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linux/drivers/net/ethernet/intel/i40e
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Björn Töpel 44ddd4f170 i40e: add tracking of AF_XDP ZC state for each queue pair 
In commit f3fef2b6e1 ("i40e: Remove umem from VSI") a regression was
introduced; When the VSI was reset, the setup code would try to enable
AF_XDP ZC unconditionally (as long as there was a umem placed in the
netdev._rx struct). Here, we add a bitmap to the VSI that tracks if a
certain queue pair has been "zero-copy enabled" via the ndo_bpf. The
bitmap is used in i40e_xsk_umem, and enables zero-copy if and only if
XDP is enabled, the corresponding qid in the bitmap is set and the
umem is non-NULL.

Fixes: f3fef2b6e1 ("i40e: Remove umem from VSI")
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-04-01 11:32:48 -07:00
..
i40e_adminq_cmd.h i40e: Add capability flag for stopping FW LLDP 2018-11-14 10:56:33 -08:00
i40e_adminq.c i40e: Add capability flag for stopping FW LLDP 2018-11-14 10:56:33 -08:00
i40e_adminq.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_alloc.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_client.c i40e/i40evf: cleanup incorrect function doxygen comments 2018-04-30 09:09:04 -07:00
i40e_client.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_common.c i40e: Allow disabling FW LLDP on X722 devices 2018-11-14 10:56:33 -08:00
i40e_dcb_nl.c i40e/i40evf: cleanup incorrect function doxygen comments 2018-04-30 09:09:04 -07:00
i40e_dcb.c i40e: fix reading LLDP configuration 2018-04-30 09:12:33 -07:00
i40e_dcb.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_debugfs.c i40e: remove debugfs tx_timeout support 2019-01-22 07:55:22 -08:00
i40e_devids.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_diag.c net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_diag.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_ethtool.c i40e: fix WoL support check 2019-03-26 16:16:55 -07:00
i40e_hmc.c i40e/i40evf: cleanup incorrect function doxygen comments 2018-04-30 09:09:04 -07:00
i40e_hmc.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_lan_hmc.c net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_lan_hmc.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_main.c i40e: add tracking of AF_XDP ZC state for each queue pair 2019-04-01 11:32:48 -07:00
i40e_nvm.c i40e/i40evf: cleanup incorrect function doxygen comments 2018-04-30 09:09:04 -07:00
i40e_osdep.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_prototype.h i40e: Add AQ command for rearrange NVM structure 2018-08-07 12:20:45 -07:00
i40e_ptp.c i40e: fix i40e_ptp_adjtime when given a negative delta 2019-03-26 15:14:04 -07:00
i40e_register.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_status.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_trace.h net: intel: Cleanup the copyright/license headers 2018-04-27 14:00:04 -04:00
i40e_txrx_common.h i40e: DRY rx_ptype handling code 2018-12-12 15:46:02 -08:00
i40e_txrx.c i40e: fix XDP_REDIRECT/XDP xmit ring cleanup race 2019-02-21 11:07:49 -08:00
i40e_txrx.h i40e: add AF_XDP zero-copy Rx support 2018-08-29 12:25:53 -07:00
i40e_type.h i40e: Add capability flag for stopping FW LLDP 2018-11-14 10:56:33 -08:00
i40e_virtchnl_pf.c i40e: clean up several indentation issues 2019-01-22 08:42:03 -08:00
i40e_virtchnl_pf.h i40e: Use correct shift for VLAN priority 2018-11-14 10:56:33 -08:00
i40e_xsk.c i40e: add tracking of AF_XDP ZC state for each queue pair 2019-04-01 11:32:48 -07:00
i40e_xsk.h net: bpf: remove XDP_QUERY_XSK_UMEM enumerator 2019-02-15 15:14:22 +01:00
i40e.h i40e: add tracking of AF_XDP ZC state for each queue pair 2019-04-01 11:32:48 -07:00
Makefile i40e: add AF_XDP zero-copy Rx support 2018-08-29 12:25:53 -07:00