Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[cascardo/linux.git] / drivers / net / ethernet / chelsio / cxgb4vf / t4vf_hw.c

diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
index b5622b1..e98248f 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
@@ -640,6 +640,15 @@ int t4vf_bar2_sge_qregs(struct adapter *adapter,
        return 0;
 }
 
+unsigned int t4vf_get_pf_from_vf(struct adapter *adapter)
+{
+       u32 whoami;
+
+       whoami = t4_read_reg(adapter, T4VF_PL_BASE_ADDR + PL_VF_WHOAMI_A);
+       return (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ?
+                       SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami));
+}
+
 /**
  *     t4vf_get_sge_params - retrieve adapter Scatter gather Engine parameters
  *     @adapter: the adapter
@@ -717,7 +726,6 @@ int t4vf_get_sge_params(struct adapter *adapter)
         * read.
         */
        if (!is_t4(adapter->params.chip)) {
-               u32 whoami;
                unsigned int pf, s_hps, s_qpp;
 
                params[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
@@ -741,11 +749,7 @@ int t4vf_get_sge_params(struct adapter *adapter)
                 * register we just read. Do it once here so other code in
                 * the driver can just use it.
                 */
-               whoami = t4_read_reg(adapter,
-                                    T4VF_PL_BASE_ADDR + PL_VF_WHOAMI_A);
-               pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ?
-                       SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami);
-
+               pf = t4vf_get_pf_from_vf(adapter);
                s_hps = (HOSTPAGESIZEPF0_S +
                         (HOSTPAGESIZEPF1_S - HOSTPAGESIZEPF0_S) * pf);
                sge_params->sge_vf_hps =
@@ -1812,3 +1816,50 @@ int t4vf_prep_adapter(struct adapter *adapter)
 
        return 0;
 }
+
+/**
+ *     t4vf_get_vf_mac_acl - Get the MAC address to be set to
+ *                           the VI of this VF.
+ *     @adapter: The adapter
+ *     @pf: The pf associated with vf
+ *     @naddr: the number of ACL MAC addresses returned in addr
+ *     @addr: Placeholder for MAC addresses
+ *
+ *     Find the MAC address to be set to the VF's VI. The requested MAC address
+ *     is from the host OS via callback in the PF driver.
+ */
+int t4vf_get_vf_mac_acl(struct adapter *adapter, unsigned int pf,
+                       unsigned int *naddr, u8 *addr)
+{
+       struct fw_acl_mac_cmd cmd;
+       int ret;
+
+       memset(&cmd, 0, sizeof(cmd));
+       cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_ACL_MAC_CMD) |
+                                   FW_CMD_REQUEST_F |
+                                   FW_CMD_READ_F);
+       cmd.en_to_len16 = cpu_to_be32((unsigned int)FW_LEN16(cmd));
+       ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &cmd);
+       if (ret)
+               return ret;
+
+       if (cmd.nmac < *naddr)
+               *naddr = cmd.nmac;
+
+       switch (pf) {
+       case 3:
+               memcpy(addr, cmd.macaddr3, sizeof(cmd.macaddr3));
+               break;
+       case 2:
+               memcpy(addr, cmd.macaddr2, sizeof(cmd.macaddr2));
+               break;
+       case 1:
+               memcpy(addr, cmd.macaddr1, sizeof(cmd.macaddr1));
+               break;
+       case 0:
+               memcpy(addr, cmd.macaddr0, sizeof(cmd.macaddr0));
+               break;
+       }
+
+       return ret;
+}