qed: Notify of transciever changes

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>

diff --git a/drivers/net/ethernet/qlogic/qed/qed_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
index 236db8a99ec370306f349ba01dac22cc180c1646..a368f5e71d958bd1979236e9022dae07843479e0 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_hsi.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
@@ -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
 };
 

diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index 6937c88fef4d4b6ceda9b70df91e77ada2930a66..39c831d6ead378e91cf3ad872e15d65fdcf76760 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -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;