*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/pci.h>
{
struct bnx2x *bp = params->bp;
u32 emac_base = (params->port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+
/* Set Clause 22 */
REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + params->port*0x10, 1);
REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
static void bnx2x_set_phy_mdio(struct link_params *params, u8 phy_flags)
{
struct bnx2x *bp = params->bp;
+
if (phy_flags & PHY_XGXS_FLAG) {
REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST +
params->port*0x18, 0);
REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL,
wb_data, 2);
-
/* set rx mtu */
wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
wb_data[1] = 0;
static void bnx2x_update_mng(struct link_params *params, u32 link_status)
{
struct bnx2x *bp = params->bp;
+
REG_WR(bp, params->shmem_base +
offsetof(struct shmem_region,
port_mb[params->port].link_status),
DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
line_speed);
return -EINVAL;
- break;
}
}
REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
static u32 bnx2x_get_emac_base(struct bnx2x *bp, u32 ext_phy_type, u8 port)
{
u32 emac_base;
+
switch (ext_phy_type) {
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
val = saved_mode & ((EMAC_MDIO_MODE_AUTO_POLL |
EMAC_MDIO_MODE_CLOCK_CNT));
val |= (EMAC_MDIO_MODE_CLAUSE_45 |
- (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
+ (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
udelay(40);
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
&control2);
-
-
- control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
-
-
+ if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
+ control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
+ else
+ control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
+ DP(NETIF_MSG_LINK, "params->speed_cap_mask = 0x%x, control2 = 0x%x\n",
+ params->speed_cap_mask, control2);
CL45_WR_OVER_CL22(bp, params->port,
params->phy_addr,
MDIO_REG_BANK_SERDES_DIGITAL,
MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
control2);
- if (phy_flags & PHY_XGXS_FLAG) {
+ if ((phy_flags & PHY_XGXS_FLAG) &&
+ (params->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
DP(NETIF_MSG_LINK, "XGXS\n");
CL45_WR_OVER_CL22(bp, params->port,
params->phy_addr,
MDIO_REG_BANK_CL73_USERB0,
MDIO_CL73_USERB0_CL73_UCTRL,
- MDIO_CL73_USERB0_CL73_UCTRL_USTAT1_MUXSEL);
+ 0xe);
/* Enable BAM Station Manager*/
CL45_WR_OVER_CL22(bp, params->port,
MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
- /* Merge CL73 and CL37 aneg resolution */
- CL45_RD_OVER_CL22(bp, params->port,
- params->phy_addr,
- MDIO_REG_BANK_CL73_USERB0,
- MDIO_CL73_USERB0_CL73_BAM_CTRL3,
- ®_val);
-
- if (params->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) {
- /* Set the CL73 AN speed */
+ /* Advertise CL73 link speeds */
CL45_RD_OVER_CL22(bp, params->port,
params->phy_addr,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV2,
®_val);
+ if (params->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
+ reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
+ if (params->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
+ reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
CL45_WR_OVER_CL22(bp, params->port,
params->phy_addr,
MDIO_REG_BANK_CL73_IEEEB1,
MDIO_CL73_IEEEB1_AN_ADV2,
- reg_val | MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4);
+ reg_val);
- }
/* CL73 Autoneg Enabled */
reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
static void bnx2x_calc_ieee_aneg_adv(struct link_params *params, u16 *ieee_fc)
{
+ struct bnx2x *bp = params->bp;
*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
/* resolve pause mode and advertisement
* Please refer to Table 28B-3 of the 802.3ab-1999 spec */
*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
break;
}
+ DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
}
static void bnx2x_set_ieee_aneg_advertisment(struct link_params *params,
u16 ieee_fc)
{
struct bnx2x *bp = params->bp;
+ u16 val;
/* for AN, we are always publishing full duplex */
CL45_WR_OVER_CL22(bp, params->port,
params->phy_addr,
MDIO_REG_BANK_COMBO_IEEE0,
MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
+ CL45_RD_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_CL73_IEEEB1,
+ MDIO_CL73_IEEEB1_AN_ADV1, &val);
+ val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
+ val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
+ CL45_WR_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_CL73_IEEEB1,
+ MDIO_CL73_IEEEB1_AN_ADV1, val);
}
