sfc: Add support for sub-10G speeds
The SFC4000 has a separate MAC for use at sub-10G speeds. Introduce
an efx_mac_operations structure with implementations for the two MACs.
Switch between the MACs as necessary.
PHY settings are independent of the MAC, so add get_settings() and
set_settings() to efx_phy_operations. Also add macs field to indicate
which MACs the PHY is connected to.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/Makefile b/drivers/net/sfc/Makefile
index e507daa..b89f9be 100644
--- a/drivers/net/sfc/Makefile
+++ b/drivers/net/sfc/Makefile
@@ -1,5 +1,5 @@
-sfc-y += efx.o falcon.o tx.o rx.o falcon_xmac.o \
- selftest.o ethtool.o xfp_phy.o \
+sfc-y += efx.o falcon.o tx.o rx.o falcon_gmac.o \
+ falcon_xmac.o selftest.o ethtool.o xfp_phy.o \
mdio_10g.o tenxpress.o boards.o sfe4001.o
sfc-$(CONFIG_SFC_MTD) += mtd.o
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 90820d4..7214ea6 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -27,7 +27,6 @@
#include "efx.h"
#include "mdio_10g.h"
#include "falcon.h"
-#include "mac.h"
#define EFX_MAX_MTU (9 * 1024)
@@ -575,10 +574,28 @@
netif_addr_unlock_bh(efx->net_dev);
}
- falcon_reconfigure_xmac(efx);
+ falcon_deconfigure_mac_wrapper(efx);
+
+ /* Reconfigure the PHY, disabling transmit in mac level loopback. */
+ if (LOOPBACK_INTERNAL(efx))
+ efx->phy_mode |= PHY_MODE_TX_DISABLED;
+ else
+ efx->phy_mode &= ~PHY_MODE_TX_DISABLED;
+ efx->phy_op->reconfigure(efx);
+
+ if (falcon_switch_mac(efx))
+ goto fail;
+
+ efx->mac_op->reconfigure(efx);
/* Inform kernel of loss/gain of carrier */
efx_link_status_changed(efx);
+ return;
+
+fail:
+ EFX_ERR(efx, "failed to reconfigure MAC\n");
+ efx->phy_op->fini(efx);
+ efx->port_initialized = false;
}
/* Reinitialise the MAC to pick up new PHY settings, even if the port is
@@ -648,18 +665,25 @@
EFX_LOG(efx, "init port\n");
- /* Initialise the MAC and PHY */
- rc = falcon_init_xmac(efx);
+ rc = efx->phy_op->init(efx);
if (rc)
return rc;
+ efx->phy_op->reconfigure(efx);
+
+ mutex_lock(&efx->mac_lock);
+ rc = falcon_switch_mac(efx);
+ mutex_unlock(&efx->mac_lock);
+ if (rc)
+ goto fail;
+ efx->mac_op->reconfigure(efx);
efx->port_initialized = true;
efx->stats_enabled = true;
-
- /* Reconfigure port to program MAC registers */
- falcon_reconfigure_xmac(efx);
-
return 0;
+
+fail:
+ efx->phy_op->fini(efx);
+ return rc;
}
/* Allow efx_reconfigure_port() to be scheduled, and close the window
@@ -702,7 +726,7 @@
if (!efx->port_initialized)
return;
- falcon_fini_xmac(efx);
+ efx->phy_op->fini(efx);
efx->port_initialized = false;
efx->link_up = false;
@@ -1179,7 +1203,6 @@
{
struct efx_nic *efx = container_of(data, struct efx_nic,
monitor_work.work);
- int rc = 0;
EFX_TRACE(efx, "hardware monitor executing on CPU %d\n",
raw_smp_processor_id());
@@ -1195,7 +1218,7 @@
}
if (efx->port_enabled)
- rc = falcon_check_xmac(efx);
+ efx->mac_op->check_hw(efx);
mutex_unlock(&efx->mac_lock);
queue_delayed_work(efx->workqueue, &efx->monitor_work,
@@ -1331,7 +1354,7 @@
if (!spin_trylock(&efx->stats_lock))
return stats;
if (efx->stats_enabled) {
- falcon_update_stats_xmac(efx);
+ efx->mac_op->update_stats(efx);
falcon_update_nic_stats(efx);
}
spin_unlock(&efx->stats_lock);
@@ -1519,7 +1542,7 @@
netif_carrier_off(efx->net_dev);
/* Clear MAC statistics */
- falcon_update_stats_xmac(efx);
+ efx->mac_op->update_stats(efx);
memset(&efx->mac_stats, 0, sizeof(efx->mac_stats));
rc = register_netdev(net_dev);
@@ -1575,8 +1598,6 @@
* before reset. */
void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd)
{
- int rc;
-
EFX_ASSERT_RESET_SERIALISED(efx);
/* The net_dev->get_stats handler is quite slow, and will fail
@@ -1589,9 +1610,7 @@
mutex_lock(&efx->mac_lock);
mutex_lock(&efx->spi_lock);
- rc = falcon_xmac_get_settings(efx, ecmd);
- if (rc)
- EFX_ERR(efx, "could not back up PHY settings\n");
+ efx->phy_op->get_settings(efx, ecmd);
efx_fini_channels(efx);
}
@@ -1616,7 +1635,7 @@
if (ok) {
efx_init_channels(efx);
- if (falcon_xmac_set_settings(efx, ecmd))
+ if (efx->phy_op->set_settings(efx, ecmd))
EFX_ERR(efx, "could not restore PHY settings\n");
}
@@ -1779,6 +1798,10 @@
void efx_port_dummy_op_void(struct efx_nic *efx) {}
void efx_port_dummy_op_blink(struct efx_nic *efx, bool blink) {}
+static struct efx_mac_operations efx_dummy_mac_operations = {
+ .reconfigure = efx_port_dummy_op_void,
+};
+
static struct efx_phy_operations efx_dummy_phy_operations = {
.init = efx_port_dummy_op_int,
.reconfigure = efx_port_dummy_op_void,
@@ -1831,6 +1854,7 @@
spin_lock_init(&efx->netif_stop_lock);
spin_lock_init(&efx->stats_lock);
mutex_init(&efx->mac_lock);
+ efx->mac_op = &efx_dummy_mac_operations;
efx->phy_op = &efx_dummy_phy_operations;
efx->mii.dev = net_dev;
INIT_WORK(&efx->reconfigure_work, efx_reconfigure_work);
diff --git a/drivers/net/sfc/enum.h b/drivers/net/sfc/enum.h
index 41e758e..0c2e41c 100644
--- a/drivers/net/sfc/enum.h
+++ b/drivers/net/sfc/enum.h
@@ -1,6 +1,6 @@
/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2007 Solarflare Communications Inc.
+ * Copyright 2007-2008 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@@ -13,22 +13,24 @@
/**
* enum efx_loopback_mode - loopback modes
* @LOOPBACK_NONE: no loopback
- * @LOOPBACK_XGMII: loopback within MAC at XGMII level
- * @LOOPBACK_XGXS: loopback within MAC at XGXS level
- * @LOOPBACK_XAUI: loopback within MAC at XAUI level
- * @LOOPBACK_PHYXS: loopback within PHY at PHYXS level
- * @LOOPBACK_PCS: loopback within PHY at PCS level
- * @LOOPBACK_PMAPMD: loopback within PHY at PMAPMD level
+ * @LOOPBACK_GMAC: loopback within GMAC at unspecified level
+ * @LOOPBACK_XGMII: loopback within XMAC at XGMII level
+ * @LOOPBACK_XGXS: loopback within XMAC at XGXS level
+ * @LOOPBACK_XAUI: loopback within XMAC at XAUI level
+ * @LOOPBACK_GPHY: loopback within 1G PHY at unspecified level
+ * @LOOPBACK_PHYXS: loopback within 10G PHY at PHYXS level
+ * @LOOPBACK_PCS: loopback within 10G PHY at PCS level
+ * @LOOPBACK_PMAPMD: loopback within 10G PHY at PMAPMD level
* @LOOPBACK_NETWORK: reflecting loopback (even further than furthest!)
