[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]>
--------------------> Patch v2 <-------------------------
The first version of this patch doest apply properly in the current ccid4
branch. This new version it is ok.
Index: ccid4.latest/net/dccp/ccids/ccid3.c
===================================================================
--- ccid4.latest.orig/net/dccp/ccids/ccid3.c
+++ ccid4.latest/net/dccp/ccids/ccid3.c
@@ -550,29 +550,6 @@ 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.
@@ -766,7 +743,7 @@ 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
@@ -584,29 +584,6 @@ 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.
@@ -800,7 +777,7 @@ 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
@@ -137,3 +137,28 @@ 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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