DepSurf

Function: tcp_bpf_ca_needs_ecn

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff8182ca69)
  Location: include/net/tcp.h:2092
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff8183534d)
  Location: include/net/tcp.h:2092
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In 4.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff818ab9a5)
  Location: include/net/tcp.h:2057
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff818b4828)
  Location: include/net/tcp.h:2057
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In 4.18: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff81900d27)
  Location: include/net/tcp.h:2116
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff81909e71)
  Location: include/net/tcp.h:2116
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In 5.0: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff8192ef37)
  Location: include/net/tcp.h:2196
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff81938122)
  Location: include/net/tcp.h:2196
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In 5.3: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff819924d4)
  Location: include/net/tcp.h:2228
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff8199b584)
  Location: include/net/tcp.h:2228
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In 5.4: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff819c8b8d)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff819d1fac)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In 5.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff81ab3bc6)
  Location: include/net/tcp.h:2309
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_ecn_create_request
  

  In net/ipv4/tcp_output.c (ffffffff81ac1a52)
  Location: include/net/tcp.h:2309
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_send_synack
    - net/ipv4/tcp_output.c:tcp_ecn_send_syn
  

• In 5.11: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff81abe532)
  Location: include/net/tcp.h:2333
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_ecn_create_request
  

  In net/ipv4/tcp_output.c (ffffffff81acd4bc)
  Location: include/net/tcp.h:2333
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_send_synack
    - net/ipv4/tcp_output.c:tcp_ecn_send_syn
  

  In net/ipv4/tcp_ipv4.c (ffffffff81ad40e6)
  Location: include/net/tcp.h:2333
  Inline: True
  Inline callers:
    - net/ipv4/tcp_ipv4.c:tcp_v4_send_synack
  

  In net/ipv6/tcp_ipv6.c (ffffffff81b773f5)
  Location: include/net/tcp.h:2333
  Inline: True
  Inline callers:
    - net/ipv6/tcp_ipv6.c:tcp_v6_send_synack
  

• In 5.13: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff81aab0de)
  Location: include/net/tcp.h:2338
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff81ab5664)
  Location: include/net/tcp.h:2338
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

  In net/ipv4/tcp_ipv4.c (ffffffff81abf183)
  Location: include/net/tcp.h:2338
  Inline: True
  Inline callers:
    - net/ipv4/tcp_ipv4.c:tcp_v4_send_synack
  

  In net/ipv6/tcp_ipv6.c (ffffffff81b65efd)
  Location: include/net/tcp.h:2338
  Inline: True
  Inline callers:
    - net/ipv6/tcp_ipv6.c:tcp_v6_send_synack
  

• In 5.15: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff81b6715b)
  Location: include/net/tcp.h:2330
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff81b7266e)
  Location: include/net/tcp.h:2330
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

  In net/ipv4/tcp_ipv4.c (ffffffff81b7ccbb)
  Location: include/net/tcp.h:2330
  Inline: True
  Inline callers:
    - net/ipv4/tcp_ipv4.c:tcp_v4_send_synack
  

  In net/ipv6/tcp_ipv6.c (ffffffff81c2df7d)
  Location: include/net/tcp.h:2330
  Inline: True
  Inline callers:
    - net/ipv6/tcp_ipv6.c:tcp_v6_send_synack
  

• In 5.19: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff81cf63bc)
  Location: include/net/tcp.h:2390
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff81d01d4c)
  Location: include/net/tcp.h:2390
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

  In net/ipv4/tcp_ipv4.c (ffffffff81d0cbf3)
  Location: include/net/tcp.h:2390
  Inline: True
  Inline callers:
    - net/ipv4/tcp_ipv4.c:tcp_v4_send_synack
  

  In net/ipv6/tcp_ipv6.c (ffffffff81dcb8bd)
  Location: include/net/tcp.h:2390
  Inline: True
  Inline callers:
    - net/ipv6/tcp_ipv6.c:tcp_v6_send_synack
  

• In 6.2: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff81ebadcc)
  Location: include/net/tcp.h:2438
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff81ec6ecc)
  Location: include/net/tcp.h:2438
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

  In net/ipv4/tcp_ipv4.c (ffffffff81ed2633)
  Location: include/net/tcp.h:2438
  Inline: True
  Inline callers:
    - net/ipv4/tcp_ipv4.c:tcp_v4_send_synack
  

  In net/ipv6/tcp_ipv6.c (ffffffff81f9c9bd)
  Location: include/net/tcp.h:2438
  Inline: True
  Inline callers:
    - net/ipv6/tcp_ipv6.c:tcp_v6_send_synack
  

• In 6.5: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff81f1925d)
  Location: include/net/tcp.h:2463
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff81f25788)
  Location: include/net/tcp.h:2463
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

  In net/ipv4/tcp_ipv4.c (ffffffff81f31313)
  Location: include/net/tcp.h:2463
  Inline: True
  Inline callers:
    - net/ipv4/tcp_ipv4.c:tcp_v4_send_synack
  

  In net/ipv6/tcp_ipv6.c (ffffffff81ffd40d)
  Location: include/net/tcp.h:2463
  Inline: True
  Inline callers:
    - net/ipv6/tcp_ipv6.c:tcp_v6_send_synack
  

• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff81fddb0c)
  Location: include/net/tcp.h:2659
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff81fea06d)
  Location: include/net/tcp.h:2659
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

  In net/ipv4/tcp_ipv4.c (ffffffff81ff72a3)
  Location: include/net/tcp.h:2659
  Inline: True
  Inline callers:
    - net/ipv4/tcp_ipv4.c:tcp_v4_send_synack
  

  In net/ipv6/tcp_ipv6.c (ffffffff820cb181)
  Location: include/net/tcp.h:2659
  Inline: True
  Inline callers:
    - net/ipv6/tcp_ipv6.c:tcp_v6_send_synack
  

Arch

• In arm64: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffff800010c7a7a0)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffff800010c84b84)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In armhf: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (c0d88714)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (c0d93e5c)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In ppc64el: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (c000000000d857e0)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (c000000000d90a28)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In riscv64: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffe0007de4e6)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffe0007e6506)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

Flavor

• In aws: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff819689fd)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff81971e1c)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In azure: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff819224ed)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff8192b8ec)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In gcp: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff819d31cd)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff819dc5ec)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

• In lowlatency: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In net/ipv4/tcp_input.c (ffffffff819dcd73)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_conn_request
  

  In net/ipv4/tcp_output.c (ffffffff819e626c)
  Location: include/net/tcp.h:2256
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_output.c:tcp_send_synack
  

Differences