*/
/* Please keep in order and up-to-date w.r.t the following two #defines */
enum efx_loopback_mode {
LOOPBACK_NONE = 0,
- LOOPBACK_MAC = 1,
+ LOOPBACK_GMAC = 1,
LOOPBACK_XGMII = 2,
LOOPBACK_XGXS = 3,
LOOPBACK_XAUI = 4,
- LOOPBACK_PHY = 5,
+ LOOPBACK_GPHY = 5,
LOOPBACK_PHYXS = 6,
LOOPBACK_PCS = 7,
LOOPBACK_PMAPMD = 8,
@@ -45,15 +47,16 @@
LOOPBACK_MODE_NAME(efx->loopback_mode)
/* These loopbacks occur within the controller */
-#define LOOPBACKS_10G_INTERNAL ((1 << LOOPBACK_XGMII)| \
- (1 << LOOPBACK_XGXS) | \
- (1 << LOOPBACK_XAUI))
+#define LOOPBACKS_INTERNAL ((1 << LOOPBACK_GMAC) | \
+ (1 << LOOPBACK_XGMII)| \
+ (1 << LOOPBACK_XGXS) | \
+ (1 << LOOPBACK_XAUI))
#define LOOPBACK_MASK(_efx) \
(1 << (_efx)->loopback_mode)
#define LOOPBACK_INTERNAL(_efx) \
- (!!(LOOPBACKS_10G_INTERNAL & LOOPBACK_MASK(_efx)))
+ (!!(LOOPBACKS_INTERNAL & LOOPBACK_MASK(_efx)))
#define LOOPBACK_OUT_OF(_from, _to, _mask) \
((LOOPBACK_MASK(_from) & (_mask)) && !(LOOPBACK_MASK(_to) & (_mask)))
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 43d6d8b..1b33f89 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -17,15 +17,14 @@
#include "ethtool.h"
#include "falcon.h"
#include "spi.h"
-#include "mac.h"
const char *efx_loopback_mode_names[] = {
[LOOPBACK_NONE] = "NONE",
- [LOOPBACK_MAC] = "MAC",
+ [LOOPBACK_GMAC] = "GMAC",
[LOOPBACK_XGMII] = "XGMII",
[LOOPBACK_XGXS] = "XGXS",
[LOOPBACK_XAUI] = "XAUI",
- [LOOPBACK_PHY] = "PHY",
+ [LOOPBACK_GPHY] = "GPHY",
[LOOPBACK_PHYXS] = "PHYXS",
[LOOPBACK_PCS] = "PCS",
[LOOPBACK_PMAPMD] = "PMA/PMD",
@@ -200,13 +199,15 @@
struct ethtool_cmd *ecmd)
{
struct efx_nic *efx = netdev_priv(net_dev);
- int rc;
mutex_lock(&efx->mac_lock);
- rc = falcon_xmac_get_settings(efx, ecmd);
+ efx->phy_op->get_settings(efx, ecmd);
mutex_unlock(&efx->mac_lock);
- return rc;
+ /* Falcon GMAC does not support 1000Mbps HD */
+ ecmd->supported &= ~SUPPORTED_1000baseT_Half;
+
+ return 0;
}
/* This must be called with rtnl_lock held. */
@@ -216,8 +217,15 @@
struct efx_nic *efx = netdev_priv(net_dev);
int rc;
+ /* Falcon GMAC does not support 1000Mbps HD */
+ if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) {
+ EFX_LOG(efx, "rejecting unsupported 1000Mbps HD"
+ " setting\n");
+ return -EINVAL;
+ }
+
mutex_lock(&efx->mac_lock);
- rc = falcon_xmac_set_settings(efx, ecmd);
+ rc = efx->phy_op->set_settings(efx, ecmd);
mutex_unlock(&efx->mac_lock);
if (!rc)
efx_reconfigure_port(efx);
@@ -362,10 +370,6 @@
EFX_PORT_NAME, "phy", NULL);
/* Loopback tests */
- efx_fill_test(n++, strings, data, &tests->loopback_speed,
- EFX_PORT_NAME, "loopback.speed", NULL);
- efx_fill_test(n++, strings, data, &tests->loopback_full_duplex,
- EFX_PORT_NAME, "loopback.full_duplex", NULL);
for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
if (!(efx->loopback_modes & (1 << mode)))
continue;
@@ -671,22 +675,14 @@
{
struct efx_nic *efx = netdev_priv(net_dev);
enum efx_fc_type flow_control = efx->flow_control;
- int rc;
flow_control &= ~(EFX_FC_RX | EFX_FC_TX | EFX_FC_AUTO);
flow_control |= pause->rx_pause ? EFX_FC_RX : 0;
flow_control |= pause->tx_pause ? EFX_FC_TX : 0;
flow_control |= pause->autoneg ? EFX_FC_AUTO : 0;
- /* Try to push the pause parameters */
- mutex_lock(&efx->mac_lock);
- rc = falcon_xmac_set_pause(efx, flow_control);
- mutex_unlock(&efx->mac_lock);
-
- if (!rc)
- efx_reconfigure_port(efx);
-
- return rc;
+ efx_reconfigure_port(efx);
+ return 0;
}
static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 448bba9..f09eded 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1168,6 +1168,19 @@
falcon_generate_event(channel, &test_event);
}
+void falcon_sim_phy_event(struct efx_nic *efx)
+{
+ efx_qword_t phy_event;
+
+ EFX_POPULATE_QWORD_1(phy_event, EV_CODE, GLOBAL_EV_DECODE);
+ if (EFX_IS10G(efx))
+ EFX_SET_OWORD_FIELD(phy_event, XG_PHY_INTR, 1);
+ else
+ EFX_SET_OWORD_FIELD(phy_event, G_PHY0_INTR, 1);
+
+ falcon_generate_event(&efx->channel[0], &phy_event);
+}
+
/**************************************************************************
*
* Flush handling
@@ -1839,40 +1852,61 @@
*
**************************************************************************
*/
-void falcon_drain_tx_fifo(struct efx_nic *efx)
+
+static int falcon_reset_macs(struct efx_nic *efx)
{
- efx_oword_t temp;
+ efx_oword_t reg;
int count;
- if ((falcon_rev(efx) < FALCON_REV_B0) ||
- (efx->loopback_mode != LOOPBACK_NONE))
- return;
+ if (falcon_rev(efx) < FALCON_REV_B0) {
+ /* 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, GM_SW_RST, 1);
+ falcon_write(efx, ®, GM_CFG1_REG);
+ udelay(1000);
- falcon_read(efx, &temp, MAC0_CTRL_REG_KER);
- /* There is no point in draining more than once */
- if (EFX_OWORD_FIELD(temp, TXFIFO_DRAIN_EN_B0))
- return;
+ EFX_POPULATE_OWORD_1(reg, GM_SW_RST, 0);
+ falcon_write(efx, ®, GM_CFG1_REG);
+ udelay(1000);
+ return 0;
+ } else {
+ EFX_POPULATE_OWORD_1(reg, XM_CORE_RST, 1);
+ falcon_write(efx, ®, XM_GLB_CFG_REG);
+
+ for (count = 0; count < 10000; count++) {
+ falcon_read(efx, ®, XM_GLB_CFG_REG);
+ if (EFX_OWORD_FIELD(reg, XM_CORE_RST) == 0)
+ return 0;
+ udelay(10);
+ }
+
+ EFX_ERR(efx, "timed out waiting for XMAC core reset\n");
+ return -ETIMEDOUT;
+ }
+ }
/* MAC stats will fail whilst the TX fifo is draining. Serialise
* the drain sequence with the statistics fetch */
spin_lock(&efx->stats_lock);
- EFX_SET_OWORD_FIELD(temp, TXFIFO_DRAIN_EN_B0, 1);
- falcon_write(efx, &temp, MAC0_CTRL_REG_KER);
+ falcon_read(efx, ®, MAC0_CTRL_REG_KER);
+ EFX_SET_OWORD_FIELD(reg, TXFIFO_DRAIN_EN_B0, 1);
+ falcon_write(efx, ®, MAC0_CTRL_REG_KER);
- /* Reset the MAC and EM block. */
- falcon_read(efx, &temp, GLB_CTL_REG_KER);
- EFX_SET_OWORD_FIELD(temp, RST_XGTX, 1);
- EFX_SET_OWORD_FIELD(temp, RST_XGRX, 1);
- EFX_SET_OWORD_FIELD(temp, RST_EM, 1);
- falcon_write(efx, &temp, GLB_CTL_REG_KER);
+ falcon_read(efx, ®, GLB_CTL_REG_KER);
+ EFX_SET_OWORD_FIELD(reg, RST_XGTX, 1);
+ EFX_SET_OWORD_FIELD(reg, RST_XGRX, 1);
