diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic_main.c')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 52 |
1 files changed, 25 insertions, 27 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 853dee8057d9..22b2d491c782 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -107,10 +107,10 @@ static uint32_t crb_cmd_producer[4] = { void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter, - uint32_t crb_producer) + struct nx_host_tx_ring *tx_ring, u32 producer) { adapter->pci_write_normalize(adapter, - adapter->crb_addr_cmd_producer, crb_producer); + tx_ring->crb_cmd_producer, producer); } static uint32_t crb_cmd_consumer[4] = { @@ -120,10 +120,10 @@ static uint32_t crb_cmd_consumer[4] = { static inline void netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter, - u32 crb_consumer) + struct nx_host_tx_ring *tx_ring, u32 consumer) { adapter->pci_write_normalize(adapter, - adapter->crb_addr_cmd_consumer, crb_consumer); + tx_ring->crb_cmd_consumer, consumer); } static uint32_t msi_tgt_status[8] = { @@ -814,6 +814,7 @@ netxen_nic_attach(struct netxen_adapter *adapter) struct pci_dev *pdev = adapter->pdev; int err, ring; struct nx_host_rds_ring *rds_ring; + struct nx_host_tx_ring *tx_ring; err = netxen_init_firmware(adapter); if (err != 0) { @@ -843,13 +844,12 @@ netxen_nic_attach(struct netxen_adapter *adapter) } if (adapter->fw_major < 4) { - adapter->crb_addr_cmd_producer = - crb_cmd_producer[adapter->portnum]; - adapter->crb_addr_cmd_consumer = - crb_cmd_consumer[adapter->portnum]; + tx_ring = &adapter->tx_ring; + tx_ring->crb_cmd_producer = crb_cmd_producer[adapter->portnum]; + tx_ring->crb_cmd_consumer = crb_cmd_consumer[adapter->portnum]; - netxen_nic_update_cmd_producer(adapter, 0); - netxen_nic_update_cmd_consumer(adapter, 0); + netxen_nic_update_cmd_producer(adapter, tx_ring, 0); + netxen_nic_update_cmd_consumer(adapter, tx_ring, 0); } for (ring = 0; ring < adapter->max_rds_rings; ring++) { @@ -1304,7 +1304,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) { struct netxen_adapter *adapter = netdev_priv(netdev); - struct netxen_hardware_context *hw = &adapter->ahw; + struct nx_host_tx_ring *tx_ring = &adapter->tx_ring; unsigned int first_seg_len = skb->len - skb->data_len; struct netxen_cmd_buffer *pbuf; struct netxen_skb_frag *buffrag; @@ -1315,28 +1315,26 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) u32 producer, consumer; int frag_count, no_of_desc; - u32 num_txd = adapter->num_txd; + u32 num_txd = tx_ring->num_desc; bool is_tso = false; frag_count = skb_shinfo(skb)->nr_frags + 1; - /* There 4 fragments per descriptor */ + /* 4 fragments per cmd des */ no_of_desc = (frag_count + 3) >> 2; - producer = adapter->cmd_producer; + producer = tx_ring->producer; smp_mb(); - consumer = adapter->last_cmd_consumer; + consumer = tx_ring->sw_consumer; if ((no_of_desc+2) > find_diff_among(producer, consumer, num_txd)) { netif_stop_queue(netdev); smp_mb(); return NETDEV_TX_BUSY; } - /* Copy the descriptors into the hardware */ - hwdesc = &hw->cmd_desc_head[producer]; + hwdesc = &tx_ring->desc_head[producer]; netxen_clear_cmddesc((u64 *)hwdesc); - /* Take skb->data itself */ - pbuf = &adapter->cmd_buf_arr[producer]; + pbuf = &tx_ring->cmd_buf_arr[producer]; is_tso = netxen_tso_check(netdev, hwdesc, skb); @@ -1365,9 +1363,9 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) if ((i & 0x3) == 0) { k = 0; producer = get_next_index(producer, num_txd); - hwdesc = &hw->cmd_desc_head[producer]; + hwdesc = &tx_ring->desc_head[producer]; netxen_clear_cmddesc((u64 *)hwdesc); - pbuf = &adapter->cmd_buf_arr[producer]; + pbuf = &tx_ring->cmd_buf_arr[producer]; pbuf->skb = NULL; } frag = &skb_shinfo(skb)->frags[i - 1]; @@ -1419,8 +1417,8 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) more_hdr = 0; } /* copy the MAC/IP/TCP headers to the cmd descriptor list */ - hwdesc = &hw->cmd_desc_head[producer]; - pbuf = &adapter->cmd_buf_arr[producer]; + hwdesc = &tx_ring->desc_head[producer]; + pbuf = &tx_ring->cmd_buf_arr[producer]; pbuf->skb = NULL; /* copy the first 64 bytes */ @@ -1429,8 +1427,8 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) producer = get_next_index(producer, num_txd); if (more_hdr) { - hwdesc = &hw->cmd_desc_head[producer]; - pbuf = &adapter->cmd_buf_arr[producer]; + hwdesc = &tx_ring->desc_head[producer]; + pbuf = &tx_ring->cmd_buf_arr[producer]; pbuf->skb = NULL; /* copy the next 64 bytes - should be enough except * for pathological case @@ -1443,10 +1441,10 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) } } - adapter->cmd_producer = producer; + tx_ring->producer = producer; adapter->stats.txbytes += skb->len; - netxen_nic_update_cmd_producer(adapter, adapter->cmd_producer); + netxen_nic_update_cmd_producer(adapter, tx_ring, producer); adapter->stats.xmitcalled++; netdev->trans_start = jiffies; |