module_param(disable_tpa, int, 0);
MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
+#define INT_MODE_INTx 1
+#define INT_MODE_MSI 2
static int int_mode;
module_param(int_mode, int, 0);
MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
return rc;
}
-static void bnx2x_fw_dump(struct bnx2x *bp)
+void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
{
- u32 addr;
+ u32 addr, val;
u32 mark, offset;
__be32 data[9];
int word;
BNX2X_ERR("NO MCP - can not dump\n");
return;
}
+ netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
+ (bp->common.bc_ver & 0xff0000) >> 16,
+ (bp->common.bc_ver & 0xff00) >> 8,
+ (bp->common.bc_ver & 0xff));
+
+ val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
+ if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
+ printk("%s" "MCP PC at 0x%x\n", lvl, val);
if (BP_PATH(bp) == 0)
trace_shmem_base = bp->common.shmem_base;
mark = REG_RD(bp, addr);
mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
+ ((mark + 0x3) & ~0x3) - 0x08000000;
- pr_err("begin fw dump (mark 0x%x)\n", mark);
+ printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
- pr_err("");
+ printk("%s", lvl);
for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
for (word = 0; word < 8; word++)
data[word] = htonl(REG_RD(bp, offset + 4*word));
data[8] = 0x0;
pr_cont("%s", (char *)data);
}
- pr_err("end of fw dump\n");
+ printk("%s" "end of fw dump\n", lvl);
+}
+
+static inline void bnx2x_fw_dump(struct bnx2x *bp)
+{
+ bnx2x_fw_dump_lvl(bp, KERN_ERR);
}
void bnx2x_panic_dump(struct bnx2x *bp)
int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
int i, offset;
- /* disable interrupt handling */
- atomic_inc(&bp->intr_sem);
- smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
-
if (disable_hw)
/* prevent the HW from sending interrupts */
bnx2x_int_disable(bp);
}
DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
- /* Return here if interrupt is disabled */
- if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
- DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
- return IRQ_HANDLED;
- }
-
#ifdef BNX2X_STOP_ON_ERROR
if (unlikely(bp->panic))
return IRQ_HANDLED;
return 0;
}
-int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
-{
- u32 sel_phy_idx = 0;
- if (bp->link_vars.link_up) {
- sel_phy_idx = EXT_PHY1;
- /* In case link is SERDES, check if the EXT_PHY2 is the one */
- if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
- (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
- sel_phy_idx = EXT_PHY2;
- } else {
-
- switch (bnx2x_phy_selection(&bp->link_params)) {
- case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
- case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
- case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
- sel_phy_idx = EXT_PHY1;
- break;
- case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
- case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
- sel_phy_idx = EXT_PHY2;
- break;
- }
- }
- /*
- * The selected actived PHY is always after swapping (in case PHY
- * swapping is enabled). So when swapping is enabled, we need to reverse
- * the configuration
- */
-
- if (bp->link_params.multi_phy_config &
- PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
- if (sel_phy_idx == EXT_PHY1)
- sel_phy_idx = EXT_PHY2;
- else if (sel_phy_idx == EXT_PHY2)
- sel_phy_idx = EXT_PHY1;
- }
- return LINK_CONFIG_IDX(sel_phy_idx);
-}
-
void bnx2x_calc_fc_adv(struct bnx2x *bp)
{
u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
bp->vn_weight_sum += vn_min_rate;
}
- /* ... only if all min rates are zeros - disable fairness */
- if (all_zero) {
+ /* if ETS or all min rates are zeros - disable fairness */
+ if (BNX2X_IS_ETS_ENABLED(bp)) {
+ bp->cmng.flags.cmng_enables &=
+ ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
+ DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
+ } else if (all_zero) {
bp->cmng.flags.cmng_enables &=
~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
{
int mb_idx = BP_FW_MB_IDX(bp);
- u32 seq = ++bp->fw_seq;
+ u32 seq;
u32 rc = 0;
u32 cnt = 1;
u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
mutex_lock(&bp->fw_mb_mutex);
+ seq = ++bp->fw_seq;
SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
/* save nig interrupt mask */
nig_mask = REG_RD(bp, nig_int_mask_addr);
- REG_WR(bp, nig_int_mask_addr, 0);
- bnx2x_link_attn(bp);
+ /* If nig_mask is not set, no need to call the update
+ * function.
+ */
+ if (nig_mask) {
+ REG_WR(bp, nig_int_mask_addr, 0);
+
+ bnx2x_link_attn(bp);
+ }
/* handle unicore attn? */
}
struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
u16 status;
- /* Return here if interrupt is disabled */
- if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
- DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
- return;
- }
-
status = bnx2x_update_dsb_idx(bp);
/* if (status == 0) */
/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
struct net_device *dev = dev_instance;
struct bnx2x *bp = netdev_priv(dev);
- /* Return here if interrupt is disabled */
- if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
- DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
- return IRQ_HANDLED;
- }
-
bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
IGU_INT_DISABLE, 0);
if (!netif_running(bp->dev))
return;
- if (atomic_read(&bp->intr_sem) != 0)
- goto timer_restart;
-
if (poll) {
struct bnx2x_fastpath *fp = &bp->fp[0];
if (bp->state == BNX2X_STATE_OPEN)
bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
-timer_restart:
mod_timer(&bp->timer, jiffies + bp->current_interval);
}
#endif
+ /* Initialize MOD_ABS interrupts */
+ bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
+ bp->common.shmem_base, bp->common.shmem2_base,
+ BP_PORT(bp));
/* ensure status block indices were read */
rmb();
bnx2x_init_ind_table(bp);
bnx2x_stats_init(bp);
- /* At this point, we are ready for interrupts */
- atomic_set(&bp->intr_sem, 0);
-
/* flush all before enabling interrupts */
mb();
mmiowb();
*
* In case of MSI-X it will also try to enable MSI-X.
*/
-static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
+static void __devinit bnx2x_set_int_mode(struct bnx2x *bp)
{
- int rc = 0;
- switch (bp->int_mode) {
+ switch (int_mode) {
case INT_MODE_MSI:
bnx2x_enable_msi(bp);
/* falling through... */
* so try to enable MSI-X with the requested number of fp's
* and fallback to MSI or legacy INTx with one fp
*/
- rc = bnx2x_enable_msix(bp);
- if (rc) {
+ if (bnx2x_enable_msix(bp)) {
/* failed to enable MSI-X */
if (bp->multi_mode)
DP(NETIF_MSG_IFUP,
1 + NONE_ETH_CONTEXT_USE);
bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
+ /* Try to enable MSI */
if (!(bp->flags & DISABLE_MSI_FLAG))
bnx2x_enable_msi(bp);
}
-
break;
}
-
- return rc;
}
/* must be called prioir to any HW initializations */
int timer_interval;
int rc;
- /* Disable interrupt handling until HW is initialized */
- atomic_set(&bp->intr_sem, 1);
- smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
-
mutex_init(&bp->port.phy_mutex);
mutex_init(&bp->fw_mb_mutex);
spin_lock_init(&bp->stats_lock);
"must load devices in order!\n");
bp->multi_mode = multi_mode;
- bp->int_mode = int_mode;
/* Set TPA flags */
if (disable_tpa) {
if (ops == NULL)
return -EINVAL;
- if (atomic_read(&bp->intr_sem) != 0)
- return -EBUSY;
-
bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!bp->cnic_kwq)
return -ENOMEM;
git.openpandora.org / pandora-kernel.git / blobdiff