summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c594
1 files changed, 484 insertions, 110 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
index e93430ab37f1..6427e7ec93de 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -5,7 +5,9 @@
#include "ice_base.h"
#include "ice_lib.h"
#include "ice_fltr.h"
+#include "ice_dcb_lib.h"
#include "ice_flow.h"
+#include "ice_eswitch.h"
#include "ice_virtchnl_allowlist.h"
#define FIELD_SELECTOR(proto_hdr_field) \
@@ -251,7 +253,7 @@ ice_vc_hash_field_match_type ice_vc_hash_field_list_comms[] = {
* ice_get_vf_vsi - get VF's VSI based on the stored index
* @vf: VF used to get VSI
*/
-static struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf)
+struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf)
{
return vf->pf->vsi[vf->lan_vsi_idx];
}
@@ -412,7 +414,7 @@ static bool ice_is_vf_link_up(struct ice_vf *vf)
*
* send a link status message to a single VF
*/
-static void ice_vc_notify_vf_link_state(struct ice_vf *vf)
+void ice_vc_notify_vf_link_state(struct ice_vf *vf)
{
struct virtchnl_pf_event pfe = { 0 };
struct ice_hw *hw = &vf->pf->hw;
@@ -620,6 +622,8 @@ void ice_free_vfs(struct ice_pf *pf)
if (!pf->vf)
return;
+ ice_eswitch_release(pf);
+
while (test_and_set_bit(ICE_VF_DIS, pf->state))
usleep_range(1000, 2000);
@@ -634,8 +638,7 @@ void ice_free_vfs(struct ice_pf *pf)
/* Avoid wait time by stopping all VFs at the same time */
ice_for_each_vf(pf, i)
- if (test_bit(ICE_VF_STATE_QS_ENA, pf->vf[i].vf_states))
- ice_dis_vf_qs(&pf->vf[i]);
+ ice_dis_vf_qs(&pf->vf[i]);
tmp = pf->num_alloc_vfs;
pf->num_qps_per_vf = 0;
@@ -647,6 +650,8 @@ void ice_free_vfs(struct ice_pf *pf)
set_bit(ICE_VF_STATE_DIS, pf->vf[i].vf_states);
ice_free_vf_res(&pf->vf[i]);
}
+
+ mutex_destroy(&pf->vf[i].cfg_lock);
}
if (ice_sriov_free_msix_res(pf))
@@ -828,7 +833,7 @@ static struct ice_vsi *ice_vf_vsi_setup(struct ice_vf *vf)
struct ice_pf *pf = vf->pf;
struct ice_vsi *vsi;
- vsi = ice_vsi_setup(pf, pi, ICE_VSI_VF, vf->vf_id);
+ vsi = ice_vsi_setup(pf, pi, ICE_VSI_VF, vf->vf_id, NULL);
if (!vsi) {
dev_err(ice_pf_to_dev(pf), "Failed to create VF VSI\n");
@@ -855,7 +860,7 @@ struct ice_vsi *ice_vf_ctrl_vsi_setup(struct ice_vf *vf)
struct ice_pf *pf = vf->pf;
struct ice_vsi *vsi;
- vsi = ice_vsi_setup(pf, pi, ICE_VSI_CTRL, vf->vf_id);
+ vsi = ice_vsi_setup(pf, pi, ICE_VSI_CTRL, vf->vf_id, NULL);
if (!vsi) {
dev_err(ice_pf_to_dev(pf), "Failed to create VF control VSI\n");
ice_vf_ctrl_invalidate_vsi(vf);
@@ -882,6 +887,40 @@ static int ice_calc_vf_first_vector_idx(struct ice_pf *pf, struct ice_vf *vf)
}
/**
+ * ice_vf_rebuild_host_tx_rate_cfg - re-apply the Tx rate limiting configuration
+ * @vf: VF to re-apply the configuration for
+ *
+ * Called after a VF VSI has been re-added/rebuild during reset. The PF driver
+ * needs to re-apply the host configured Tx rate limiting configuration.
