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path: root/drivers/net/s2io.c
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Diffstat (limited to 'drivers/net/s2io.c')
-rw-r--r--drivers/net/s2io.c536
1 files changed, 376 insertions, 160 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index f2ba944e035e..5fab7d7b5d74 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -84,7 +84,7 @@
#include "s2io.h"
#include "s2io-regs.h"
-#define DRV_VERSION "2.0.26.17"
+#define DRV_VERSION "2.0.26.15-2"
/* S2io Driver name & version. */
static char s2io_driver_name[] = "Neterion";
@@ -335,10 +335,9 @@ static char ethtool_driver_stats_keys[][ETH_GSTRING_LEN] = {
{"mc_err_cnt"}
};
-#define S2IO_XENA_STAT_LEN sizeof(ethtool_xena_stats_keys)/ ETH_GSTRING_LEN
-#define S2IO_ENHANCED_STAT_LEN sizeof(ethtool_enhanced_stats_keys)/ \
- ETH_GSTRING_LEN
-#define S2IO_DRIVER_STAT_LEN sizeof(ethtool_driver_stats_keys)/ ETH_GSTRING_LEN
+#define S2IO_XENA_STAT_LEN ARRAY_SIZE(ethtool_xena_stats_keys)
+#define S2IO_ENHANCED_STAT_LEN ARRAY_SIZE(ethtool_enhanced_stats_keys)
+#define S2IO_DRIVER_STAT_LEN ARRAY_SIZE(ethtool_driver_stats_keys)
#define XFRAME_I_STAT_LEN (S2IO_XENA_STAT_LEN + S2IO_DRIVER_STAT_LEN )
#define XFRAME_II_STAT_LEN (XFRAME_I_STAT_LEN + S2IO_ENHANCED_STAT_LEN )
@@ -346,7 +345,7 @@ static char ethtool_driver_stats_keys[][ETH_GSTRING_LEN] = {
#define XFRAME_I_STAT_STRINGS_LEN ( XFRAME_I_STAT_LEN * ETH_GSTRING_LEN )
#define XFRAME_II_STAT_STRINGS_LEN ( XFRAME_II_STAT_LEN * ETH_GSTRING_LEN )
-#define S2IO_TEST_LEN sizeof(s2io_gstrings) / ETH_GSTRING_LEN
+#define S2IO_TEST_LEN ARRAY_SIZE(s2io_gstrings)
#define S2IO_STRINGS_LEN S2IO_TEST_LEN * ETH_GSTRING_LEN
#define S2IO_TIMER_CONF(timer, handle, arg, exp) \
@@ -369,12 +368,19 @@ static void do_s2io_copy_mac_addr(struct s2io_nic *sp, int offset, u64 mac_addr)
static void s2io_vlan_rx_register(struct net_device *dev,
struct vlan_group *grp)
{
+ int i;
struct s2io_nic *nic = dev->priv;
- unsigned long flags;
+ unsigned long flags[MAX_TX_FIFOS];
+ struct mac_info *mac_control = &nic->mac_control;
+ struct config_param *config = &nic->config;
+
+ for (i = 0; i < config->tx_fifo_num; i++)
+ spin_lock_irqsave(&mac_control->fifos[i].tx_lock, flags[i]);
- spin_lock_irqsave(&nic->tx_lock, flags);
nic->vlgrp = grp;
- spin_unlock_irqrestore(&nic->tx_lock, flags);
+ for (i = config->tx_fifo_num - 1; i >= 0; i--)
+ spin_unlock_irqrestore(&mac_control->fifos[i].tx_lock,
+ flags[i]);
}
/* A flag indicating whether 'RX_PA_CFG_STRIP_VLAN_TAG' bit is set or not */
@@ -566,6 +572,21 @@ static int init_shared_mem(struct s2io_nic *nic)
return -EINVAL;
}
+ size = 0;
+ for (i = 0; i < config->tx_fifo_num; i++) {
+ size = config->tx_cfg[i].fifo_len;
+ /*
+ * Legal values are from 2 to 8192
+ */
+ if (size < 2) {
+ DBG_PRINT(ERR_DBG, "s2io: Invalid fifo len (%d)", size);
+ DBG_PRINT(ERR_DBG, "for fifo %d\n", i);
+ DBG_PRINT(ERR_DBG, "s2io: Legal values for fifo len"
+ "are 2 to 8192\n");
+ return -EINVAL;
+ }
+ }
+
lst_size = (sizeof(struct TxD) * config->max_txds);
lst_per_page = PAGE_SIZE / lst_size;
@@ -640,10 +661,14 @@ static int init_shared_mem(struct s2io_nic *nic)
}
}
- nic->ufo_in_band_v = kcalloc(size, sizeof(u64), GFP_KERNEL);
- if (!nic->ufo_in_band_v)
- return -ENOMEM;
- mem_allocated += (size * sizeof(u64));
+ for (i = 0; i < config->tx_fifo_num; i++) {
+ size = config->tx_cfg[i].fifo_len;
+ mac_control->fifos[i].ufo_in_band_v
+ = kcalloc(size, sizeof(u64), GFP_KERNEL);
+ if (!mac_control->fifos[i].ufo_in_band_v)
+ return -ENOMEM;
+ mem_allocated += (size * sizeof(u64));
+ }
/* Allocation and initialization of RXDs in Rings */
size = 0;
@@ -830,7 +855,6 @@ static int init_shared_mem(struct s2io_nic *nic)
static void free_shared_mem(struct s2io_nic *nic)
{
int i, j, blk_cnt, size;
- u32 ufo_size = 0;
void *tmp_v_addr;
dma_addr_t tmp_p_addr;
struct mac_info *mac_control;
@@ -851,7 +875,6 @@ static void free_shared_mem(struct s2io_nic *nic)
lst_per_page = PAGE_SIZE / lst_size;
