dccp_msk(sk);
struct dccp_opt_pend *opt, *next;
- list_for_each_entry_safe(opt, next, &dp->dccps_options.dccpo_pending,
+ list_for_each_entry_safe(opt, next, &dmsk->dccpms_pending,
dccpop_node) {
BUG_ON(opt->dccpop_val == NULL);
kfree(opt->dccpop_val);
@@ -478,16 +474,15 @@ void dccp_feat_clean(struct sock *sk)
kfree(opt);
}
- INIT_LIST_HEAD(&dp->dccps_options.dccpo_pending);
+ INIT_LIST_HEAD(&dmsk->dccpms_pending);
- list_for_each_entry_safe(opt, next, &dp->dccps_options.dccpo_conf,
- dccpop_node) {
+ list_for_each_entry_safe(opt, next, &dmsk->dccpms_conf, dccpop_node) {
BUG_ON(opt == NULL);
if (opt->dccpop_val != NULL)
kfree(opt->dccpop_val);
kfree(opt);
}
- INIT_LIST_HEAD(&dp->dccps_options.dccpo_conf);
+ INIT_LIST_HEAD(&dmsk->dccpms_conf);
}
EXPORT_SYMBOL_GPL(dccp_feat_clean);
@@ -498,16 +493,15 @@ EXPORT_SYMBOL_GPL(dccp_feat_clean);
*/
int dccp_feat_clone(struct sock *oldsk, struct sock *newsk)
{
- struct dccp_sock *olddp = dccp_sk(oldsk);
- struct dccp_sock *newdp = dccp_sk(newsk);
+ struct dccp_minisock *olddmsk = dccp_msk(oldsk);
+ struct dccp_minisock *newdmsk = dccp_msk(newsk);
struct dccp_opt_pend *opt;
int rc = 0;
- INIT_LIST_HEAD(&newdp->dccps_options.dccpo_pending);
- INIT_LIST_HEAD(&newdp->dccps_options.dccpo_conf);
+ INIT_LIST_HEAD(&newdmsk->dccpms_pending);
+ INIT_LIST_HEAD(&newdmsk->dccpms_conf);
- list_for_each_entry(opt, &olddp->dccps_options.dccpo_pending,
- dccpop_node) {
+ list_for_each_entry(opt, &olddmsk->dccpms_pending, dccpop_node) {
struct dccp_opt_pend *newopt;
/* copy the value of the option */
u8 *val = kmalloc(opt->dccpop_len, GFP_ATOMIC);
@@ -525,8 +519,7 @@ int dccp_feat_clone(struct sock *oldsk, struct sock *newsk)
/* insert the option */
memcpy(newopt, opt, sizeof(*newopt));
newopt->dccpop_val = val;
- list_add_tail(&newopt->dccpop_node,
- &newdp->dccps_options.dccpo_pending);
+ list_add_tail(&newopt->dccpop_node, &newdmsk->dccpms_pending);
/* XXX what happens with backlogs and multiple connections at
* once...
@@ -567,27 +560,27 @@ static int __dccp_feat_init(struct sock *sk, u8 type, u8 feat, u8 *val, u8 len)
int dccp_feat_init(struct sock *sk)
{
- struct dccp_sock *dp = dccp_sk(sk);
+ struct dccp_minisock *dmsk = dccp_msk(sk);
int rc;
- INIT_LIST_HEAD(&dp->dccps_options.dccpo_pending);
- INIT_LIST_HEAD(&dp->dccps_options.dccpo_conf);
+ INIT_LIST_HEAD(&dmsk->dccpms_pending);
+ INIT_LIST_HEAD(&dmsk->dccpms_conf);
/* CCID L */
rc = __dccp_feat_init(sk, DCCPO_CHANGE_L, DCCPF_CCID,
- &dp->dccps_options.dccpo_tx_ccid, 1);
+ &dmsk->dccpms_tx_ccid, 1);
if (rc)
goto out;
/* CCID R */
rc = __dccp_feat_init(sk, DCCPO_CHANGE_R, DCCPF_CCID,
- &dp->dccps_options.dccpo_rx_ccid, 1);
+ &dmsk->dccpms_rx_ccid, 1);
if (rc)
goto out;
/* Ack ratio */
rc = __dccp_feat_init(sk, DCCPO_CHANGE_L, DCCPF_ACK_RATIO,
- &dp->dccps_options.dccpo_ack_ratio, 1);
+ &dmsk->dccpms_ack_ratio, 1);
out:
return rc;
}

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