+ */
+static int ice_vf_rebuild_host_tx_rate_cfg(struct ice_vf *vf)
+{
+ struct device *dev = ice_pf_to_dev(vf->pf);
+ struct ice_vsi *vsi = ice_get_vf_vsi(vf);
+ int err;
+
+ if (vf->min_tx_rate) {
+ err = ice_set_min_bw_limit(vsi, (u64)vf->min_tx_rate * 1000);
+ if (err) {
+ dev_err(dev, "failed to set min Tx rate to %d Mbps for VF %u, error %d\n",
+ vf->min_tx_rate, vf->vf_id, err);
+ return err;
+ }
+ }
+
+ if (vf->max_tx_rate) {
+ err = ice_set_max_bw_limit(vsi, (u64)vf->max_tx_rate * 1000);
+ if (err) {
+ dev_err(dev, "failed to set max Tx rate to %d Mbps for VF %u, error %d\n",
+ vf->max_tx_rate, vf->vf_id, err);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+/**
* ice_vf_rebuild_host_vlan_cfg - add VLAN 0 filter or rebuild the Port VLAN
* @vf: VF to add MAC filters for
*
@@ -932,6 +971,9 @@ static int ice_vf_rebuild_host_mac_cfg(struct ice_vf *vf)
enum ice_status status;
u8 broadcast[ETH_ALEN];
+ if (ice_is_eswitch_mode_switchdev(vf->pf))
+ return 0;
+
eth_broadcast_addr(broadcast);
status = ice_fltr_add_mac(vsi, broadcast, ICE_FWD_TO_VSI);
if (status) {
@@ -1414,6 +1456,11 @@ static void ice_vf_rebuild_host_cfg(struct ice_vf *vf)
if (ice_vf_rebuild_host_vlan_cfg(vf))
dev_err(dev, "failed to rebuild VLAN configuration for VF %u\n",
vf->vf_id);
+
+ if (ice_vf_rebuild_host_tx_rate_cfg(vf))
+ dev_err(dev, "failed to rebuild Tx rate limiting configuration for VF %u\n",
+ vf->vf_id);
+
/* rebuild aggregator node config for main VF VSI */
ice_vf_rebuild_aggregator_node_cfg(vsi);
}
@@ -1570,6 +1617,7 @@ bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr)
ice_vc_set_default_allowlist(vf);
ice_vf_fdir_exit(vf);
+ ice_vf_fdir_init(vf);
/* clean VF control VSI when resetting VFs since it should be
* setup only when VF creates its first FDIR rule.
*/
@@ -1581,6 +1629,10 @@ bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr)
ice_vf_post_vsi_rebuild(vf);
}
+ if (ice_is_eswitch_mode_switchdev(pf))
+ if (ice_eswitch_rebuild(pf))
+ dev_warn(dev, "eswitch rebuild failed\n");
+
ice_flush(hw);
clear_bit(ICE_VF_DIS, pf->state);
@@ -1593,7 +1645,7 @@ bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr)
*
* Returns true if the PF or VF is disabled, false otherwise.
*/
-static bool ice_is_vf_disabled(struct ice_vf *vf)
+bool ice_is_vf_disabled(struct ice_vf *vf)
{
struct ice_pf *pf = vf->pf;
@@ -1645,8 +1697,7 @@ bool ice_reset_vf(struct ice_vf *vf, bool is_vflr)
vsi = ice_get_vf_vsi(vf);
- if (test_bit(ICE_VF_STATE_QS_ENA, vf->vf_states))
- ice_dis_vf_qs(vf);
+ ice_dis_vf_qs(vf);
/* Call Disable LAN Tx queue AQ whether or not queues are
* enabled. This is needed for successful completion of VFR.
@@ -1697,6 +1748,7 @@ bool ice_reset_vf(struct ice_vf *vf, bool is_vflr)
}
ice_vf_fdir_exit(vf);
+ ice_vf_fdir_init(vf);
/* clean VF control VSI when resetting VF since it should be setup
* only when VF creates its first FDIR rule.
*/
@@ -1711,6 +1763,8 @@ bool ice_reset_vf(struct ice_vf *vf, bool is_vflr)
}
ice_vf_post_vsi_rebuild(vf);
+ vsi = ice_get_vf_vsi(vf);
+ ice_eswitch_update_repr(vsi);
/* if the VF has been reset allow it to come up again */
if (ice_mbx_clear_malvf(&hw->mbx_snapshot, pf->malvfs, ICE_MAX_VF_COUNT, vf->vf_id))
@@ -1894,6 +1948,10 @@ static void ice_set_dflt_settings_vfs(struct ice_pf *pf)
*/
ice_vf_ctrl_invalidate_vsi(vf);
ice_vf_fdir_init(vf);
+
+ ice_vc_set_dflt_vf_ops(&vf->vc_ops);
+
+ mutex_init(&vf->cfg_lock);
}
}
@@ -1960,6 +2018,15 @@ static int ice_ena_vfs(struct ice_pf *pf, u16 num_vfs)
}
clear_bit(ICE_VF_DIS, pf->state);
+
+ ret = ice_eswitch_configure(pf);
+ if (ret)
+ goto err_unroll_sriov;
+
+ /* rearm global interrupts */
+ if (test_and_clear_bit(ICE_OICR_INTR_DIS, pf->state))
+ ice_irq_dynamic_ena(hw, NULL, NULL);
+
return 0;
err_unroll_sriov:
@@ -2823,7 +2890,7 @@ static void ice_wait_on_vf_reset(struct ice_vf *vf)
* disabled, and initialized so it can be configured and/or queried by a host
* administrator.
