Merge tag 'zynqmp-soc-fixes-for-v5.10-rc6' of https://github.com/Xilinx/linux-xlnx into arm/fixes

arm64: soc: ZynqMP SoC fixes for v5.10-rc6

- Fix SD dll reset issue by using proper macro
- Fix PM feature checking for Xilinx Versal SoC

* tag 'zynqmp-soc-fixes-for-v5.10-rc6' of https://github.com/Xilinx/linux-xlnx: (337 commits)
  firmware: xilinx: Use hash-table for api feature check
  firmware: xilinx: Fix SD DLL node reset issue
  Linux 5.10-rc4
  kvm: mmu: fix is_tdp_mmu_check when the TDP MMU is not in use
  afs: Fix afs_write_end() when called with copied == 0 [ver #3]
  ocfs2: initialize ip_next_orphan
  panic: don't dump stack twice on warn
  hugetlbfs: fix anon huge page migration race
  mm: memcontrol: fix missing wakeup polling thread
  kernel/watchdog: fix watchdog_allowed_mask not used warning
  reboot: fix overflow parsing reboot cpu number
  Revert "kernel/reboot.c: convert simple_strtoul to kstrtoint"
  compiler.h: fix barrier_data() on clang
  mm/gup: use unpin_user_pages() in __gup_longterm_locked()
  mm/slub: fix panic in slab_alloc_node()
  mailmap: fix entry for Dmitry Baryshkov/Eremin-Solenikov
  mm/vmscan: fix NR_ISOLATED_FILE corruption on 64-bit
  mm/compaction: stop isolation if too many pages are isolated and we have pages to migrate
  mm/compaction: count pages and stop correctly during page isolation
  drm/nouveau/kms/nv50-: Use atomic encoder callbacks everywhere
  ...

Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnd Bergmann <[email protected]>

1 files changed, 24 insertions, 2 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index c96e2f2d4cba..4919d22d7b6b 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -2713,6 +2713,10 @@ static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg)
 				spin_unlock_bh(&vsi->mac_filter_hash_lock);
 				goto error_param;
 			}
+			if (is_valid_ether_addr(al->list[i].addr) &&
+			    is_zero_ether_addr(vf->default_lan_addr.addr))
+				ether_addr_copy(vf->default_lan_addr.addr,
+						al->list[i].addr);
 		}
 	}
 	spin_unlock_bh(&vsi->mac_filter_hash_lock);
@@ -2740,6 +2744,7 @@ static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg)
 {
 	struct virtchnl_ether_addr_list *al =
 	    (struct virtchnl_ether_addr_list *)msg;
+	bool was_unimac_deleted = false;
 	struct i40e_pf *pf = vf->pf;
 	struct i40e_vsi *vsi = NULL;
 	i40e_status ret = 0;
@@ -2759,6 +2764,8 @@ static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg)
 			ret = I40E_ERR_INVALID_MAC_ADDR;
 			goto error_param;
 		}
+		if (ether_addr_equal(al->list[i].addr, vf->default_lan_addr.addr))
+			was_unimac_deleted = true;
 	}
 	vsi = pf->vsi[vf->lan_vsi_idx];
 
@@ -2779,10 +2786,25 @@ static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg)
 		dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n",
 			vf->vf_id, ret);
 
+	if (vf->trusted && was_unimac_deleted) {
+		struct i40e_mac_filter *f;
+		struct hlist_node *h;
+		u8 *macaddr = NULL;
+		int bkt;
+
+		/* set last unicast mac address as default */
+		spin_lock_bh(&vsi->mac_filter_hash_lock);
+		hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist) {
+			if (is_valid_ether_addr(f->macaddr))
+				macaddr = f->macaddr;
+		}
+		if (macaddr)
+			ether_addr_copy(vf->default_lan_addr.addr, macaddr);
+		spin_unlock_bh(&vsi->mac_filter_hash_lock);
+	}
 error_param:
 	/* send the response to the VF */
-	return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR,
-				       ret);
+	return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR, ret);
 }
 
 /**