| /Linux-v6.6/arch/m68k/coldfire/ |
| D | intc-5272.c | 41 unsigned char ack; member
45 /*MCF_IRQ_SPURIOUS*/ { .icr = 0, .index = 0, .ack = 0, },
46 /*MCF_IRQ_EINT1*/ { .icr = MCFSIM_ICR1, .index = 28, .ack = 1, },
47 /*MCF_IRQ_EINT2*/ { .icr = MCFSIM_ICR1, .index = 24, .ack = 1, },
48 /*MCF_IRQ_EINT3*/ { .icr = MCFSIM_ICR1, .index = 20, .ack = 1, },
49 /*MCF_IRQ_EINT4*/ { .icr = MCFSIM_ICR1, .index = 16, .ack = 1, },
50 /*MCF_IRQ_TIMER1*/ { .icr = MCFSIM_ICR1, .index = 12, .ack = 0, },
51 /*MCF_IRQ_TIMER2*/ { .icr = MCFSIM_ICR1, .index = 8, .ack = 0, },
52 /*MCF_IRQ_TIMER3*/ { .icr = MCFSIM_ICR1, .index = 4, .ack = 0, },
53 /*MCF_IRQ_TIMER4*/ { .icr = MCFSIM_ICR1, .index = 0, .ack = 0, },
[all …]
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| /Linux-v6.6/drivers/scsi/ |
| D | 53c700.scr | 181 CLEAR ACK
195 CLEAR ACK
199 CLEAR ACK
208 CLEAR ACK
212 CLEAR ACK
216 CLEAR ACK
220 CLEAR ACK
224 CLEAR ACK
232 CLEAR ACK
240 CLEAR ACK
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| D | 53c700_d.h_shipped | 238 CLEAR ACK
267 CLEAR ACK
280 CLEAR ACK
313 CLEAR ACK
326 CLEAR ACK
339 CLEAR ACK
352 CLEAR ACK
365 CLEAR ACK
382 CLEAR ACK
399 CLEAR ACK
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| /Linux-v6.6/net/dccp/ |
| D | ackvec.h | 7 * An implementation of Ack Vectors for the DCCP protocol
18 * Ack Vector buffer space is static, in multiples of %DCCP_SINGLE_OPT_MAXLEN,
19 * the maximum size of a single Ack Vector. Setting %DCCPAV_NUM_ACKVECS to 1
20 * will be sufficient for most cases of low Ack Ratios, using a value of 2 gives
21 * more headroom if Ack Ratio is higher or when the sender acknowledges slowly.
27 /* Estimated minimum average Ack Vector length - used for updating MPS */
52 * struct dccp_ackvec - Ack Vector main data structure
65 * @av_records: list of %dccp_ackvec_record (Ack Vectors sent previously)
79 * struct dccp_ackvec_record - Records information about sent Ack Vectors
82 * keeps about recently-sent Ack Vectors; again refer to RFC 4340, Appendix A.
[all …]
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| D | ackvec.c | 5 * An implementation of Ack Vectors for the DCCP protocol
46 * dccp_ackvec_update_records - Record information about sent Ack Vectors
47 * @av: Ack Vector records to update
48 * @seqno: Sequence number of the packet carrying the Ack Vector just sent
49 * @nonce_sum: The sum of all buffer nonces contained in the Ack Vector
190 * dccp_ackvec_add_new - Record one or more new entries in Ack Vector buffer
228 DCCP_CRIT("Ack Vector buffer overflow: dropping old entries"); in dccp_ackvec_add_new()
245 * @av: Ack Vector to register packet to
278 * @av: Ack Vector record to clean
279 * @ackno: last Ack Vector which has been acknowledged
[all …]
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| /Linux-v6.6/net/netfilter/ |
| D | nf_conntrack_proto_tcp.c | 91 /* What TCP flags are set from RST/SYN/FIN/ACK. */
118 * SYN_RECV: SYN-ACK packet seen
119 * ESTABLISHED: ACK packet seen
121 * CLOSE_WAIT: ACK seen (after FIN)
123 * TIME_WAIT: last ACK seen
129 * closing RST or a SYN/ACK.
