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authorBen Hutchings <bhutchings@solarflare.com>2008-12-12 21:43:33 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-12 21:57:57 -0800
commitf31a45d2f45a7667acd6e85ab6613b0910c55ea9 (patch)
tree0462d02420800b22af5291db8a210888da9e2683 /drivers/net/sfc
parent5005087728e37db133fee05bb0923c50e673ae99 (diff)
sfc: Remove MII extension cruft
Replace efx_nic::link_options bitfield with link_speed (speed in Mbit/s) and link_fd (full duplex flag). Remove broken auto-negotiation functions. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sfc')
-rw-r--r--drivers/net/sfc/efx.c23
-rw-r--r--drivers/net/sfc/ethtool.c1
-rw-r--r--drivers/net/sfc/falcon.c16
-rw-r--r--drivers/net/sfc/falcon_xmac.c1
-rw-r--r--drivers/net/sfc/gmii.h137
-rw-r--r--drivers/net/sfc/net_driver.h6
-rw-r--r--drivers/net/sfc/tenxpress.c4
-rw-r--r--drivers/net/sfc/xfp_phy.c4
8 files changed, 18 insertions, 174 deletions
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index bba11490ef4..957a6320bbc 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -21,7 +21,6 @@
#include <linux/ethtool.h>
#include <linux/topology.h>
#include "net_driver.h"
-#include "gmii.h"
#include "ethtool.h"
#include "tx.h"
#include "rx.h"
@@ -551,26 +550,8 @@ static void efx_link_status_changed(struct efx_nic *efx)
/* Status message for kernel log */
if (efx->link_up) {
- struct mii_if_info *gmii = &efx->mii;
- unsigned adv, lpa;
- /* NONE here means direct XAUI from the controller, with no
- * MDIO-attached device we can query. */
- if (efx->phy_type != PHY_TYPE_NONE) {
- adv = gmii_advertised(gmii);
- lpa = gmii_lpa(gmii);
- } else {
- lpa = GM_LPA_10000 | LPA_DUPLEX;
- adv = lpa;
- }
- EFX_INFO(efx, "link up at %dMbps %s-duplex "
- "(adv %04x lpa %04x) (MTU %d)%s\n",
- (efx->link_options & GM_LPA_10000 ? 10000 :
- (efx->link_options & GM_LPA_1000 ? 1000 :
- (efx->link_options & GM_LPA_100 ? 100 :
- 10))),
- (efx->link_options & GM_LPA_DUPLEX ?
- "full" : "half"),
- adv, lpa,
+ EFX_INFO(efx, "link up at %uMbps %s-duplex (MTU %d)%s\n",
+ efx->link_speed, efx->link_fd ? "full" : "half",
efx->net_dev->mtu,
(efx->promiscuous ? " [PROMISC]" : ""));
} else {
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 931ce141048..43d6d8b4429 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -16,7 +16,6 @@
#include "efx.h"
#include "ethtool.h"
#include "falcon.h"
-#include "gmii.h"
#include "spi.h"
#include "mac.h"
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 97cc037a10c..448bba9eed0 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -15,11 +15,11 @@
#include <linux/seq_file.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
+#include <linux/mii.h>
#include "net_driver.h"
#include "bitfield.h"
#include "efx.h"
#include "mac.h"
-#include "gmii.h"
#include "spi.h"
#include "falcon.h"
#include "falcon_hwdefs.h"
@@ -1915,14 +1915,12 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)
int link_speed;
bool tx_fc;
- if (efx->link_options & GM_LPA_10000)
- link_speed = 0x3;
- else if (efx->link_options & GM_LPA_1000)
- link_speed = 0x2;
- else if (efx->link_options & GM_LPA_100)
- link_speed = 0x1;
- else
- link_speed = 0x0;
+ switch (efx->link_speed) {
+ case 10000: link_speed = 3; break;
+ case 1000: link_speed = 2; break;
+ case 100: link_speed = 1; break;
+ default: link_speed = 0; break;
+ }
/* MAC_LINK_STATUS controls MAC backpressure but doesn't work
* as advertised. Disable to ensure packets are not
* indefinitely held and TX queue can be flushed at any point
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index d4012314dd0..4a54d0933e7 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -15,7 +15,6 @@
#include "falcon_hwdefs.h"
#include "falcon_io.h"
#include "mac.h"
-#include "gmii.h"
