[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>
diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index e35f680..676333b 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -328,21 +328,24 @@
#define DCCP_NDP_LIMIT 0xFFFFFF
/**
- * struct dccp_options - option values for a DCCP connection
- * @dccpo_sequence_window - Sequence Window Feature (section 7.5.2)
- * @dccpo_ccid - Congestion Control Id (CCID) (section 10)
- * @dccpo_send_ack_vector - Send Ack Vector Feature (section 11.5)
- * @dccpo_send_ndp_count - Send NDP Count Feature (7.7.2)
+ * struct dccp_minisock - Minimal DCCP connection representation
+ *
+ * Will be used to pass the state from dccp_request_sock to dccp_sock.
+ *
+ * @dccpms_sequence_window - Sequence Window Feature (section 7.5.2)
+ * @dccpms_ccid - Congestion Control Id (CCID) (section 10)
+ * @dccpms_send_ack_vector - Send Ack Vector Feature (section 11.5)
+ * @dccpms_send_ndp_count - Send NDP Count Feature (7.7.2)
*/
-struct dccp_options {
- __u64 dccpo_sequence_window;
- __u8 dccpo_rx_ccid;
- __u8 dccpo_tx_ccid;
- __u8 dccpo_send_ack_vector;
- __u8 dccpo_send_ndp_count;
- __u8 dccpo_ack_ratio;
- struct list_head dccpo_pending;
- struct list_head dccpo_conf;
+struct dccp_minisock {
+ __u64 dccpms_sequence_window;
+ __u8 dccpms_rx_ccid;
+ __u8 dccpms_tx_ccid;
+ __u8 dccpms_send_ack_vector;
+ __u8 dccpms_send_ndp_count;
+ __u8 dccpms_ack_ratio;
+ struct list_head dccpms_pending;
+ struct list_head dccpms_conf;
};
struct dccp_opt_conf {
@@ -360,8 +363,9 @@
struct dccp_opt_conf *dccpop_sc;
};
-extern void __dccp_options_init(struct dccp_options *dccpo);
-extern void dccp_options_init(struct dccp_options *dccpo);
+extern void __dccp_minisock_init(struct dccp_minisock *dmsk);
+extern void dccp_minisock_init(struct dccp_minisock *dmsk);
+
extern int dccp_parse_options(struct sock *sk, struct sk_buff *skb);
struct dccp_request_sock {
@@ -457,7 +461,7 @@
__u16 dccps_r_ack_ratio;
unsigned long dccps_ndp_count;
__u32 dccps_mss_cache;
- struct dccp_options dccps_options;
+ struct dccp_minisock dccps_minisock;
struct dccp_ackvec *dccps_hc_rx_ackvec;
struct ccid *dccps_hc_rx_ccid;
struct ccid *dccps_hc_tx_ccid;
@@ -473,6 +477,11 @@
return (struct dccp_sock *)sk;
}
+static inline struct dccp_minisock *dccp_msk(const struct sock *sk)
+{
+ return (struct dccp_minisock *)&dccp_sk(sk)->dccps_minisock;
+}
+
static inline int dccp_service_not_initialized(const struct sock *sk)
{
return dccp_sk(sk)->dccps_service == DCCP_SERVICE_INVALID_VALUE;