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32 .Nd Marvell/SysKonnect Yukon II Gigabit Ethernet adapter driver
34 To compile this driver into the kernel,
35 place the following lines in your
36 kernel configuration file:
37 .Bd -ragged -offset indent
42 Alternatively, to load the driver as a
43 module at boot time, place the following line in
45 .Bd -literal -offset indent
51 device driver provides support for various NICs based on the
52 Marvell/SysKonnect Yukon II Gigabit Ethernet controller chip.
54 All NICs supported by the
56 driver have TCP/UDP/IP checksum offload for transmit, TCP
57 segmentation offload (TSO), hardware VLAN tag stripping/insertion
58 features and an interrupt moderation mechanism as well as a 64-bit
59 multicast hash filter.
60 The Yukon II supports TBI (ten bit interface) and GMII
61 transceivers, which means it can be used with either copper or
62 1000baseX fiber applications.
64 The Yukon II also supports Jumbo Frames (up to 9022 bytes), which can be
65 configured via the interface MTU setting.
66 Selecting an MTU larger than 1500 bytes with the
68 utility configures the adapter to receive and transmit Jumbo Frames.
72 driver supports the following media types:
73 .Bl -tag -width ".Cm 10baseT/UTP"
75 Enable autoselection of the media type and options.
76 The user can manually override
77 the autoselected mode by adding media options to
84 option can also be used to select either
90 Set 100Mbps (Fast Ethernet) operation.
94 option can also be used to select either
100 Set 1000baseTX operation over twisted pair.
104 option can also be used to select either
110 Set 1000Mbps (Gigabit Ethernet) operation.
120 driver supports the following media options:
121 .Bl -tag -width ".Cm full-duplex"
123 Force full duplex operation.
125 Force half duplex operation.
130 driver also supports one special link option for 1000baseTX cards:
131 .Bl -tag -width ".Cm link0"
133 With 1000baseTX cards, establishing a link between two ports requires
134 that one port is configured as master and the other one as slave.
135 With autonegotiation,
136 the master/slave settings will be chosen automatically.
137 However when manually selecting the link state, it is necessary to
138 force one side of the link to be a master and the other a slave.
141 driver configures the ports as slaves by default.
146 will set a port as a master instead.
149 For more information on configuring this device, see
154 driver provides support for various NICs based on the Marvell/SysKonnect
155 Yukon II based Gigabit Ethernet controller chips, including:
159 D-Link 550SX Gigabit Ethernet
161 D-Link 560T Gigabit Ethernet
163 Marvell Yukon 88E8021CU Gigabit Ethernet
165 Marvell Yukon 88E8021 SX/LX Gigabit Ethernet
167 Marvell Yukon 88E8022CU Gigabit Ethernet
169 Marvell Yukon 88E8022 SX/LX Gigabit Ethernet
171 Marvell Yukon 88E8061CU Gigabit Ethernet
173 Marvell Yukon 88E8061 SX/LX Gigabit Ethernet
175 Marvell Yukon 88E8062CU Gigabit Ethernet
177 Marvell Yukon 88E8062 SX/LX Gigabit Ethernet
179 Marvell Yukon 88E8035 Gigabit Ethernet
181 Marvell Yukon 88E8036 Gigabit Ethernet
183 Marvell Yukon 88E8038 Gigabit Ethernet
185 Marvell Yukon 88E8039 Gigabit Ethernet
187 Marvell Yukon 88E8050 Gigabit Ethernet
189 Marvell Yukon 88E8052 Gigabit Ethernet
191 Marvell Yukon 88E8053 Gigabit Ethernet
193 Marvell Yukon 88E8055 Gigabit Ethernet
195 Marvell Yukon 88E8056 Gigabit Ethernet
197 Marvell Yukon 88E8058 Gigabit Ethernet
199 SysKonnect SK-9Sxx Gigabit Ethernet
201 SysKonnect SK-9Exx Gigabit Ethernet
204 Tunables can be set at the
206 prompt before booting the kernel or stored in
208 .Bl -tag -width indent
209 .It Va hw.msk.msi_disable
210 This tunable disables MSI support on the Ethernet hardware.
211 The default value is 0.
214 The following variables are available as both
219 .Bl -tag -width indent
220 .It Va dev.mskc.%d.process_limit
221 Maximum amount of Rx events to be processed in the event loop before
222 rescheduling a taskqueue.
223 The accepted range is 30 to 256, the default value is 128 events.
224 The interface does not need to be brought down and up again before
225 a change takes effect.
238 driver was written by
240 .Aq yongari@FreeBSD.org