Comments (6)
jhsmt
commented on August 15, 2024
1
On Thu, Dec 7, 2023 at 6:10 PM Riff ***@***.***> wrote:
@jhsmt <https://github.com/jhsmt> , yes. in the current supported
scenarios, such as VNET, PrivateLink and etc, the TCP options are not used,
hence not parsed.
Ok, I think we can close this issue then.
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KrisNey-MSFT
commented on August 15, 2024
Will take a look and get back re: this. @sharmasushant
Do we want a DASH device to be able to look past IPv4 options (to ask another way).
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jafingerhut
commented on August 15, 2024
For example, even if a DASH device does not need to pay careful attention to the contents of IPv4 options, if present, is it important that a DASH device be able to skip over IPv4 options in order to find the L4 header, and if it is TCP or UDP, extract the source & destination port from the packet in order to perform DASH ACL classification, and/or matching the packet against a cached flow record in the fast path.
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jhsmt
commented on August 15, 2024
On Wed, Dec 6, 2023 at 12:07 PM Andy Fingerhut ***@***.***> wrote:
For example, even if a DASH device does not need to pay careful attention
to the *contents* of IPv4 options, if present, is it important that a
DASH device be able to *skip over* IPv4 options in order to find the L4
header, and if it is TCP or UDP, extract the source & destination port from
the packet in order to perform DASH ACL classification, and/or matching the
packet against a cached flow record in the fast path.
Assuming that DASH does not care about anything beyond the transport header
or any transport header options then this is a reasonable explanation.
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r12f
commented on August 15, 2024
@jhsmt , yes. in the current supported scenarios, such as VNET, PrivateLink and etc, the TCP options are not used, hence not parsed.
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chrispsommers
commented on August 15, 2024
Closed per author's advice.
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Related Issues (20)
- SAI headers uses in dash pipeline issue HOT 12
- Proposal to move libsai.so utils.cpp constructor to sai_api_initialize() function HOT 13
- libsai test uses internal implementation api, should use sai_api_query to obtain pointers HOT 3
- [SAI] wrong code generated in libsai HOT 21
- clarification on optional counters HOT 3
- Removal of P4 for ACL Tags HOT 2
- what is a flow ? HOT 3
- Not optimal build process for DASH repo, SAI and saithrift HOT 7
- Clarification on Service Tunnel Inbound Processing HOT 8
- Why dash_sai_create_dash_acl_rule create multiple SAI_OBJECT_TYPE_DASH_ACL_RULE objects? HOT 28
- saiapi.j2 change causes for "create and set" flag to be changed HOT 1
- SAI generation for ternary key leads to all fields be mandatory on create HOT 2
- SAI API meter flags not mandatory on meter class HOT 4
- p4 compile attempting to run parallel docker compile HOT 5
- 10.1.2.5 does not exist in sample but is mentioned in the description HOT 7
- DASH_ROUTE_TABLE:{{eni}}:{{prefix}} , eni should be "eni" should be more descriptive HOT 1
- techonology - wrong word in dict HOT 2
- Missing documentation for vnet peering and PL, ST HOT 2
- BMv2 SAI failed to add a default route with DROP action but no next hop; track underlay route HOT 10
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