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path: root/drivers/net/sfc/falcon.c
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Diffstat (limited to 'drivers/net/sfc/falcon.c')
-rw-r--r--drivers/net/sfc/falcon.c136
1 files changed, 26 insertions, 110 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 4f9d33f3cca1..267019bb2b15 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -159,7 +159,6 @@ irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
{
struct efx_nic *efx = dev_id;
efx_oword_t *int_ker = efx->irq_status.addr;
- struct efx_channel *channel;
int syserr;
int queues;
@@ -194,15 +193,10 @@ irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
wmb(); /* Ensure the vector is cleared before interrupt ack */
falcon_irq_ack_a1(efx);
- /* Schedule processing of any interrupting queues */
- channel = &efx->channel[0];
- while (queues) {
- if (queues & 0x01)
- efx_schedule_channel(channel);
- channel++;
- queues >>= 1;
- }
-
+ if (queues & 1)
+ efx_schedule_channel(efx_get_channel(efx, 0));
+ if (queues & 2)
+ efx_schedule_channel(efx_get_channel(efx, 1));
return IRQ_HANDLED;
}
/**************************************************************************
@@ -452,30 +446,19 @@ static void falcon_reset_macs(struct efx_nic *efx)
/* It's not safe to use GLB_CTL_REG to reset the
* macs, so instead use the internal MAC resets
*/
- if (!EFX_IS10G(efx)) {
- EFX_POPULATE_OWORD_1(reg, FRF_AB_GM_SW_RST, 1);
- efx_writeo(efx, &reg, FR_AB_GM_CFG1);
- udelay(1000);
-
- EFX_POPULATE_OWORD_1(reg, FRF_AB_GM_SW_RST, 0);
- efx_writeo(efx, &reg, FR_AB_GM_CFG1);
- udelay(1000);
- return;
- } else {
- EFX_POPULATE_OWORD_1(reg, FRF_AB_XM_CORE_RST, 1);
- efx_writeo(efx, &reg, FR_AB_XM_GLB_CFG);
-
- for (count = 0; count < 10000; count++) {
- efx_reado(efx, &reg, FR_AB_XM_GLB_CFG);
- if (EFX_OWORD_FIELD(reg, FRF_AB_XM_CORE_RST) ==
- 0)
- return;
- udelay(10);
- }
-
- netif_err(efx, hw, efx->net_dev,
- "timed out waiting for XMAC core reset\n");
+ EFX_POPULATE_OWORD_1(reg, FRF_AB_XM_CORE_RST, 1);
+ efx_writeo(efx, &reg, FR_AB_XM_GLB_CFG);
+
+ for (count = 0; count < 10000; count++) {
+ efx_reado(efx, &reg, FR_AB_XM_GLB_CFG);
+ if (EFX_OWORD_FIELD(reg, FRF_AB_XM_CORE_RST) ==
+ 0)
+ return;
+ udelay(10);
}
+
+ netif_err(efx, hw, efx->net_dev,
+ "timed out waiting for XMAC core reset\n");
}
/* Mac stats will fail whist the TX fifo is draining */
@@ -514,7 +497,6 @@ static void falcon_reset_macs(struct efx_nic *efx)
* are re-enabled by the caller */
efx_writeo(efx, &mac_ctrl, FR_AB_MAC_CTRL);
- /* This can run even when the GMAC is selected */
falcon_setup_xaui(efx);
}
@@ -652,8 +634,6 @@ static void falcon_stats_timer_func(unsigned long context)
spin_unlock(&efx->stats_lock);
}
-static void falcon_switch_mac(struct efx_nic *efx);
-
static bool falcon_loopback_link_poll(struct efx_nic *efx)
{
struct efx_link_state old_state = efx->link_state;
@@ -664,11 +644,7 @@ static bool falcon_loopback_link_poll(struct efx_nic *efx)
efx->link_state.fd = true;
efx->link_state.fc = efx->wanted_fc;
efx->link_state.up = true;
-
- if (efx->loopback_mode == LOOPBACK_GMAC)
- efx->link_state.speed = 1000;
- else
- efx->link_state.speed = 10000;
+ efx->link_state.speed = 10000;
return !efx_link_state_equal(&efx->link_state, &old_state);
}
@@ -691,7 +667,7 @@ static int falcon_reconfigure_port(struct efx_nic *efx)
falcon_stop_nic_stats(efx);
falcon_deconfigure_mac_wrapper(efx);
- falcon_switch_mac(efx);
+ falcon_reset_macs(efx);
efx->phy_op->reconfigure(efx);
rc = efx->mac_op->reconfigure(efx);
@@ -841,73 +817,23 @@ out:
return rc;
}
-static void falcon_clock_mac(struct efx_nic *efx)
-{
- unsigned strap_val;
- efx_oword_t nic_stat;
-
- /* Configure the NIC generated MAC clock correctly */
- efx_reado(efx, &nic_stat, FR_AB_NIC_STAT);
- strap_val = EFX_IS10G(efx) ? 5 : 3;
- if (efx_nic_rev(efx) >= EFX_REV_FALCON_B0) {
- EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP_EN, 1);
- EFX_SET_OWORD_FIELD(nic_stat, FRF_BB_EE_STRAP, strap_val);
- efx_writeo(efx, &nic_stat, FR_AB_NIC_STAT);
- } else {
- /* Falcon A1 does not support 1G/10G speed switching
- * and must not be used with a PHY that does. */
- BUG_ON(EFX_OWORD_FIELD(nic_stat, FRF_AB_STRAP_PINS) !=
- strap_val);
- }
-}
-
-static void falcon_switch_mac(struct efx_nic *efx)
-{
- struct efx_mac_operations *old_mac_op = efx->mac_op;
- struct falcon_nic_data *nic_data = efx->nic_data;
- unsigned int stats_done_offset;
-
- WARN_ON(!mutex_is_locked(&efx->mac_lock));
- WARN_ON(nic_data->stats_disable_count == 0);
-
- efx->mac_op = (EFX_IS10G(efx) ?
