diff options
author | Stephen Hemminger <shemminger@vyatta.com> | 2009-08-14 15:36:41 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2009-08-14 15:36:41 -0700 |
commit | 0ea065e52eb6a0f029b5fa5ed2f142be1b66a153 (patch) | |
tree | f18bfc3027224f724ec00c6f4c0557e3f6861035 /drivers | |
parent | 481cea4a4d72aabe76dbb86b1a64f4e8931eca25 (diff) |
sky2: fix pause negotiation
The sky2 driver combines auto speed negotiation with automatic negotiation
of pause parameters; but the ethtool interface expects them to be
split. This patch allows autonegotiation to be used for speed, but
manually disable flow control.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/sky2.c | 73 | ||||
-rw-r--r-- | drivers/net/sky2.h | 16 |
2 files changed, 56 insertions, 33 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 4944fcc6b076..6788a91d68d5 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -321,7 +321,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) struct sky2_port *sky2 = netdev_priv(hw->dev[port]); u16 ctrl, ct1000, adv, pg, ledctrl, ledover, reg; - if (sky2->autoneg == AUTONEG_ENABLE && + if ( (sky2->flags & SKY2_FLAG_AUTO_SPEED) && !(hw->flags & SKY2_HW_NEWER_PHY)) { u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); @@ -363,7 +363,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO); /* downshift on PHY 88E1112 and 88E1149 is changed */ - if (sky2->autoneg == AUTONEG_ENABLE + if ( (sky2->flags & SKY2_FLAG_AUTO_SPEED) && (hw->flags & SKY2_HW_NEWER_PHY)) { /* set downshift counter to 3x and enable downshift */ ctrl &= ~PHY_M_PC_DSC_MSK; @@ -408,7 +408,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) adv = PHY_AN_CSMA; reg = 0; - if (sky2->autoneg == AUTONEG_ENABLE) { + if (sky2->flags & SKY2_FLAG_AUTO_SPEED) { if (sky2_is_copper(hw)) { if (sky2->advertising & ADVERTISED_1000baseT_Full) ct1000 |= PHY_M_1000C_AFD; @@ -423,14 +423,11 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) if (sky2->advertising & ADVERTISED_10baseT_Half) adv |= PHY_M_AN_10_HD; - adv |= copper_fc_adv[sky2->flow_mode]; } else { /* special defines for FIBER (88E1040S only) */ if (sky2->advertising & ADVERTISED_1000baseT_Full) adv |= PHY_M_AN_1000X_AFD; if (sky2->advertising & ADVERTISED_1000baseT_Half) adv |= PHY_M_AN_1000X_AHD; - - adv |= fiber_fc_adv[sky2->flow_mode]; } /* Restart Auto-negotiation */ @@ -439,8 +436,8 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) /* forced speed/duplex settings */ ct1000 = PHY_M_1000C_MSE; - /* Disable auto update for duplex flow control and speed */ - reg |= GM_GPCR_AU_ALL_DIS; + /* Disable auto update for duplex flow control and duplex */ + reg |= GM_GPCR_AU_DUP_DIS | GM_GPCR_AU_SPD_DIS; switch (sky2->speed) { case SPEED_1000: @@ -458,8 +455,15 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) ctrl |= PHY_CT_DUP_MD; } else if (sky2->speed < SPEED_1000) sky2->flow_mode = FC_NONE; + } - + if (sky2->flags & SKY2_FLAG_AUTO_PAUSE) { + if (sky2_is_copper(hw)) + adv |= copper_fc_adv[sky2->flow_mode]; + else + adv |= fiber_fc_adv[sky2->flow_mode]; + } else { + reg |= GM_GPCR_AU_FCT_DIS; reg |= gm_fc_disable[sky2->flow_mode]; /* Forward pause packets to GMAC? */ @@ -594,7 +598,8 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) /* no effect on Yukon-XL */ gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); - if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { + if ( !