Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-10-31 01:01:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

S2io: Removed unused feature - bimodal interrupts

Browse Source 
Removed bimodal interrupt support - unused feature

Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

[also, trim trailing whitespace]
This commit is contained in:
Sivakumar Subramani 2007-09-18 18:14:20 -04:00 committed by David S. Miller
parent bd684e43d6
commit 8a4bdbaa93
2 changed files with 90 additions and 147 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

236
drivers/net/s2io.c
View File

@ -84,7 +84,7 @@
#include "s2io.h"
#include "s2io-regs.h"
#define DRV_VERSION "2.0.26.2"
#define DRV_VERSION "2.0.26.4"
/* S2io Driver name & version. */
static char s2io_driver_name[] = "Neterion";
@ -452,7 +452,6 @@ S2IO_PARM_INT(mc_pause_threshold_q4q7, 187);
S2IO_PARM_INT(shared_splits, 0);
S2IO_PARM_INT(tmac_util_period, 5);
S2IO_PARM_INT(rmac_util_period, 5);
S2IO_PARM_INT(bimodal, 0);
S2IO_PARM_INT(l3l4hdr_size, 128);
/* Frequency of Rx desc syncs expressed as power of 2 */
S2IO_PARM_INT(rxsync_frequency, 3);
@ -699,7 +698,7 @@ static int init_shared_mem(struct s2io_nic *nic)
GFP_KERNEL);
if (!rx_blocks->rxds)
return -ENOMEM;
mem_allocated +=
mem_allocated +=
(sizeof(struct rxd_info)* rxd_count[nic->rxd_mode]);
for (l=0; l<rxd_count[nic->rxd_mode];l++) {
rx_blocks->rxds[l].virt_addr =
@ -761,7 +760,7 @@ static int init_shared_mem(struct s2io_nic *nic)
(BUF0_LEN + ALIGN_SIZE, GFP_KERNEL);
if (!ba->ba_0_org)
return -ENOMEM;
mem_allocated +=
mem_allocated +=
(BUF0_LEN + ALIGN_SIZE);
tmp = (unsigned long)ba->ba_0_org;
tmp += ALIGN_SIZE;
@ -772,7 +771,7 @@ static int init_shared_mem(struct s2io_nic *nic)
(BUF1_LEN + ALIGN_SIZE, GFP_KERNEL);
if (!ba->ba_1_org)
return -ENOMEM;
mem_allocated
mem_allocated
+= (BUF1_LEN + ALIGN_SIZE);
tmp = (unsigned long) ba->ba_1_org;
tmp += ALIGN_SIZE;
@ -857,7 +856,7 @@ static void free_shared_mem(struct s2io_nic *nic)
mac_control->fifos[i].
list_info[mem_blks].
list_phy_addr);
nic->mac_control.stats_info->sw_stat.mem_freed
nic->mac_control.stats_info->sw_stat.mem_freed
+= PAGE_SIZE;
}
/* If we got a zero DMA address during allocation,
@ -872,11 +871,11 @@ static void free_shared_mem(struct s2io_nic *nic)
dev->name);
DBG_PRINT(INIT_DBG, "Virtual address %p\n",
mac_control->zerodma_virt_addr);
nic->mac_control.stats_info->sw_stat.mem_freed
nic->mac_control.stats_info->sw_stat.mem_freed
+= PAGE_SIZE;
}
kfree(mac_control->fifos[i].list_info);
nic->mac_control.stats_info->sw_stat.mem_freed +=
nic->mac_control.stats_info->sw_stat.mem_freed +=
(nic->config.tx_cfg[i].fifo_len *sizeof(struct list_info_hold));
}
@ -894,7 +893,7 @@ static void free_shared_mem(struct s2io_nic *nic)
