Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2024-10-08 (ice, iavf, igb, e1000e, e1000)

This series contains updates to ice, iavf, igb, e1000e, and e1000
drivers.

For ice:

Wojciech adds support for ethtool reset.

Paul adds support for hardware based VF mailbox limits for E830 devices.

Jake adjusts to a common iterator in ice_vc_cfg_qs_msg() and moves
storing of max_frame and rx_buf_len from VSI struct to the ring
structure.

Hongbo Li uses assign_bit() to replace an open-coded instance.

Markus Elfring adjusts a couple of PTP error paths to use a common,
shared exit point.

Yue Haibing removes unused declarations.

For iavf:

Yue Haibing removes unused declarations.

For igb:

Yue Haibing removes unused declarations.

For e1000e:

Takamitsu Iwai removes unneccessary writel() calls.

Joe Damato adds support for netdev-genl support to query IRQ, NAPI,
and queue information.

For e1000:

Joe Damato adds support for netdev-genl support to query IRQ, NAPI,
and queue information.

* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
  e1000: Link NAPI instances to queues and IRQs
  e1000e: Link NAPI instances to queues and IRQs
  e1000e: Remove duplicated writel() in e1000_configure_tx/rx()
  igb: Cleanup unused declarations
  iavf: Remove unused declarations
  ice: Cleanup unused declarations
  ice: Use common error handling code in two functions
  ice: Make use of assign_bit() API
  ice: store max_frame and rx_buf_len only in ice_rx_ring
  ice: consistently use q_idx in ice_vc_cfg_qs_msg()
  ice: add E830 HW VF mailbox message limit support
  ice: Implement ethtool reset support
====================

Link: https://patch.msgid.link/20241008233441.928802-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

1 files changed, 23 insertions, 3 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_vf_lib.c b/drivers/net/ethernet/intel/ice/ice_vf_lib.c
index a69e91f88d81..d618292dfe27 100644
--- a/drivers/net/ethernet/intel/ice/ice_vf_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_vf_lib.c
@@ -710,6 +710,23 @@ ice_vf_clear_vsi_promisc(struct ice_vf *vf, struct ice_vsi *vsi, u8 promisc_m)
 }
 
 /**
+ * ice_reset_vf_mbx_cnt - reset VF mailbox message count
+ * @vf: pointer to the VF structure
+ *
+ * This function clears the VF mailbox message count, and should be called on
+ * VF reset.
+ */
+static void ice_reset_vf_mbx_cnt(struct ice_vf *vf)
+{
+	struct ice_pf *pf = vf->pf;
+
+	if (ice_is_feature_supported(pf, ICE_F_MBX_LIMIT))
+		ice_mbx_vf_clear_cnt_e830(&pf->hw, vf->vf_id);
+	else
+		ice_mbx_clear_malvf(&vf->mbx_info);
+}
+
+/**
  * ice_reset_all_vfs - reset all allocated VFs in one go
  * @pf: pointer to the PF structure
  *
@@ -735,7 +752,7 @@ void ice_reset_all_vfs(struct ice_pf *pf)
 
 	/* clear all malicious info if the VFs are getting reset */
 	ice_for_each_vf(pf, bkt, vf)
-		ice_mbx_clear_malvf(&vf->mbx_info);
+		ice_reset_vf_mbx_cnt(vf);
 
 	/* If VFs have been disabled, there is no need to reset */
 	if (test_and_set_bit(ICE_VF_DIS, pf->state)) {
@@ -951,7 +968,7 @@ int ice_reset_vf(struct ice_vf *vf, u32 flags)
 	ice_eswitch_update_repr(&vf->repr_id, vsi);
 
 	/* if the VF has been reset allow it to come up again */
-	ice_mbx_clear_malvf(&vf->mbx_info);
+	ice_reset_vf_mbx_cnt(vf);
 
 out_unlock:
 	if (lag && lag->bonded && lag->primary &&
@@ -1004,7 +1021,10 @@ void ice_initialize_vf_entry(struct ice_vf *vf)
 	ice_vf_fdir_init(vf);
 
 	/* Initialize mailbox info for this VF */
-	ice_mbx_init_vf_info(&pf->hw, &vf->mbx_info);
+	if (ice_is_feature_supported(pf, ICE_F_MBX_LIMIT))
+		ice_mbx_vf_clear_cnt_e830(&pf->hw, vf->vf_id);
+	else
+		ice_mbx_init_vf_info(&pf->hw, &vf->mbx_info);
 
 	mutex_init(&vf->cfg_lock);
 }