#include "mdio_10g.h"
#include "phy.h"
#include "boards.h"
diff --git a/drivers/net/sfc/gmii.h b/drivers/net/sfc/gmii.h
index d25bbd1297f..dfccaa7b573 100644
--- a/drivers/net/sfc/gmii.h
+++ b/drivers/net/sfc/gmii.h
@@ -1,7 +1,7 @@
/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
* Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006 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
@@ -57,139 +57,4 @@
#define ISR_POLARITY_CHG 0x0002 /* Bit 1 - polarity changed */
#define ISR_JABBER 0x0001 /* Bit 0 - jabber */
-/* Logically extended advertisement register */
-#define GM_ADVERTISE_SLCT ADVERTISE_SLCT
-#define GM_ADVERTISE_CSMA ADVERTISE_CSMA
-#define GM_ADVERTISE_10HALF ADVERTISE_10HALF
-#define GM_ADVERTISE_1000XFULL ADVERTISE_1000XFULL
-#define GM_ADVERTISE_10FULL ADVERTISE_10FULL
-#define GM_ADVERTISE_1000XHALF ADVERTISE_1000XHALF
-#define GM_ADVERTISE_100HALF ADVERTISE_100HALF
-#define GM_ADVERTISE_1000XPAUSE ADVERTISE_1000XPAUSE
-#define GM_ADVERTISE_100FULL ADVERTISE_100FULL
-#define GM_ADVERTISE_1000XPSE_ASYM ADVERTISE_1000XPSE_ASYM
-#define GM_ADVERTISE_100BASE4 ADVERTISE_100BASE4
-#define GM_ADVERTISE_PAUSE_CAP ADVERTISE_PAUSE_CAP
-#define GM_ADVERTISE_PAUSE_ASYM ADVERTISE_PAUSE_ASYM
-#define GM_ADVERTISE_RESV ADVERTISE_RESV
-#define GM_ADVERTISE_RFAULT ADVERTISE_RFAULT
-#define GM_ADVERTISE_LPACK ADVERTISE_LPACK
-#define GM_ADVERTISE_NPAGE ADVERTISE_NPAGE
-#define GM_ADVERTISE_1000FULL (ADVERTISE_1000FULL << 8)
-#define GM_ADVERTISE_1000HALF (ADVERTISE_1000HALF << 8)
-#define GM_ADVERTISE_1000 (GM_ADVERTISE_1000FULL | \
- GM_ADVERTISE_1000HALF)
-#define GM_ADVERTISE_FULL (GM_ADVERTISE_1000FULL | \
- ADVERTISE_FULL)
-#define GM_ADVERTISE_ALL (GM_ADVERTISE_1000FULL | \
- GM_ADVERTISE_1000HALF | \
- ADVERTISE_ALL)
-
-/* Logically extended link partner ability register */
-#define GM_LPA_SLCT LPA_SLCT
-#define GM_LPA_10HALF LPA_10HALF
-#define GM_LPA_1000XFULL LPA_1000XFULL
-#define GM_LPA_10FULL LPA_10FULL
-#define GM_LPA_1000XHALF LPA_1000XHALF
-#define GM_LPA_100HALF LPA_100HALF
-#define GM_LPA_1000XPAUSE LPA_1000XPAUSE
-#define GM_LPA_100FULL LPA_100FULL
-#define GM_LPA_1000XPAUSE_ASYM LPA_1000XPAUSE_ASYM
-#define GM_LPA_100BASE4 LPA_100BASE4
-#define GM_LPA_PAUSE_CAP LPA_PAUSE_CAP
-#define GM_LPA_PAUSE_ASYM LPA_PAUSE_ASYM
-#define GM_LPA_RESV LPA_RESV
-#define GM_LPA_RFAULT LPA_RFAULT
-#define GM_LPA_LPACK LPA_LPACK
-#define GM_LPA_NPAGE LPA_NPAGE
-#define GM_LPA_1000FULL (LPA_1000FULL << 6)
-#define GM_LPA_1000HALF (LPA_1000HALF << 6)
-#define GM_LPA_10000FULL 0x00040000
-#define GM_LPA_10000HALF 0x00080000
-#define GM_LPA_DUPLEX (GM_LPA_1000FULL | GM_LPA_10000FULL \
- | LPA_DUPLEX)
-#define GM_LPA_10 (LPA_10FULL | LPA_10HALF)
-#define GM_LPA_100 LPA_100
-#define GM_LPA_1000 (GM_LPA_1000FULL | GM_LPA_1000HALF)
-#define GM_LPA_10000 (GM_LPA_10000FULL | GM_LPA_10000HALF)
-
-/* Retrieve GMII autonegotiation advertised abilities
- *
- * The MII advertisment register (MII_ADVERTISE) is logically extended
- * to include advertisement bits ADVERTISE_1000FULL and
- * ADVERTISE_1000HALF from MII_CTRL1000. The result can be tested
- * against the GM_ADVERTISE_xxx constants.
- */
-static inline unsigned int gmii_advertised(struct mii_if_info *gmii)
-{
- unsigned int advertise;
- unsigned int ctrl1000;
-
- advertise = gmii->mdio_read(gmii->dev, gmii->phy_id, MII_ADVERTISE);
- ctrl1000 = gmii->mdio_read(gmii->dev, gmii->phy_id, MII_CTRL1000);
- return (((ctrl1000 << 8) & GM_ADVERTISE_1000) | advertise);
-}
-
-/* Retrieve GMII autonegotiation link partner abilities
- *
- * The MII link partner ability register (MII_LPA) is logically
- * extended by adding bits LPA_1000HALF and LPA_1000FULL from
- * MII_STAT1000. The result can be tested against the GM_LPA_xxx
- * constants.
