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Commit 334c03b5 authored by Zvi Nachmani's avatar Zvi Nachmani Committed by David S. Miller
Browse files

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: default avatarZvi Nachmani <Zvi.Nachmani@qlogic.com>
Signed-off-by: default avatarYuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5529bad9

drivers/net/ethernet/qlogic/qed/qed_hsi.h

+11 −0
Original line number Diff line number Diff line
@@ -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

};

drivers/net/ethernet/qlogic/qed/qed_mcp.c

+30 −0
Original line number Diff line number Diff line
@@ -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;