hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

bnx2x: Fix link problems for 1G SFP RJ45 module 

When 1G SFP RJ45 module is detected, driver must reset the Tx laser
in order to prevent link issues. As part of change, the link_attr_sync
was relocated from vars to params.

Signed-off-by: Yaniv Rosner <Yaniv.Rosner@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yaniv Rosner 2014-09-04 13:26:00 +03:00 committed by David S. Miller
parent 98ea232cf6
commit 6e9e564437
3 changed files with 50 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
View File

@ -2233,7 +2233,12 @@ struct shmem2_region {
u32 reserved3; /* Offset 0x14C */
u32 reserved4; /* Offset 0x150 */
u32 link_attr_sync[PORT_MAX]; /* Offset 0x154 */
#define LINK_ATTR_SYNC_KR2_ENABLE (1<<0)
#define LINK_ATTR_SYNC_KR2_ENABLE 0x00000001
#define LINK_SFP_EEPROM_COMP_CODE_MASK 0x0000ff00
#define LINK_SFP_EEPROM_COMP_CODE_SHIFT 8
#define LINK_SFP_EEPROM_COMP_CODE_SR 0x00001000
#define LINK_SFP_EEPROM_COMP_CODE_LR 0x00002000
#define LINK_SFP_EEPROM_COMP_CODE_LRM 0x00004000
u32 reserved5[2];
u32 reserved6[PORT_MAX];

