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path: root/drivers/net/ethernet/intel/ice/ice_eswitch.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_eswitch.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_eswitch.c555
1 files changed, 206 insertions, 349 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.c b/drivers/net/ethernet/intel/ice/ice_eswitch.c
index 9069725c71b4..6aae03771746 100644
--- a/drivers/net/ethernet/intel/ice/ice_eswitch.c
+++ b/drivers/net/ethernet/intel/ice/ice_eswitch.c
@@ -7,89 +7,10 @@
#include "ice_eswitch_br.h"
#include "ice_fltr.h"
#include "ice_repr.h"
-#include "ice_devlink.h"
+#include "devlink/devlink.h"
#include "ice_tc_lib.h"
/**
- * ice_eswitch_del_sp_rules - delete adv rules added on PRs
- * @pf: pointer to the PF struct
- *
- * Delete all advanced rules that were used to forward packets with the
- * device's VSI index to the corresponding eswitch ctrl VSI queue.
- */
-static void ice_eswitch_del_sp_rules(struct ice_pf *pf)
-{
- struct ice_repr *repr;
- unsigned long id;
-
- xa_for_each(&pf->eswitch.reprs, id, repr) {
- if (repr->sp_rule.rid)
- ice_rem_adv_rule_by_id(&pf->hw, &repr->sp_rule);
- }
-}
-
-/**
- * ice_eswitch_add_sp_rule - add adv rule with device's VSI index
- * @pf: pointer to PF struct
- * @repr: pointer to the repr struct
- *
- * This function adds advanced rule that forwards packets with
- * device's VSI index to the corresponding eswitch ctrl VSI queue.
- */
-static int ice_eswitch_add_sp_rule(struct ice_pf *pf, struct ice_repr *repr)
-{
- struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
- struct ice_adv_rule_info rule_info = { 0 };
- struct ice_adv_lkup_elem *list;
- struct ice_hw *hw = &pf->hw;
- const u16 lkups_cnt = 1;
- int err;
-
- list = kcalloc(lkups_cnt, sizeof(*list), GFP_ATOMIC);
- if (!list)
- return -ENOMEM;
-
- ice_rule_add_src_vsi_metadata(list);
-
- rule_info.sw_act.flag = ICE_FLTR_TX;
- rule_info.sw_act.vsi_handle = ctrl_vsi->idx;
- rule_info.sw_act.fltr_act = ICE_FWD_TO_Q;
- rule_info.sw_act.fwd_id.q_id = hw->func_caps.common_cap.rxq_first_id +
- ctrl_vsi->rxq_map[repr->q_id];
- rule_info.flags_info.act |= ICE_SINGLE_ACT_LB_ENABLE;
- rule_info.flags_info.act_valid = true;
- rule_info.tun_type = ICE_SW_TUN_AND_NON_TUN;
- rule_info.src_vsi = repr->src_vsi->idx;
-
- err = ice_add_adv_rule(hw, list, lkups_cnt, &rule_info,
- &repr->sp_rule);
- if (err)
- dev_err(ice_pf_to_dev(pf), "Unable to add slow-path rule for eswitch for PR %d",
- repr->id);
-
- kfree(list);
- return err;
-}
-
-static int
-ice_eswitch_add_sp_rules(struct ice_pf *pf)
-{
- struct ice_repr *repr;
- unsigned long id;
- int err;
-
- xa_for_each(&pf->eswitch.reprs, id, repr) {
- err = ice_eswitch_add_sp_rule(pf, repr);
- if (err) {
- ice_eswitch_del_sp_rules(pf);
- return err;
- }
- }
-
- return 0;
-}
-
-/**
* ice_eswitch_setup_env - configure eswitch HW filters