- */
-static inline unsigned int gmii_lpa(struct mii_if_info *gmii)
-{
- unsigned int lpa;
- unsigned int stat1000;
-
- lpa = gmii->mdio_read(gmii->dev, gmii->phy_id, MII_LPA);
- stat1000 = gmii->mdio_read(gmii->dev, gmii->phy_id, MII_STAT1000);
- return (((stat1000 << 6) & GM_LPA_1000) | lpa);
-}
-
-/* Calculate GMII autonegotiated link technology
- *
- * "negotiated" should be the result of gmii_advertised() logically
- * ANDed with the result of gmii_lpa().
- *
- * "tech" will be negotiated with the unused bits masked out. For
- * example, if both ends of the link are capable of both
- * GM_LPA_1000FULL and GM_LPA_100FULL, GM_LPA_100FULL will be masked
- * out.
- */
-static inline unsigned int gmii_nway_result(unsigned int negotiated)
-{
- unsigned int other_bits;
-
- /* Mask out the speed and duplexity bits */
- other_bits = negotiated & ~(GM_LPA_10 | GM_LPA_100 | GM_LPA_1000);
-
- if (negotiated & GM_LPA_1000FULL)
- return (other_bits | GM_LPA_1000FULL);
- else if (negotiated & GM_LPA_1000HALF)
- return (other_bits | GM_LPA_1000HALF);
- else
- return (other_bits | mii_nway_result(negotiated));
-}
-
-/* Calculate GMII non-autonegotiated link technology
- *
- * This provides an equivalent to gmii_nway_result for the case when
- * autonegotiation is disabled.
- */
-static inline unsigned int gmii_forced_result(unsigned int bmcr)
-{
- unsigned int result;
- int full_duplex;
-
- full_duplex = bmcr & BMCR_FULLDPLX;
- if (bmcr & BMCR_SPEED1000)
- result = full_duplex ? GM_LPA_1000FULL : GM_LPA_1000HALF;
- else if (bmcr & BMCR_SPEED100)
- result = full_duplex ? GM_LPA_100FULL : GM_LPA_100HALF;
- else
- result = full_duplex ? GM_LPA_10FULL : GM_LPA_10HALF;
- return result;
-}
-
#endif /* EFX_GMII_H */
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index abff9084a98..6cac5ed427b 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -694,7 +694,8 @@ union efx_multicast_hash {
* @mii: PHY interface
* @phy_mode: PHY operating mode. Serialised by @mac_lock.
* @link_up: Link status
- * @link_options: Link options (MII/GMII format)
+ * @link_fd: Link is full duplex
+ * @link_speed: Link speed (Mbps)
* @n_link_state_changes: Number of times the link has changed state
* @promiscuous: Promiscuous flag. Protected by netif_tx_lock.
* @multicast_hash: Multicast hash table
@@ -772,7 +773,8 @@ struct efx_nic {
enum efx_phy_mode phy_mode;
bool link_up;
- unsigned int link_options;
+ bool link_fd;
+ unsigned int link_speed;
unsigned int n_link_state_changes;
bool promiscuous;
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index 8d41c29b9d7..3fa7ccb08d5 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -10,7 +10,6 @@
#include <linux/delay.h>
#include <linux/seq_file.h>
#include "efx.h"
-#include "gmii.h"
#include "mdio_10g.h"
#include "falcon.h"
#include "phy.h"
@@ -362,7 +361,8 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx)
phy_data->loopback_mode = efx->loopback_mode;
phy_data->phy_mode = efx->phy_mode;
efx->link_up = tenxpress_link_ok(efx, false);
- efx->link_options = GM_LPA_10000FULL;
+ efx->link_speed = 10000;
+ efx->link_fd = true;
}
static void tenxpress_phy_clear_interrupt(struct efx_nic *efx)
diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/xfp_phy.c
index 91f02466210..971a24b59fa 100644
--- a/drivers/net/sfc/xfp_phy.c
+++ b/drivers/net/sfc/xfp_phy.c
@@ -14,7 +14,6 @@
#include <linux/timer.h>
#include <linux/delay.h>
#include "efx.h"
-#include "gmii.h"
#include "mdio_10g.h"
#include "xenpack.h"
#include "phy.h"
@@ -154,7 +153,8 @@ static void xfp_phy_reconfigure(struct efx_nic *efx)
phy_data->phy_mode = efx->phy_mode;
efx->link_up = xfp_link_ok(efx);
- efx->link_options = GM_LPA_10000FULL;
+ efx->link_speed = 10000;
+ efx->link_fd = true;
}