diff options
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/octeon_nic.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_nic.c | 67 |
1 files changed, 36 insertions, 31 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_nic.c b/drivers/net/ethernet/cavium/liquidio/octeon_nic.c index 1a0191549cb3..166727be928f 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_nic.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_nic.c @@ -19,14 +19,9 @@ * This file may also be available under a different license from Cavium. * Contact Cavium, Inc. for more information **********************************************************************/ -#include <linux/version.h> -#include <linux/types.h> -#include <linux/list.h> #include <linux/interrupt.h> #include <linux/pci.h> -#include <linux/kthread.h> #include <linux/netdevice.h> -#include "octeon_config.h" #include "liquidio_common.h" #include "octeon_droq.h" #include "octeon_iq.h" @@ -34,21 +29,14 @@ #include "octeon_device.h" #include "octeon_nic.h" #include "octeon_main.h" -#include "octeon_network.h" -#include "cn66xx_regs.h" -#include "cn66xx_device.h" -#include "cn68xx_regs.h" -#include "cn68xx_device.h" -#include "liquidio_image.h" -#include "octeon_mem_ops.h" 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) { struct octeon_soft_command *sc; - struct octeon_instr_ih *ih; + struct octeon_instr_ih2 *ih2; struct octeon_instr_irh *irh; struct octeon_instr_rdp *rdp; @@ -59,24 +47,25 @@ octeon_alloc_soft_command_resp(struct octeon_device *oct, return NULL; /* Copy existing command structure into the soft command */ - memcpy(&sc->cmd, cmd, sizeof(struct octeon_instr_64B)); + memcpy(&sc->cmd, cmd, sizeof(union octeon_instr_64B)); /* Add in the response related fields. Opcode and Param are already * there. */ - ih = (struct octeon_instr_ih *)&sc->cmd.ih; - ih->fsz = 40; /* irh + ossp[0] + ossp[1] + rdp + rptr = 40 bytes */ + ih2 = (struct octeon_instr_ih2 *)&sc->cmd.cmd2.ih2; + rdp = (struct octeon_instr_rdp *)&sc->cmd.cmd2.rdp; + irh = (struct octeon_instr_irh *)&sc->cmd.cmd2.irh; + ih2->fsz = 40; /* irh + ossp[0] + ossp[1] + rdp + rptr = 40 bytes */ - irh = (struct octeon_instr_irh *)&sc->cmd.irh; irh->rflag = 1; /* a response is required */ - irh->len = 4; /* means four 64-bit words immediately follow irh */ - rdp = (struct octeon_instr_rdp *)&sc->cmd.rdp; rdp->pcie_port = oct->pcie_port; rdp->rlen = rdatasize; *sc->status_word = COMPLETION_WORD_INIT; + sc->cmd.cmd2.rptr = sc->dmarptr; + sc->wait_time = 1000; sc->timeout = jiffies + sc->wait_time; @@ -119,12 +108,11 @@ static void octnet_link_ctrl_callback(struct octeon_device *oct, static inline struct octeon_soft_command *octnic_alloc_ctrl_pkt_sc(struct octeon_device *oct, - struct octnic_ctrl_pkt *nctrl, - struct octnic_ctrl_params nparams) + struct octnic_ctrl_pkt *nctrl) { struct octeon_soft_command *sc = NULL; u8 *data; - size_t rdatasize; + u32 rdatasize; u32 uddsize = 0, datasize = 0; uddsize = (u32)(nctrl->ncmd.s.more * 8); @@ -143,7 +131,7 @@ static inline struct octeon_soft_command data = (u8 *)sc->virtdptr; - memcpy(data, &nctrl->ncmd, OCTNET_CMD_SIZE); + memcpy(data, &nctrl->ncmd, OCTNET_CMD_SIZE); octeon_swap_8B_data((u64 *)data, (OCTNET_CMD_SIZE >> 3)); @@ -152,6 +140,8 @@ static inline struct octeon_soft_command memcpy(data + OCTNET_CMD_SIZE, nctrl->udd, uddsize); } + sc->iq_no = (u32)nctrl->iq_no; + octeon_prepare_soft_command(oct, sc, OPCODE_NIC, OPCODE_NIC_CMD, 0, 0, 0); @@ -164,26 +154,41 @@ static inline struct octeon_soft_command 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) { int retval; struct octeon_soft_command *sc = NULL; - sc = octnic_alloc_ctrl_pkt_sc(oct, nctrl, nparams); + spin_lock_bh(&oct->cmd_resp_wqlock); + /* Allow only rx ctrl command to stop traffic on the chip + * during offline operations + */ + if ((oct->cmd_resp_state == OCT_DRV_OFFLINE) && + (nctrl->ncmd.s.cmd != OCTNET_CMD_RX_CTL)) { + spin_unlock_bh(&oct->cmd_resp_wqlock); + dev_err(&oct->pci_dev->dev, + "%s cmd:%d not processed since driver offline\n", + __func__, nctrl->ncmd.s.cmd); + return -1; + } + + sc = octnic_alloc_ctrl_pkt_sc(oct, nctrl); if (!sc) { dev_err(&oct->pci_dev->dev, "%s soft command alloc failed\n", __func__); + spin_unlock_bh(&oct->cmd_resp_wqlock); return -1; } retval = octeon_send_soft_command(oct, sc); - if (retval) { + if (retval == IQ_SEND_FAILED) { octeon_free_soft_command(oct, sc); - dev_err(&oct->pci_dev->dev, "%s soft command send failed status: %x\n", - __func__, retval); + dev_err(&oct->pci_dev->dev, "%s soft command:%d send failed status: %x\n", + __func__, nctrl->ncmd.s.cmd, retval); + spin_unlock_bh(&oct->cmd_resp_wqlock); return -1; } + spin_unlock_bh(&oct->cmd_resp_wqlock); return retval; } |