+ EFX_SET_OWORD_FIELD(reg, RST_EM, 1);
+ falcon_write(efx, ®, GLB_CTL_REG_KER);
count = 0;
while (1) {
- falcon_read(efx, &temp, GLB_CTL_REG_KER);
- if (!EFX_OWORD_FIELD(temp, RST_XGTX) &&
- !EFX_OWORD_FIELD(temp, RST_XGRX) &&
- !EFX_OWORD_FIELD(temp, RST_EM)) {
+ falcon_read(efx, ®, GLB_CTL_REG_KER);
+ if (!EFX_OWORD_FIELD(reg, RST_XGTX) &&
+ !EFX_OWORD_FIELD(reg, RST_XGRX) &&
+ !EFX_OWORD_FIELD(reg, RST_EM)) {
EFX_LOG(efx, "Completed MAC reset after %d loops\n",
count);
break;
@@ -1889,21 +1923,39 @@
/* 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 */
- if (efx->link_up && EFX_WORKAROUND_5147(efx))
+ if (efx->link_up && EFX_IS10G(efx) && EFX_WORKAROUND_5147(efx))
falcon_reset_xaui(efx);
+
+ return 0;
+}
+
+void falcon_drain_tx_fifo(struct efx_nic *efx)
+{
+ efx_oword_t reg;
+
+ if ((falcon_rev(efx) < FALCON_REV_B0) ||
+ (efx->loopback_mode != LOOPBACK_NONE))
+ return;
+
+ falcon_read(efx, ®, MAC0_CTRL_REG_KER);
+ /* There is no point in draining more than once */
+ if (EFX_OWORD_FIELD(reg, TXFIFO_DRAIN_EN_B0))
+ return;
+
+ falcon_reset_macs(efx);
}
void falcon_deconfigure_mac_wrapper(struct efx_nic *efx)
{
- efx_oword_t temp;
+ efx_oword_t reg;
if (falcon_rev(efx) < FALCON_REV_B0)
return;
/* Isolate the MAC -> RX */
- falcon_read(efx, &temp, RX_CFG_REG_KER);
- EFX_SET_OWORD_FIELD(temp, RX_INGR_EN_B0, 0);
- falcon_write(efx, &temp, RX_CFG_REG_KER);
+ falcon_read(efx, ®, RX_CFG_REG_KER);
+ EFX_SET_OWORD_FIELD(reg, RX_INGR_EN_B0, 0);
+ falcon_write(efx, ®, RX_CFG_REG_KER);
if (!efx->link_up)
falcon_drain_tx_fifo(efx);
@@ -2030,7 +2082,8 @@
efx_dword_t md_stat;
int count;
- for (count = 0; count < 1000; count++) { /* wait upto 10ms */
+ /* wait upto 50ms - taken max from datasheet */
+ for (count = 0; count < 5000; count++) {
falcon_readl(efx, &md_stat, MD_STAT_REG_KER);
if (EFX_DWORD_FIELD(md_stat, MD_BSY) == 0) {
if (EFX_DWORD_FIELD(md_stat, MD_LNFL) != 0 ||
@@ -2206,10 +2259,59 @@
return -1;
}
- efx->loopback_modes = LOOPBACKS_10G_INTERNAL | efx->phy_op->loopbacks;
+ if (efx->phy_op->macs & EFX_XMAC)
+ efx->loopback_modes |= ((1 << LOOPBACK_XGMII) |
+ (1 << LOOPBACK_XGXS) |
+ (1 << LOOPBACK_XAUI));
+ if (efx->phy_op->macs & EFX_GMAC)
+ efx->loopback_modes |= (1 << LOOPBACK_GMAC);
+ efx->loopback_modes |= efx->phy_op->loopbacks;
+
return 0;
}
+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;
+
+ /* Internal loopbacks override the phy speed setting */
+ if (efx->loopback_mode == LOOPBACK_GMAC) {
+ efx->link_speed = 1000;
+ efx->link_fd = true;
+ } else if (LOOPBACK_INTERNAL(efx)) {
+ efx->link_speed = 10000;
+ efx->link_fd = true;
+ }
+
+ 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;
+
+ falcon_read(efx, &nic_stat, NIC_STAT_REG);
+ strap_val = EFX_IS10G(efx) ? 5 : 3;
+ if (falcon_rev(efx) >= FALCON_REV_B0) {
+ EFX_SET_OWORD_FIELD(nic_stat, EE_STRAP_EN, 1);
+ EFX_SET_OWORD_FIELD(nic_stat, EE_STRAP_OVR, strap_val);
+ falcon_write(efx, &nic_stat, NIC_STAT_REG);
+ } 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, STRAP_PINS) != strap_val);
+ }
+
+
+ EFX_LOG(efx, "selected %cMAC\n", EFX_IS10G(efx) ? 'X' : 'G');
+ return falcon_reset_macs(efx);
+}
+
/* This call is responsible for hooking in the MAC and PHY operations */
int falcon_probe_port(struct efx_nic *efx)
{
@@ -2362,6 +2464,10 @@
EFX_OWORD32(0x000003FF, 0x00000000, 0x00000000, 0x00000000) },
{ DP_CTRL_REG,
EFX_OWORD32(0x00000FFF, 0x00000000, 0x00000000, 0x00000000) },
+ { GM_CFG2_REG,
+ EFX_OWORD32(0x00007337, 0x00000000, 0x00000000, 0x00000000) },
+ { GMF_CFG0_REG,
+ EFX_OWORD32(0x00001F1F, 0x00000000, 0x00000000, 0x00000000) },
{ XM_GLB_CFG_REG,
EFX_OWORD32(0x00000C68, 0x00000000, 0x00000000, 0x00000000) },
{ XM_TX_CFG_REG,
@@ -2687,6 +2793,7 @@
static int falcon_probe_nic_variant(struct efx_nic *efx)
{
efx_oword_t altera_build;
+ efx_oword_t nic_stat;
falcon_read(efx, &altera_build, ALTERA_BUILD_REG_KER);
if (EFX_OWORD_FIELD(altera_build, VER_ALL)) {
@@ -2694,27 +2801,20 @@
return -ENODEV;
}
+ falcon_read(efx, &nic_stat, NIC_STAT_REG);
+
switch (falcon_rev(efx)) {
case FALCON_REV_A0:
case 0xff:
EFX_ERR(efx, "Falcon rev A0 not supported\n");
return -ENODEV;
- case FALCON_REV_A1:{
- efx_oword_t nic_stat;
-
- falcon_read(efx, &nic_stat, NIC_STAT_REG);
-
+ case FALCON_REV_A1:
if (EFX_OWORD_FIELD(nic_stat, STRAP_PCIE) == 0) {
EFX_ERR(efx, "Falcon rev A1 PCI-X not supported\n");
return -ENODEV;
}
- if (!EFX_OWORD_FIELD(nic_stat, STRAP_10G)) {
- EFX_ERR(efx, "1G mode not supported\n");
- return -ENODEV;
- }
break;
- }
case FALCON_REV_B0:
break;
@@ -2724,6 +2824,9 @@
return -ENODEV;
}
+ /* Initial assumed speed */
+ efx->link_speed = EFX_OWORD_FIELD(nic_stat, STRAP_10G) ? 10000 : 1000;
+
return 0;
}
diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h
index be025ba..7869c3d 100644
--- a/drivers/net/sfc/falcon.h
+++ b/drivers/net/sfc/falcon.h
@@ -12,6 +12,7 @@
#define EFX_FALCON_H
#include "net_driver.h"
+#include "efx.h"
/*
* Falcon hardware control
@@ -65,6 +66,7 @@
extern void falcon_remove_port(struct efx_nic *efx);
/* MAC/PHY */
+extern int falcon_switch_mac(struct efx_nic *efx);
extern bool falcon_xaui_link_ok(struct efx_nic *efx);
extern int falcon_dma_stats(struct efx_nic *efx,
unsigned int done_offset);
@@ -77,6 +79,7 @@
extern void falcon_enable_interrupts(struct efx_nic *efx);
extern void falcon_generate_test_event(struct efx_channel *channel,
unsigned int magic);
+extern void falcon_sim_phy_event(struct efx_nic *efx);
extern void falcon_generate_interrupt(struct efx_nic *efx);
extern void falcon_set_int_moderation(struct efx_channel *channel);
extern void falcon_disable_interrupts(struct efx_nic *efx);
diff --git a/drivers/net/sfc/falcon_gmac.c b/drivers/net/sfc/falcon_gmac.c
new file mode 100644
index 0000000..247f802
--- /dev/null
+++ b/drivers/net/sfc/falcon_gmac.c
@@ -0,0 +1,233 @@
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2005-2006 Fen Systems Ltd.
