DepSurf

Function: skb_copy_and_csum_bits

Status

Regular

• In 4.4: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81707b80)
  Location: net/core/skbuff.c:2190
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_segment
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/tcp_output.c:tcp_write_xmit
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff81707b80-ffffffff81707ea3: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 4.8: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff8176d790)
  Location: net/core/skbuff.c:2188
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/tcp_output.c:tcp_write_xmit
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff8176d790-ffffffff8176da97: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 4.10: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff8179abf0)
  Location: net/core/skbuff.c:2164
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/tcp_output.c:tcp_write_xmit
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff8179abf0-ffffffff8179aef1: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 4.13: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff817b8010)
  Location: net/core/skbuff.c:2178
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/tcp_output.c:tcp_write_xmit
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff817b8010-ffffffff817b82e1: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 4.15: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81830a50)
  Location: net/core/skbuff.c:2546
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/tcp_output.c:tcp_write_xmit
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff81830a50-ffffffff81830d20: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 4.18: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff8187af20)
  Location: net/core/skbuff.c:2562
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff8187af20-ffffffff8187b1e3: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 5.0: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff8189b8c0)
  Location: net/core/skbuff.c:2558
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff8189b8c0-ffffffff8189bb7a: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 5.3: Transformation ⚠️

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: True

  Instances:

  In net/core/skbuff.c (0)
  Location: net/core/skbuff.c:2724
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff818eebdf-ffffffff818eec3d: skb_copy_and_csum_bits.cold (STB_LOCAL)
  ffffffff818e61e0-ffffffff818e6469: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 5.4: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81918350)
  Location: net/core/skbuff.c:2726
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff81918350-ffffffff819185a8: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 5.8: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff819eab00)
  Location: net/core/skbuff.c:2725
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/ip_output.c:__ip_append_data
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff819eab00-ffffffff819ead5b: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 5.11: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff819ea840)
  Location: net/core/skbuff.c:2742
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/ip_output.c:__ip_append_data
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff819ea840-ffffffff819eaa8d: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 5.13: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff819d0e10)
  Location: net/core/skbuff.c:2825
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/ip_output.c:__ip_append_data
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff819d0e10-ffffffff819d1043: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 5.15: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81a80850)
  Location: net/core/skbuff.c:2897
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/ip_output.c:__ip_append_data
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff81a80850-ffffffff81a80a83: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 5.19: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81bf52e0)
  Location: net/core/skbuff.c:2946
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/ip_output.c:__ip_append_data
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff81bf52e0-ffffffff81bf5574: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 6.2: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81da3810)
  Location: net/core/skbuff.c:3152
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/ip_output.c:__ip_append_data
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff81da3810-ffffffff81da3aa4: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 6.5: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81e12410)
  Location: net/core/skbuff.c:3322
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:__ip_append_data
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff81e12410-ffffffff81e126fe: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In 6.8: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81ecf5d0)
  Location: net/core/skbuff.c:3410
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:__ip_append_data
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff81ecf5d0-ffffffff81ecf8be: skb_copy_and_csum_bits (STB_GLOBAL)
  

Arch

• In arm64: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffff800010bb1660)
  Location: net/core/skbuff.c:2726
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffff800010bb1660-ffff800010bb18f4: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In armhf: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (c0ccf0ec)
  Location: net/core/skbuff.c:2726
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/ip_output.c:__ip_append_data
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/ip6_output.c:__ip6_append_data
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  c0ccf0ec-c0ccf47c: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In ppc64el: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (c000000000c88b50)
  Location: net/core/skbuff.c:2726
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  c000000000c88b50-c000000000c88f0c: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In riscv64: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffe000742fee)
  Location: net/core/skbuff.c:2726
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffe000742fee-ffffffe000743230: skb_copy_and_csum_bits (STB_GLOBAL)
  

Flavor

• In aws: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff818b8350)
  Location: net/core/skbuff.c:2726
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff818b8350-ffffffff818b85a8: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In azure: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff818722a0)
  Location: net/core/skbuff.c:2726
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff818722a0-ffffffff818724f8: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In gcp: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81909350)
  Location: net/core/skbuff.c:2726
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff81909350-ffffffff819095a8: skb_copy_and_csum_bits (STB_GLOBAL)
  

• In lowlatency: ✅

  __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, u8 *to, int len, __wsum csum);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff8192a420)
  Location: net/core/skbuff.c:2726
  Inline: False
  Direct callers:
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_copy_and_csum_dev
    - net/core/skbuff.c:skb_copy_and_csum_bits
    - net/ipv4/ip_output.c:ip_append_page
    - net/ipv4/icmp.c:icmp_glue_bits
    - net/ipv6/icmp.c:icmpv6_getfrag
  

  Symbols:

  ffffffff8192a420-ffffffff8192a691: skb_copy_and_csum_bits (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 ✅
• No changes between 4.13 and 4.15 ✅
• 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 ✅
• Changed between 5.8 and 5.11 ⚠️

  • Param removed. __wsum csum
• 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 ✅