| /Linux-v5.4/arch/alpha/lib/ |
| D | csum_partial_copy.c | 98 long len, unsigned long checksum, in csum_partial_cfu_aligned() argument
107 checksum += carry; in csum_partial_cfu_aligned()
109 checksum += word; in csum_partial_cfu_aligned()
111 carry = checksum < word; in csum_partial_cfu_aligned()
116 checksum += carry; in csum_partial_cfu_aligned()
122 checksum += word; in csum_partial_cfu_aligned()
124 carry = checksum < word; in csum_partial_cfu_aligned()
126 checksum += carry; in csum_partial_cfu_aligned()
129 return checksum; in csum_partial_cfu_aligned()
140 long len, unsigned long checksum, in csum_partial_cfu_dest_aligned() argument
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| /Linux-v5.4/net/ncsi/ |
| D | ncsi-pkt.h | 39 __be32 checksum; /* Checksum */ member
45 __be32 checksum; /* Checksum */ member
54 __be32 checksum; /* Checksum */ member
63 __be32 checksum; /* Checksum */ member
71 __be32 checksum; /* Checksum */ member
81 __be32 checksum; /* Checksum */ member
90 __be32 checksum; /* Checksum */ member
102 __be32 checksum; /* Checksum */ member
111 __be32 checksum; /* Checksum */ member
121 __be32 checksum; /* Checksum */ member
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| /Linux-v5.4/drivers/platform/chrome/wilco_ec/ |
| D | mailbox.c | 77 u8 checksum = 0; in wilco_ec_checksum() local
81 checksum += data_bytes[i]; in wilco_ec_checksum()
83 return checksum; in wilco_ec_checksum()
101 rq->checksum = wilco_ec_checksum(rq, sizeof(*rq)); in wilco_ec_prepare()
102 rq->checksum += wilco_ec_checksum(msg->request_data, msg->request_size); in wilco_ec_prepare()
103 rq->checksum = -rq->checksum; in wilco_ec_prepare()
120 u8 checksum; in wilco_ec_transfer() local
152 checksum = cros_ec_lpc_io_bytes_mec(MEC_IO_READ, 0, in wilco_ec_transfer()
155 if (checksum) { in wilco_ec_transfer()
156 dev_dbg(ec->dev, "bad packet checksum 0x%02x\n", rs->checksum); in wilco_ec_transfer()
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| /Linux-v5.4/Documentation/networking/ |
| D | checksum-offloads.rst | 12 take advantage of checksum offload capabilities of various NICs.
29 The interface for offloading a transmit checksum to a device is explained in
33 checksum defined by the sk_buff fields skb->csum_start and skb->csum_offset.
34 The device should compute the 16-bit ones-complement checksum (i.e. the
35 'IP-style' checksum) from csum_start to the end of the packet, and fill in the
39 the checksum field is included in the checksum computation, thus it can be used
40 to supply any needed corrections to the checksum (such as the sum of the
43 This interface only allows a single checksum to be offloaded. Where
44 encapsulation is used, the packet may have multiple checksum fields in
52 No offloading of the IP header checksum is performed; it is always done in
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| D | ila.txt | 103 Transport checksum handling
106 When an address is translated by ILA, an encapsulated transport checksum
109 including checksum offload in NICs, that process the checksum. There are
112 - no action Allow the checksum to be incorrect on the wire. Before
113 a receiver verifies a checksum the ILA to SIR address
116 - adjust transport checksum
118 and if a transport layer checksum is found then it is
119 adjusted to reflect the correct checksum per the
122 - checksum neutral mapping
125 the checksum. The low order sixteen bits of the identifier
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| D | udplite.txt | 7 is a variable-length checksum. This has advantages for transport of multimedia
9 fed into the codec instead of being discarded due to a failed checksum test.
33 IPPROTO need to be changed; senders additionally set the checksum coverage
52 using partial checksum coverage and so emulate UDP mode (full coverage).
54 To make use of the partial checksum coverage facilities requires setting a
57 * Sender checksum coverage: UDPLITE_SEND_CSCOV
64 sets the checksum coverage length to 20 bytes (12b data + 8b header).
