Chelsio Terminator T1 10 Gigabit Ethernet adapters
Chelsio's first-generation Terminator (T1) 10 Gigabit Ethernet PCI/PCI-X server NICs, including the T110, N210, and T210 boards, sold in the mid-2000s as some of the earliest 10GbE adapters for Linux servers and high-performance computing clusters.
recommendation
Worth keeping but documenting as legacy hardware. Chelsio long ago moved on to T5, T6, and T7 generation adapters and no longer sells T1-era cards new, but the driver continues to receive routine upstream maintenance into 2025 (for example a net/ethtool cleanup in April 2025), suggesting the cost of carrying it is low and a few legacy deployments likely still rely on it. A note marking it as a first-generation Terminator driver retained for compatibility would help future cleanup decisions without disrupting current users.
repository signals
sources
- lore.kernel.org
The driver still receives upstream maintenance touches in 2025; cxgb2.c was part of a net/ethtool patch posted on 2025-04-16.
- cateee.net
LKDDb maps CONFIG_CHELSIO_T1/cxgb to Chelsio 10Gb Ethernet support and lists supported PCI IDs, confirming this is the legacy Chelsio T1-family driver still present in current kernels.
- chelsio.com
Chelsio's current product page advertises later-generation adapters and says it is shipping seventh-generation technology, not T1-era adapters.
- chelsio.com
Chelsio's current naming guidance describes modern T5/T6/T7 Terminator families, supporting the inference that T1 hardware is long out of new-product rotation.
codex reasoning notes (technical)
Local source inspection via `rg` found `Makefile: # Chelsio T1 driver` and board strings like T110/N210/T210, so the family is Terminator T1. Lore evidence came from `lore_file_timeline` on `drivers/net/ethernet/chelsio/cxgb/cxgb2.c`; it shows non-removal upstream activity through 2025, mostly API/treewide upkeep rather than new feature work. External evidence came from web search: LKDDb confirms the driver/hardware mapping, while Chelsio's current official product pages only market much newer generations; from that I infer T1 is not sold new in 2025 and survives mainly in legacy deployments. Because upstream still touches it, I would annotate it as legacy rather than deprecate/remove now.