Merge remote-tracking branches 'spi/topic/octeon', 'spi/topic/omap2-mcspi', 'spi...

[cascardo/linux.git] / drivers / net / ethernet / chelsio / cxgb4 / t4_hw.c

diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index c7efb11..71586a3 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -6949,6 +6949,39 @@ int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
        return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
 }
 
+/**
+ *     t4_iq_stop - stop an ingress queue and its FLs
+ *     @adap: the adapter
+ *     @mbox: mailbox to use for the FW command
+ *     @pf: the PF owning the queues
+ *     @vf: the VF owning the queues
+ *     @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
+ *     @iqid: ingress queue id
+ *     @fl0id: FL0 queue id or 0xffff if no attached FL0
+ *     @fl1id: FL1 queue id or 0xffff if no attached FL1
+ *
+ *     Stops an ingress queue and its associated FLs, if any.  This causes
+ *     any current or future data/messages destined for these queues to be
+ *     tossed.
+ */
+int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
+              unsigned int vf, unsigned int iqtype, unsigned int iqid,
+              unsigned int fl0id, unsigned int fl1id)
+{
+       struct fw_iq_cmd c;
+
+       memset(&c, 0, sizeof(c));
+       c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_IQ_CMD) | FW_CMD_REQUEST_F |
+                                 FW_CMD_EXEC_F | FW_IQ_CMD_PFN_V(pf) |
+                                 FW_IQ_CMD_VFN_V(vf));
+       c.alloc_to_len16 = cpu_to_be32(FW_IQ_CMD_IQSTOP_F | FW_LEN16(c));
+       c.type_to_iqandstindex = cpu_to_be32(FW_IQ_CMD_TYPE_V(iqtype));
+       c.iqid = cpu_to_be16(iqid);
+       c.fl0id = cpu_to_be16(fl0id);
+       c.fl1id = cpu_to_be16(fl1id);
+       return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
+}
+
 /**
  *     t4_iq_free - free an ingress queue and its FLs
  *     @adap: the adapter