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authorDhananjay Phadke <dhananjay@netxen.com>2009-03-13 14:52:03 +0000
committerDavid S. Miller <davem@davemloft.net>2009-03-14 14:00:32 -0700
commit438627c77b877e445a4b918a50ff910a5ea2a12d (patch)
tree254abcb0c57f6c57947428f9c8ec38b6904801fc /drivers/net/netxen
parent0b72e659a10ec50acbef90756bf04177b66c8266 (diff)
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netxen: sanitize variable names
o remove max_ prefix from ring sizes, since they don't really represent max possible sizes. o cleanup naming of rx ring types (normal, jumbo, lro). o simplify logic to choose rx ring size, gig ports get half rx ring of 10 gig ports. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/netxen')
-rw-r--r--drivers/net/netxen/netxen_nic.h47
-rw-r--r--drivers/net/netxen/netxen_nic_ctx.c16
-rw-r--r--drivers/net/netxen/netxen_nic_ethtool.c6
-rw-r--r--drivers/net/netxen/netxen_nic_hw.c2
-rw-r--r--drivers/net/netxen/netxen_nic_init.c54
-rw-r--r--drivers/net/netxen/netxen_nic_main.c73
6 files changed, 62 insertions, 136 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 75cb30f27ae2..f00efe84744f 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -79,15 +79,15 @@
#define PHAN_VENDOR_ID 0x4040
#define RCV_DESC_RINGSIZE \
- (sizeof(struct rcv_desc) * adapter->max_rx_desc_count)
+ (sizeof(struct rcv_desc) * adapter->num_rxd)
#define STATUS_DESC_RINGSIZE \
- (sizeof(struct status_desc)* adapter->max_rx_desc_count)
+ (sizeof(struct status_desc) * adapter->num_rxd)
#define LRO_DESC_RINGSIZE \
- (sizeof(rcvDesc_t) * adapter->max_lro_rx_desc_count)
+ (sizeof(rcvDesc_t) * adapter->num_lro_rxd)
#define TX_RINGSIZE \
- (sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count)
+ (sizeof(struct netxen_cmd_buffer) * adapter->num_txd)
#define RCV_BUFFSIZE \
- (sizeof(struct netxen_rx_buffer) * rds_ring->max_rx_desc_count)
+ (sizeof(struct netxen_rx_buffer) * rds_ring->num_desc)
#define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a)))
#define NETXEN_RCV_PRODUCER_OFFSET 0
@@ -190,20 +190,9 @@
#define NUM_RCV_DESC_RINGS 3 /* No of Rcv Descriptor contexts */
-/* descriptor types */
-#define RCV_DESC_NORMAL 0x01
-#define RCV_DESC_JUMBO 0x02
-#define RCV_DESC_LRO 0x04
-#define RCV_DESC_NORMAL_CTXID 0
-#define RCV_DESC_JUMBO_CTXID 1
-#define RCV_DESC_LRO_CTXID 2
-
-#define RCV_DESC_TYPE(ID) \
- ((ID == RCV_DESC_JUMBO_CTXID) \
- ? RCV_DESC_JUMBO \
- : ((ID == RCV_DESC_LRO_CTXID) \
- ? RCV_DESC_LRO : \
- (RCV_DESC_NORMAL)))
+#define RCV_RING_NORMAL 0
+#define RCV_RING_JUMBO 1
+#define RCV_RING_LRO 2
#define MAX_CMD_DESCRIPTORS 4096
#define MAX_RCV_DESCRIPTORS 16384
@@ -815,8 +804,6 @@ struct netxen_hardware_context {
int pci_func;
};
-#define RCV_RING_LRO RCV_DESC_LRO
-
#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* With FCS */
#define ETHERNET_FCS_SIZE 4
@@ -842,16 +829,16 @@ struct netxen_adapter_stats {
* be one Rcv Descriptor for normal packets, one for jumbo and may be others.
