diff options
Diffstat (limited to 'drivers/staging/et131x/et1310_rx.c')
| -rw-r--r-- | drivers/staging/et131x/et1310_rx.c | 174 |
1 files changed, 87 insertions, 87 deletions
diff --git a/drivers/staging/et131x/et1310_rx.c b/drivers/staging/et131x/et1310_rx.c index 0924309..e6458db 100644 --- a/drivers/staging/et131x/et1310_rx.c +++ b/drivers/staging/et131x/et1310_rx.c @@ -605,19 +605,19 @@ int et131x_init_recv(struct et131x_adapter *adapter) /** * et131x_config_rx_dma_regs - Start of Rx_DMA init sequence - * @etdev: pointer to our adapter structure + * @adapter: pointer to our adapter structure */ -void et131x_config_rx_dma_regs(struct et131x_adapter *etdev) +void et131x_config_rx_dma_regs(struct et131x_adapter *adapter) { - struct rxdma_regs __iomem *rx_dma = &etdev->regs->rxdma; - struct rx_ring *rx_local = &etdev->rx_ring; + struct rxdma_regs __iomem *rx_dma = &adapter->regs->rxdma; + struct rx_ring *rx_local = &adapter->rx_ring; struct fbr_desc *fbr_entry; u32 entry; u32 psr_num_des; unsigned long flags; /* Halt RXDMA to perform the reconfigure. */ - et131x_rx_dma_disable(etdev); + et131x_rx_dma_disable(adapter); /* Load the completion writeback physical address * @@ -645,7 +645,7 @@ void et131x_config_rx_dma_regs(struct et131x_adapter *etdev) writel((psr_num_des * LO_MARK_PERCENT_FOR_PSR) / 100, &rx_dma->psr_min_des); - spin_lock_irqsave(&etdev->rcv_lock, flags); + spin_lock_irqsave(&adapter->rcv_lock, flags); /* These local variables track the PSR in the adapter structure */ rx_local->local_psr_full = 0; @@ -715,34 +715,34 @@ void et131x_config_rx_dma_regs(struct et131x_adapter *etdev) */ writel(PARM_RX_TIME_INT_DEF, &rx_dma->max_pkt_time); - spin_unlock_irqrestore(&etdev->rcv_lock, flags); + spin_unlock_irqrestore(&adapter->rcv_lock, flags); } /** * et131x_set_rx_dma_timer - Set the heartbeat timer according to line rate. - * @etdev: pointer to our adapter structure + * @adapter: pointer to our adapter structure */ -void et131x_set_rx_dma_timer(struct et131x_adapter *etdev) +void et131x_set_rx_dma_timer(struct et131x_adapter *adapter) { /* For version B silicon, we do not use the RxDMA timer for 10 and 100 * Mbits/s line rates. We do not enable and RxDMA interrupt coalescing. */ - if ((etdev->linkspeed == TRUEPHY_SPEED_100MBPS) || - (etdev->linkspeed == TRUEPHY_SPEED_10MBPS)) { - writel(0, &etdev->regs->rxdma.max_pkt_time); - writel(1, &etdev->regs->rxdma.num_pkt_done); + if ((adapter->linkspeed == TRUEPHY_SPEED_100MBPS) || + (adapter->linkspeed == TRUEPHY_SPEED_10MBPS)) { + writel(0, &adapter->regs->rxdma.max_pkt_time); + writel(1, &adapter->regs->rxdma.num_pkt_done); } } /** * NICReturnRFD - Recycle a RFD and put it back onto the receive list - * @etdev: pointer to our adapter + * @adapter: pointer to our adapter * @rfd: pointer to the RFD */ -static void nic_return_rfd(struct et131x_adapter *etdev, struct rfd *rfd) +static void nic_return_rfd(struct et131x_adapter *adapter, struct rfd *rfd) { - struct rx_ring *rx_local = &etdev->rx_ring; - struct rxdma_regs __iomem *rx_dma = &etdev->regs->rxdma; + struct rx_ring *rx_local = &adapter->rx_ring; + struct rxdma_regs __iomem *rx_dma = &adapter->regs->rxdma; u16 buff_index = rfd->bufferindex; u8 ring_index = rfd->ringindex; unsigned long flags; @@ -755,7 +755,7 @@ static void nic_return_rfd(struct et131x_adapter *etdev, struct rfd *rfd) (ring_index == 0 && buff_index < rx_local->fbr0_num_entries) || #endif (ring_index == 1 && buff_index < rx_local->fbr1_num_entries)) { - spin_lock_irqsave(&etdev->fbr_lock, flags); + spin_lock_irqsave(&adapter->fbr_lock, flags); if (ring_index == 1) { struct fbr_desc *next = @@ -793,38 +793,38 @@ static void nic_return_rfd(struct et131x_adapter *etdev, struct rfd *rfd) &rx_dma->fbr0_full_offset); } #endif - spin_unlock_irqrestore(&etdev->fbr_lock, flags); + spin_unlock_irqrestore(&adapter->fbr_lock, flags); } else { - dev_err(&etdev->pdev->dev, + dev_err(&adapter->pdev->dev, "%s illegal Buffer Index returned\n", __func__); } /* The processing on this RFD is done, so put it back on the tail of * our list */ - spin_lock_irqsave(&etdev->rcv_lock, flags); + spin_lock_irqsave(&adapter->rcv_lock, flags); list_add_tail(&rfd->list_node, &rx_local->recv_list); rx_local->num_ready_recv++; - spin_unlock_irqrestore(&etdev->rcv_lock, flags); + spin_unlock_irqrestore(&adapter->rcv_lock, flags); WARN_ON(rx_local->num_ready_recv > rx_local->num_rfd); } /** * et131x_rx_dma_disable - Stop of Rx_DMA on the ET1310 - * @etdev: pointer to our adapter structure + * @adapter: pointer to our adapter structure */ -void et131x_rx_dma_disable(struct et131x_adapter *etdev) +void et131x_rx_dma_disable(struct et131x_adapter *adapter) { u32 csr; /* Setup the receive dma configuration register */ - writel(0x00002001, &etdev->regs->rxdma.csr); - csr = readl(&etdev->regs->rxdma.csr); + writel(0x00002001, &adapter->regs->rxdma.csr); + csr = readl(&adapter->regs->rxdma.csr); if ((csr & 0x00020000) == 0) { /* Check halt status (bit 17) */ udelay(5); - csr = readl(&etdev->regs->rxdma.csr); + csr = readl(&adapter->regs->rxdma.csr); if ((csr & 0x00020000) == 0) - dev_err(&etdev->pdev->dev, + dev_err(&adapter->pdev->dev, "RX Dma failed to enter halt state. CSR 0x%08x\n", csr); } @@ -832,36 +832,36 @@ void et131x_rx_dma_disable(struct et131x_adapter *etdev) /** * et131x_rx_dma_enable - re-start of Rx_DMA on the ET1310. - * @etdev: pointer to our adapter structure + * @adapter: pointer to our adapter structure */ -void et131x_rx_dma_enable(struct et131x_adapter *etdev) +void et131x_rx_dma_enable(struct et131x_adapter *adapter) { /* Setup the receive dma configuration register for normal operation */ u32 csr = 0x2000; /* FBR1 enable */ - if (etdev->rx_ring.fbr1_buffsize == 4096) + if (adapter->rx_ring.fbr1_buffsize == 4096) csr |= 0x0800; - else if (etdev->rx_ring.fbr1_buffsize == 8192) + else if (adapter->rx_ring.fbr1_buffsize == 8192) csr |= 0x1000; - else if (etdev->rx_ring.fbr1_buffsize == 16384) + else if (adapter->rx_ring.fbr1_buffsize == 16384) csr |= 0x1800; #ifdef USE_FBR0 csr |= 0x0400; /* FBR0 enable */ - if (etdev->rx_ring.fbr0_buffsize == 256) + if (adapter->rx_ring.fbr0_buffsize == 256) csr |= 0x0100; - else if (etdev->rx_ring.fbr0_buffsize == 512) + else if (adapter->rx_ring.fbr0_buffsize == 512) csr |= 0x0200; - else if (etdev->rx_ring.fbr0_buffsize == 1024) + else if (adapter->rx_ring.fbr0_buffsize == 1024) csr |= 0x0300; #endif - writel(csr, &etdev->regs->rxdma.csr); + writel(csr, &adapter->regs->rxdma.csr); - csr = readl(&etdev->regs->rxdma.csr); + csr = readl(&adapter->regs->rxdma.csr); if ((csr & 0x00020000) != 0) { udelay(5); - csr = readl(&etdev->regs->rxdma.csr); + csr = readl(&adapter->regs->rxdma.csr); if ((csr & 0x00020000) != 0) { - dev_err(&etdev->pdev->dev, + dev_err(&adapter->pdev->dev, "RX Dma failed to exit halt state. CSR 0x%08x\n", csr); } @@ -870,7 +870,7 @@ void et131x_rx_dma_enable(struct et131x_adapter *etdev) /** * nic_rx_pkts - Checks the hardware for available packets - * @etdev: pointer to our adapter + * @adapter: pointer to our adapter * * Returns rfd, a pointer to our MPRFD. * @@ -879,9 +879,9 @@ void et131x_rx_dma_enable(struct et131x_adapter *etdev) * the packet to it, puts the RFD in the RecvPendList, and also returns * the