static void bnx2x_restart_autoneg(struct link_params *params, u8 enable_cl73)
}
}
-static u8 bnx2x_ext_phy_resove_fc(struct link_params *params,
+static u8 bnx2x_ext_phy_resolve_fc(struct link_params *params,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
u8 ext_phy_addr;
- u16 ld_pause; /* local */
- u16 lp_pause; /* link partner */
- u16 an_complete; /* AN complete */
+ u16 ld_pause; /* local */
+ u16 lp_pause; /* link partner */
+ u16 an_complete; /* AN complete */
u16 pause_result;
u8 ret = 0;
u32 ext_phy_type;
MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
pause_result |= (lp_pause &
MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
- DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x \n",
+ DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
pause_result);
bnx2x_pause_resolve(vars, pause_result);
if (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE &&
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
bnx2x_pause_resolve(vars, pause_result);
- DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x \n",
+ DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
pause_result);
}
}
return ret;
}
+static u8 bnx2x_direct_parallel_detect_used(struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ u16 pd_10g, status2_1000x;
+ CL45_RD_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
+ &status2_1000x);
+ CL45_RD_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_SERDES_DIGITAL,
+ MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
+ &status2_1000x);
+ if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
+ DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
+ params->port);
+ return 1;
+ }
+
+ CL45_RD_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_10G_PARALLEL_DETECT,
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
+ &pd_10g);
+
+ if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
+ DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
+ params->port);
+ return 1;
+ }
+ return 0;
+}
static void bnx2x_flow_ctrl_resolve(struct link_params *params,
struct link_vars *vars,
(!(vars->phy_flags & PHY_SGMII_FLAG)) &&
(XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) {
- CL45_RD_OVER_CL22(bp, params->port,
- params->phy_addr,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
- &ld_pause);
- CL45_RD_OVER_CL22(bp, params->port,
- params->phy_addr,
- MDIO_REG_BANK_COMBO_IEEE0,
- MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
- &lp_pause);
- pause_result = (ld_pause &
+ if (bnx2x_direct_parallel_detect_used(params)) {
+ vars->flow_ctrl = params->req_fc_auto_adv;
+ return;
+ }
+ if ((gp_status &
+ (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
+ MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
+ (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
+ MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
+
+ CL45_RD_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_CL73_IEEEB1,
+ MDIO_CL73_IEEEB1_AN_ADV1,
+ &ld_pause);
+ CL45_RD_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_CL73_IEEEB1,
+ MDIO_CL73_IEEEB1_AN_LP_ADV1,
+ &lp_pause);
+ pause_result = (ld_pause &
+ MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
+ >> 8;
+ pause_result |= (lp_pause &
+ MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
+ >> 10;
+ DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
+ pause_result);
+ } else {
+
+ CL45_RD_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
+ &ld_pause);
+ CL45_RD_OVER_CL22(bp, params->port,
+ params->phy_addr,
+ MDIO_REG_BANK_COMBO_IEEE0,
+ MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
+ &lp_pause);
+ pause_result = (ld_pause &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
- pause_result |= (lp_pause &
+ pause_result |= (lp_pause &
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
- DP(NETIF_MSG_LINK, "pause_result 0x%x\n", pause_result);
+ DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
+ pause_result);
+ }
bnx2x_pause_resolve(vars, pause_result);
} else if ((params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
- (bnx2x_ext_phy_resove_fc(params, vars))) {
+ (bnx2x_ext_phy_resolve_fc(params, vars))) {
return;
} else {
if (params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
"link speed unsupported gp_status 0x%x\n",
gp_status);
return -EINVAL;
- break;
+
case GP_STATUS_10G_KX4:
case GP_STATUS_10G_HIG:
case GP_STATUS_10G_CX4:
DP(NETIF_MSG_LINK,
"link speed unsupported gp_status 0x%x\n",
gp_status);
- return -EINVAL;
- break;
+ return -EINVAL;
}
/* Upon link speed change set the NIG into drain mode.
(XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
(XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706) ||
+ (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726))) {
vars->autoneg = AUTO_NEG_ENABLED;
}
}
- DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x \n",
+ DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
gp_status, vars->phy_link_up, vars->line_speed);
DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x"
" autoneg 0x%x\n",
GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
mode);
- bnx2x_set_led(bp, params->port, LED_MODE_OPER,
- line_speed, params->hw_led_mode, params->chip_id);
+ bnx2x_set_led(params, LED_MODE_OPER, line_speed);
return 0;
}
MDIO_PMA_DEVAD,
MDIO_PMA_REG_CTRL,
1<<15);
-
break;
+
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
+ DP(NETIF_MSG_LINK, "XGXS 8072\n");
+
/* Unset Low Power Mode and SW reset */
/* Restore normal power mode*/
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH,
params->port);
- DP(NETIF_MSG_LINK, "XGXS 8072\n");
bnx2x_cl45_write(bp, params->port,
ext_phy_type,
ext_phy_addr,
MDIO_PMA_REG_CTRL,
1<<15);
break;
+
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
- {
+ DP(NETIF_MSG_LINK, "XGXS 8073\n");
/* Restore normal power mode*/
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
MISC_REGISTERS_GPIO_OUTPUT_HIGH,
params->port);
-
- DP(NETIF_MSG_LINK, "XGXS 8073\n");
- }
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
-
/* Restore normal power mode*/
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
MISC_REGISTERS_GPIO_OUTPUT_HIGH,
MDIO_PMA_REG_CTRL,
1<<15);
break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
+ break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
DP(NETIF_MSG_LINK, "XGXS PHY Failure detected\n");
break;
break;
default:
- DP(NETIF_MSG_LINK,
- "BAD SerDes ext_phy_config 0x%x\n",
+ DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n",
params->ext_phy_config);
break;
}
}
}
-
static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
u32 shmem_base, u32 spirom_ver)
{
- DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x\n",
- (u16)(spirom_ver>>16), (u16)spirom_ver);
+ DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
+ (u16)(spirom_ver>>16), (u16)spirom_ver, port);
REG_WR(bp, shmem_base +
offsetof(struct shmem_region,
port_mb[port].ext_phy_fw_version),
u32 shmem_base)
{
u16 fw_ver1, fw_ver2;
+
bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER1, &fw_ver1);
bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, MDIO_PMA_DEVAD,
}
DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
return -EINVAL;
-
}
static void bnx2x_bcm8073_bcm8727_external_rom_boot(struct bnx2x *bp, u8 port,
/* Need to wait 100ms after reset */
msleep(100);
- /* Set serial boot control for external load */
- bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_MISC_CTRL1, 0x0001);
-
/* Micro controller re-boot */
bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
- MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
+ 0x018B);
/* Set soft reset */
bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
MDIO_PMA_REG_GEN_CTRL,
MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
- /* Set PLL register value to be same like in P13 ver */
bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
MDIO_PMA_DEVAD,
- MDIO_PMA_REG_PLL_CTRL,
- 0x73A0);
+ MDIO_PMA_REG_MISC_CTRL1, 0x0001);
- /* Clear soft reset.