+ * Copyright 2006-2008 Solarflare Communications Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#include <linux/delay.h>
+#include "net_driver.h"
+#include "efx.h"
+#include "falcon.h"
+#include "mac.h"
+#include "falcon_hwdefs.h"
+#include "falcon_io.h"
+#include "gmii.h"
+
+/**************************************************************************
+ *
+ * MAC operations
+ *
+ *************************************************************************/
+
+static void falcon_reconfigure_gmac(struct efx_nic *efx)
+{
+ bool loopback, tx_fc, rx_fc, bytemode;
+ int if_mode;
+ unsigned int max_frame_len;
+ efx_oword_t reg;
+
+ /* Configuration register 1 */
+ tx_fc = (efx->flow_control & EFX_FC_TX) || !efx->link_fd;
+ rx_fc = !!(efx->flow_control & EFX_FC_RX);
+ loopback = (efx->loopback_mode == LOOPBACK_GMAC);
+ bytemode = (efx->link_speed == 1000);
+
+ EFX_POPULATE_OWORD_5(reg,
+ GM_LOOP, loopback,
+ GM_TX_EN, 1,
+ GM_TX_FC_EN, tx_fc,
+ GM_RX_EN, 1,
+ GM_RX_FC_EN, rx_fc);
+ falcon_write(efx, ®, GM_CFG1_REG);
+ udelay(10);
+
+ /* Configuration register 2 */
+ if_mode = (bytemode) ? 2 : 1;
+ EFX_POPULATE_OWORD_5(reg,
+ GM_IF_MODE, if_mode,
+ GM_PAD_CRC_EN, 1,
+ GM_LEN_CHK, 1,
+ GM_FD, efx->link_fd,
+ GM_PAMBL_LEN, 0x7/*datasheet recommended */);
+
+ falcon_write(efx, ®, GM_CFG2_REG);
+ udelay(10);
+
+ /* Max frame len register */
+ max_frame_len = EFX_MAX_FRAME_LEN(efx->net_dev->mtu);
+ EFX_POPULATE_OWORD_1(reg, GM_MAX_FLEN, max_frame_len);
+ falcon_write(efx, ®, GM_MAX_FLEN_REG);
+ udelay(10);
+
+ /* FIFO configuration register 0 */
+ EFX_POPULATE_OWORD_5(reg,
+ GMF_FTFENREQ, 1,
+ GMF_STFENREQ, 1,
+ GMF_FRFENREQ, 1,
+ GMF_SRFENREQ, 1,
+ GMF_WTMENREQ, 1);
+ falcon_write(efx, ®, GMF_CFG0_REG);
+ udelay(10);
+
+ /* FIFO configuration register 1 */
+ EFX_POPULATE_OWORD_2(reg,
+ GMF_CFGFRTH, 0x12,
+ GMF_CFGXOFFRTX, 0xffff);
+ falcon_write(efx, ®, GMF_CFG1_REG);
+ udelay(10);
+
+ /* FIFO configuration register 2 */
+ EFX_POPULATE_OWORD_2(reg,
+ GMF_CFGHWM, 0x3f,
+ GMF_CFGLWM, 0xa);
+ falcon_write(efx, ®, GMF_CFG2_REG);
+ udelay(10);
+
+ /* FIFO configuration register 3 */
+ EFX_POPULATE_OWORD_2(reg,
+ GMF_CFGHWMFT, 0x1c,
+ GMF_CFGFTTH, 0x08);
+ falcon_write(efx, ®, GMF_CFG3_REG);
+ udelay(10);
+
+ /* FIFO configuration register 4 */
+ EFX_POPULATE_OWORD_1(reg, GMF_HSTFLTRFRM_PAUSE, 1);
+ falcon_write(efx, ®, GMF_CFG4_REG);
+ udelay(10);
+
+ /* FIFO configuration register 5 */
+ falcon_read(efx, ®, GMF_CFG5_REG);
+ EFX_SET_OWORD_FIELD(reg, GMF_CFGBYTMODE, bytemode);
+ EFX_SET_OWORD_FIELD(reg, GMF_CFGHDPLX, !efx->link_fd);
+ EFX_SET_OWORD_FIELD(reg, GMF_HSTDRPLT64, !efx->link_fd);
+ EFX_SET_OWORD_FIELD(reg, GMF_HSTFLTRFRMDC_PAUSE, 0);
+ falcon_write(efx, ®, GMF_CFG5_REG);
+ udelay(10);
+
+ /* MAC address */
+ EFX_POPULATE_OWORD_4(reg,
+ GM_HWADDR_5, efx->net_dev->dev_addr[5],
+ GM_HWADDR_4, efx->net_dev->dev_addr[4],
+ GM_HWADDR_3, efx->net_dev->dev_addr[3],
+ GM_HWADDR_2, efx->net_dev->dev_addr[2]);
+ falcon_write(efx, ®, GM_ADR1_REG);
+ udelay(10);
+ EFX_POPULATE_OWORD_2(reg,
+ GM_HWADDR_1, efx->net_dev->dev_addr[1],
+ GM_HWADDR_0, efx->net_dev->dev_addr[0]);
+ falcon_write(efx, ®, GM_ADR2_REG);
+ udelay(10);
+
+ falcon_reconfigure_mac_wrapper(efx);
+}
+
+static void falcon_update_stats_gmac(struct efx_nic *efx)
+{
+ struct efx_mac_stats *mac_stats = &efx->mac_stats;
+ unsigned long old_rx_pause, old_tx_pause;
+ unsigned long new_rx_pause, new_tx_pause;
+ int rc;
+
+ rc = falcon_dma_stats(efx, GDmaDone_offset);
+ if (rc)
+ return;
+
+ /* Pause frames are erroneously counted as errors (SFC bug 3269) */
+ old_rx_pause = mac_stats->rx_pause;
+ old_tx_pause = mac_stats->tx_pause;
+
+ /* Update MAC stats from DMAed values */
+ FALCON_STAT(efx, GRxGoodOct, rx_good_bytes);
+ FALCON_STAT(efx, GRxBadOct, rx_bad_bytes);
+ FALCON_STAT(efx, GRxMissPkt, rx_missed);
+ FALCON_STAT(efx, GRxFalseCRS, rx_false_carrier);
+ FALCON_STAT(efx, GRxPausePkt, rx_pause);
+ FALCON_STAT(efx, GRxBadPkt, rx_bad);
+ FALCON_STAT(efx, GRxUcastPkt, rx_unicast);
+ FALCON_STAT(efx, GRxMcastPkt, rx_multicast);
+ FALCON_STAT(efx, GRxBcastPkt, rx_broadcast);
+ FALCON_STAT(efx, GRxGoodLt64Pkt, rx_good_lt64);
+ FALCON_STAT(efx, GRxBadLt64Pkt, rx_bad_lt64);
+ FALCON_STAT(efx, GRx64Pkt, rx_64);
+ FALCON_STAT(efx, GRx65to127Pkt, rx_65_to_127);
+ FALCON_STAT(efx, GRx128to255Pkt, rx_128_to_255);
+ FALCON_STAT(efx, GRx256to511Pkt, rx_256_to_511);
+ FALCON_STAT(efx, GRx512to1023Pkt, rx_512_to_1023);
+ FALCON_STAT(efx, GRx1024to15xxPkt, rx_1024_to_15xx);
+ FALCON_STAT(efx, GRx15xxtoJumboPkt, rx_15xx_to_jumbo);
+ FALCON_STAT(efx, GRxGtJumboPkt, rx_gtjumbo);
+ FALCON_STAT(efx, GRxFcsErr64to15xxPkt, rx_bad_64_to_15xx);
+ FALCON_STAT(efx, GRxFcsErr15xxtoJumboPkt, rx_bad_15xx_to_jumbo);
+ FALCON_STAT(efx, GRxFcsErrGtJumboPkt, rx_bad_gtjumbo);
+ FALCON_STAT(efx, GTxGoodBadOct, tx_bytes);
+ FALCON_STAT(efx, GTxGoodOct, tx_good_bytes);
+ FALCON_STAT(efx, GTxSglColPkt, tx_single_collision);
+ FALCON_STAT(efx, GTxMultColPkt, tx_multiple_collision);
+ FALCON_STAT(efx, GTxExColPkt, tx_excessive_collision);
+ FALCON_STAT(efx, GTxDefPkt, tx_deferred);
+ FALCON_STAT(efx, GTxLateCol, tx_late_collision);
+ FALCON_STAT(efx, GTxExDefPkt, tx_excessive_deferred);
+ FALCON_STAT(efx, GTxPausePkt, tx_pause);
+ FALCON_STAT(efx, GTxBadPkt, tx_bad);
+ FALCON_STAT(efx, GTxUcastPkt, tx_unicast);
+ FALCON_STAT(efx, GTxMcastPkt, tx_multicast);
+ FALCON_STAT(efx, GTxBcastPkt, tx_broadcast);
+ FALCON_STAT(efx, GTxLt64Pkt, tx_lt64);
+ FALCON_STAT(efx, GTx64Pkt, tx_64);
+ FALCON_STAT(efx, GTx65to127Pkt, tx_65_to_127);
+ FALCON_STAT(efx, GTx128to255Pkt, tx_128_to_255);
+ FALCON_STAT(efx, GTx256to511Pkt, tx_256_to_511);
+ FALCON_STAT(efx, GTx512to1023Pkt, tx_512_to_1023);
+ FALCON_STAT(efx, GTx1024to15xxPkt, tx_1024_to_15xx);
+ FALCON_STAT(efx, GTx15xxtoJumboPkt, tx_15xx_to_jumbo);
+ FALCON_STAT(efx, GTxGtJumboPkt, tx_gtjumbo);
+ FALCON_STAT(efx, GTxNonTcpUdpPkt, tx_non_tcpudp);
+ FALCON_STAT(efx, GTxMacSrcErrPkt, tx_mac_src_error);
+ FALCON_STAT(efx, GTxIpSrcErrPkt, tx_ip_src_error);
+
+ /* Pause frames are erroneously counted as errors (SFC bug 3269) */
