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net/sched: add sample action to the hardware intermediate representation

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Add sample action to the hardware intermediate representation model which
would subsequently allow it to be used by drivers for offload.

Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pieter Jansen van Vuuren 2019-05-04 04:46:16 -07:00 committed by David S. Miller
parent c8f8207ca6
commit a7a7be6087
2 changed files with 15 additions and 0 deletions
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7
include/net/flow_offload.h
View File

@ -118,6 +118,7 @@ enum flow_action_id {
FLOW_ACTION_MARK,
FLOW_ACTION_WAKE,
FLOW_ACTION_QUEUE,
FLOW_ACTION_SAMPLE,
};
/* This is mirroring enum pedit_header_type definition for easy mapping between
@ -157,6 +158,12 @@ struct flow_action_entry {
u32 index;
u8 vf;
} queue;
struct { /* FLOW_ACTION_SAMPLE */
struct psample_group *psample_group;
u32 rate;
u32 trunc_size;
bool truncate;
} sample;
};
};

8
net/sched/cls_api.c
View File

@ -37,6 +37,7 @@
#include <net/tc_act/tc_tunnel_key.h>
#include <net/tc_act/tc_csum.h>
#include <net/tc_act/tc_gact.h>
#include <net/tc_act/tc_sample.h>
#include <net/tc_act/tc_skbedit.h>
extern const struct nla_policy rtm_tca_policy[TCA_MAX + 1];
@ -3257,6 +3258,13 @@ int tc_setup_flow_action(struct flow_action *flow_action,
} else if (is_tcf_skbedit_mark(act)) {
entry->id = FLOW_ACTION_MARK;
entry->mark = tcf_skbedit_mark(act);
} else if (is_tcf_sample(act)) {
entry->id = FLOW_ACTION_SAMPLE;
entry->sample.psample_group =
tcf_sample_psample_group(act);
entry->sample.trunc_size = tcf_sample_trunc_size(act);
entry->sample.truncate = tcf_sample_truncate(act);
entry->sample.rate = tcf_sample_rate(act);
} else {
goto err_out;
}