- Will automatically reset micro-controller re-boot */
bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_GEN_CTRL,
u8 tx_en)
{
u16 val;
+
DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n",
tx_en, port);
/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
u8 port = params->port;
u8 ext_phy_addr = XGXS_EXT_PHY_ADDR(params->ext_phy_config);
u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
+
if (byte_cnt > 16) {
DP(NETIF_MSG_LINK, "Reading from eeprom is"
" is limited to 0xf\n");
case SFP_EEPROM_CON_TYPE_VAL_COPPER:
{
u8 copper_module_type;
+
/* Check if its active cable( includes SFP+ module)
of passive cable*/
if (bnx2x_read_sfp_module_eeprom(params,
DP(NETIF_MSG_LINK, "Optic module detected\n");
check_limiting_mode = 1;
break;
-
default:
DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
val);
else
vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
- printk(KERN_INFO PFX "Warning: "
- "Unqualified SFP+ module "
- "detected on %s, Port %d from %s part number %s\n"
- , bp->dev->name, params->port,
- vendor_name, vendor_pn);
+ netdev_info(bp->dev, "Warning: Unqualified SFP+ module detected, Port %d from %s part number %s\n",
+ params->port, vendor_name, vendor_pn);
return -EINVAL;
}
struct bnx2x *bp = params->bp;
u32 gpio_val;
u8 port = params->port;
+
/* Set valid module led off */
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
MISC_REGISTERS_GPIO_HIGH,
MDIO_AN_REG_CTRL,
0x0000);
}
+
static void bnx2x_bcm8073_set_xaui_low_power_mode(struct link_params *params)
{
struct bnx2x *bp = params->bp;
static void bnx2x_8073_set_pause_cl37(struct link_params *params,
struct link_vars *vars)
{
-
struct bnx2x *bp = params->bp;
u16 cl37_val;
u8 ext_phy_addr = XGXS_EXT_PHY_ADDR(params->ext_phy_config);
MDIO_PMA_REG_8481_LINK_SIGNAL,
&val1);
/* Set bit 2 to 0, and bits [1:0] to 10 */
- val1 &= ~((1<<0) | (1<<2)); /* Clear bits 0,2*/
- val1 |= (1<<1); /* Set bit 1 */
+ val1 &= ~((1<<0) | (1<<2) | (1<<7)); /* Clear bits 0,2,7*/
+ val1 |= ((1<<1) | (1<<6)); /* Set bit 1, 6 */
bnx2x_cl45_write(bp, params->port,
ext_phy_type,
MDIO_PMA_REG_8481_LED2_MASK,
0);
- /* LED3 (10G/1G/100/10G Activity) */
- bnx2x_cl45_read(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LINK_SIGNAL,
- &val1);
- /* Enable blink based on source 4(Activity) */
- val1 &= ~((1<<7) | (1<<8)); /* Clear bits 7,8 */
- val1 |= (1<<6); /* Set only bit 6 */
+ /* Unmask LED3 for 10G link */
bnx2x_cl45_write(bp, params->port,
ext_phy_type,
ext_phy_addr,
MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LINK_SIGNAL,
- val1);
-
- bnx2x_cl45_read(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_PMA_DEVAD,
MDIO_PMA_REG_8481_LED3_MASK,
- &val1);
- val1 |= (1<<4); /* Unmask LED3 for 10G link */
+ 0x6);
bnx2x_cl45_write(bp, params->port,
ext_phy_type,
ext_phy_addr,
MDIO_PMA_DEVAD,
- MDIO_PMA_REG_8481_LED3_MASK,
- val1);
+ MDIO_PMA_REG_8481_LED3_BLINK,
+ 0);
}
u8 enable_cl73)
{
struct bnx2x *bp = params->bp;
+
if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
if ((XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
bnx2x_set_preemphasis(params);
/* forced speed requested? */
- if (vars->line_speed != SPEED_AUTO_NEG) {
+ if (vars->line_speed != SPEED_AUTO_NEG ||
+ ((XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
+ params->loopback_mode == LOOPBACK_EXT)) {
DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
/* disable autoneg */
u16 ctrl = 0;
u16 val = 0;
u8 rc = 0;
+
if (vars->phy_flags & PHY_XGXS_FLAG) {
ext_phy_addr = XGXS_EXT_PHY_ADDR(params->ext_phy_config);
}
}
/* Force speed */
- /* First enable LASI */
- bnx2x_cl45_write(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_RX_ALARM_CTRL,
- 0x0400);