+ new_rx_pause = mac_stats->rx_pause;
+ new_tx_pause = mac_stats->tx_pause;
+ mac_stats->rx_bad -= (new_rx_pause - old_rx_pause);
+ mac_stats->tx_bad -= (new_tx_pause - old_tx_pause);
+
+ /* Derive stats that the MAC doesn't provide directly */
+ mac_stats->tx_bad_bytes =
+ mac_stats->tx_bytes - mac_stats->tx_good_bytes;
+ mac_stats->tx_packets =
+ mac_stats->tx_lt64 + mac_stats->tx_64 +
+ mac_stats->tx_65_to_127 + mac_stats->tx_128_to_255 +
+ mac_stats->tx_256_to_511 + mac_stats->tx_512_to_1023 +
+ mac_stats->tx_1024_to_15xx + mac_stats->tx_15xx_to_jumbo +
+ mac_stats->tx_gtjumbo;
+ mac_stats->tx_collision =
+ mac_stats->tx_single_collision +
+ mac_stats->tx_multiple_collision +
+ mac_stats->tx_excessive_collision +
+ mac_stats->tx_late_collision;
+ mac_stats->rx_bytes =
+ mac_stats->rx_good_bytes + mac_stats->rx_bad_bytes;
+ mac_stats->rx_packets =
+ mac_stats->rx_good_lt64 + mac_stats->rx_bad_lt64 +
+ mac_stats->rx_64 + mac_stats->rx_65_to_127 +
+ mac_stats->rx_128_to_255 + mac_stats->rx_256_to_511 +
+ mac_stats->rx_512_to_1023 + mac_stats->rx_1024_to_15xx +
+ mac_stats->rx_15xx_to_jumbo + mac_stats->rx_gtjumbo;
+ mac_stats->rx_good = mac_stats->rx_packets - mac_stats->rx_bad;
+ mac_stats->rx_lt64 = mac_stats->rx_good_lt64 + mac_stats->rx_bad_lt64;
+}
+
+static int falcon_check_gmac(struct efx_nic *efx)
+{
+ return efx->phy_op->check_hw(efx);
+}
+
+struct efx_mac_operations falcon_gmac_operations = {
+ .reconfigure = falcon_reconfigure_gmac,
+ .update_stats = falcon_update_stats_gmac,
+ .check_hw = falcon_check_gmac,
+};
diff --git a/drivers/net/sfc/falcon_hwdefs.h b/drivers/net/sfc/falcon_hwdefs.h
index 040e70e..5553df8 100644
--- a/drivers/net/sfc/falcon_hwdefs.h
+++ b/drivers/net/sfc/falcon_hwdefs.h
@@ -111,12 +111,18 @@
/* NIC status register */
#define NIC_STAT_REG 0x0200
+#define EE_STRAP_EN_LBN 31
+#define EE_STRAP_EN_WIDTH 1
+#define EE_STRAP_OVR_LBN 24
+#define EE_STRAP_OVR_WIDTH 4
#define ONCHIP_SRAM_LBN 16
#define ONCHIP_SRAM_WIDTH 1
#define SF_PRST_LBN 9
#define SF_PRST_WIDTH 1
#define EE_PRST_LBN 8
#define EE_PRST_WIDTH 1
+#define STRAP_PINS_LBN 0
+#define STRAP_PINS_WIDTH 3
/* These bit definitions are extrapolated from the list of numerical
* values for STRAP_PINS.
*/
@@ -492,6 +498,107 @@
#define MAC_MCAST_HASH_REG0_KER 0xca0
#define MAC_MCAST_HASH_REG1_KER 0xcb0
+/* GMAC configuration register 1 */
+#define GM_CFG1_REG 0xe00
+#define GM_SW_RST_LBN 31
+#define GM_SW_RST_WIDTH 1
+#define GM_LOOP_LBN 8
+#define GM_LOOP_WIDTH 1
+#define GM_RX_FC_EN_LBN 5
+#define GM_RX_FC_EN_WIDTH 1
+#define GM_TX_FC_EN_LBN 4
+#define GM_TX_FC_EN_WIDTH 1
+#define GM_RX_EN_LBN 2
+#define GM_RX_EN_WIDTH 1
+#define GM_TX_EN_LBN 0
+#define GM_TX_EN_WIDTH 1
+
+/* GMAC configuration register 2 */
+#define GM_CFG2_REG 0xe10
+#define GM_PAMBL_LEN_LBN 12
+#define GM_PAMBL_LEN_WIDTH 4
+#define GM_IF_MODE_LBN 8
+#define GM_IF_MODE_WIDTH 2
+#define GM_LEN_CHK_LBN 4
+#define GM_LEN_CHK_WIDTH 1
+#define GM_PAD_CRC_EN_LBN 2
+#define GM_PAD_CRC_EN_WIDTH 1
+#define GM_FD_LBN 0
+#define GM_FD_WIDTH 1
+
+/* GMAC maximum frame length register */
+#define GM_MAX_FLEN_REG 0xe40
+#define GM_MAX_FLEN_LBN 0
+#define GM_MAX_FLEN_WIDTH 16
+
+/* GMAC station address register 1 */
+#define GM_ADR1_REG 0xf00
+#define GM_HWADDR_5_LBN 24
+#define GM_HWADDR_5_WIDTH 8
+#define GM_HWADDR_4_LBN 16
+#define GM_HWADDR_4_WIDTH 8
+#define GM_HWADDR_3_LBN 8
+#define GM_HWADDR_3_WIDTH 8
+#define GM_HWADDR_2_LBN 0
+#define GM_HWADDR_2_WIDTH 8
+
+/* GMAC station address register 2 */
+#define GM_ADR2_REG 0xf10
+#define GM_HWADDR_1_LBN 24
+#define GM_HWADDR_1_WIDTH 8
+#define GM_HWADDR_0_LBN 16
+#define GM_HWADDR_0_WIDTH 8
+
+/* GMAC FIFO configuration register 0 */
+#define GMF_CFG0_REG 0xf20
+#define GMF_FTFENREQ_LBN 12
+#define GMF_FTFENREQ_WIDTH 1
+#define GMF_STFENREQ_LBN 11
+#define GMF_STFENREQ_WIDTH 1
+#define GMF_FRFENREQ_LBN 10
+#define GMF_FRFENREQ_WIDTH 1
+#define GMF_SRFENREQ_LBN 9
+#define GMF_SRFENREQ_WIDTH 1
+#define GMF_WTMENREQ_LBN 8
+#define GMF_WTMENREQ_WIDTH 1
+
+/* GMAC FIFO configuration register 1 */
+#define GMF_CFG1_REG 0xf30
+#define GMF_CFGFRTH_LBN 16
+#define GMF_CFGFRTH_WIDTH 5
+#define GMF_CFGXOFFRTX_LBN 0
+#define GMF_CFGXOFFRTX_WIDTH 16
+
+/* GMAC FIFO configuration register 2 */
+#define GMF_CFG2_REG 0xf40
+#define GMF_CFGHWM_LBN 16
+#define GMF_CFGHWM_WIDTH 6
+#define GMF_CFGLWM_LBN 0
+#define GMF_CFGLWM_WIDTH 6
+
+/* GMAC FIFO configuration register 3 */
+#define GMF_CFG3_REG 0xf50
+#define GMF_CFGHWMFT_LBN 16
+#define GMF_CFGHWMFT_WIDTH 6
+#define GMF_CFGFTTH_LBN 0
+#define GMF_CFGFTTH_WIDTH 6
+
+/* GMAC FIFO configuration register 4 */
+#define GMF_CFG4_REG 0xf60
+#define GMF_HSTFLTRFRM_PAUSE_LBN 12
+#define GMF_HSTFLTRFRM_PAUSE_WIDTH 12
+
+/* GMAC FIFO configuration register 5 */
+#define GMF_CFG5_REG 0xf70
+#define GMF_CFGHDPLX_LBN 22
+#define GMF_CFGHDPLX_WIDTH 1
+#define GMF_CFGBYTMODE_LBN 19
+#define GMF_CFGBYTMODE_WIDTH 1
+#define GMF_HSTDRPLT64_LBN 18
+#define GMF_HSTDRPLT64_WIDTH 1
+#define GMF_HSTFLTRFRMDC_PAUSE_LBN 12
+#define GMF_HSTFLTRFRMDC_PAUSE_WIDTH 1
+
/* XGMAC address register low */
#define XM_ADR_LO_REG 0x1200
#define XM_ADR_3_LBN 24
@@ -962,54 +1069,103 @@
**************************************************************************
*
*/
+
#define GRxGoodOct_offset 0x0
+#define GRxGoodOct_WIDTH 48
#define GRxBadOct_offset 0x8
+#define GRxBadOct_WIDTH 48
#define GRxMissPkt_offset 0x10
+#define GRxMissPkt_WIDTH 32
#define GRxFalseCRS_offset 0x14
+#define GRxFalseCRS_WIDTH 32
#define GRxPausePkt_offset 0x18
+#define GRxPausePkt_WIDTH 32
#define GRxBadPkt_offset 0x1C
+#define GRxBadPkt_WIDTH 32
#define GRxUcastPkt_offset 0x20
+#define GRxUcastPkt_WIDTH 32
#define GRxMcastPkt_offset 0x24
+#define GRxMcastPkt_WIDTH 32
#define GRxBcastPkt_offset 0x28
+#define GRxBcastPkt_WIDTH 32
#define GRxGoodLt64Pkt_offset 0x2C
+#define GRxGoodLt64Pkt_WIDTH 32
#define GRxBadLt64Pkt_offset 0x30
+#define GRxBadLt64Pkt_WIDTH 32
#define GRx64Pkt_offset 0x34
+#define GRx64Pkt_WIDTH 32
#define GRx65to127Pkt_offset 0x38
+#define GRx65to127Pkt_WIDTH 32
#define GRx128to255Pkt_offset 0x3C
