[PATCH v2 net-next 16/16] sfc_ef100: helper function to set default RSS table of given size

[Edward Cree]

Signed-off-by: Edward Cree <ec...@solarflare.com>
---
 drivers/net/ethernet/sfc/mcdi_filters.c | 21 +++++++++++++++++++++
 drivers/net/ethernet/sfc/mcdi_filters.h |  2 ++
 2 files changed, 23 insertions(+)

diff --git a/drivers/net/ethernet/sfc/mcdi_filters.c 
b/drivers/net/ethernet/sfc/mcdi_filters.c
index 283f68264b66..5a74d880b733 100644
--- 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 23f9d08d071d..06426aa9f2f3 100644
--- 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);