(sky2->flags & SKY2_FLAG_AUTO_SPEED) + || sky2->speed == SPEED_100) { /* turn on 100 Mbps LED (LED_LINK100) */ ledover |= PHY_M_LED_MO_100(MO_LED_ON); } @@ -605,7 +610,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) } /* Enable phy interrupt on auto-negotiation complete (or link up) */ - if (sky2->autoneg == AUTONEG_ENABLE) + if (sky2->flags & SKY2_FLAG_AUTO_SPEED) gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_IS_AN_COMPL); else gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK); @@ -661,7 +666,9 @@ static void sky2_phy_power_down(struct sky2_hw *hw, unsigned port) /* setup General Purpose Control Register */ gma_write16(hw, port, GM_GP_CTRL, - GM_GPCR_FL_PASS | GM_GPCR_SPEED_100 | GM_GPCR_AU_ALL_DIS); + GM_GPCR_FL_PASS | GM_GPCR_SPEED_100 | + GM_GPCR_AU_DUP_DIS | GM_GPCR_AU_FCT_DIS | + GM_GPCR_AU_SPD_DIS); if (hw->chip_id != CHIP_ID_YUKON_EC) { if (hw->chip_id == CHIP_ID_YUKON_EC_U) { @@ -1117,7 +1124,8 @@ static void rx_set_checksum(struct sky2_port *sky2) sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), - sky2->rx_csum ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); + (sky2->flags & SKY2_FLAG_RX_CHECKSUM) + ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); } /* @@ -2087,7 +2095,7 @@ static void sky2_phy_intr(struct sky2_hw *hw, unsigned port) printk(KERN_INFO PFX "%s: phy interrupt status 0x%x 0x%x\n", sky2->netdev->name, istatus, phystat); - if (sky2->autoneg == AUTONEG_ENABLE && (istatus & PHY_M_IS_AN_COMPL)) { + if (istatus & PHY_M_IS_AN_COMPL) { if (sky2_autoneg_done(sky2, phystat) == 0) sky2_link_up(sky2); goto out; @@ -2453,7 +2461,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) /* This chip reports checksum status differently */ if (hw->flags & SKY2_HW_NEW_LE) { - if (sky2->rx_csum && + if ((sky2->flags & SKY2_FLAG_RX_CHECKSUM) && (le->css & (CSS_ISIPV4 | CSS_ISIPV6)) && (le->css & CSS_TCPUDPCSOK)) skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -2480,7 +2488,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) /* fall through */ #endif case OP_RXCHKS: - if (!sky2->rx_csum) + if (!(sky2->flags & SKY2_FLAG_RX_CHECKSUM)) break; /* If this happens then driver assuming wrong format */ @@ -2505,7 +2513,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) printk(KERN_NOTICE PFX "%s: hardware receive " "checksum problem (status = %#x)\n", dev->name, status); - sky2->rx_csum = 0; + sky2->flags &= ~SKY2_FLAG_RX_CHECKSUM; + sky2_write32(sky2->hw, Q_ADDR(rxqaddr[port], Q_CSR), BMU_DIS_RX_CHKSUM); @@ -3206,7 +3215,8 @@ static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) } ecmd->advertising = sky2->advertising; - ecmd->autoneg = sky2->autoneg; + ecmd->autoneg = (sky2->flags & SKY2_FLAG_AUTO_SPEED) + ? AUTONEG_ENABLE : AUTONEG_DISABLE; ecmd->duplex = sky2->duplex; return 0; } @@ -3218,6 +3228,7 @@ static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) u32 supported = sky2_supported_modes(hw); if (ecmd->autoneg == AUTONEG_ENABLE) { + sky2->flags |= SKY2_FLAG_AUTO_SPEED; ecmd->advertising = supported; sky2->duplex = -1; sky2->speed = -1; @@ -3259,9 +3270,9 @@ static int sky2_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) sky2->speed = ecmd->speed; sky2->duplex = ecmd->duplex; + sky2->flags &= ~SKY2_FLAG_AUTO_SPEED; } - sky2->autoneg = ecmd->autoneg; sky2->advertising = ecmd->advertising; if (netif_running(dev)) { @@ -3331,14 +3342,17 @@ static u32 sky2_get_rx_csum(struct net_device *dev) { struct sky2_port *sky2 = netdev_priv(dev); - return sky2->rx_csum; + return !!