70 * Receiver checksum coverage: UDPLITE_RECV_CSCOV
73 required to enable traffic with partial checksum coverage. Its function is
86 A detailed discussion of UDP-Lite checksum coverage options is in section IV.
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| /Linux-v5.4/Documentation/filesystems/ext4/ |
| D | checksums.rst | 8 The desired checksum algorithm is indicated in the superblock, though as
10 structures did not have space to fit a full 32-bit checksum, so only the
20 checksum, it will request that you run ``e2fsck -D`` to have the
24 protected by a checksum!
27 of checksum. The checksum function is whatever the superblock describes
39 - The entire superblock up to the checksum field. The UUID lives inside
43 - UUID + the entire MMP block up to the checksum field.
46 - UUID + the entire extended attribute block. The checksum field is set to
51 fake entry enclosing the checksum field.
55 The checksum field is set to zero.
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| /Linux-v5.4/drivers/gpu/drm/vboxvideo/ |
| D | vbox_hgsmi.c | 37 u32 checksum; in hgsmi_checksum() local
39 checksum = hgsmi_hash_process(0, (u8 *)&offset, sizeof(offset)); in hgsmi_checksum()
40 checksum = hgsmi_hash_process(checksum, (u8 *)header, sizeof(*header)); in hgsmi_checksum()
42 checksum = hgsmi_hash_process(checksum, (u8 *)tail, 4); in hgsmi_checksum()
44 return hgsmi_hash_end(checksum); in hgsmi_checksum()
69 t->checksum = hgsmi_checksum(offset, h, t); in hgsmi_buffer_alloc()
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| /Linux-v5.4/drivers/net/ethernet/intel/igc/ |
| D | igc_nvm.c | 163 u16 checksum = 0; in igc_validate_nvm_checksum() local
173 checksum += nvm_data; in igc_validate_nvm_checksum()
176 if (checksum != (u16)NVM_SUM) { in igc_validate_nvm_checksum()
196 u16 checksum = 0; in igc_update_nvm_checksum() local
206 checksum += nvm_data; in igc_update_nvm_checksum()
208 checksum = (u16)NVM_SUM - checksum; in igc_update_nvm_checksum()
209 ret_val = hw->nvm.ops.write(hw, NVM_CHECKSUM_REG, 1, &checksum); in igc_update_nvm_checksum()
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| /Linux-v5.4/drivers/acpi/acpica/ |
| D | tbprint.c | 154 u8 checksum; in acpi_tb_verify_checksum() local
168 checksum = acpi_tb_checksum(ACPI_CAST_PTR(u8, table), length); in acpi_tb_verify_checksum()
172 if (checksum) { in acpi_tb_verify_checksum()
176 table->signature, table->checksum, in acpi_tb_verify_checksum()
177 (u8)(table->checksum - checksum))); in acpi_tb_verify_checksum()
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| /Linux-v5.4/drivers/net/ethernet/intel/ixgb/ |
| D | ixgb_ee.c | 307 u16 checksum = 0; in ixgb_validate_eeprom_checksum() local
311 checksum += ixgb_read_eeprom(hw, i); in ixgb_validate_eeprom_checksum()
313 if (checksum == (u16) EEPROM_SUM) in ixgb_validate_eeprom_checksum()
330 u16 checksum = 0; in ixgb_update_eeprom_checksum() local
334 checksum += ixgb_read_eeprom(hw, i); in ixgb_update_eeprom_checksum()
336 checksum = (u16) EEPROM_SUM - checksum; in ixgb_update_eeprom_checksum()
338 ixgb_write_eeprom(hw, EEPROM_CHECKSUM_REG, checksum); in ixgb_update_eeprom_checksum()
443 u16 checksum = 0; in ixgb_get_eeprom_data() local
454 checksum += ee_data; in ixgb_get_eeprom_data()
458 if (checksum != (u16) EEPROM_SUM) { in ixgb_get_eeprom_data()
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| /Linux-v5.4/drivers/mtd/parsers/ |
| D | ar7part.c | 26 unsigned int checksum; member
63 if (header.checksum == LOADER_MAGIC1) in create_mtd_partitions()
65 if (header.checksum == LOADER_MAGIC2) in create_mtd_partitions()
77 switch (header.checksum) { in create_mtd_partitions()
