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path: root/drivers/net/ethernet/intel/ice/ice_lag.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_lag.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_lag.c105
1 files changed, 76 insertions, 29 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lag.c b/drivers/net/ethernet/intel/ice/ice_lag.c
index 165a9d512ce2..cd065ec48c87 100644
--- a/drivers/net/ethernet/intel/ice/ice_lag.c
+++ b/drivers/net/ethernet/intel/ice/ice_lag.c
@@ -19,8 +19,11 @@ static const u8 lacp_train_pkt[LACP_TRAIN_PKT_LEN] = { 0, 0, 0, 0, 0, 0,
static const u8 ice_dflt_vsi_rcp[ICE_RECIPE_LEN] = {
0x05, 0, 0, 0, 0x20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0x85, 0, 0x01, 0, 0, 0, 0xff, 0xff, 0x08, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0x30, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+ 0, 0, 0, 0, 0, 0, 0x30 };
+static const u8 ice_lport_rcp[ICE_RECIPE_LEN] = {
+ 0x05, 0, 0, 0, 0x20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0x85, 0, 0x16, 0, 0, 0, 0xff, 0xff, 0x07, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0x30 };
/**
* ice_lag_set_primary - set PF LAG state as Primary
@@ -173,18 +176,22 @@ static struct ice_lag *ice_lag_find_primary(struct ice_lag *lag)
}
/**
- * ice_lag_cfg_dflt_fltr - Add/Remove default VSI rule for LAG
+ * ice_lag_cfg_fltr - Add/Remove rule for LAG
* @lag: lag struct for local interface
+ * @act: rule action
+ * @recipe_id: recipe id for the new rule
+ * @rule_idx: pointer to rule index
* @add: boolean on whether we are adding filters
*/
static int
-ice_lag_cfg_dflt_fltr(struct ice_lag *lag, bool add)
+ice_lag_cfg_fltr(struct ice_lag *lag, u32 act, u16 recipe_id, u16 *rule_idx,
+ bool add)
{
struct ice_sw_rule_lkup_rx_tx *s_rule;
u16 s_rule_sz, vsi_num;
struct ice_hw *hw;
- u32 act, opc;
u8 *eth_hdr;
+ u32 opc;
int err;
hw = &lag->pf->hw;
@@ -193,7 +200,7 @@ ice_lag_cfg_dflt_fltr(struct ice_lag *lag, bool add)
s_rule_sz = ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule);
s_rule = kzalloc(s_rule_sz, GFP_KERNEL);
if (!s_rule) {
- dev_err(ice_pf_to_dev(lag->pf), "error allocating rule for LAG default VSI\n");
+ dev_err(ice_pf_to_dev(lag->pf), "error allocating rule for LAG\n");
return -ENOMEM;
}
@@ -201,19 +208,17 @@ ice_lag_cfg_dflt_fltr(struct ice_lag *lag, bool add)
eth_hdr = s_rule->hdr_data;
ice_fill_eth_hdr(eth_hdr);
- act = (vsi_num << ICE_SINGLE_ACT_VSI_ID_S) &
+ act |= (vsi_num << ICE_SINGLE_ACT_VSI_ID_S) &
ICE_SINGLE_ACT_VSI_ID_M;
- act |= ICE_SINGLE_ACT_VSI_FORWARDING |
- ICE_SINGLE_ACT_VALID_BIT | ICE_SINGLE_ACT_LAN_ENABLE;
s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX);
- s_rule->recipe_id = cpu_to_le16(lag->pf_recipe);