* @pf: pointer to PF struct
*
@@ -99,12 +20,16 @@ ice_eswitch_add_sp_rules(struct ice_pf *pf)
static int ice_eswitch_setup_env(struct ice_pf *pf)
{
struct ice_vsi *uplink_vsi = pf->eswitch.uplink_vsi;
- struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
struct net_device *netdev = uplink_vsi->netdev;
+ bool if_running = netif_running(netdev);
struct ice_vsi_vlan_ops *vlan_ops;
- bool rule_added = false;
+
+ if (if_running && !test_and_set_bit(ICE_VSI_DOWN, uplink_vsi->state))
+ if (ice_down(uplink_vsi))
+ return -ENODEV;
ice_remove_vsi_fltr(&pf->hw, uplink_vsi->idx);
+ ice_vsi_cfg_sw_lldp(uplink_vsi, true, false);
netif_addr_lock_bh(netdev);
__dev_uc_unsync(netdev, NULL);
@@ -112,98 +37,47 @@ static int ice_eswitch_setup_env(struct ice_pf *pf)
netif_addr_unlock_bh(netdev);
if (ice_vsi_add_vlan_zero(uplink_vsi))
+ goto err_vlan_zero;
+
+ if (ice_set_dflt_vsi(uplink_vsi))
goto err_def_rx;
- if (!ice_is_dflt_vsi_in_use(uplink_vsi->port_info)) {
- if (ice_set_dflt_vsi(uplink_vsi))
- goto err_def_rx;
- rule_added = true;
- }
+ if (ice_cfg_dflt_vsi(uplink_vsi->port_info, uplink_vsi->idx, true,
+ ICE_FLTR_TX))
+ goto err_def_tx;
vlan_ops = ice_get_compat_vsi_vlan_ops(uplink_vsi);
if (vlan_ops->dis_rx_filtering(uplink_vsi))
- goto err_dis_rx;
-
- if (ice_vsi_update_security(uplink_vsi, ice_vsi_ctx_set_allow_override))
- goto err_override_uplink;
-
- if (ice_vsi_update_security(ctrl_vsi, ice_vsi_ctx_set_allow_override))
- goto err_override_control;
+ goto err_vlan_filtering;
if (ice_vsi_update_local_lb(uplink_vsi, true))
goto err_override_local_lb;
+ if (if_running && ice_up(uplink_vsi))
+ goto err_up;
+
return 0;
+err_up:
+ ice_vsi_update_local_lb(uplink_vsi, false);
err_override_local_lb:
- ice_vsi_update_security(ctrl_vsi, ice_vsi_ctx_clear_allow_override);
-err_override_control:
- ice_vsi_update_security(uplink_vsi, ice_vsi_ctx_clear_allow_override);
-err_override_uplink:
vlan_ops->ena_rx_filtering(uplink_vsi);
-err_dis_rx:
- if (rule_added)
- ice_clear_dflt_vsi(uplink_vsi);
+err_vlan_filtering:
+ ice_cfg_dflt_vsi(uplink_vsi->port_info, uplink_vsi->idx, false,
+ ICE_FLTR_TX);
+err_def_tx:
+ ice_cfg_dflt_vsi(uplink_vsi->port_info, uplink_vsi->idx, false,
+ ICE_FLTR_RX);
err_def_rx:
+ ice_vsi_del_vlan_zero(uplink_vsi);
+err_vlan_zero:
ice_fltr_add_mac_and_broadcast(uplink_vsi,
uplink_vsi->port_info->mac.perm_addr,
ICE_FWD_TO_VSI);
- return -ENODEV;
-}
-
-/**
- * ice_eswitch_remap_rings_to_vectors - reconfigure rings of eswitch ctrl VSI
- * @eswitch: pointer to eswitch struct
- *
- * In eswitch number of allocated Tx/Rx rings is equal.
- *
- * This function fills q_vectors structures associated with representor and
- * move each ring pairs to port representor netdevs. Each port representor
- * will have dedicated 1 Tx/Rx ring pair, so number of rings pair is equal to
- * number of VFs.
