Defined in 2 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)

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 47 (as a function)
• arch/arm/include/asm/checksum.h, line 137 (as a function)
• arch/hexagon/lib/checksum.c, line 50 (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 88 (as a function)
• arch/s390/include/asm/checksum.h, line 93 (as a function)
• arch/sh/include/asm/checksum_32.h, line 141 (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 112 (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)
• tools/testing/selftests/bpf/network_helpers.h, line 108 (as a function)
• tools/testing/selftests/bpf/progs/test_tcp_custom_syncookie.h, line 78 (as a function)
• tools/testing/selftests/bpf/progs/xdp_synproxy_kern.c, line 128 (as a function)

Referenced in 46 files:

• arch/alpha/lib/checksum.c, line 54
• arch/hexagon/kernel/hexagon_ksyms.c, line 39
• drivers/net/amt.c
  • line 672
  • line 763
  • line 2610
• drivers/net/ethernet/atheros/alx/main.c, line 1442
• drivers/net/ethernet/atheros/atl1c/atl1c_main.c, line 2078
• drivers/net/ethernet/atheros/atl1e/atl1e_main.c, line 1662
• drivers/net/ethernet/atheros/atlx/atl1.c
  • line 2125
  • line 2139
• drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
  • line 3513
  • line 3703
• drivers/net/ethernet/broadcom/tg3.c, line 8053
• drivers/net/ethernet/brocade/bna/bnad.c, line 2500
• drivers/net/ethernet/cisco/enic/enic_main.c
  • line 652
  • line 677
• drivers/net/ethernet/freescale/enetc/enetc.c, line 516
• drivers/net/ethernet/huawei/hinic/hinic_tx.c, line 269
• drivers/net/ethernet/ibm/ibmveth.c, line 1294
• drivers/net/ethernet/intel/e1000/e1000_main.c, line 2719
• drivers/net/ethernet/intel/e1000e/netdev.c, line 5456
• drivers/net/ethernet/jme.c, line 2052
• drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c, line 1139
• drivers/net/ethernet/microsoft/mana/mana_en.c, line 341
• drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
  • line 1098
  • line 1110
• drivers/net/ethernet/pensando/ionic/ionic_txrx.c
  • line 1351
  • line 1375
• drivers/net/ethernet/qualcomm/emac/emac-mac.c, line 1281
• drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c, line 93
• drivers/net/ethernet/sun/sunvnet_common.c
  • line 326
  • line 334
  • line 1180
• drivers/net/ethernet/wangxun/libwx/wx_lib.c, line 1237
• drivers/net/hyperv/netvsc_drv.c, line 613
• drivers/net/thunderbolt/main.c, line 1049
• drivers/net/vmxnet3/vmxnet3_drv.c
  • line 1088
  • line 1108
• include/asm-generic/checksum.h, line 50
• include/net/tcp.h, line 1491
• include/net/udp.h, line 264
• net/core/netpoll.c, line 459
• net/core/pktgen.c, line 2992
• net/core/skbuff.c, line 5756
• net/dccp/ipv4.c, line 379
• net/ipv4/udp.c
  • line 1067
  • line 1085
  • line 1190
• 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 296
• net/tls/tls_device_fallback.c, line 197
• tools/testing/selftests/bpf/prog_tests/xdp_metadata.c, line 200
• tools/testing/selftests/bpf/progs/test_tcp_custom_syncookie.c, line 163
• tools/testing/selftests/bpf/progs/xdp_synproxy_kern.c
  • line 630
  • line 694
• tools/testing/selftests/bpf/xdp_hw_metadata.c, line 384