+ s_rule->recipe_id = cpu_to_le16(recipe_id);
s_rule->src = cpu_to_le16(hw->port_info->lport);
s_rule->act = cpu_to_le32(act);
s_rule->hdr_len = cpu_to_le16(DUMMY_ETH_HDR_LEN);
opc = ice_aqc_opc_add_sw_rules;
} else {
- s_rule->index = cpu_to_le16(lag->pf_rule_id);
+ s_rule->index = cpu_to_le16(*rule_idx);
opc = ice_aqc_opc_remove_sw_rules;
}
@@ -222,9 +227,9 @@ ice_lag_cfg_dflt_fltr(struct ice_lag *lag, bool add)
goto dflt_fltr_free;
if (add)
- lag->pf_rule_id = le16_to_cpu(s_rule->index);
+ *rule_idx = le16_to_cpu(s_rule->index);
else
- lag->pf_rule_id = 0;
+ *rule_idx = 0;
dflt_fltr_free:
kfree(s_rule);
@@ -232,6 +237,37 @@ dflt_fltr_free:
}
/**
+ * ice_lag_cfg_dflt_fltr - Add/Remove default VSI rule for LAG
+ * @lag: lag struct for local interface
+ * @add: boolean on whether to add filter
+ */
+static int
+ice_lag_cfg_dflt_fltr(struct ice_lag *lag, bool add)
+{
+ u32 act = ICE_SINGLE_ACT_VSI_FORWARDING |
+ ICE_SINGLE_ACT_VALID_BIT | ICE_SINGLE_ACT_LAN_ENABLE;
+
+ return ice_lag_cfg_fltr(lag, act, lag->pf_recipe,
+ &lag->pf_rule_id, add);
+}
+
+/**
+ * ice_lag_cfg_drop_fltr - Add/Remove lport drop rule
+ * @lag: lag struct for local interface
+ * @add: boolean on whether to add filter
+ */
+static int
+ice_lag_cfg_drop_fltr(struct ice_lag *lag, bool add)
+{
+ u32 act = ICE_SINGLE_ACT_VSI_FORWARDING |
+ ICE_SINGLE_ACT_VALID_BIT |
+ ICE_SINGLE_ACT_DROP;
+
+ return ice_lag_cfg_fltr(lag, act, lag->lport_recipe,
+ &lag->lport_rule_idx, add);
+}
+
+/**
* ice_lag_cfg_pf_fltrs - set filters up for new active port
* @lag: local interfaces lag struct
* @ptr: opaque data containing notifier event
@@ -257,13 +293,18 @@ ice_lag_cfg_pf_fltrs(struct ice_lag *lag, void *ptr)
if (bonding_info->slave.state && lag->pf_rule_id) {
if (ice_lag_cfg_dflt_fltr(lag, false))
dev_err(dev, "Error removing old default VSI filter\n");
+ if (ice_lag_cfg_drop_fltr(lag, true))
+ dev_err(dev, "Error adding new drop filter\n");
return;
}
/* interface becoming active - add new default VSI rule */
- if (!bonding_info->slave.state && !lag->pf_rule_id)
+ if (!bonding_info->slave.state && !lag->pf_rule_id) {
if (ice_lag_cfg_dflt_fltr(lag, true))
dev_err(dev, "Error adding new default VSI filter\n");
+ if (lag->lport_rule_idx && ice_lag_cfg_drop_fltr(lag, false))
+ dev_err(dev, "Error removing old drop filter\n");
+ }
}
/**
@@ -587,7 +628,7 @@ void ice_lag_move_new_vf_nodes(struct ice_vf *vf)
INIT_LIST_HEAD(&ndlist.node);
rcu_read_lock();
for_each_netdev_in_bond_rcu(lag->upper_netdev, tmp_nd) {
- nl = kzalloc(sizeof(*nl), GFP_KERNEL);
+ nl = kzalloc(sizeof(*nl), GFP_ATOMIC);
if (!nl)
break;
@@ -1179,6 +1220,7 @@ static void ice_lag_changeupper_event(struct ice_lag *lag, void *ptr)