- */
-static void ice_eswitch_remap_rings_to_vectors(struct ice_eswitch *eswitch)
-{
- struct ice_vsi *vsi = eswitch->control_vsi;
- unsigned long repr_id = 0;
- int q_id;
-
- ice_for_each_txq(vsi, q_id) {
- struct ice_q_vector *q_vector;
- struct ice_tx_ring *tx_ring;
- struct ice_rx_ring *rx_ring;
- struct ice_repr *repr;
-
- repr = xa_find(&eswitch->reprs, &repr_id, U32_MAX,
- XA_PRESENT);
- if (!repr)
- break;
-
- repr_id += 1;
- repr->q_id = q_id;
- q_vector = repr->q_vector;
- tx_ring = vsi->tx_rings[q_id];
- rx_ring = vsi->rx_rings[q_id];
-
- q_vector->vsi = vsi;
- q_vector->reg_idx = vsi->q_vectors[0]->reg_idx;
-
- q_vector->num_ring_tx = 1;
- q_vector->tx.tx_ring = tx_ring;
- tx_ring->q_vector = q_vector;
- tx_ring->next = NULL;
- tx_ring->netdev = repr->netdev;
- /* In switchdev mode, from OS stack perspective, there is only
- * one queue for given netdev, so it needs to be indexed as 0.
- */
- tx_ring->q_index = 0;
+ if (if_running)
+ ice_up(uplink_vsi);
- q_vector->num_ring_rx = 1;
- q_vector->rx.rx_ring = rx_ring;
- rx_ring->q_vector = q_vector;
- rx_ring->next = NULL;
- rx_ring->netdev = repr->netdev;
- }
+ return -ENODEV;
}
/**
@@ -225,8 +99,6 @@ ice_eswitch_release_repr(struct ice_pf *pf, struct ice_repr *repr)
repr->dst = NULL;
ice_fltr_add_mac_and_broadcast(vsi, repr->parent_mac,
ICE_FWD_TO_VSI);
-
- netif_napi_del(&repr->q_vector->napi);
}
/**
@@ -236,43 +108,64 @@ ice_eswitch_release_repr(struct ice_pf *pf, struct ice_repr *repr)
*/
static int ice_eswitch_setup_repr(struct ice_pf *pf, struct ice_repr *repr)
{
- struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
+ struct ice_vsi *uplink_vsi = pf->eswitch.uplink_vsi;
struct ice_vsi *vsi = repr->src_vsi;
struct metadata_dst *dst;
- ice_remove_vsi_fltr(&pf->hw, vsi->idx);
repr->dst = metadata_dst_alloc(0, METADATA_HW_PORT_MUX,
GFP_KERNEL);
if (!repr->dst)
- goto err_add_mac_fltr;
+ return -ENOMEM;
- if (ice_vsi_update_security(vsi, ice_vsi_ctx_clear_antispoof))
- goto err_dst_free;
+ netif_keep_dst(uplink_vsi->netdev);
- if (ice_vsi_add_vlan_zero(vsi))
- goto err_update_security;
+ dst = repr->dst;
+ dst->u.port_info.port_id = vsi->vsi_num;
+ dst->u.port_info.lower_dev = uplink_vsi->netdev;
+
+ return 0;
+}
- netif_napi_add(repr->netdev, &repr->q_vector->napi,
- ice_napi_poll);
+/**
+ * ice_eswitch_cfg_vsi - configure VSI to work in slow-path
+ * @vsi: VSI structure of representee
+ * @mac: representee MAC
+ *
+ * Return: 0 on success, non-zero on error.