- &falcon_xmac_operations : &falcon_gmac_operations);
-
- if (EFX_IS10G(efx))
- stats_done_offset = XgDmaDone_offset;
- else
- stats_done_offset = GDmaDone_offset;
- nic_data->stats_dma_done = efx->stats_buffer.addr + stats_done_offset;
-
- if (old_mac_op == efx->mac_op)
- return;
-
- falcon_clock_mac(efx);
-
- netif_dbg(efx, hw, efx->net_dev, "selected %cMAC\n",
- EFX_IS10G(efx) ? 'X' : 'G');
- /* Not all macs support a mac-level link state */
- efx->xmac_poll_required = false;
- falcon_reset_macs(efx);
-}
-
/* This call is responsible for hooking in the MAC and PHY operations */
static int falcon_probe_port(struct efx_nic *efx)
{
+ struct falcon_nic_data *nic_data = efx->nic_data;
int rc;
switch (efx->phy_type) {
case PHY_TYPE_SFX7101:
efx->phy_op = &falcon_sfx7101_phy_ops;
break;
- case PHY_TYPE_SFT9001A:
- case PHY_TYPE_SFT9001B:
- efx->phy_op = &falcon_sft9001_phy_ops;
- break;
case PHY_TYPE_QT2022C2:
case PHY_TYPE_QT2025C:
efx->phy_op = &falcon_qt202x_phy_ops;
break;
+ case PHY_TYPE_TXC43128:
+ efx->phy_op = &falcon_txc_phy_ops;
+ break;
default:
netif_err(efx, probe, efx->net_dev, "Unknown PHY type %d\n",
efx->phy_type);
@@ -943,6 +869,7 @@ static int falcon_probe_port(struct efx_nic *efx)
(u64)efx->stats_buffer.dma_addr,
efx->stats_buffer.addr,
(u64)virt_to_phys(efx->stats_buffer.addr));
+ nic_data->stats_dma_done = efx->stats_buffer.addr + XgDmaDone_offset;
return 0;
}
@@ -1207,7 +1134,7 @@ static void falcon_monitor(struct efx_nic *efx)
falcon_stop_nic_stats(efx);
falcon_deconfigure_mac_wrapper(efx);
- falcon_switch_mac(efx);
+ falcon_reset_macs(efx);
rc = efx->mac_op->reconfigure(efx);
BUG_ON(rc);
@@ -1216,8 +1143,7 @@ static void falcon_monitor(struct efx_nic *efx)
efx_link_status_changed(efx);
}
- if (EFX_IS10G(efx))
- falcon_poll_xmac(efx);
+ falcon_poll_xmac(efx);
}
/* Zeroes out the SRAM contents. This routine must be called in
@@ -1610,16 +1536,6 @@ static int falcon_init_nic(struct efx_nic *efx)
EFX_SET_OWORD_FIELD(temp, FRF_AB_ONCHIP_SRAM, 1);
efx_writeo(efx, &temp, FR_AB_NIC_STAT);
- /* Set the source of the GMAC clock */
- if (efx_nic_rev(efx) == EFX_REV_FALCON_B0) {
- efx_reado(efx, &temp, FR_AB_GPIO_CTL);
- EFX_SET_OWORD_FIELD(temp, FRF_AB_USE_NIC_CLK, true);
- efx_writeo(efx, &temp, FR_AB_GPIO_CTL);
- }
-
- /* Select the correct MAC */
- falcon_clock_mac(efx);
-
rc = falcon_reset_sram(efx);
if (rc)
return rc;
@@ -1880,7 +1796,7 @@ struct efx_nic_type falcon_b0_nic_type = {
* channels */
.tx_dc_base = 0x130000,
.rx_dc_base = 0x100000,
- .offload_features = NETIF_F_IP_CSUM | NETIF_F_RXHASH,
+ .offload_features = NETIF_F_IP_CSUM | NETIF_F_RXHASH | NETIF_F_NTUPLE,
.reset_world_flags = ETH_RESET_IRQ,
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.