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| 75767cb8 | hselasky | Feb. 1, 2022, 3:21 p.m. | mlx5en: Share DEK objects with TLS RX.
The TLS RX support also needs to be able to allocate DEK objects. Share the available objects 1:1. MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| fad4b7d1 | hselasky | Feb. 1, 2022, 3:21 p.m. | mlx5en: Add missing TLS structure prototype.
MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 3a1bf855 | hselasky | Feb. 1, 2022, 3:21 p.m. | mlx5en: Remove unused hardware TLS field.
MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 33a6a7a7 | hselasky | Feb. 1, 2022, 3:21 p.m. | mlx5en: Make the receive packet indirection table, RQT, static instead of dynamic.
Allocate the RQT once, pointing all initial entries to the drop RQN. When opening the channels simplify modify the RQT, directing all traffic to the new RQNs. Similarly when closing the channels point all RQT entries back to the so-called drop RQN. MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 7800af35 | hselasky | Feb. 1, 2022, 3:21 p.m. | mlx5en: Set CQN in RQ parameters for drop RQ.
Else creating the drop RQ fails. MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 03567b0d | hselasky | Feb. 1, 2022, 3:21 p.m. | mlx5en: Set channel pointer for drop receive queue.
A valid channel pointer is needed to get the priv pointer during init. MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 4e40e984 | hselasky | Feb. 1, 2022, 3:21 p.m. | mlx5en: Print error code when opening drop RQ fails.
MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 27b778ae | hselasky | Feb. 1, 2022, 3:21 p.m. | mlx5en: Implement dummy receive queue, RQ, for dropping packets.
What is a drop RQ and why is it needed? The RSS indirection table, also called the RQT, selects the destination RQ based on the receive queue number, RQN. The RQT is frequently referred to by flow steering rules to distribute traffic among multiple RQs. The problem is that the RQs cannot be destroyed before the RQT referring them is destroyed too. Further, TLS RX rules may still be referring to the RQT even if the link went down. Because there is no magic RQN for dropping packets, we create a dummy RQ, also called drop RQ, which sole purpose is to drop all received packets. When the link goes down this RQN is filled in all RQT entries, of the main RQT, so the real RQs which are about to be destroyed can be released and the TLS RX rules can be sustained. MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| a60f9534 | hselasky | Feb. 1, 2022, 3:21 p.m. | mlx5en: Make the hw_lro parameter read only tunable.
This prevents the so-called TIR context from changing during runtime. MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 788e9e74 | hselasky | Feb. 1, 2022, 3:21 p.m. | mlx5: Remove support for FreeBSD 10 and older.
MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 2d5e5a0d | hselasky | Feb. 1, 2022, 3:21 p.m. | mlx5en: Patch to inhibit transmit doorbell writes during packet reception.
During packet reception the network stack frequently transmit data in response to TCP window updates. To reduce the number of transmit doorbells needed, inhibit all transmit doorbells designated for the same channel until after the reception of packets for the given channel is completed. While at it slightly refactor the mlx5e_tx_notify_hw() function: 1) The doorbell information is always stored into sq->doorbell.d64 . No need to pass a separate pointer to this variable. 2) Move checks for skipping doorbell writes inside this function. MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 0f7b6e11 | kib | Feb. 1, 2022, 12:45 p.m. | mlx5en: Use a UMA cache zone for managing TLS send tags
Instead of allocating directly from a normal zone. This way import and release are guaranteed to process all allocated and then deallocated items. Also, the release occurs in a sleepable context when caller of uma_zfree() or uma_zdestroy() can sleep itself. MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 028130b8 | kib | Feb. 1, 2022, 12:45 p.m. | mlx5ib: idiomatic use of preprocessor, in particular paths
MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 70600979 | kib | Feb. 1, 2022, 12:45 p.m. | mlx5ib: normalize use of the opt_*.h files
MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |
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| 89918a23 | kib | Feb. 1, 2022, 12:45 p.m. | mlx5en: idiomatic use of preprocessor, in particular paths
MFC after: 1 week Sponsored by: NVIDIA Networkingcgit |