+ */
+int ice_eswitch_cfg_vsi(struct ice_vsi *vsi, const u8 *mac)
+{
+ int err;
- netif_keep_dst(repr->netdev);
+ ice_remove_vsi_fltr(&vsi->back->hw, vsi->idx);
- dst = repr->dst;
- dst->u.port_info.port_id = vsi->vsi_num;
- dst->u.port_info.lower_dev = repr->netdev;
- ice_repr_set_traffic_vsi(repr, ctrl_vsi);
+ err = ice_vsi_update_security(vsi, ice_vsi_ctx_clear_antispoof);
+ if (err)
+ goto err_update_security;
+
+ err = ice_vsi_add_vlan_zero(vsi);
+ if (err)
+ goto err_vlan_zero;
return 0;
-err_update_security:
+err_vlan_zero:
ice_vsi_update_security(vsi, ice_vsi_ctx_set_antispoof);
-err_dst_free:
- metadata_dst_free(repr->dst);
- repr->dst = NULL;
-err_add_mac_fltr:
- ice_fltr_add_mac_and_broadcast(vsi, repr->parent_mac, ICE_FWD_TO_VSI);
+err_update_security:
+ ice_fltr_add_mac_and_broadcast(vsi, mac, ICE_FWD_TO_VSI);
- return -ENODEV;
+ return err;
+}
+
+/**
+ * ice_eswitch_decfg_vsi - unroll changes done to VSI for switchdev
+ * @vsi: VSI structure of representee
+ * @mac: representee MAC
+ */
+void ice_eswitch_decfg_vsi(struct ice_vsi *vsi, const u8 *mac)
+{
+ ice_vsi_update_security(vsi, ice_vsi_ctx_set_antispoof);
+ ice_fltr_add_mac_and_broadcast(vsi, mac, ICE_FWD_TO_VSI);
}
/**
@@ -280,16 +173,16 @@ err_add_mac_fltr:
* @repr_id: representor ID
* @vsi: VSI for which port representor is configured
*/
-void ice_eswitch_update_repr(unsigned long repr_id, struct ice_vsi *vsi)
+void ice_eswitch_update_repr(unsigned long *repr_id, struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
struct ice_repr *repr;
- int ret;
+ int err;
if (!ice_is_switchdev_running(pf))
return;
- repr = xa_load(&pf->eswitch.reprs, repr_id);
+ repr = xa_load(&pf->eswitch.reprs, *repr_id);
if (!repr)
return;
@@ -299,12 +192,19 @@ void ice_eswitch_update_repr(unsigned long repr_id, struct ice_vsi *vsi)
if (repr->br_port)
repr->br_port->vsi = vsi;
- ret = ice_vsi_update_security(vsi, ice_vsi_ctx_clear_antispoof);
- if (ret) {
- ice_fltr_add_mac_and_broadcast(vsi, repr->parent_mac,
- ICE_FWD_TO_VSI);
+ err = ice_eswitch_cfg_vsi(vsi, repr->parent_mac);
+ if (err)
dev_err(ice_pf_to_dev(pf), "Failed to update VSI of port representor %d",
repr->id);
+
+ /* The VSI number is different, reload the PR with new id */
+ if (repr->id != vsi->vsi_num) {
+ xa_erase(&pf->eswitch.reprs, repr->id);
+ repr->id = vsi->vsi_num;
+ if (xa_insert(&pf->eswitch.reprs, repr->id, repr, GFP_KERNEL))
+ dev_err(ice_pf_to_dev(pf), "Failed to reload port representor %d",
+ repr->id);
+ *repr_id = repr->id;
}
}
@@ -318,27 +218,19 @@ void ice_eswitch_update_repr(unsigned long repr_id, struct ice_vsi *vsi)
netdev_tx_t
ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev)
{
- struct ice_netdev_priv *np;
- struct ice_repr *repr;
- struct ice_vsi *vsi;
