On Fri, 11 Sep 2026 22:03:27 -0700 Narcisa Vasile wrote: > Add four new test cases that validate coalescing > under increased size limits (BIG TCP): > > big_tcp_data_same > - validates that equal-sized segments coalesce past > the legacy IP_MAXPACKET limit. > big_tcp_data_lrg_sml > - validates that a smaller final segment coalesces into the > previous chain of large-sized segments while crossing the > IP_MAXPACKET limit. > big_tcp_tcp_seq > - validates that a packet with a wrong sequence number doesn't > coalesce. The test uses a sequence number for which the low 16 bits > correspond to the correct sequence number to validate against > truncation bugs, since total aggregate length crosses over the > legacy size limit for BIG TCP. > big_tcp_large_max > - validates that coalescing stops at the configured BIG TCP limit. Still failing:
https://netdev-ctrl.bots.linux.dev/logs/vmksft/net-drv-dbg/results/819882/3-gro-sw-py/stdout https://netdev-ctrl.bots.linux.dev/logs/vmksft/net-drv-dbg/results/819882/3-gro-sw-py-retry/stdout Grep gro_lib.py for KSFT_MACHINE_SLOW Then the 15x increase is probably unnecessary/too high as well, since we GRO 64k 128k shouldn't need more than 2x ?

