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We will support arbitrary SYN Cookie with BPF. If BPF prog validates ACK and kfunc allocates a reqsk, it will be carried to TCP stack as skb->sk with req->syncookie 1. In skb_steal_sock(), we need to check inet_reqsk(sk)->syncookie to see if the reqsk is created by kfunc. However, inet_reqsk() is not available in sock.h. Let's move skb_steal_sock() to request_sock.h. While at it, we refactor skb_steal_sock() so it returns early if skb->sk is NULL to minimise the following patch. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20240115205514.68364-3-kuniyu@amazon.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| drm | ||
| dt-bindings | ||
| keys | ||
| kunit | ||
| kvm | ||
| linux | ||
| math-emu | ||
| media | ||
| memory | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| rv | ||
| scsi | ||
| soc | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| ufs | ||
| vdso | ||
| video | ||
| xen | ||