pointer to the RFD. */ -static struct rfd *nic_rx_pkts(struct et131x_adapter *etdev) +static struct rfd *nic_rx_pkts(struct et131x_adapter *adapter) { - struct rx_ring *rx_local = &etdev->rx_ring; + struct rx_ring *rx_local = &adapter->rx_ring; struct rx_status_block *status; struct pkt_stat_desc *psr; struct rfd *rfd; @@ -931,7 +931,7 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *etdev) } writel(rx_local->local_psr_full, - &etdev->regs->rxdma.psr_full_offset); + &adapter->regs->rxdma.psr_full_offset); #ifndef USE_FBR0 if (ring_index != 1) @@ -949,7 +949,7 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *etdev) #endif { /* Illegal buffer or ring index cannot be used by S/W*/ - dev_err(&etdev->pdev->dev, + dev_err(&adapter->pdev->dev, "NICRxPkts PSR Entry %d indicates " "length of %d and/or bad bi(%d)\n", rx_local->local_psr_full & 0xFFF, @@ -958,21 +958,21 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *etdev) } /* Get and fill the RFD. */ - spin_lock_irqsave(&etdev->rcv_lock, flags); + spin_lock_irqsave(&adapter->rcv_lock, flags); rfd = NULL; element = rx_local->recv_list.next; rfd = (struct rfd *) list_entry(element, struct rfd, list_node); if (rfd == NULL) { - spin_unlock_irqrestore(&etdev->rcv_lock, flags); + spin_unlock_irqrestore(&adapter->rcv_lock, flags); return NULL; } list_del(&rfd->list_node); rx_local->num_ready_recv--; - spin_unlock_irqrestore(&etdev->rcv_lock, flags); + spin_unlock_irqrestore(&adapter->rcv_lock, flags); rfd->bufferindex = buff_index; rfd->ringindex = ring_index; @@ -983,18 +983,18 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *etdev) * also counted here. */ if (len < (NIC_MIN_PACKET_SIZE + 4)) { - etdev->stats.rx_other_errs++; + adapter->stats.rx_other_errs++; len = 0; } if (len) { - if (etdev->replica_phy_loopbk == 1) { + if (adapter->replica_phy_loopbk == 1) { buf = rx_local->fbr[ring_index]->virt[buff_index]; - if (memcmp(&buf[6], etdev->addr, ETH_ALEN) == 0) { + if (memcmp(&buf[6], adapter->addr, ETH_ALEN) == 0) { if (memcmp(&buf[42], "Replica packet", ETH_HLEN)) { - etdev->replica_phy_loopbk_passfail = 1; + adapter->replica_phy_loopbk_passfail = 1; } } } @@ -1009,11 +1009,11 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *etdev) * filters. Generally filter is 0x2b when in * promiscuous mode. */ - if ((etdev->packet_filter & + if ((adapter->packet_filter & ET131X_PACKET_TYPE_MULTICAST) - && !(etdev->packet_filter & + && !(adapter->packet_filter & ET131X_PACKET_TYPE_PROMISCUOUS) - && !(etdev->packet_filter & + && !(adapter->packet_filter & ET131X_PACKET_TYPE_ALL_MULTICAST)) { buf = rx_local->fbr[ring_index]-> virt[buff_index]; @@ -1022,20 +1022,20 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *etdev) * destination address of this packet * matches one in our list. */ - for (i = 0; i < etdev->multicast_addr_count; + for (i = 0; i < adapter->multicast_addr_count; i++) { if (buf[0] == - etdev->multicast_list[i][0] + adapter->multicast_list[i][0] && buf[1] == - etdev->multicast_list[i][1] + adapter->multicast_list[i][1] && buf[2] == - etdev->multicast_list[i][2] + adapter->multicast_list[i][2] && buf[3] == - etdev->multicast_list[i][3] + adapter->multicast_list[i][3] && buf[4] == - etdev->multicast_list[i][4] + adapter->multicast_list[i][4] && buf[5] == - etdev->multicast_list[i][5]) { + adapter->multicast_list[i][5]) { break; } } @@ -1048,21 +1048,21 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *etdev) * so we free our RFD when we return * from this function. */ - if (i == etdev->multicast_addr_count) + if (i == adapter->multicast_addr_count) len = 0; } if (len > 