*/
struct nx_host_rds_ring {
- u32 flags;
u32 producer;
- dma_addr_t phys_addr;
u32 crb_rcv_producer; /* reg offset */
struct rcv_desc *desc_head; /* address of rx ring in Phantom */
- u32 max_rx_desc_count;
- u32 dma_size;
- u32 skb_size;
struct netxen_rx_buffer *rx_buf_arr; /* rx buffers for receive */
struct list_head free_list;
+ u32 num_desc;
+ u32 dma_size;
+ u32 skb_size;
+ u32 flags;
+ dma_addr_t phys_addr;
};
/*
@@ -1244,10 +1231,10 @@ struct netxen_adapter {
u32 crb_addr_cmd_producer;
u32 crb_addr_cmd_consumer;
- u32 max_tx_desc_count;
- u32 max_rx_desc_count;
- u32 max_jumbo_rx_desc_count;
- u32 max_lro_rx_desc_count;
+ u32 num_txd;
+ u32 num_rxd;
+ u32 num_jumbo_rxd;
+ u32 num_lro_rxd;
int max_rds_rings;
diff --git a/drivers/net/netxen/netxen_nic_ctx.c b/drivers/net/netxen/netxen_nic_ctx.c
index d125dca0131a..2e66335bd000 100644
--- a/drivers/net/netxen/netxen_nic_ctx.c
+++ b/drivers/net/netxen/netxen_nic_ctx.c
@@ -231,7 +231,7 @@ nx_fw_cmd_create_rx_ctx(struct netxen_adapter *adapter)
rds_ring = &recv_ctx->rds_rings[i];
prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
- prq_rds[i].ring_size = cpu_to_le32(rds_ring->max_rx_desc_count);
+ prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
prq_rds[i].ring_kind = cpu_to_le32(i);
prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
}
@@ -241,7 +241,7 @@ nx_fw_cmd_create_rx_ctx(struct netxen_adapter *adapter)
prq_sds[0].host_phys_addr =
cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
- prq_sds[0].ring_size = cpu_to_le32(adapter->max_rx_desc_count);
+ prq_sds[0].ring_size = cpu_to_le32(adapter->num_rxd);
/* only one msix vector for now */
prq_sds[0].msi_index = cpu_to_le16(0);
@@ -362,7 +362,7 @@ nx_fw_cmd_create_tx_ctx(struct netxen_adapter *adapter)
prq_cds->host_phys_addr =
cpu_to_le64(adapter->ahw.cmd_desc_phys_addr);
- prq_cds->ring_size = cpu_to_le32(adapter->max_tx_desc_count);
+ prq_cds->ring_size = cpu_to_le32(adapter->num_txd);
phys_addr = rq_phys_addr;
err = netxen_issue_cmd(adapter,
@@ -494,7 +494,7 @@ netxen_init_old_ctx(struct netxen_adapter *adapter)
adapter->ctx_desc->cmd_ring_addr =
cpu_to_le64(adapter->ahw.cmd_desc_phys_addr);
adapter->ctx_desc->cmd_ring_size =
- cpu_to_le32(adapter->max_tx_desc_count);
+ cpu_to_le32(adapter->num_txd);
recv_ctx = &adapter->recv_ctx;
@@ -504,12 +504,12 @@ netxen_init_old_ctx(struct netxen_adapter *adapter)
adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr =
cpu_to_le64(rds_ring->phys_addr);
adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size =
- cpu_to_le32(rds_ring->max_rx_desc_count);
+ cpu_to_le32(rds_ring->num_desc);
}
adapter->ctx_desc->sts_ring_addr =
cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
adapter->ctx_desc->sts_ring_size =
- cpu_to_le32(adapter->max_rx_desc_count);
+ cpu_to_le32(adapter->num_rxd);
adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_LO(func_id),
lower32(adapter->ctx_desc_phys_addr));
@@ -562,7 +562,7 @@ int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
/* cmd desc ring */
addr = pci_alloc_consistent(adapter->pdev,
sizeof(struct cmd_desc_type0) *
- adapter->max_tx_desc_count,
+ adapter->num_txd,
&hw->cmd_desc_phys_addr);
if (addr == NULL) {
@@ -669,7 +669,7 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter)
if (adapter->ahw.cmd_desc_head != NULL) {
pci_free_consistent(adapter->pdev,
sizeof(struct cmd_desc_type0) *
- adapter->max_tx_desc_count,
+ adapter->num_txd,
adapter->ahw.cmd_desc_head,
adapter->ahw.cmd_desc_phys_addr);
adapter->ahw.cmd_desc_head = NULL;
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 8b4bdfd6a117..a677ff895184 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -477,10 +477,10 @@ netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
ring->rx_pending = 0;
ring->rx_jumbo_pending = 0;
ring->rx_pending += adapter->recv_ctx.