*/
-static int ice_check_vf_ready_for_cfg(struct ice_vf *vf)
+int ice_check_vf_ready_for_cfg(struct ice_vf *vf)
{
struct ice_pf *pf;
@@ -2954,6 +3021,7 @@ bool ice_is_any_vf_in_promisc(struct ice_pf *pf)
static int ice_vc_cfg_promiscuous_mode_msg(struct ice_vf *vf, u8 *msg)
{
enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
+ enum ice_status mcast_status = 0, ucast_status = 0;
bool rm_promisc, alluni = false, allmulti = false;
struct virtchnl_promisc_info *info =
(struct virtchnl_promisc_info *)msg;
@@ -2995,25 +3063,10 @@ static int ice_vc_cfg_promiscuous_mode_msg(struct ice_vf *vf, u8 *msg)
rm_promisc = !allmulti && !alluni;
if (vsi->num_vlan || vf->port_vlan_info) {
- struct ice_vsi *pf_vsi = ice_get_main_vsi(pf);
- struct net_device *pf_netdev;
-
- if (!pf_vsi) {
- v_ret = VIRTCHNL_STATUS_ERR_PARAM;
- goto error_param;
- }
-
- pf_netdev = pf_vsi->netdev;
-
- ret = ice_set_vf_spoofchk(pf_netdev, vf->vf_id, rm_promisc);
- if (ret) {
- dev_err(dev, "Failed to update spoofchk to %s for VF %d VSI %d when setting promiscuous mode\n",
- rm_promisc ? "ON" : "OFF", vf->vf_id,
- vsi->vsi_num);
- v_ret = VIRTCHNL_STATUS_ERR_PARAM;
- }
-
- ret = ice_cfg_vlan_pruning(vsi, true, !rm_promisc);
+ if (rm_promisc)
+ ret = ice_cfg_vlan_pruning(vsi, true);
+ else
+ ret = ice_cfg_vlan_pruning(vsi, false);
if (ret) {
dev_err(dev, "Failed to configure VLAN pruning in promiscuous mode\n");
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
@@ -3043,52 +3096,51 @@ static int ice_vc_cfg_promiscuous_mode_msg(struct ice_vf *vf, u8 *msg)
goto error_param;
}
} else {
- enum ice_status status;
- u8 promisc_m;
-
- if (alluni) {
- if (vf->port_vlan_info || vsi->num_vlan)
- promisc_m = ICE_UCAST_VLAN_PROMISC_BITS;
- else
- promisc_m = ICE_UCAST_PROMISC_BITS;
- } else if (allmulti) {
- if (vf->port_vlan_info || vsi->num_vlan)
- promisc_m = ICE_MCAST_VLAN_PROMISC_BITS;
- else
- promisc_m = ICE_MCAST_PROMISC_BITS;
+ u8 mcast_m, ucast_m;
+
+ if (vf->port_vlan_info || vsi->num_vlan > 1) {
+ mcast_m = ICE_MCAST_VLAN_PROMISC_BITS;
+ ucast_m = ICE_UCAST_VLAN_PROMISC_BITS;
} else {
- if (vf->port_vlan_info || vsi->num_vlan)
- promisc_m = ICE_UCAST_VLAN_PROMISC_BITS;
- else
- promisc_m = ICE_UCAST_PROMISC_BITS;
+ mcast_m = ICE_MCAST_PROMISC_BITS;
+ ucast_m = ICE_UCAST_PROMISC_BITS;
}
- /* Configure multicast/unicast with or without VLAN promiscuous
- * mode
- */
- status = ice_vf_set_vsi_promisc(vf, vsi, promisc_m, rm_promisc);
- if (status) {
- dev_err(dev, "%sable Tx/Rx filter promiscuous mode on VF-%d failed, error: %s\n",
- rm_promisc ? "dis" : "en", vf->vf_id,
- ice_stat_str(status));
- v_ret = ice_err_to_virt_err(status);
- goto error_param;
- } else {
- dev_dbg(dev, "%sable Tx/Rx filter promiscuous mode on VF-%d succeeded\n",
- rm_promisc ? "dis" : "en", vf->vf_id);
+ ucast_status = ice_vf_set_vsi_promisc(vf, vsi, ucast_m,
+ !alluni);
+ if (ucast_status) {
+ dev_err(dev, "%sable Tx/Rx filter promiscuous mode on VF-%d failed\n",
+ alluni ? "en" : "dis", vf->vf_id);
+ v_ret = ice_err_to_virt_err(ucast_status);
+ }
+
+ mcast_status = ice_vf_set_vsi_promisc(vf, vsi, mcast_m,
+ !allmulti);
+ if (mcast_status) {
+ dev_err(dev, "%sable Tx/Rx filter promiscuous mode on VF-%d failed\n",
+ allmulti ? "en" : "dis", vf->vf_id);
+ v_ret = ice_err_to_virt_err(mcast_status);
}
}
- if (allmulti &&
- !test_and_set_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states))
- dev_info(dev, "VF %u successfully set multicast promiscuous mode\n", vf->vf_id);
- else if (!allmulti && test_and_clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states))
- dev_info(dev, "VF %u successfully unset multicast promiscuous mode\n", vf->vf_id);
+ if (!mcast_status) {
+ if (allmulti &&
+ !test_and_set_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states))
+ dev_info(dev, "VF %u successfully set multicast promiscuous mode\n",
+ vf->vf_id);
+ else if (!allmulti && test_and_clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states))
