be2net: implements ethtool function to read eeprom data.
The patch implements a firmware command to fetch the eeprom data.
Signed-off-by: Sarveshwar Bandi <sarveshwarb@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 1b68bd9..b748c19 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -1571,3 +1571,33 @@
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
+
+extern int be_cmd_get_seeprom_data(struct be_adapter *adapter,
+ struct be_dma_mem *nonemb_cmd)
+{
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_seeprom_read *req;
+ struct be_sge *sge;
+ int status;
+
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ req = nonemb_cmd->va;
+ sge = nonembedded_sgl(wrb);
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1,
+ OPCODE_COMMON_SEEPROM_READ);
+
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_SEEPROM_READ, sizeof(*req));
+
+ sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
+ sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
+ sge->len = cpu_to_le32(nonemb_cmd->size);
+
+ status = be_mcc_notify_wait(adapter);
+
+ spin_unlock_bh(&adapter->mcc_lock);
+ return status;
+}