vdpa/sfc: set multicast filter during init

Insert unknown multicast filter to allow IPv6 neighbor discovery

Signed-off-by: Vijay Kumar Srivastava <vsrivast@xilinx.com>
Acked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

diff --git a/drivers/vdpa/sfc/sfc_vdpa.h b/drivers/vdpa/sfc/sfc_vdpa.h
index b4d43a8deae8bdbefa9eea8b1b4d73f0d4a94adc..daeb27d4cd4cf8f1b9938529d37fe5e47f1d9739 100644 (file)
--- a/drivers/vdpa/sfc/sfc_vdpa.h
+++ b/drivers/vdpa/sfc/sfc_vdpa.h
@@ -20,7 +20,7 @@
 #define SFC_VDPA_DEFAULT_MCDI_IOVA             0x200000000000
 
 /* Broadcast & Unicast MAC filters are supported */
-#define SFC_MAX_SUPPORTED_FILTERS              2
+#define SFC_MAX_SUPPORTED_FILTERS              3
 
 /*
  * Get function-local index of the associated VI from the
@@ -31,6 +31,7 @@
 enum sfc_vdpa_filter_type {
        SFC_VDPA_BCAST_MAC_FILTER = 0,
        SFC_VDPA_UCAST_MAC_FILTER = 1,
+       SFC_VDPA_MCAST_DST_FILTER = 2,
        SFC_VDPA_FILTER_NTYPE
 };
 

diff --git a/drivers/vdpa/sfc/sfc_vdpa_filter.c b/drivers/vdpa/sfc/sfc_vdpa_filter.c
index 6d884a572a0bd1390ab971e952aa4f6bb3822066..73cc396cb0b7c47747102a06caff27100c4132e9 100644 (file)
--- a/drivers/vdpa/sfc/sfc_vdpa_filter.c
+++ b/drivers/vdpa/sfc/sfc_vdpa_filter.c
@@ -38,8 +38,12 @@ sfc_vdpa_set_mac_filter(efx_nic_t *nic, efx_filter_spec_t *spec,
        spec->efs_flags = EFX_FILTER_FLAG_RX;
        spec->efs_dmaq_id = qid;
 
-       rc = efx_filter_spec_set_eth_local(spec, EFX_FILTER_SPEC_VID_UNSPEC,
-                                          eth_addr);
+       if (eth_addr == NULL)
+               rc = efx_filter_spec_set_mc_def(spec);
+       else
+               rc = efx_filter_spec_set_eth_local(spec,
+                                                  EFX_FILTER_SPEC_VID_UNSPEC,
+                                                  eth_addr);
        if (rc != 0)
                return rc;
 
@@ -101,9 +105,19 @@ int sfc_vdpa_filter_config(struct sfc_vdpa_ops_data *ops_data)
 
        rc = sfc_vdpa_set_mac_filter(nic, spec, qid,
                                     ucast_eth_addr.addr_bytes);
+       if (rc != 0)
+               sfc_vdpa_err(sva, "unicast MAC filter insertion failed: %s",
+                            rte_strerror(rc));
+       else
+               sva->filters.filter_cnt++;
+
+       sfc_vdpa_log_init(sva, "insert unknown mcast filter");
+       spec = &sva->filters.spec[SFC_VDPA_MCAST_DST_FILTER];
+
+       rc = sfc_vdpa_set_mac_filter(nic, spec, qid, NULL);
        if (rc != 0)
                sfc_vdpa_err(sva,
-                            "unicast MAC filter insertion failed: %s",
+                            "mcast filter insertion failed: %s",
                             rte_strerror(rc));
        else
                sva->filters.filter_cnt++;