-
- np = netdev_priv(netdev);
- vsi = np->vsi;
-
- if (!vsi || !ice_is_switchdev_running(vsi->back))
- return NETDEV_TX_BUSY;
-
- if (ice_is_reset_in_progress(vsi->back->state) ||
- test_bit(ICE_VF_DIS, vsi->back->state))
- return NETDEV_TX_BUSY;
+ struct ice_repr *repr = ice_netdev_to_repr(netdev);
+ unsigned int len = skb->len;
+ int ret;
- repr = ice_netdev_to_repr(netdev);
skb_dst_drop(skb);
dst_hold((struct dst_entry *)repr->dst);
skb_dst_set(skb, (struct dst_entry *)repr->dst);
- skb->queue_mapping = repr->q_id;
+ skb->dev = repr->dst->u.port_info.lower_dev;
+
+ ret = dev_queue_xmit(skb);
+ ice_repr_inc_tx_stats(repr, len, ret);
- return ice_start_xmit(skb, netdev);
+ return ret;
}
/**
@@ -354,6 +246,10 @@ ice_eswitch_set_target_vsi(struct sk_buff *skb,
u64 cd_cmd, dst_vsi;
if (!dst) {
+ struct ethhdr *eth = (struct ethhdr *)skb_mac_header(skb);
+
+ if (unlikely(eth->h_proto == htons(ETH_P_LLDP)))
+ return;
cd_cmd = ICE_TX_CTX_DESC_SWTCH_UPLINK << ICE_TXD_CTX_QW1_CMD_S;
off->cd_qw1 |= (cd_cmd | ICE_TX_DESC_DTYPE_CTX);
} else {
@@ -374,62 +270,20 @@ ice_eswitch_set_target_vsi(struct sk_buff *skb,
static void ice_eswitch_release_env(struct ice_pf *pf)
{
struct ice_vsi *uplink_vsi = pf->eswitch.uplink_vsi;
- struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
struct ice_vsi_vlan_ops *vlan_ops;
vlan_ops = ice_get_compat_vsi_vlan_ops(uplink_vsi);
ice_vsi_update_local_lb(uplink_vsi, false);
- ice_vsi_update_security(ctrl_vsi, ice_vsi_ctx_clear_allow_override);
- ice_vsi_update_security(uplink_vsi, ice_vsi_ctx_clear_allow_override);
vlan_ops->ena_rx_filtering(uplink_vsi);
- ice_clear_dflt_vsi(uplink_vsi);
+ ice_cfg_dflt_vsi(uplink_vsi->port_info, uplink_vsi->idx, false,
+ ICE_FLTR_TX);
+ ice_cfg_dflt_vsi(uplink_vsi->port_info, uplink_vsi->idx, false,
+ ICE_FLTR_RX);
ice_fltr_add_mac_and_broadcast(uplink_vsi,
uplink_vsi->port_info->mac.perm_addr,
ICE_FWD_TO_VSI);
-}
-
-/**
- * ice_eswitch_vsi_setup - configure eswitch control VSI
- * @pf: pointer to PF structure
- * @pi: pointer to port_info structure
- */
-static struct ice_vsi *
-ice_eswitch_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
-{
- struct ice_vsi_cfg_params params = {};
-
- params.type = ICE_VSI_SWITCHDEV_CTRL;
- params.pi = pi;
- params.flags = ICE_VSI_FLAG_INIT;
-
- return ice_vsi_setup(pf, &params);
-}
-
-/**
- * ice_eswitch_napi_enable - enable NAPI for all port representors
- * @reprs: xarray of reprs
- */
-static void ice_eswitch_napi_enable(struct xarray *reprs)
-{
- struct ice_repr *repr;
- unsigned long id;
-
- xa_for_each(reprs, id, repr)
- napi_enable(&repr->q_vector->napi);
-}
-
-/**
- * ice_eswitch_napi_disable - disable NAPI for all port representors
- * @reprs: xarray of reprs
- */