+#define GRx128to255Pkt_WIDTH 32
#define GRx256to511Pkt_offset 0x40
+#define GRx256to511Pkt_WIDTH 32
#define GRx512to1023Pkt_offset 0x44
+#define GRx512to1023Pkt_WIDTH 32
#define GRx1024to15xxPkt_offset 0x48
+#define GRx1024to15xxPkt_WIDTH 32
#define GRx15xxtoJumboPkt_offset 0x4C
+#define GRx15xxtoJumboPkt_WIDTH 32
#define GRxGtJumboPkt_offset 0x50
+#define GRxGtJumboPkt_WIDTH 32
#define GRxFcsErr64to15xxPkt_offset 0x54
+#define GRxFcsErr64to15xxPkt_WIDTH 32
#define GRxFcsErr15xxtoJumboPkt_offset 0x58
+#define GRxFcsErr15xxtoJumboPkt_WIDTH 32
#define GRxFcsErrGtJumboPkt_offset 0x5C
+#define GRxFcsErrGtJumboPkt_WIDTH 32
#define GTxGoodBadOct_offset 0x80
+#define GTxGoodBadOct_WIDTH 48
#define GTxGoodOct_offset 0x88
+#define GTxGoodOct_WIDTH 48
#define GTxSglColPkt_offset 0x90
+#define GTxSglColPkt_WIDTH 32
#define GTxMultColPkt_offset 0x94
+#define GTxMultColPkt_WIDTH 32
#define GTxExColPkt_offset 0x98
+#define GTxExColPkt_WIDTH 32
#define GTxDefPkt_offset 0x9C
+#define GTxDefPkt_WIDTH 32
#define GTxLateCol_offset 0xA0
+#define GTxLateCol_WIDTH 32
#define GTxExDefPkt_offset 0xA4
+#define GTxExDefPkt_WIDTH 32
#define GTxPausePkt_offset 0xA8
+#define GTxPausePkt_WIDTH 32
#define GTxBadPkt_offset 0xAC
+#define GTxBadPkt_WIDTH 32
#define GTxUcastPkt_offset 0xB0
+#define GTxUcastPkt_WIDTH 32
#define GTxMcastPkt_offset 0xB4
+#define GTxMcastPkt_WIDTH 32
#define GTxBcastPkt_offset 0xB8
+#define GTxBcastPkt_WIDTH 32
#define GTxLt64Pkt_offset 0xBC
+#define GTxLt64Pkt_WIDTH 32
#define GTx64Pkt_offset 0xC0
+#define GTx64Pkt_WIDTH 32
#define GTx65to127Pkt_offset 0xC4
+#define GTx65to127Pkt_WIDTH 32
#define GTx128to255Pkt_offset 0xC8
+#define GTx128to255Pkt_WIDTH 32
#define GTx256to511Pkt_offset 0xCC
+#define GTx256to511Pkt_WIDTH 32
#define GTx512to1023Pkt_offset 0xD0
+#define GTx512to1023Pkt_WIDTH 32
#define GTx1024to15xxPkt_offset 0xD4
+#define GTx1024to15xxPkt_WIDTH 32
#define GTx15xxtoJumboPkt_offset 0xD8
+#define GTx15xxtoJumboPkt_WIDTH 32
#define GTxGtJumboPkt_offset 0xDC
+#define GTxGtJumboPkt_WIDTH 32
#define GTxNonTcpUdpPkt_offset 0xE0
+#define GTxNonTcpUdpPkt_WIDTH 16
#define GTxMacSrcErrPkt_offset 0xE4
+#define GTxMacSrcErrPkt_WIDTH 16
#define GTxIpSrcErrPkt_offset 0xE8
+#define GTxIpSrcErrPkt_WIDTH 16
#define GDmaDone_offset 0xEC
+#define GDmaDone_WIDTH 32
#define XgRxOctets_offset 0x0
#define XgRxOctets_WIDTH 48
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index 4a54d09..2206ead 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -25,24 +25,6 @@
* MAC operations
*
*************************************************************************/
-static int falcon_reset_xmac(struct efx_nic *efx)
-{
- efx_oword_t reg;
- int count;
-
- EFX_POPULATE_OWORD_1(reg, XM_CORE_RST, 1);
- falcon_write(efx, ®, XM_GLB_CFG_REG);
-
- for (count = 0; count < 10000; count++) { /* wait upto 100ms */
- falcon_read(efx, ®, XM_GLB_CFG_REG);
- if (EFX_OWORD_FIELD(reg, XM_CORE_RST) == 0)
- return 0;
- udelay(10);
- }
-
- EFX_ERR(efx, "timed out waiting for XMAC core reset\n");
- return -ETIMEDOUT;
-}
/* Configure the XAUI driver that is an output from Falcon */
static void falcon_setup_xaui(struct efx_nic *efx)
@@ -98,31 +80,20 @@
return -ETIMEDOUT;
}
-static bool falcon_xgmii_status(struct efx_nic *efx)
-{
- efx_oword_t reg;
-
- if (falcon_rev(efx) < FALCON_REV_B0)
- return true;
-
- /* The ISR latches, so clear it and re-read */
- falcon_read(efx, ®, XM_MGT_INT_REG_B0);
- falcon_read(efx, ®, XM_MGT_INT_REG_B0);
-
- if (EFX_OWORD_FIELD(reg, XM_LCLFLT) ||
- EFX_OWORD_FIELD(reg, XM_RMTFLT)) {
- EFX_INFO(efx, "MGT_INT: "EFX_DWORD_FMT"\n", EFX_DWORD_VAL(reg));
- return false;
- }
-
- return true;
-}
-
static void falcon_mask_status_intr(struct efx_nic *efx, bool enable)
{
efx_oword_t reg;
- if ((falcon_rev(efx) < FALCON_REV_B0) || LOOPBACK_INTERNAL(efx))
+ if ((falcon_rev(efx) != FALCON_REV_B0) || LOOPBACK_INTERNAL(efx))
+ return;
+
+ /* We expect xgmii faults if the wireside link is up */
+ if (!EFX_WORKAROUND_5147(efx) || !efx->link_up)
+ return;
+
+ /* We can only use this interrupt to signal the negative edge of
+ * xaui_align [we have to poll the positive edge]. */
+ if (!efx->mac_up)
return;
/* Flush the ISR */
@@ -135,35 +106,7 @@
falcon_write(efx, ®, XM_MGT_INT_MSK_REG_B0);
}
-int falcon_init_xmac(struct efx_nic *efx)
-{
- int rc;
-
- /* Initialize the PHY first so the clock is around */
- rc = efx->phy_op->init(efx);
- if (rc)
- goto fail1;
-
- rc = falcon_reset_xaui(efx);
- if (rc)
- goto fail2;
-
- /* Wait again. Give the PHY and MAC time to come back */
- schedule_timeout_uninterruptible(HZ / 10);
-
- rc = falcon_reset_xmac(efx);
- if (rc)
- goto fail2;
-
- falcon_mask_status_intr(efx, true);
- return 0;
-
- fail2:
- efx->phy_op->fini(efx);
- fail1:
- return rc;
-}
-
+/* Get status of XAUI link */
bool falcon_xaui_link_ok(struct efx_nic *efx)
{
efx_oword_t reg;
@@ -187,18 +130,10 @@
EFX_SET_OWORD_FIELD(reg, XX_DISPERR, XX_DISPERR_RESET);
falcon_write(efx, ®, XX_CORE_STAT_REG);
- /* If the link is up, then check the phy side of the xaui link
- * (error conditions from the wire side propoagate back through
- * the phy to the xaui side). */
- if (efx->link_up && link_ok) {
+ /* If the link is up, then check the phy side of the xaui link */
+ if (efx->link_up && link_ok)
if (efx->phy_op->mmds & (1 << MDIO_MMD_PHYXS))
link_ok = mdio_clause45_phyxgxs_lane_sync(efx);
- }
-
- /* If the PHY and XAUI links are up, then check the mac's xgmii
- * fault state */
- if (efx->link_up && link_ok)
- link_ok = falcon_xgmii_status(efx);
return link_ok;
}
@@ -310,70 +245,39 @@
/* Try and bring the Falcon side of the Falcon-Phy XAUI link fails
* to come back up. Bash it until it comes back up */
-static bool falcon_check_xaui_link_up(struct efx_nic *efx)
+static void falcon_check_xaui_link_up(struct efx_nic *efx, int tries)
{
- int max_tries, tries;
- tries = EFX_WORKAROUND_5147(efx) ? 5 : 1;
- max_tries = tries;
+ efx->mac_up = falcon_xaui_link_ok(efx);
if ((efx->loopback_mode == LOOPBACK_NETWORK) ||
- (efx->phy_type == PHY_TYPE_NONE) ||
efx_phy_mode_disabled(efx->phy_mode))
- return false;
