diff options
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/lio_core.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/lio_core.c | 109 |
1 files changed, 54 insertions, 55 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c index d7e805749a5b..882b2be06ea0 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_core.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c @@ -32,8 +32,8 @@ #define OCTNIC_MAX_SG MAX_SKB_FRAGS /** - * \brief Delete gather lists - * @param lio per-network private data + * lio_delete_glists - Delete gather lists + * @lio: per-network private data */ void lio_delete_glists(struct lio *lio) { @@ -73,8 +73,10 @@ void lio_delete_glists(struct lio *lio) } /** - * \brief Setup gather lists - * @param lio per-network private data + * lio_setup_glists - Setup gather lists + * @oct: octeon_device + * @lio: per-network private data + * @num_iqs: count of iqs to allocate */ int lio_setup_glists(struct octeon_device *oct, struct lio *lio, int num_iqs) { @@ -409,7 +411,7 @@ void octeon_pf_changed_vf_macaddr(struct octeon_device *oct, u8 *mac) if (!ether_addr_equal(netdev->dev_addr, mac)) { macaddr_changed = true; - ether_addr_copy(netdev->dev_addr, mac); + eth_hw_addr_set(netdev, mac); ether_addr_copy(((u8 *)&lio->linfo.hw_addr) + 2, mac); call_netdevice_notifiers(NETDEV_CHANGEADDR, netdev); } @@ -488,7 +490,6 @@ void cleanup_rx_oom_poll_fn(struct net_device *netdev) wq = &lio->rxq_status_wq[q_no]; if (wq->wq) { cancel_delayed_work_sync(&wq->wk.work); - flush_workqueue(wq->wq); destroy_workqueue(wq->wq); wq->wq = NULL; } @@ -521,12 +522,12 @@ static void lio_update_txq_status(struct octeon_device *oct, int iq_num) } /** - * \brief Setup output queue - * @param oct octeon device - * @param q_no which queue - * @param num_descs how many descriptors - * @param desc_size size of each descriptor - * @param app_ctx application context + * octeon_setup_droq - Setup output queue + * @oct: octeon device + * @q_no: which queue + * @num_descs: how many descriptors + * @desc_size: size of each descriptor + * @app_ctx: application context */ static int octeon_setup_droq(struct octeon_device *oct, int q_no, int num_descs, int desc_size, void *app_ctx) @@ -555,16 +556,17 @@ static int octeon_setup_droq(struct octeon_device *oct, int q_no, int num_descs, return ret_val; } -/** Routine to push packets arriving on Octeon interface upto network layer. - * @param oct_id - octeon device id. - * @param skbuff - skbuff struct to be passed to network layer. - * @param len - size of total data received. - * @param rh - Control header associated with the packet - * @param param - additional control data with the packet - * @param arg - farg registered in droq_ops +/** + * liquidio_push_packet - Routine to push packets arriving on Octeon interface upto network layer. + * @octeon_id:octeon device id. + * @skbuff: skbuff struct to be passed to network layer. + * @len: size of total data received. + * @rh: Control header associated with the packet + * @param: additional control data with the packet + * @arg: farg registered in droq_ops */ static void -liquidio_push_packet(u32 octeon_id __attribute__((unused)), +liquidio_push_packet(u32 __maybe_unused octeon_id, void *skbuff, u32 len, union octeon_rh *rh, @@ -698,8 +700,8 @@ liquidio_push_packet(u32 octeon_id __attribute__((unused)), } /** - * \brief wrapper for calling napi_schedule - * @param param parameters to pass to napi_schedule + * napi_schedule_wrapper - wrapper for calling napi_schedule + * @param: parameters to pass to napi_schedule * * Used when scheduling on different CPUs */ @@ -711,8 +713,8 @@ static void napi_schedule_wrapper(void *param) } /** - * \brief callback when receive interrupt occurs and we are in NAPI mode - * @param arg pointer to octeon output queue + * liquidio_napi_drv_callback - callback when receive interrupt occurs and we are in NAPI mode + * @arg: pointer to octeon output queue */ static void liquidio_napi_drv_callback(void *arg) { @@ -726,20 +728,15 @@ static void liquidio_napi_drv_callback(void *arg) droq->cpu_id == this_cpu) { napi_schedule_irqoff(&droq->napi); } else { - call_single_data_t *csd = &droq->csd; - - csd->func = napi_schedule_wrapper; - csd->info = &droq->napi; - csd->flags = 0; - - smp_call_function_single_async(droq->cpu_id, csd); + INIT_CSD(&droq->csd, napi_schedule_wrapper, &droq->napi); + smp_call_function_single_async(droq->cpu_id, &droq->csd); } } /** - * \brief Entry point for NAPI polling - * @param napi NAPI structure - * @param budget maximum number of items to process + * liquidio_napi_poll - Entry point for NAPI polling + * @napi: NAPI structure + * @budget: maximum number of items to process */ static int liquidio_napi_poll(struct napi_struct *napi, int budget) { @@ -782,7 +779,6 @@ static int liquidio_napi_poll(struct napi_struct *napi, int budget) if ((work_done < budget && tx_done) || (iq && iq->pkt_in_done >= MAX_REG_CNT) || (droq->pkt_count >= MAX_REG_CNT)) { - tx_done = 1; napi_complete_done(napi, work_done); octeon_enable_irq(droq->oct_dev, droq->q_no); @@ -793,9 +789,11 @@ static int liquidio_napi_poll(struct napi_struct *napi, int budget) } /** - * \brief Setup input and output queues - * @param octeon_dev octeon device - * @param ifidx Interface index + * liquidio_setup_io_queues - Setup input and output queues + * @octeon_dev: octeon device + * @ifidx: Interface index + * @num_iqs: input io queue count + * @num_oqs: output io queue count * * Note: Queues are with respect to the octeon device. Thus * an input queue is for egress packets, and output queues @@ -853,7 +851,7 @@ int liquidio_setup_io_queues(struct octeon_device *octeon_dev, int ifidx, napi = &droq->napi; dev_dbg(&octeon_dev->pci_dev->dev, "netif_napi_add netdev:%llx oct:%llx\n", (u64)netdev, (u64)octeon_dev); - netif_napi_add(netdev, napi, liquidio_napi_poll, 64); + netif_napi_add(netdev, napi, liquidio_napi_poll); /* designate a CPU for this droq */ droq->cpu_id = cpu_id; @@ -928,7 +926,7 @@ int liquidio_schedule_msix_droq_pkt_handler(struct octeon_droq *droq, u64 ret) } irqreturn_t -liquidio_msix_intr_handler(int irq __attribute__((unused)), void *dev) +liquidio_msix_intr_handler(int __maybe_unused irq, void *dev) { struct octeon_ioq_vector *ioq_vector = (struct octeon_ioq_vector *)dev; struct octeon_device *oct = ioq_vector->oct_dev; @@ -944,8 +942,8 @@ liquidio_msix_intr_handler(int irq __attribute__((unused)), void *dev) } /** - * \brief Droq packet processor sceduler - * @param oct octeon device + * liquidio_schedule_droq_pkt_handlers - Droq packet processor sceduler + * @oct: octeon device */ static void liquidio_schedule_droq_pkt_handlers(struct octeon_device *oct) { @@ -973,13 +971,12 @@ static void liquidio_schedule_droq_pkt_handlers(struct octeon_device *oct) } /** - * \brief Interrupt handler for octeon - * @param irq unused - * @param dev octeon device + * liquidio_legacy_intr_handler - Interrupt handler for octeon + * @irq: unused + * @dev: octeon device */ static -irqreturn_t liquidio_legacy_intr_handler(int irq __attribute__((unused)), - void *dev) +irqreturn_t liquidio_legacy_intr_handler(int __maybe_unused irq, void *dev) { struct octeon_device *oct = (struct octeon_device *)dev; irqreturn_t ret; @@ -1000,8 +997,9 @@ irqreturn_t liquidio_legacy_intr_handler(int irq __attribute__((unused)), } /** - * \brief Setup interrupt for octeon device - * @param oct octeon device + * octeon_setup_interrupt - Setup interrupt for octeon device + * @oct: octeon device + * @num_ioqs: number of queues * * Enable interrupt in Octeon device as given in the PCI interrupt mask. */ @@ -1084,7 +1082,7 @@ int octeon_setup_interrupt(struct octeon_device *oct, u32 num_ioqs) dev_dbg(&oct->pci_dev->dev, "OCTEON: Enough MSI-X interrupts are allocated...\n"); num_ioq_vectors = oct->num_msix_irqs; - /** For PF, there is one non-ioq interrupt handler */ + /* For PF, there is one non-ioq interrupt handler */ if (OCTEON_CN23XX_PF(oct)) { num_ioq_vectors -= 1; @@ -1127,13 +1125,13 @@ int octeon_setup_interrupt(struct octeon_device *oct, u32 num_ioqs) dev_err(&oct->pci_dev->dev, "Request_irq failed for MSIX interrupt Error: %d\n", irqret); - /** Freeing the non-ioq irq vector here . */ + /* Freeing the non-ioq irq vector here . */ free_irq(msix_entries[num_ioq_vectors].vector, oct); while (i) { i--; - /** clearing affinity mask. */ + /* clearing affinity mask. */ irq_set_affinity_hint( msix_entries[i].vector, NULL); @@ -1164,7 +1162,7 @@ int octeon_setup_interrupt(struct octeon_device *oct, u32 num_ioqs) oct->flags |= LIO_FLAG_MSI_ENABLED; /* allocate storage for the names assigned to the irq */ - oct->irq_name_storage = kcalloc(1, INTRNAMSIZ, GFP_KERNEL); + oct->irq_name_storage = kzalloc(INTRNAMSIZ, GFP_KERNEL); if (!oct->irq_name_storage) return -ENOMEM; @@ -1198,8 +1196,9 @@ int octeon_setup_interrupt(struct octeon_device *oct, u32 num_ioqs) } /** - * \brief Net device change_mtu - * @param netdev network device + * liquidio_change_mtu - Net device change_mtu + * @netdev: network device + * @new_mtu: the new max transmit unit size */ int liquidio_change_mtu(struct net_device *netdev, int new_mtu) { |