sfc_ef100: helper function to set default RSS table of given size

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/sfc/mcdi_filters.c b/drivers/net/ethernet/sfc/mcdi_filters.c
index 283f68264b66177113d8bdff45362e27ff99f385..5a74d880b733839b7a19019018a573fa50781dce 100644 (file)
--- a/drivers/net/ethernet/sfc/mcdi_filters.c
+++ b/drivers/net/ethernet/sfc/mcdi_filters.c
@@ -2276,3 +2276,24 @@ int efx_mcdi_vf_rx_push_rss_config(struct efx_nic *efx, bool user,
                return 0;
        return efx_mcdi_filter_rx_push_shared_rss_config(efx, NULL);
 }
+
+int efx_mcdi_push_default_indir_table(struct efx_nic *efx,
+                                     unsigned int rss_spread)
+{
+       int rc = 0;
+
+       if (efx->rss_spread == rss_spread)
+               return 0;
+
+       efx->rss_spread = rss_spread;
+       if (!efx->filter_state)
+               return 0;
+
+       efx_mcdi_rx_free_indir_table(efx);
+       if (rss_spread > 1) {
+               efx_set_default_rx_indir_table(efx, &efx->rss_context);
+               rc = efx->type->rx_push_rss_config(efx, false,
+                                  efx->rss_context.rx_indir_table, NULL);
+       }
+       return rc;
+}

diff --git a/drivers/net/ethernet/sfc/mcdi_filters.h b/drivers/net/ethernet/sfc/mcdi_filters.h
index 23f9d08d071dce5771dfbb13e801356eb78274c7..06426aa9f2f37e8761c721db25c86ff704564425 100644 (file)
--- a/drivers/net/ethernet/sfc/mcdi_filters.h
+++ b/drivers/net/ethernet/sfc/mcdi_filters.h
@@ -155,6 +155,8 @@ int efx_mcdi_vf_rx_push_rss_config(struct efx_nic *efx, bool user,
                                   __attribute__ ((unused)),
                                   const u8 *key
                                   __attribute__ ((unused)));
+int efx_mcdi_push_default_indir_table(struct efx_nic *efx,
+                                     unsigned int rss_spread);
 int efx_mcdi_rx_pull_rss_config(struct efx_nic *efx);
 int efx_mcdi_rx_pull_rss_context_config(struct efx_nic *efx,
                                        struct efx_rss_context *ctx);