for (i = 0; i < config->tx_fifo_num; i++) {
- ufo_size += config->tx_cfg[i].fifo_len;
page_num = TXD_MEM_PAGE_CNT(config->tx_cfg[i].fifo_len,
lst_per_page);
for (j = 0; j < page_num; j++) {
@@ -941,18 +964,21 @@ static void free_shared_mem(struct s2io_nic *nic)
}
}
+ for (i = 0; i < nic->config.tx_fifo_num; i++) {
+ if (mac_control->fifos[i].ufo_in_band_v) {
+ nic->mac_control.stats_info->sw_stat.mem_freed
+ += (config->tx_cfg[i].fifo_len * sizeof(u64));
+ kfree(mac_control->fifos[i].ufo_in_band_v);
+ }
+ }
+
if (mac_control->stats_mem) {
+ nic->mac_control.stats_info->sw_stat.mem_freed +=
+ mac_control->stats_mem_sz;
pci_free_consistent(nic->pdev,
mac_control->stats_mem_sz,
mac_control->stats_mem,
mac_control->stats_mem_phy);
- 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
- += (ufo_size * sizeof(u64));
}
}
@@ -1053,8 +1079,67 @@ static int s2io_print_pci_mode(struct s2io_nic *nic)
}
/**
+ * init_tti - Initialization transmit traffic interrupt scheme
+ * @nic: device private variable
+ * @link: link status (UP/DOWN) used to enable/disable continuous
+ * transmit interrupts
+ * Description: The function configures transmit traffic interrupts
+ * Return Value: SUCCESS on success and
+ * '-1' on failure
+ */
+
+int init_tti(struct s2io_nic *nic, int link)
+{
+ struct XENA_dev_config __iomem *bar0 = nic->bar0;
+ register u64 val64 = 0;
+ int i;
+ struct config_param *config;
+
+ config = &nic->config;
+
+ for (i = 0; i < config->tx_fifo_num; i++) {
+ /*
+ * TTI Initialization. Default Tx timer gets us about
+ * 250 interrupts per sec. Continuous interrupts are enabled
+ * by default.
+ */
+ if (nic->device_type == XFRAME_II_DEVICE) {
+ int count = (nic->config.bus_speed * 125)/2;
+ val64 = TTI_DATA1_MEM_TX_TIMER_VAL(count);
+ } else
+ val64 = TTI_DATA1_MEM_TX_TIMER_VAL(0x2078);
+
+ val64 |= TTI_DATA1_MEM_TX_URNG_A(0xA) |
+ TTI_DATA1_MEM_TX_URNG_B(0x10) |
+ TTI_DATA1_MEM_TX_URNG_C(0x30) |
+ TTI_DATA1_MEM_TX_TIMER_AC_EN;
+
+ if (use_continuous_tx_intrs && (link == LINK_UP))
+ val64 |= TTI_DATA1_MEM_TX_TIMER_CI_EN;
+ writeq(val64, &bar0->tti_data1_mem);
+
+ val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) |
+ TTI_DATA2_MEM_TX_UFC_B(0x20) |
+ TTI_DATA2_MEM_TX_UFC_C(0x40) |
+ TTI_DATA2_MEM_TX_UFC_D(0x80);
+
+ writeq(val64, &bar0->tti_data2_mem);
+
+ val64 = TTI_CMD_MEM_WE | TTI_CMD_MEM_STROBE_NEW_CMD |
+ TTI_CMD_MEM_OFFSET(i);
+ writeq(val64, &bar0->tti_command_mem);
+
+ if (wait_for_cmd_complete(&bar0->tti_command_mem,
+ TTI_CMD_MEM_STROBE_NEW_CMD, S2IO_BIT_RESET) != SUCCESS)
+ return FAILURE;
+ }
+
+ return SUCCESS;
+}
+
+/**
* init_nic - Initialization of hardware
- * @nic: device peivate variable
+ * @nic: device private variable
* Description: The function sequentially configures every block
* of the H/W from their reset values.
* Return Value: SUCCESS on success and
@@ -1159,9 +1244,9 @@ static int init_nic(struct s2io_nic *nic)
for (i = 0, j = 0; i < config->tx_fifo_num; i++) {
val64 |=
- vBIT(config->tx_cfg[i].fifo_len - 1, ((i * 32) + 19),
+ vBIT(config->tx_cfg[i].fifo_len - 1, ((j * 32) + 19),
13) | vBIT(config->tx_cfg[i].fifo_priority,
- ((i * 32) + 5), 3);
+ ((j * 32) + 5), 3);
if (i == (config->tx_fifo_num - 1)) {
if (i % 2 == 0)
@@ -1172,17 +1257,25 @@ static int init_nic(struct s2io_nic *nic)
case 1:
writeq(val64, &bar0->tx_fifo_partition_0);
val64 = 0;
+ j = 0;
break;
case 3:
writeq(val64, &bar0->tx_fifo_partition_1);
val64 = 0;
+ j = 0;
break;
case 5:
writeq(val64, &bar0->tx_fifo_partition_2);
val64 = 0;
+ j = 0;
break;
case 7:
writeq(val64, &bar0->tx_fifo_partition_3);
+ val64 = 0;
+ j = 0;
+ break;
+ default:
+ j++;
break;
}
}
@@ -1268,11 +1361,11 @@ static int init_nic(struct s2io_nic *nic)
/*
* Filling Tx round robin registers
- * as per the number of FIFOs
+ * as per the number of FIFOs for equal scheduling priority
*/
switch (config->tx_fifo_num) {
case 1:
- val64 = 0x0000000000000000ULL;
+ val64 = 0x0;
writeq(val64, &bar0->tx_w_round_robin_0);
writeq(val64, &bar0->tx_w_round_robin_1);