-static void ice_eswitch_napi_disable(struct xarray *reprs)
-{
- struct ice_repr *repr;
- unsigned long id;
-
- xa_for_each(reprs, id, repr)
- napi_disable(&repr->q_vector->napi);
+ ice_vsi_cfg_sw_lldp(uplink_vsi, true, true);
}
/**
@@ -438,7 +292,7 @@ static void ice_eswitch_napi_disable(struct xarray *reprs)
*/
static int ice_eswitch_enable_switchdev(struct ice_pf *pf)
{
- struct ice_vsi *ctrl_vsi, *uplink_vsi;
+ struct ice_vsi *uplink_vsi;
uplink_vsi = ice_get_main_vsi(pf);
if (!uplink_vsi)
@@ -450,17 +304,10 @@ static int ice_eswitch_enable_switchdev(struct ice_pf *pf)
return -EINVAL;
}
- pf->eswitch.control_vsi = ice_eswitch_vsi_setup(pf, pf->hw.port_info);
- if (!pf->eswitch.control_vsi)
- return -ENODEV;
-
- ctrl_vsi = pf->eswitch.control_vsi;
- /* cp VSI is createad with 1 queue as default */
- pf->eswitch.qs.value = 1;
pf->eswitch.uplink_vsi = uplink_vsi;
if (ice_eswitch_setup_env(pf))
- goto err_vsi;
+ return -ENODEV;
if (ice_eswitch_br_offloads_init(pf))
goto err_br_offloads;
@@ -471,8 +318,6 @@ static int ice_eswitch_enable_switchdev(struct ice_pf *pf)
err_br_offloads:
ice_eswitch_release_env(pf);
-err_vsi:
- ice_vsi_release(ctrl_vsi);
return -ENODEV;
}
@@ -482,14 +327,10 @@ err_vsi:
*/
static void ice_eswitch_disable_switchdev(struct ice_pf *pf)
{
- struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
-
ice_eswitch_br_offloads_deinit(pf);
ice_eswitch_release_env(pf);
- ice_vsi_release(ctrl_vsi);
pf->eswitch.is_running = false;
- pf->eswitch.qs.is_reaching = false;
}
/**
@@ -530,7 +371,7 @@ ice_eswitch_mode_set(struct devlink *devlink, u16 mode,
dev_info(ice_pf_to_dev(pf), "PF %d changed eswitch mode to switchdev",
pf->hw.pf_id);
- xa_init_flags(&pf->eswitch.reprs, XA_FLAGS_ALLOC);
+ xa_init(&pf->eswitch.reprs);
NL_SET_ERR_MSG_MOD(extack, "Changed eswitch mode to switchdev");
break;
}
@@ -602,56 +443,17 @@ void ice_eswitch_stop_all_tx_queues(struct ice_pf *pf)
static void ice_eswitch_stop_reprs(struct ice_pf *pf)
{
- ice_eswitch_del_sp_rules(pf);
ice_eswitch_stop_all_tx_queues(pf);
- ice_eswitch_napi_disable(&pf->eswitch.reprs);
}
static void ice_eswitch_start_reprs(struct ice_pf *pf)
{
- ice_eswitch_napi_enable(&pf->eswitch.reprs);
ice_eswitch_start_all_tx_queues(pf);
- ice_eswitch_add_sp_rules(pf);
-}
-
-static void
-ice_eswitch_cp_change_queues(struct ice_eswitch *eswitch, int change)
-{
- struct ice_vsi *cp = eswitch->control_vsi;
- int queues = 0;
-
- if (eswitch->qs.is_reaching) {
- if (eswitch->qs.to_reach >= eswitch->qs.value + change) {
- queues = eswitch->qs.to_reach;
- eswitch->qs.is_reaching = false;
- } else {
- queues = 0;
- }
- } else if ((change > 0 && cp->alloc_txq <= eswitch->qs.value) ||
- change < 0) {
- queues = cp->alloc_txq + change;
- }
-
- if (queues) {
- cp->req_txq = queues;