96 printk(KERN_WARNING "Unknown magic: %08x\n", header.checksum); in create_mtd_partitions()
101 if (header.checksum != SQUASHFS_MAGIC) { in create_mtd_partitions()
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| /Linux-v5.4/kernel/gcov/ |
| D | clang.c | 63 u32 checksum; member
72 u32 checksum; member
109 u32 checksum) in llvm_gcda_start_file() argument
113 current_info->checksum = checksum; in llvm_gcda_start_file()
127 info->checksum = func_checksum; in llvm_gcda_emit_function()
257 if (info1->checksum != info2->checksum) in gcov_info_is_compatible()
263 if (fn_ptr1->checksum != fn_ptr2->checksum) in gcov_info_is_compatible()
459 pos += store_gcov_u32(buffer, pos, info->checksum); in convert_to_gcda()
471 pos += store_gcov_u32(buffer, pos, fi_ptr->checksum); in convert_to_gcda()
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| /Linux-v5.4/drivers/gpu/drm/amd/amdgpu/ |
| D | amdgpu_discovery.c | 156 uint16_t checksum = 0; in amdgpu_discovery_calculate_checksum() local
160 checksum += data[i]; in amdgpu_discovery_calculate_checksum()
162 return checksum; in amdgpu_discovery_calculate_checksum()
179 uint16_t checksum; in amdgpu_discovery_init() local
203 checksum = bhdr->binary_checksum; in amdgpu_discovery_init()
206 size, checksum)) { in amdgpu_discovery_init()
214 checksum = le16_to_cpu(info->checksum); in amdgpu_discovery_init()
224 ihdr->size, checksum)) { in amdgpu_discovery_init()
232 checksum = le16_to_cpu(info->checksum); in amdgpu_discovery_init()
236 ghdr->size, checksum)) { in amdgpu_discovery_init()
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| /Linux-v5.4/drivers/net/wireless/ath/ath9k/ |
| D | ar9003_mac.c | 30 int checksum = 0; in ar9003_set_txdesc() local
41 checksum += val; in ar9003_set_txdesc()
44 checksum += i->link; in ar9003_set_txdesc()
47 checksum += i->buf_addr[0]; in ar9003_set_txdesc()
49 checksum += i->buf_addr[1]; in ar9003_set_txdesc()
51 checksum += i->buf_addr[2]; in ar9003_set_txdesc()
53 checksum += i->buf_addr[3]; in ar9003_set_txdesc()
56 checksum += (val = (i->buf_len[0] << AR_BufLen_S) & AR_BufLen); in ar9003_set_txdesc()
58 checksum += (val = (i->buf_len[1] << AR_BufLen_S) & AR_BufLen); in ar9003_set_txdesc()
60 checksum += (val = (i->buf_len[2] << AR_BufLen_S) & AR_BufLen); in ar9003_set_txdesc()
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| /Linux-v5.4/kernel/debug/ |
| D | gdbstub.c | 93 unsigned char checksum; in get_packet() local
107 checksum = 0; in get_packet()
119 checksum = checksum + ch; in get_packet()
128 if (checksum != xmitcsum) in get_packet()
138 } while (checksum != xmitcsum); in get_packet()
147 unsigned char checksum; in put_packet() local
156 checksum = 0; in put_packet()
161 checksum += ch; in put_packet()
166 dbg_io_ops->write_char(hex_asc_hi(checksum)); in put_packet()
167 dbg_io_ops->write_char(hex_asc_lo(checksum)); in put_packet()
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| /Linux-v5.4/drivers/nfc/s3fwrn5/ |
| D | nci.c | 85 u32 checksum; in s3fwrn5_nci_rf_configure() local
95 checksum = 0; in s3fwrn5_nci_rf_configure()
97 checksum += *((u32 *)(fw->data+i)); in s3fwrn5_nci_rf_configure()
140 stop_rfreg.checksum = checksum & 0xffff; in s3fwrn5_nci_rf_configure()
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| /Linux-v5.4/drivers/scsi/aic7xxx/ |
| D | aic7xxx_93cx6.c | 303 uint32_t checksum; in ahc_verify_cksum() local
307 checksum = 0; in ahc_verify_cksum()
311 checksum = checksum + scarray[i]; in ahc_verify_cksum()
312 if (checksum == 0 in ahc_verify_cksum()
313 || (checksum & 0xFFFF) != sc->checksum) { in ahc_verify_cksum()
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| /Linux-v5.4/drivers/pnp/isapnp/ |