158 * sSS -> sIV Client can't send SYN and then SYN/ACK
159 * sS2 -> sSR SYN/ACK sent to SYN2 in simultaneous open
160 * sSR -> sSR Late retransmitted SYN/ACK in simultaneous open
161 * sES -> sIV Invalid SYN/ACK packets sent by the client
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| /Linux-v6.6/net/rxrpc/ |
| D | protocol.h | 38 #define RXRPC_PACKET_TYPE_ACK 2 /* ACK */
41 #define RXRPC_PACKET_TYPE_ACKALL 5 /* ACK all outstanding packets on call */
52 #define RXRPC_REQUEST_ACK 0x02 /* request an unconditional ACK of this packet */
56 #define RXRPC_SLOW_START_OK 0x20 /* [ACK] slow start supported */
103 * on-the-wire Rx ACK packet data payload
108 __be16 maxSkew; /* diff between serno being ACK'd and highest serial no
110 __be32 firstPacket; /* sequence no of first ACK'd packet in attached list */
112 __be32 serial; /* serial no of packet that prompted this ACK */
114 uint8_t reason; /* reason for ACK */
115 #define RXRPC_ACK_REQUESTED 1 /* ACK was requested on packet */
[all …]
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| D | call_event.c | 21 * Propose a PING ACK be sent.
38 * Propose a DELAY ACK be sent in the future.
67 * Queue an ACK for immediate transmission.
90 txb->ack.bufferSpace = 0; in rxrpc_send_ACK()
91 txb->ack.maxSkew = 0; in rxrpc_send_ACK()
92 txb->ack.firstPacket = 0; in rxrpc_send_ACK()
93 txb->ack.previousPacket = 0; in rxrpc_send_ACK()
94 txb->ack.serial = htonl(serial); in rxrpc_send_ACK()
95 txb->ack.reason = ack_reason; in rxrpc_send_ACK()
96 txb->ack.nAcks = 0; in rxrpc_send_ACK()
[all …]
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| D | input.c | 74 /* We analyse the number of packets that get ACK'd per RTT in rxrpc_congestion_management()
166 /* Send some previously unsent DATA if we have some to advance the ACK in rxrpc_congestion_management()
205 * Apply a hard ACK by advancing the Tx window.
250 * or a final ACK packet.
416 /* Send an immediate ACK if we fill in a hole */ in rxrpc_input_data_one()
672 * Process the extra information that may be appended to an ACK packet
712 * Each ACK in the array corresponds to one packet and can be either an ACK or
714 * packets that lie beyond the end of the ACK list are scheduled for resend by
716 * the time the ACK was sent.
740 * Return true if the ACK is valid - ie. it doesn't appear to have regressed
[all …]
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| D | misc.c | 20 * How long to wait before scheduling an ACK with subtype DELAY (in jiffies).
23 * all consumed within this time we will send a DELAY ACK if an ACK was not
29 * How long to wait before scheduling an ACK with subtype IDLE (in jiffies).
31 * We use this when we've consumed some previously soft-ACK'd packets when
33 * ACK let the other end know that it can free up its Tx buffer space.
40 * limit is hit, we should generate an EXCEEDS_WINDOW ACK and discard further
|
| D | output.c | 79 * Fill out an ACK packet.
101 txb->ack.firstPacket = htonl(window); in rxrpc_fill_out_ack()
102 txb->ack.nAcks = wtop - window; in rxrpc_fill_out_ack()
106 to = min_t(unsigned int, txb->ack.nAcks, RXRPC_SACK_SIZE); in rxrpc_fill_out_ack()
108 if (sack + txb->ack.nAcks <= RXRPC_SACK_SIZE) { in rxrpc_fill_out_ack()
109 memcpy(txb->acks, call->ackr_sack_table + sack, txb->ack.nAcks); in rxrpc_fill_out_ack()
118 pr_warn("ack window backward %x %x", window, wtop); in rxrpc_fill_out_ack()
119 } else if (txb->ack.reason == RXRPC_ACK_DELAY) { in rxrpc_fill_out_ack()
120 txb->ack.reason = RXRPC_ACK_IDLE; in rxrpc_fill_out_ack()
138 return txb->ack.nAcks + 3 + sizeof(ackinfo); in rxrpc_fill_out_ack()
[all …]
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| /Linux-v6.6/Documentation/networking/ |
| D | snmp_counter.rst | 275 it excludes the retransmitted packets. But it includes the SYN, ACK
296 It means the TCP layer receives a SYN, replies a SYN+ACK, come into
329 TCPSynRetrans: number of SYN and SYN/ACK retransmits to break down
359 half open queue, TCP stack will send SYN+ACK on an exponential backoff
360 timer, after client replies ACK, TCP stack checks whether the accept
363 time client replies ACK, this socket will get another chance to move
433 or pure receivers (this means either the sequence number or the ack
440 good. Kernel would also come into slow path if the "Delayed ack" is
441 used, because when using "Delayed ack", the data is sent in both
450 If a packet set ACK flag and has no data, it is a pure ACK packet, if
[all …]
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| /Linux-v6.6/tools/testing/selftests/tc-testing/tc-tests/qdiscs/ |
| D | cake.json | 18 …refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rt…
41 …oot refcnt [0-9]+ bandwidth 1Kbit diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rt…
64 …dwidth unlimited autorate-ingress diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rt…
87 …refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rt…
110 …efcnt [0-9]+ bandwidth unlimited besteffort triple-isolate nonat nowash no-ack-filter split-gso rt…
133 …refcnt [0-9]+ bandwidth unlimited diffserv8 triple-isolate nonat nowash no-ack-filter split-gso rt…
156 …refcnt [0-9]+ bandwidth unlimited diffserv4 triple-isolate nonat nowash no-ack-filter split-gso rt…
179 …root refcnt [0-9]+ bandwidth unlimited diffserv3 flowblind nonat nowash no-ack-filter split-gso rt…
202 … 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 dsthost nat nowash no-ack-filter split-gso rt…
225 …ke 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 hosts nonat wash no-ack-filter split-gso rt…
[all …]
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| /Linux-v6.6/drivers/gpu/drm/mediatek/ |
| D | mtk_hdmi_ddc.c | 118 u32 ack; in mtk_hdmi_ddc_read_msg() local
126 ack = sif_read_mask(ddc, DDC_DDCMCTL1, DDCM_ACK_MASK, DDCM_ACK_OFFSET); in mtk_hdmi_ddc_read_msg()
127 dev_dbg(dev, "ack = 0x%x\n", ack); in mtk_hdmi_ddc_read_msg()
128 if (ack != 0x01) { in mtk_hdmi_ddc_read_msg()
129 dev_err(dev, "i2c ack err!\n"); in mtk_hdmi_ddc_read_msg()
153 ack = sif_read_mask(ddc, DDC_DDCMCTL1, DDCM_ACK_MASK, in mtk_hdmi_ddc_read_msg()
156 while (((ack & (1 << temp_count)) != 0) && (temp_count < 8)) in mtk_hdmi_ddc_read_msg()
160 dev_err(dev, "Address NACK! ACK(0x%x)\n", ack); in mtk_hdmi_ddc_read_msg()
191 u32 ack; in mtk_hdmi_ddc_write_msg() local
200 ack = sif_read_mask(ddc, DDC_DDCMCTL1, DDCM_ACK_MASK, DDCM_ACK_OFFSET); in mtk_hdmi_ddc_write_msg()
[all …]
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| /Linux-v6.6/drivers/media/pci/cx18/ |
| D | cx18-mailbox.c | 112 CX18_DEBUG_API("%s: req %#010x ack %#010x cmd %#010x err %#010x args%s\n", in dump_mb()
113 name, mb->request, mb->ack, mb->cmd, mb->error, in dump_mb()
398 CX18_WARN("Unhandled RPU (%d) for command %x ack\n", in mb_ack_irq()
404 /* Don't ack if the RPU has gotten impatient and timed us out */ in mb_ack_irq()
406 req == cx18_readl(cx, &ack_mb->ack)) { in mb_ack_irq()
407 …CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our incoming %s to EPU mailbox (sequence … in mb_ack_irq()
412 cx18_writel(cx, req, &ack_mb->ack); in mb_ack_irq()
554 /* mb->request and mb->ack. N.B. we want to read mb->ack last */ in cx18_api_epu_cmd_irq()
558 if (order_mb->request == order_mb->ack) { in cx18_api_epu_cmd_irq()
559 …CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our incoming %s to EPU mailbox (sequence … in cx18_api_epu_cmd_irq()
[all …]
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| /Linux-v6.6/Documentation/driver-api/md/ |
| D | md-cluster.rst | 62 managed through three locks: "token", "message", and "ack", together
141 3.2.3 ack
151 1. receive status - all nodes have concurrent-reader lock on "ack"::
154 "ack":CR "ack":CR "ack":CR
160 "token":EX "ack":CR "ack":CR
162 "ack":CR
172 sender try to get EX of "ack"
178 [ triggered by bast of "ack" ]
183 receiver releases "ack"
189 "ack":EX
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| /Linux-v6.6/drivers/reset/sti/ |
| D | reset-syscfg.c | 23 * @ack: regmap field for the channel's ack bit (optional).