- bnx2x_cl45_write(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_LASI_CTRL, 0x0004);
-
if (params->req_line_speed == SPEED_10000) {
DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
MDIO_PMA_DEVAD,
MDIO_PMA_REG_DIGITAL_CTRL,
0x400);
+ bnx2x_cl45_write(bp, params->port, ext_phy_type,
+ ext_phy_addr, MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_LASI_CTRL, 1);
} else {
/* Force 1Gbps using autoneg with 1G
advertisment */
MDIO_AN_DEVAD,
MDIO_AN_REG_CTRL,
0x1200);
+ bnx2x_cl45_write(bp, params->port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_RX_ALARM_CTRL,
+ 0x0400);
+ bnx2x_cl45_write(bp, params->port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_LASI_CTRL, 0x0004);
}
bnx2x_save_bcm_spirom_ver(bp, params->port,
SPEED_AUTO_NEG) &&
((params->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))) {
- DP(NETIF_MSG_LINK, "Setting 1G clause37 \n");
+ DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
bnx2x_cl45_write(bp, params->port, ext_phy_type,
ext_phy_addr, MDIO_AN_DEVAD,
MDIO_AN_REG_ADV, 0x20);
bnx2x_8073_set_pause_cl37(params, vars);
if (ext_phy_type ==
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072){
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072)
bnx2x_bcm8072_external_rom_boot(params);
- } else {
-
+ else
/* In case of 8073 with long xaui lines,
don't set the 8073 xaui low power*/
bnx2x_bcm8073_set_xaui_low_power_mode(params);
- }
bnx2x_cl45_read(bp, params->port,
ext_phy_type,
ext_phy_addr,
MDIO_AN_DEVAD,
MDIO_AN_REG_ADV, val);
-
if (ext_phy_type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
-
bnx2x_cl45_read(bp, params->port,
ext_phy_type,
ext_phy_addr,
ext_phy_addr,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_10G_CTRL2, &tmp1);
- DP(NETIF_MSG_LINK, "1.7 = 0x%x \n", tmp1);
+ DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
} else if ((params->req_line_speed ==
SPEED_AUTO_NEG) &&
((params->speed_cap_mask &
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))) {
- DP(NETIF_MSG_LINK, "Setting 1G clause37 \n");
+ DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
bnx2x_cl45_write(bp, params->port, ext_phy_type,
ext_phy_addr, MDIO_AN_DEVAD,
MDIO_PMA_REG_8727_MISC_CTRL, 0);
bnx2x_save_spirom_version(params->bp, params->port,
params->shmem_base,
(u32)(fw_ver1<<16 | fw_ver2));
-
break;
}
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
/* This phy uses the NIG latch mechanism since link
indication arrives through its LED4 and not via
its LASI signal, so we get steady signal
bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
1 << NIG_LATCH_BC_ENABLE_MI_INT);
+ bnx2x_cl45_write(bp, params->port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_CTRL, 0x0000);
+
bnx2x_8481_set_led4(params, ext_phy_type, ext_phy_addr);
if (params->req_line_speed == SPEED_AUTO_NEG) {
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) {
DP(NETIF_MSG_LINK, "Advertising 10G\n");
/* Restart autoneg for 10G*/
- bnx2x_cl45_read(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_CTRL, &val);
- val |= 0x200;
+
bnx2x_cl45_write(bp, params->port,
ext_phy_type,
ext_phy_addr,
MDIO_AN_DEVAD,
- MDIO_AN_REG_CTRL, val);
+ MDIO_AN_REG_CTRL, 0x3200);
}
} else {
/* Force speed */
u16 rx_sd, pcs_status;
u8 ext_phy_link_up = 0;
u8 port = params->port;
+
if (vars->phy_flags & PHY_XGXS_FLAG) {
ext_phy_addr = XGXS_EXT_PHY_ADDR(params->ext_phy_config);
ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
0xc809, &val1);
DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
- ext_phy_link_up = ((rx_sd & 0x1) && (val1 & (1<<9))
- && ((val1 & (1<<8)) == 0));
+ ext_phy_link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) &&
+ ((val1 & (1<<8)) == 0));
if (ext_phy_link_up)
vars->line_speed = SPEED_10000;
break;
break;
}
}
-
if (val2 & (1<<1))
