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path: root/drivers/net/netxen/netxen_nic_main.c
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Diffstat (limited to 'drivers/net/netxen/netxen_nic_main.c')
-rw-r--r--drivers/net/netxen/netxen_nic_main.c210
1 files changed, 129 insertions, 81 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index ba01524b5531..d854f07ef4d3 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -39,7 +39,9 @@
#include "netxen_nic_phan_reg.h"
#include <linux/dma-mapping.h>
+#include <linux/if_vlan.h>
#include <net/ip.h>
+#include <linux/ipv6.h>
MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
MODULE_LICENSE("GPL");
@@ -242,7 +244,7 @@ static void netxen_check_options(struct netxen_adapter *adapter)
case NETXEN_BRDTYPE_P3_4_GB:
case NETXEN_BRDTYPE_P3_4_GB_MM:
adapter->msix_supported = !!use_msi_x;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
break;
case NETXEN_BRDTYPE_P2_SB35_4G:
@@ -251,6 +253,14 @@ static void netxen_check_options(struct netxen_adapter *adapter)
adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
break;
+ case NETXEN_BRDTYPE_P3_10G_TP:
+ adapter->msix_supported = !!use_msi_x;
+ if (adapter->ahw.board_type == NETXEN_NIC_XGBE)
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+ else
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
+ break;
+
default:
adapter->msix_supported = 0;
adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
@@ -271,10 +281,15 @@ static void netxen_check_options(struct netxen_adapter *adapter)
static int
netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
{
- int ret = 0;
+ u32 val, timeout;
if (first_boot == 0x55555555) {
/* This is the first boot after power up */
+ adapter->pci_write_normalize(adapter,
+ NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
+
+ if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
+ return 0;
/* PCI bus master workaround */
adapter->hw_read_wx(adapter,
@@ -294,18 +309,26 @@ netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
/* clear the register for future unloads/loads */
adapter->pci_write_normalize(adapter,
NETXEN_CAM_RAM(0x1fc), 0);
- ret = -1;
+ return -EIO;
}
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
- /* Start P2 boot loader */
- adapter->pci_write_normalize(adapter,
- NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
- adapter->pci_write_normalize(adapter,
- NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
- }
+ /* Start P2 boot loader */
+ val = adapter->pci_read_normalize(adapter,
+ NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
+ adapter->pci_write_normalize(adapter,
+ NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
+ timeout = 0;
+ do {
+ msleep(1);
+ val = adapter->pci_read_normalize(adapter,
+ NETXEN_CAM_RAM(0x1fc));
+
+ if (++timeout > 5000)
+ return -EIO;
+
+ } while (val == NETXEN_BDINFO_MAGIC);
}
- return ret;
+ return 0;
}
static void netxen_set_port_mode(struct netxen_adapter *adapter)
@@ -784,8 +807,8 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
CRB_CMDPEG_STATE, 0);
netxen_pinit_from_rom(adapter, 0);
msleep(1);
- netxen_load_firmware(adapter);
}
+ netxen_load_firmware(adapter);
if (NX_IS_REVISION_P3(revision_id))
netxen_pcie_strap_init(adapter);
@@ -801,13 +824,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
- if ((first_boot == 0x55555555) &&
- (NX_IS_REVISION_P2(revision_id))) {
- /* Unlock the HW, prompting the boot sequence */
- adapter->pci_write_normalize(adapter,
- NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
- }
-
err = netxen_initialize_adapter_offload(adapter);
if (err)
goto err_out_iounmap;
@@ -821,7 +837,9 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i);
/* Handshake with the card before we register the devices. */
- netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+ err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+ if (err)
+ goto err_out_free_offload;
} /* first_driver */
@@ -925,6 +943,7 @@ err_out_disable_msi:
if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
pci_disable_msi(pdev);
+err_out_free_offload:
if (first_driver)
netxen_free_adapter_offload(adapter);
@@ -968,6 +987,9 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
netxen_free_hw_resources(adapter);
netxen_release_rx_buffers(adapter);
netxen_free_sw_resources(adapter);
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+ netxen_p3_free_mac_list(adapter);
}
if (adapter->portnum == 0)
@@ -983,8 +1005,10 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
iounmap(adapter->ahw.db_base);
iounmap(adapter->ahw.pci_base0);
- iounmap(adapter->ahw.pci_base1);
- iounmap(adapter->ahw.pci_base2);
+ if (adapter->ahw.pci_base1 != NULL)
+ iounmap(adapter->ahw.pci_base1);
+ if (adapter->ahw.pci_base2 != NULL)
+ iounmap(adapter->ahw.pci_base2);
pci_release_regions(pdev);
pci_disable_device(pdev);
@@ -1137,29 +1161,64 @@ static int netxen_nic_close(struct net_device *netdev)
return 0;
}
-void netxen_tso_check(struct netxen_adapter *adapter,
+static bool netxen_tso_check(struct net_device *netdev,
struct cmd_desc_type0 *desc, struct sk_buff *skb)
{
- if (desc->mss) {
- desc->total_hdr_length = (sizeof(struct ethhdr) +
- ip_hdrlen(skb) + tcp_hdrlen(skb));
+ bool tso = false;
+ u8 opcode = TX_ETHER_PKT;
- if ((NX_IS_REVISION_P3(adapter->ahw.revision_id)) &&
- (skb->protocol == htons(ETH_P_IPV6)))
- netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO6);
- else
- netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO);
+ if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
+ skb_shinfo(skb)->gso_size > 0) {
+
+ desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
+ desc->total_hdr_length =
+ skb_transport_offset(skb) + tcp_hdrlen(skb);
+
+ opcode = (skb->protocol == htons(ETH_P_IPV6)) ?