tmp_v_addr, tmp_p_addr);
nic->mac_control.stats_info->sw_stat.mem_freed += size;
kfree(mac_control->rings[i].rx_blocks[j].rxds);
nic->mac_control.stats_info->sw_stat.mem_freed +=
nic->mac_control.stats_info->sw_stat.mem_freed +=
( sizeof(struct rxd_info)* rxd_count[nic->rxd_mode]);
}
}
@ -925,7 +924,7 @@ static void free_shared_mem(struct s2io_nic *nic)
(rxd_count[nic->rxd_mode] + 1));
}
kfree(mac_control->rings[i].ba);
nic->mac_control.stats_info->sw_stat.mem_freed +=
nic->mac_control.stats_info->sw_stat.mem_freed +=
(sizeof(struct buffAdd *) * blk_cnt);
}
}
@ -935,12 +934,12 @@ static void free_shared_mem(struct s2io_nic *nic)
mac_control->stats_mem_sz,
mac_control->stats_mem,
mac_control->stats_mem_phy);
nic->mac_control.stats_info->sw_stat.mem_freed +=
nic->mac_control.stats_info->sw_stat.mem_freed +=
mac_control->stats_mem_sz;
}
if (nic->ufo_in_band_v) {
kfree(nic->ufo_in_band_v);
nic->mac_control.stats_info->sw_stat.mem_freed
nic->mac_control.stats_info->sw_stat.mem_freed
+= (ufo_size * sizeof(u64));
}
}
@ -1485,7 +1484,7 @@ static int init_nic(struct s2io_nic *nic)
&bar0->rts_frm_len_n[i]);
}
}
/* Disable differentiated services steering logic */
for (i = 0; i < 64; i++) {
if (rts_ds_steer(nic, i, 0) == FAILURE) {
@ -1565,90 +1564,57 @@ static int init_nic(struct s2io_nic *nic)
time++;
}
if (nic->config.bimodal) {
int k = 0;
for (k = 0; k < config->rx_ring_num; k++) {
val64 = TTI_CMD_MEM_WE | TTI_CMD_MEM_STROBE_NEW_CMD;
val64 |= TTI_CMD_MEM_OFFSET(0x38+k);
writeq(val64, &bar0->tti_command_mem);
/* RTI Initialization */
if (nic->device_type == XFRAME_II_DEVICE) {
/*
* Programmed to generate Apprx 500 Intrs per
* second
*/
int count = (nic->config.bus_speed * 125)/4;
val64 = RTI_DATA1_MEM_RX_TIMER_VAL(count);
} else
val64 = RTI_DATA1_MEM_RX_TIMER_VAL(0xFFF);
val64 |= RTI_DATA1_MEM_RX_URNG_A(0xA) |
RTI_DATA1_MEM_RX_URNG_B(0x10) |
RTI_DATA1_MEM_RX_URNG_C(0x30) | RTI_DATA1_MEM_RX_TIMER_AC_EN;
writeq(val64, &bar0->rti_data1_mem);
val64 = RTI_DATA2_MEM_RX_UFC_A(0x1) |
RTI_DATA2_MEM_RX_UFC_B(0x2) ;
if (nic->config.intr_type == MSI_X)
val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x20) | \
RTI_DATA2_MEM_RX_UFC_D(0x40));
else
val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x40) | \
RTI_DATA2_MEM_RX_UFC_D(0x80));
writeq(val64, &bar0->rti_data2_mem);
for (i = 0; i < config->rx_ring_num; i++) {
val64 = RTI_CMD_MEM_WE | RTI_CMD_MEM_STROBE_NEW_CMD
| RTI_CMD_MEM_OFFSET(i);
writeq(val64, &bar0->rti_command_mem);
/*
* Once the operation completes, the Strobe bit of the command
* register will be reset. We poll for this particular condition
* We wait for a maximum of 500ms for the operation to complete,
* if it's not complete by then we return error.