writeq(val64, &bar0->tx_w_round_robin_2);
@@ -1280,87 +1373,78 @@ static int init_nic(struct s2io_nic *nic)
writeq(val64, &bar0->tx_w_round_robin_4);
break;
case 2:
- val64 = 0x0000010000010000ULL;
+ val64 = 0x0001000100010001ULL;
writeq(val64, &bar0->tx_w_round_robin_0);
- val64 = 0x0100000100000100ULL;
writeq(val64, &bar0->tx_w_round_robin_1);
- val64 = 0x0001000001000001ULL;
writeq(val64, &bar0->tx_w_round_robin_2);
- val64 = 0x0000010000010000ULL;
writeq(val64, &bar0->tx_w_round_robin_3);
- val64 = 0x0100000000000000ULL;
+ val64 = 0x0001000100000000ULL;
writeq(val64, &bar0->tx_w_round_robin_4);
break;
case 3:
- val64 = 0x0001000102000001ULL;
+ val64 = 0x0001020001020001ULL;
writeq(val64, &bar0->tx_w_round_robin_0);
- val64 = 0x0001020000010001ULL;
+ val64 = 0x0200010200010200ULL;
writeq(val64, &bar0->tx_w_round_robin_1);
- val64 = 0x0200000100010200ULL;
+ val64 = 0x0102000102000102ULL;
writeq(val64, &bar0->tx_w_round_robin_2);
- val64 = 0x0001000102000001ULL;
+ val64 = 0x0001020001020001ULL;
writeq(val64, &bar0->tx_w_round_robin_3);
- val64 = 0x0001020000000000ULL;
+ val64 = 0x0200010200000000ULL;
writeq(val64, &bar0->tx_w_round_robin_4);
break;
case 4:
- val64 = 0x0001020300010200ULL;
+ val64 = 0x0001020300010203ULL;
writeq(val64, &bar0->tx_w_round_robin_0);
- val64 = 0x0100000102030001ULL;
writeq(val64, &bar0->tx_w_round_robin_1);
- val64 = 0x0200010000010203ULL;
writeq(val64, &bar0->tx_w_round_robin_2);
- val64 = 0x0001020001000001ULL;
writeq(val64, &bar0->tx_w_round_robin_3);
- val64 = 0x0203000100000000ULL;
+ val64 = 0x0001020300000000ULL;
writeq(val64, &bar0->tx_w_round_robin_4);
break;
case 5:
- val64 = 0x0001000203000102ULL;
+ val64 = 0x0001020304000102ULL;
writeq(val64, &bar0->tx_w_round_robin_0);
- val64 = 0x0001020001030004ULL;
+ val64 = 0x0304000102030400ULL;
writeq(val64, &bar0->tx_w_round_robin_1);
- val64 = 0x0001000203000102ULL;
+ val64 = 0x0102030400010203ULL;
writeq(val64, &bar0->tx_w_round_robin_2);
- val64 = 0x0001020001030004ULL;
+ val64 = 0x0400010203040001ULL;
writeq(val64, &bar0->tx_w_round_robin_3);
- val64 = 0x0001000000000000ULL;
+ val64 = 0x0203040000000000ULL;
writeq(val64, &bar0->tx_w_round_robin_4);
break;
case 6:
- val64 = 0x0001020304000102ULL;
+ val64 = 0x0001020304050001ULL;
writeq(val64, &bar0->tx_w_round_robin_0);
- val64 = 0x0304050001020001ULL;
+ val64 = 0x0203040500010203ULL;
writeq(val64, &bar0->tx_w_round_robin_1);
- val64 = 0x0203000100000102ULL;
+ val64 = 0x0405000102030405ULL;
writeq(val64, &bar0->tx_w_round_robin_2);
- val64 = 0x0304000102030405ULL;
+ val64 = 0x0001020304050001ULL;
writeq(val64, &bar0->tx_w_round_robin_3);
- val64 = 0x0001000200000000ULL;
+ val64 = 0x0203040500000000ULL;
writeq(val64, &bar0->tx_w_round_robin_4);
break;
case 7:
- val64 = 0x0001020001020300ULL;
+ val64 = 0x0001020304050600ULL;
writeq(val64, &bar0->tx_w_round_robin_0);
- val64 = 0x0102030400010203ULL;
+ val64 = 0x0102030405060001ULL;
writeq(val64, &bar0->tx_w_round_robin_1);
- val64 = 0x0405060001020001ULL;
+ val64 = 0x0203040506000102ULL;
writeq(val64, &bar0->tx_w_round_robin_2);
- val64 = 0x0304050000010200ULL;
+ val64 = 0x0304050600010203ULL;
writeq(val64, &bar0->tx_w_round_robin_3);
- val64 = 0x0102030000000000ULL;
+ val64 = 0x0405060000000000ULL;
writeq(val64, &bar0->tx_w_round_robin_4);
break;
case 8:
- val64 = 0x0001020300040105ULL;
+ val64 = 0x0001020304050607ULL;
writeq(val64, &bar0->tx_w_round_robin_0);
- val64 = 0x0200030106000204ULL;
writeq(val64, &bar0->tx_w_round_robin_1);
- val64 = 0x0103000502010007ULL;
writeq(val64, &bar0->tx_w_round_robin_2);
- val64 = 0x0304010002060500ULL;
writeq(val64, &bar0->tx_w_round_robin_3);
- val64 = 0x0103020400000000ULL;
+ val64 = 0x0001020300000000ULL;
writeq(val64, &bar0->tx_w_round_robin_4);
break;
}
@@ -1537,58 +1621,14 @@ static int init_nic(struct s2io_nic *nic)
MAC_RX_LINK_UTIL_VAL(rmac_util_period);
writeq(val64, &bar0->mac_link_util);
-
/*
* Initializing the Transmit and Receive Traffic Interrupt
* Scheme.
