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path: root/drivers/net/ethernet/cavium/liquidio/octeon_nic.h
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Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/octeon_nic.h')
-rw-r--r--drivers/net/ethernet/cavium/liquidio/octeon_nic.h154
1 files changed, 110 insertions, 44 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_nic.h b/drivers/net/ethernet/cavium/liquidio/octeon_nic.h
index 0238857c8105..b71a2bbe4bee 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_nic.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_nic.h
@@ -52,6 +52,9 @@ struct octnic_ctrl_pkt {
/** Additional data that may be needed by some commands. */
u64 udd[MAX_NCTRL_UDD];
+ /** Input queue to use to send this command. */
+ u64 iq_no;
+
/** Time to wait for Octeon software to respond to this control command.
* If wait_time is 0, OSI assumes no response is expected.
*/
@@ -82,7 +85,7 @@ struct octnic_data_pkt {
u32 datasize;
/** Command to be passed to the Octeon device software. */
- struct octeon_instr_64B cmd;
+ union octeon_instr_64B cmd;
/** Input queue to use to send this command. */
u32 q_no;
@@ -94,15 +97,14 @@ struct octnic_data_pkt {
*/
union octnic_cmd_setup {
struct {
- u32 ifidx:8;
- u32 cksum_offset:7;
+ u32 iq_no:8;
u32 gather:1;
u32 timestamp:1;
- u32 ipv4opts_ipv6exthdr:2;
u32 ip_csum:1;
+ u32 transport_csum:1;
u32 tnl_csum:1;
+ u32 rsvd:19;
- u32 rsvd:11;
union {
u32 datasize;
u32 gatherptrs;
@@ -113,79 +115,146 @@ union octnic_cmd_setup {
};
-struct octnic_ctrl_params {
- u32 resp_order;
-};
-
static inline int octnet_iq_is_full(struct octeon_device *oct, u32 q_no)
{
return ((u32)atomic_read(&oct->instr_queue[q_no]->instr_pending)
>= (oct->instr_queue[q_no]->max_count - 2));
}
-/** Utility function to prepare a 64B NIC instruction based on a setup command
- * @param cmd - pointer to instruction to be filled in.
- * @param setup - pointer to the setup structure
- * @param q_no - which queue for back pressure
- *
- * Assumes the cmd instruction is pre-allocated, but no fields are filled in.
- */
static inline void
-octnet_prepare_pci_cmd(struct octeon_instr_64B *cmd,
- union octnic_cmd_setup *setup, u32 tag)
+octnet_prepare_pci_cmd_o2(struct octeon_device *oct,
+ union octeon_instr_64B *cmd,
+ union octnic_cmd_setup *setup, u32 tag)
{
- struct octeon_instr_ih *ih;
+ struct octeon_instr_ih2 *ih2;
struct octeon_instr_irh *irh;
union octnic_packet_params packet_params;
+ int port;
- memset(cmd, 0, sizeof(struct octeon_instr_64B));
+ memset(cmd, 0, sizeof(union octeon_instr_64B));
- ih = (struct octeon_instr_ih *)&cmd->ih;
+ ih2 = (struct octeon_instr_ih2 *)&cmd->cmd2.ih2;
/* assume that rflag is cleared so therefore front data will only have
- * irh and ossp[1] and ossp[2] for a total of 24 bytes
+ * irh and ossp[0], ossp[1] for a total of 32 bytes
*/
- ih->fsz = 24;
+ ih2->fsz = 24;
+
+ ih2->tagtype = ORDERED_TAG;
+ ih2->grp = DEFAULT_POW_GRP;
- ih->tagtype = ORDERED_TAG;
- ih->grp = DEFAULT_POW_GRP;
+ port = (int)oct->instr_queue[setup->s.iq_no]->txpciq.s.port;
if (tag)
- ih->tag = tag;
+ ih2->tag = tag;
else
- ih->tag = LIO_DATA(setup->s.ifidx);
+ ih2->tag = LIO_DATA(port);
- ih->raw = 1;
- ih->qos = (setup->s.ifidx & 3) + 4; /* map qos based on interface */
+ ih2->raw = 1;
+ ih2->qos = (port & 3) + 4; /* map qos based on interface */
if (!setup->s.gather) {
- ih->dlengsz = setup->s.u.datasize;
+ ih2->dlengsz = setup->s.u.datasize;
} else {
- ih->gather = 1;
- ih->dlengsz = setup->s.u.gatherptrs;
+ ih2->gather = 1;
+ ih2->dlengsz = setup->s.u.gatherptrs;
}
- irh = (struct octeon_instr_irh *)&cmd->irh;
+ irh = (struct octeon_instr_irh *)&cmd->cmd2.irh;
irh->opcode = OPCODE_NIC;
irh->subcode = OPCODE_NIC_NW_DATA;
packet_params.u32 = 0;
- if (setup->s.cksum_offset) {
