On 17-07-31 08:37 PM, Amritha Nambiar wrote:
The Mirred/redirect action is extended to forward to a traffic class on the device. The traffic class index needs to be provided in addition to the device's ifindex.Example: # tc filter add dev eth0 protocol ip parent ffff: prio 1 flower\ dst_ip 192.168.1.1/32 ip_proto udp dst_port 22\ skip_sw indev eth0 action mirred ingress redirect dev eth0 tc 1 Signed-off-by: Amritha Nambiar <amritha.namb...@intel.com> --- include/net/tc_act/tc_mirred.h | 7 +++++++ include/uapi/linux/tc_act/tc_mirred.h | 5 +++++ net/sched/act_mirred.c | 17 +++++++++++++++++ 3 files changed, 29 insertions(+) diff --git a/include/net/tc_act/tc_mirred.h b/include/net/tc_act/tc_mirred.h index 604bc31..60058c4 100644 --- a/include/net/tc_act/tc_mirred.h +++ b/include/net/tc_act/tc_mirred.h @@ -9,6 +9,8 @@ struct tcf_mirred { int tcfm_eaction; int tcfm_ifindex; bool tcfm_mac_header_xmit; + u8 tcfm_tc; + u32 flags; struct net_device __rcu *tcfm_dev; struct list_head tcfm_list; }; @@ -37,4 +39,9 @@ static inline int tcf_mirred_ifindex(const struct tc_action *a) return to_mirred(a)->tcfm_ifindex; }+static inline int tcf_mirred_tc(const struct tc_action *a)+{ + return to_mirred(a)->tcfm_tc; +} + #endif /* __NET_TC_MIR_H */ diff --git a/include/uapi/linux/tc_act/tc_mirred.h b/include/uapi/linux/tc_act/tc_mirred.h index 3d7a2b3..8ff4d76 100644 --- a/include/uapi/linux/tc_act/tc_mirred.h +++ b/include/uapi/linux/tc_act/tc_mirred.h @@ -9,6 +9,10 @@ #define TCA_EGRESS_MIRROR 2 /* mirror packet to EGRESS */ #define TCA_INGRESS_REDIR 3 /* packet redirect to INGRESS*/ #define TCA_INGRESS_MIRROR 4 /* mirror packet to INGRESS */ + +#define MIRRED_F_TC_MAP 0x1 +#define MIRRED_TC_MAP_MAX 0x10
Assuming this is the max number of queues? Where does this upper bound come from? Is it a spec or an intel thing? If spec - mentioning which spec and section would be useful. cheers, jamal