*/
- /*
- * TTI Initialization. Default Tx timer gets us about
- * 250 interrupts per sec. Continuous interrupts are enabled
- * by default.
- */
- if (nic->device_type == XFRAME_II_DEVICE) {
- int count = (nic->config.bus_speed * 125)/2;
- val64 = TTI_DATA1_MEM_TX_TIMER_VAL(count);
- } else {
-
- val64 = TTI_DATA1_MEM_TX_TIMER_VAL(0x2078);
- }
- val64 |= TTI_DATA1_MEM_TX_URNG_A(0xA) |
- TTI_DATA1_MEM_TX_URNG_B(0x10) |
- TTI_DATA1_MEM_TX_URNG_C(0x30) | TTI_DATA1_MEM_TX_TIMER_AC_EN;
- if (use_continuous_tx_intrs)
- val64 |= TTI_DATA1_MEM_TX_TIMER_CI_EN;
- writeq(val64, &bar0->tti_data1_mem);
-
- val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) |
- TTI_DATA2_MEM_TX_UFC_B(0x20) |
- TTI_DATA2_MEM_TX_UFC_C(0x40) | TTI_DATA2_MEM_TX_UFC_D(0x80);
- writeq(val64, &bar0->tti_data2_mem);
-
- val64 = TTI_CMD_MEM_WE | TTI_CMD_MEM_STROBE_NEW_CMD;
- writeq(val64, &bar0->tti_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 -ENODEV;
- }
- msleep(50);
- time++;
- }
+ /* Initialize TTI */
+ if (SUCCESS != init_tti(nic, nic->last_link_state))
+ return -ENODEV;
/* RTI Initialization */
if (nic->device_type == XFRAME_II_DEVICE) {
@@ -2242,7 +2282,7 @@ static struct sk_buff *s2io_txdl_getskb(struct fifo_info *fifo_data, struct \
u16 j, frg_cnt;
txds = txdlp;
- if (txds->Host_Control == (u64)(long)nic->ufo_in_band_v) {
+ if (txds->Host_Control == (u64)(long)fifo_data->ufo_in_band_v) {
pci_unmap_single(nic->pdev, (dma_addr_t)
txds->Buffer_Pointer, sizeof(u64),
PCI_DMA_TODEVICE);
@@ -2297,6 +2337,8 @@ static void free_tx_buffers(struct s2io_nic *nic)
config = &nic->config;
for (i = 0; i < config->tx_fifo_num; i++) {
+ unsigned long flags;
+ spin_lock_irqsave(&mac_control->fifos[i].tx_lock, flags);
for (j = 0; j < config->tx_cfg[i].fifo_len - 1; j++) {
txdp = (struct TxD *) \
mac_control->fifos[i].list_info[j].list_virt_addr;
@@ -2313,6 +2355,7 @@ static void free_tx_buffers(struct s2io_nic *nic)
dev->name, cnt, i);
mac_control->fifos[i].tx_curr_get_info.offset = 0;
mac_control->fifos[i].tx_curr_put_info.offset = 0;
+ spin_unlock_irqrestore(&mac_control->fifos[i].tx_lock, flags);
}
}
@@ -2933,8 +2976,12 @@ static void tx_intr_handler(struct fifo_info *fifo_data)
struct tx_curr_get_info get_info, put_info;
struct sk_buff *skb;
struct TxD *txdlp;
+ unsigned long flags = 0;
u8 err_mask;
+ if (!spin_trylock_irqsave(&fifo_data->tx_lock, flags))
+ return;
+
get_info = fifo_data->tx_curr_get_info;
memcpy(&put_info, &fifo_data->tx_curr_put_info, sizeof(put_info));
txdlp = (struct TxD *) fifo_data->list_info[get_info.offset].
@@ -2983,6 +3030,7 @@ static void tx_intr_handler(struct fifo_info *fifo_data)
skb = s2io_txdl_getskb(fifo_data, txdlp, get_info.offset);
if (skb == NULL) {
+ spin_unlock_irqrestore(&fifo_data->tx_lock, flags);
DBG_PRINT(ERR_DBG, "%s: Null skb ",
__FUNCTION__);
DBG_PRINT(ERR_DBG, "in Tx Free Intr\n");
@@ -3003,10 +3051,10 @@ static void tx_intr_handler(struct fifo_info *fifo_data)
get_info.offset;
}
- spin_lock(&nic->tx_lock);
if (netif_queue_stopped(dev))
netif_wake_queue(dev);
- spin_unlock(&nic->tx_lock);
+
+ spin_unlock_irqrestore(&fifo_data->tx_lock, flags);
}
/**
@@ -3376,6 +3424,9 @@ static void s2io_reset(struct s2io_nic * sp)
/* Set swapper to enable I/O register access */
s2io_set_swapper(sp);
+ /* restore mac_addr entries */
+ do_s2io_restore_unicast_mc(sp);
+
/* Restore the MSIX table entries from local variables */
restore_xmsi_data(sp);
@@ -3434,9 +3485,6 @@ static void s2io_reset(struct s2io_nic * sp)
writeq(val64, &bar0->pcc_err_reg);
}
- /* restore the previously assigned mac address */
- do_s2io_prog_unicast(sp->dev, (u8 *)&sp->def_mac_addr[0].mac_addr);
-
sp->device_enabled_once = FALSE;
}
@@ -3773,7 +3821,7 @@ static int s2io_test_msi(struct s2io_nic *sp)
if (!sp->msi_detected) {
/* MSI(X) test failed, go back to INTx mode */
- DBG_PRINT(ERR_DBG, "%s: PCI %s: No interrupt was generated"
+ DBG_PRINT(ERR_DBG, "%s: PCI %s: No interrupt was generated "
"using MSI(X) during test\n", sp->dev->name,
pci_name(pdev));
