diff options
| author | John Fastabend <john.fastabend@gmail.com> | 2016-02-16 21:17:09 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-02-17 09:47:36 -0500 |
| commit | a1b7c5fd7fe98f51fbbc393ee1fc4c1cdb2f0119 (patch) | |
| tree | aa39ec0662d43efb9739f83877bcf92588f3bcfb /include | |
| parent | 16e5cc647173a97e33b3e3ba81f73eb455561794 (diff) | |
| download | linux-a1b7c5fd7fe98f51fbbc393ee1fc4c1cdb2f0119.tar.gz linux-a1b7c5fd7fe98f51fbbc393ee1fc4c1cdb2f0119.tar.bz2 linux-a1b7c5fd7fe98f51fbbc393ee1fc4c1cdb2f0119.zip | |
net: sched: add cls_u32 offload hooks for netdevs
This patch allows netdev drivers to consume cls_u32 offloads via
the ndo_setup_tc ndo op.
This works aligns with how network drivers have been doing qdisc
offloads for mqprio.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netdevice.h | 6 | ||||
| -rw-r--r-- | include/net/pkt_cls.h | 34 |
2 files changed, 39 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index e396060f815f..47671ce04ac4 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -779,17 +779,21 @@ static inline bool netdev_phys_item_id_same(struct netdev_phys_item_id *a, typedef u16 (*select_queue_fallback_t)(struct net_device *dev, struct sk_buff *skb); -/* This structure holds attributes of qdisc and classifiers +/* These structures hold the attributes of qdisc and classifiers * that are being passed to the netdevice through the setup_tc op. */ enum { TC_SETUP_MQPRIO, + TC_SETUP_CLSU32, }; +struct tc_cls_u32_offload; + struct tc_to_netdev { unsigned int type; union { u8 tc; + struct tc_cls_u32_offload *cls_u32; }; }; diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index bc49967e1a68..59789ca6e2c8 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -358,4 +358,38 @@ tcf_match_indev(struct sk_buff *skb, int ifindex) } #endif /* CONFIG_NET_CLS_IND */ +struct tc_cls_u32_knode { + struct tcf_exts *exts; + u8 fshift; + u32 handle; + u32 val; + u32 mask; + u32 link_handle; + struct tc_u32_sel *sel; +}; + +struct tc_cls_u32_hnode { + u32 handle; + u32 prio; + unsigned int divisor; +}; + +enum tc_clsu32_command { + TC_CLSU32_NEW_KNODE, + TC_CLSU32_REPLACE_KNODE, + TC_CLSU32_DELETE_KNODE, + TC_CLSU32_NEW_HNODE, + TC_CLSU32_REPLACE_HNODE, + TC_CLSU32_DELETE_HNODE, +}; + +struct tc_cls_u32_offload { + /* knode values */ + enum tc_clsu32_command command; + union { + struct tc_cls_u32_knode knode; + struct tc_cls_u32_hnode hnode; + }; +}; + #endif |