diff options
Diffstat (limited to 'net/dccp')
| -rw-r--r-- | net/dccp/ackvec.c | 5 | ||||
| -rw-r--r-- | net/dccp/ccid.c | 2 | ||||
| -rw-r--r-- | net/dccp/ccids/ccid2.c | 5 | ||||
| -rw-r--r-- | net/dccp/ccids/ccid3.c | 6 | ||||
| -rw-r--r-- | net/dccp/ccids/lib/loss_interval.c | 3 | ||||
| -rw-r--r-- | net/dccp/ccids/lib/packet_history.c | 3 | ||||
| -rw-r--r-- | net/dccp/feat.c | 6 | ||||
| -rw-r--r-- | net/dccp/ipv4.c | 2 | ||||
| -rw-r--r-- | net/dccp/ipv6.c | 2 | ||||
| -rw-r--r-- | net/dccp/output.c | 9 | ||||
| -rw-r--r-- | net/dccp/qpolicy.c | 6 | ||||
| -rw-r--r-- | net/dccp/timer.c | 12 |
12 files changed, 50 insertions, 11 deletions
diff --git a/net/dccp/ackvec.c b/net/dccp/ackvec.c index 8f3dd3b1d2d0..c4bbac99740d 100644 --- a/net/dccp/ackvec.c +++ b/net/dccp/ackvec.c @@ -242,6 +242,8 @@ static void dccp_ackvec_add_new(struct dccp_ackvec *av, u32 num_packets, /** * dccp_ackvec_input - Register incoming packet in the buffer + * @av: Ack Vector to register packet to + * @skb: Packet to register */ void dccp_ackvec_input(struct dccp_ackvec *av, struct sk_buff *skb) { @@ -273,6 +275,9 @@ void dccp_ackvec_input(struct dccp_ackvec *av, struct sk_buff *skb) /** * dccp_ackvec_clear_state - Perform house-keeping / garbage-collection + * @av: Ack Vector record to clean + * @ackno: last Ack Vector which has been acknowledged + * * This routine is called when the peer acknowledges the receipt of Ack Vectors * up to and including @ackno. While based on section A.3 of RFC 4340, here * are additional precautions to prevent corrupted buffer state. In particular, diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c index 1e9bb121ba72..6beac5d348e2 100644 --- a/net/dccp/ccid.c +++ b/net/dccp/ccid.c @@ -76,7 +76,7 @@ int ccid_getsockopt_builtin_ccids(struct sock *sk, int len, return err; } -static struct kmem_cache *ccid_kmem_cache_create(int obj_size, char *slab_name_fmt, const char *fmt,...) +static __printf(3, 4) struct kmem_cache *ccid_kmem_cache_create(int obj_size, char *slab_name_fmt, const char *fmt,...) { struct kmem_cache *slab; va_list args; diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c index 3da1f77bd039..4d9823d6dced 100644 --- a/net/dccp/ccids/ccid2.c +++ b/net/dccp/ccids/ccid2.c @@ -181,6 +181,9 @@ MODULE_PARM_DESC(ccid2_do_cwv, "Perform RFC2861 Congestion Window Validation"); /** * ccid2_update_used_window - Track how much of cwnd is actually used + * @hc: socket to update window + * @new_wnd: new window values to add into the filter + * * This is done in addition to CWV. The sender needs to have an idea of how many * packets may be in flight, to set the local Sequence Window value accordingly * (RFC 4340, 7.5.2). The CWV mechanism is exploited to keep track of the @@ -349,6 +352,8 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, unsigned int len) /** * ccid2_rtt_estimator - Sample RTT and compute RTO using RFC2988 algorithm + * @sk: socket to perform estimator on + * * This code is almost identical with TCP's tcp_rtt_estimator(), since * - it has a higher sampling frequency (recommended by RFC 1323), * - the RTO does not collapse into RTT due to RTTVAR going towards zero, diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index b9ee1a4a8955..ca8670f78ac6 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -79,6 +79,8 @@ static inline u64 rfc3390_initial_rate(struct sock *sk) /** * ccid3_update_send_interval - Calculate new t_ipi = s / X_inst + * @hc: socket to have the send interval updated + * * This respects the granularity of X_inst (64 * bytes/second). */ static void ccid3_update_send_interval(struct ccid3_hc_tx_sock *hc) @@ -99,6 +101,7 @@ static u32 ccid3_hc_tx_idle_rtt(struct ccid3_hc_tx_sock *hc, ktime_t now) /** * ccid3_hc_tx_update_x - Update allowed sending rate X + * @sk: socket to be updated * @stamp: most recent time if available - can be left NULL. * * This function tracks draft