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'\" te .\" Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. .TH mac_capab_rings 9S "16 Jun 2011" "Oracle Solaris 11.4" "Kernel & Driver Data Structures" .SH NAME mac_capab_rings \- rings capability data structure .SH SYNOPSIS .LP .nf #include <sys/mac_provider.h> .fi .SH INTERFACE LEVEL .sp .LP Solaris architecture specific (Solaris DDI) .SH DESCRIPTION .sp .LP The \fBmac_capab_rings\fR structure is used by a network device driver to describe its rings capability. The structure is used as the argument to the \fBmc_getcapab\fR(9E) driver entry point when querying the \fBMAC_CAPAB_RINGS\fR capability. .SH STRUCTURE MEMBERS .sp .in +2 .nf mac_ring_type_t mr_type; mac_group_type_t mr_group_type; uint32_t mr_flags; mac_rings_version_t mr_version; uint_t mr_rnum; uint_t mr_gnum; mac_get_ring_t mr_rget; mac_get_group_t mr_gget; mac_group_add_ring_t mr_gaddring; mac_group_rem_ring_t mr_gremring; .fi .in -2 .sp .sp .LP The following fields of the \fBmac_capab_rings\fR structure are set to indicate the device's rings capability: .sp .ne 2 .mk .na \fB\fImr_type\fR\fR .ad .RS 17n .rt Set by MAC layer to indicate which driver resources is being queried. Possible ring types are \fBMAC_RING_TYPE_RX\fR or \fBMAC_RING_TYPE_TX\fR. .RE .sp .ne 2 .mk .na \fB\fImr_group_type\fR\fR .ad .RS 17n .rt Set by the driver to indicate whether the device is capable of static or dynamic ring grouping. Possible grouping types for the driver are \fBMAC_GROUP_TYPE_STATIC\fR or \fBMAC_GROUP_TYPE_DYNAMIC\fR. If the driver can dynamically grow and shrink ring groups, then it should advertise the \fBMAC_GROUP_TYPE_DYNAMIC\fR group type and implement \fBmr_gaddring()\fR and \fBmr_gremring()\fR entry points. .RE .sp .ne 2 .mk .na \fB\fImr_flags\fR\fR .ad .RS 17n .rt Set by the driver to indicate various conditions. Currently, \fBMAC_RINGS_VLAN_TRANSPARENT\fR is the possible value to indicate the hardware is capable of transparent VLANs. .RE .sp .ne 2 .mk .na \fB\fImr_version\fR\fR .ad .RS 17n .rt Set by the driver to indicate the version of the rings capability that the driver implements. The current revision level is \fBMAC_RINGS_VERSION_1\fR. .RE .sp .ne 2 .mk .na \fB\fImr_rnum\fR\fR .ad .RS 17n .rt Set by the driver to indicate the total number of RX or TX rings the driver implements. .RE .sp .ne 2 .mk .na \fB\fImr_gnum\fR\fR .ad .RS 17n .rt Set by the driver to indicate the total number of RX or TX ring groups the hardware implements. .RE .sp .ne 2 .mk .na \fB\fImr_rget\fR\fR .ad .RS 17n .rt A driver entry point to get specific ring information for each RX and TX ring the hardware implements. .RE .sp .ne 2 .mk .na \fB\fImr_gget\fR\fR .ad .RS 17n .rt A driver entry point to get the specific information for each RX and TX ring group the driver implements. .RE .sp .ne 2 .mk .na \fB\fImr_gaddring\fR\fR .ad .RS 17n .rt A driver entry point to add a ring to a driver ring group. This entry point is implemented for drivers who support dynamic ring grouping. .RE .sp .ne 2 .mk .na \fB\fImr_gremring\fR\fR .ad .RS 17n .rt A driver entry point to remove a specific ring from a driver ring group. .RE .SH ATTRIBUTES .sp .LP See \fBattributes\fR(7) for descriptions of the following attributes: .sp .TS tab( ) box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) . ATTRIBUTE TYPE ATTRIBUTE VALUE _ Availability system/header _ Interface Stability Committed .TE .sp .SH SEE ALSO .sp .LP \fBattributes\fR(7), \fBmac_capab_rings\fR(9E), \fBmac_group_info\fR(9E), \fBmc_getcapab\fR(9E), \fBmac_register\fR(9S)