*/
time = 0;
while (TRUE) {
val64 = readq(&bar0->tti_command_mem);
if (!(val64 & TTI_CMD_MEM_STROBE_NEW_CMD)) {
break;
}
if (time > 10) {
DBG_PRINT(ERR_DBG,
"%s: TTI init Failed\n",
dev->name);
return -1;
}
time++;
msleep(50);
}
}
} else {
/* RTI Initialization */
if (nic->device_type == XFRAME_II_DEVICE) {
/*
* Programmed to generate Apprx 500 Intrs per
* second
*/
int count = (nic->config.bus_speed * 125)/4;
val64 = RTI_DATA1_MEM_RX_TIMER_VAL(count);
} else {
val64 = RTI_DATA1_MEM_RX_TIMER_VAL(0xFFF);
}
val64 |= RTI_DATA1_MEM_RX_URNG_A(0xA) |
RTI_DATA1_MEM_RX_URNG_B(0x10) |
RTI_DATA1_MEM_RX_URNG_C(0x30) | RTI_DATA1_MEM_RX_TIMER_AC_EN;
writeq(val64, &bar0->rti_data1_mem);
val64 = RTI_DATA2_MEM_RX_UFC_A(0x1) |
RTI_DATA2_MEM_RX_UFC_B(0x2) ;
if (nic->config.intr_type == MSI_X)
val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x20) | \
RTI_DATA2_MEM_RX_UFC_D(0x40));
else
val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x40) | \
RTI_DATA2_MEM_RX_UFC_D(0x80));
writeq(val64, &bar0->rti_data2_mem);
for (i = 0; i < config->rx_ring_num; i++) {
val64 = RTI_CMD_MEM_WE | RTI_CMD_MEM_STROBE_NEW_CMD
| RTI_CMD_MEM_OFFSET(i);
writeq(val64, &bar0->rti_command_mem);
/*
* Once the operation completes, the Strobe bit of the
* command register will be reset. We poll for this
* particular condition. We wait for a maximum of 500ms
* for the operation to complete, if it's not complete
* by then we return error.
*/
time = 0;
while (TRUE) {
val64 = readq(&bar0->rti_command_mem);
if (!(val64 & RTI_CMD_MEM_STROBE_NEW_CMD)) {
break;
}
if (time > 10) {
DBG_PRINT(ERR_DBG, "%s: RTI init Failed\n",
dev->name);
return -1;
}
time++;
msleep(50);
* Once the operation completes, the Strobe bit of the
* command register will be reset. We poll for this
* particular condition. We wait for a maximum of 500ms
* for the operation to complete, if it's not complete
* by then we return error.
*/
time = 0;
while (TRUE) {
val64 = readq(&bar0->rti_command_mem);
if (!(val64 & RTI_CMD_MEM_STROBE_NEW_CMD))
break;
if (time > 10) {
DBG_PRINT(ERR_DBG, "%s: RTI init Failed\n",
dev->name);
return -1;
}
time++;
msleep(50);
}
}
@ -2005,7 +1971,7 @@ static int verify_pcc_quiescent(struct s2io_nic *sp, int flag)
int ret = 0, herc;
struct XENA_dev_config __iomem *bar0 = sp->bar0;
u64 val64 = readq(&bar0->adapter_status);
herc = (sp->device_type == XFRAME_II_DEVICE);
if (flag == FALSE) {
@ -2151,8 +2117,6 @@ static int start_nic(struct s2io_nic *nic)
&bar0->prc_rxd0_n[i]);
val64 = readq(&bar0->prc_ctrl_n[i]);
if (nic->config.bimodal)
val64 |= PRC_CTRL_BIMODAL_INTERRUPT;
if (nic->rxd_mode == RXD_MODE_1)
val64 |= PRC_CTRL_RC_ENABLED;
else
@ -2312,7 +2276,7 @@ static void free_tx_buffers(struct s2io_nic *nic)
mac_control->fifos[i].list_info[j].list_virt_addr;
skb = s2io_txdl_getskb(&mac_control->fifos[i], txdp, j);
if (skb) {
nic->mac_control.stats_info->sw_stat.mem_freed
nic->mac_control.stats_info->sw_stat.mem_freed
+= skb->truesize;
dev_kfree_skb(skb);
cnt++;
@ -2477,7 +2441,7 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no)
mem_alloc_fail_cnt++;
return -ENOMEM ;
}
nic->mac_control.stats_info->sw_stat.mem_allocated
nic->mac_control.stats_info->sw_stat.mem_allocated
+= skb->truesize;
if (nic->rxd_mode == RXD_MODE_1) {
/* 1 buffer mode - normal operation mode */
@ -2492,7 +2456,7 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no)
DMA_ERROR_CODE))
goto pci_map_failed;
rxdp->Control_2 =
rxdp->Control_2 =
SET_BUFFER0_SIZE_1(size - NET_IP_ALIGN);
