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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.c32
1 files changed, 18 insertions, 14 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 5b9f2d9cc4ed..d5378e60fcdd 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -824,10 +824,6 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
rx_ev_pause_frm ? " [PAUSE]" : "");
}
#endif
-
- if (unlikely(rx_ev_eth_crc_err && EFX_WORKAROUND_10750(efx) &&
- efx->phy_type == PHY_TYPE_SFX7101))
- tenxpress_crc_err(efx);
}
/* Handle receive events that are not in-order. */
@@ -1887,7 +1883,7 @@ static int falcon_reset_macs(struct efx_nic *efx)
/* MAC stats will fail whilst the TX fifo is draining. Serialise
* the drain sequence with the statistics fetch */
- spin_lock(&efx->stats_lock);
+ efx_stats_disable(efx);
falcon_read(efx, &reg, MAC0_CTRL_REG_KER);
EFX_SET_OWORD_FIELD(reg, TXFIFO_DRAIN_EN_B0, 1);
@@ -1917,7 +1913,7 @@ static int falcon_reset_macs(struct efx_nic *efx)
udelay(10);
}
- spin_unlock(&efx->stats_lock);
+ efx_stats_enable(efx);
/* If we've reset the EM block and the link is up, then
* we'll have to kick the XAUI link so the PHY can recover */
@@ -2277,6 +2273,10 @@ int falcon_switch_mac(struct efx_nic *efx)
struct efx_mac_operations *old_mac_op = efx->mac_op;
efx_oword_t nic_stat;
unsigned strap_val;
+ int rc = 0;
+
+ /* Don't try to fetch MAC stats while we're switching MACs */
+ efx_stats_disable(efx);
/* Internal loopbacks override the phy speed setting */
if (efx->loopback_mode == LOOPBACK_GMAC) {
@@ -2287,16 +2287,12 @@ int falcon_switch_mac(struct efx_nic *efx)
efx->link_fd = true;
}
+ WARN_ON(!mutex_is_locked(&efx->mac_lock));
efx->mac_op = (EFX_IS10G(efx) ?
&falcon_xmac_operations : &falcon_gmac_operations);
- if (old_mac_op == efx->mac_op)
- return 0;
-
- WARN_ON(!mutex_is_locked(&efx->mac_lock));
-
- /* Not all macs support a mac-level link state */
- efx->mac_up = true;
+ /* Always push the NIC_STAT_REG setting even if the mac hasn't
+ * changed, because this function is run post online reset */
falcon_read(efx, &nic_stat, NIC_STAT_REG);
strap_val = EFX_IS10G(efx) ? 5 : 3;
if (falcon_rev(efx) >= FALCON_REV_B0) {
@@ -2309,9 +2305,17 @@ int falcon_switch_mac(struct efx_nic *efx)
BUG_ON(EFX_OWORD_FIELD(nic_stat, STRAP_PINS) != strap_val);
}
+ if (old_mac_op == efx->mac_op)
+ goto out;
EFX_LOG(efx, "selected %cMAC\n", EFX_IS10G(efx) ? 'X' : 'G');
- return falcon_reset_macs(efx);
+ /* Not all macs support a mac-level link state */
+ efx->mac_up = true;
+
+ rc = falcon_reset_macs(efx);
+out:
+ efx_stats_enable(efx);
+ return rc;
}
/* This call is responsible for hooking in the MAC and PHY operations */