+ dev_info(dev, "VF %u successfully unset multicast promiscuous mode\n",
+ vf->vf_id);
+ }
- if (alluni && !test_and_set_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states))
- dev_info(dev, "VF %u successfully set unicast promiscuous mode\n", vf->vf_id);
- else if (!alluni && test_and_clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states))
- dev_info(dev, "VF %u successfully unset unicast promiscuous mode\n", vf->vf_id);
+ if (!ucast_status) {
+ if (alluni && !test_and_set_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states))
+ dev_info(dev, "VF %u successfully set unicast promiscuous mode\n",
+ vf->vf_id);
+ else if (!alluni && test_and_clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states))
+ dev_info(dev, "VF %u successfully unset unicast promiscuous mode\n",
+ vf->vf_id);
+ }
error_param:
return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
@@ -3329,7 +3381,7 @@ static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg)
q_map = vqs->tx_queues;
for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {
- struct ice_ring *ring = vsi->tx_rings[vf_q_id];
+ struct ice_tx_ring *ring = vsi->tx_rings[vf_q_id];
struct ice_txq_meta txq_meta = { 0 };
if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) {
@@ -3762,6 +3814,7 @@ ice_vc_add_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi,
struct device *dev = ice_pf_to_dev(vf->pf);
u8 *mac_addr = vc_ether_addr->addr;
enum ice_status status;
+ int ret = 0;
/* device MAC already added */
if (ether_addr_equal(mac_addr, vf->dev_lan_addr.addr))
@@ -3774,20 +3827,23 @@ ice_vc_add_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi,
status = ice_fltr_add_mac(vsi, mac_addr, ICE_FWD_TO_VSI);
if (status == ICE_ERR_ALREADY_EXISTS) {
- dev_err(dev, "MAC %pM already exists for VF %d\n", mac_addr,
+ dev_dbg(dev, "MAC %pM already exists for VF %d\n", mac_addr,
vf->vf_id);
- return -EEXIST;
+ /* don't return since we might need to update
+ * the primary MAC in ice_vfhw_mac_add() below
+ */
+ ret = -EEXIST;
} else if (status) {
dev_err(dev, "Failed to add MAC %pM for VF %d\n, error %s\n",
mac_addr, vf->vf_id, ice_stat_str(status));
return -EIO;
+ } else {
+ vf->num_mac++;
}
ice_vfhw_mac_add(vf, vc_ether_addr);
- vf->num_mac++;
-
- return 0;
+ return ret;
}
/**
@@ -3802,6 +3858,26 @@ static bool ice_is_legacy_umac_expired(struct ice_time_mac *last_added_umac)
}
/**
+ * ice_update_legacy_cached_mac - update cached hardware MAC for legacy VF
+ * @vf: VF to update
+ * @vc_ether_addr: structure from VIRTCHNL with MAC to check
+ *
+ * only update cached hardware MAC for legacy VF drivers on delete
+ * because we cannot guarantee order/type of MAC from the VF driver
+ */
+static void
+ice_update_legacy_cached_mac(struct ice_vf *vf,
+ struct virtchnl_ether_addr *vc_ether_addr)
+{
+ if (!ice_is_vc_addr_legacy(vc_ether_addr) ||
+ ice_is_legacy_umac_expired(&vf->legacy_last_added_umac))
+ return;
+
+ ether_addr_copy(vf->dev_lan_addr.addr, vf->legacy_last_added_umac.addr);
+ ether_addr_copy(vf->hw_lan_addr.addr, vf->legacy_last_added_umac.addr);
+}
+
+/**
* ice_vfhw_mac_del - update the VF's cached hardware MAC if allowed
* @vf: VF to update
* @vc_ether_addr: structure from VIRTCHNL with MAC to delete
@@ -3822,16 +3898,7 @@ ice_vfhw_mac_del(struct ice_vf *vf, struct virtchnl_ether_addr *vc_ether_addr)
*/
eth_zero_addr(vf->dev_lan_addr.addr);
- /* only update cached hardware MAC for legacy VF drivers on delete
- * because we cannot guarantee order/type of MAC from the VF driver
- */
- if (ice_is_vc_addr_legacy(vc_ether_addr) &&
- !ice_is_legacy_umac_expired(&vf->legacy_last_added_umac)) {
- ether_addr_copy(vf->dev_lan_addr.addr,
- vf->legacy_last_added_umac.addr);
- ether_addr_copy(vf->hw_lan_addr.addr,
- vf->legacy_last_added_umac.addr);
- }
+ ice_update_legacy_cached_mac(vf, vc_ether_addr);
}
/**
@@ -4078,6 +4145,8 @@ ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
