| /linux/arch/riscv/lib/ |
| H A D | csum.c | 22 __u32 len, __u8 proto, __wsum csum) in csum_ipv6_magic() argument
25 unsigned long sum = (__force unsigned long)csum; in csum_ipv6_magic()
79 unsigned long csum = 0, carry = 0; in do_csum_common() local
87 csum += data; in do_csum_common()
88 carry += csum < data; in do_csum_common()
102 csum += data; in do_csum_common()
103 carry += csum < data; in do_csum_common()
104 csum += carry; in do_csum_common()
105 csum += csum < carry; in do_csum_common()
107 return csum; in do_csum_common()
[all …]
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| /linux/arch/s390/include/asm/ |
| H A D | checksum.h | 45 u32 csum = (__force u32) sum; in csum_fold() local
47 csum += (csum >> 16) | (csum << 16); in csum_fold()
48 csum >>= 16; in csum_fold()
49 return (__force __sum16) ~csum; in csum_fold()
58 __u64 csum = 0; in ip_fast_csum() local
61 csum += *ptr++; in ip_fast_csum()
62 csum += *ptr++; in ip_fast_csum()
63 csum += *ptr++; in ip_fast_csum()
64 csum += *ptr++; in ip_fast_csum()
67 csum += *ptr++; in ip_fast_csum()
[all …]
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| /linux/arch/riscv/include/asm/ |
| H A D | checksum.h | 39 unsigned long csum = 0; in ip_fast_csum() local
43 csum += ((const unsigned int *)iph)[pos]; in ip_fast_csum()
45 csum += csum < ((const unsigned int *)iph)[pos]; in ip_fast_csum()
64 : [csum] "+r" (csum), [fold_temp] "=&r" (fold_temp)); in ip_fast_csum()
75 : [csum] "+r" (csum), [fold_temp] "=&r" (fold_temp)); in ip_fast_csum()
77 return (__force __sum16)(csum >> 16); in ip_fast_csum()
81 csum += ror64(csum, 32); in ip_fast_csum()
82 csum >>= 32; in ip_fast_csum()
84 return csum_fold((__force __wsum)csum); in ip_fast_csum()
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| /linux/arch/mips/include/asm/ |
| H A D | checksum.h | 77 static inline __sum16 csum_fold(__wsum csum) in csum_fold() argument
79 u32 sum = (__force u32)csum; in csum_fold()
82 csum = (__force __wsum)(sum < (__force u32)csum); in csum_fold()
84 sum += (__force u32)csum; in csum_fold()
101 unsigned int csum; in ip_fast_csum() local
104 csum = word[0]; in ip_fast_csum()
105 csum += word[1]; in ip_fast_csum()
106 carry = (csum < word[1]); in ip_fast_csum()
107 csum += carry; in ip_fast_csum()
109 csum += word[2]; in ip_fast_csum()
[all …]
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| /linux/include/net/ |
| H A D | checksum.h | 59 static __always_inline __wsum csum_add(__wsum csum, __wsum addend) in csum_add() argument
61 u32 res = (__force u32)csum; in csum_add()
67 static __always_inline __wsum csum_sub(__wsum csum, __wsum addend) in csum_sub() argument
69 return csum_add(csum, ~addend); in csum_sub()
72 static __always_inline __sum16 csum16_add(__sum16 csum, __be16 addend) in csum16_add() argument
74 u16 res = (__force u16)csum; in csum16_add()
80 static __always_inline __sum16 csum16_sub(__sum16 csum, __be16 addend) in csum16_sub() argument
82 return csum16_add(csum, ~addend); in csum16_sub()
96 csum_block_add(__wsum csum, __wsum csum2, int offset) in csum_block_add() argument
98 return csum_add(csum, csum_shift(csum2, offset)); in csum_block_add()
[all …]
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| H A D | seg6.h | 22 skb->csum = ~csum_partial((char *)diff, sizeof(diff), ~skb->csum); in update_csum_diff4()
33 skb->csum = ~csum_partial((char *)diff, sizeof(diff), ~skb->csum); in update_csum_diff16()
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| H A D | gso.h | 20 __wsum csum; member
53 SKB_GSO_CB(skb)->csum = res; in gso_reset_checksum()
69 __wsum partial = SKB_GSO_CB(skb)->csum; in gso_make_checksum()
71 SKB_GSO_CB(skb)->csum = res; in gso_make_checksum()
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| /linux/arch/s390/kernel/ |
| H A D | os_info.c | 44 os_info.csum = os_info_csum(&os_info); in os_info_crashkernel_add()
54 os_info.entry[nr].csum = (__force u32)cksm(ptr, size, 0); in os_info_entry_add_data()
55 os_info.csum = os_info_csum(&os_info); in os_info_entry_add_data()
65 os_info.entry[nr].csum = 0; in os_info_entry_add_val()
66 os_info.csum = os_info_csum(&os_info); in os_info_entry_add_val()
89 os_info.csum = os_info_csum(&os_info); in os_info_init()
106 u32 csum; in os_info_old_alloc() local
124 csum = (__force u32)cksm(buf_align, size, 0); in os_info_old_alloc()
125 if (csum != os_info_old->entry[nr].csum) { in os_info_old_alloc()
164 if (os_info_old->csum != os_info_csum(os_info_old)) in os_info_old_init()
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| /linux/tools/testing/selftests/bpf/ |
| H A D | network_helpers.h | 117 static __u16 csum_fold(__u32 csum) in csum_partial()
119 csum = (csum & 0xffff) + (csum >> 16); in csum_partial()
120 csum = (csum & 0xffff) + (csum >> 16); in csum_partial()
122 return (__u16)~csum; in csum_partial()
160 * @csum: The accumulated partial sum to add to the computation in csum_tcpudp_magic()
166 __wsum csum)
104 csum_fold(__u32 csum) csum_fold() argument
153 csum_tcpudp_magic(__be32 saddr,__be32 daddr,__u32 len,__u8 proto,__wsum csum) csum_tcpudp_magic() argument
184 csum_ipv6_magic(const struct in6_addr * saddr,const struct in6_addr * daddr,__u32 len,__u8 proto,__wsum csum) csum_ipv6_magic() argument
[all...] |
| /linux/net/sunrpc/ |
| H A D | socklib.c | 32 __wsum csum; member
50 __wsum csum; in xdr_skb_read_bits() local
52 csum = skb_copy_and_csum_bits(desc->skb, desc->offset, to, len); in xdr_skb_read_bits()
53 desc->csum = csum_block_add(desc->csum, csum, desc->offset); in xdr_skb_read_bits()
142 desc.csum = csum_partial(skb->data, desc.offset, skb->csum); in csum_partial_copy_to_xdr()
148 desc.csum = csum_block_add(desc.csum, csum2, desc.offset); in csum_partial_copy_to_xdr()
152 if (csum_fold(desc.csum)) in csum_partial_copy_to_xdr()
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| /linux/net/sched/ |
| H A D | act_csum.c | 158 skb->csum = csum_partial(icmph, ipl - ihl, 0); in tcf_csum_ipv4_icmp()
159 icmph->checksum = csum_fold(skb->csum); in tcf_csum_ipv4_icmp()
175 igmph->csum = 0; in tcf_csum_ipv4_igmp()
176 skb->csum = csum_partial(igmph, ipl - ihl, 0); in tcf_csum_ipv4_igmp()
177 igmph->csum = csum_fold(skb->csum); in tcf_csum_ipv4_igmp()
196 skb->csum = csum_partial(icmp6h, ipl - ihl, 0); in tcf_csum_ipv6_icmp()
199 skb->csum); in tcf_csum_ipv6_icmp()
221 skb->csum = csum_partial(tcph, ipl - ihl, 0); in tcf_csum_ipv4_tcp()
223 iph->saddr, iph->daddr, skb->csum); in tcf_csum_ipv4_tcp()
245 skb->csum = csum_partial(tcph, ipl - ihl, 0); in tcf_csum_ipv6_tcp()
[all …]
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| /linux/tools/testing/selftests/bpf/progs/ |
| H A D | test_tcp_custom_syncookie.c | 136 /* Needed to calculate csum and parse TCP options. */ in tcp_reload_headers()
161 static __sum16 tcp_v4_csum(struct tcp_syncookie *ctx, __wsum csum) in tcp_v4_csum() argument
164 ctx->tcp->doff * 4, IPPROTO_TCP, csum); in tcp_v4_csum()
167 static __sum16 tcp_v6_csum(struct tcp_syncookie *ctx, __wsum csum) in tcp_v6_csum() argument
170 ctx->tcp->doff * 4, IPPROTO_TCP, csum); in tcp_v6_csum()
175 s64 csum; in tcp_validate_header() local
180 csum = bpf_csum_diff(0, 0, (void *)ctx->tcp, ctx->tcp->doff * 4, 0); in tcp_validate_header()
181 if (csum < 0) in tcp_validate_header()
185 /* check tcp_v4_csum(csum) is 0 if not on lo. */ in tcp_validate_header()
187 csum in tcp_validate_header()
401 s64 csum; tcp_handle_syn() local
[all...] |
| /linux/tools/arch/x86/dell-uart-backlight-emulator/ |
| H A D | dell-uart-backlight-emulator.c | 42 unsigned char buf[4], csum, response[32]; in main() local
103 csum = dell_uart_checksum(buf, len - 1); in main()
104 if (buf[len - 1] != csum) { in main()
106 buf[len - 1], csum); in main()
149 csum = dell_uart_checksum(response, len + 2); in main()
150 response[len + 2] = csum; in main()
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| /linux/arch/csky/include/asm/ |
| H A D | checksum.h | 9 static inline __sum16 csum_fold(__wsum csum) in csum_fold() argument
18 : "=r"(csum), "=r"(tmp) in csum_fold()
19 : "0"(csum)); in csum_fold()
21 return (__force __sum16) ~csum; in csum_fold()
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| /linux/tools/bootconfig/ |
| H A D | main.c | 188 uint32_t size = 0, csum = 0, rcsum; in load_xbc_from_initrd() local
216 if (read(fd, &csum, sizeof(uint32_t)) < 0) in load_xbc_from_initrd()
218 csum = le32toh(csum); in load_xbc_from_initrd()
236 if (csum != rcsum) { in load_xbc_from_initrd()
237 pr_err("checksum error: %u != %u\n", csum, rcsum); in load_xbc_from_initrd()
372 uint32_t csum; in apply_xbc() member
379 uint32_t size, csum; in apply_xbc() local
389 csum = xbc_calc_checksum(buf, size); in apply_xbc()
412 printf("\tChecksum: %u\n", (unsigned int)csum); in apply_xbc()
448 footer.csum = htole32(csum); in apply_xbc()
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| /linux/net/core/ |
| H A D | datagram.c | 800 __wsum next, *csum = priv2; in copy_to_user_iter_csum() local
803 *csum = csum_block_add(*csum, next, progress); in copy_to_user_iter_csum()
811 __wsum *csum = priv2; in memcpy_to_iter_csum() local
814 *csum = csum_block_add(*csum, next, progress); in memcpy_to_iter_csum()
819 __wsum csum; member
833 csstate->csum = csum_block_add(csstate->csum, in csum_and_copy_to_iter()
840 sum = csum_shift(csstate->csum, csstate->off); in csum_and_copy_to_iter()
845 csstate->csum = csum_shift(sum, csstate->off); in csum_and_copy_to_iter()
863 struct csum_state csdata = { .csum = *csump }; in skb_copy_and_csum_datagram()
871 *csump = csdata.csum; in skb_copy_and_csum_datagram()
[all …]
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| /linux/drivers/gpu/drm/amd/amdgpu/ |
| H A D | amdgpu_ras_eeprom.c | 364 u8 *pp, csum; in __calc_hdr_byte_sum() local
370 csum = 0; in __calc_hdr_byte_sum()
372 csum += *pp; in __calc_hdr_byte_sum()
374 return csum; in __calc_hdr_byte_sum()
380 u8 *pp, csum; in __calc_ras_info_byte_sum() local
385 csum = 0; in __calc_ras_info_byte_sum()
387 csum += *pp; in __calc_ras_info_byte_sum()
389 return csum; in __calc_ras_info_byte_sum()
399 u8 csum; in amdgpu_ras_eeprom_correct_header_tag() local
401 csum = -hdr->checksum; in amdgpu_ras_eeprom_correct_header_tag()
[all …]
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| /linux/arch/sparc/include/asm/ |
| H A D | checksum_64.h | 133 static inline __wsum csum_add(__wsum csum, __wsum addend) in csum_add() argument
138 : "=r" (csum) in csum_add()
139 : "r" (addend), "0" (csum)); in csum_add()
141 return csum; in csum_add()
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| H A D | checksum_32.h | 199 static inline __wsum csum_add(__wsum csum, __wsum addend) in csum_add() argument
204 : "=r" (csum) in csum_add()
205 : "r" (addend), "0" (csum)); in csum_add()
207 return csum; in csum_add()
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| /linux/drivers/net/ethernet/sgi/ |
| H A D | ioc3-eth.c | 303 u32 csum, ehsum; in ioc3_tcpudp_checksum() local
331 csum = hwsum + in ioc3_tcpudp_checksum()
344 csum += 0xffff ^ ehsum; in ioc3_tcpudp_checksum()
351 csum += 0xffff ^ (u16)((cp[1] << 8) | cp[0]); in ioc3_tcpudp_checksum()
352 csum += 0xffff ^ (u16)((cp[3] << 8) | cp[2]); in ioc3_tcpudp_checksum()
354 csum += 0xffff ^ (u16)((cp[0] << 8) | cp[1]); in ioc3_tcpudp_checksum()
355 csum += 0xffff ^ (u16)((cp[2] << 8) | cp[3]); in ioc3_tcpudp_checksum()
358 csum = (csum & 0xffff) + (csum >> 16); in ioc3_tcpudp_checksum()
359 csum = (csum & 0xffff) + (csum >> 16); in ioc3_tcpudp_checksum()
361 if (csum == 0xffff) in ioc3_tcpudp_checksum()
[all …]
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| /linux/drivers/accessibility/braille/ |
| H A D | braille_console.c | 64 unsigned char data[1 + 1 + 2*WIDTH + 2 + 1], csum = 0, *c; in braille_write() local
82 csum ^= '>'; in braille_write()
90 csum ^= out; in braille_write()
98 if (csum <= 0x05) { in braille_write()
100 csum |= 0x40; in braille_write()
102 *c++ = csum; in braille_write()
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| /linux/net/netfilter/ipvs/ |
| H A D | ip_vs_proto_udp.c | 193 skb->csum = skb_checksum(skb, udphoff, skb->len - udphoff, 0); in udp_snat_handler()
199 cp->protocol, skb->csum); in udp_snat_handler()
206 skb->csum); in udp_snat_handler()
277 skb->csum = skb_checksum(skb, udphoff, skb->len - udphoff, 0); in udp_dnat_handler()
283 cp->protocol, skb->csum); in udp_dnat_handler()
290 skb->csum); in udp_dnat_handler()
312 skb->csum = skb_checksum(skb, udphoff, in udp_csum_check()
322 skb->csum)) { in udp_csum_check()
333 skb->csum)) { in udp_csum_check()
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| /linux/include/uapi/linux/ |
| H A D | igmp.h | 34 __sum16 csum; member
57 __sum16 csum; member
66 __sum16 csum; member
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| /linux/init/ |
| H A D | initramfs_test.c | 25 unsigned int csum; member
46 c->rdevmajor, c->rdevminor, c->namesize, c->csum, in fill_cpio()
85 .csum = 0, in initramfs_test_extract()
166 .csum = 0, in initramfs_test_fname_overrun()
213 .csum = 0, in initramfs_test_data()
257 .csum = 'A' + 'S' + 'D' + 'F', in initramfs_test_csum()
270 .csum = 5555, in initramfs_test_csum()
286 c[0].csum--; in initramfs_test_csum()
422 .csum = 0, in initramfs_test_fname_pad()
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| /linux/drivers/net/ethernet/stmicro/stmmac/ |
| H A D | chain_mode.c | 18 int csum) in jumbo_frm() argument
45 stmmac_prepare_tx_desc(priv, desc, 1, buf_len, csum, STMMAC_CHAIN_MODE, in jumbo_frm()
62 stmmac_prepare_tx_desc(priv, desc, 0, bmax, csum, in jumbo_frm()
76 stmmac_prepare_tx_desc(priv, desc, 0, len, csum, in jumbo_frm()
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