diff options
author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-11-22 12:06:44 -0600 |
---|---|---|
committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-11-22 12:06:44 -0600 |
commit | 0bd2af46839ad6262d25714a6ec0365db9d6b98f (patch) | |
tree | dcced72d230d69fd0c5816ac6dd03ab84799a93e /net/dccp | |
parent | e138a5d2356729b8752e88520cc1525fae9794ac (diff) | |
parent | f26b90440cd74c78fe10c9bd5160809704a9627c (diff) |
Merge ../scsi-rc-fixes-2.6
Diffstat (limited to 'net/dccp')
-rw-r--r-- | net/dccp/Kconfig | 6 | ||||
-rw-r--r-- | net/dccp/ackvec.c | 12 | ||||
-rw-r--r-- | net/dccp/ackvec.h | 3 | ||||
-rw-r--r-- | net/dccp/ccids/Kconfig | 17 | ||||
-rw-r--r-- | net/dccp/ccids/ccid2.c | 20 | ||||
-rw-r--r-- | net/dccp/ccids/ccid3.c | 3 | ||||
-rw-r--r-- | net/dccp/dccp.h | 2 | ||||
-rw-r--r-- | net/dccp/input.c | 4 | ||||
-rw-r--r-- | net/dccp/ipv4.c | 14 | ||||
-rw-r--r-- | net/dccp/ipv6.c | 22 | ||||
-rw-r--r-- | net/dccp/options.c | 2 |
11 files changed, 56 insertions, 49 deletions
diff --git a/net/dccp/Kconfig b/net/dccp/Kconfig index e2a095d0fd8..ef8919cca74 100644 --- a/net/dccp/Kconfig +++ b/net/dccp/Kconfig @@ -4,15 +4,15 @@ menu "DCCP Configuration (EXPERIMENTAL)" config IP_DCCP tristate "The DCCP Protocol (EXPERIMENTAL)" ---help--- - Datagram Congestion Control Protocol + Datagram Congestion Control Protocol (RFC 4340) - From draft-ietf-dccp-spec-11 <http://www.icir.org/kohler/dcp/draft-ietf-dccp-spec-11.txt>. + From http://www.ietf.org/rfc/rfc4340.txt: The Datagram Congestion Control Protocol (DCCP) is a transport protocol that implements bidirectional, unicast connections of congestion-controlled, unreliable datagrams. It should be suitable for use by applications such as streaming media, Internet telephony, - and on-line games + and on-line games. To compile this protocol support as a module, choose M here: the module will be called dccp. diff --git a/net/dccp/ackvec.c b/net/dccp/ackvec.c index 4d176d33983..f8208874ac7 100644 --- a/net/dccp/ackvec.c +++ b/net/dccp/ackvec.c @@ -113,7 +113,7 @@ int dccp_insert_option_ackvec(struct sock *sk, struct sk_buff *skb) memcpy(to, from, len); /* - * From draft-ietf-dccp-spec-11.txt: + * From RFC 4340, A.2: * * For each acknowledgement it sends, the HC-Receiver will add an * acknowledgement record. ack_seqno will equal the HC-Receiver @@ -224,7 +224,7 @@ static inline int dccp_ackvec_set_buf_head_state(struct dccp_ackvec *av, } /* - * Implements the draft-ietf-dccp-spec-11.txt Appendix A + * Implements the RFC 4340, Appendix A */ int dccp_ackvec_add(struct dccp_ackvec *av, const struct sock *sk, const u64 ackno, const u8 state) @@ -237,7 +237,7 @@ int dccp_ackvec_add(struct dccp_ackvec *av, const struct sock *sk, * We may well decide to do buffer compression, etc, but for now lets * just drop. * - * From Appendix A: + * From Appendix A.1.1 (`New Packets'): * * Of course, the circular buffer may overflow, either when the * HC-Sender is sending data at a very high rate, when the @@ -274,9 +274,9 @@ int dccp_ackvec_add(struct dccp_ackvec *av, const struct sock *sk, /* * A.1.2. Old Packets * - * When a packet with Sequence Number S arrives, and - * S <= buf_ackno, the HC-Receiver will scan the table - * for the byte corresponding to S. (Indexing structures + * When a packet with Sequence Number S <= buf_ackno + * arrives, the HC-Receiver will scan the table for + * the byte corresponding to S. (Indexing structures * could reduce the complexity of this scan.) */ u64 delta = dccp_delta_seqno(ackno, av->dccpav_buf_ackno); diff --git a/net/dccp/ackvec.h b/net/dccp/ackvec.h index 