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1 .\" Copyright (c) 2011-2016, Chelsio Inc
25 .\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
37 .Nd "Chelsio T4-, T5-, and T6-based 100Gb, 40Gb, 25Gb, 10Gb, and 1Gb Ethernet adapter driver"
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58 driver provides support for PCI Express Ethernet adapters based on
70 driver uses different names for devices based on the associated ASIC:
71 .Bl -column -offset indent "ASIC" "Port Name" "Parent Device"
82 adapter-wide MIBs under dev.t5nex.
84 dev.<port> for port MIBs and dev.<nexus> for adapter-wide MIBs.
86 For more information on configuring this device, see
91 driver supports 100Gb and 25Gb Ethernet adapters based on the T6 ASIC:
93 .Bl -bullet -compact
95 Chelsio T6225-CR
97 Chelsio T6225-SO-CR
99 Chelsio T62100-LP-CR
101 Chelsio T62100-SO-CR
103 Chelsio T62100-CR
108 driver supports 40Gb, 10Gb and 1Gb Ethernet adapters based on the T5 ASIC:
110 .Bl -bullet -compact
112 Chelsio T580-CR
114 Chelsio T580-LP-CR
116 Chelsio T580-LP-SO-CR
118 Chelsio T560-CR
120 Chelsio T540-CR
122 Chelsio T540-LP-CR
124 Chelsio T522-CR
126 Chelsio T520-LL-CR
128 Chelsio T520-CR
130 Chelsio T520-SO
132 Chelsio T520-BT
134 Chelsio T504-BT
139 driver supports 10Gb and 1Gb Ethernet adapters based on the T4 ASIC:
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143 Chelsio T420-CR
145 Chelsio T422-CR
147 Chelsio T440-CR
149 Chelsio T420-BCH
151 Chelsio T440-BCH
153 Chelsio T440-CH
155 Chelsio T420-SO
157 Chelsio T420-CX
159 Chelsio T420-BT
161 Chelsio T404-BT
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175 The default is 16 or the number
179 The default is 8 or the number
183 The default is 8 or the
187 The default is 2 or the
192 The first virtual interface on each port is required and represents
193 the primary network interface on the port.
194 Additional virtual interfaces on a port are named using the Virtual Interface
198 The default is 1.
203 by default (all values are in microseconds) and the index selects a
206 The default value is 1 which means the timer value is 5us.
211 Packet-count index value used to delay interrupts.
212 The packet-count list has the values 1, 8, 16, and 32 by default,
215 The default value is -1 which means packet counting is disabled and interrupts
216 are generated based solely on the holdoff timer value.
227 The default value is 1024.
234 The default value is 1024.
241 Bit 0 represents INTx (line interrupts), bit 1 MSI, and bit 2 MSI-X.
242 The default is 7 (all allowed).
246 -1 indicates the driver should determine whether to enable or disable PCIe RO.
250 The default is -1.
252 0 prohibits the driver from installing a firmware on the card.
255 already on the card.
256 2 instructs the driver to always install the new firmware on the card as
258 the one already on the card.
259 The default is 1.
263 The default value is 0.
266 0-7 are all valid values.
268 A non-zero value ensures that writes from the hardware to a receive buffer are
270 The default is -1 which lets the driver pick a pad boundary.
274 -1 disables congestion feedback and is not recommended.
275 0 instructs the hardware to backpressure its pipeline on congestion.
288 The default is 7 (all three = 1).
289 This tunable establishes the default PAUSE settings for all ports.
290 Settings can be displayed and controlled on a per-port basis via the
294 -1 (default) means driver should automatically pick a value.
297 Bit 0 enables RS FEC, bit 1 enables BASE-R FEC (aka Firecode FEC), bit
301 This tunable establishes the default FEC settings for all ports.
302 Settings can be controlled on a per-port basis via the
304 The FEC in use on the link is available in dev.<port>.X.link_fec when
308 This tunable establishes the default autonegotiation settings for all ports.
309 Settings can be displayed and controlled on a per-port basis via the
313 The default is -1 which lets the driver pick a value.
314 dev.<port>.X.autoneg is -1 for port and module combinations that do not support
319 The default is -1 which lets the driver decide.
331 Note that largest_rx_cluster merely establishes a ceiling -- the driver is
334 Select a pre-packaged device configuration file.
336 hardware resources on the card.
349 Each of these is a bit field with a bit for each sub-capability within the
362 The default value is 0 and should be changed only if PF and VF interfaces need
368 Default is 0.
373 This facility is available on T4 and T5 based cards only.
376 Default is 0.
380 Default is 1.
384 Default is 0.
388 Default is 0.
420 .An -nosplit