On 2/23/23 21:19, Ilya Maximets wrote:
> On 2/23/23 12:27, Chris Mi wrote:
>> Iterate each registered offload API. It's not a problem for today
>> since we only have one implementation.
>>
>> Signed-off-by: Chris Mi <c...@nvidia.com>
>> Reviewed-by: Roi Dayan <r...@nvidia.com>
>> ---
>> lib/netdev-offload.c | 32 ++++++++++++++++++++++++++++++++
>> lib/netdev-offload.h | 4 ++++
>> 2 files changed, 36 insertions(+)
>>
>> diff --git a/lib/netdev-offload.c b/lib/netdev-offload.c
>> index 4592262bd..b333a3b82 100644
>> --- a/lib/netdev-offload.c
>> +++ b/lib/netdev-offload.c
>> @@ -256,6 +256,38 @@ meter_offload_del(ofproto_meter_id meter_id, struct
>> ofputil_meter_stats *stats)
>> return 0;
>> }
>>
>> +int
>> +netdev_offload_recv(struct dpif_upcall *upcall, struct ofpbuf *buf)
>
> Handler id.
>
>> +{
>> + struct netdev_registered_flow_api *rfa;
>> + int ret;
>> +
>> + CMAP_FOR_EACH (rfa, cmap_node, &netdev_flow_apis) {
>> + if (rfa->flow_api->sflow_recv) {
>> + ret = rfa->flow_api->sflow_recv(upcall, buf);
>> + if (ret) {
>> + VLOG_DBG_RL(&rl, "Failed to receive psample packet, error
>> %d, "
>
> No 'sflow' or 'psample' in names or logs.
>
>> + "type: %s", ret, rfa->flow_api->type);
>
> strerror ?
>
>> + return ret;
Also, we should continue on error and return on success.
Current core will call recv() for the next provider when
the first one already returned a packet.
>> + }
>> + }
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +void
>> +netdev_offload_recv_wait(void)
>
> Same.
>
>> +{
>> + struct netdev_registered_flow_api *rfa;
>> +
>> + CMAP_FOR_EACH (rfa, cmap_node, &netdev_flow_apis) {
>> + if (rfa->flow_api->sflow_recv_wait) {
>> + rfa->flow_api->sflow_recv_wait();
>> + }
>> + }
>> +}
>> +
>> int
>> netdev_flow_flush(struct netdev *netdev)
>> {
>> diff --git a/lib/netdev-offload.h b/lib/netdev-offload.h
>> index edc843cd9..e332555ee 100644
>> --- a/lib/netdev-offload.h
>> +++ b/lib/netdev-offload.h
>> @@ -33,6 +33,7 @@ extern "C" {
>>
>> struct dp_packet_batch;
>> struct dp_packet;
>> +struct dpif_upcall;
>> struct netdev_class;
>> struct netdev_rxq;
>> struct netdev_saved_flags;
>> @@ -162,6 +163,9 @@ void meter_offload_set(ofproto_meter_id, struct
>> ofputil_meter_config *);
>> int meter_offload_get(ofproto_meter_id, struct ofputil_meter_stats *);
>> int meter_offload_del(ofproto_meter_id, struct ofputil_meter_stats *);
>>
>> +int netdev_offload_recv(struct dpif_upcall *upcall, struct ofpbuf *buf);
>> +void netdev_offload_recv_wait(void);
>> +
>> #ifdef __cplusplus
>> }
>> #endif
>
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