> -----Original Message-----
> From: Pattan, Reshma
> Sent: Monday, October 8, 2018 10:10 AM
> To: dev@dpdk.org; Dumitrescu, Cristian <cristian.dumitre...@intel.com>;
> Singh, Jasvinder <jasvinder.si...@intel.com>
> Cc: Pattan, Reshma <reshma.pat...@intel.com>
> Subject: [PATCH v3] net/softnic: add flow flush API
>
> Add rte flow flush api for flushing
> all the flows of the port.
>
> Signed-off-by: Reshma Pattan <reshma.pat...@intel.com>
> ---
> v3: Some style related changes
> v2: Use TAILQ_FOREACH_SAFE instead of TAILQ_FOREACH for safe removal
> using TAILQ_REMOVAL.
> ---
> drivers/net/softnic/rte_eth_softnic_flow.c | 47 +++++++++++++++++++++-
> 1 file changed, 46 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/softnic/rte_eth_softnic_flow.c
> b/drivers/net/softnic/rte_eth_softnic_flow.c
> index 03d41bc01..08ea6e940 100644
> --- a/drivers/net/softnic/rte_eth_softnic_flow.c
> +++ b/drivers/net/softnic/rte_eth_softnic_flow.c
> @@ -11,6 +11,7 @@
> #include <rte_string_fns.h>
> #include <rte_flow.h>
> #include <rte_flow_driver.h>
> +#include <rte_tailq.h>
>
> #include "rte_eth_softnic_internals.h"
> #include "rte_eth_softnic.h"
> @@ -1915,6 +1916,50 @@ pmd_flow_destroy(struct rte_eth_dev *dev,
> return 0;
> }
>
> +static int
> +pmd_flow_flush(struct rte_eth_dev *dev,
> + struct rte_flow_error *error)
> +{
> + struct pmd_internals *softnic = dev->data->dev_private;
> + struct pipeline *pipeline;
> + uint32_t i;
> +
> + TAILQ_FOREACH(pipeline, &softnic->pipeline_list, node) {
> + /* Remove all the flows added to the tables. */
> + for (i = 0; i < pipeline->n_tables; i++) {
> + struct softnic_table *table = &pipeline->table[i];
> + struct rte_flow *flow;
> + void *temp;
> + int status;
> +
> + TAILQ_FOREACH_SAFE(flow, &table->flows, node,
> temp) {
> + /* Rule delete. */
> + status = softnic_pipeline_table_rule_delete
> + (softnic,
> + pipeline->name,
> + i,
> + &flow->match);
> + if (status)
> + return rte_flow_error_set(error,
> + EINVAL,
> +
> RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
> + NULL,
> + "Pipeline table rule delete
> failed");
> +
> + /* Update dependencies */
> + if (is_meter_action_enable(softnic, table))
> + flow_meter_owner_reset(softnic,
> flow);
> +
> + /* Flow delete. */
> + TAILQ_REMOVE(&table->flows, flow, node);
> + free(flow);
> + }
> + }
> + }
> +
> + return 0;
> +}
> +
> static int
> pmd_flow_query(struct rte_eth_dev *dev __rte_unused,
> struct rte_flow *flow,
> @@ -1971,7 +2016,7 @@ const struct rte_flow_ops pmd_flow_ops = {
> .validate = pmd_flow_validate,
> .create = pmd_flow_create,
> .destroy = pmd_flow_destroy,
> - .flush = NULL,
> + .flush = pmd_flow_flush,
> .query = pmd_flow_query,
> .isolate = NULL,
> };
> --
> 2.17.1
Acked-by: Jasvinder Singh <jasvinder.si...@intel.com>
