net/sfc: add representors proxy infrastructure

[dpdk.git] / drivers / net / sfc / sfc.c

diff --git a/drivers/net/sfc/sfc.c b/drivers/net/sfc/sfc.c
index cd2c97f..591b897 100644 (file)
--- a/drivers/net/sfc/sfc.c
+++ b/drivers/net/sfc/sfc.c
@@ -27,6 +27,25 @@
 #include "sfc_sw_stats.h"
 
 
+bool
+sfc_repr_supported(const struct sfc_adapter *sa)
+{
+       if (!sa->switchdev)
+               return false;
+
+       /*
+        * Representor proxy should use service lcore on PF's socket
+        * (sa->socket_id) to be efficient. But the proxy will fall back
+        * to any socket if it is not possible to get the service core
+        * on the same socket. Check that at least service core on any
+        * socket is available.
+        */
+       if (sfc_get_service_lcore(SOCKET_ID_ANY) == RTE_MAX_LCORE)
+               return false;
+
+       return true;
+}
+
 int
 sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
              size_t len, int socket_id, efsys_mem_t *esmp)
@@ -434,9 +453,16 @@ sfc_try_start(struct sfc_adapter *sa)
        if (rc != 0)
                goto fail_flows_insert;
 
+       rc = sfc_repr_proxy_start(sa);
+       if (rc != 0)
+               goto fail_repr_proxy_start;
+
        sfc_log_init(sa, "done");
        return 0;
 
+fail_repr_proxy_start:
+       sfc_flow_stop(sa);
+
 fail_flows_insert:
        sfc_tx_stop(sa);
 
@@ -540,6 +566,7 @@ sfc_stop(struct sfc_adapter *sa)
 
        sa->state = SFC_ADAPTER_STOPPING;
 
+       sfc_repr_proxy_stop(sa);
        sfc_flow_stop(sa);
        sfc_tx_stop(sa);
        sfc_rx_stop(sa);
@@ -899,6 +926,10 @@ sfc_attach(struct sfc_adapter *sa)
        if (rc != 0)
                goto fail_mae_switchdev_init;
 
+       rc = sfc_repr_proxy_attach(sa);
+       if (rc != 0)
+               goto fail_repr_proxy_attach;
+
        sfc_log_init(sa, "fini nic");
        efx_nic_fini(enp);
 
@@ -927,6 +958,9 @@ fail_sriov_vswitch_create:
 
 fail_sw_xstats_init:
        sfc_flow_fini(sa);
+       sfc_repr_proxy_detach(sa);
+
+fail_repr_proxy_attach:
        sfc_mae_switchdev_fini(sa);
 
 fail_mae_switchdev_init:
@@ -976,6 +1010,7 @@ sfc_detach(struct sfc_adapter *sa)
 
        sfc_flow_fini(sa);
 
+       sfc_repr_proxy_detach(sa);
        sfc_mae_switchdev_fini(sa);
        sfc_mae_detach(sa);
        sfc_mae_counter_rxq_detach(sa);