vars->line_speed = SPEED_1000;
else
if ((val1 & (1<<8)) == 0) {
DP(NETIF_MSG_LINK, "8727 Power fault"
- " has been detected on port"
- " %d\n", params->port);
- printk(KERN_ERR PFX "Error: Power"
- " fault on %s Port %d has"
- " been detected and the"
- " power to that SFP+ module"
- " has been removed to prevent"
- " failure of the card. Please"
- " remove the SFP+ module and"
- " restart the system to clear"
- " this error.\n"
- , bp->dev->name, params->port);
+ " has been detected on "
+ "port %d\n",
+ params->port);
+ netdev_err(bp->dev, "Error: Power fault on Port %d has been detected and the power to that SFP+ module has been removed to prevent failure of the card. Please remove the SFP+ module and restart the system to clear this error.\n",
+ params->port);
/*
* Disable all RX_ALARMs except for
* mod_abs
{
u16 link_status = 0;
u16 an1000_status = 0;
+
if (ext_phy_type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) {
bnx2x_cl45_read(bp, params->port,
DP(NETIF_MSG_LINK,
"870x LASI status 0x%x->0x%x\n",
val1, val2);
-
} else {
/* In 8073, port1 is directed through emac0 and
* port0 is directed through emac1
MDIO_PMA_DEVAD,
MDIO_PMA_REG_CDR_BANDWIDTH,
0x0333);
-
-
}
bnx2x_cl45_read(bp, params->port,
ext_phy_type,
}
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
/* Check 10G-BaseT link status */
/* Check PMD signal ok */
bnx2x_cl45_read(bp, params->port, ext_phy_type,
ext_phy_addr);
}
}
-
break;
default:
DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
u32 ext_phy_type;
u32 mask;
struct bnx2x *bp = params->bp;
+
/* setting the status to report on link up
for either XGXS or SerDes */
bnx2x_bits_en(bp,
NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
mask);
- DP(NETIF_MSG_LINK, "port %x, is_xgxs=%x, int_status 0x%x\n", port,
+
+ DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
(params->switch_cfg == SWITCH_CFG_10G),
REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
-
DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
(NIG_STATUS_XGXS0_LINK10G |
NIG_STATUS_XGXS0_LINK_STATUS |
NIG_STATUS_SERDES0_LINK_STATUS));
- if (XGXS_EXT_PHY_TYPE(params->ext_phy_config)
- == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481) {
+ if ((XGXS_EXT_PHY_TYPE(params->ext_phy_config)
+ == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481) ||
+ (XGXS_EXT_PHY_TYPE(params->ext_phy_config)
+ == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823)) {
bnx2x_8481_rearm_latch_signal(bp, port, is_mi_int);
}
if (vars->phy_link_up) {
status = bnx2x_format_ver(spirom_ver, version, len);
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
spirom_ver = ((spirom_ver & 0xF80) >> 7) << 16 |
(spirom_ver & 0x7F);
status = bnx2x_format_ver(spirom_ver, version, len);
}
-u8 bnx2x_set_led(struct bnx2x *bp, u8 port, u8 mode, u32 speed,
- u16 hw_led_mode, u32 chip_id)
+u8 bnx2x_set_led(struct link_params *params, u8 mode, u32 speed)
{
+ u8 port = params->port;
+ u16 hw_led_mode = params->hw_led_mode;
u8 rc = 0;
u32 tmp;
u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+ u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
+ struct bnx2x *bp = params->bp;
DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
speed, hw_led_mode);
break;
case LED_MODE_OPER:
- REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
+ if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
+ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
+ REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
+ } else {
+ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
+ hw_led_mode);
+ }
+
REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 +
port*4, 0);
/* Set blinking rate to ~15.9Hz */
EMAC_WR(bp, EMAC_REG_EMAC_LED,
(tmp & (~EMAC_LED_OVERRIDE)));