rfc3448bis, check there for latest details. @@ -151,6 +154,7 @@ static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp) /** * ccid3_hc_tx_update_s - Track the mean packet size `s' + * @hc: socket to be updated * @len: DCCP packet payload size in bytes * * cf. RFC 4342, 5.3 and RFC 3448, 4.1 @@ -259,6 +263,7 @@ out: /** * ccid3_hc_tx_send_packet - Delay-based dequeueing of TX packets + * @sk: socket to send packet from * @skb: next packet candidate to send on @sk * * This function uses the convention of ccid_packet_dequeue_eval() and @@ -655,6 +660,7 @@ static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb) /** * ccid3_first_li - Implements [RFC 5348, 6.3.1] + * @sk: socket to calculate loss interval for * * Determine the length of the first loss interval via inverse lookup. * Assume that X_recv can be computed by the throughput equation diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c index 67abad695e66..da95319842bb 100644 --- a/net/dccp/ccids/lib/loss_interval.c +++ b/net/dccp/ccids/lib/loss_interval.c @@ -79,6 +79,9 @@ static void tfrc_lh_calc_i_mean(struct tfrc_loss_hist *lh) /** * tfrc_lh_update_i_mean - Update the `open' loss interval I_0 + * @lh: histogram to update + * @skb: received socket triggering loss interval update + * * For recomputing p: returns `true' if p > p_prev <=> 1/p < 1/p_prev */ u8 tfrc_lh_update_i_mean(struct tfrc_loss_hist *lh, struct sk_buff *skb) diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c index af08e2df7108..0cdda3c66fb5 100644 --- a/net/dccp/ccids/lib/packet_history.c +++ b/net/dccp/ccids/lib/packet_history.c @@ -385,6 +385,9 @@ static inline struct tfrc_rx_hist_entry * /** * tfrc_rx_hist_sample_rtt - Sample RTT from timestamp / CCVal + * @h: receive histogram + * @skb: packet containing timestamp. + * * Based on ideas presented in RFC 4342, 8.1. Returns 0 if it was not able * to compute a sample with given data - calling function should check this. */ diff --git a/net/dccp/feat.c b/net/dccp/feat.c index 788dd629c420..305f56804832 100644 --- a/net/dccp/feat.c +++ b/net/dccp/feat.c @@ -996,6 +996,8 @@ int dccp_feat_finalise_settings(struct dccp_sock *dp) /** * dccp_feat_server_ccid_dependencies - Resolve CCID-dependent features + * @dreq: server socket to resolve + * * It is the server which resolves the dependencies once the CCID has been * fully negotiated. If no CCID has been negotiated, it uses the default CCID. */ @@ -1033,6 +1035,10 @@ static int dccp_feat_preflist_match(u8 *servlist, u8 slen, u8 *clilist, u8 clen) /** * dccp_feat_prefer - Move preferred entry to the start of array + * @preferred_value: entry to move to start of array + * @array: array of preferred entries + * @array_len: size of the array + * * Reorder the @array_len elements in @array so that @preferred_value comes * first. Returns >0 to indicate that @preferred_value does occur in @array. */ diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index 3d0b58d7bf3f..2455b0c0e486 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -427,7 +427,7 @@ struct sock *dccp_v4_request_recv_sock(const struct sock *sk, if (__inet_inherit_port(sk, newsk) < 0) goto put_and_exit; - *own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash)); + *own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash), NULL); if (*own_req) ireq->ireq_opt = NULL; else diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 179dcf02a572..1f73603913f5 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -533,7 +533,7 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk, dccp_done(newsk); goto out; } - *own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash)); + *own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash), NULL); /* Clone pktoptions received with SYN, if we own the req */ if (*own_req && ireq->pktopts) { newnp->pktoptions = skb_clone(ireq->pktopts, GFP_ATOMIC); diff --git a/net/dccp/output.c b/net/dccp/output.c