| D | core.c | 282 unsigned char checksum = 0x6a; in isapnp_isolate() local
302 checksum = in isapnp_isolate()
303 ((((checksum ^ (checksum >> 1)) & 0x01) ^ bit) << 7) in isapnp_isolate()
304 | (checksum >> 1); in isapnp_isolate()
315 if (checksum != 0x00 && checksum == chksum) { in isapnp_isolate()
338 checksum = 0x6a; in isapnp_isolate()
755 unsigned char checksum = 0x6a, bit, b; in isapnp_checksum() local
763 checksum = in isapnp_checksum()
764 ((((checksum ^ (checksum >> 1)) & 0x01) ^ bit) << 7) in isapnp_checksum()
765 | (checksum >> 1); in isapnp_checksum()
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| /Linux-v5.4/drivers/media/platform/vivid/ |
| D | vivid-vbi-gen.c | 179 u8 checksum, i; in vivid_vbi_gen_set_time_of_day() local
194 for (checksum = i = 0; i <= 8; i++) in vivid_vbi_gen_set_time_of_day()
195 checksum += packet[i] & 0x7f; in vivid_vbi_gen_set_time_of_day()
196 packet[9] = calc_parity(0x100 - checksum); in vivid_vbi_gen_set_time_of_day()
197 checksum = 0; in vivid_vbi_gen_set_time_of_day()
206 for (checksum = 0, i = 10; i <= 14; i++) in vivid_vbi_gen_set_time_of_day()
207 checksum += packet[i] & 0x7f; in vivid_vbi_gen_set_time_of_day()
208 packet[15] = calc_parity(0x100 - checksum); in vivid_vbi_gen_set_time_of_day()
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| /Linux-v5.4/drivers/net/ethernet/intel/ixgbe/ |
| D | ixgbe_x540.c | 310 u16 checksum = 0; in ixgbe_calc_eeprom_checksum_X540() local
329 checksum += word; in ixgbe_calc_eeprom_checksum_X540()
366 checksum += word; in ixgbe_calc_eeprom_checksum_X540()
370 checksum = (u16)IXGBE_EEPROM_SUM - checksum; in ixgbe_calc_eeprom_checksum_X540()
372 return (s32)checksum; in ixgbe_calc_eeprom_checksum_X540()
387 u16 checksum; in ixgbe_validate_eeprom_checksum_X540() local
394 status = hw->eeprom.ops.read(hw, 0, &checksum); in ixgbe_validate_eeprom_checksum_X540()
407 checksum = (u16)(status & 0xffff); in ixgbe_validate_eeprom_checksum_X540()
420 if (read_checksum != checksum) { in ixgbe_validate_eeprom_checksum_X540()
427 *checksum_val = checksum; in ixgbe_validate_eeprom_checksum_X540()
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| /Linux-v5.4/include/net/sctp/ |
| D | checksum.h | 55 __le32 old = sh->checksum; in sctp_compute_cksum()
58 sh->checksum = 0; in sctp_compute_cksum()
61 sh->checksum = old; in sctp_compute_cksum()
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| /Linux-v5.4/fs/affs/ |
| D | amigaffs.h | 56 __be32 checksum; member
82 __be32 checksum; member
110 __be32 checksum; member
121 __be32 checksum; member
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| /Linux-v5.4/sound/pci/oxygen/ |
| D | xonar_hdmi.c | 22 u8 checksum; in hdmi_write_command() local
30 checksum = 0xfb + 0xef + command + count; in hdmi_write_command()
32 checksum += params[i]; in hdmi_write_command()
33 oxygen_write_uart(chip, checksum); in hdmi_write_command()
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| /Linux-v5.4/drivers/fsi/ |
| D | fsi-occ.c | 135 u16 checksum = 0; in occ_write() local
174 checksum += cmd[i]; in occ_write()
176 cmd[data_length + 4] = checksum >> 8; in occ_write()
177 cmd[data_length + 5] = checksum & 0xFF; in occ_write()
221 u16 checksum; in occ_verify_checksum() local
224 checksum = resp->seq_no; in occ_verify_checksum()
225 checksum += resp->cmd_type; in occ_verify_checksum()
226 checksum += resp->return_status; in occ_verify_checksum()
227 checksum += (data_length >> 8) + (data_length & 0xFF); in occ_verify_checksum()
230 checksum += resp->data[i]; in occ_verify_checksum()
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