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[ Upstream commitc68681ae46] If the netdevice is within a container and communicates externally through network technologies such as VxLAN, we won't be able to find routing information in the init_net namespace. To address this issue, we need to add a struct net parameter to the smc_ib_find_route function. This allow us to locate the routing information within the corresponding net namespace, ensuring the correct completion of the SMC CLC interaction. Fixes:e5c4744cfb("net/smc: add SMC-Rv2 connection establishment") Signed-off-by: Albert Huang <huangjie.albert@bytedance.com> Reviewed-by: Dust Li <dust.li@linux.alibaba.com> Reviewed-by: Wenjia Zhang <wenjia@linux.ibm.com> Link: https://lore.kernel.org/r/20231011074851.95280-1-huangjie.albert@bytedance.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>