} else if (nic->rxd_mode == RXD_MODE_3B) {
@ -3406,7 +3370,7 @@ static void s2io_reset(struct s2io_nic * sp)
/* Reset device statistics maintained by OS */
memset(&sp->stats, 0, sizeof (struct net_device_stats));
up_cnt = sp->mac_control.stats_info->sw_stat.link_up_cnt;
down_cnt = sp->mac_control.stats_info->sw_stat.link_down_cnt;
up_time = sp->mac_control.stats_info->sw_stat.link_up_time;
@ -3668,22 +3632,22 @@ static int s2io_enable_msi_x(struct s2io_nic *nic)
nic->mac_control.stats_info->sw_stat.mem_alloc_fail_cnt++;
return -ENOMEM;
}
nic->mac_control.stats_info->sw_stat.mem_allocated
nic->mac_control.stats_info->sw_stat.mem_allocated
+= (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry));
nic->s2io_entries =
kcalloc(MAX_REQUESTED_MSI_X, sizeof(struct s2io_msix_entry),
GFP_KERNEL);
if (!nic->s2io_entries) {
DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n",
DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n",
__FUNCTION__);
nic->mac_control.stats_info->sw_stat.mem_alloc_fail_cnt++;
kfree(nic->entries);
nic->mac_control.stats_info->sw_stat.mem_freed
nic->mac_control.stats_info->sw_stat.mem_freed
+= (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry));
return -ENOMEM;
}
nic->mac_control.stats_info->sw_stat.mem_allocated
nic->mac_control.stats_info->sw_stat.mem_allocated
+= (MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry));
for (i=0; i< MAX_REQUESTED_MSI_X; i++) {
@ -3702,27 +3666,15 @@ static int s2io_enable_msi_x(struct s2io_nic *nic)
}
writeq(tx_mat, &bar0->tx_mat0_n[0]);
if (!nic->config.bimodal) {
rx_mat = readq(&bar0->rx_mat);
for (j=0; j<nic->config.rx_ring_num; j++, msix_indx++) {
rx_mat |= RX_MAT_SET(j, msix_indx);
nic->s2io_entries[msix_indx].arg
= &nic->mac_control.rings[j];
nic->s2io_entries[msix_indx].type = MSIX_RING_TYPE;
nic->s2io_entries[msix_indx].in_use = MSIX_FLG;
}
writeq(rx_mat, &bar0->rx_mat);
} else {
tx_mat = readq(&bar0->tx_mat0_n[7]);
for (j=0; j<nic->config.rx_ring_num; j++, msix_indx++) {
tx_mat |= TX_MAT_SET(i, msix_indx);
nic->s2io_entries[msix_indx].arg
= &nic->mac_control.rings[j];
nic->s2io_entries[msix_indx].type = MSIX_RING_TYPE;
nic->s2io_entries[msix_indx].in_use = MSIX_FLG;
}
writeq(tx_mat, &bar0->tx_mat0_n[7]);
rx_mat = readq(&bar0->rx_mat);
for (j = 0; j < nic->config.rx_ring_num; j++, msix_indx++) {
rx_mat |= RX_MAT_SET(j, msix_indx);
nic->s2io_entries[msix_indx].arg
= &nic->mac_control.rings[j];
nic->s2io_entries[msix_indx].type = MSIX_RING_TYPE;
nic->s2io_entries[msix_indx].in_use = MSIX_FLG;
}
writeq(rx_mat, &bar0->rx_mat);
nic->avail_msix_vectors = 0;
ret = pci_enable_msix(nic->pdev, nic->entries, MAX_REQUESTED_MSI_X);
@ -3734,10 +3686,10 @@ static int s2io_enable_msi_x(struct s2io_nic *nic)
if (ret) {
DBG_PRINT(ERR_DBG, "%s: Enabling MSIX failed\n", nic->dev->name);
kfree(nic->entries);
nic->mac_control.stats_info->sw_stat.mem_freed
nic->mac_control.stats_info->sw_stat.mem_freed
+= (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry));
kfree(nic->s2io_entries);
nic->mac_control.stats_info->sw_stat.mem_freed
nic->mac_control.stats_info->sw_stat.mem_freed
+= (MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry));
nic->entries = NULL;
nic->s2io_entries = NULL;
@ -3906,12 +3858,12 @@ hw_init_failed:
if (sp->config.intr_type == MSI_X) {
if (sp->entries) {
kfree(sp->entries);
sp->mac_control.stats_info->sw_stat.mem_freed
sp->mac_control.stats_info->sw_stat.mem_freed
+= (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry));