- if (!CHIP_IS_E1H(bp) &&
+ if (CHIP_IS_E1(bp) &&
((speed == SPEED_2500) ||
(speed == SPEED_1000) ||
(speed == SPEED_100) ||
u8 rc = 0;
u8 non_ext_phy;
u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
+
/* Activate the external PHY */
bnx2x_ext_phy_reset(params, vars);
if (non_ext_phy ||
(ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
+ (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706) ||
(ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) ||
(params->loopback_mode == LOOPBACK_EXT_PHY)) {
if (params->req_line_speed == SPEED_AUTO_NEG)
u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
-
u32 val;
- DP(NETIF_MSG_LINK, "Phy Initialization started \n");
- DP(NETIF_MSG_LINK, "req_speed = %d, req_flowctrl=%d\n",
- params->req_line_speed, params->req_flow_ctrl);
+
+ DP(NETIF_MSG_LINK, "Phy Initialization started\n");
+ DP(NETIF_MSG_LINK, "req_speed %d, req_flowctrl %d\n",
+ params->req_line_speed, params->req_flow_ctrl);
vars->link_status = 0;
vars->phy_link_up = 0;
vars->link_up = 0;
else
vars->phy_flags = PHY_XGXS_FLAG;
-
/* disable attentions */
bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
(NIG_MASK_XGXS0_LINK_STATUS |
bnx2x_emac_init(params, vars);
if (CHIP_REV_IS_FPGA(bp)) {
+
vars->link_up = 1;
vars->line_speed = SPEED_10000;
vars->duplex = DUPLEX_FULL;
/* enable on E1.5 FPGA */
if (CHIP_IS_E1H(bp)) {
vars->flow_ctrl |=
- (BNX2X_FLOW_CTRL_TX | BNX2X_FLOW_CTRL_RX);
+ (BNX2X_FLOW_CTRL_TX |
+ BNX2X_FLOW_CTRL_RX);
vars->link_status |=
(LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
bnx2x_emac_enable(params, vars, 0);
bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
/* disable drain */
- REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
- + params->port*4, 0);
+ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
/* update shared memory */
bnx2x_update_mng(params, vars->link_status);
} else
if (params->loopback_mode == LOOPBACK_BMAC) {
+
vars->link_up = 1;
vars->line_speed = SPEED_10000;
vars->duplex = DUPLEX_FULL;
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
params->port*4, 0);
+
} else if (params->loopback_mode == LOOPBACK_EMAC) {
+
vars->link_up = 1;
vars->line_speed = SPEED_1000;
vars->duplex = DUPLEX_FULL;
vars->duplex);
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
params->port*4, 0);
+
} else if ((params->loopback_mode == LOOPBACK_XGXS_10) ||
- (params->loopback_mode == LOOPBACK_EXT_PHY)) {
+ (params->loopback_mode == LOOPBACK_EXT_PHY)) {
+
vars->link_up = 1;
vars->line_speed = SPEED_10000;
vars->duplex = DUPLEX_FULL;
REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
params->port*4, 0);
- bnx2x_set_led(bp, params->port, LED_MODE_OPER,
- vars->line_speed, params->hw_led_mode,
- params->chip_id);
-
+ bnx2x_set_led(params, LED_MODE_OPER, vars->line_speed);
} else
/* No loopback */
{
-
bnx2x_phy_deassert(params, vars->phy_flags);
switch (params->switch_cfg) {
case SWITCH_CFG_1G:
if ((params->ext_phy_config &
PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK) ==
PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482) {
- vars->phy_flags |=
- PHY_SGMII_FLAG;
+ vars->phy_flags |= PHY_SGMII_FLAG;
}
val = REG_RD(bp,
default:
DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
return -EINVAL;
- break;
}
DP(NETIF_MSG_LINK, "Phy address = 0x%x\n", params->phy_addr);
u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
u8 reset_ext_phy)
{
-
struct bnx2x *bp = params->bp;
u32 ext_phy_config = params->ext_phy_config;
- u16 hw_led_mode = params->hw_led_mode;
- u32 chip_id = params->chip_id;
u8 port = params->port;
u32 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
u32 val = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_feature_config[params->port].