+ /* XAUI link is expected to be down */
+ return;
- while (tries) {
- if (falcon_xaui_link_ok(efx))
- return true;
-
- EFX_LOG(efx, "%s Clobbering XAUI (%d tries left).\n",
- __func__, tries);
+ while (!efx->mac_up && tries) {
+ EFX_LOG(efx, "bashing xaui\n");
falcon_reset_xaui(efx);
udelay(200);
- tries--;
- }
- EFX_LOG(efx, "Failed to bring XAUI link back up in %d tries!\n",
- max_tries);
- return false;
+ efx->mac_up = falcon_xaui_link_ok(efx);
+ --tries;
+ }
}
-void falcon_reconfigure_xmac(struct efx_nic *efx)
+static void falcon_reconfigure_xmac(struct efx_nic *efx)
{
- bool xaui_link_ok;
-
falcon_mask_status_intr(efx, false);
- falcon_deconfigure_mac_wrapper(efx);
-
- /* Reconfigure the PHY, disabling transmit in mac level loopback. */
- if (LOOPBACK_INTERNAL(efx))
- efx->phy_mode |= PHY_MODE_TX_DISABLED;
- else
- efx->phy_mode &= ~PHY_MODE_TX_DISABLED;
- efx->phy_op->reconfigure(efx);
-
falcon_reconfigure_xgxs_core(efx);
falcon_reconfigure_xmac_core(efx);
falcon_reconfigure_mac_wrapper(efx);
- /* Ensure XAUI link is up */
- xaui_link_ok = falcon_check_xaui_link_up(efx);
-
- if (xaui_link_ok && efx->link_up)
- falcon_mask_status_intr(efx, true);
+ falcon_check_xaui_link_up(efx, 5);
+ falcon_mask_status_intr(efx, true);
}
-void falcon_fini_xmac(struct efx_nic *efx)
-{
- /* Isolate the MAC - PHY */
- falcon_deconfigure_mac_wrapper(efx);
-
- /* Potentially power down the PHY */
- efx->phy_op->fini(efx);
-}
-
-void falcon_update_stats_xmac(struct efx_nic *efx)
+static void falcon_update_stats_xmac(struct efx_nic *efx)
{
struct efx_mac_stats *mac_stats = &efx->mac_stats;
int rc;
@@ -438,7 +342,7 @@
mac_stats->rx_control * 64);
}
-int falcon_check_xmac(struct efx_nic *efx)
+static int falcon_check_xmac(struct efx_nic *efx)
{
bool xaui_link_ok;
int rc;
@@ -463,72 +367,8 @@
return rc;
}
-/* Simulate a PHY event */
-void falcon_xmac_sim_phy_event(struct efx_nic *efx)
-{
- efx_qword_t phy_event;
-
- EFX_POPULATE_QWORD_2(phy_event,
- EV_CODE, GLOBAL_EV_DECODE,
- XG_PHY_INTR, 1);
- falcon_generate_event(&efx->channel[0], &phy_event);
-}
-
-int falcon_xmac_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
-{
- mdio_clause45_get_settings(efx, ecmd);
- ecmd->transceiver = XCVR_INTERNAL;
- ecmd->phy_address = efx->mii.phy_id;
- ecmd->autoneg = AUTONEG_DISABLE;
- ecmd->duplex = DUPLEX_FULL;
- return 0;
-}
-
-int falcon_xmac_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
-{
- if (ecmd->transceiver != XCVR_INTERNAL)
- return -EINVAL;
- if (ecmd->autoneg != AUTONEG_DISABLE)
- return -EINVAL;
- if (ecmd->duplex != DUPLEX_FULL)
- return -EINVAL;
-
- return mdio_clause45_set_settings(efx, ecmd);
-}
-
-
-int falcon_xmac_set_pause(struct efx_nic *efx, enum efx_fc_type flow_control)
-{
- bool reset;
-
- if (flow_control & EFX_FC_AUTO) {
- EFX_LOG(efx, "10G does not support flow control "
- "autonegotiation\n");
- return -EINVAL;
- }
-
- if ((flow_control & EFX_FC_TX) && !(flow_control & EFX_FC_RX))
- return -EINVAL;
-
- /* TX flow control may automatically turn itself off if the
- * link partner (intermittently) stops responding to pause
- * frames. There isn't any indication that this has happened,
- * so the best we do is leave it up to the user to spot this
- * and fix it be cycling transmit flow control on this end. */
- reset = ((flow_control & EFX_FC_TX) &&
- !(efx->flow_control & EFX_FC_TX));
- if (EFX_WORKAROUND_11482(efx) && reset) {
- if (falcon_rev(efx) >= FALCON_REV_B0) {
- /* Recover by resetting the EM block */
- if (efx->link_up)
- falcon_drain_tx_fifo(efx);
- } else {
- /* Schedule a reset to recover */
- efx_schedule_reset(efx, RESET_TYPE_INVISIBLE);
- }
- }
-
- efx->flow_control = flow_control;
-
- return 0;
-}
+struct efx_mac_operations falcon_xmac_operations = {
+ .reconfigure = falcon_reconfigure_xmac,
+ .update_stats = falcon_update_stats_xmac,
+ .check_hw = falcon_check_xmac,
+};
diff --git a/drivers/net/sfc/mac.h b/drivers/net/sfc/mac.h
index a31571c..4e70742 100644
--- a/drivers/net/sfc/mac.h
+++ b/drivers/net/sfc/mac.h
@@ -1,7 +1,7 @@
/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
* Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2007 Solarflare Communications Inc.
+ * Copyright 2006-2008 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@@ -13,17 +13,7 @@
#include "net_driver.h"
-extern int falcon_init_xmac(struct efx_nic *efx);
-extern void falcon_reconfigure_xmac(struct efx_nic *efx);
-extern void falcon_update_stats_xmac(struct efx_nic *efx);
-extern void falcon_fini_xmac(struct efx_nic *efx);
-extern int falcon_check_xmac(struct efx_nic *efx);
-extern void falcon_xmac_sim_phy_event(struct efx_nic *efx);
-extern int falcon_xmac_get_settings(struct efx_nic *efx,
- struct ethtool_cmd *ecmd);
-extern int falcon_xmac_set_settings(struct efx_nic *efx,
- struct ethtool_cmd *ecmd);
-extern int falcon_xmac_set_pause(struct efx_nic *efx,
- enum efx_fc_type pause_params);
+extern struct efx_mac_operations falcon_gmac_operations;
+extern struct efx_mac_operations falcon_xmac_operations;
#endif
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 6cac5ed4..883086e 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -463,6 +463,8 @@
#define PHY_ADDR_INVALID 0xff
+#define EFX_IS10G(efx) ((efx)->link_speed == 10000)
+
enum nic_state {
STATE_INIT = 0,
STATE_RUNNING = 1,
@@ -503,6 +505,24 @@
EFX_FC_AUTO = 4,
};
+/* Supported MAC bit-mask */
+enum efx_mac_type {
+ EFX_GMAC = 1,
+ EFX_XMAC = 2,
+};
+
+/**
+ * struct efx_mac_operations - Efx MAC operations table
+ * @reconfigure: Reconfigure MAC. Serialised by the mac_lock
+ * @update_stats: Update statistics
+ * @check_hw: Check hardware. Serialised by the mac_lock
+ */
+struct efx_mac_operations {
+ void (*reconfigure) (struct efx_nic *efx);
+ void (*update_stats) (struct efx_nic *efx);
+ int (*check_hw) (struct efx_nic *efx);
+};
+
/**
* struct efx_phy_operations - Efx PHY operations table
* @init: Initialise PHY
@@ -511,16 +531,23 @@
* @clear_interrupt: Clear down interrupt
* @blink: Blink LEDs
* @check_hw: Check hardware
+ * @get_settings: Get ethtool settings. Serialised by the mac_lock.
