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[DCCP]: Introduce tx buffering

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This adds transmit buffering to DCCP.

I have tested with CCID2/3 and with loss and rate limiting.

Signed off by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ian McDonald 2006-08-26 19:16:45 -07:00 • committed by David S. Miller
parent 2a0109a707
commit 97e5848dd3
4 changed files with 72 additions and 36 deletions
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2
include/linux/dccp.h
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@ -438,6 +438,7 @@ struct dccp_ackvec;
* @dccps_role - Role of this sock, one of %dccp_role
* @dccps_ndp_count - number of Non Data Packets since last data packet
* @dccps_hc_rx_ackvec - rx half connection ack vector
* @dccps_xmit_timer - timer for when CCID is not ready to send
*/
struct dccp_sock {
/* inet_connection_sock has to be the first member of dccp_sock */
@ -470,6 +471,7 @@ struct dccp_sock {
enum dccp_role dccps_role:2;
__u8 dccps_hc_rx_insert_options:1;
__u8 dccps_hc_tx_insert_options:1;
struct timer_list dccps_xmit_timer;
};
static inline struct dccp_sock *dccp_sk(const struct sock *sk)