0) - etdev->stats.multicast_pkts_rcvd++; + adapter->stats.multicast_pkts_rcvd++; } else if (word0 & ALCATEL_BROADCAST_PKT) - etdev->stats.broadcast_pkts_rcvd++; + adapter->stats.broadcast_pkts_rcvd++; else /* Not sure what this counter measures in * promiscuous mode. Perhaps we should check * the MAC address to see if it is directed * to us in promiscuous mode. */ - etdev->stats.unicast_pkts_rcvd++; + adapter->stats.unicast_pkts_rcvd++; } if (len > 0) { @@ -1073,19 +1073,19 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *etdev) skb = dev_alloc_skb(rfd->len + 2); if (!skb) { - dev_err(&etdev->pdev->dev, + dev_err(&adapter->pdev->dev, "Couldn't alloc an SKB for Rx\n"); return NULL; } - etdev->net_stats.rx_bytes += rfd->len; + adapter->net_stats.rx_bytes += rfd->len; memcpy(skb_put(skb, rfd->len), rx_local->fbr[ring_index]->virt[buff_index], rfd->len); - skb->dev = etdev->netdev; - skb->protocol = eth_type_trans(skb, etdev->netdev); + skb->dev = adapter->netdev; + skb->protocol = eth_type_trans(skb, adapter->netdev); skb->ip_summed = CHECKSUM_NONE; netif_rx(skb); @@ -1093,28 +1093,28 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *etdev) rfd->len = 0; } - nic_return_rfd(etdev, rfd); + nic_return_rfd(adapter, rfd); return rfd; } /** * et131x_reset_recv - Reset the receive list - * @etdev: pointer to our adapter + * @adapter: pointer to our adapter * * Assumption, Rcv spinlock has been acquired. */ -void et131x_reset_recv(struct et131x_adapter *etdev) +void et131x_reset_recv(struct et131x_adapter *adapter) { - WARN_ON(list_empty(&etdev->rx_ring.recv_list)); + WARN_ON(list_empty(&adapter->rx_ring.recv_list)); } /** * et131x_handle_recv_interrupt - Interrupt handler for receive processing - * @etdev: pointer to our adapter + * @adapter: pointer to our adapter * * Assumption, Rcv spinlock has been acquired. */ -void et131x_handle_recv_interrupt(struct et131x_adapter *etdev) +void et131x_handle_recv_interrupt(struct et131x_adapter *adapter) { struct rfd *rfd = NULL; u32 count = 0; @@ -1122,13 +1122,13 @@ void et131x_handle_recv_interrupt(struct et131x_adapter *etdev) /* Process up to available RFD's */ while (count < NUM_PACKETS_HANDLED) { - if (list_empty(&etdev->rx_ring.recv_list)) { - WARN_ON(etdev->rx_ring.num_ready_recv != 0); + if (list_empty(&adapter->rx_ring.recv_list)) { + WARN_ON(adapter->rx_ring.num_ready_recv != 0); done = false; break; } - rfd = nic_rx_pkts(etdev); + rfd = nic_rx_pkts(adapter); if (rfd == NULL) break; @@ -1138,28 +1138,28 @@ void et131x_handle_recv_interrupt(struct et131x_adapter *etdev) * If length is zero, return the RFD in order to advance the * Free buffer ring. */ - if (!etdev->packet_filter || - !netif_carrier_ok(etdev->netdev) || + if (!adapter->packet_filter || + !netif_carrier_ok(adapter->netdev) || rfd->len == 0) continue; /* Increment the number of packets we received */ - etdev->net_stats.rx_packets++; + adapter->net_stats.rx_packets++; /* Set the status on the packet, either resources or success */ - if (etdev->rx_ring.num_ready_recv < RFD_LOW_WATER_MARK) { - dev_warn(&etdev->pdev->dev, + if (adapter->rx_ring.num_ready_recv < RFD_LOW_WATER_MARK) { + dev_warn(&adapter->pdev->dev, "RFD's are running out\n"); } count++; } if (count == NUM_PACKETS_HANDLED || !done) { - etdev->rx_ring.unfinished_receives = true; + adapter->rx_ring.unfinished_receives = true; writel(PARM_TX_TIME_INT_DEF * NANO_IN_A_MICRO, - &etdev->regs->global.watchdog_timer); + &adapter->regs->global.watchdog_timer); } else /* Watchdog timer will disable itself if appropriate. */ - etdev->rx_ring.unfinished_receives = false; + adapter->rx_ring.unfinished_receives = false; } |