config));
-
+ DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
/* disable attentions */
-
vars->link_status = 0;
bnx2x_update_mng(params, vars->link_status);
bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
* Hold it as vars low
*/
/* clear link led */
- bnx2x_set_led(bp, port, LED_MODE_OFF, 0, hw_led_mode, chip_id);
+ bnx2x_set_led(params, LED_MODE_OFF, 0);
if (reset_ext_phy) {
switch (ext_phy_type) {
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
bnx2x_8726_reset_phy(bp, params->port, ext_phy_addr);
break;
}
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
+ {
+ u8 ext_phy_addr =
+ XGXS_EXT_PHY_ADDR(params->ext_phy_config);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_CTRL, 0x0000);
+ bnx2x_cl45_write(bp, port,
+ PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_CTRL, 1);
+ break;
+ }
default:
/* HW reset */
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
{
struct bnx2x *bp = params->bp;
u8 port = params->port;
+
DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
- bnx2x_set_led(bp, port, LED_MODE_OFF,
- 0, params->hw_led_mode,
- params->chip_id);
+ bnx2x_set_led(params, LED_MODE_OFF, 0);
/* indicate no mac active */
vars->mac_type = MAC_TYPE_NONE;
struct bnx2x *bp = params->bp;
u8 port = params->port;
u8 rc = 0;
+
vars->link_status |= LINK_STATUS_LINK_UP;
if (link_10g) {
bnx2x_bmac_enable(params, vars, 0);
- bnx2x_set_led(bp, port, LED_MODE_OPER,
- SPEED_10000, params->hw_led_mode,
- params->chip_id);
-
+ bnx2x_set_led(params, LED_MODE_OPER, SPEED_10000);
} else {
- bnx2x_emac_enable(params, vars, 0);
rc = bnx2x_emac_program(params, vars->line_speed,
vars->duplex);
+ bnx2x_emac_enable(params, vars, 0);
+
/* AN complete? */
if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) {
if (!(vars->phy_flags &
if ((ext_phy_type != PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT) &&
(ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) &&
+ (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706) &&
(ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) &&
(ext_phy_link_up && !vars->phy_link_up))
bnx2x_init_internal_phy(params, vars, 0);
u8 ext_phy_addr;
u32 val;
s8 port;
+
/* Use port1 because of the static port-swap */
/* Enable the module detection interrupt */
val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
return 0;
}
+
+static u8 bnx2x_84823_common_init_phy(struct bnx2x *bp, u32 shmem_base)
+{
+ /* HW reset */
+ bnx2x_ext_phy_hw_reset(bp, 1);
+ return 0;
+}
u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base)
{
u8 rc = 0;
/* GPIO1 affects both ports, so there's need to pull
it for single port alone */
rc = bnx2x_8726_common_init_phy(bp, shmem_base);
-
+ break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
+ rc = bnx2x_84823_common_init_phy(bp, shmem_base);
break;
default:
DP(NETIF_MSG_LINK,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff