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/Linux-v5.10/arch/m68k/coldfire/
Dintc-5272.c41 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 …]
/Linux-v5.10/drivers/scsi/
D53c700.scr181 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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D53c700_d.h_shipped238 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-v5.10/net/dccp/
Dackvec.h7 * 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.
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/Linux-v5.10/drivers/net/wimax/i2400m/
Dfw.c58 * reboot barker (4 le32 words with the same value). We ack it by
60 * reboot ack barker (4 le32 words with value I2400M_ACK_BARKER) and
437 * Verify the ack data received
442 * @opcode: opcode which generated this ack. For error messages.
443 * @ack: pointer to ack data we received
451 struct i2400m_bootrom_header *ack, in __i2400m_bm_ack_verify() argument
457 d_fnstart(8, dev, "(i2400m %p opcode %d ack %p size %zu)\n", in __i2400m_bm_ack_verify()
458 i2400m, opcode, ack, ack_size); in __i2400m_bm_ack_verify()
459 if (ack_size < sizeof(*ack)) { in __i2400m_bm_ack_verify()
463 opcode, ack_size, sizeof(*ack)); in __i2400m_bm_ack_verify()
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/Linux-v5.10/net/netfilter/
Dnf_conntrack_proto_tcp.c44 ACK from the destination. If this number is reached, a shorter timer
99 /* What TCP flags are set from RST/SYN/FIN/ACK. */
126 * SYN_RECV: SYN-ACK packet seen
127 * ESTABLISHED: ACK packet seen
129 * CLOSE_WAIT: ACK seen (after FIN)
131 * TIME_WAIT: last ACK seen
137 * closing RST or a SYN/ACK.
166 * sSS -> sIV Client can't send SYN and then SYN/ACK
167 * sS2 -> sSR SYN/ACK sent to SYN2 in simultaneous open
168 * sSR -> sSR Late retransmitted SYN/ACK in simultaneous open
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/Linux-v5.10/net/rxrpc/
Dprotocol.h38 #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 */
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Dinput.c91 /* We analyse the number of packets that get ACK'd per RTT in rxrpc_congestion_management()
183 /* Send some previously unsent DATA if we have some to advance the ACK in rxrpc_congestion_management()
196 * Apply a hard ACK by advancing the Tx window.
255 * or a final ACK packet.
388 * (that information is encoded in the ACK packet).
419 u8 ack = 0; in rxrpc_input_data() local
462 ack = RXRPC_ACK_NOSPACE; in rxrpc_input_data()
464 goto ack; in rxrpc_input_data()
503 ack = RXRPC_ACK_DUPLICATE; in rxrpc_input_data()
511 if (ack != RXRPC_ACK_DUPLICATE) { in rxrpc_input_data()
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Dmisc.c20 * How long to wait before scheduling ACK generation after seeing a
26 * How long to wait before scheduling an ACK with subtype DELAY (in jiffies).
29 * all consumed within this time we will send a DELAY ACK if an ACK was not
35 * How long to wait before scheduling an ACK with subtype IDLE (in jiffies).
37 * We use this when we've consumed some previously soft-ACK'd packets when
39 * ACK let the other end know that it can free up its Tx buffer space.
46 * limit is hit, we should generate an EXCEEDS_WINDOW ACK and discard further
Doutput.c20 struct rxrpc_ackpacket ack; member
67 * Fill out an ACK packet.
89 pkt->ack.bufferSpace = htons(8); in rxrpc_fill_out_ack()
90 pkt->ack.maxSkew = htons(0); in rxrpc_fill_out_ack()
91 pkt->ack.firstPacket = htonl(hard_ack + 1); in rxrpc_fill_out_ack()
92 pkt->ack.previousPacket = htonl(call->ackr_prev_seq); in rxrpc_fill_out_ack()
93 pkt->ack.serial = htonl(serial); in rxrpc_fill_out_ack()
94 pkt->ack.reason = reason; in rxrpc_fill_out_ack()
95 pkt->ack.nAcks = top - hard_ack; in rxrpc_fill_out_ack()
170 * Send an ACK call packet.
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/Linux-v5.10/Documentation/networking/
Dsnmp_counter.rst275 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
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/Linux-v5.10/drivers/gpu/drm/mediatek/
Dmtk_hdmi_ddc.c115 u32 ack; in mtk_hdmi_ddc_read_msg() local
123 ack = sif_read_mask(ddc, DDC_DDCMCTL1, DDCM_ACK_MASK, DDCM_ACK_OFFSET); in mtk_hdmi_ddc_read_msg()
124 dev_dbg(dev, "ack = 0x%x\n", ack); in mtk_hdmi_ddc_read_msg()
125 if (ack != 0x01) { in mtk_hdmi_ddc_read_msg()
126 dev_err(dev, "i2c ack err!\n"); in mtk_hdmi_ddc_read_msg()
150 ack = sif_read_mask(ddc, DDC_DDCMCTL1, DDCM_ACK_MASK, in mtk_hdmi_ddc_read_msg()
153 while (((ack & (1 << temp_count)) != 0) && (temp_count < 8)) in mtk_hdmi_ddc_read_msg()
157 dev_err(dev, "Address NACK! ACK(0x%x)\n", ack); in mtk_hdmi_ddc_read_msg()
188 u32 ack; in mtk_hdmi_ddc_write_msg() local
197 ack = sif_read_mask(ddc, DDC_DDCMCTL1, DDCM_ACK_MASK, DDCM_ACK_OFFSET); in mtk_hdmi_ddc_write_msg()
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/Linux-v5.10/drivers/media/pci/cx18/
Dcx18-mailbox.c112 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()
397 CX18_WARN("Unhandled RPU (%d) for command %x ack\n", in mb_ack_irq()
403 /* Don't ack if the RPU has gotten impatient and timed us out */ in mb_ack_irq()
405 req == cx18_readl(cx, &ack_mb->ack)) { in mb_ack_irq()
406 …CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our incoming %s to EPU mailbox (sequence … in mb_ack_irq()
411 cx18_writel(cx, req, &ack_mb->ack); in mb_ack_irq()
553 /* mb->request and mb->ack. N.B. we want to read mb->ack last */ in cx18_api_epu_cmd_irq()
557 if (order_mb->request == order_mb->ack) { in cx18_api_epu_cmd_irq()
558 …CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our incoming %s to EPU mailbox (sequence … in cx18_api_epu_cmd_irq()
[all …]
/Linux-v5.10/Documentation/driver-api/md/
Dmd-cluster.rst62 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-v5.10/drivers/reset/sti/
Dreset-syscfg.c23 * @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()
71 err = regmap_field_read(ch->ack, &ack_val); in syscfg_reset_program_hw()
124 if (ch->ack) in syscfg_reset_status()
125 err = regmap_field_read(ch->ack, &ret_val); in syscfg_reset_status()
179 f = devm_regmap_field_alloc(dev, map, data->channels[i].ack); in syscfg_reset_controller_register()
183 rc->channels[i].ack = f; in syscfg_reset_controller_register()
Dreset-syscfg.h18 * 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.
/Linux-v5.10/arch/powerpc/kernel/
Dsmp-tbsync.c31 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()
/Linux-v5.10/net/ipv4/
Dtcp_minisocks.c50 /* Send ACK. Note, we do not put the bucket, in tcp_timewait_check_oow_rate_limit()
63 * when one of ends sits in LAST-ACK or CLOSING retransmitting FIN
115 /* Out of window, send ACK */ in tcp_timewait_state_process()
129 /* Dup ACK? */ in tcp_timewait_state_process()
130 if (!th->ack || in tcp_timewait_state_process()
176 /* In window segment, it may be only reset or bare ack. */ in tcp_timewait_state_process()
213 old duplicate (i.e. we receive RST in reply to SYN-ACK), in tcp_timewait_state_process()
218 if (th->syn && !th->rst && !th->ack && !paws_reject && in tcp_timewait_state_process()
239 if (paws_reject || th->ack) in tcp_timewait_state_process()
297 * so the timewait ack generating code has the key. in tcp_time_wait()
[all …]
Dtcp_rate.c6 * 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()
74 * If an ACK (s)acks multiple skbs (e.g., stretched-acks), this function is
142 * for a window. Usually the ACK phase is longer, but with ACK in tcp_rate_gen()
148 rs->prior_mstamp); /* ack phase */ in tcp_rate_gen()
151 /* Record both segment send and ack receive intervals */ in tcp_rate_gen()
/Linux-v5.10/net/decnet/
Ddn_nsp_in.c17 * Steve Whitehouse: Put all ack handling code in a common routine.
