src/sys/dev/ixgbe, branch releng/12.2

MFC r360398 and r360902

2020-05-14T19:56:54Z

These commits introduce a new iflib device-dependent method and implements that method in the Intel ethernet network drivers; this method tells iflib if the network interface needs to be restarted when certain events happen. This fixes several issues that occur when VLANs are registered or unregistered with the network interface. PR: 240818, 241785 Sponsored by: Intel Corporation

MFC isc_pause_frame field fixes to Intel ethernet drivers

2020-01-02T22:57:21Z

This MFC includes: r353656, r353657, r353658, and r353661 Sponsored by: Intel Corporation

MFC r354349: if_ixv: disable RSS configuration on 82599 and X540 VFs

2019-12-03T07:22:16Z

It is reported that those VFs share their RSS configuration with PF and, thus, they cannot be configured independently. Also: - add missing opt_rss.h to if_ixv.c, otherwise RSS kernel option could not be seen - do not enable IXGBE_FEATURE_RSS on the older VFs - set flowid / hash type to M_HASHTYPE_NONE or M_HASHTYPE_OPAQUE_HASH (based on what the hardware reports) if IXGBE_FEATURE_RSS is not set

MFC r353599

2019-10-16T17:26:24Z

MFCs ixgbe: Disable EEE for backplane X550EM_X This prevents a possible kernel panic on X552 backplane devices. Sponsored by: Intel Corporation

MFC r352656: ix/ixv: Read MSI-X bar from device config

2019-09-30T17:36:49Z

This fixes an issue with some HP-branded Intel 10G cards not being able to use MSI-X. Sponsored by: Intel Corporation

MFC r345303, r345305, r345657, r345658

2019-04-17T23:02:37Z

Includes: - iflib: prevent possible infinite loop in iflib_encap - iflib: expose the Rx mbuf buffer size to drivers - iflib: hold the CTX lock in iflib_pseudo_register - iflib: return ENETDOWN when the network device is down

MFC r344643 and r345306

2019-04-17T22:41:27Z

Includes two ixgbe/ixv fixes: ixgbe(4): Fix panic triggered by assertion from interrupt ixv(4): Add missing IFLIB_IS_VF flag in iflib shared ctx Sponsored by: Intel Corporation

MFC r343617, r343618:

2019-02-15T09:49:09Z

Make iflib a loadable module.

MFC: r343622

2019-02-13T15:27:17Z

ix(4),ixv(4): Fix TSO offloads when TXCSUM is disabled This patch and commit message are based on r340256 created by Jacob Keller: The iflib stack does not disable TSO automatically when TXCSUM is disabled, instead assuming that the driver will correctly handle TSOs even when CSUM_IP is not set. This results in iflib calling ixgbe_isc_txd_encap with packets which have CSUM_IP_TSO, but do not have CSUM_IP or CSUM_IP_TCP set. Because of this, ixgbe_tx_ctx_setup will not setup the IPv4 checksum offloading. This results in bad TSO packets being sent if a user disables TXCSUM without disabling TSO. Fix this by updating the ixgbe_tx_ctx_setup function to check both CSUM_IP and CSUM_IP_TSO when deciding whether to enable checksums. Once this is corrected, another issue for TSO packets is revealed. The driver sets IFLIB_NEED_ZERO_CSUM in order to enable a work around that causes the ip->sum field to be zero'd. This is necessary for ix hardware to correctly perform TSOs. However, if TXCSUM is disabled, then the work around is not enabled, as CSUM_IP will not be set when the iflib stack checks to see if it should clear the sum field. Fix this by adding IFLIB_TSO_INIT_IP to the iflib flags for the ix and ixv interface files. Once both of these changes are made, the ix and ixv drivers should correctly offload TSO packets when TSO offload is enabled, regardless of whether TXCSUM is enabled or disabled. Submitted by: Piotr Pietruszewski Reviewed by: IntelNetworking Differential Revision: https://reviews.freebsd.org/D18470

MFC: r343621

2019-02-13T15:19:31Z

ix(4): Run {mod,msf,mbx,fdir,phy}_task in if_update_admin_status From Piotr: This patch introduces adapter->task_requests register responsible for recording requests for mod_task, msf_task, mbx_task, fdir_task and phy_task calls. Instead of enqueueing these tasks with GROUPTASK_ENQUEUE, handlers will be called directly from ixgbe_if_update_admin_status() while holding ctx lock. SIOCGIFXMEDIA ioctl() call reads adapter->media list. The list is deleted and rewritten in ixgbe_handle_msf() task without holding ctx lock. This change is needed to maintain data coherency when sharing adapter info via ioctl() calls. Patch co-authored by Krzysztof Galazka . PR: 221317 Submitted by: Piotr Pietruszewski Reviewed by: sbruno@, IntelNetworking Differential Revision: https://reviews.freebsd.org/D18468