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app/testpmd: add commands to modify TTL

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add commands which supports following TTL actions:
- RTE_FLOW_ACTION_TYPE_DEC_TTL
- RTE_FLOW_ACTION_TYPE_SET_TTL

Signed-off-by: Xiaoyu Min <jackmin@mellanox.com>
Acked-by: Yongseok Koh <yskoh@mellanox.com>
This commit is contained in:
Xiaoyu Min 2018-10-16 08:14:27 +00:00 committed by Ferruh Yigit
parent 6f1c2168bc
commit 708d0bcb72
2 changed files with 39 additions and 0 deletions
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34
app/test-pmd/cmdline_flow.c
View File

@ -256,6 +256,9 @@ enum index {
ACTION_SET_TP_DST,
ACTION_SET_TP_DST_TP_DST,
ACTION_MAC_SWAP,
ACTION_DEC_TTL,
ACTION_SET_TTL,
ACTION_SET_TTL_TTL,
};
/** Maximum size for pattern in struct rte_flow_item_raw. */
@ -836,6 +839,8 @@ static const enum index next_action[] = {
ACTION_SET_TP_SRC,
ACTION_SET_TP_DST,
ACTION_MAC_SWAP,
ACTION_DEC_TTL,
ACTION_SET_TTL,
ZERO,
};
@ -974,6 +979,12 @@ static const enum index action_set_tp_dst[] = {
ZERO,
};
static const enum index action_set_ttl[] = {
ACTION_SET_TTL_TTL,
ACTION_NEXT,
ZERO,
};
static const enum index action_jump[] = {
ACTION_JUMP_GROUP,
ACTION_NEXT,
@ -2636,6 +2647,29 @@ static const struct token token_list[] = {
.next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
.call = parse_vc,
},
[ACTION_DEC_TTL] = {
.name = "dec_ttl",
.help = "decrease network TTL if available",
.priv = PRIV_ACTION(DEC_TTL, 0),
.next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
.call = parse_vc,
},
[ACTION_SET_TTL] = {
.name = "set_ttl",
.help = "set ttl value",
.priv = PRIV_ACTION(SET_TTL,
sizeof(struct rte_flow_action_set_ttl)),
.next = NEXT(action_set_ttl),
.call = parse_vc,
},
[ACTION_SET_TTL_TTL] = {
.name = "ttl_value",
.help = "new ttl value to set",
.next = NEXT(action_set_ttl, NEXT_ENTRY(UNSIGNED)),
.args = ARGS(ARGS_ENTRY_HTON
(struct rte_flow_action_set_ttl, ttl_value)),
.call = parse_vc_conf,
},
};
/** Remove and return last entry from argument stack. */

5
doc/guides/testpmd_app_ug/testpmd_funcs.rst
View File

@ -3802,6 +3802,11 @@ This section lists supported actions and their attributes, if any.
- ``mac_swap``: Swap the source and destination MAC addresses in the outermost
Ethernet header.
- ``dec_ttl``: Performs a decrease TTL value action
- ``set_ttl``: Set TTL value with specificed value
- ``ttl_value {unsigned}``: The new TTL value to be set
Destroying flow rules
~~~~~~~~~~~~~~~~~~~~~