src/sys/dev/gve, branch releng/13.4 FreeBSD source tree gve: Make gve_free_qpls idempotent 2024-06-21T05:45:58+00:00 Shailend Chand shailend@google.com 2024-06-05T05:31:46+00:00 14454f417201a6c1075768c1a571b22c6d4c57d2 This fixes a panic caused by double free. PR: kern/279410 Differential Revision: https://reviews.freebsd.org/D45489 (cherry picked from commit b81cbb12410b000074483899e61e9e767ba3ec1d) 
This fixes a panic caused by double free.

PR:	kern/279410
Differential Revision: https://reviews.freebsd.org/D45489

(cherry picked from commit b81cbb12410b000074483899e61e9e767ba3ec1d)
gve: Make LRO work for jumbo packets 2023-10-04T03:38:44+00:00 Shailend Chand shailend@google.com 2023-09-07T13:28:26+00:00 a2c359c0f7715507f6a49a911becbd50a8521b9a Each Rx descriptor points to a packet buffer of size 2K, which means that MTUs greater than 2K see multi-descriptor packets. The TCP-hood of such packets was being incorrectly determined by looking for a flag on the last descriptor instead of the first descriptor. Also fixed and progressed the version number. Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D41754 (cherry picked from commit 5f62584a9adb7887bae33af617cfa4f43017abf8) 
Each Rx descriptor points to a packet buffer of size 2K, which means
that MTUs greater than 2K see multi-descriptor packets. The TCP-hood of
such packets was being incorrectly determined by looking for a flag on
the last descriptor instead of the first descriptor.

Also fixed and progressed the version number.

Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D41754

(cherry picked from commit 5f62584a9adb7887bae33af617cfa4f43017abf8)
gve: Simplify tx loop over buffer ring 2023-08-18T23:18:16+00:00 Shailend Chand shailend@google.com 2023-08-12T07:59:26+00:00 d3ca462c94b268cfa04cb66101fa41a3c752651d Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D41281 (cherry picked from commit 543cf924bcdcf064fed417ec3d66000ef66194d2) 
Reviewed by:	markj
Differential Revision: https://reviews.freebsd.org/D41281

(cherry picked from commit 543cf924bcdcf064fed417ec3d66000ef66194d2)
gve: Fix Tx tcpdump panic 2023-08-18T23:18:16+00:00 Shailend Chand shailend@google.com 2023-07-27T05:22:31+00:00 545ab0eb19931d8b2e978da18811f16b97b94c78 Ringing the doorbell before making the BPF call can result in the mbuf being freed before the BPF call. Reviewed-by: markj Differential Revision: https://reviews.freebsd.org/D41189 (cherry picked from commit 74861578d95573e13a2099143f9d4e7edbb82806) 
Ringing the doorbell before making the BPF call can result in the
mbuf being freed before the BPF call.

Reviewed-by:		markj
Differential Revision: https://reviews.freebsd.org/D41189

(cherry picked from commit 74861578d95573e13a2099143f9d4e7edbb82806)
gve: Unobfuscate code by using nitems directly for loop. 2023-08-18T23:18:15+00:00 Xin LI delphij@FreeBSD.org 2023-06-07T04:14:30+00:00 06d98c3bf47ec79f2e0c2942088eade399ea78b5 While there, also make MODULE_PNP_INFO to reflect that the device description is provided. Reported-by: jrtc27 Reviewed-by: jrtc27, imp Differential Revision: https://reviews.freebsd.org/D40430 (cherry picked from commit 1177a6c8dcfd6625c541d6ffc3c6915b8b6354f7) 
While there, also make MODULE_PNP_INFO to reflect that the device
description is provided.

Reported-by:	jrtc27
Reviewed-by:	jrtc27, imp
Differential Revision: https://reviews.freebsd.org/D40430

(cherry picked from commit 1177a6c8dcfd6625c541d6ffc3c6915b8b6354f7)
gve: Add PNP info to PCI attachment of gve(4) driver. 2023-08-18T23:18:15+00:00 Xin LI delphij@FreeBSD.org 2023-06-06T00:58:43+00:00 80a7ab5a4f7952c24f817ee8a21bc1d4a1fb2436 Reviewed-by: imp Differential Revision: https://reviews.freebsd.org/D40429 (cherry picked from commit 1bbdfb0b438689a839e29094fcb582a104cbabd9) 
Reviewed-by:		imp
Differential Revision:	https://reviews.freebsd.org/D40429

(cherry picked from commit 1bbdfb0b438689a839e29094fcb582a104cbabd9)
gve: Fix build on i386 and enable LINT builds. 2023-08-18T23:18:15+00:00 Xin LI delphij@FreeBSD.org 2023-06-04T23:35:00+00:00 78f491c86d04b8938ff7b26481268b8f223d86e0 Reviewed-by: imp Differential Revision: https://reviews.freebsd.org/D40419 (cherry picked from commit 4d779448adb32ef6424abb781dab87065964d42f) 
Reviewed-by:	imp
Differential Revision: https://reviews.freebsd.org/D40419

(cherry picked from commit 4d779448adb32ef6424abb781dab87065964d42f)
Add gve, the driver for Google Virtual NIC (gVNIC) 2023-08-18T23:18:15+00:00 Shailend Chand shailend@google.com 2023-06-02T18:58:24+00:00 4e846759f0a327c8e150ab8910b06f93edecf0d9 gVNIC is a virtual network interface designed specifically for Google Compute Engine (GCE). It is required to support per-VM Tier_1 networking performance, and for using certain VM shapes on GCE. The NIC supports TSO, Rx and Tx checksum offloads, and RSS. It does not currently do hardware LRO, and thus the software-LRO in the host is used instead. It also supports jumbo frames. For each queue, the driver negotiates a set of pages with the NIC to serve as a fixed bounce buffer, this precludes the use of iflib. Reviewed-by: markj Differential Revision: https://reviews.freebsd.org/D39873 (cherry picked from commit 54dfc97b0bd99f1c3bcbb37357cf28cd81a7cf00) 
gVNIC is a virtual network interface designed specifically for
Google Compute Engine (GCE). It is required to support per-VM Tier_1
networking performance, and for using certain VM shapes on GCE.

The NIC supports TSO, Rx and Tx checksum offloads, and RSS.
It does not currently do hardware LRO, and thus the software-LRO
in the host is used instead. It also supports jumbo frames.

For each queue, the driver negotiates a set of pages with the NIC to
serve as a fixed bounce buffer, this precludes the use of iflib.

Reviewed-by: 		markj
Differential Revision: https://reviews.freebsd.org/D39873

(cherry picked from commit 54dfc97b0bd99f1c3bcbb37357cf28cd81a7cf00)