- rds_rings[RCV_DESC_NORMAL_CTXID].max_rx_desc_count;
+ rds_rings[RCV_RING_NORMAL].num_desc;
ring->rx_jumbo_pending += adapter->recv_ctx.
- rds_rings[RCV_DESC_JUMBO_CTXID].max_rx_desc_count;
- ring->tx_pending = adapter->max_tx_desc_count;
+ rds_rings[RCV_RING_JUMBO].num_desc;
+ ring->tx_pending = adapter->num_txd;
if (adapter->ahw.port_type == NETXEN_NIC_GBE)
ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G;
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index c8faa53d27af..cea7300426b4 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -515,7 +515,7 @@ netxen_send_cmd_descs(struct netxen_adapter *adapter,
&cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
producer = get_next_index(producer,
- adapter->max_tx_desc_count);
+ adapter->num_txd);
i++;
} while (i != nr_elements);
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 120b480c1e82..d722589b1ce9 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -153,7 +153,7 @@ void netxen_release_rx_buffers(struct netxen_adapter *adapter)
recv_ctx = &adapter->recv_ctx;
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
- for (i = 0; i < rds_ring->max_rx_desc_count; ++i) {
+ for (i = 0; i < rds_ring->num_desc; ++i) {
rx_buf = &(rds_ring->rx_buf_arr[i]);
if (rx_buf->state == NETXEN_BUFFER_FREE)
continue;
@@ -174,7 +174,7 @@ void netxen_release_tx_buffers(struct netxen_adapter *adapter)
int i, j;
cmd_buf = adapter->cmd_buf_arr;
- for (i = 0; i < adapter->max_tx_desc_count; i++) {
+ for (i = 0; i < adapter->num_txd; i++) {
buffrag = cmd_buf->frag_array;
if (buffrag->dma) {
pci_unmap_single(adapter->pdev, buffrag->dma,
@@ -190,7 +190,6 @@ void netxen_release_tx_buffers(struct netxen_adapter *adapter)
buffrag->dma = 0ULL;
}
}
- /* Free the skb we received in netxen_nic_xmit_frame */
if (cmd_buf->skb) {
dev_kfree_skb_any(cmd_buf->skb);
cmd_buf->skb = NULL;
@@ -241,11 +240,9 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
recv_ctx = &adapter->recv_ctx;
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
- switch (RCV_DESC_TYPE(ring)) {
- case RCV_DESC_NORMAL:
- rds_ring->max_rx_desc_count =
- adapter->max_rx_desc_count;
- rds_ring->flags = RCV_DESC_NORMAL;
+ switch (ring) {
+ case RCV_RING_NORMAL:
+ rds_ring->num_desc = adapter->num_rxd;
if (adapter->ahw.cut_through) {
rds_ring->dma_size =
NX_CT_DEFAULT_RX_BUF_LEN;
@@ -258,10 +255,8 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
}
break;
- case RCV_DESC_JUMBO:
- rds_ring->max_rx_desc_count =
- adapter->max_jumbo_rx_desc_count;
- rds_ring->flags = RCV_DESC_JUMBO;
+ case RCV_RING_JUMBO:
+ rds_ring->num_desc = adapter->num_jumbo_rxd;
if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
rds_ring->dma_size =
NX_P3_RX_JUMBO_BUF_MAX_LEN;
@@ -273,9 +268,7 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
break;
case RCV_RING_LRO:
- rds_ring->max_rx_desc_count =
- adapter->max_lro_rx_desc_count;
- rds_ring->flags = RCV_DESC_LRO;
+ rds_ring->num_desc = adapter->num_lro_rxd;
rds_ring->dma_size = RX_LRO_DMA_MAP_LEN;
rds_ring->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
break;
@@ -296,7 +289,7 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
* Now go through all of them, set reference handles
* and put them in the queues.
