[PATCH net-next 2/3] i40e: add xdp ring statistics to dump vsi debug output

[Ciara Loftus]

Prior to this, only the rx and tx ring statistics were dumped. The xdp
ring statistics are now dumped as well.

Signed-off-by: Ciara Loftus <ciara.lof...@intel.com>
---
 .../net/ethernet/intel/i40e/i40e_debugfs.c    | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c 
b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
index 99ea543dd245..1c8285fce33f 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -319,6 +319,47 @@ static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int 
seid)
                         i, tx_ring->itr_setting,
                         ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : 
"fixed");
        }
+       if (i40e_enabled_xdp_vsi(vsi)) {
+               for (i = 0; i < vsi->num_queue_pairs; i++) {
+                       struct i40e_ring *xdp_ring = 
READ_ONCE(vsi->xdp_rings[i]);
+
+                       if (!xdp_ring)
+                               continue;
+
+                       dev_info(&pf->pdev->dev,
+                                "    xdp_rings[%i]: state = %lu, queue_index = 
%d, reg_idx = %d\n",
+                                i, *xdp_ring->state,
+                                xdp_ring->queue_index,
+                                xdp_ring->reg_idx);
+                       dev_info(&pf->pdev->dev,
+                                "    xdp_rings[%i]: next_to_use = %d, 
next_to_clean = %d, ring_active = %i\n",
+                                i,
+                                xdp_ring->next_to_use,
+                                xdp_ring->next_to_clean,
+                                xdp_ring->ring_active);
+                       dev_info(&pf->pdev->dev,
+                                "    xdp_rings[%i]: tx_stats: packets = %lld, 
bytes = %lld, restart_queue = %lld\n",
+                                i, xdp_ring->stats.packets,
+                                xdp_ring->stats.bytes,
+                                xdp_ring->tx_stats.restart_queue);
+                       dev_info(&pf->pdev->dev,
+                                "    xdp_rings[%i]: tx_stats: tx_busy = %lld, 
tx_done_old = %lld\n",
+                                i,
+                                xdp_ring->tx_stats.tx_busy,
+                                xdp_ring->tx_stats.tx_done_old);
+                       dev_info(&pf->pdev->dev,
+                                "    xdp_rings[%i]: size = %i\n",
+                                i, xdp_ring->size);
+                       dev_info(&pf->pdev->dev,
+                                "    xdp_rings[%i]: DCB tc = %d\n",
+                                i, xdp_ring->dcb_tc);
+                       dev_info(&pf->pdev->dev,
+                                "    xdp_rings[%i]: itr_setting = %d (%s)\n",
+                                i, xdp_ring->itr_setting,
+                                ITR_IS_DYNAMIC(xdp_ring->itr_setting) ?
+                                "dynamic" : "fixed");
+               }
+       }
        rcu_read_unlock();
        dev_info(&pf->pdev->dev,
                 "    work_limit = %d\n",
-- 
2.17.1