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2d4238f556
Add zero copy AF_XDP support. This patch adds zero copy support for Tx and Rx; code for zero copy is added to ice_xsk.h and ice_xsk.c. For Tx, implement ndo_xsk_wakeup. As with other drivers, reuse existing XDP Tx queues for this task, since XDP_REDIRECT guarantees mutual exclusion between different NAPI contexts based on CPU ID. In turn, a netdev can XDP_REDIRECT to another netdev with a different NAPI context, since the operation is bound to a specific core and each core has its own hardware ring. For Rx, allocate frames as MEM_TYPE_ZERO_COPY on queues that AF_XDP is enabled. Signed-off-by: Krzysztof Kazimierczak <krzysztof.kazimierczak@intel.com> Co-developed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2018, Intel Corporation. */
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#ifndef _ICE_LIB_H_
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#define _ICE_LIB_H_
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#include "ice.h"
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int
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ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list,
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const u8 *macaddr);
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void ice_free_fltr_list(struct device *dev, struct list_head *h);
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void ice_update_eth_stats(struct ice_vsi *vsi);
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int ice_vsi_cfg_rxqs(struct ice_vsi *vsi);
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int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi);
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void ice_vsi_cfg_msix(struct ice_vsi *vsi);
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int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid);
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int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid);
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int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi);
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int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena);
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int ice_vsi_start_rx_rings(struct ice_vsi *vsi);
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int ice_vsi_stop_rx_rings(struct ice_vsi *vsi);
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int
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ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src,
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u16 rel_vmvf_num);
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int ice_vsi_cfg_xdp_txqs(struct ice_vsi *vsi);
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int ice_vsi_stop_xdp_tx_rings(struct ice_vsi *vsi);
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int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena, bool vlan_promisc);
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void ice_cfg_sw_lldp(struct ice_vsi *vsi, bool tx, bool create);
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void ice_vsi_delete(struct ice_vsi *vsi);
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int ice_vsi_clear(struct ice_vsi *vsi);
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#ifdef CONFIG_DCB
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int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc);
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#endif /* CONFIG_DCB */
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struct ice_vsi *
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ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
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enum ice_vsi_type type, u16 vf_id);
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void ice_napi_del(struct ice_vsi *vsi);
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int ice_vsi_release(struct ice_vsi *vsi);
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void ice_vsi_close(struct ice_vsi *vsi);
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int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id);
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int
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ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id);
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int ice_vsi_rebuild(struct ice_vsi *vsi);
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bool ice_is_reset_in_progress(unsigned long *state);
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void ice_vsi_put_qs(struct ice_vsi *vsi);
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void ice_vsi_dis_irq(struct ice_vsi *vsi);
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void ice_vsi_free_irq(struct ice_vsi *vsi);
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void ice_vsi_free_rx_rings(struct ice_vsi *vsi);
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void ice_vsi_free_tx_rings(struct ice_vsi *vsi);
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int ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena);
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void ice_update_tx_ring_stats(struct ice_ring *ring, u64 pkts, u64 bytes);
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void ice_update_rx_ring_stats(struct ice_ring *ring, u64 pkts, u64 bytes);
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void ice_vsi_cfg_frame_size(struct ice_vsi *vsi);
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u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran);
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char *ice_nvm_version_str(struct ice_hw *hw);
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enum ice_status
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ice_vsi_cfg_mac_fltr(struct ice_vsi *vsi, const u8 *macaddr, bool set);
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bool ice_is_safe_mode(struct ice_pf *pf);
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#endif /* !_ICE_LIB_H_ */
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