*/
- num_rx_bufs = rds_ring->max_rx_desc_count;
+ num_rx_bufs = rds_ring->num_desc;
rx_buf = rds_ring->rx_buf_arr;
for (i = 0; i < num_rx_bufs; i++) {
list_add_tail(&rx_buf->list,
@@ -848,16 +841,15 @@ static void netxen_process_rcv(struct netxen_adapter *adapter,
struct nx_host_rds_ring *rds_ring;
desc_ctx = netxen_get_sts_type(sts_data);
- if (unlikely(desc_ctx >= NUM_RCV_DESC_RINGS)) {
+ if (unlikely(desc_ctx >= adapter->max_rds_rings))
return;
- }
rds_ring = &recv_ctx->rds_rings[desc_ctx];
- if (unlikely(index > rds_ring->max_rx_desc_count)) {
+ if (unlikely(index > rds_ring->num_desc))
return;
- }
+
buffer = &rds_ring->rx_buf_arr[index];
- if (desc_ctx == RCV_DESC_LRO_CTXID) {
+ if (desc_ctx == RCV_RING_LRO) {
buffer->lro_current_frags++;
if (netxen_get_sts_desc_lro_last_frag(desc)) {
buffer->lro_expected_frags =
@@ -875,7 +867,7 @@ static void netxen_process_rcv(struct netxen_adapter *adapter,
if (!skb)
return;
- if (desc_ctx == RCV_DESC_LRO_CTXID) {
+ if (desc_ctx == RCV_RING_LRO) {
/* True length was only available on the last pkt */
skb_put(skb, buffer->lro_length);
} else {
@@ -921,8 +913,7 @@ netxen_process_rcv_ring(struct netxen_adapter *adapter, int max)
desc->status_desc_data = cpu_to_le64(STATUS_OWNER_PHANTOM);
- consumer = get_next_index(consumer,
- adapter->max_rx_desc_count);
+ consumer = get_next_index(consumer, adapter->num_rxd);
count++;
}
@@ -973,7 +964,7 @@ int netxen_process_cmd_ring(struct netxen_adapter *adapter)
}
last_consumer = get_next_index(last_consumer,
- adapter->max_tx_desc_count);
+ adapter->num_txd);
if (++count >= MAX_STATUS_HANDLE)
break;
}
@@ -1060,7 +1051,7 @@ netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid)
pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
- producer = get_next_index(producer, rds_ring->max_rx_desc_count);
+ producer = get_next_index(producer, rds_ring->num_desc);
}
/* if we did allocate buffers, then write the count to Phantom */
if (count) {
@@ -1068,7 +1059,7 @@ netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid)
/* Window = 1 */
adapter->pci_write_normalize(adapter,
rds_ring->crb_rcv_producer,
- (producer-1) & (rds_ring->max_rx_desc_count-1));
+ (producer-1) & (rds_ring->num_desc-1));
if (adapter->fw_major < 4) {
/*
@@ -1079,9 +1070,8 @@ netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid)
netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID);
netxen_set_msg_privid(msg);
netxen_set_msg_count(msg,
- ((producer -
- 1) & (rds_ring->
- max_rx_desc_count - 1)));
+ ((producer - 1) &
+ (rds_ring->num_desc - 1)));
netxen_set_msg_ctxid(msg, adapter->portnum);
netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
writel(msg,
@@ -1141,7 +1131,7 @@ netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ringid)
pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
pdesc->addr_buffer = cpu_to_le64(buffer->dma);
- producer = get_next_index(producer, rds_ring->max_rx_desc_count);
+ producer = get_next_index(producer, rds_ring->num_desc);
}
/* if we did allocate buffers, then write the count to Phantom */
@@ -1150,7 +1140,7 @@ netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ringid)
/* Window = 1 */
adapter->pci_write_normalize(adapter,