@@ -3921,6 +3969,9 @@ hw_init_failed:
static int s2io_close(struct net_device *dev)
{
struct s2io_nic *sp = dev->priv;
+ struct config_param *config = &sp->config;
+ u64 tmp64;
+ int offset;
/* Return if the device is already closed *
* Can happen when s2io_card_up failed in change_mtu *
@@ -3929,6 +3980,14 @@ static int s2io_close(struct net_device *dev)
return 0;
netif_stop_queue(dev);
+
+ /* delete all populated mac entries */
+ for (offset = 1; offset < config->max_mc_addr; offset++) {
+ tmp64 = do_s2io_read_unicast_mc(sp, offset);
+ if (tmp64 != S2IO_DISABLE_MAC_ENTRY)
+ do_s2io_delete_unicast_mc(sp, tmp64);
+ }
+
/* Reset card, kill tasklet and free Tx and Rx buffers. */
s2io_card_down(sp);
@@ -3955,9 +4014,10 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
register u64 val64;
struct TxD *txdp;
struct TxFIFO_element __iomem *tx_fifo;
- unsigned long flags;
+ unsigned long flags = 0;
u16 vlan_tag = 0;
int vlan_priority = 0;
+ struct fifo_info *fifo = NULL;
struct mac_info *mac_control;
struct config_param *config;
int offload_type;
@@ -3972,13 +4032,11 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
DBG_PRINT(TX_DBG, "%s:Buffer has no data..\n", dev->name);
dev_kfree_skb_any(skb);
return 0;
-}
+ }
- spin_lock_irqsave(&sp->tx_lock, flags);
if (!is_s2io_card_up(sp)) {
DBG_PRINT(TX_DBG, "%s: Card going down for reset\n",
dev->name);
- spin_unlock_irqrestore(&sp->tx_lock, flags);
dev_kfree_skb(skb);
return 0;
}
@@ -3991,19 +4049,20 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
queue = config->fifo_mapping[vlan_priority];
}
- put_off = (u16) mac_control->fifos[queue].tx_curr_put_info.offset;
- get_off = (u16) mac_control->fifos[queue].tx_curr_get_info.offset;
- txdp = (struct TxD *) mac_control->fifos[queue].list_info[put_off].
- list_virt_addr;
+ fifo = &mac_control->fifos[queue];
+ spin_lock_irqsave(&fifo->tx_lock, flags);
+ put_off = (u16) fifo->tx_curr_put_info.offset;
+ get_off = (u16) fifo->tx_curr_get_info.offset;
+ txdp = (struct TxD *) fifo->list_info[put_off].list_virt_addr;
- queue_len = mac_control->fifos[queue].tx_curr_put_info.fifo_len + 1;
+ queue_len = fifo->tx_curr_put_info.fifo_len + 1;
/* Avoid "put" pointer going beyond "get" pointer */
if (txdp->Host_Control ||
((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) {
DBG_PRINT(TX_DBG, "Error in xmit, No free TXDs.\n");
netif_stop_queue(dev);
dev_kfree_skb(skb);
- spin_unlock_irqrestore(&sp->tx_lock, flags);
+ spin_unlock_irqrestore(&fifo->tx_lock, flags);
return 0;
}
@@ -4019,7 +4078,7 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
}
txdp->Control_1 |= TXD_GATHER_CODE_FIRST;
txdp->Control_1 |= TXD_LIST_OWN_XENA;
- txdp->Control_2 |= config->tx_intr_type;
+ txdp->Control_2 |= TXD_INT_NUMBER(fifo->fifo_no);
if (sp->vlgrp && vlan_tx_tag_present(skb)) {
txdp->Control_2 |= TXD_VLAN_ENABLE;
@@ -4036,15 +4095,15 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
txdp->Control_1 |= TXD_UFO_MSS(ufo_size);
txdp->Control_1 |= TXD_BUFFER0_SIZE(8);
#ifdef __BIG_ENDIAN
- sp->ufo_in_band_v[put_off] =
+ fifo->ufo_in_band_v[put_off] =
(u64)skb_shinfo(skb)->ip6_frag_id;
#else
- sp->ufo_in_band_v[put_off] =
+ fifo->ufo_in_band_v[put_off] =
(u64)skb_shinfo(skb)->ip6_frag_id << 32;
#endif
- txdp->Host_Control = (unsigned long)sp->ufo_in_band_v;
+ txdp->Host_Control = (unsigned long)fifo->ufo_in_band_v;
txdp->Buffer_Pointer = pci_map_single(sp->pdev,
- sp->ufo_in_band_v,
+ fifo->ufo_in_band_v,
sizeof(u64), PCI_DMA_TODEVICE);
if((txdp->Buffer_Pointer == 0) ||
(txdp->Buffer_Pointer == DMA_ERROR_CODE))
@@ -4084,7 +4143,7 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
frg_cnt++; /* as Txd0 was used for inband header */
tx_fifo = mac_control->tx_FIFO_start[queue];
- val64 = mac_control->fifos[queue].list_info[put_off].list_phy_addr;
+ val64 = fifo->list_info[put_off].list_phy_addr;
writeq(val64, &tx_fifo->TxDL_Pointer);
val64 = (TX_FIFO_LAST_TXD_NUM(frg_cnt) | TX_FIFO_FIRST_LIST |
@@ -4097,9 +4156,9 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
