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Date: Mon, 2 Mar 2015 01:29:11 -0800 From: sfeldma@...il.com To: netdev@...r.kernel.org, davem@...emloft.net, jiri@...nulli.us, roopa@...ulusnetworks.com Subject: [PATCH net-next 0/4] switchdev: add IPv4 routing offload From: Scott Feldman <sfeldma@...il.com> v2: Changes based on v1 review comments and discussions at netconf: - Allow route modification, but use same ndo op used for adding route. Driver/device is expected to modify route in-place, if it can, to avoid interruption of service. - Add new RTNH_F_EXTERNAL flag to mark FIB entries offloaded externally. - Don't offload routes if using custom IP rules. If routes are already offloaded, and custom IP rules are turned on, flush routes from offload device. (Offloaded routes are marked with RTNH_F_EXTERNAL). - Use kernel's neigh resolution code to resolve route's nexthops' neigh MAC addrs. (Thanks davem, works great!). - Use fib->fib_priority in rocker driver to give priorities to routes in OF-DPA unicast route table. v1: This patch set adds L3 routing offload support for IPv4 routes. The idea is to mirror routes installed in the kernel's FIB down to a hardware switch device to offload the data forwarding path for L3. Only the data forwarding path is intercepted. Control and management of the kernel's FIB remains with the kernel. Scott Feldman (4): rtnetlink: add RTNH_F_EXTERNAL flag for fib offload net: add IPv4 routing FIB support for switchdev rocker: implement IPv4 fib offloading switchdev: don't support custom ip rules, for now drivers/net/ethernet/rocker/rocker.c | 517 +++++++++++++++++++++++++++++++--- include/linux/netdevice.h | 22 ++ include/net/ip_fib.h | 2 + include/net/switchdev.h | 19 ++ include/uapi/linux/rtnetlink.h | 1 + net/ipv4/fib_frontend.c | 13 + net/ipv4/fib_rules.c | 3 + net/ipv4/fib_trie.c | 60 +++- net/switchdev/switchdev.c | 99 +++++++ 9 files changed, 688 insertions(+), 48 deletions(-) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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