+ * @set_settings: Set ethtool settings. Serialised by the mac_lock.
* @mmds: MMD presence mask
* @loopbacks: Supported loopback modes mask
*/
struct efx_phy_operations {
+ enum efx_mac_type macs;
int (*init) (struct efx_nic *efx);
void (*fini) (struct efx_nic *efx);
void (*reconfigure) (struct efx_nic *efx);
void (*clear_interrupt) (struct efx_nic *efx);
int (*check_hw) (struct efx_nic *efx);
int (*test) (struct efx_nic *efx);
+ void (*get_settings) (struct efx_nic *efx,
+ struct ethtool_cmd *ecmd);
+ int (*set_settings) (struct efx_nic *efx,
+ struct ethtool_cmd *ecmd);
int mmds;
unsigned loopbacks;
};
@@ -686,6 +713,7 @@
* @stats_lock: Statistics update lock. Serialises statistics fetches
* @stats_enabled: Temporarily disable statistics fetches.
* Serialised by @stats_lock
+ * @mac_op: MAC interface
* @mac_address: Permanent MAC address
* @phy_type: PHY type
* @phy_lock: PHY access lock
@@ -693,6 +721,7 @@
* @phy_data: PHY private data (including PHY-specific stats)
* @mii: PHY interface
* @phy_mode: PHY operating mode. Serialised by @mac_lock.
+ * @mac_up: MAC link state
* @link_up: Link status
* @link_fd: Link is full duplex
* @link_speed: Link speed (Mbps)
@@ -763,6 +792,7 @@
spinlock_t stats_lock;
bool stats_enabled;
+ struct efx_mac_operations *mac_op;
unsigned char mac_address[ETH_ALEN];
enum phy_type phy_type;
@@ -772,6 +802,7 @@
struct mii_if_info mii;
enum efx_phy_mode phy_mode;
+ bool mac_up;
bool link_up;
bool link_fd;
unsigned int link_speed;
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 362956e..8142e37 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -26,7 +26,6 @@
#include "selftest.h"
#include "boards.h"
#include "workarounds.h"
-#include "mac.h"
#include "spi.h"
#include "falcon_io.h"
#include "mdio_10g.h"
@@ -105,9 +104,11 @@
goto out;
}
- rc = mdio_clause45_check_mmds(efx, efx->phy_op->mmds, 0);
- if (rc)
- goto out;
+ if (EFX_IS10G(efx)) {
+ rc = mdio_clause45_check_mmds(efx, efx->phy_op->mmds, 0);
+ if (rc)
+ goto out;
+ }
out:
mutex_unlock(&efx->mac_lock);
@@ -598,7 +599,7 @@
do {
struct efx_channel *channel = &efx->channel[0];
- falcon_check_xmac(efx);
+ efx->mac_op->check_hw(efx);
schedule_timeout_uninterruptible(HZ / 10);
if (channel->work_pending)
efx_process_channel_now(channel);
@@ -606,13 +607,12 @@
flush_workqueue(efx->workqueue);
rmb();
- /* efx->link_up can be 1 even if the XAUI link is down,
- * (bug5762). Usually, it's not worth bothering with the
- * difference, but for selftests, we need that extra
- * guarantee that the link is really, really, up.
- */
+ /* We need both the phy and xaui links to be ok.
+ * rather than relying on the falcon_xmac irq/poll
+ * regime, just poll xaui directly */
link_up = efx->link_up;
- if (!falcon_xaui_link_ok(efx))
+ if (link_up && EFX_IS10G(efx) &&
+ !falcon_xaui_link_ok(efx))
link_up = false;
} while ((++count < 20) && !link_up);
@@ -721,7 +721,6 @@
if (ecmd_test.autoneg == AUTONEG_ENABLE) {
ecmd_test.autoneg = AUTONEG_DISABLE;
ecmd_test.duplex = DUPLEX_FULL;
- ecmd_test.speed = SPEED_10000;
}
efx->loopback_mode = LOOPBACK_NONE;
@@ -732,9 +731,6 @@
return rc;
}
- tests->loopback_speed = ecmd_test.speed;
- tests->loopback_full_duplex = ecmd_test.duplex;
-
rc = efx_test_phy(efx, tests);
if (rc && !rc2)
rc2 = rc;
diff --git a/drivers/net/sfc/selftest.h b/drivers/net/sfc/selftest.h
index fc15df1..252f7d7 100644
--- a/drivers/net/sfc/selftest.h
+++ b/drivers/net/sfc/selftest.h
@@ -39,8 +39,6 @@
/* offline tests */
int registers;
int phy;
- int loopback_speed;
- int loopback_full_duplex;
struct efx_loopback_self_tests loopback[LOOPBACK_TEST_MAX + 1];
};
diff --git a/drivers/net/sfc/sfe4001.c b/drivers/net/sfc/sfe4001.c
index aa576c5..af65284 100644
--- a/drivers/net/sfc/sfe4001.c
+++ b/drivers/net/sfc/sfe4001.c
@@ -176,7 +176,7 @@
s32 status;
/* If XAUI link is up then do not monitor */
- if (EFX_WORKAROUND_7884(efx) && falcon_xaui_link_ok(efx))
+ if (EFX_WORKAROUND_7884(efx) && efx->mac_up)
return 0;
/* Check the powered status of the PHY. Lack of power implies that
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 197b544..d60353b 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -1,6 +1,6 @@
/****************************************************************************
- * Driver for Solarflare 802.3an compliant PHY
- * Copyright 2007 Solarflare Communications Inc.
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2007-2008 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@@ -15,7 +15,6 @@
#include "phy.h"
#include "falcon_hwdefs.h"
#include "boards.h"
-#include "mac.h"
/* We expect these MMDs to be in the package */
/* AN not here as mdio_check_mmds() requires STAT2 support */
@@ -381,7 +380,7 @@
link_ok = tenxpress_link_ok(efx, true);
if (link_ok != efx->link_up)
- falcon_xmac_sim_phy_event(efx);
+ falcon_sim_phy_event(efx);
if (phy_data->phy_mode != PHY_MODE_NORMAL)
return 0;
@@ -453,12 +452,15 @@
}
struct efx_phy_operations falcon_tenxpress_phy_ops = {
+ .macs = EFX_XMAC,
.init = tenxpress_phy_init,
.reconfigure = tenxpress_phy_reconfigure,
.check_hw = tenxpress_phy_check_hw,
.fini = tenxpress_phy_fini,
.clear_interrupt = tenxpress_phy_clear_interrupt,
.test = tenxpress_phy_test,
+ .get_settings = mdio_clause45_get_settings,
+ .set_settings = mdio_clause45_set_settings,
.mmds = TENXPRESS_REQUIRED_DEVS,
.loopbacks = TENXPRESS_LOOPBACKS,
};
diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/xfp_phy.c
index 0413d13..d4e203d 100644
--- a/drivers/net/sfc/xfp_phy.c
+++ b/drivers/net/sfc/xfp_phy.c
@@ -17,7 +17,7 @@
#include "mdio_10g.h"
#include "xenpack.h"
#include "phy.h"
-#include "mac.h"
+#include "falcon.h"
#define XFP_REQUIRED_DEVS (MDIO_MMDREG_DEVS_PCS | \
MDIO_MMDREG_DEVS_PMAPMD | \
@@ -125,7 +125,7 @@
int link_up = xfp_link_ok(efx);
/* Simulate a PHY event if link state has changed */
if (link_up != efx->link_up)
- falcon_xmac_sim_phy_event(efx);
+ falcon_sim_phy_event(efx);
rc = efx->board_info.monitor(efx);
if (rc) {
@@ -169,11 +169,14 @@
}
struct efx_phy_operations falcon_xfp_phy_ops = {
+ .macs = EFX_XMAC,
.init = xfp_phy_init,
.reconfigure = xfp_phy_reconfigure,
.check_hw = xfp_phy_check_hw,
.fini = xfp_phy_fini,
.clear_interrupt = xfp_phy_clear_interrupt,
+ .get_settings = mdio_clause45_get_settings,
+ .set_settings = mdio_clause45_set_settings,
.mmds = XFP_REQUIRED_DEVS,
.loopbacks = XFP_LOOPBACKS,
};