SSH_MSGOFFSET_COMMAND(9)

💅 SSH_MSGOFFSET_COMMAND(9) 💅

okay so bestie, welcome to the Kernel API Manual, page literally called SSH_MSGOFFSET_COMMAND(9). yes the whole page is named after a macro. she's that girl. 🎀

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✨ NAME ✨

SSH_MSGOFFSET_COMMAND — computes the offset in an SSH message to a specified field in the command. like, where in the byte soup does this field actually live? that's the whole gig. 🦋

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🌸 SYNOPSIS 🌸

SSH_MSGOFFSET_COMMAND (field );

no cap, that's it. one argument. she's low maintenance. 💅

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🫶 ARGUMENTS 🫶

• field — the field you want the offset of. the one thing you gotta tell her, and she'll do the math. no notes. ✨

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💖 RETURN 💖

returns the offset of the specified struct ssh_command field in the raw SSH message data. and she's not just vibing — she actually takes stuff into account:

• the SYN bytes (u16) that sit before the frame, and
• the frame CRC (u16) that sits between the frame and the command.

so those two little u16s are accounted for, fr fr. main character attention to detail. 👑🔥

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🌈 SEE ALSO 🌈

the whole friend group 💜 — from the kernel file ./include/linux/surface_aggregator/serial_hub.h:

• enum ssh_frame_type(9)
• struct ssh_frame(9)
• enum ssh_payload_type(9)
• struct ssh_command(9)
• SSH_MESSAGE_LENGTH(9)
• SSH_COMMAND_MESSAGE_LENGTH(9)
• SSH_MSGOFFSET_FRAME(9)
• ssh_crc(9)
• ssh_rqid_next_valid(9)
• ssh_rqid_to_event(9)
• ssh_rqid_is_event(9)
• ssh_tc_to_rqid(9)
• ssh_tid_to_index(9)
• ssh_tid_is_valid(9)
• struct ssam_span(9)
• enum ssam_ssh_tid(9)
• enum ssh_packet_base_priority(9)
• SSH_PACKET_PRIORITY(9)
• ssh_packet_priority_get_try(9)
• ssh_packet_priority_get_base(9)
• struct ssh_packet_ops(9)
• struct ssh_packet(9)
• ssh_packet_set_data(9)
• struct ssh_request_ops(9)
• struct ssh_request(9)
• to_ssh_request(9)
• ssh_request_get(9)
• ssh_request_put(9)
• ssh_request_set_data(9)

that's the whole roster. iykyk. 💀🌸

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🧚 friendly reminder: this is a macro, so field needs to be something she can take the offset of — that's just how offsetof-style vibes work, bestie. go off. 🫶

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so anyway, this page came out of ./include/linux/surface_aggreg... and it's dated October 2026 (yes, future queen behavior ⭐) — signed off with love by SSH_MSGOFFSET_COMMAND(9), xoxo. 🎀💖