X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fcxgbe%2Fcxgbe_main.c;h=c3938e8db219925bd65aec95c93de6f9e8317002;hb=2a1a8a5f766a10ecb86514b7dbefd41694f7e47a;hp=08b2a42d11ee59ba04dd07a1bf5f32bbaa64a49c;hpb=41dc98b0827a486b929bbea3dff18771d8bf3414;p=dpdk.git

diff --git a/drivers/net/cxgbe/cxgbe_main.c b/drivers/net/cxgbe/cxgbe_main.c
index 08b2a42d11..c3938e8db2 100644
--- a/drivers/net/cxgbe/cxgbe_main.c
+++ b/drivers/net/cxgbe/cxgbe_main.c
@@ -513,7 +513,7 @@ void cfg_queues(struct rte_eth_dev *eth_dev)
 		 * We default up to # of cores queues per 1G/10G port.
 		 */
 		if (nb_ports)
-			q_per_port = (MAX_ETH_QSETS -
+			q_per_port = (s->max_ethqsets -
 				     (adap->params.nports - nb_ports)) /
 				     nb_ports;
 
@@ -537,8 +537,6 @@ void cfg_queues(struct rte_eth_dev *eth_dev)
 			qidx += pi->n_rx_qsets;
 		}
 
-		s->max_ethqsets = qidx;
-
 		for (i = 0; i < ARRAY_SIZE(s->ethrxq); i++) {
 			struct sge_eth_rxq *r = &s->ethrxq[i];
 
@@ -770,6 +768,40 @@ static void configure_pcie_ext_tag(struct adapter *adapter)
 	}
 }
 
+/* Figure out how many Queue Sets we can support */
+void configure_max_ethqsets(struct adapter *adapter)
+{
+	unsigned int ethqsets;
+
+	/*
+	 * We need to reserve an Ingress Queue for the Asynchronous Firmware
+	 * Event Queue.
+	 *
+	 * For each Queue Set, we'll need the ability to allocate two Egress
+	 * Contexts -- one for the Ingress Queue Free List and one for the TX
+	 * Ethernet Queue.
+	 */
+	if (is_pf4(adapter)) {
+		struct pf_resources *pfres = &adapter->params.pfres;
+
+		ethqsets = pfres->niqflint - 1;
+		if (pfres->neq < ethqsets * 2)
+			ethqsets = pfres->neq / 2;
+	} else {
+		struct vf_resources *vfres = &adapter->params.vfres;
+
+		ethqsets = vfres->niqflint - 1;
+		if (vfres->nethctrl != ethqsets)
+			ethqsets = min(vfres->nethctrl, ethqsets);
+		if (vfres->neq < ethqsets * 2)
+			ethqsets = vfres->neq / 2;
+	}
+
+	if (ethqsets > MAX_ETH_QSETS)
+		ethqsets = MAX_ETH_QSETS;
+	adapter->sge.max_ethqsets = ethqsets;
+}
+
 /*
  * Tweak configuration based on system architecture, etc.  Most of these have
  * defaults assigned to them by Firmware Configuration Files (if we're using
@@ -1051,6 +1083,17 @@ static int adap_init0(struct adapter *adap)
 		goto bye;
 	}
 
+	/* Now that we've successfully configured and initialized the adapter
+	 * (or found it already initialized), we can ask the Firmware what
+	 * resources it has provisioned for us.
+	 */
+	ret = t4_get_pfres(adap);
+	if (ret) {
+		dev_err(adap->pdev_dev,
+			"Unable to retrieve resource provisioning info\n");
+		goto bye;
+	}
+
 	/* Find out what ports are available to us. */
 	v = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
 	    V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_PORTVEC);
@@ -1201,6 +1244,7 @@ static int adap_init0(struct adapter *adap)
 	t4_init_tp_params(adap);
 	configure_pcie_ext_tag(adap);
 	configure_vlan_types(adap);
+	configure_max_ethqsets(adap);
 
 	adap->params.drv_memwin = MEMWIN_NIC;
 	adap->flags |= FW_OK;
@@ -1341,7 +1385,7 @@ int cxgbe_write_rss_conf(const struct port_info *pi, uint64_t rss_hf)
 	if (rss_hf & ~CXGBE_RSS_HF_ALL)
 		return -EINVAL;
 
-	if (rss_hf & ETH_RSS_IPV4)
+	if (rss_hf & CXGBE_RSS_HF_IPV4_MASK)
 		flags |= F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN;
 
 	if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
@@ -1351,14 +1395,16 @@ int cxgbe_write_rss_conf(const struct port_info *pi, uint64_t rss_hf)
 		flags |= F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN |
 			 F_FW_RSS_VI_CONFIG_CMD_UDPEN;
 
-	if (rss_hf & ETH_RSS_IPV6)
+	if (rss_hf & CXGBE_RSS_HF_IPV6_MASK)
 		flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN;
 
-	if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
-		flags |= F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN;
+	if (rss_hf & CXGBE_RSS_HF_TCP_IPV6_MASK)
+		flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN |
+			 F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN;
 
-	if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
-		flags |= F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN |
+	if (rss_hf & CXGBE_RSS_HF_UDP_IPV6_MASK)
+		flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN |
+			 F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN |
 			 F_FW_RSS_VI_CONFIG_CMD_UDPEN;
 
 	rxq = &adapter->sge.ethrxq[pi->first_qset];
@@ -1572,6 +1618,30 @@ void cxgbe_get_speed_caps(struct port_info *pi, u32 *speed_caps)
 		*speed_caps |= ETH_LINK_SPEED_FIXED;
 }
 
+/**
+ * cxgbe_set_link_status - Set device link up or down.
+ * @pi: Underlying port's info
+ * @status: 0 - down, 1 - up
+ *
+ * Set the device link up or down.
+ */
+int cxgbe_set_link_status(struct port_info *pi, bool status)
+{
+	struct adapter *adapter = pi->adapter;
+	int err = 0;
+
+	err = t4_enable_vi(adapter, adapter->mbox, pi->viid, status, status);
+	if (err) {
+		dev_err(adapter, "%s: disable_vi failed: %d\n", __func__, err);
+		return err;
+	}
+
+	if (!status)
+		t4_reset_link_config(adapter, pi->pidx);
+
+	return 0;
+}
+
 /**
  * cxgb_up - enable the adapter
  * @adap: adapter being enabled
@@ -1597,17 +1667,7 @@ int cxgbe_up(struct adapter *adap)
  */
 int cxgbe_down(struct port_info *pi)
 {
-	struct adapter *adapter = pi->adapter;
-	int err = 0;
-
-	err = t4_enable_vi(adapter, adapter->mbox, pi->viid, false, false);
-	if (err) {
-		dev_err(adapter, "%s: disable_vi failed: %d\n", __func__, err);
-		return err;
-	}
-
-	t4_reset_link_config(adapter, pi->pidx);
-	return 0;
+	return cxgbe_set_link_status(pi, false);
 }
 
 /*