mmiowb();
put_off++;
- if (put_off == mac_control->fifos[queue].tx_curr_put_info.fifo_len + 1)
+ if (put_off == fifo->tx_curr_put_info.fifo_len + 1)
put_off = 0;
- mac_control->fifos[queue].tx_curr_put_info.offset = put_off;
+ fifo->tx_curr_put_info.offset = put_off;
/* Avoid "put" pointer going beyond "get" pointer */
if (((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) {
@@ -4111,7 +4170,7 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
}
mac_control->stats_info->sw_stat.mem_allocated += skb->truesize;
dev->trans_start = jiffies;
- spin_unlock_irqrestore(&sp->tx_lock, flags);
+ spin_unlock_irqrestore(&fifo->tx_lock, flags);
return 0;
pci_map_failed:
@@ -4119,7 +4178,7 @@ pci_map_failed:
netif_stop_queue(dev);
stats->mem_freed += skb->truesize;
dev_kfree_skb(skb);
- spin_unlock_irqrestore(&sp->tx_lock, flags);
+ spin_unlock_irqrestore(&fifo->tx_lock, flags);
return 0;
}
@@ -4729,8 +4788,9 @@ static void s2io_set_multicast(struct net_device *dev)
struct XENA_dev_config __iomem *bar0 = sp->bar0;
u64 val64 = 0, multi_mac = 0x010203040506ULL, mask =
0xfeffffffffffULL;
- u64 dis_addr = 0xffffffffffffULL, mac_addr = 0;
+ u64 dis_addr = S2IO_DISABLE_MAC_ENTRY, mac_addr = 0;
void __iomem *add;
+ struct config_param *config = &sp->config;
if ((dev->flags & IFF_ALLMULTI) && (!sp->m_cast_flg)) {
/* Enable all Multicast addresses */
@@ -4740,7 +4800,7 @@ static void s2io_set_multicast(struct net_device *dev)
&bar0->rmac_addr_data1_mem);
val64 = RMAC_ADDR_CMD_MEM_WE |
RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD |
- RMAC_ADDR_CMD_MEM_OFFSET(MAC_MC_ALL_MC_ADDR_OFFSET);
+ RMAC_ADDR_CMD_MEM_OFFSET(config->max_mc_addr - 1);
writeq(val64, &bar0->rmac_addr_cmd_mem);
/* Wait till command completes */
wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem,
@@ -4748,7 +4808,7 @@ static void s2io_set_multicast(struct net_device *dev)
S2IO_BIT_RESET);
sp->m_cast_flg = 1;
- sp->all_multi_pos = MAC_MC_ALL_MC_ADDR_OFFSET;
+ sp->all_multi_pos = config->max_mc_addr - 1;
} else if ((dev->flags & IFF_ALLMULTI) && (sp->m_cast_flg)) {
/* Disable all Multicast addresses */
writeq(RMAC_ADDR_DATA0_MEM_ADDR(dis_addr),
@@ -4817,7 +4877,7 @@ static void s2io_set_multicast(struct net_device *dev)
/* Update individual M_CAST address list */
if ((!sp->m_cast_flg) && dev->mc_count) {
if (dev->mc_count >
- (MAX_ADDRS_SUPPORTED - MAC_MC_ADDR_START_OFFSET - 1)) {
+ (config->max_mc_addr - config->max_mac_addr)) {
DBG_PRINT(ERR_DBG, "%s: No more Rx filters ",
dev->name);
DBG_PRINT(ERR_DBG, "can be added, please enable ");
@@ -4837,7 +4897,7 @@ static void s2io_set_multicast(struct net_device *dev)
val64 = RMAC_ADDR_CMD_MEM_WE |
RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD |
RMAC_ADDR_CMD_MEM_OFFSET
- (MAC_MC_ADDR_START_OFFSET + i);
+ (config->mc_start_offset + i);
writeq(val64, &bar0->rmac_addr_cmd_mem);
/* Wait for command completes */
@@ -4869,7 +4929,7 @@ static void s2io_set_multicast(struct net_device *dev)
val64 = RMAC_ADDR_CMD_MEM_WE |
RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD |
RMAC_ADDR_CMD_MEM_OFFSET
- (i + MAC_MC_ADDR_START_OFFSET);
+ (i + config->mc_start_offset);
writeq(val64, &bar0->rmac_addr_cmd_mem);
/* Wait for command completes */
@@ -4885,8 +4945,78 @@ static void s2io_set_multicast(struct net_device *dev)
}
}
-/* add unicast MAC address to CAM */
-static int do_s2io_add_unicast(struct s2io_nic *sp, u64 addr, int off)
+/* read from CAM unicast & multicast addresses and store it in
+ * def_mac_addr structure
+ */
+void do_s2io_store_unicast_mc(struct s2io_nic *sp)
+{
+ int offset;
+ u64 mac_addr = 0x0;
+ struct config_param *config = &sp->config;
+
+ /* store unicast & multicast mac addresses */
+ for (offset = 0; offset < config->max_mc_addr; offset++) {
+ mac_addr = do_s2io_read_unicast_mc(sp, offset);
+ /* if read fails disable the entry */
+ if (mac_addr == FAILURE)
+ mac_addr = S2IO_DISABLE_MAC_ENTRY;
+ do_s2io_copy_mac_addr(sp, offset, mac_addr);
+ }
+}
+
+/* restore unicast & multicast MAC to CAM from def_mac_addr structure */
