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Hangbin Liu says: ==================== multicast: init as INCLUDE when join SSM INCLUDE group Based on RFC3376 5.1 and RFC3810 6.1, we should init as INCLUDE when join SSM INCLUDE group. In my first version I only clear the group change record. But this is not enough as when a new group join, it will init as EXCLUDE and trigger an filter mode change in ip/ip6_mc_add_src(), which will clear all source addresses' sf_crcount. This will prevent early joined address sending state change records if multi source addresses joined at the same time. In this v2 patchset, I fixed it by directly initializing the mode to INCLUDE for SSM JOIN_SOURCE_GROUP. I also split the original patch into two separated patches for IPv4 and IPv6. Test: test by myself and customer. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
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