return 0;
}
+ mutex_lock(&vf->cfg_lock);
+
vf->port_vlan_info = vlanprio;
if (vf->port_vlan_info)
@@ -4087,6 +4156,7 @@ ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
dev_info(dev, "Clearing port VLAN on VF %d\n", vf_id);
ice_vc_reset_vf(vf);
+ mutex_unlock(&vf->cfg_lock);
return 0;
}
@@ -4207,7 +4277,7 @@ static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v)
/* Enable VLAN pruning when non-zero VLAN is added */
if (!vlan_promisc && vid &&
!ice_vsi_is_vlan_pruning_ena(vsi)) {
- status = ice_cfg_vlan_pruning(vsi, true, false);
+ status = ice_cfg_vlan_pruning(vsi, true);
if (status) {
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
dev_err(dev, "Enable VLAN pruning on VLAN ID: %d failed error-%d\n",
@@ -4261,7 +4331,7 @@ static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v)
/* Disable VLAN pruning when only VLAN 0 is left */
if (vsi->num_vlan == 1 &&
ice_vsi_is_vlan_pruning_ena(vsi))
- ice_cfg_vlan_pruning(vsi, false, false);
+ ice_cfg_vlan_pruning(vsi, false);
/* Disable Unicast/Multicast VLAN promiscuous mode */
if (vlan_promisc) {
@@ -4400,6 +4470,168 @@ static int ice_vf_init_vlan_stripping(struct ice_vf *vf)
return ice_vsi_manage_vlan_stripping(vsi, false);
}
+static struct ice_vc_vf_ops ice_vc_vf_dflt_ops = {
+ .get_ver_msg = ice_vc_get_ver_msg,
+ .get_vf_res_msg = ice_vc_get_vf_res_msg,
+ .reset_vf = ice_vc_reset_vf_msg,
+ .add_mac_addr_msg = ice_vc_add_mac_addr_msg,
+ .del_mac_addr_msg = ice_vc_del_mac_addr_msg,
+ .cfg_qs_msg = ice_vc_cfg_qs_msg,
+ .ena_qs_msg = ice_vc_ena_qs_msg,
+ .dis_qs_msg = ice_vc_dis_qs_msg,
+ .request_qs_msg = ice_vc_request_qs_msg,
+ .cfg_irq_map_msg = ice_vc_cfg_irq_map_msg,
+ .config_rss_key = ice_vc_config_rss_key,
+ .config_rss_lut = ice_vc_config_rss_lut,
+ .get_stats_msg = ice_vc_get_stats_msg,
+ .cfg_promiscuous_mode_msg = ice_vc_cfg_promiscuous_mode_msg,
+ .add_vlan_msg = ice_vc_add_vlan_msg,
+ .remove_vlan_msg = ice_vc_remove_vlan_msg,
+ .ena_vlan_stripping = ice_vc_ena_vlan_stripping,
+ .dis_vlan_stripping = ice_vc_dis_vlan_stripping,
+ .handle_rss_cfg_msg = ice_vc_handle_rss_cfg,
+ .add_fdir_fltr_msg = ice_vc_add_fdir_fltr,
+ .del_fdir_fltr_msg = ice_vc_del_fdir_fltr,
+};
+
+void ice_vc_set_dflt_vf_ops(struct ice_vc_vf_ops *ops)
+{
+ *ops = ice_vc_vf_dflt_ops;
+}
+
+/**
+ * ice_vc_repr_add_mac
+ * @vf: pointer to VF
+ * @msg: virtchannel message
+ *
+ * When port representors are created, we do not add MAC rule
+ * to firmware, we store it so that PF could report same
+ * MAC as VF.
+ */
+static int ice_vc_repr_add_mac(struct ice_vf *vf, u8 *msg)
+{
+ enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
+ struct virtchnl_ether_addr_list *al =
+ (struct virtchnl_ether_addr_list *)msg;
+ struct ice_vsi *vsi;
+ struct ice_pf *pf;
+ int i;
+
+ if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) ||
+ !ice_vc_isvalid_vsi_id(vf, al->vsi_id)) {
+ v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+ goto handle_mac_exit;
+ }
+
+ pf = vf->pf;
+
+ vsi = ice_get_vf_vsi(vf);
+ if (!vsi) {
+ v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+ goto handle_mac_exit;
+ }
+
+ for (i = 0; i < al->num_elements; i++) {
+ u8 *mac_addr = al->list[i].addr;
+
+ if (!is_unicast_ether_addr(mac_addr) ||
+ ether_addr_equal(mac_addr, vf->hw_lan_addr.addr))
+ continue;
+
+ if (vf->pf_set_mac) {
+ dev_err(ice_pf_to_dev(pf), "VF attempting to override administratively set MAC address\n");
+ v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED;
+ goto handle_mac_exit;
+ }
+
+ ice_vfhw_mac_add(vf, &al->list[i]);
+ vf->num_mac++;
+ break;
+ }
+
+handle_mac_exit:
+ return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_ETH_ADDR,
+ v_ret, NULL, 0);
+}
+
+/**
+ * ice_vc_repr_del_mac - response with success for deleting MAC
+ * @vf: pointer to VF
+ * @msg: virtchannel message
+ *
+ * Respond with success to not break normal VF flow.
+ * For legacy VF driver try to update cached MAC address.
