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author | Trygve Laugstøl <trygvis@inamo.no> | 2018-04-27 02:17:52 +0200 |
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committer | Trygve Laugstøl <trygvis@inamo.no> | 2018-04-27 02:17:52 +0200 |
commit | 198bd175e3dea90041b1e183d5b337dc26d0e848 (patch) | |
tree | 7765bebadb331bf7d239ed66abef02885454b01f /slides/images/ip-header.pgf | |
parent | 7fe4e05705b4df82e8d710e432cb8f5fb79222bf (diff) | |
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wip
Diffstat (limited to 'slides/images/ip-header.pgf')
-rw-r--r-- | slides/images/ip-header.pgf | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/slides/images/ip-header.pgf b/slides/images/ip-header.pgf new file mode 100644 index 0000000..25c506c --- /dev/null +++ b/slides/images/ip-header.pgf @@ -0,0 +1,53 @@ +\scalebox{0.5}{ +\begin{tikzpicture}[ +every node/.style={font=\bfseries}, +basebox/.style={anchor=north west, minimum height=2em, draw, rectangle}, +bitbox/.style={basebox, minimum width=2em}, +bytebox/.style={basebox, minimum width=16em}, +wordbox/.style={basebox, minimum width=32em}, +qwordbox/.style={basebox, minimum width=64em}, +] + +\path +(-9em, 2em) node[basebox, minimum width=5em] {Offsets} +(-9em, 0em) node[basebox, minimum width=5em] {Octet} +(-4em, 2em) node[basebox, minimum width=4em] {Octet} +(-4em, 0em) node[basebox, minimum width=4em] {Bit} +; + +\foreach \x in {0,...,3} + \node[bytebox] at (\x * 16em, 2em) {\scriptsize \x}; +\foreach \x in {0,...,31} + \node[bitbox] at (\x * 2em, 0em) {\scriptsize \x}; + +\foreach \x in {0,32,...,160} + \node[basebox, minimum width=4em] at (-4em, \x * -1/16*1em - 2em) {\scriptsize \x}; + +\foreach \x in {0,4,...,20} + \node[basebox, minimum width=5em] at (-9em, \x * -0.5em - 2em) {\scriptsize \x}; + +\path +(0em, -1 * 2em) node[basebox, minimum width=8em] {Version} +(8em, -1 * 2em) node[basebox, minimum width=8em] {IHL} +(16em, -1 * 2em) node[basebox, minimum width=16em] {TOS} +(32em, -1 * 2em) node[wordbox] {Packet length} + +(0em, -2 * 2em) node[wordbox] {Identification} +(32em, -2 * 2em) node[bitbox] {X} +(34em, -2 * 2em) node[bitbox] {D} +(36em, -2 * 2em) node[bitbox] {M} +(38em, -2 * 2em) node[basebox, minimum width=26em] {Fragement offset} + +(0em, -3 * 2em) node[bytebox] {TTL} +(16em, -3 * 2em) node[bytebox] {Protocol} +(32em, -3 * 2em) node[wordbox] {Header checksum} + +(0em, -4 * 2em) node[qwordbox] {Source ip address} +(0em, -5 * 2em) node[qwordbox] {Destination ip address} +(0em, -6 * 2em) node[qwordbox] {Options (variable length)} + +%(0em, -7 * 2em) node[qwordbox, minimum height=4 em] {Payload} +; + +\end{tikzpicture} +} |