i40e: Reprogram port offloads after reset

This patch corrects a major oversight in that we were not reprogramming the
ports after a reset.  As a result we completely lost all of the Rx tunnel
offloads on receive including Rx checksum, RSS on inner headers, and ATR.

The fix for this is pretty standard as all we needed to do is reset the
filter bits to pending for all active filters and schedule the sync event.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Orabug: 26785018
(cherry picked from commit 1f190d9369487c1edfaea4d892231a62ea8206cc)
Signed-off-by: Jack Vogel <jack.vogel@oracle.com>
Reviewed-by: Kyle Fortin <kyle.fortin@oracle.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 49d4b0148f9ae51ee478774c93e2b0195d078052..c57c934ea8b363c505fa021037b49314d6f3af7f 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -7381,6 +7381,23 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf)
        i40e_flush(hw);
 }
 
+/**
+ * i40e_sync_udp_filters - Trigger a sync event for existing UDP filters
+ * @pf: board private structure
+ **/
+static void i40e_sync_udp_filters(struct i40e_pf *pf)
+{
+       int i;
+
+       /* loop through and set pending bit for all active UDP filters */
+       for (i = 0; i < I40E_MAX_PF_UDP_OFFLOAD_PORTS; i++) {
+               if (pf->udp_ports[i].port)
+                       pf->pending_udp_bitmap |= BIT_ULL(i);
+       }
+
+       pf->flags |= I40E_FLAG_UDP_FILTER_SYNC;
+}
+
 /**
  * i40e_sync_udp_filters_subtask - Sync the VSI filter list with HW
  * @pf: board private structure
@@ -10835,6 +10852,9 @@ static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit)
 
        i40e_ptp_init(pf);
 
+       /* repopulate tunnel port filters */
+       i40e_sync_udp_filters(pf);
+
        return ret;
 }