Single branch specified, using that and the previous one:
   remotes/brancher/net-next-2026-01-03--12-00 (v6.19-rc3-207-gedc5aa084875)
   remotes/brancher/net-next-2026-01-03--15-00 (v6.19-rc3-220-g2bd6bacb5076)

==== BASE IDENTICAL ====
==== COMMIT DIFF ====
diff --git a/tmp/tmp.9Zzq3waCNu b/tmp/tmp.h5SrlnNAx9
index a772006a2bd0..c0e4eb313bdc 100644
--- a/tmp/tmp.9Zzq3waCNu
+++ b/tmp/tmp.h5SrlnNAx9
@@ -11,6 +11,19 @@ nipa: config: x86: use periodic HZ tick
 nipa: profile (time) test output
 nipa: config: disable CPU_MITIGATIONS
 nipa: disable random kunit tests
+tcp: accecn: enable AccECN
+tcp: accecn: detect loss ACK w/ AccECN option and add TCP_ACCECN_OPTION_PERSIST
+tcp: accecn: fallback outgoing half link to non-AccECN
+tcp: accecn: unset ECT if receive or send ACE=0 in AccECN negotiaion
+tcp: accecn: retransmit SYN/ACK without AccECN option or non-AccECN SYN/ACK
+tcp: add TCP_SYNACK_RETRANS synack_type
+tcp: accecn: retransmit downgraded SYN in AccECN negotiation
+tcp: accecn: handle unexpected AccECN negotiation feedback
+tcp: disable RFC3168 fallback identifier for CC modules
+tcp: ECT_1_NEGOTIATION and NEEDS_ACCECN identifiers
+selftests/net: gro: add self-test for TCP CWR flag
+gro: flushing when CWR is set negatively affects AccECN
+tcp: try to avoid safer when ACKs are thinned
 net: dlink: mask rx_coalesce/rx_timeout before writing RxDMAIntCtrl
 udp: add drop count for packets in udp_prod_queue
 net: mana: Implement ndo_tx_timeout and serialize queue resets per port.