+static void do_s2io_restore_unicast_mc(struct s2io_nic *sp)
+{
+ int offset;
+ struct config_param *config = &sp->config;
+ /* restore unicast mac address */
+ for (offset = 0; offset < config->max_mac_addr; offset++)
+ do_s2io_prog_unicast(sp->dev,
+ sp->def_mac_addr[offset].mac_addr);
+
+ /* restore multicast mac address */
+ for (offset = config->mc_start_offset;
+ offset < config->max_mc_addr; offset++)
+ do_s2io_add_mc(sp, sp->def_mac_addr[offset].mac_addr);
+}
+
+/* add a multicast MAC address to CAM */
+static int do_s2io_add_mc(struct s2io_nic *sp, u8 *addr)
+{
+ int i;
+ u64 mac_addr = 0;
+ struct config_param *config = &sp->config;
+
+ for (i = 0; i < ETH_ALEN; i++) {
+ mac_addr <<= 8;
+ mac_addr |= addr[i];
+ }
+ if ((0ULL == mac_addr) || (mac_addr == S2IO_DISABLE_MAC_ENTRY))
+ return SUCCESS;
+
+ /* check if the multicast mac already preset in CAM */
+ for (i = config->mc_start_offset; i < config->max_mc_addr; i++) {
+ u64 tmp64;
+ tmp64 = do_s2io_read_unicast_mc(sp, i);
+ if (tmp64 == S2IO_DISABLE_MAC_ENTRY) /* CAM entry is empty */
+ break;
+
+ if (tmp64 == mac_addr)
+ return SUCCESS;
+ }
+ if (i == config->max_mc_addr) {
+ DBG_PRINT(ERR_DBG,
+ "CAM full no space left for multicast MAC\n");
+ return FAILURE;
+ }
+ /* Update the internal structure with this new mac address */
+ do_s2io_copy_mac_addr(sp, i, mac_addr);
+
+ return (do_s2io_add_mac(sp, mac_addr, i));
+}
+
+/* add MAC address to CAM */
+static int do_s2io_add_mac(struct s2io_nic *sp, u64 addr, int off)
{
u64 val64;
struct XENA_dev_config __iomem *bar0 = sp->bar0;
@@ -4903,15 +5033,62 @@ static int do_s2io_add_unicast(struct s2io_nic *sp, u64 addr, int off)
if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem,
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING,
S2IO_BIT_RESET)) {
- DBG_PRINT(INFO_DBG, "add_mac_addr failed\n");
+ DBG_PRINT(INFO_DBG, "do_s2io_add_mac failed\n");
return FAILURE;
}
return SUCCESS;
}
+/* deletes a specified unicast/multicast mac entry from CAM */
+static int do_s2io_delete_unicast_mc(struct s2io_nic *sp, u64 addr)
+{
+ int offset;
+ u64 dis_addr = S2IO_DISABLE_MAC_ENTRY, tmp64;
+ struct config_param *config = &sp->config;
+
+ for (offset = 1;
+ offset < config->max_mc_addr; offset++) {
+ tmp64 = do_s2io_read_unicast_mc(sp, offset);
+ if (tmp64 == addr) {
+ /* disable the entry by writing 0xffffffffffffULL */
+ if (do_s2io_add_mac(sp, dis_addr, offset) == FAILURE)
+ return FAILURE;
+ /* store the new mac list from CAM */
+ do_s2io_store_unicast_mc(sp);
+ return SUCCESS;
+ }
+ }
+ DBG_PRINT(ERR_DBG, "MAC address 0x%llx not found in CAM\n",
+ (unsigned long long)addr);
+ return FAILURE;
+}
+
+/* read mac entries from CAM */
+static u64 do_s2io_read_unicast_mc(struct s2io_nic *sp, int offset)
+{
+ u64 tmp64 = 0xffffffffffff0000ULL, val64;
+ struct XENA_dev_config __iomem *bar0 = sp->bar0;
+
+ /* read mac addr */
+ val64 =
+ RMAC_ADDR_CMD_MEM_RD | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD |
+ RMAC_ADDR_CMD_MEM_OFFSET(offset);
+ writeq(val64, &bar0->rmac_addr_cmd_mem);
+
+ /* Wait till command completes */
+ if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem,
+ RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING,
+ S2IO_BIT_RESET)) {
+ DBG_PRINT(INFO_DBG, "do_s2io_read_unicast_mc failed\n");
+ return FAILURE;
+ }
+ tmp64 = readq(&bar0->rmac_addr_data0_mem);
+ return (tmp64 >> 16);
+}
/**
* s2io_set_mac_addr driver entry point
*/
+
static int s2io_set_mac_addr(struct net_device *dev, void *p)
{
struct sockaddr *addr = p;
@@ -4924,7 +5101,6 @@ static int s2io_set_mac_addr(struct net_device *dev, void *p)
/* store the MAC address in CAM */
return (do_s2io_prog_unicast(dev, dev->dev_addr));
}
-
/**
* do_s2io_prog_unicast - Programs the Xframe mac address
* @dev : pointer to the device structure.
@@ -4934,11 +5110,14 @@ static int s2io_set_mac_addr(struct net_device *dev, void *p)
* Return value: SUCCESS on success and an appropriate (-)ve integer
* as defined in errno.h file on failure.
