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Rebase#359

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NareshM1702 wants to merge 3 commits into
topic/RDKB-65607from
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Rebase#359
NareshM1702 wants to merge 3 commits into
topic/RDKB-65607from
develop

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satish-kotapati and others added 3 commits June 25, 2026 21:01
…#80)

Reason for change: Utopia should have an option to not build mcast
sources if it is not required on the platform
Test Procedure: binary presence based on the flag enablement
Risks: None

Signed-off-by: sai satish kotapati  <skotapati@maxlinear.com>
Co-authored-by: Santosh Nayak <70348540+snayak002c@users.noreply.github.com>
…T postrouting chains by protocol (#327)

Reason for change: 
Reduced the rate of new connections by adjusting existing SNAT rules to
mitigate an internal kernel race condition. Additionally, MAP-T NAT
postrouting rules were separated into distinct TCP, UDP, and ICMP
chains, enabling protocol-specific SNAT and hashlimit application. This
enhances NAT46/MAP-T processing and ensures accurate, per-protocol rate
limiting.

Test Procedure: 
1. Verify creation of postrouting_towan_tcp, postrouting_towan_udp,
   and postrouting_towan_icmp chains in iptables.
2. Confirm SNAT rules are applied correctly for TCP, UDP, and ICMP
   with expected port ranges and hashlimit behavior.
3. Validate connectivity for IPv4 clients behind MAPT/NAT46 setup.

Risks: Low
Priority: P1
Gerrit change-Id's: If42a964aa73e89e95928c0193e032c26f265dc4d,
I621e8fdf51c00ff24315a52452d4ea8f50b62075

---------

Signed-off-by: Santosh Nayak SantoshRamesh_Nayak@cable.comcast.com
Co-authored-by: Harnish Patel <Harnish_Patel@comcast.com>
Co-authored-by: Santosh <SantoshRamesh_Nayak@cable.comcast.com>
Co-authored-by: Santosh Nayak <70348540+snayak002c@users.noreply.github.com>
Co-authored-by: Harnish Patel <163233851+hpatel006c@users.noreply.github.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Santosh Nayak <70348540+snayak002c@users.noreply.github.com>
Copilot AI review requested due to automatic review settings July 1, 2026 09:44
@NareshM1702
NareshM1702 requested review from a team as code owners July 1, 2026 09:44
@NareshM1702 NareshM1702 closed this Jul 1, 2026
@github-actions github-actions Bot locked and limited conversation to collaborators Jul 1, 2026
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4 participants