7  * Copyright (c) 2003-2016 Cavium, Inc.
14  * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
28 /* Maximum number of 8-byte words can be sent in a NIC control message.
64 #define MAX_UDD_SIZE(nctrl) (sizeof((nctrl)->udd))
71 	 *  OSI layer passes this as-is to the driver.
114 	return ((u32)atomic_read(&oct->instr_queue[q_no]->instr_pending)  in octnet_iq_is_full()
115 		>= (oct->instr_queue[q_no]->max_count - 2));  in octnet_iq_is_full()
130 	ih2 = (struct octeon_instr_ih2 *)&cmd->cmd2.ih2;  in octnet_prepare_pci_cmd_o2()
135 	ih2->fsz = LIO_PCICMD_O2;  in octnet_prepare_pci_cmd_o2()
137 	ih2->tagtype = ORDERED_TAG;  in octnet_prepare_pci_cmd_o2()
138 	ih2->grp = DEFAULT_POW_GRP;  in octnet_prepare_pci_cmd_o2()
140 	port = (int)oct->instr_queue[setup->s.iq_no]->txpciq.s.port;  in octnet_prepare_pci_cmd_o2()
143 		ih2->tag = tag;  in octnet_prepare_pci_cmd_o2()
145 		ih2->tag = LIO_DATA(port);  in octnet_prepare_pci_cmd_o2()
147 	ih2->raw = 1;  in octnet_prepare_pci_cmd_o2()
148 	ih2->qos = (port & 3) + 4;	/* map qos based on interface */  in octnet_prepare_pci_cmd_o2()
150 	if (!setup->s.gather) {  in octnet_prepare_pci_cmd_o2()
151 		ih2->dlengsz = setup->s.u.datasize;  in octnet_prepare_pci_cmd_o2()
153 		ih2->gather = 1;  in octnet_prepare_pci_cmd_o2()
154 		ih2->dlengsz = setup->s.u.gatherptrs;  in octnet_prepare_pci_cmd_o2()
157 	irh = (struct octeon_instr_irh *)&cmd->cmd2.irh;  in octnet_prepare_pci_cmd_o2()
159 	irh->opcode = OPCODE_NIC;  in octnet_prepare_pci_cmd_o2()
160 	irh->subcode = OPCODE_NIC_NW_DATA;  in octnet_prepare_pci_cmd_o2()
164 	packet_params.s.ip_csum = setup->s.ip_csum;  in octnet_prepare_pci_cmd_o2()
165 	packet_params.s.transport_csum = setup->s.transport_csum;  in octnet_prepare_pci_cmd_o2()
166 	packet_params.s.tnl_csum = setup->s.tnl_csum;  in octnet_prepare_pci_cmd_o2()
167 	packet_params.s.tsflag = setup->s.timestamp;  in octnet_prepare_pci_cmd_o2()
169 	irh->ossp = packet_params.u32;  in octnet_prepare_pci_cmd_o2()
185 	ih3 = (struct octeon_instr_ih3 *)&cmd->cmd3.ih3;  in octnet_prepare_pci_cmd_o3()
186 	pki_ih3 = (struct octeon_instr_pki_ih3 *)&cmd->cmd3.pki_ih3;  in octnet_prepare_pci_cmd_o3()
191 	ih3->pkind       = oct->instr_queue[setup->s.iq_no]->txpciq.s.pkind;  in octnet_prepare_pci_cmd_o3()
193 	ih3->fsz = LIO_PCICMD_O3;  in octnet_prepare_pci_cmd_o3()
195 	if (!setup->s.gather) {  in octnet_prepare_pci_cmd_o3()
196 		ih3->dlengsz = setup->s.u.datasize;  in octnet_prepare_pci_cmd_o3()
198 		ih3->gather = 1;  in octnet_prepare_pci_cmd_o3()
199 		ih3->dlengsz = setup->s.u.gatherptrs;  in octnet_prepare_pci_cmd_o3()
202 	pki_ih3->w       = 1;  in octnet_prepare_pci_cmd_o3()
203 	pki_ih3->raw     = 1;  in octnet_prepare_pci_cmd_o3()
204 	pki_ih3->utag    = 1;  in octnet_prepare_pci_cmd_o3()
205 	pki_ih3->utt     = 1;  in octnet_prepare_pci_cmd_o3()
206 	pki_ih3->uqpg    = oct->instr_queue[setup->s.iq_no]->txpciq.s.use_qpg;  in octnet_prepare_pci_cmd_o3()
208 	port = (int)oct->instr_queue[setup->s.iq_no]->txpciq.s.port;  in octnet_prepare_pci_cmd_o3()
211 		pki_ih3->tag = tag;  in octnet_prepare_pci_cmd_o3()
213 		pki_ih3->tag     = LIO_DATA(port);  in octnet_prepare_pci_cmd_o3()
215 	pki_ih3->tagtype = ORDERED_TAG;  in octnet_prepare_pci_cmd_o3()
216 	pki_ih3->qpg     = oct->instr_queue[setup->s.iq_no]->txpciq.s.qpg;  in octnet_prepare_pci_cmd_o3()
217 	pki_ih3->pm      = 0x7; /*0x7 - meant for Parse nothing, uninterpreted*/  in octnet_prepare_pci_cmd_o3()
218 	pki_ih3->sl      = 8;   /* sl will be sizeof(pki_ih3)*/  in octnet_prepare_pci_cmd_o3()
220 	irh = (struct octeon_instr_irh *)&cmd->cmd3.irh;  in octnet_prepare_pci_cmd_o3()
222 	irh->opcode = OPCODE_NIC;  in octnet_prepare_pci_cmd_o3()
223 	irh->subcode = OPCODE_NIC_NW_DATA;  in octnet_prepare_pci_cmd_o3()
227 	packet_params.s.ip_csum = setup->s.ip_csum;  in octnet_prepare_pci_cmd_o3()
228 	packet_params.s.transport_csum = setup->s.transport_csum;  in octnet_prepare_pci_cmd_o3()
229 	packet_params.s.tnl_csum = setup->s.tnl_csum;  in octnet_prepare_pci_cmd_o3()
230 	packet_params.s.tsflag = setup->s.timestamp;  in octnet_prepare_pci_cmd_o3()
232 	irh->ossp = packet_params.u32;  in octnet_prepare_pci_cmd_o3()
236  * @param cmd - pointer to instruction to be filled in.
237  * @param setup - pointer to the setup structure
238  * @param q_no - which queue for back pressure
240  * Assumes the cmd instruction is pre-allocated, but no fields are filled in.
254  * @param oct - octeon device pointer
255  * @param cmd - pointer to the command structure, pre-filled for everything
257  * @param rdatasize - size in bytes of the response.
268  * @param oct - octeon device pointer
269  * @param ndata - control structure with queueing, and buffer information
279  * @param oct - octeon device pointer
280  * @param nctrl - control structure with command, timout, and callback info