On 2016-01-21 at 00:20:01 +0100, Vadim Kochan <[email protected]> wrote:
> Add syntax to specify IPv4 header fields:
>
> { ip(df, mf, frag=100, prot=0x1, ecn=2, dscp=20) }
>
> Signed-off-by: Vadim Kochan <[email protected]>
> ---
> trafgen_lexer.l | 15 +++++++++++++++
> trafgen_parser.y | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 66 insertions(+)
>
> diff --git a/trafgen_lexer.l b/trafgen_lexer.l
> index 9bbd982..b9bcd10 100644
> --- a/trafgen_lexer.l
> +++ b/trafgen_lexer.l
> @@ -117,8 +117,23 @@ ip_addr ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)
> "resp"|"reply" { return F_RESP; }
> "op" { return F_OPER; }
>
> +"ihl" { return F_IHL; }
> +"ver" { return F_VER; }
Maybe add "version" here as well?
> +"ttl" { return F_TTL; }
> +"dscp" { return F_DSCP; }
> +"ecn" { return F_ECN; }
> +"tos" { return F_TOS; }
> +"len" { return F_LEN; }
"length"?
> +"id" { return F_ID; }
> +"flags" { return F_FLAGS; }
> +"frag" { return F_FRAG; }
> +"csum" { return F_CSUM; }
> +"df" { return F_DF; }
> +"mf" { return F_MF; }
> +
> "eth" { return P_ETH; }
> "arp" { return P_ARP; }
> +"ip" { return P_IP4; }
I think this should be "ip4" or "ipv4" (or both), in order to be
consistent with a possible future extension to support IPv6.
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