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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f8f2147150
Pass in the netlink flags (NLM_F_*) into switchdev driver for IPv4 FIB add op to allow driver to 1) optimize hardware updates, 2) handle ip route prepend and append commands correctly. Suggested-by: Jamal Hadi Salim <jhs@mojatatu.com> Suggested-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
141 lines
3.7 KiB
C
141 lines
3.7 KiB
C
/*
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* include/net/switchdev.h - Switch device API
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* Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
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* Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef _LINUX_SWITCHDEV_H_
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#define _LINUX_SWITCHDEV_H_
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#include <linux/netdevice.h>
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#include <linux/notifier.h>
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enum netdev_switch_notifier_type {
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NETDEV_SWITCH_FDB_ADD = 1,
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NETDEV_SWITCH_FDB_DEL,
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};
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struct netdev_switch_notifier_info {
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struct net_device *dev;
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};
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struct netdev_switch_notifier_fdb_info {
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struct netdev_switch_notifier_info info; /* must be first */
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const unsigned char *addr;
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u16 vid;
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};
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static inline struct net_device *
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netdev_switch_notifier_info_to_dev(const struct netdev_switch_notifier_info *info)
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{
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return info->dev;
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}
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#ifdef CONFIG_NET_SWITCHDEV
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int netdev_switch_parent_id_get(struct net_device *dev,
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struct netdev_phys_item_id *psid);
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int netdev_switch_port_stp_update(struct net_device *dev, u8 state);
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int register_netdev_switch_notifier(struct notifier_block *nb);
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int unregister_netdev_switch_notifier(struct notifier_block *nb);
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int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
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struct netdev_switch_notifier_info *info);
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int netdev_switch_port_bridge_setlink(struct net_device *dev,
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struct nlmsghdr *nlh, u16 flags);
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int netdev_switch_port_bridge_dellink(struct net_device *dev,
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struct nlmsghdr *nlh, u16 flags);
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int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev,
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struct nlmsghdr *nlh, u16 flags);
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int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev,
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struct nlmsghdr *nlh, u16 flags);
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int netdev_switch_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
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u8 tos, u8 type, u32 nlflags, u32 tb_id);
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int netdev_switch_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
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u8 tos, u8 type, u32 tb_id);
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void netdev_switch_fib_ipv4_abort(struct fib_info *fi);
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#else
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static inline int netdev_switch_parent_id_get(struct net_device *dev,
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struct netdev_phys_item_id *psid)
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{
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return -EOPNOTSUPP;
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}
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static inline int netdev_switch_port_stp_update(struct net_device *dev,
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u8 state)
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{
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return -EOPNOTSUPP;
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}
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static inline int register_netdev_switch_notifier(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int unregister_netdev_switch_notifier(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int call_netdev_switch_notifiers(unsigned long val, struct net_device *dev,
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struct netdev_switch_notifier_info *info)
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{
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return NOTIFY_DONE;
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}
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static inline int netdev_switch_port_bridge_setlink(struct net_device *dev,
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struct nlmsghdr *nlh,
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u16 flags)
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{
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return -EOPNOTSUPP;
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}
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static inline int netdev_switch_port_bridge_dellink(struct net_device *dev,
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struct nlmsghdr *nlh,
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u16 flags)
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{
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return -EOPNOTSUPP;
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}
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static inline int ndo_dflt_netdev_switch_port_bridge_dellink(struct net_device *dev,
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struct nlmsghdr *nlh,
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u16 flags)
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{
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return 0;
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}
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static inline int ndo_dflt_netdev_switch_port_bridge_setlink(struct net_device *dev,
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struct nlmsghdr *nlh,
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u16 flags)
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{
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return 0;
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}
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static inline int netdev_switch_fib_ipv4_add(u32 dst, int dst_len,
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struct fib_info *fi,
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u8 tos, u8 type,
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u32 nlflags, u32 tb_id)
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{
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return 0;
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}
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static inline int netdev_switch_fib_ipv4_del(u32 dst, int dst_len,
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struct fib_info *fi,
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u8 tos, u8 type, u32 tb_id)
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{
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return 0;
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}
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static inline void netdev_switch_fib_ipv4_abort(struct fib_info *fi)
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{
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}
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#endif
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#endif /* _LINUX_SWITCHDEV_H_ */
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