index 50e6d5699bb2..b8a24734385e 100644 --- a/net/dccp/output.c +++ b/net/dccp/output.c @@ -143,6 +143,8 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb) /** * dccp_determine_ccmps - Find out about CCID-specific packet-size limits + * @dp: socket to find packet size limits of + * * We only consider the HC-sender CCID for setting the CCMPS (RFC 4340, 14.), * since the RX CCID is restricted to feedback packets (Acks), which are small * in comparison with the data traffic. A value of 0 means "no current CCMPS". @@ -236,6 +238,8 @@ static int dccp_wait_for_ccid(struct sock *sk, unsigned long delay) /** * dccp_xmit_packet - Send data packet under control of CCID + * @sk: socket to send data packet on + * * Transmits next-queued payload and informs CCID to account for the packet. */ static void dccp_xmit_packet(struct sock *sk) @@ -296,6 +300,9 @@ static void dccp_xmit_packet(struct sock *sk) /** * dccp_flush_write_queue - Drain queue at end of connection + * @sk: socket to be drained + * @time_budget: time allowed to drain the queue + * * Since dccp_sendmsg queues packets without waiting for them to be sent, it may * happen that the TX queue is not empty at the end of a connection. We give the * HC-sender CCID a grace period of up to @time_budget jiffies. If this function @@ -367,6 +374,8 @@ void dccp_write_xmit(struct sock *sk) /** * dccp_retransmit_skb - Retransmit Request, Close, or CloseReq packets + * @sk: socket to perform retransmit on + * * There are only four retransmittable packet types in DCCP: * - Request in client-REQUEST state (sec. 8.1.1), * - CloseReq in server-CLOSEREQ state (sec. 8.3), diff --git a/net/dccp/qpolicy.c b/net/dccp/qpolicy.c index db2448c33a62..5ba204ec0aca 100644 --- a/net/dccp/qpolicy.c +++ b/net/dccp/qpolicy.c @@ -65,14 +65,16 @@ static bool qpolicy_prio_full(struct sock *sk) * @push: add a new @skb to the write queue * @full: indicates that no more packets will be admitted * @top: peeks at whatever the queueing policy defines as its `top' + * @params: parameter passed to policy operation */ -static struct dccp_qpolicy_operations { +struct dccp_qpolicy_operations { void (*push) (struct sock *sk, struct sk_buff *skb); bool (*full) (struct sock *sk); struct sk_buff* (*top) (struct sock *sk); __be32 params; +}; -} qpol_table[DCCPQ_POLICY_MAX] = { +static struct dccp_qpolicy_operations qpol_table[DCCPQ_POLICY_MAX] = { [DCCPQ_POLICY_SIMPLE] = { .push = qpolicy_simple_push, .full = qpolicy_simple_full, diff --git a/net/dccp/timer.c b/net/dccp/timer.c index a934d2932373..db768f223ef7 100644 --- a/net/dccp/timer.c +++ b/net/dccp/timer.c @@ -215,13 +215,14 @@ out: /** * dccp_write_xmitlet - Workhorse for CCID packet dequeueing interface - * @data: Socket to act on + * @t: pointer to the tasklet associated with this handler * * See the comments above %ccid_dequeueing_decision for supported modes. */ -static void dccp_write_xmitlet(unsigned long data) +static void dccp_write_xmitlet(struct tasklet_struct *t) { - struct sock *sk = (struct sock *)data; + struct dccp_sock *dp = from_tasklet(dp, t, dccps_xmitlet); + struct sock *sk = &dp->dccps_inet_connection.icsk_inet.sk; bh_lock_sock(sk); if (sock_owned_by_user(sk)) @@ -235,16 +236,15 @@ static void dccp_write_xmitlet(unsigned long data) static void dccp_write_xmit_timer(struct timer_list *t) { struct dccp_sock *dp = from_timer(dp, t, dccps_xmit_timer); - struct sock *sk = &dp->dccps_inet_connection.icsk_inet.sk; - dccp_write_xmitlet((unsigned long)sk); + dccp_write_xmitlet(&dp->dccps_xmitlet); } void dccp_init_xmit_timers(struct sock *sk) { struct dccp_sock *dp = dccp_sk(sk); - tasklet_init(&dp->dccps_xmitlet, dccp_write_xmitlet, (unsigned long)sk); + tasklet_setup(&dp->dccps_xmitlet, dccp_write_xmitlet); timer_setup(&dp->dccps_xmit_timer, dccp_write_xmit_timer, 0); inet_csk_init_xmit_timers(sk, &dccp_write_timer, &dccp_delack_timer, &dccp_keepalive_timer); |