lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

qed: Notify of transciever changes

Browse Source 
Handle a new message from the MFW, one that indicate that the transciever
state has changed, and log that into the system logs.

Signed-off-by: Zvi Nachmani <Zvi.Nachmani@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:
Zvi Nachmani 2016-03-09 09:16:25 +02:00 committed by David S. Miller
parent 5529bad98f
commit 334c03b59b
2 changed files with 41 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/net/ethernet/qlogic/qed/qed_hsi.h
View File

@ -3621,6 +3621,9 @@ struct public_port {
u32 fc_npiv_nvram_tbl_addr;
u32 fc_npiv_nvram_tbl_size;
u32 transceiver_data;
#define PMM_TRANSCEIVER_STATE_MASK 0x000000FF
#define PMM_TRANSCEIVER_STATE_SHIFT 0x00000000
#define PMM_TRANSCEIVER_STATE_PRESENT 0x00000001
};
/**************************************/
@ -3955,6 +3958,14 @@ enum MFW_DRV_MSG_TYPE {
MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED,
MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED,
MFW_DRV_MSG_ERROR_RECOVERY,
MFW_DRV_MSG_BW_UPDATE,
MFW_DRV_MSG_S_TAG_UPDATE,
MFW_DRV_MSG_GET_LAN_STATS,
MFW_DRV_MSG_GET_FCOE_STATS,
MFW_DRV_MSG_GET_ISCSI_STATS,
MFW_DRV_MSG_GET_RDMA_STATS,
MFW_DRV_MSG_FAILURE_DETECTED,
MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE,
MFW_DRV_MSG_MAX
};

30
drivers/net/ethernet/qlogic/qed/qed_mcp.c
View File

@ -440,6 +440,33 @@ int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
return 0;
}
static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt)
{
u32 transceiver_state;
transceiver_state = qed_rd(p_hwfn, p_ptt,
p_hwfn->mcp_info->port_addr +
offsetof(struct public_port,
transceiver_data));
DP_VERBOSE(p_hwfn,
(NETIF_MSG_HW | QED_MSG_SP),
"Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
transceiver_state,
(u32)(p_hwfn->mcp_info->port_addr +
offsetof(struct public_port,
transceiver_data)));
transceiver_state = GET_FIELD(transceiver_state,
PMM_TRANSCEIVER_STATE);
if (transceiver_state == PMM_TRANSCEIVER_STATE_PRESENT)
DP_NOTICE(p_hwfn, "Transceiver is present.\n");
else
DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
}
static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
bool b_reset)
@ -649,6 +676,9 @@ int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
case MFW_DRV_MSG_LINK_CHANGE:
qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
break;
case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
break;
default:
DP_NOTICE(p_hwfn, "Unimplemented MFW message %d\n", i);
rc = -EINVAL;