From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 20 Oct 2016 00:10:27 -0300 Subject: Linux-libre 4.8.2-gnu --- drivers/net/ethernet/cavium/liquidio/octeon_nic.h | 154 +++++++++++++++------- 1 file changed, 110 insertions(+), 44 deletions(-) (limited to 'drivers/net/ethernet/cavium/liquidio/octeon_nic.h') diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_nic.h b/drivers/net/ethernet/cavium/liquidio/octeon_nic.h index 0238857c8..b71a2bbe4 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 -- cgit v1.2.3-54-g00ecf