- cp->req_rxq = queues;
- ice_vsi_close(cp);
- ice_vsi_rebuild(cp, ICE_VSI_FLAG_NO_INIT);
- ice_vsi_open(cp);
- } else if (!change) {
- /* change == 0 means that VSI wasn't open, open it here */
- ice_vsi_open(cp);
- }
-
- eswitch->qs.value += change;
- ice_eswitch_remap_rings_to_vectors(eswitch);
}
-int
-ice_eswitch_attach(struct ice_pf *pf, struct ice_vf *vf)
+static int
+ice_eswitch_attach(struct ice_pf *pf, struct ice_repr *repr, unsigned long *id)
{
- struct ice_repr *repr;
- int change = 1;
int err;
if (pf->eswitch_mode == DEVLINK_ESWITCH_MODE_LEGACY)
@@ -661,31 +463,24 @@ ice_eswitch_attach(struct ice_pf *pf, struct ice_vf *vf)
err = ice_eswitch_enable_switchdev(pf);
if (err)
return err;
- /* Control plane VSI is created with 1 queue as default */
- pf->eswitch.qs.to_reach -= 1;
- change = 0;
}
ice_eswitch_stop_reprs(pf);
- repr = ice_repr_add_vf(vf);
- if (IS_ERR(repr)) {
- err = PTR_ERR(repr);
+ err = repr->ops.add(repr);
+ if (err)
goto err_create_repr;
- }
err = ice_eswitch_setup_repr(pf, repr);
if (err)
goto err_setup_repr;
- err = xa_alloc(&pf->eswitch.reprs, &repr->id, repr,
- XA_LIMIT(1, INT_MAX), GFP_KERNEL);
+ err = xa_insert(&pf->eswitch.reprs, repr->id, repr, GFP_KERNEL);
if (err)
goto err_xa_alloc;
- vf->repr_id = repr->id;
+ *id = repr->id;
- ice_eswitch_cp_change_queues(&pf->eswitch, change);
ice_eswitch_start_reprs(pf);
return 0;
@@ -693,7 +488,7 @@ ice_eswitch_attach(struct ice_pf *pf, struct ice_vf *vf)
err_xa_alloc:
ice_eswitch_release_repr(pf, repr);
err_setup_repr:
- ice_repr_rem_vf(repr);
+ repr->ops.rem(repr);
err_create_repr:
if (xa_empty(&pf->eswitch.reprs))
ice_eswitch_disable_switchdev(pf);
@@ -702,73 +497,135 @@ err_create_repr:
return err;
}
-void ice_eswitch_detach(struct ice_pf *pf, struct ice_vf *vf)
+/**
+ * ice_eswitch_attach_vf - attach VF to a eswitch
+ * @pf: pointer to PF structure
+ * @vf: pointer to VF structure to be attached
+ *
+ * During attaching port representor for VF is created.
+ *
+ * Return: zero on success or an error code on failure.
+ */
+int ice_eswitch_attach_vf(struct ice_pf *pf, struct ice_vf *vf)
{
- struct ice_repr *repr = xa_load(&pf->eswitch.reprs, vf->repr_id);
+ struct ice_repr *repr = ice_repr_create_vf(vf);
struct devlink *devlink = priv_to_devlink(pf);
+ int err;
- if (!repr)
- return;
+ if (IS_ERR(repr))
+ return PTR_ERR(repr);
+
+ devl_lock(devlink);
+ err = ice_eswitch_attach(pf, repr, &vf->repr_id);
+ if (err)
+ ice_repr_destroy(repr);
+ devl_unlock(devlink);
+
+ return err;
+}
+/**
+ * ice_eswitch_attach_sf - attach SF to a eswitch
+ * @pf: pointer to PF structure
+ * @sf: pointer to SF structure to be attached
+ *
+ * During attaching port representor for SF is created.
+ *
+ * Return: zero on success or an error code on failure.