*/
+
static int do_s2io_prog_unicast(struct net_device *dev, u8 *addr)
{
struct s2io_nic *sp = dev->priv;
register u64 mac_addr = 0, perm_addr = 0;
int i;
+ u64 tmp64;
+ struct config_param *config = &sp->config;
/*
* Set the new MAC address as the new unicast filter and reflect this
@@ -4956,9 +5135,26 @@ static int do_s2io_prog_unicast(struct net_device *dev, u8 *addr)
if (mac_addr == perm_addr)
return SUCCESS;
+ /* check if the mac already preset in CAM */
+ for (i = 1; i < config->max_mac_addr; i++) {
+ tmp64 = do_s2io_read_unicast_mc(sp, i);
+ if (tmp64 == S2IO_DISABLE_MAC_ENTRY) /* CAM entry is empty */
+ break;
+
+ if (tmp64 == mac_addr) {
+ DBG_PRINT(INFO_DBG,
+ "MAC addr:0x%llx already present in CAM\n",
+ (unsigned long long)mac_addr);
+ return SUCCESS;
+ }
+ }
+ if (i == config->max_mac_addr) {
+ DBG_PRINT(ERR_DBG, "CAM full no space left for Unicast MAC\n");
+ return FAILURE;
+ }
/* Update the internal structure with this new mac address */
- do_s2io_copy_mac_addr(sp, 0, mac_addr);
- return (do_s2io_add_unicast(sp, mac_addr, 0));
+ do_s2io_copy_mac_addr(sp, i, mac_addr);
+ return (do_s2io_add_mac(sp, mac_addr, i));
}
/**
@@ -6721,7 +6917,7 @@ static int s2io_add_isr(struct s2io_nic * sp)
/* If either data or addr is zero print it */
if(!(sp->msix_info[i].addr &&
sp->msix_info[i].data)) {
- DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx"
+ DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx "
"Data:0x%lx\n",sp->desc[i],
(unsigned long long)
sp->msix_info[i].addr,
@@ -6739,7 +6935,7 @@ static int s2io_add_isr(struct s2io_nic * sp)
/* If either data or addr is zero print it */
if(!(sp->msix_info[i].addr &&
sp->msix_info[i].data)) {
- DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx"
+ DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx "
"Data:0x%lx\n",sp->desc[i],
(unsigned long long)
sp->msix_info[i].addr,
@@ -6848,10 +7044,8 @@ static void do_s2io_card_down(struct s2io_nic * sp, int do_io)
if (do_io)
s2io_reset(sp);
- spin_lock_irqsave(&sp->tx_lock, flags);
/* Free all Tx buffers */
free_tx_buffers(sp);
- spin_unlock_irqrestore(&sp->tx_lock, flags);
/* Free all Rx buffers */
spin_lock_irqsave(&sp->rx_lock, flags);
@@ -7263,6 +7457,7 @@ static void s2io_link(struct s2io_nic * sp, int link)
struct net_device *dev = (struct net_device *) sp->dev;
if (link != sp->last_link_state) {
+ init_tti(sp, link);
if (link == LINK_DOWN) {
DBG_PRINT(ERR_DBG, "%s: Link down\n", dev->name);
netif_carrier_off(dev);
@@ -7315,12 +7510,18 @@ static void s2io_init_pci(struct s2io_nic * sp)
static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type)
{
- if ( tx_fifo_num > 8) {
- DBG_PRINT(ERR_DBG, "s2io: Requested number of Tx fifos not "
- "supported\n");
- DBG_PRINT(ERR_DBG, "s2io: Default to 8 Tx fifos\n");
- tx_fifo_num = 8;
+ if ((tx_fifo_num > MAX_TX_FIFOS) ||
+ (tx_fifo_num < FIFO_DEFAULT_NUM)) {
+ DBG_PRINT(ERR_DBG, "s2io: Requested number of tx fifos "
+ "(%d) not supported\n", tx_fifo_num);
+ tx_fifo_num =
+ ((tx_fifo_num > MAX_TX_FIFOS)? MAX_TX_FIFOS :
+ ((tx_fifo_num < FIFO_DEFAULT_NUM) ? FIFO_DEFAULT_NUM :
+ tx_fifo_num));
+ DBG_PRINT(ERR_DBG, "s2io: Default to %d ", tx_fifo_num);
+ DBG_PRINT(ERR_DBG, "tx fifos\n");
}
+
if ( rx_ring_num > 8) {
DBG_PRINT(ERR_DBG, "s2io: Requested number of Rx rings not "
"supported\n");
@@ -7355,7 +7556,7 @@ static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type)
/**
* rts_ds_steer - Receive traffic steering based on IPv4 or IPv6 TOS
* or Traffic class respectively.
- * @nic: device peivate variable
+ * @nic: device private variable
* Description: The function configures the receive steering to
* desired receive ring.
* Return Value: SUCCESS on success and
@@ -7652,7 +7853,7 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
*/
bar0 = sp->bar0;
val64 = RMAC_ADDR_CMD_MEM_RD | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD |
- RMAC_ADDR_CMD_MEM_OFFSET(0 + MAC_MAC_ADDR_START_OFFSET);
+ RMAC_ADDR_CMD_MEM_OFFSET(0 + S2IO_MAC_ADDR_START_OFFSET);
writeq(val64, &bar0->rmac_addr_cmd_mem);
wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem,
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, S2IO_BIT_RESET);
@@ -7672,6 +7873,20 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
memcpy(dev->dev_addr, sp->def_mac_addr, ETH_ALEN);
memcpy(dev->perm_addr, dev->dev_addr, ETH_ALEN);
+ /* initialize number of multicast & unicast MAC entries variables */
+ if (sp->device_type == XFRAME_I_DEVICE) {
+ config->max_mc_addr = S2IO_XENA_MAX_MC_ADDRESSES;
+ config->max_mac_addr = S2IO_XENA_MAX_MAC_ADDRESSES;
+ config->mc_start_offset = S2IO_XENA_MC_ADDR_START_OFFSET;
+ } else if (sp->device_type == XFRAME_II_DEVICE) {
+ config->max_mc_addr = S2IO_HERC_MAX_MC_ADDRESSES;
+ config->max_mac_addr = S2IO_HERC_MAX_MAC_ADDRESSES;
+ config->mc_start_offset = S2IO_HERC_MC_ADDR_START_OFFSET;
+ }
+
+ /* store mac addresses from CAM to s2io_nic structure */
+ do_s2io_store_unicast_mc(sp);
+
/* Store the values of the MSIX table in the s2io_nic structure */
store_xmsi_data(sp);
/* reset Nic and bring it to known state */
@@ -7685,7 +7900,8 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
sp->state = 0;
/* Initialize spinlocks */
- spin_lock_init(&sp->tx_lock);
+ for (i = 0; i < sp->config.tx_fifo_num; i++)
+ spin_lock_init(&mac_control->fifos[i].tx_lock);
if (!napi)
spin_lock_init(&sp->put_lock);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.