}
if (sp->s2io_entries) {
kfree(sp->s2io_entries);
sp->mac_control.stats_info->sw_stat.mem_freed
sp->mac_control.stats_info->sw_stat.mem_freed
+= (MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry));
}
}
@ -4676,7 +4628,7 @@ static void s2io_updt_stats(struct s2io_nic *sp)
if (cnt == 5)
break; /* Updt failed */
} while(1);
}
}
}
/**
@ -5165,13 +5117,13 @@ static void s2io_ethtool_gringparam(struct net_device *dev,
ering->rx_max_pending = MAX_RX_DESC_2;
ering->tx_max_pending = MAX_TX_DESC;
for (i = 0 ; i < sp->config.tx_fifo_num ; i++)
for (i = 0 ; i < sp->config.tx_fifo_num ; i++)
tx_desc_count += sp->config.tx_cfg[i].fifo_len;
DBG_PRINT(INFO_DBG,"\nmax txds : %d\n",sp->config.max_txds);
ering->tx_pending = tx_desc_count;
rx_desc_count = 0;
for (i = 0 ; i < sp->config.rx_ring_num ; i++)
for (i = 0 ; i < sp->config.rx_ring_num ; i++)
rx_desc_count += sp->config.rx_cfg[i].num_rxd;
ering->rx_pending = rx_desc_count;
@ -6539,7 +6491,7 @@ static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp,
mem_alloc_fail_cnt++;
return -ENOMEM ;
}
sp->mac_control.stats_info->sw_stat.mem_allocated
sp->mac_control.stats_info->sw_stat.mem_allocated
+= (*skb)->truesize;
/* storing the mapped addr in a temp variable
* such it will be used for next rxd whose
@ -6572,7 +6524,7 @@ static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp,
mem_alloc_fail_cnt++;
return -ENOMEM;
}
sp->mac_control.stats_info->sw_stat.mem_allocated
sp->mac_control.stats_info->sw_stat.mem_allocated
+= (*skb)->truesize;
rxdp3->Buffer2_ptr = *temp2 =
pci_map_single(sp->pdev, (*skb)->data,
@ -7107,7 +7059,7 @@ static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp)
DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%x\n",
dev->name, err_mask);
sp->stats.rx_crc_errors++;
sp->mac_control.stats_info->sw_stat.mem_freed
sp->mac_control.stats_info->sw_stat.mem_freed
+= skb->truesize;
dev_kfree_skb(skb);
atomic_dec(&sp->rx_bufs_left[ring_no]);
@ -7261,13 +7213,13 @@ static void s2io_link(struct s2io_nic * sp, int link)
DBG_PRINT(ERR_DBG, "%s: Link down\n", dev->name);
netif_carrier_off(dev);
if(sp->mac_control.stats_info->sw_stat.link_up_cnt)
sp->mac_control.stats_info->sw_stat.link_up_time =
sp->mac_control.stats_info->sw_stat.link_up_time =
jiffies - sp->start_time;
sp->mac_control.stats_info->sw_stat.link_down_cnt++;
} else {
DBG_PRINT(ERR_DBG, "%s: Link Up\n", dev->name);
if (sp->mac_control.stats_info->sw_stat.link_down_cnt)
sp->mac_control.stats_info->sw_stat.link_down_time =
sp->mac_control.stats_info->sw_stat.link_down_time =
jiffies - sp->start_time;
sp->mac_control.stats_info->sw_stat.link_up_cnt++;
netif_carrier_on(dev);
@ -7752,14 +7704,6 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
/* Initialize device name */
sprintf(sp->name, "%s Neterion %s", dev->name, sp->product_name);
/* Initialize bimodal Interrupts */
sp->config.bimodal = bimodal;
if (!(sp->device_type & XFRAME_II_DEVICE) && bimodal) {
sp->config.bimodal = 0;
DBG_PRINT(ERR_DBG,"%s:Bimodal intr not supported by Xframe I\n",
dev->name);
}
/*
* Make Link state as off at this point, when the Link change
* interrupt comes the state will be automatically changed to

1
drivers/net/s2io.h
View File

@ -444,7 +444,6 @@ struct config_param {
#define MAX_RX_BLOCKS_PER_RING 150
struct rx_ring_config rx_cfg[MAX_RX_RINGS]; /*Per-Rx Ring config */
u8 bimodal; /*Flag for setting bimodal interrupts*/
#define HEADER_ETHERNET_II_802_3_SIZE 14
#define HEADER_802_2_SIZE 3