+ */
+int ice_eswitch_attach_sf(struct ice_pf *pf, struct ice_dynamic_port *sf)
+{
+ struct ice_repr *repr = ice_repr_create_sf(sf);
+ int err;
+
+ if (IS_ERR(repr))
+ return PTR_ERR(repr);
+
+ err = ice_eswitch_attach(pf, repr, &sf->repr_id);
+ if (err)
+ ice_repr_destroy(repr);
+
+ return err;
+}
+
+static void ice_eswitch_detach(struct ice_pf *pf, struct ice_repr *repr)
+{
ice_eswitch_stop_reprs(pf);
+ repr->ops.rem(repr);
+
xa_erase(&pf->eswitch.reprs, repr->id);
if (xa_empty(&pf->eswitch.reprs))
ice_eswitch_disable_switchdev(pf);
- else
- ice_eswitch_cp_change_queues(&pf->eswitch, -1);
ice_eswitch_release_repr(pf, repr);
- ice_repr_rem_vf(repr);
+ ice_repr_destroy(repr);
if (xa_empty(&pf->eswitch.reprs)) {
+ struct devlink *devlink = priv_to_devlink(pf);
+
/* since all port representors are destroyed, there is
* no point in keeping the nodes
*/
ice_devlink_rate_clear_tx_topology(ice_get_main_vsi(pf));
- devl_lock(devlink);
devl_rate_nodes_destroy(devlink);
- devl_unlock(devlink);
} else {
ice_eswitch_start_reprs(pf);
}
}
/**
- * ice_eswitch_rebuild - rebuild eswitch
+ * ice_eswitch_detach_vf - detach VF from a eswitch
* @pf: pointer to PF structure
+ * @vf: pointer to VF structure to be detached
*/
-int ice_eswitch_rebuild(struct ice_pf *pf)
+void ice_eswitch_detach_vf(struct ice_pf *pf, struct ice_vf *vf)
{
- struct ice_repr *repr;
- unsigned long id;
- int err;
+ struct ice_repr *repr = xa_load(&pf->eswitch.reprs, vf->repr_id);
+ struct devlink *devlink = priv_to_devlink(pf);
- if (!ice_is_switchdev_running(pf))
- return 0;
+ if (!repr)
+ return;
- err = ice_vsi_rebuild(pf->eswitch.control_vsi, ICE_VSI_FLAG_INIT);
- if (err)
- return err;
+ devl_lock(devlink);
+ ice_eswitch_detach(pf, repr);
+ devl_unlock(devlink);
+}
- xa_for_each(&pf->eswitch.reprs, id, repr)
- ice_eswitch_detach(pf, repr->vf);
+/**
+ * ice_eswitch_detach_sf - detach SF from a eswitch
+ * @pf: pointer to PF structure
+ * @sf: pointer to SF structure to be detached
+ */
+void ice_eswitch_detach_sf(struct ice_pf *pf, struct ice_dynamic_port *sf)
+{
+ struct ice_repr *repr = xa_load(&pf->eswitch.reprs, sf->repr_id);
- return 0;
+ if (!repr)
+ return;
+
+ ice_eswitch_detach(pf, repr);
}
/**
- * ice_eswitch_reserve_cp_queues - reserve control plane VSI queues
- * @pf: pointer to PF structure
- * @change: how many more (or less) queues is needed
+ * ice_eswitch_get_target - get netdev based on src_vsi from descriptor
+ * @rx_ring: ring used to receive the packet
+ * @rx_desc: descriptor used to get src_vsi value
*
- * Remember to call ice_eswitch_attach/detach() the "change" times.
+ * Get src_vsi value from descriptor and load correct representor. If it isn't
+ * found return rx_ring->netdev.
*/
-void ice_eswitch_reserve_cp_queues(struct ice_pf *pf, int change)
+struct net_device *ice_eswitch_get_target(struct ice_rx_ring *rx_ring,
+ union ice_32b_rx_flex_desc *rx_desc)
{
- if (pf->eswitch.qs.value + change < 0)
- return;
+ struct ice_eswitch *eswitch = &rx_ring->vsi->back->eswitch;
+ struct ice_32b_rx_flex_desc_nic_2 *desc;
+ struct ice_repr *repr;
+
+ desc = (struct ice_32b_rx_flex_desc_nic_2 *)rx_desc;
+ repr = xa_load(&eswitch->reprs, le16_to_cpu(desc->src_vsi));
+ if (!repr)
+ return rx_ring->netdev;
- pf->eswitch.qs.to_reach = pf->eswitch.qs.value + change;
- pf->eswitch.qs.is_reaching = true;
+ return repr->netdev;
}