swid = primary_lag->pf->hw.port_info->sw_id;
ice_lag_set_swid(swid, lag, true);
ice_lag_add_prune_list(primary_lag, lag->pf);
+ ice_lag_cfg_drop_fltr(lag, true);
}
/* add filter for primary control packets */
ice_lag_cfg_cp_fltr(lag, true);
@@ -1513,18 +1555,12 @@ static void ice_lag_chk_disabled_bond(struct ice_lag *lag, void *ptr)
*/
static void ice_lag_disable_sriov_bond(struct ice_lag *lag)
{
- struct ice_lag_netdev_list *entry;
struct ice_netdev_priv *np;
- struct net_device *netdev;
struct ice_pf *pf;
- list_for_each_entry(entry, lag->netdev_head, node) {
- netdev = entry->netdev;
- np = netdev_priv(netdev);
- pf = np->vsi->back;
-
- ice_clear_feature_support(pf, ICE_F_SRIOV_LAG);
- }
+ np = netdev_priv(lag->netdev);
+ pf = np->vsi->back;
+ ice_clear_feature_support(pf, ICE_F_SRIOV_LAG);
}
/**
@@ -1656,7 +1692,7 @@ ice_lag_event_handler(struct notifier_block *notif_blk, unsigned long event,
rcu_read_lock();
for_each_netdev_in_bond_rcu(upper_netdev, tmp_nd) {
- nd_list = kzalloc(sizeof(*nd_list), GFP_KERNEL);
+ nd_list = kzalloc(sizeof(*nd_list), GFP_ATOMIC);
if (!nd_list)
break;
@@ -1929,11 +1965,16 @@ int ice_init_lag(struct ice_pf *pf)
goto lag_error;
}
- err = ice_create_lag_recipe(&pf->hw, &lag->pf_recipe, ice_dflt_vsi_rcp,
- 1);
+ err = ice_create_lag_recipe(&pf->hw, &lag->pf_recipe,
+ ice_dflt_vsi_rcp, 1);
if (err)
goto lag_error;
+ err = ice_create_lag_recipe(&pf->hw, &lag->lport_recipe,
+ ice_lport_rcp, 3);
+ if (err)
+ goto free_rcp_res;
+
/* associate recipes to profiles */
for (n = 0; n < ICE_PROFID_IPV6_GTPU_IPV6_TCP_INNER; n++) {
err = ice_aq_get_recipe_to_profile(&pf->hw, n,
@@ -1942,7 +1983,8 @@ int ice_init_lag(struct ice_pf *pf)
continue;
if (recipe_bits & BIT(ICE_SW_LKUP_DFLT)) {
- recipe_bits |= BIT(lag->pf_recipe);
+ recipe_bits |= BIT(lag->pf_recipe) |
+ BIT(lag->lport_recipe);
ice_aq_map_recipe_to_profile(&pf->hw, n,
(u8 *)&recipe_bits, NULL);
}
@@ -1953,6 +1995,9 @@ int ice_init_lag(struct ice_pf *pf)
dev_dbg(dev, "INIT LAG complete\n");
return 0;
+free_rcp_res:
+ ice_free_hw_res(&pf->hw, ICE_AQC_RES_TYPE_RECIPE, 1,
+ &pf->lag->pf_recipe);
lag_error:
kfree(lag);
pf->lag = NULL;
@@ -1982,6 +2027,8 @@ void ice_deinit_lag(struct ice_pf *pf)
ice_free_hw_res(&pf->hw, ICE_AQC_RES_TYPE_RECIPE, 1,
&pf->lag->pf_recipe);
+ ice_free_hw_res(&pf->hw, ICE_AQC_RES_TYPE_RECIPE, 1,
+ &pf->lag->lport_recipe);
kfree(lag);
@@ -2022,7 +2069,7 @@ void ice_lag_rebuild(struct ice_pf *pf)
INIT_LIST_HEAD(&ndlist.node);
rcu_read_lock();
for_each_netdev_in_bond_rcu(lag->upper_netdev, tmp_nd) {
- nl = kzalloc(sizeof(*nl), GFP_KERNEL);
+ nl = kzalloc(sizeof(*nl), GFP_ATOMIC);
if (!nl)
break;
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