diff options
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/octeon_droq.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_droq.c | 83 |
1 files changed, 29 insertions, 54 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c index 3461d65ff4eb..f044718cea52 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c @@ -788,7 +788,7 @@ octeon_droq_process_packets(struct octeon_device *oct, * called before calling this routine. */ -static int +int octeon_droq_process_poll_pkts(struct octeon_device *oct, struct octeon_droq *droq, u32 budget) { @@ -835,71 +835,46 @@ octeon_droq_process_poll_pkts(struct octeon_device *oct, return total_pkts_processed; } +/* Enable Pkt Interrupt */ int -octeon_process_droq_poll_cmd(struct octeon_device *oct, u32 q_no, int cmd, - u32 arg) +octeon_enable_irq(struct octeon_device *oct, u32 q_no) { - struct octeon_droq *droq; - - droq = oct->droq[q_no]; + switch (oct->chip_id) { + case OCTEON_CN66XX: + case OCTEON_CN68XX: { + struct octeon_cn6xxx *cn6xxx = + (struct octeon_cn6xxx *)oct->chip; + unsigned long flags; + u32 value; - if (cmd == POLL_EVENT_PROCESS_PKTS) - return octeon_droq_process_poll_pkts(oct, droq, arg); + spin_lock_irqsave + (&cn6xxx->lock_for_droq_int_enb_reg, flags); + value = octeon_read_csr(oct, CN6XXX_SLI_PKT_TIME_INT_ENB); + value |= (1 << q_no); + octeon_write_csr(oct, CN6XXX_SLI_PKT_TIME_INT_ENB, value); + value = octeon_read_csr(oct, CN6XXX_SLI_PKT_CNT_INT_ENB); + value |= (1 << q_no); + octeon_write_csr(oct, CN6XXX_SLI_PKT_CNT_INT_ENB, value); - if (cmd == POLL_EVENT_PENDING_PKTS) { - u32 pkt_cnt = atomic_read(&droq->pkts_pending); + /* don't bother flushing the enables */ - return octeon_droq_process_packets(oct, droq, pkt_cnt); + spin_unlock_irqrestore + (&cn6xxx->lock_for_droq_int_enb_reg, flags); } - - if (cmd == POLL_EVENT_ENABLE_INTR) { - u32 value; - unsigned long flags; - - /* Enable Pkt Interrupt */ - switch (oct->chip_id) { - case OCTEON_CN66XX: - case OCTEON_CN68XX: { - struct octeon_cn6xxx *cn6xxx = - (struct octeon_cn6xxx *)oct->chip; - spin_lock_irqsave - (&cn6xxx->lock_for_droq_int_enb_reg, flags); - value = - octeon_read_csr(oct, - CN6XXX_SLI_PKT_TIME_INT_ENB); - value |= (1 << q_no); - octeon_write_csr(oct, - CN6XXX_SLI_PKT_TIME_INT_ENB, - value); - value = - octeon_read_csr(oct, - CN6XXX_SLI_PKT_CNT_INT_ENB); - value |= (1 << q_no); - octeon_write_csr(oct, - CN6XXX_SLI_PKT_CNT_INT_ENB, - value); - - /* don't bother flushing the enables */ - - spin_unlock_irqrestore - (&cn6xxx->lock_for_droq_int_enb_reg, flags); - return 0; - } break; - case OCTEON_CN23XX_PF_VID: { - lio_enable_irq(oct->droq[q_no], oct->instr_queue[q_no]); - } + case OCTEON_CN23XX_PF_VID: + lio_enable_irq(oct->droq[q_no], oct->instr_queue[q_no]); break; - case OCTEON_CN23XX_VF_VID: - lio_enable_irq(oct->droq[q_no], oct->instr_queue[q_no]); + case OCTEON_CN23XX_VF_VID: + lio_enable_irq(oct->droq[q_no], oct->instr_queue[q_no]); break; - } - return 0; + default: + dev_err(&oct->pci_dev->dev, "%s Unknown Chip\n", __func__); + return 1; } - dev_err(&oct->pci_dev->dev, "%s Unknown command: %d\n", __func__, cmd); - return -EINVAL; + return 0; } int octeon_register_droq_ops(struct octeon_device *oct, u32 q_no, |