website-function

Function: tcp_select_initial_window

Status

Regular

• In 4.4: ✅

  void tcp_select_initial_window(int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff817742d0)
  Location: net/ipv4/tcp_output.c:208
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff817742d0-ffffffff817743e5: tcp_select_initial_window (STB_GLOBAL)
  

• In 4.8: ✅

  void tcp_select_initial_window(int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff817e1160)
  Location: net/ipv4/tcp_output.c:205
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff817e1160-ffffffff817e1291: tcp_select_initial_window (STB_GLOBAL)
  

• In 4.10: ✅

  void tcp_select_initial_window(int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81811580)
  Location: net/ipv4/tcp_output.c:205
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81811580-ffffffff818116b1: tcp_select_initial_window (STB_GLOBAL)
  

• In 4.13: ✅

  void tcp_select_initial_window(int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81831690)
  Location: net/ipv4/tcp_output.c:206
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81831690-ffffffff818317c1: tcp_select_initial_window (STB_GLOBAL)
  

• In 4.15: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff818b0a80)
  Location: net/ipv4/tcp_output.c:191
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff818b0a80-ffffffff818b0bd1: tcp_select_initial_window (STB_GLOBAL)
  

• In 4.18: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81906260)
  Location: net/ipv4/tcp_output.c:204
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81906260-ffffffff8190636b: tcp_select_initial_window (STB_GLOBAL)
  

• In 5.0: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff819346c0)
  Location: net/ipv4/tcp_output.c:204
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff819346c0-ffffffff819347af: tcp_select_initial_window (STB_GLOBAL)
  

• In 5.3: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81998200)
  Location: net/ipv4/tcp_output.c:204
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81998200-ffffffff819982ef: tcp_select_initial_window (STB_GLOBAL)
  

• In 5.4: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff819ced30)
  Location: net/ipv4/tcp_output.c:207
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff819ced30-ffffffff819cee1f: tcp_select_initial_window (STB_GLOBAL)
  

• In 5.8: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81abae60)
  Location: net/ipv4/tcp_output.c:208
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81abae60-ffffffff81abaf59: tcp_select_initial_window (STB_GLOBAL)
  

• In 5.11: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81ac6200)
  Location: net/ipv4/tcp_output.c:208
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81ac6200-ffffffff81ac62f9: tcp_select_initial_window (STB_GLOBAL)
  

• In 5.13: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81ab1410)
  Location: net/ipv4/tcp_output.c:208
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81ab1410-ffffffff81ab14f6: tcp_select_initial_window (STB_GLOBAL)
  

• In 5.15: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81b6e3b0)
  Location: net/ipv4/tcp_output.c:208
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81b6e3b0-ffffffff81b6e4ad: tcp_select_initial_window (STB_GLOBAL)
  

• In 5.19: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81cfdaa0)
  Location: net/ipv4/tcp_output.c:206
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81cfdaa0-ffffffff81cfdb98: tcp_select_initial_window (STB_GLOBAL)
  

• In 6.2: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81ec2700)
  Location: net/ipv4/tcp_output.c:206
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81ec2700-ffffffff81ec27f8: tcp_select_initial_window (STB_GLOBAL)
  

• In 6.5: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81f20c60)
  Location: net/ipv4/tcp_output.c:206
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81f20c60-ffffffff81f20d58: tcp_select_initial_window (STB_GLOBAL)
  

• In 6.8: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81fe5360)
  Location: net/ipv4/tcp_output.c:205
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81fe5360-ffffffff81fe5458: tcp_select_initial_window (STB_GLOBAL)
  

Arch

• In arm64: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffff800010c81780)
  Location: net/ipv4/tcp_output.c:207
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffff800010c81780-ffff800010c818d0: tcp_select_initial_window (STB_GLOBAL)
  

• In armhf: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (c0d907d8)
  Location: net/ipv4/tcp_output.c:207
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  c0d907d8-c0d90900: tcp_select_initial_window (STB_GLOBAL)
  

• In ppc64el: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (c000000000d8c6f0)
  Location: net/ipv4/tcp_output.c:207
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  c000000000d8c6f0-c000000000d8c8d8: tcp_select_initial_window (STB_GLOBAL)
  

• In riscv64: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffe0007e35a4)
  Location: net/ipv4/tcp_output.c:207
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffe0007e35a4-ffffffe0007e3754: tcp_select_initial_window (STB_GLOBAL)
  

Flavor

• In aws: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff8196eba0)
  Location: net/ipv4/tcp_output.c:207
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff8196eba0-ffffffff8196ec8f: tcp_select_initial_window (STB_GLOBAL)
  

• In azure: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff81928690)
  Location: net/ipv4/tcp_output.c:207
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff81928690-ffffffff8192877f: tcp_select_initial_window (STB_GLOBAL)
  

• In gcp: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff819d9370)
  Location: net/ipv4/tcp_output.c:207
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff819d9370-ffffffff819d945f: tcp_select_initial_window (STB_GLOBAL)
  

• In lowlatency: ✅

  void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, __u32 *rcv_wnd, __u32 *window_clamp, int wscale_ok, __u8 *rcv_wscale, __u32 init_rcv_wnd);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/ipv4/tcp_output.c (ffffffff819e2fd0)
  Location: net/ipv4/tcp_output.c:207
  Inline: False
  Direct callers:
    - net/ipv4/tcp_output.c:tcp_connect_init
    - net/ipv4/tcp_minisocks.c:tcp_openreq_init_rwin
    - net/ipv4/syncookies.c:cookie_v4_check
    - net/ipv6/syncookies.c:cookie_v6_check
  

  Symbols:

  ffffffff819e2fd0-ffffffff819e30bf: tcp_select_initial_window (STB_GLOBAL)
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• Changed between 4.13 and 4.15 ⚠️

  • Param added. const struct sock *sk
  • Param reordered. __space, mss, rcv_wnd, window_clamp, wscale_ok, rcv_wscale, init_rcv_wnd ➡️ sk, __space, mss, rcv_wnd, window_clamp, wscale_ok, rcv_wscale, init_rcv_wnd
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