74
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
View File

@ -154,15 +154,22 @@ typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
#define SFP_EEPROM_CON_TYPE_ADDR 0x2
#define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN 0x0
#define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
#define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
#define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
#define SFP_EEPROM_COMP_CODE_ADDR 0x3
#define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
#define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
#define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
#define SFP_EEPROM_10G_COMP_CODE_ADDR 0x3
#define SFP_EEPROM_10G_COMP_CODE_SR_MASK (1<<4)
#define SFP_EEPROM_10G_COMP_CODE_LR_MASK (1<<5)
#define SFP_EEPROM_10G_COMP_CODE_LRM_MASK (1<<6)
#define SFP_EEPROM_1G_COMP_CODE_ADDR 0x6
#define SFP_EEPROM_1G_COMP_CODE_SX (1<<0)
#define SFP_EEPROM_1G_COMP_CODE_LX (1<<1)
#define SFP_EEPROM_1G_COMP_CODE_CX (1<<2)
#define SFP_EEPROM_1G_COMP_CODE_BASE_T (1<<3)
#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
#define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
@ -3633,8 +3640,8 @@ static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
reg_set[i].val);
/* Start KR2 work-around timer which handles BCM8073 link-parner */
vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
bnx2x_update_link_attr(params, vars->link_attr_sync);
params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
bnx2x_update_link_attr(params, params->link_attr_sync);
}
static void bnx2x_disable_kr2(struct link_params *params,
@ -3666,8 +3673,8 @@ static void bnx2x_disable_kr2(struct link_params *params,
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
reg_set[i].val);
vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
bnx2x_update_link_attr(params, vars->link_attr_sync);
params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
bnx2x_update_link_attr(params, params->link_attr_sync);
vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
}
@ -4810,7 +4817,7 @@ void bnx2x_link_status_update(struct link_params *params,
~FEATURE_CONFIG_PFC_ENABLED;
if (SHMEM2_HAS(bp, link_attr_sync))
vars->link_attr_sync = SHMEM2_RD(bp,
params->link_attr_sync = SHMEM2_RD(bp,
link_attr_sync[params->port]);
DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
@ -8057,21 +8064,24 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
{
struct bnx2x *bp = params->bp;
u32 sync_offset = 0, phy_idx, media_types;
u8 gport, val[2], check_limiting_mode = 0;
u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
*edc_mode = EDC_MODE_LIMITING;
phy->media_type = ETH_PHY_UNSPECIFIED;
/* First check for copper cable */
if (bnx2x_read_sfp_module_eeprom(phy,
params,
I2C_DEV_ADDR_A0,
SFP_EEPROM_CON_TYPE_ADDR,
2,
0,
SFP_EEPROM_FC_TX_TECH_ADDR + 1,
(u8 *)val) != 0) {
DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
return -EINVAL;
}
switch (val[0]) {
params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
LINK_SFP_EEPROM_COMP_CODE_SHIFT;
bnx2x_update_link_attr(params, params->link_attr_sync);
switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
case SFP_EEPROM_CON_TYPE_VAL_COPPER:
{
u8 copper_module_type;
@ -8079,17 +8089,7 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
/* Check if its active cable (includes SFP+ module)
* of passive cable
*/
if (bnx2x_read_sfp_module_eeprom(phy,
params,
I2C_DEV_ADDR_A0,
SFP_EEPROM_FC_TX_TECH_ADDR,
1,
&copper_module_type) != 0) {
DP(NETIF_MSG_LINK,
"Failed to read copper-cable-type"
" from SFP+ EEPROM\n");
return -EINVAL;
}
copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
if (copper_module_type &
SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
@ -8115,16 +8115,18 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
}
break;
}
case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
case SFP_EEPROM_CON_TYPE_VAL_LC:
case SFP_EEPROM_CON_TYPE_VAL_RJ45:
check_limiting_mode = 1;
if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
SFP_EEPROM_COMP_CODE_LR_MASK |
SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
if ((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
(SFP_EEPROM_10G_COMP_CODE_SR_MASK |
SFP_EEPROM_10G_COMP_CODE_LR_MASK |
SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) {
DP(NETIF_MSG_LINK, "1G SFP module detected\n");
gport = params->port;
phy->media_type = ETH_PHY_SFP_1G_FIBER;
if (phy->req_line_speed != SPEED_1000) {
u8 gport = params->port;
phy->req_line_speed = SPEED_1000;
if (!CHIP_IS_E1x(bp)) {
gport = BP_PATH(bp) +
@ -8134,6 +8136,12 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
"Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
gport);
}
if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
SFP_EEPROM_1G_COMP_CODE_BASE_T) {
bnx2x_sfp_set_transmitter(params, phy, 0);
msleep(40);
bnx2x_sfp_set_transmitter(params, phy, 1);
}
} else {
int idx, cfg_idx = 0;
DP(NETIF_MSG_LINK, "10G Optic module detected\n");
@ -8149,7 +8157,7 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
break;
default:
DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
val[0]);
val[SFP_EEPROM_CON_TYPE_ADDR]);
return -EINVAL;
}
sync_offset = params->shmem_base +
@ -13507,7 +13515,7 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
sigdet = bnx2x_warpcore_get_sigdet(phy, params);
if (!sigdet) {
if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
bnx2x_kr2_recovery(params, vars, phy);
DP(NETIF_MSG_LINK, "No sigdet\n");
}
@ -13525,7 +13533,7 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
/* CL73 has not begun yet */
if (base_page == 0) {
if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
bnx2x_kr2_recovery(params, vars, phy);
DP(NETIF_MSG_LINK, "No BP\n");
}
@ -13541,7 +13549,7 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
((next_page & 0xe0) == 0x20))));
/* In case KR2 is already disabled, check if we need to re-enable it */
if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
if (!not_kr2_device) {
DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
next_page);

5
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h
View File

@ -323,6 +323,9 @@ struct link_params {
#define LINK_FLAGS_INT_DISABLED (1<<0)
#define PHY_INITIALIZED (1<<1)
u32 lfa_base;
/* The same definitions as the shmem2 parameter */
u32 link_attr_sync;
};
/* Output parameters */
@ -364,8 +367,6 @@ struct link_vars {
u8 rx_tx_asic_rst;
u8 turn_to_run_wc_rt;
u16 rsrv2;
/* The same definitions as the shmem2 parameter */
u32 link_attr_sync;
};
/***********************************************************/