- packet_params.s.csoffset = setup->s.cksum_offset;
- packet_params.s.ipv4opts_ipv6exthdr =
- setup->s.ipv4opts_ipv6exthdr;
+ packet_params.s.ip_csum = setup->s.ip_csum;
+ packet_params.s.transport_csum = setup->s.transport_csum;
+ packet_params.s.tnl_csum = setup->s.tnl_csum;
+ packet_params.s.tsflag = setup->s.timestamp;
+
+ irh->ossp = packet_params.u32;
+}
+
+static inline void
+octnet_prepare_pci_cmd_o3(struct octeon_device *oct,
+ union octeon_instr_64B *cmd,
+ union octnic_cmd_setup *setup, u32 tag)
+{
+ struct octeon_instr_irh *irh;
+ struct octeon_instr_ih3 *ih3;
+ struct octeon_instr_pki_ih3 *pki_ih3;
+ union octnic_packet_params packet_params;
+ int port;
+
+ memset(cmd, 0, sizeof(union octeon_instr_64B));
+
+ ih3 = (struct octeon_instr_ih3 *)&cmd->cmd3.ih3;
+ pki_ih3 = (struct octeon_instr_pki_ih3 *)&cmd->cmd3.pki_ih3;
+
+ /* assume that rflag is cleared so therefore front data will only have
+ * irh and ossp[1] and ossp[2] for a total of 24 bytes
+ */
+ ih3->pkind = oct->instr_queue[setup->s.iq_no]->txpciq.s.pkind;
+ /*PKI IH*/
+ ih3->fsz = 24 + 8;
+
+ if (!setup->s.gather) {
+ ih3->dlengsz = setup->s.u.datasize;
+ } else {
+ ih3->gather = 1;
+ ih3->dlengsz = setup->s.u.gatherptrs;
}
+ pki_ih3->w = 1;
+ pki_ih3->raw = 1;
+ pki_ih3->utag = 1;
+ pki_ih3->utt = 1;
+ pki_ih3->uqpg = oct->instr_queue[setup->s.iq_no]->txpciq.s.use_qpg;
+
+ port = (int)oct->instr_queue[setup->s.iq_no]->txpciq.s.port;
+
+ if (tag)
+ pki_ih3->tag = tag;
+ else
+ pki_ih3->tag = LIO_DATA(port);
+
+ pki_ih3->tagtype = ORDERED_TAG;
+ pki_ih3->qpg = oct->instr_queue[setup->s.iq_no]->txpciq.s.qpg;
+ pki_ih3->pm = 0x7; /*0x7 - meant for Parse nothing, uninterpreted*/
+ pki_ih3->sl = 8; /* sl will be sizeof(pki_ih3)*/
+
+ irh = (struct octeon_instr_irh *)&cmd->cmd3.irh;
+
+ irh->opcode = OPCODE_NIC;
+ irh->subcode = OPCODE_NIC_NW_DATA;
+
+ packet_params.u32 = 0;
+
packet_params.s.ip_csum = setup->s.ip_csum;
+ packet_params.s.transport_csum = setup->s.transport_csum;
packet_params.s.tnl_csum = setup->s.tnl_csum;
- packet_params.s.ifidx = setup->s.ifidx;
packet_params.s.tsflag = setup->s.timestamp;
irh->ossp = packet_params.u32;
}
+/** Utility function to prepare a 64B NIC instruction based on a setup command
+ * @param cmd - pointer to instruction to be filled in.
+ * @param setup - pointer to the setup structure
+ * @param q_no - which queue for back pressure
+ *
+ * Assumes the cmd instruction is pre-allocated, but no fields are filled in.
+ */
+static inline void
+octnet_prepare_pci_cmd(struct octeon_device *oct, union octeon_instr_64B *cmd,
+ union octnic_cmd_setup *setup, u32 tag)
+{
+ if (OCTEON_CN6XXX(oct))
+ octnet_prepare_pci_cmd_o2(oct, cmd, setup, tag);
+ else
+ octnet_prepare_pci_cmd_o3(oct, cmd, setup, tag);
+}
+
/** Allocate and a soft command with space for a response immediately following
* the commnad.
* @param oct - octeon device pointer
@@ -198,8 +267,8 @@ octnet_prepare_pci_cmd(struct octeon_instr_64B *cmd,
*/
void *
octeon_alloc_soft_command_resp(struct octeon_device *oct,
- struct octeon_instr_64B *cmd,
- size_t rdatasize);
+ union octeon_instr_64B *cmd,
+ u32 rdatasize);
/** Send a NIC data packet to the device
* @param oct - octeon device pointer
@@ -214,14 +283,11 @@ int octnet_send_nic_data_pkt(struct octeon_device *oct,
/** Send a NIC control packet to the device
* @param oct - octeon device pointer
* @param nctrl - control structure with command, timout, and callback info
- * @param nparams - response control structure
- *
* @returns IQ_FAILED if it failed to add to the input queue. IQ_STOP if it the
* queue should be stopped, and IQ_SEND_OK if it sent okay.
*/
int
octnet_send_nic_ctrl_pkt(struct octeon_device *oct,
- struct octnic_ctrl_pkt *nctrl,
- struct octnic_ctrl_params nparams);
+ struct octnic_ctrl_pkt *nctrl);
#endif