[CCID-3][CCID-4][TFRC_CCIDS] Share ccid3_hc_rx_insert_options function via 
tfrc_ccids

Signed-off-by: Leandro Melo de Sales <[EMAIL PROTECTED]>

Index: ccid4.latest/net/dccp/ccids/ccid3.c
===================================================================
--- ccid4.latest.orig/net/dccp/ccids/ccid3.c
+++ ccid4.latest/net/dccp/ccids/ccid3.c
@@ -547,29 +547,6 @@ static void ccid3_hc_rx_send_feedback(st
        dccp_send_ack(sk);
 }
 
-static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
-{
-       const struct tfrc_hc_rx_sock *hcrx = tfrc_hc_rx_sk(sk);
-       __be32 x_recv, pinv;
-
-       if (!(sk->sk_state == DCCP_OPEN || sk->sk_state == DCCP_PARTOPEN))
-               return 0;
-
-       if (dccp_packet_without_ack(skb))
-               return 0;
-
-       x_recv = htonl(hcrx->trx_x_recv);
-       pinv   = htonl(hcrx->trx_pinv);
-
-       if (dccp_insert_option(sk, skb, TFRC_OPT_LOSS_EVENT_RATE,
-                              &pinv, sizeof(pinv)) ||
-           dccp_insert_option(sk, skb, TFRC_OPT_RECEIVE_RATE,
-                              &x_recv, sizeof(x_recv)))
-               return -1;
-
-       return 0;
-}
-
 /** ccid3_first_li  -  Implements [RFC 3448, 6.3.1]
  *
  * Determine the length of the first loss interval via inverse lookup.
@@ -765,7 +742,7 @@ static struct ccid_operations ccid3 = {
        .ccid_hc_rx_obj_size       = sizeof(struct tfrc_hc_rx_sock),
        .ccid_hc_rx_init           = ccid3_hc_rx_init,
        .ccid_hc_rx_exit           = ccid3_hc_rx_exit,
-       .ccid_hc_rx_insert_options = ccid3_hc_rx_insert_options,
+       .ccid_hc_rx_insert_options = tfrc_rx_insert_options,
        .ccid_hc_rx_packet_recv    = ccid3_hc_rx_packet_recv,
        .ccid_hc_rx_get_info       = ccid3_hc_rx_get_info,
        .ccid_hc_tx_get_info       = ccid3_hc_tx_get_info,
Index: ccid4.latest/net/dccp/ccids/ccid4.c
===================================================================
--- ccid4.latest.orig/net/dccp/ccids/ccid4.c
+++ ccid4.latest/net/dccp/ccids/ccid4.c
@@ -571,29 +571,6 @@ static void ccid4_hc_rx_send_feedback(st
        dccp_send_ack(sk);
 }
 
-static int ccid4_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
-{
-       const struct tfrc_hc_rx_sock *hcrx = tfrc_hc_rx_sk(sk);
-       __be32 x_recv, pinv;
-
-       if (!(sk->sk_state == DCCP_OPEN || sk->sk_state == DCCP_PARTOPEN))
-               return 0;
-
-       if (dccp_packet_without_ack(skb))
-               return 0;
-
-       x_recv = htonl(hcrx->trx_x_recv);
-       pinv   = htonl(hcrx->trx_pinv);
-
-       if (dccp_insert_option(sk, skb, TFRC_OPT_LOSS_EVENT_RATE,
-                              &pinv, sizeof(pinv)) ||
-           dccp_insert_option(sk, skb, TFRC_OPT_RECEIVE_RATE,
-                              &x_recv, sizeof(x_recv)))
-               return -1;
-
-       return 0;
-}
-
 /** ccid4_first_li  -  Implements [RFC 3448, 6.3.1]
  *
  * Determine the length of the first loss interval via inverse lookup.
@@ -789,7 +766,7 @@ static struct ccid_operations ccid4 = {
        .ccid_hc_rx_obj_size       = sizeof(struct tfrc_hc_rx_sock),
        .ccid_hc_rx_init           = ccid4_hc_rx_init,
        .ccid_hc_rx_exit           = ccid4_hc_rx_exit,
-       .ccid_hc_rx_insert_options = ccid4_hc_rx_insert_options,
+       .ccid_hc_rx_insert_options = tfrc_rx_insert_options,
        .ccid_hc_rx_packet_recv    = ccid4_hc_rx_packet_recv,
        .ccid_hc_rx_get_info       = ccid4_hc_rx_get_info,
        .ccid_hc_tx_get_info       = ccid4_hc_tx_get_info,
Index: ccid4.latest/net/dccp/ccids/lib/tfrc_ccids.c
===================================================================
--- ccid4.latest.orig/net/dccp/ccids/lib/tfrc_ccids.c
+++ ccid4.latest/net/dccp/ccids/lib/tfrc_ccids.c
@@ -130,3 +130,28 @@ int tfrc_tx_parse_options(struct sock *s
 }
 
 EXPORT_SYMBOL_GPL(tfrc_tx_parse_options);
+
+int tfrc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
+{
+       const struct tfrc_hc_rx_sock *hcrx = tfrc_hc_rx_sk(sk);
+       __be32 x_recv, pinv;
+
+       if (!(sk->sk_state == DCCP_OPEN || sk->sk_state == DCCP_PARTOPEN))
+               return 0;
+
+       if (dccp_packet_without_ack(skb))
+               return 0;
+
+       x_recv = htonl(hcrx->trx_x_recv);
+       pinv   = htonl(hcrx->trx_pinv);
+
+       if (dccp_insert_option(sk, skb, TFRC_OPT_LOSS_EVENT_RATE,
+                              &pinv, sizeof(pinv)) ||
+           dccp_insert_option(sk, skb, TFRC_OPT_RECEIVE_RATE,
+                              &x_recv, sizeof(x_recv)))
+               return -1;
+
+       return 0;
+}
+
+EXPORT_SYMBOL_GPL(tfrc_rx_insert_options);
Index: ccid4.latest/net/dccp/ccids/lib/tfrc_ccids.h
===================================================================
--- ccid4.latest.orig/net/dccp/ccids/lib/tfrc_ccids.h
+++ ccid4.latest/net/dccp/ccids/lib/tfrc_ccids.h
@@ -196,3 +196,5 @@ extern void tfrc_hc_tx_update_win_count(
 
 extern int tfrc_tx_parse_options(struct sock *sk, unsigned char option,
                             unsigned char len, u16 idx, unsigned char *value);
+
+extern int tfrc_rx_insert_options(struct sock *sk, struct sk_buff *skb);
-
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