+ TX_TCP_LSO6 : TX_TCP_LSO;
+ tso = true;
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
- if (ip_hdr(skb)->protocol == IPPROTO_TCP)
- netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT);
- else if (ip_hdr(skb)->protocol == IPPROTO_UDP)
- netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT);
- else
- return;
+ u8 l4proto;
+
+ if (skb->protocol == htons(ETH_P_IP)) {
+ l4proto = ip_hdr(skb)->protocol;
+
+ if (l4proto == IPPROTO_TCP)
+ opcode = TX_TCP_PKT;
+ else if(l4proto == IPPROTO_UDP)
+ opcode = TX_UDP_PKT;
+ } else if (skb->protocol == htons(ETH_P_IPV6)) {
+ l4proto = ipv6_hdr(skb)->nexthdr;
+
+ if (l4proto == IPPROTO_TCP)
+ opcode = TX_TCPV6_PKT;
+ else if(l4proto == IPPROTO_UDP)
+ opcode = TX_UDPV6_PKT;
+ }
}
desc->tcp_hdr_offset = skb_transport_offset(skb);
desc->ip_hdr_offset = skb_network_offset(skb);
+ netxen_set_tx_flags_opcode(desc, 0, opcode);
+ return tso;
+}
+
+static void
+netxen_clean_tx_dma_mapping(struct pci_dev *pdev,
+ struct netxen_cmd_buffer *pbuf, int last)
+{
+ int k;
+ struct netxen_skb_frag *buffrag;
+
+ buffrag = &pbuf->frag_array[0];
+ pci_unmap_single(pdev, buffrag->dma,
+ buffrag->length, PCI_DMA_TODEVICE);
+
+ for (k = 1; k < last; k++) {
+ buffrag = &pbuf->frag_array[k];
+ pci_unmap_page(pdev, buffrag->dma,
+ buffrag->length, PCI_DMA_TODEVICE);
+ }
}
static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
@@ -1167,33 +1226,22 @@ 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;
unsigned int first_seg_len = skb->len - skb->data_len;
+ struct netxen_cmd_buffer *pbuf;
struct netxen_skb_frag *buffrag;
- unsigned int i;
+ struct cmd_desc_type0 *hwdesc;
+ struct pci_dev *pdev = adapter->pdev;
+ dma_addr_t temp_dma;
+ int i, k;
u32 producer, consumer;
- u32 saved_producer = 0;
- struct cmd_desc_type0 *hwdesc;
- int k;
- struct netxen_cmd_buffer *pbuf = NULL;
- int frag_count;
- int no_of_desc;
+ int frag_count, no_of_desc;
u32 num_txd = adapter->max_tx_desc_count;
+ bool is_tso = false;
frag_count = skb_shinfo(skb)->nr_frags + 1;
/* There 4 fragments per descriptor */
no_of_desc = (frag_count + 3) >> 2;
- if (netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) {
- if (skb_shinfo(skb)->gso_size > 0) {
-
- no_of_desc++;
- if ((ip_hdrlen(skb) + tcp_hdrlen(skb) +
- sizeof(struct ethhdr)) >
- (sizeof(struct cmd_desc_type0) - 2)) {
- no_of_desc++;
- }
- }
- }
producer = adapter->cmd_producer;
smp_mb();
@@ -1205,34 +1253,26 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
}
/* Copy the descriptors into the hardware */
- saved_producer = producer;
hwdesc = &hw->cmd_desc_head[producer];
memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
/* Take skb->data itself */
pbuf = &adapter->cmd_buf_arr[producer];
- if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
- skb_shinfo(skb)->gso_size > 0) {
- pbuf->mss = skb_shinfo(skb)->gso_size;
- hwdesc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
- } else {
- pbuf->mss = 0;
- hwdesc->mss = 0;
- }
- pbuf->total_length = skb->len;
+
+ is_tso = netxen_tso_check(netdev, hwdesc, skb);
+
pbuf->skb = skb;
- pbuf->cmd = TX_ETHER_PKT;
