diff options
Diffstat (limited to 'net/dccp/ccids/ccid3.c')
| -rw-r--r-- | net/dccp/ccids/ccid3.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index 206204551f4d..e7db8a4ee642 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -370,11 +370,10 @@ static void ccid3_hc_tx_packet_sent(struct sock *sk, int more, static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb) { struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk); - struct ccid3_options_received *opt_recv = &hctx->options_received; struct tfrc_tx_hist_entry *acked; ktime_t now; unsigned long t_nfb; - u32 pinv, r_sample; + u32 r_sample; /* we are only interested in ACKs */ if (!(DCCP_SKB_CB(skb)->dccpd_type == DCCP_PKT_ACK || @@ -404,17 +403,6 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb) r_sample = dccp_sample_rtt(sk, ktime_us_delta(now, acked->stamp)); hctx->rtt = tfrc_ewma(hctx->rtt, r_sample, 9); - /* Update receive rate in units of 64 * bytes/second */ - hctx->x_recv = opt_recv->ccid3or_receive_rate; - hctx->x_recv <<= 6; - - /* Update loss event rate (which is scaled by 1e6) */ - pinv = opt_recv->ccid3or_loss_event_rate; - if (pinv == 0) - hctx->p = 0; - else - hctx->p = tfrc_invert_loss_event_rate(pinv); - /* * Update allowed sending rate X as per draft rfc3448bis-00, 4.2/3 */ @@ -487,7 +475,6 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, u8 packet_type, u8 option, u8 *optval, u8 optlen) { struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk); - struct ccid3_options_received *opt_recv = &hctx->options_received; __be32 opt_val; switch (option) { @@ -504,11 +491,16 @@ static int ccid3_hc_tx_parse_options(struct sock *sk, u8 packet_type, opt_val = ntohl(get_unaligned((__be32 *)optval)); if (option == TFRC_OPT_RECEIVE_RATE) { - opt_recv->ccid3or_receive_rate = opt_val; + /* Receive Rate is kept in units of 64 bytes/second */ + hctx->x_recv = opt_val; + hctx->x_recv <<= 6; + ccid3_pr_debug("%s(%p), RECEIVE_RATE=%u\n", dccp_role(sk), sk, opt_val); } else { - opt_recv->ccid3or_loss_event_rate = opt_val; + /* Update the fixpoint Loss Event Rate fraction */ + hctx->p = tfrc_invert_loss_event_rate(opt_val); + ccid3_pr_debug("%s(%p), LOSS_EVENT_RATE=%u\n", dccp_role(sk), sk, opt_val); } |