io/mac/mac_datapath_setup.c

186  * Re-targeting is allowed only for exclusive group or for primary.
1277 	boolean_t primary = mac_is_primary_client(mac_srs->srs_mcip);
1285 	 * 3) ddi_handle is NULL and !primary
1286 	 * 4) primary, ddi_handle is NULL but fe_rx_srs_cnt > 2
1288 	 * This routine will re-target fixed interrupt for primary
1293 	    (mintr->mi_ddi_handle == NULL && !primary) || (primary &&
2319 	/* A primary NIC/link is being plumbed */
2706  * A Link (primary NIC, VNIC, VLAN or aggr) can have 1 or more
2729  * ring per Link and more than 1 Rx ring for primary Link for
2774  * Primary and non primary MAC clients
2781  *	The Link that owns the primary MAC address and typically
2783  *	H/W resources are preferntially given to primary NIC. As
2785  *	primary NIC vs VNICs. They are all treated as Links.
2787  *	classifier for the primary MAC address, get a soft ring set
2820  * primary Link. The primary Link SRS can do polling on it as long as
2829  * NICs which needs S/W classification. We assign the primary mac
2831  * primary unicast MAC address to the selected ring. The primary Link
2836  * rings for the primary Link with the primary MAC address + TCP going
2837  * to one ring and primary MAC address + UDP|SCTP going to other ring.
2838  * Any remaining traffic for primary MAC address can go to the default
2907 		 * By default we have given the primary all the rings
2908 		 * i.e. the default group. Let's see if the primary
2910 		 * client doesn't impact the primary's performance,
2911 		 * i.e. if the primary is in the default group and
2912 		 * we add this client, the primary will lose polling.
2915 		 * after the primary (i.e. nactiveclients is 2)
3079 	/* Switch the primary back to default group */
3174 				 * to see if the primary client can get
3300 	 * If the primary is the only one left and the MAC supports
3301 	 * dynamic grouping, we need to see if the primary needs to
3315 		 * If the primary has an explicit property set, leave it
3321 		 * Switch the primary to the default group.