pbuf->frag_count = frag_count;
- pbuf->port = adapter->portnum;
buffrag = &pbuf->frag_array[0];
- buffrag->dma = pci_map_single(adapter->pdev, skb->data, first_seg_len,
+ temp_dma = pci_map_single(pdev, skb->data, first_seg_len,
PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(pdev, temp_dma))
+ goto drop_packet;
+
+ buffrag->dma = temp_dma;
buffrag->length = first_seg_len;
- netxen_set_cmd_desc_totallength(hwdesc, skb->len);
- netxen_set_cmd_desc_num_of_buff(hwdesc, frag_count);
- netxen_set_cmd_desc_opcode(hwdesc, TX_ETHER_PKT);
+ netxen_set_tx_frags_len(hwdesc, frag_count, skb->len);
+ netxen_set_tx_port(hwdesc, adapter->portnum);
- netxen_set_cmd_desc_port(hwdesc, adapter->portnum);
- netxen_set_cmd_desc_ctxid(hwdesc, adapter->portnum);
hwdesc->buffer1_length = cpu_to_le16(first_seg_len);
hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
@@ -1240,7 +1280,6 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
struct skb_frag_struct *frag;
int len, temp_len;
unsigned long offset;
- dma_addr_t temp_dma;
/* move to next desc. if there is a need */
if ((i & 0x3) == 0) {
@@ -1256,8 +1295,12 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
offset = frag->page_offset;
temp_len = len;
- temp_dma = pci_map_page(adapter->pdev, frag->page, offset,
+ temp_dma = pci_map_page(pdev, frag->page, offset,
len, PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(pdev, temp_dma)) {
+ netxen_clean_tx_dma_mapping(pdev, pbuf, i);
+ goto drop_packet;
+ }
buffrag++;
buffrag->dma = temp_dma;
@@ -1285,16 +1328,12 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
}
producer = get_next_index(producer, num_txd);
- /* might change opcode to TX_TCP_LSO */
- netxen_tso_check(adapter, &hw->cmd_desc_head[saved_producer], skb);
-
/* For LSO, we need to copy the MAC/IP/TCP headers into
* the descriptor ring
*/
- if (netxen_get_cmd_desc_opcode(&hw->cmd_desc_head[saved_producer])
- == TX_TCP_LSO) {
+ if (is_tso) {
int hdr_len, first_hdr_len, more_hdr;
- hdr_len = hw->cmd_desc_head[saved_producer].total_hdr_length;
+ hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
if (hdr_len > (sizeof(struct cmd_desc_type0) - 2)) {
first_hdr_len = sizeof(struct cmd_desc_type0) - 2;
more_hdr = 1;
@@ -1336,6 +1375,11 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
netdev->trans_start = jiffies;
return NETDEV_TX_OK;
+
+drop_packet:
+ adapter->stats.txdropped++;
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
}
static int netxen_nic_check_temp(struct netxen_adapter *adapter)
@@ -1407,6 +1451,8 @@ static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
netif_carrier_off(netdev);
netif_stop_queue(netdev);
}
+
+ netxen_nic_set_link_parameters(adapter);
} else if (!adapter->ahw.linkup && linkup) {
printk(KERN_INFO "%s: %s NIC Link is up\n",
netxen_nic_driver_name, netdev->name);
@@ -1415,6 +1461,8 @@ static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
netif_carrier_on(netdev);
netif_wake_queue(netdev);
}
+
+ netxen_nic_set_link_parameters(adapter);
}
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-27 11:22:58 +0300