27 struct regmap_field *ack; member
66 if (ch->ack) { in syscfg_reset_program_hw()
69 err = regmap_field_read_poll_timeout(ch->ack, ack_val, (ack_val == ctrl_val), in syscfg_reset_program_hw()
114 if (ch->ack) in syscfg_reset_status()
115 err = regmap_field_read(ch->ack, &ret_val); in syscfg_reset_status()
169 f = devm_regmap_field_alloc(dev, map, data->channels[i].ack); in syscfg_reset_controller_register()
173 rc->channels[i].ack = f; in syscfg_reset_controller_register()
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| D | reset-syscfg.h | 18 * channel's control and ack (status) bits.
20 * @ack: Regmap field description of the channel's acknowledge bit.
25 struct reg_field ack; member
31 .ack = REG_FIELD(_ar, _ab, _ab), }
41 * be "ack'd" in a channel's ack field.
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| /Linux-v6.6/net/ipv4/ |
| D | tcp_minisocks.c | 43 /* Send ACK. Note, we do not put the bucket, in tcp_timewait_check_oow_rate_limit()
56 * when one of ends sits in LAST-ACK or CLOSING retransmitting FIN
108 /* Out of window, send ACK */ in tcp_timewait_state_process()
122 /* Dup ACK? */ in tcp_timewait_state_process()
123 if (!th->ack || in tcp_timewait_state_process()
169 /* In window segment, it may be only reset or bare ack. */ in tcp_timewait_state_process()
206 old duplicate (i.e. we receive RST in reply to SYN-ACK), in tcp_timewait_state_process()
211 if (th->syn && !th->rst && !th->ack && !paws_reject && in tcp_timewait_state_process()
232 if (paws_reject || th->ack) in tcp_timewait_state_process()
253 * so the timewait ack generating code has the key. in tcp_time_wait_init()
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| D | tcp_rate.c | 6 * level, it operates by taking a delivery rate sample for each ACK.
12 * Specifically, over the interval between each transmit and corresponding ACK,
15 * acknowledgment rate faces a challenge under the prevalent ACK decimation or
18 * sustained fashion, when the estimator notices that the ACK rate is faster
45 * time we received the most recent ACK, to ensure we include in tcp_rate_skb_sent()
50 * interval between now and the next ACK. in tcp_rate_skb_sent()
75 * If an ACK (s)acks multiple skbs (e.g., stretched-acks), this function is
153 * for a window. Usually the ACK phase is longer, but with ACK in tcp_rate_gen()
159 rs->prior_mstamp); /* ack phase */ in tcp_rate_gen()
162 /* Record both segment send and ack receive intervals */ in tcp_rate_gen()
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| /Linux-v6.6/arch/powerpc/kernel/ |
| D | smp-tbsync.c | 31 volatile int ack; member
57 tbsync->ack = 1; in smp_generic_take_timebase()
65 tbsync->ack = 0; in smp_generic_take_timebase()
95 while (tbsync->ack) in start_contest()
103 while (!tbsync->ack) in start_contest()
124 while (!tbsync->ack) in smp_generic_give_timebase()
127 pr_debug("Got ack\n"); in smp_generic_give_timebase()
165 while (tbsync->ack) in smp_generic_give_timebase()
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| /Linux-v6.6/net/mptcp/ |
| D | mib.h | 7 MPTCP_MIB_MPCAPABLEACTIVEACK, /* Received SYN/ACK with MP_CAPABLE */
8 MPTCP_MIB_MPCAPABLEPASSIVEACK, /* Received third ACK with MP_CAPABLE */
15 MPTCP_MIB_JOINSYNACKRX, /* Received a SYN/ACK + MP_JOIN */
16 MPTCP_MIB_JOINSYNACKMAC, /* HMAC was wrong on SYN/ACK + MP_JOIN */
17 MPTCP_MIB_JOINACKRX, /* Received an ACK + MP_JOIN */
18 MPTCP_MIB_JOINACKMAC, /* HMAC was wrong on ACK + MP_JOIN */
43 MPTCP_MIB_JOINPORTACKRX, /* Received an ACK MP_JOIN with a different port-number */
45 MPTCP_MIB_MISMATCHPORTACKRX, /* Received an ACK MP_JOIN with a mismatched port-number */
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| /Linux-v6.6/net/dccp/ccids/ |
| D | ccid2.c | 79 * Ensure that Ack Ratio does not exceed ceil(cwnd/2), which is (2) from in ccid2_change_l_ack_ratio()
80 * RFC 4341, 6.1.2. We ignore the statement that Ack Ratio 2 is always in ccid2_change_l_ack_ratio()
82 * The same problem arises when Ack Ratio is 0 (ie. Ack Ratio disabled). in ccid2_change_l_ack_ratio()
85 DCCP_WARN("Limiting Ack Ratio (%u) to %u\n", val, max_ratio); in ccid2_change_l_ack_ratio()
98 * need to check that the ack ratio is still less than the congestion in ccid2_check_l_ack_ratio()
100 * packets and got no response because we haven't sent ack ratio in ccid2_check_l_ack_ratio()
102 * If the ack ratio does need to be reduced, we reduce it to half of in ccid2_check_l_ack_ratio()
104 * congestion window. This prevents problems if one ack is lost. in ccid2_check_l_ack_ratio()
160 /* clear ack ratio state. */ in ccid2_hc_tx_rto_expire()
295 * of data with no lost or marked Ack packets. If arsent were the # of in ccid2_hc_tx_packet_sent()
[all …]
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| /Linux-v6.6/block/ |
| D | badblocks.c | 208 int ack = BB_ACK(p[lo]); in badblocks_set() local
214 ack = acknowledged; in badblocks_set()
216 ack = ack && acknowledged; in badblocks_set()
221 p[lo] = BB_MAKE(a, e-a, ack); in badblocks_set()
228 p[lo] = BB_MAKE(a, BB_MAX_LEN, ack); in badblocks_set()
240 int ack = BB_ACK(p[hi]); in badblocks_set() local
247 ack = acknowledged; in badblocks_set()
249 ack = ack && acknowledged; in badblocks_set()
253 p[hi] = BB_MAKE(a, e-a, ack); in badblocks_set()
256 p[hi] = BB_MAKE(a, BB_MAX_LEN, ack); in badblocks_set()
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| /Linux-v6.6/net/sctp/ |
| D | tsnmap.c | 141 /* Initialize a Gap Ack Block iterator from memory being provided. */
145 /* Only start looking one past the Cumulative TSN Ack Point. */ in sctp_tsnmap_iter_init()
149 /* Get the next Gap Ack Blocks. Returns 0 if there was not another block
167 /* The Gap Ack Block happens to end at the end of the map. */ in sctp_tsnmap_next_gap_ack()
171 /* If we found a Gap Ack Block, return the start and end and in sctp_tsnmap_next_gap_ack()
176 * Cumulative TSN Ack which is always 1 behind base. in sctp_tsnmap_next_gap_ack()
226 * the Cumulative TSN Ack Point.
266 /* This is a private helper for finding Gap Ack Blocks. It searches a
267 * single array for the start and end of a Gap Ack Block.
270 * or (respectively) the end of a Gap Ack Block.
[all …]
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