+ */
+static int
+ice_vc_repr_del_mac(struct ice_vf __always_unused *vf, u8 __always_unused *msg)
+{
+ struct virtchnl_ether_addr_list *al =
+ (struct virtchnl_ether_addr_list *)msg;
+
+ ice_update_legacy_cached_mac(vf, &al->list[0]);
+
+ return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR,
+ VIRTCHNL_STATUS_SUCCESS, NULL, 0);
+}
+
+static int ice_vc_repr_add_vlan(struct ice_vf *vf, u8 __always_unused *msg)
+{
+ dev_dbg(ice_pf_to_dev(vf->pf),
+ "Can't add VLAN in switchdev mode for VF %d\n", vf->vf_id);
+ return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_VLAN,
+ VIRTCHNL_STATUS_SUCCESS, NULL, 0);
+}
+
+static int ice_vc_repr_del_vlan(struct ice_vf *vf, u8 __always_unused *msg)
+{
+ dev_dbg(ice_pf_to_dev(vf->pf),
+ "Can't delete VLAN in switchdev mode for VF %d\n", vf->vf_id);
+ return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_VLAN,
+ VIRTCHNL_STATUS_SUCCESS, NULL, 0);
+}
+
+static int ice_vc_repr_ena_vlan_stripping(struct ice_vf *vf)
+{
+ dev_dbg(ice_pf_to_dev(vf->pf),
+ "Can't enable VLAN stripping in switchdev mode for VF %d\n",
+ vf->vf_id);
+ return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
+ VIRTCHNL_STATUS_ERR_NOT_SUPPORTED,
+ NULL, 0);
+}
+
+static int ice_vc_repr_dis_vlan_stripping(struct ice_vf *vf)
+{
+ dev_dbg(ice_pf_to_dev(vf->pf),
+ "Can't disable VLAN stripping in switchdev mode for VF %d\n",
+ vf->vf_id);
+ return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
+ VIRTCHNL_STATUS_ERR_NOT_SUPPORTED,
+ NULL, 0);
+}
+
+static int
+ice_vc_repr_cfg_promiscuous_mode(struct ice_vf *vf, u8 __always_unused *msg)
+{
+ dev_dbg(ice_pf_to_dev(vf->pf),
+ "Can't config promiscuous mode in switchdev mode for VF %d\n",
+ vf->vf_id);
+ return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
+ VIRTCHNL_STATUS_ERR_NOT_SUPPORTED,
+ NULL, 0);
+}
+
+void ice_vc_change_ops_to_repr(struct ice_vc_vf_ops *ops)
+{
+ ops->add_mac_addr_msg = ice_vc_repr_add_mac;
+ ops->del_mac_addr_msg = ice_vc_repr_del_mac;
+ ops->add_vlan_msg = ice_vc_repr_add_vlan;
+ ops->remove_vlan_msg = ice_vc_repr_del_vlan;
+ ops->ena_vlan_stripping = ice_vc_repr_ena_vlan_stripping;
+ ops->dis_vlan_stripping = ice_vc_repr_dis_vlan_stripping;
+ ops->cfg_promiscuous_mode_msg = ice_vc_repr_cfg_promiscuous_mode;
+}
+
/**
* ice_vc_process_vf_msg - Process request from VF
* @pf: pointer to the PF structure
@@ -4413,6 +4645,7 @@ void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event)
u32 v_opcode = le32_to_cpu(event->desc.cookie_high);
s16 vf_id = le16_to_cpu(event->desc.retval);
u16 msglen = event->msg_len;
+ struct ice_vc_vf_ops *ops;
u8 *msg = event->msg_buf;
struct ice_vf *vf = NULL;
struct device *dev;
@@ -4436,6 +4669,8 @@ void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event)
goto error_handler;
}
+ ops = &vf->vc_ops;
+
/* Perform basic checks on the msg */
err = virtchnl_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen);
if (err) {
@@ -4461,77 +4696,86 @@ error_handler:
return;
}
+ /* VF is being configured in another context that triggers a VFR, so no
+ * need to process this message
+ */
+ if (!mutex_trylock(&vf->cfg_lock)) {
+ dev_info(dev, "VF %u is being configured in another context that will trigger a VFR, so there is no need to handle this message\n",
+ vf->vf_id);
+ return;
+ }
+
switch (v_opcode) {
case VIRTCHNL_OP_VERSION:
- err = ice_vc_get_ver_msg(vf, msg);
+ err = ops->get_ver_msg(vf, msg);
break;
case VIRTCHNL_OP_GET_VF_RESOURCES:
- err = ice_vc_get_vf_res_msg(vf, msg);
+ err = ops->get_vf_res_msg(vf, msg);
if (ice_vf_init_vlan_stripping(vf))
dev_err(dev, "Failed to initialize VLAN stripping for VF %d\n",
vf->vf_id);
ice_vc_notify_vf_link_state(vf);
break;
case VIRTCHNL_OP_RESET_VF:
- ice_vc_reset_vf_msg(vf);
+ ops->reset_vf(vf);
break;
case VIRTCHNL_OP_ADD_ETH_ADDR:
- err = ice_vc_add_mac_addr_msg(vf, msg);
+ err = ops->add_mac_addr_msg(vf, msg);
break;
case VIRTCHNL_OP_DEL_ETH_ADDR:
- err = ice_vc_del_mac_addr_msg(vf, msg);
+ err = ops->del_mac_addr_msg(vf, msg);
break;
case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
- err = ice_vc_cfg_qs_msg(vf, msg);
+ err = ops->cfg_qs_msg(vf, msg);
break;
case VIRTCHNL_OP_ENABLE_QUEUES:
- err = ice_vc_ena_qs_msg(vf, msg);
+ err = ops->ena_qs_msg(vf, msg);
ice_vc_notify_vf_link_state(vf);
break;
case VIRTCHNL_OP_DISABLE_QUEUES:
- err = ice_vc_dis_qs_msg(vf, msg);
+ err = ops->dis_qs_msg(vf, msg);
break;
case VIRTCHNL_OP_REQUEST_QUEUES:
- err = ice_vc_request_qs_msg(vf, msg);
+ err = ops->request_qs_msg(vf, msg);
break;
case VIRTCHNL_OP_CONFIG_IRQ_MAP:
- err = ice_vc_cfg_irq_map_msg(vf, msg);
+ err = ops->cfg_irq_map_msg(vf, msg);
break;
case VIRTCHNL_OP_CONFIG_RSS_KEY:
- err = ice_vc_config_rss_key(vf, msg);
+ err = ops->config_rss_key(vf, msg);
break;
case VIRTCHNL_OP_CONFIG_RSS_LUT:
- err = ice_vc_config_rss_lut(vf, msg);
+ err = ops->config_rss_lut(vf, msg);
break;
case VIRTCHNL_OP_GET_STATS:
- err = ice_vc_get_stats_msg(vf, msg);
+ err = ops->get_stats_msg(vf, msg);
break;
case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
- err = ice_vc_cfg_promiscuous_mode_msg(vf, msg);
+ err = ops->cfg_promiscuous_mode_msg(vf, msg);
break;
case VIRTCHNL_OP_ADD_VLAN:
- err = ice_vc_add_vlan_msg(vf, msg);
+ err = ops->add_vlan_msg(vf, msg);
break;
case VIRTCHNL_OP_DEL_VLAN:
- err = ice_vc_remove_vlan_msg(vf, msg);
+ err = ops->remove_vlan_msg(vf, msg);
break;
case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
- err = ice_vc_ena_vlan_stripping(vf);
+ err = ops->ena_vlan_stripping(vf);
break;
case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
- err = ice_vc_dis_vlan_stripping(vf);
+ err = ops->dis_vlan_stripping(vf);
break;
case VIRTCHNL_OP_ADD_FDIR_FILTER:
- err = ice_vc_add_fdir_fltr(vf, msg);
+ err = ops->add_fdir_fltr_msg(vf, msg);
break;
case VIRTCHNL_OP_DEL_FDIR_FILTER:
- err = ice_vc_del_fdir_fltr(vf, msg);
+ err = ops->del_fdir_fltr_msg(vf, msg);
break;
case VIRTCHNL_OP_ADD_RSS_CFG:
- err = ice_vc_handle_rss_cfg(vf, msg, true);
+ err = ops->handle_rss_cfg_msg(vf, msg, true);
break;
case VIRTCHNL_OP_DEL_RSS_CFG:
- err = ice_vc_handle_rss_cfg(vf, msg, false);
+ err = ops->handle_rss_cfg_msg(vf, msg, false);
break;
case VIRTCHNL_OP_UNKNOWN:
default:
@@ -4549,6 +4793,8 @@ error_handler:
dev_info(dev, "PF failed to honor VF %d, opcode %d, error %d\n",
vf_id, v_opcode, err);
}
+
+ mutex_unlock(&vf->cfg_lock);
}
/**
@@ -4588,8 +4834,8 @@ ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi)
ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
else
ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
- ivi->max_tx_rate = vf->tx_rate;
- ivi->min_tx_rate = 0;
+ ivi->max_tx_rate = vf->max_tx_rate;
+ ivi->min_tx_rate = vf->min_tx_rate;
return 0;
}
@@ -4664,6 +4910,8 @@ int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
return -EINVAL;
}
+ mutex_lock(&vf->cfg_lock);
+
/* VF is notified of its new MAC via the PF's response to the
* VIRTCHNL_OP_GET_VF_RESOURCES message after the VF has been reset
*/
@@ -4682,6 +4930,7 @@ int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
}
ice_vc_reset_vf(vf);
+ mutex_unlock(&vf->cfg_lock);
return 0;
}
@@ -4699,6 +4948,11 @@ int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted)
struct ice_vf *vf;
int ret;
+ if (ice_is_eswitch_mode_switchdev(pf)) {
+ dev_info(ice_pf_to_dev(pf), "Trusted VF is forbidden in switchdev mode\n");
+ return -EOPNOTSUPP;
+ }
+
if (ice_validate_vf_id(pf, vf_id))
