diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe')
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 96 |
1 files changed, 83 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 0ef4a15bb23e..5aa22ac49934 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -53,6 +53,7 @@ #include <net/vxlan.h> #include <net/pkt_cls.h> #include <net/tc_act/tc_gact.h> +#include <net/tc_act/tc_mirred.h> #include "ixgbe.h" #include "ixgbe_common.h" @@ -8319,6 +8320,85 @@ static int ixgbe_configure_clsu32_del_hnode(struct ixgbe_adapter *adapter, return 0; } +#ifdef CONFIG_NET_CLS_ACT +static int handle_redirect_action(struct ixgbe_adapter *adapter, int ifindex, + u8 *queue, u64 *action) +{ + unsigned int num_vfs = adapter->num_vfs, vf; + struct net_device *upper; + struct list_head *iter; + + /* redirect to a SRIOV VF */ + for (vf = 0; vf < num_vfs; ++vf) { + upper = pci_get_drvdata(adapter->vfinfo[vf].vfdev); + if (upper->ifindex == ifindex) { + if (adapter->num_rx_pools > 1) + *queue = vf * 2; + else + *queue = vf * adapter->num_rx_queues_per_pool; + + *action = vf + 1; + *action <<= ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF; + return 0; + } + } + + /* redirect to a offloaded macvlan netdev */ + netdev_for_each_all_upper_dev_rcu(adapter->netdev, upper, iter) { + if (netif_is_macvlan(upper)) { + struct macvlan_dev *dfwd = netdev_priv(upper); + struct ixgbe_fwd_adapter *vadapter = dfwd->fwd_priv; + + if (vadapter && vadapter->netdev->ifindex == ifindex) { + *queue = adapter->rx_ring[vadapter->rx_base_queue]->reg_idx; + *action = *queue; + return 0; + } + } + } + + return -EINVAL; +} + +static int parse_tc_actions(struct ixgbe_adapter *adapter, + struct tcf_exts *exts, u64 *action, u8 *queue) +{ + const struct tc_action *a; + int err; + + if (tc_no_actions(exts)) + return -EINVAL; + + tc_for_each_action(a, exts) { + + /* Drop action */ + if (is_tcf_gact_shot(a)) { + *action = IXGBE_FDIR_DROP_QUEUE; + *queue = IXGBE_FDIR_DROP_QUEUE; + return 0; + } + + /* Redirect to a VF or a offloaded macvlan */ + if (is_tcf_mirred_redirect(a)) { + int ifindex = tcf_mirred_ifindex(a); + + err = handle_redirect_action(adapter, ifindex, queue, + action); + if (err == 0) + return err; + } + } + + return -EINVAL; +} +#else +static int parse_tc_actions(struct ixgbe_adapter *adapter, + struct tcf_exts *exts, u64 *action, u8 *queue) +{ + return -EINVAL; +} +#endif /* CONFIG_NET_CLS_ACT */ + static int ixgbe_configure_clsu32(struct ixgbe_adapter *adapter, __be16 protocol, struct tc_cls_u32_offload *cls) @@ -8328,9 +8408,6 @@ static int ixgbe_configure_clsu32(struct ixgbe_adapter *adapter, struct ixgbe_mat_field *field_ptr; struct ixgbe_fdir_filter *input; union ixgbe_atr_input mask; -#ifdef CONFIG_NET_CLS_ACT - const struct tc_action *a; -#endif int i, err = 0; u8 queue; u32 uhtid, link_uhtid; @@ -8432,18 +8509,11 @@ static int ixgbe_configure_clsu32(struct ixgbe_adapter *adapter, if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4) mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK; -#ifdef CONFIG_NET_CLS_ACT - if (list_empty(&cls->knode.exts->actions)) + err = parse_tc_actions(adapter, cls->knode.exts, &input->action, + &queue); + if (err < 0) goto err_out; - list_for_each_entry(a, &cls->knode.exts->actions, list) { - if (!is_tcf_gact_shot(a)) - goto err_out; - } -#endif - - input->action = IXGBE_FDIR_DROP_QUEUE; - queue = IXGBE_FDIR_DROP_QUEUE; input->sw_idx = loc; spin_lock(&adapter->fdir_perfect_lock); |