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net/ice: support flow redirect

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Add a new ops "redirect" to flow engine, it's used to implement the
function that redirect a flow's destination. Currently only support
VSI-Redirect which will be used by DCF for handling VF-VSI mapping
table change.
A new API "ice_flow_redirect" is exposed, current usage is: it could
be called when there's VF-VSI mapping table change caused by VF reset.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Qiming Yang <qiming.yang@intel.com>
This commit is contained in:
Beilei Xing 2020-03-31 01:38:52 +08:00 committed by Ferruh Yigit
parent a4e6ea97a5
commit bc9201388d
2 changed files with 43 additions and 0 deletions
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22
drivers/net/ice/ice_generic_flow.c
View File

@ -1961,3 +1961,25 @@ ice_flow_query(struct rte_eth_dev *dev,
}
return ret;
}
int
ice_flow_redirect(struct ice_adapter *ad,
struct ice_flow_redirect *rd)
{
struct ice_pf *pf = &ad->pf;
struct rte_flow *p_flow;
void *temp;
int ret;
TAILQ_FOREACH_SAFE(p_flow, &pf->flow_list, node, temp) {
if (!p_flow->engine->redirect)
continue;
ret = p_flow->engine->redirect(ad, p_flow, rd);
if (ret) {
PMD_DRV_LOG(ERR, "Failed to redirect flows");
return ret;
}
}
return 0;
}

21
drivers/net/ice/ice_generic_flow.h
View File

@ -417,6 +417,20 @@ struct ice_pattern_match_item {
void *meta;
};
enum ice_flow_redirect_type {
ICE_FLOW_REDIRECT_VSI,
};
struct ice_flow_redirect {
enum ice_flow_redirect_type type;
union {
struct {
uint16_t vsi_handle;
uint16_t new_vsi_num;
};
};
};
typedef int (*engine_init_t)(struct ice_adapter *ad);
typedef void (*engine_uninit_t)(struct ice_adapter *ad);
typedef int (*engine_create_t)(struct ice_adapter *ad,
@ -430,6 +444,9 @@ typedef int (*engine_query_t)(struct ice_adapter *ad,
struct rte_flow *flow,
struct rte_flow_query_count *count,
struct rte_flow_error *error);
typedef int(*engine_redirect_t)(struct ice_adapter *ad,
struct rte_flow *flow,
struct ice_flow_redirect *redirect);
typedef void (*engine_free_t) (struct rte_flow *flow);
typedef int (*parse_pattern_action_t)(struct ice_adapter *ad,
struct ice_pattern_match_item *array,
@ -447,6 +464,7 @@ struct ice_flow_engine {
engine_create_t create;
engine_destroy_t destroy;
engine_query_t query_count;
engine_redirect_t redirect;
engine_free_t free;
enum ice_flow_engine_type type;
};
@ -485,4 +503,7 @@ ice_search_pattern_match_item(const struct rte_flow_item pattern[],
struct ice_pattern_match_item *array,
uint32_t array_len,
struct rte_flow_error *error);
int
ice_flow_redirect(struct ice_adapter *ad,
struct ice_flow_redirect *rd);
#endif