2424effac7f..cf8f20ce23a 100644 --- a/net/dccp/ackvec.h +++ b/net/dccp/ackvec.h @@ -28,8 +28,7 @@ /** struct dccp_ackvec - ack vector * - * This data structure is the one defined in the DCCP draft - * Appendix A. + * This data structure is the one defined in RFC 4340, Appendix A. * * @dccpav_buf_head - circular buffer head * @dccpav_buf_tail - circular buffer tail diff --git a/net/dccp/ccids/Kconfig b/net/dccp/ccids/Kconfig index 32752f75044..8533dabfb9f 100644 --- a/net/dccp/ccids/Kconfig +++ b/net/dccp/ccids/Kconfig @@ -22,11 +22,11 @@ config IP_DCCP_CCID2 for lost packets, would prefer CCID 2 to CCID 3. On-line games may also prefer CCID 2. - CCID 2 is further described in: - http://www.icir.org/kohler/dccp/draft-ietf-dccp-ccid2-10.txt + CCID 2 is further described in RFC 4341, + http://www.ietf.org/rfc/rfc4341.txt - This text was extracted from: - http://www.icir.org/kohler/dccp/draft-ietf-dccp-spec-13.txt + This text was extracted from RFC 4340 (sec. 10.1), + http://www.ietf.org/rfc/rfc4340.txt If in doubt, say M. @@ -53,15 +53,14 @@ config IP_DCCP_CCID3 suitable than CCID 2 for applications such streaming media where a relatively smooth sending rate is of importance. - CCID 3 is further described in: - - http://www.icir.org/kohler/dccp/draft-ietf-dccp-ccid3-11.txt. + CCID 3 is further described in RFC 4342, + http://www.ietf.org/rfc/rfc4342.txt The TFRC congestion control algorithms were initially described in RFC 3448. - This text was extracted from: - http://www.icir.org/kohler/dccp/draft-ietf-dccp-spec-13.txt + This text was extracted from RFC 4340 (sec. 10.2), + http://www.ietf.org/rfc/rfc4340.txt If in doubt, say M. diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c index 2efb505aeb3..162032baeac 100644 --- a/net/dccp/ccids/ccid2.c +++ b/net/dccp/ccids/ccid2.c @@ -23,7 +23,7 @@ */ /* - * This implementation should follow: draft-ietf-dccp-ccid2-10.txt + * This implementation should follow RFC 4341 * * BUGS: * - sequence number wrapping @@ -352,14 +352,14 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, int len) #ifdef CONFIG_IP_DCCP_CCID2_DEBUG ccid2_pr_debug("pipe=%d\n", hctx->ccid2hctx_pipe); - ccid2_pr_debug("Sent: seq=%llu\n", seq); + ccid2_pr_debug("Sent: seq=%llu\n", (unsigned long long)seq); do { struct ccid2_seq *seqp = hctx->ccid2hctx_seqt; while (seqp != hctx->ccid2hctx_seqh) { ccid2_pr_debug("out seq=%llu acked=%d time=%lu\n", - seqp->ccid2s_seq, seqp->ccid2s_acked, - seqp->ccid2s_sent); + (unsigned long long)seqp->ccid2s_seq, + seqp->ccid2s_acked, seqp->ccid2s_sent); seqp = seqp->ccid2s_next; } } while (0); @@ -480,7 +480,8 @@ static inline void ccid2_new_ack(struct sock *sk, /* first measurement */ if (hctx->ccid2hctx_srtt == -1) { ccid2_pr_debug("R: %lu Time=%lu seq=%llu\n", - r, jiffies, seqp->ccid2s_seq); + r, jiffies, + (unsigned long long)seqp->ccid2s_seq); ccid2_change_srtt(hctx, r); hctx->ccid2hctx_rttvar = r >> 1; } else { @@ -636,8 +637,9 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb) u64 ackno_end_rl; dccp_set_seqno(&ackno_end_rl, ackno - rl); - ccid2_pr_debug("ackvec start:%llu end:%llu\n", ackno, - ackno_end_rl); + ccid2_pr_debug("ackvec start:%llu end:%llu\n", + (unsigned long long)ackno, + (unsigned long long)ackno_end_rl); /* if the seqno we are analyzing is larger than the * current ackno, then move towards the tail of our * seqnos. @@ -672,7 +674,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb) seqp->ccid2s_acked = 1; ccid2_pr_debug("Got ack for %llu\n", - seqp->ccid2s_seq); + (unsigned long long)seqp->ccid2s_seq); ccid2_hc_tx_dec_pipe(sk); } if (seqp == hctx->ccid2hctx_seqt) { @@ -718,7 +720,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb) while (1) { if (!seqp->ccid2s_acked) { ccid2_pr_debug("Packet lost: %llu\n", - seqp->ccid2s_seq); + (unsigned long long)seqp->ccid2s_seq); /* XXX need to traverse from tail -> head in * order to detect multiple congestion events in * one ack vector. diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index 67d2dc0e7c6..cec23ad286d 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -379,8 +379,7 @@ static void ccid3_hc_tx_packet_sent(struct sock *sk, int more, int len) packet->dccphtx_seqno = dp->dccps_gss; /* * Check if win_count have changed - * Algorithm in "8.1. Window Counter Valuer" in - * draft-ietf-dccp-ccid3-11.txt + * Algorithm in "8.1. Window Counter Value" in RFC 4342. */ quarter_rtt = timeval_delta(&now, &hctx->ccid3hctx_t_last_win_count); if (likely(hctx->ccid3hctx_rtt > 8)) diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index 0a21be437ed..272e8584564 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -50,7 +50,7 @@ extern void dccp_time_wait(struct sock *sk, int state, int timeo); #define DCCP_TIMEWAIT_LEN (60 * HZ) /* how long to wait to destroy TIME-WAIT * state, about 60 seconds */ -/* draft-ietf-dccp-spec-11.txt initial RTO value */ +/* RFC 1122, 4.2.3.1 initial RTO value */ #define DCCP_TIMEOUT_INIT ((unsigned)(3 * HZ)) /* Maximal interval between probes for local resources. */ diff --git a/net/dccp/input.c b/net/dccp/input.c index 7f9dc6ac58c..1d24881ac0a 100644 --- a/net/dccp/input.c +++ b/net/dccp/input.c @@ -216,11 +216,11 @@ send_sync: dccp_send_sync(sk, DCCP_SKB_CB(skb)->dccpd_seq, DCCP_PKT_SYNCACK); /* - * From the draft: + * From RFC 4340, sec. 5.7 * * As with DCCP-Ack packets, DCCP-Sync and DCCP-SyncAck packets * MAY have non-zero-length application data areas, whose - * contents * receivers MUST ignore. + * contents receivers MUST ignore. */ goto discard; } diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index bf692c1c116..e08e7688a26 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -183,7 +183,7 @@ static inline void dccp_do_pmtu_discovery(struct sock *sk, dccp_sync_mss(sk, mtu); /* - * From: draft-ietf-dccp-spec-11.txt + * From RFC 4340, sec. 14.1: * * DCCP-Sync packets are the best choice for upward * probing, since DCCP-Sync probes do not risk application @@ -311,7 +311,7 @@ static void dccp_v4_err(struct sk_buff *skb, u32 info) } if (sk->sk_state == DCCP_TIME_WAIT) { - inet_twsk_put((struct inet_timewait_sock *)sk); + inet_twsk_put(inet_twsk(sk)); return; } @@ -449,6 +449,8 @@ static inline u64 dccp_v4_init_sequence(const struct sock *sk, dccp_hdr(skb)->dccph_sport); } +static struct request_sock_ops dccp_request_sock_ops; + int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb) { struct inet_request_sock *ireq; @@ -489,7 +491,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb) if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) goto drop; - req = reqsk_alloc(sk->sk_prot->rsk_prot); + req = reqsk_alloc(&dccp_request_sock_ops); if (req == NULL) goto drop; @@ -614,7 +616,7 @@ static struct sock *dccp_v4_hnd_req(struct sock *sk, struct sk_buff *skb) bh_lock_sock(nsk); return nsk; } - inet_twsk_put((struct inet_timewait_sock *)nsk); + inet_twsk_put(inet_twsk(nsk)); return NULL; } @@ -731,7 +733,7 @@ static void dccp_v4_ctl_send_reset(struct sk_buff *rxskb) dccp_hdr_reset(skb)->dccph_reset_code = DCCP_SKB_CB(rxskb)->dccpd_reset_code; - /* See "8.3.1. Abnormal Termination" in draft-ietf-dccp-spec-11 */ + /* See "8.3.1. Abnormal Termination" in RFC 4340 */ seqno = 0; if (DCCP_SKB_CB(rxskb)->dccpd_ack_seq != DCCP_PKT_WITHOUT_ACK_SEQ) dccp_set_seqno(&seqno, DCCP_SKB_CB(rxskb)->dccpd_ack_seq + 1); @@ -980,7 +982,7 @@ discard_and_relse: goto discard_it; do_time_wait: - inet_twsk_put((struct inet_timewait_sock *)sk); + inet_twsk_put(inet_twsk(sk)); goto no_dccp_socket; } diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 7a47399cf31..fc4242c0767 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -277,7 +277,7 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, __u64 seq; sk = inet6_lookup(&dccp_hashinfo, &hdr->daddr, dh->dccph_dport, - &hdr->saddr, dh->dccph_sport, skb->dev->ifindex); + &hdr->saddr, dh->dccph_sport, inet6_iif(skb)); if (sk == NULL) { ICMP6_INC_STATS_BH(__in6_dev_get(skb->dev), ICMP6_MIB_INERRORS); @@ -285,7 +285,7 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, } if (sk->sk_state == DCCP_TIME_WAIT) { - inet_twsk_put((struct inet_timewait_sock *)sk); + inet_twsk_put(inet_twsk(sk)); return; } @@ -550,7 +550,7 @@ static void dccp_v6_ctl_send_reset(struct sk_buff *rxskb) dccp_hdr_reset(skb)->dccph_reset_code = DCCP_SKB_CB(rxskb)->dccpd_reset_code; - /* See "8.3.1. Abnormal Termination" in draft-ietf-dccp-spec-11 */ + /* See "8.3.1. Abnormal Termination" in RFC 4340 */ seqno = 0; if (DCCP_SKB_CB(rxskb)->dccpd_ack_seq != DCCP_PKT_WITHOUT_ACK_SEQ) dccp_set_seqno(&seqno, DCCP_SKB_CB(rxskb)->dccpd_ack_seq + 1); @@ -663,7 +663,7 @@ static struct sock *dccp_v6_hnd_req(struct sock *sk,struct sk_buff *skb) bh_lock_sock(nsk); return nsk; } - inet_twsk_put((struct inet_timewait_sock *)nsk); + inet_twsk_put(inet_twsk(nsk)); return NULL; } @@ -672,7 +672,6 @@ static struct sock *dccp_v6_hnd_req(struct sock *sk,struct sk_buff *skb) static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb) { - struct inet_request_sock *ireq; struct dccp_sock dp; struct request_sock *req; struct dccp_request_sock *dreq; @@ -701,7 +700,7 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb) if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) goto drop; - req = inet6_reqsk_alloc(sk->sk_prot->rsk_prot); + req = inet6_reqsk_alloc(&dccp6_request_sock_ops); if (req == NULL) goto drop; @@ -713,7 +712,6 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb) goto drop_and_free; ireq6 = inet6_rsk(req); - ireq = inet_rsk(req); ipv6_addr_copy(&ireq6->rmt_addr, &skb->nh.ipv6h->saddr); ipv6_addr_copy(&ireq6->loc_addr, &skb->nh.ipv6h->daddr); req->rcv_wnd = dccp_feat_default_sequence_window; @@ -997,6 +995,10 @@ static int dccp_v6_do_rcv(struct sock *sk, struct sk_buff *skb) if (sk->sk_state == DCCP_OPEN) { /* Fast path */ if (dccp_rcv_established(sk, skb, dccp_hdr(skb), skb->len)) goto reset; + if (opt_skb) { + /* This is where we would goto ipv6_pktoptions. */ + __kfree_skb(opt_skb); + } return 0; } @@ -1021,6 +1023,10 @@ static int dccp_v6_do_rcv(struct sock *sk, struct sk_buff *skb) if (dccp_rcv_state_process(sk, skb, dccp_hdr(skb), skb->len)) goto reset; + if (opt_skb) { + /* This is where we would goto ipv6_pktoptions. */ + __kfree_skb(opt_skb); + } return 0; reset: @@ -1109,7 +1115,7 @@ discard_and_relse: goto discard_it; do_time_wait: - inet_twsk_put((struct inet_timewait_sock *)sk); + inet_twsk_put(inet_twsk(sk)); goto no_dccp_socket; } diff --git a/net/dccp/options.c b/net/dccp/options.c index 07a34696ac9..fb0db1f7cd7 100644 --- a/net/dccp/options.c +++ b/net/dccp/options.c @@ -215,7 +215,7 @@ int dccp_parse_options(struct sock *sk, struct sk_buff *skb) elapsed_time); break; /* - * From draft-ietf-dccp-spec-11.txt: + * From RFC 4340, sec. 10.3: * * Option numbers 128 through 191 are for * options sent from the HC-Sender to the |