(sky2->flags & SKY2_FLAG_RX_CHECKSUM); } static int sky2_set_rx_csum(struct net_device *dev, u32 data) { struct sky2_port *sky2 = netdev_priv(dev); - sky2->rx_csum = data; + if (data) + sky2->flags |= SKY2_FLAG_RX_CHECKSUM; + else + sky2->flags &= ~SKY2_FLAG_RX_CHECKSUM; sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR), data ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); @@ -3356,7 +3370,7 @@ static int sky2_nway_reset(struct net_device *dev) { struct sky2_port *sky2 = netdev_priv(dev); - if (!netif_running(dev) || sky2->autoneg != AUTONEG_ENABLE) + if (!netif_running(dev) || !(sky2->flags & SKY2_FLAG_AUTO_SPEED)) return -EINVAL; sky2_phy_reinit(sky2); @@ -3596,7 +3610,8 @@ static void sky2_get_pauseparam(struct net_device *dev, ecmd->tx_pause = ecmd->rx_pause = 1; } - ecmd->autoneg = sky2->autoneg; + ecmd->autoneg = (sky2->flags & SKY2_FLAG_AUTO_PAUSE) + ? AUTONEG_ENABLE : AUTONEG_DISABLE; } static int sky2_set_pauseparam(struct net_device *dev, @@ -3604,7 +3619,11 @@ static int sky2_set_pauseparam(struct net_device *dev, { struct sky2_port *sky2 = netdev_priv(dev); - sky2->autoneg = ecmd->autoneg; + if (ecmd->autoneg == AUTONEG_ENABLE) + sky2->flags |= SKY2_FLAG_AUTO_PAUSE; + else + sky2->flags &= ~SKY2_FLAG_AUTO_PAUSE; + sky2->flow_mode = sky2_flow(ecmd->rx_pause, ecmd->tx_pause); if (netif_running(dev)) @@ -4294,13 +4313,15 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, sky2->msg_enable = netif_msg_init(debug, default_msg); /* Auto speed and flow control */ - sky2->autoneg = AUTONEG_ENABLE; + sky2->flags = SKY2_FLAG_AUTO_SPEED | SKY2_FLAG_AUTO_PAUSE; + if (hw->chip_id != CHIP_ID_YUKON_XL) + sky2->flags |= SKY2_FLAG_RX_CHECKSUM; + sky2->flow_mode = FC_BOTH; sky2->duplex = -1; sky2->speed = -1; sky2->advertising = sky2_supported_modes(hw); - sky2->rx_csum = (hw->chip_id != CHIP_ID_YUKON_XL); sky2->wol = wol; spin_lock_init(&sky2->phy_lock); diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index 4486b066b43f..c9548d6d567c 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -1583,7 +1583,6 @@ enum { }; #define GM_GPCR_SPEED_1000 (GM_GPCR_GIGS_ENA | GM_GPCR_SPEED_100) -#define GM_GPCR_AU_ALL_DIS (GM_GPCR_AU_DUP_DIS | GM_GPCR_AU_FCT_DIS|GM_GPCR_AU_SPD_DIS) /* GM_TX_CTRL 16 bit r/w Transmit Control Register */ enum { @@ -2042,15 +2041,18 @@ struct sky2_port { u8 fifo_lev; } check; - dma_addr_t rx_le_map; dma_addr_t tx_le_map; + u16 advertising; /* ADVERTISED_ bits */ - u16 speed; /* SPEED_1000, SPEED_100, ... */ - u8 autoneg; /* AUTONEG_ENABLE, AUTONEG_DISABLE */ - u8 duplex; /* DUPLEX_HALF, DUPLEX_FULL */ - u8 rx_csum; - u8 wol; + u16 speed; /* SPEED_1000, SPEED_100, ... */ + u8 wol; /* WAKE_ bits */ + u8 duplex; /* DUPLEX_HALF, DUPLEX_FULL */ + u16 flags; +#define SKY2_FLAG_RX_CHECKSUM 0x0001 +#define SKY2_FLAG_AUTO_SPEED 0x0002 +#define SKY2_FLAG_AUTO_PAUSE 0x0004 + u8 restarting; enum flow_control flow_mode; enum flow_control flow_status; |