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bnxt_en: Add unsupported SFP+ module warnings. 

Add the PORT_CONN_NOT_ALLOWED async event handling logic.  The driver
will print an appropriate warning to reflect the SFP+ module enforcement
policy done in the firmware.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2016-04-05 14:09:01 -04:00 committed by David S. Miller
parent 25be862370
commit 4bb13abf20
2 changed files with 58 additions and 0 deletions
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55
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -121,6 +121,7 @@ static const u16 bnxt_vf_req_snif[] = {
static const u16 bnxt_async_events_arr[] = { static const u16 bnxt_async_events_arr[] = {
HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE, HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE,
HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD, HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD,
HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED,
}; };
static bool bnxt_vf_pciid(enum board_idx idx) static bool bnxt_vf_pciid(enum board_idx idx)
@ -1236,6 +1237,19 @@ next_rx_no_prod:
return rc; return rc;
} }
#define BNXT_GET_EVENT_PORT(data) \
((data) & \
HWRM_ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_PORT_ID_MASK)
#define BNXT_EVENT_POLICY_MASK \
HWRM_ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_ENFORCEMENT_POLICY_MASK
#define BNXT_EVENT_POLICY_SFT \
HWRM_ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_ENFORCEMENT_POLICY_SFT
#define BNXT_GET_EVENT_POLICY(data) \
(((data) & BNXT_EVENT_POLICY_MASK) >> BNXT_EVENT_POLICY_SFT)
static int bnxt_async_event_process(struct bnxt *bp, static int bnxt_async_event_process(struct bnxt *bp,
struct hwrm_async_event_cmpl *cmpl) struct hwrm_async_event_cmpl *cmpl)
{ {
@ -1249,6 +1263,22 @@ static int bnxt_async_event_process(struct bnxt *bp,
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
set_bit(BNXT_HWRM_PF_UNLOAD_SP_EVENT, &bp->sp_event); set_bit(BNXT_HWRM_PF_UNLOAD_SP_EVENT, &bp->sp_event);
break; break;
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED: {
u32 data1 = le32_to_cpu(cmpl->event_data1);
u16 port_id = BNXT_GET_EVENT_PORT(data1);
if (BNXT_VF(bp))
break;
if (bp->pf.port_id != port_id)
break;
bp->link_info.last_port_module_event =
BNXT_GET_EVENT_POLICY(data1);
set_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event);
break;
}
default: default:
netdev_err(bp->dev, "unhandled ASYNC event (id 0x%x)\n", netdev_err(bp->dev, "unhandled ASYNC event (id 0x%x)\n",
event_id); event_id);
@ -5447,6 +5477,28 @@ bnxt_restart_timer:
mod_timer(&bp->timer, jiffies + bp->current_interval); mod_timer(&bp->timer, jiffies + bp->current_interval);
} }
static void bnxt_port_module_event(struct bnxt *bp)
{
struct bnxt_link_info *link_info = &bp->link_info;
struct hwrm_port_phy_qcfg_output *resp = &link_info->phy_qcfg_resp;
if (bnxt_update_link(bp, true))
return;
if (link_info->last_port_module_event != 0) {
netdev_warn(bp->dev, "Unqualified SFP+ module detected on port %d\n",
bp->pf.port_id);
if (bp->hwrm_spec_code >= 0x10201) {
netdev_warn(bp->dev, "Module part number %s\n",
resp->phy_vendor_partnumber);
}
}
if (link_info->last_port_module_event == 1)
netdev_warn(bp->dev, "TX is disabled\n");
if (link_info->last_port_module_event == 3)
netdev_warn(bp->dev, "Shutdown SFP+ module\n");
}
static void bnxt_cfg_ntp_filters(struct bnxt *); static void bnxt_cfg_ntp_filters(struct bnxt *);
static void bnxt_sp_task(struct work_struct *work) static void bnxt_sp_task(struct work_struct *work)
@ -5494,6 +5546,9 @@ static void bnxt_sp_task(struct work_struct *work)
rtnl_unlock(); rtnl_unlock();
} }
if (test_and_clear_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event))
bnxt_port_module_event(bp);
if (test_and_clear_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event)) if (test_and_clear_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event))
bnxt_hwrm_port_qstats(bp); bnxt_hwrm_port_qstats(bp);

3
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -825,6 +825,8 @@ struct bnxt_link_info {
u16 req_link_speed; u16 req_link_speed;
u32 advertising; u32 advertising;
bool force_link_chng; bool force_link_chng;
u8 last_port_module_event;
/* a copy of phy_qcfg output used to report link /* a copy of phy_qcfg output used to report link
* info to VF * info to VF
*/ */
@ -992,6 +994,7 @@ struct bnxt {
#define BNXT_RST_RING_SP_EVENT 7 #define BNXT_RST_RING_SP_EVENT 7
#define BNXT_HWRM_PF_UNLOAD_SP_EVENT 8 #define BNXT_HWRM_PF_UNLOAD_SP_EVENT 8
#define BNXT_PERIODIC_STATS_SP_EVENT 9 #define BNXT_PERIODIC_STATS_SP_EVENT 9
#define BNXT_HWRM_PORT_MODULE_SP_EVENT 10
struct bnxt_pf_info pf; struct bnxt_pf_info pf;
#ifdef CONFIG_BNXT_SRIOV #ifdef CONFIG_BNXT_SRIOV