Defined in 3 files as a prototype:

• arch/alpha/include/asm/checksum.h, line 17 (as a prototype)
• arch/hexagon/include/asm/checksum.h, line 21 (as a prototype)
• arch/ia64/include/asm/checksum.h, line 20 (as a prototype)

Defined in 1 files as a macro:

• arch/hexagon/include/asm/checksum.h, line 20 (as a macro)

Defined in 19 files as a function:

• arch/alpha/lib/checksum.c, line 45 (as a function)
• arch/arm/include/asm/checksum.h, line 136 (as a function)
• arch/hexagon/lib/checksum.c, line 50 (as a function)
• arch/ia64/lib/checksum.c, line 38 (as a function)
• arch/m68k/include/asm/checksum.h, line 102 (as a function)
• arch/nios2/include/asm/checksum.h, line 63 (as a function)
• arch/parisc/include/asm/checksum.h, line 92 (as a function)
• arch/powerpc/include/asm/checksum.h, line 87 (as a function)
• arch/s390/include/asm/checksum.h, line 97 (as a function)
• arch/sh/include/asm/checksum_32.h, line 139 (as a function)
• arch/sparc/include/asm/checksum_32.h, line 151 (as a function)
• arch/sparc/include/asm/checksum_64.h, line 85 (as a function)
• arch/x86/include/asm/checksum_32.h, line 127 (as a function)
• arch/x86/include/asm/checksum_64.h, line 113 (as a function)
• arch/x86/um/asm/checksum.h, line 71 (as a function)
• arch/xtensa/include/asm/checksum.h, line 156 (as a function)
• include/asm-generic/checksum.h, line 52 (as a function)
• samples/bpf/xdpsock_user.c, line 723 (as a function)
• tools/testing/selftests/bpf/xdpxceiver.c, line 194 (as a function)

Referenced in 44 files:

• arch/alpha/lib/checksum.c, line 52
• arch/hexagon/kernel/hexagon_ksyms.c, line 42
• arch/ia64/lib/checksum.c, line 46
• drivers/net/ethernet/atheros/alx/main.c, line 1440
• drivers/net/ethernet/atheros/atl1c/atl1c_main.c, line 2119
• drivers/net/ethernet/atheros/atl1e/atl1e_main.c, line 1657
• drivers/net/ethernet/atheros/atlx/atl1.c
  • line 2122
  • line 2136
• drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
  • line 3495
  • line 3689
• drivers/net/ethernet/broadcom/tg3.c, line 7989
• drivers/net/ethernet/brocade/bna/bnad.c, line 2503
• drivers/net/ethernet/cisco/enic/enic_main.c
  • line 636
  • line 661
• drivers/net/ethernet/huawei/hinic/hinic_tx.c, line 270
• drivers/net/ethernet/ibm/ibmveth.c, line 1311
• drivers/net/ethernet/intel/e1000/e1000_main.c, line 2716
• drivers/net/ethernet/intel/e1000e/netdev.c, line 5485
• drivers/net/ethernet/intel/ixgb/ixgb_main.c, line 1202
• drivers/net/ethernet/jme.c, line 2068
• drivers/net/ethernet/mellanox/mlx5/core/en_rx.c, line 822
• drivers/net/ethernet/microsoft/mana/mana_en.c, line 209
• drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
  • line 1109
  • line 1121
• drivers/net/ethernet/pensando/ionic/ionic_txrx.c
  • line 836
  • line 860
• drivers/net/ethernet/qualcomm/emac/emac-mac.c, line 1278
• drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c, line 92
• drivers/net/ethernet/sun/sunvnet_common.c
  • line 325
  • line 333
  • line 1179
• drivers/net/hyperv/netvsc_drv.c, line 659
• drivers/net/thunderbolt.c, line 986
• drivers/net/vmxnet3/vmxnet3_drv.c
  • line 961
  • line 981
• drivers/staging/qlge/qlge_main.c
  • line 2480
  • line 2524
• include/asm-generic/checksum.h, line 50
• include/net/tcp.h, line 1356
• include/net/udp.h, line 152
• net/core/netpoll.c, line 449
• net/core/pktgen.c, line 2829
• net/core/skbuff.c, line 5043
• net/dccp/ipv4.c, line 371
• net/ipv4/udp.c
  • line 839
  • line 857
  • line 961
• net/netfilter/ipvs/ip_vs_proto_tcp.c
  • line 209
  • line 292
  • line 333
• net/netfilter/ipvs/ip_vs_proto_udp.c
  • line 202
  • line 286
  • line 336
• net/netfilter/nf_nat_proto.c, line 510
• net/netfilter/utils.c, line 22
• net/sched/act_csum.c, line 295
• net/tls/tls_device_fallback.c, line 190
• samples/bpf/xdpsock_user.c, line 739
• tools/testing/selftests/bpf/xdpxceiver.c, line 208