return -EINVAL;
@@ -4711,11 +4965,15 @@ int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted)
if (trusted == vf->trusted)
return 0;
+ mutex_lock(&vf->cfg_lock);
+
vf->trusted = trusted;
ice_vc_reset_vf(vf);
dev_info(ice_pf_to_dev(pf), "VF %u is now %strusted\n",
vf_id, trusted ? "" : "un");
+ mutex_unlock(&vf->cfg_lock);
+
return 0;
}
@@ -4763,6 +5021,122 @@ int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state)
}
/**
+ * ice_calc_all_vfs_min_tx_rate - calculate cumulative min Tx rate on all VFs
+ * @pf: PF associated with VFs
+ */
+static int ice_calc_all_vfs_min_tx_rate(struct ice_pf *pf)
+{
+ int rate = 0, i;
+
+ ice_for_each_vf(pf, i)
+ rate += pf->vf[i].min_tx_rate;
+
+ return rate;
+}
+
+/**
+ * ice_min_tx_rate_oversubscribed - check if min Tx rate causes oversubscription
+ * @vf: VF trying to configure min_tx_rate
+ * @min_tx_rate: min Tx rate in Mbps
+ *
+ * Check if the min_tx_rate being passed in will cause oversubscription of total
+ * min_tx_rate based on the current link speed and all other VFs configured
+ * min_tx_rate
+ *
+ * Return true if the passed min_tx_rate would cause oversubscription, else
+ * return false
+ */
+static bool
+ice_min_tx_rate_oversubscribed(struct ice_vf *vf, int min_tx_rate)
+{
+ int link_speed_mbps = ice_get_link_speed_mbps(ice_get_vf_vsi(vf));
+ int all_vfs_min_tx_rate = ice_calc_all_vfs_min_tx_rate(vf->pf);
+
+ /* this VF's previous rate is being overwritten */
+ all_vfs_min_tx_rate -= vf->min_tx_rate;
+
+ if (all_vfs_min_tx_rate + min_tx_rate > link_speed_mbps) {
+ dev_err(ice_pf_to_dev(vf->pf), "min_tx_rate of %d Mbps on VF %u would cause oversubscription of %d Mbps based on the current link speed %d Mbps\n",
+ min_tx_rate, vf->vf_id,
+ all_vfs_min_tx_rate + min_tx_rate - link_speed_mbps,
+ link_speed_mbps);
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * ice_set_vf_bw - set min/max VF bandwidth
+ * @netdev: network interface device structure
+ * @vf_id: VF identifier
+ * @min_tx_rate: Minimum Tx rate in Mbps
+ * @max_tx_rate: Maximum Tx rate in Mbps
+ */
+int
+ice_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
+ int max_tx_rate)
+{
+ struct ice_pf *pf = ice_netdev_to_pf(netdev);
+ struct ice_vsi *vsi;
+ struct device *dev;
+ struct ice_vf *vf;
+ int ret;
+
+ dev = ice_pf_to_dev(pf);
+ if (ice_validate_vf_id(pf, vf_id))
+ return -EINVAL;
+
+ vf = &pf->vf[vf_id];
+ ret = ice_check_vf_ready_for_cfg(vf);
+ if (ret)
+ return ret;
+
+ vsi = ice_get_vf_vsi(vf);
+
+ /* when max_tx_rate is zero that means no max Tx rate limiting, so only
+ * check if max_tx_rate is non-zero
+ */
+ if (max_tx_rate && min_tx_rate > max_tx_rate) {
+ dev_err(dev, "Cannot set min Tx rate %d Mbps greater than max Tx rate %d Mbps\n",
+ min_tx_rate, max_tx_rate);
+ return -EINVAL;
+ }
+
+ if (min_tx_rate && ice_is_dcb_active(pf)) {
+ dev_err(dev, "DCB on PF is currently enabled. VF min Tx rate limiting not allowed on this PF.\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (ice_min_tx_rate_oversubscribed(vf, min_tx_rate))
+ return -EINVAL;
+
+ if (vf->min_tx_rate != (unsigned int)min_tx_rate) {
+ ret = ice_set_min_bw_limit(vsi, (u64)min_tx_rate * 1000);
+ if (ret) {
+ dev_err(dev, "Unable to set min-tx-rate for VF %d\n",
+ vf->vf_id);
+ return ret;
+ }
+
+ vf->min_tx_rate = min_tx_rate;
+ }
+
+ if (vf->max_tx_rate != (unsigned int)max_tx_rate) {
+ ret = ice_set_max_bw_limit(vsi, (u64)max_tx_rate * 1000);
+ if (ret) {
+ dev_err(dev, "Unable to set max-tx-rate for VF %d\n",
+ vf->vf_id);
+ return ret;
+ }
+
+ vf->max_tx_rate = max_tx_rate;
+ }
+
+ return 0;
+}
+
+/**
* ice_get_vf_stats - populate some stats for the VF
* @netdev: the netdev of the PF
* @vf_id: the host OS identifier (0-255)