92 static void dn_ack(struct sock *sk, struct sk_buff *skb, unsigned short ack) in dn_ack() argument
95 unsigned short type = ((ack >> 12) & 0x0003); in dn_ack()
99 case 0: /* ACK - Data */ in dn_ack()
100 if (dn_after(ack, scp->ackrcv_dat)) { in dn_ack()
101 scp->ackrcv_dat = ack & 0x0fff; in dn_ack()
104 ack); in dn_ack()
109 case 2: /* ACK - OtherData */ in dn_ack()
110 if (dn_after(ack, scp->ackrcv_oth)) { in dn_ack()
111 scp->ackrcv_oth = ack & 0x0fff; in dn_ack()
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/Linux-v5.10/net/dccp/ccids/
Dccid2.c79 * 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()
292 * of data with no lost or marked Ack packets. If arsent were the # of in ccid2_hc_tx_packet_sent()
[all …]
/Linux-v5.10/block/
Dbadblocks.c209 int ack = BB_ACK(p[lo]); in badblocks_set() local
215 ack = acknowledged; in badblocks_set()
217 ack = ack && acknowledged; in badblocks_set()
222 p[lo] = BB_MAKE(a, e-a, ack); in badblocks_set()
229 p[lo] = BB_MAKE(a, BB_MAX_LEN, ack); in badblocks_set()
241 int ack = BB_ACK(p[hi]); in badblocks_set() local
248 ack = acknowledged; in badblocks_set()
250 ack = ack && acknowledged; in badblocks_set()
254 p[hi] = BB_MAKE(a, e-a, ack); in badblocks_set()
257 p[hi] = BB_MAKE(a, BB_MAX_LEN, ack); in badblocks_set()
[all …]
/Linux-v5.10/net/sctp/
Dtsnmap.c141 /* 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 …]
/Linux-v5.10/drivers/net/wireless/ath/ath9k/
Ddynack.h26 * struct ath_dyn_rxbuf - ACK frame ring buffer
29 * @tstamp: ACK RX timestamp buffer
61 * @enabled: enable dyn ack processing
62 * @ackto: current ACK timeout
63 * @lto: last ACK timeout computation
66 * @ack_rbf: ACK ts ring buffer
/Linux-v5.10/drivers/hid/
Dhid-hyperv.c130 struct synthhid_device_info_ack ack; member
186 struct mousevsc_prt_msg ack; in mousevsc_on_receive_device_info() local
222 /* Send the ack */ in mousevsc_on_receive_device_info()
223 memset(&ack, 0, sizeof(struct mousevsc_prt_msg)); in mousevsc_on_receive_device_info()
225 ack.type = PIPE_MESSAGE_DATA; in mousevsc_on_receive_device_info()
226 ack.size = sizeof(struct synthhid_device_info_ack); in mousevsc_on_receive_device_info()
228 ack.ack.header.type = SYNTH_HID_INITIAL_DEVICE_INFO_ACK; in mousevsc_on_receive_device_info()
229 ack.ack.header.size = 1; in mousevsc_on_receive_device_info()
230 ack.ack.reserved = 0; in mousevsc_on_receive_device_info()
233 &ack, in mousevsc_on_receive_device_info()
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