rds_ring->crb_rcv_producer,
- (producer-1) & (rds_ring->max_rx_desc_count-1));
+ (producer - 1) & (rds_ring->num_desc - 1));
wmb();
}
}
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 555b4596b0fe..00eaeee235ef 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -212,62 +212,19 @@ nx_update_dma_mask(struct netxen_adapter *adapter)
static void netxen_check_options(struct netxen_adapter *adapter)
{
- switch (adapter->ahw.board_type) {
- case NETXEN_BRDTYPE_P3_HMEZ:
- case NETXEN_BRDTYPE_P3_XG_LOM:
- case NETXEN_BRDTYPE_P3_10G_CX4:
- case NETXEN_BRDTYPE_P3_10G_CX4_LP:
- case NETXEN_BRDTYPE_P3_IMEZ:
- case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
- case NETXEN_BRDTYPE_P3_10G_SFP_QT:
- case NETXEN_BRDTYPE_P3_10G_SFP_CT:
- case NETXEN_BRDTYPE_P3_10G_XFP:
- case NETXEN_BRDTYPE_P3_10000_BASE_T:
- adapter->msix_supported = !!use_msi_x;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
- break;
-
- case NETXEN_BRDTYPE_P2_SB31_10G:
- case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
- case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
- case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
- adapter->msix_supported = 0;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
- break;
+ if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
+ adapter->num_rxd = MAX_RCV_DESCRIPTORS_10G;
+ else if (adapter->ahw.port_type == NETXEN_NIC_GBE)
+ adapter->num_rxd = MAX_RCV_DESCRIPTORS_1G;
- case NETXEN_BRDTYPE_P3_REF_QG:
- 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_1G;
- break;
-
- case NETXEN_BRDTYPE_P2_SB35_4G:
- case NETXEN_BRDTYPE_P2_SB31_2G:
- adapter->msix_supported = 0;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
- break;
-
- case NETXEN_BRDTYPE_P3_10G_TP:
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
adapter->msix_supported = !!use_msi_x;
- if (adapter->ahw.port_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:
+ else
adapter->msix_supported = 0;
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
-
- printk(KERN_WARNING "Unknown board type(0x%x)\n",
- adapter->ahw.board_type);
- break;
- }
- adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
- adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
- adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
+ adapter->num_txd = MAX_CMD_DESCRIPTORS_HOST;
+ adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS;
+ adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
adapter->max_possible_rss_rings = 1;
return;
@@ -983,12 +940,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
break;
}
- /*
- * This call will setup various max rx/tx counts.
- * It must be done before any buffer/ring allocations.
- */
- netxen_check_options(adapter);
-
err = netxen_start_firmware(adapter);
if (err)
goto err_out_iounmap;
@@ -1008,9 +959,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->physical_port = i;
}
- adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
-
- netxen_set_msix_bit(pdev, 0);
+ netxen_check_options(adapter);
netxen_setup_intr(adapter);
@@ -1307,7 +1256,7 @@ 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->max_tx_desc_count;
+ u32 num_txd = adapter->num_txd;
bool is_tso = false;
frag_count = skb_shinfo(skb)->nr_frags + 1;