From c173437669967301facff151bfeb7bae67354e4c Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Sat, 13 Aug 2005 20:34:23 -0300 Subject: [PACKET_HISTORY]: Add dccphtx_rtt and rename the win_count fields As requested by Ian. Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Ian McDonald Signed-off-by: David S. Miller --- net/dccp/ccids/ccid3.c | 22 +++++++++++----------- net/dccp/packet_history.h | 13 +++++++------ 2 files changed, 18 insertions(+), 17 deletions(-) (limited to 'net/dccp') diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index 80f12c990c00..edf9740d8d82 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -1004,7 +1004,7 @@ static int ccid3_hc_tx_send_packet(struct sock *sk, /* Can we send? if so add options and add to packet history */ if (rc == 0) - new_packet->dccphtx_win_count = + new_packet->dccphtx_ccval = DCCP_SKB_CB(skb)->dccpd_ccval = hctx->ccid3hctx_last_win_count; out: @@ -1060,7 +1060,7 @@ static void ccid3_hc_tx_packet_sent(struct sock *sk, int more, int len) min_t(unsigned long, quarter_rtt, 5)) % 16; ccid3_pr_debug("%s, sk=%p, window changed from %u to %u!\n", dccp_role(sk), sk, - packet->dccphtx_win_count, + packet->dccphtx_ccval, hctx->ccid3hctx_last_win_count); } /* COMPLIANCE_END */ @@ -1068,9 +1068,10 @@ static void ccid3_hc_tx_packet_sent(struct sock *sk, int more, int len) ccid3_pr_debug("%s, sk=%p, packet sent (%llu,%u)\n", dccp_role(sk), sk, packet->dccphtx_seqno, - packet->dccphtx_win_count); + packet->dccphtx_ccval); #endif hctx->ccid3hctx_idle = 0; + packet->dccphtx_rtt = hctx->ccid3hctx_rtt; packet->dccphtx_sent = 1; } else ccid3_pr_debug("%s, sk=%p, seqno=%llu NOT inserted!\n", @@ -1489,11 +1490,10 @@ trim_history: step = 2; /* OK, find next data packet */ num_later = 1; - win_count = entry->dccphrx_win_count; + win_count = entry->dccphrx_ccval; break; case 2: - tmp = (win_count - - entry->dccphrx_win_count); + tmp = win_count - entry->dccphrx_ccval; if (tmp < 0) tmp += TFRC_WIN_COUNT_LIMIT; if (tmp > TFRC_WIN_COUNT_PER_RTT + 1) { @@ -1553,7 +1553,7 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk) } do_gettimeofday(&(hcrx->ccid3hcrx_tstamp_last_feedback)); - hcrx->ccid3hcrx_last_counter = packet->dccphrx_win_count; + hcrx->ccid3hcrx_last_counter = packet->dccphrx_ccval; hcrx->ccid3hcrx_seqno_last_counter = packet->dccphrx_seqno; hcrx->ccid3hcrx_bytes_recv = 0; @@ -1645,11 +1645,11 @@ static u32 ccid3_hc_rx_calc_first_li(struct sock *sk) switch (step) { case 0: tstamp = entry->dccphrx_tstamp; - win_count = entry->dccphrx_win_count; + win_count = entry->dccphrx_ccval; step = 1; break; case 1: - interval = win_count - entry->dccphrx_win_count; + interval = win_count - entry->dccphrx_ccval; if (interval < 0) interval += TFRC_WIN_COUNT_LIMIT; if (interval > 4) @@ -1816,7 +1816,7 @@ static void ccid3_hc_rx_detect_loss(struct sock *sk) } if (seq_loss != DCCP_MAX_SEQNO + 1) - win_loss = a_loss->dccphrx_win_count; + win_loss = a_loss->dccphrx_ccval; out_update_li: ccid3_hc_rx_update_li(sk, seq_loss, win_loss); @@ -1918,7 +1918,7 @@ static void ccid3_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb) return; } - win_count = packet->dccphrx_win_count; + win_count = packet->dccphrx_ccval; ins = ccid3_hc_rx_add_hist(sk, packet); diff --git a/net/dccp/packet_history.h b/net/dccp/packet_history.h index 565dc96506e9..0056525a656c 100644 --- a/net/dccp/packet_history.h +++ b/net/dccp/packet_history.h @@ -47,15 +47,16 @@ struct dccp_tx_hist_entry { struct list_head dccphtx_node; u64 dccphtx_seqno:48, - dccphtx_win_count:8, + dccphtx_ccval:4, dccphtx_sent:1; + u32 dccphtx_rtt; struct timeval dccphtx_tstamp; }; struct dccp_rx_hist_entry { struct list_head dccphrx_node; u64 dccphrx_seqno:48, - dccphrx_win_count:4, + dccphrx_ccval:4, dccphrx_type:4; u32 dccphrx_ndp; /* In fact it is from 8 to 24 bits */ struct timeval dccphrx_tstamp; @@ -136,10 +137,10 @@ static inline struct dccp_rx_hist_entry * if (entry != NULL) { const struct dccp_hdr *dh = dccp_hdr(skb); - entry->dccphrx_seqno = DCCP_SKB_CB(skb)->dccpd_seq; - entry->dccphrx_win_count = dh->dccph_ccval; - entry->dccphrx_type = dh->dccph_type; - entry->dccphrx_ndp = ndp; + entry->dccphrx_seqno = DCCP_SKB_CB(skb)->dccpd_seq; + entry->dccphrx_ccval = dh->dccph_ccval; + entry->dccphrx_type = dh->dccph_type; + entry->dccphrx_ndp = ndp; do_gettimeofday(&(entry->dccphrx_tstamp)); } -- cgit v1.2.3