Documented in 2 files:

• arch/x86/include/asm/checksum_64.h, line 15
• arch/x86/um/asm/checksum.h, line 39

Defined in 4 files as a macro:

• arch/arc/include/asm/checksum.h, line 92 (as a macro)
• arch/arm64/include/asm/checksum.h, line 21 (as a macro)
• arch/csky/include/asm/checksum.h, line 24 (as a macro)
• arch/mips/include/asm/checksum.h, line 122 (as a macro)

Defined in 21 files as a function:

• arch/alpha/include/asm/checksum.h, line 61 (as a function)
• arch/arc/include/asm/checksum.h, line 25 (as a function)
• arch/arm/include/asm/checksum.h, line 60 (as a function)
• arch/arm64/include/asm/checksum.h, line 15 (as a function)
• arch/csky/include/asm/checksum.h, line 10 (as a function)
• arch/ia64/include/asm/checksum.h, line 52 (as a function)
• arch/m68k/include/asm/checksum.h, line 68 (as a function)
• arch/mips/include/asm/checksum.h, line 111 (as a function)
• arch/nios2/include/asm/checksum.h, line 25 (as a function)
• arch/parisc/include/asm/checksum.h, line 71 (as a function)
• arch/powerpc/include/asm/checksum.h, line 40 (as a function)
• arch/s390/include/asm/checksum.h, line 52 (as a function)
• arch/sh/include/asm/checksum_32.h, line 68 (as a function)
• arch/sparc/include/asm/checksum_32.h, line 164 (as a function)
• arch/sparc/include/asm/checksum_64.h, line 84 (as a function)
• arch/x86/include/asm/checksum_32.h, line 107 (as a function)
• arch/x86/include/asm/checksum_64.h, line 23 (as a function)
• arch/x86/um/asm/checksum.h, line 47 (as a function)
• arch/xtensa/include/asm/checksum.h, line 72 (as a function)
• include/asm-generic/checksum.h, line 43 (as a function)
• samples/bpf/xdpsock_user.c, line 481 (as a function)

Referenced in 65 files:

• arch/arc/include/asm/checksum.h, line 62
• arch/arm/include/asm/checksum.h
  • line 98
  • line 142
  • line 153
  • line 165
• arch/arm64/include/asm/checksum.h, line 40
• arch/arm64/lib/csum.c, line 155
• arch/m68k/include/asm/checksum.h
  • line 106
  • line 116
  • line 147
• arch/mips/include/asm/checksum.h
  • line 159
  • line 214
  • line 281
• arch/nios2/include/asm/checksum.h, line 71
• arch/parisc/include/asm/checksum.h
  • line 104
  • line 113
  • line 181
• arch/powerpc/include/asm/checksum.h
  • line 91
  • line 150
  • line 206
• arch/s390/include/asm/checksum.h
  • line 68
  • line 105
  • line 115
• arch/sh/include/asm/checksum_32.h
  • line 116
  • line 149
  • line 158
  • line 193
• arch/sparc/include/asm/checksum_32.h
  • line 201
  • line 235
  • line 241
• arch/sparc/include/asm/checksum_64.h
  • line 122
  • line 156
  • line 162
• arch/x86/include/asm/checksum_32.h
  • line 139
  • line 149
  • line 173
• arch/x86/include/asm/checksum_64.h, line 117
• arch/x86/lib/csum-partial_64.c, line 147
• arch/x86/lib/csum-wrappers_64.c, line 156
• arch/x86/um/asm/checksum.h, line 91
• arch/x86/um/asm/checksum_32.h
  • line 10
  • line 35
• arch/xtensa/include/asm/checksum.h
  • line 125
  • line 165
  • line 175
  • line 238
• drivers/net/ethernet/3com/typhoon.c, line 1421
• drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
  • line 3328
  • line 3332
  • line 3669
• drivers/net/ethernet/intel/igb/igb_main.c, line 5741
• drivers/net/ethernet/intel/igbvf/netdev.c, line 2035
• drivers/net/ethernet/intel/igc/igc_main.c, line 1263
• drivers/net/ethernet/intel/ixgbe/ixgbe_main.c, line 7984
• drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c, line 3806
• drivers/net/ethernet/sgi/ioc3-eth.c, line 1013
• drivers/net/ethernet/sun/cassini.c, line 2115
• drivers/net/thunderbolt.c, line 989
• drivers/net/usb/smsc95xx.c, line 2055
• drivers/net/wireless/intel/iwlwifi/pcie/tx.c
  • line 2290
  • line 2349
• drivers/staging/gdm724x/gdm_lte.c, line 209
• include/asm-generic/checksum.h
  • line 39
  • line 67
• include/linux/netdevice.h, line 2894
• include/linux/skbuff.h
  • line 3995
  • line 4441
• include/net/checksum.h
  • line 115
  • line 122
  • line 163
  • line 165
  • line 172
• include/net/gre.h, line 117
• net/bridge/netfilter/nft_reject_bridge.c, line 155
• net/core/datagram.c, line 735
• net/core/dev.c
  • line 3232
  • line 6164
• net/core/skbuff.c
  • line 2815
  • line 2844
  • line 3021
• net/core/utils.c
  • line 435
  • line 467
  • line 470
  • line 479
  • line 483
• net/ipv4/gre_offload.c
  • line 96
  • line 107
• net/ipv4/icmp.c
  • line 388
  • line 1132
• net/ipv4/ip_output.c, line 1724
• net/ipv4/ipmr.c, line 2214
• net/ipv4/netfilter/nf_nat_snmp_basic_main.c, line 91
• net/ipv4/ping.c, line 643
• net/ipv4/tcp_offload.c
  • line 121
  • line 170
• net/ipv4/udp_offload.c, line 131
• net/ipv6/ila/ila_common.c
  • line 53
  • line 71
• net/ipv6/ip6_checksum.c, line 60
• net/ipv6/ip6mr.c, line 543
• net/ipv6/netfilter/ip6t_NPT.c
  • line 35
  • line 71
• net/netfilter/ipvs/ip_vs_core.c, line 706
• net/netfilter/ipvs/ip_vs_proto_tcp.c
  • line 113
  • line 119
  • line 134
  • line 140
• net/netfilter/ipvs/ip_vs_proto_udp.c
  • line 101
  • line 107
  • line 123
  • line 129
• net/netfilter/nf_nat_proto.c, line 610
• net/netfilter/nft_payload.c
  • line 445
  • line 513
• net/netfilter/utils.c, line 21
• net/sched/act_csum.c
  • line 157
  • line 175
• net/sunrpc/socklib.c, line 190
• net/unix/af_unix.c, line 174
• samples/bpf/xdpsock_user.c, line 533