X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fixgbe%2Fixgbe_pf.c;h=fbf2b17d160f6bacf1f06bc55d631b347655e35d;hb=89d2a1061df5b874a41739b146693b0d542aebd4;hp=ed5f96b1a4c23e31c5959a11a470d12cc15f4f06;hpb=5723fbed4f969bb69b32927a138b272fb002fba1;p=dpdk.git

diff --git a/drivers/net/ixgbe/ixgbe_pf.c b/drivers/net/ixgbe/ixgbe_pf.c
index ed5f96b1a4..fbf2b17d16 100644
--- a/drivers/net/ixgbe/ixgbe_pf.c
+++ b/drivers/net/ixgbe/ixgbe_pf.c
@@ -15,7 +15,7 @@
 #include <rte_debug.h>
 #include <rte_eal.h>
 #include <rte_ether.h>
-#include <rte_ethdev_driver.h>
+#include <ethdev_driver.h>
 #include <rte_memcpy.h>
 #include <rte_malloc.h>
 #include <rte_random.h>
@@ -66,7 +66,7 @@ ixgbe_mb_intr_setup(struct rte_eth_dev *dev)
 	return 0;
 }
 
-void ixgbe_pf_host_init(struct rte_eth_dev *eth_dev)
+int ixgbe_pf_host_init(struct rte_eth_dev *eth_dev)
 {
 	struct ixgbe_vf_info **vfinfo =
 		IXGBE_DEV_PRIVATE_TO_P_VFDATA(eth_dev->data->dev_private);
@@ -78,19 +78,30 @@ void ixgbe_pf_host_init(struct rte_eth_dev *eth_dev)
 		IXGBE_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
 	uint16_t vf_num;
 	uint8_t nb_queue;
+	int ret = 0;
 
 	PMD_INIT_FUNC_TRACE();
 
 	RTE_ETH_DEV_SRIOV(eth_dev).active = 0;
 	vf_num = dev_num_vf(eth_dev);
 	if (vf_num == 0)
-		return;
+		return ret;
 
 	*vfinfo = rte_zmalloc("vf_info", sizeof(struct ixgbe_vf_info) * vf_num, 0);
-	if (*vfinfo == NULL)
-		rte_panic("Cannot allocate memory for private VF data\n");
+	if (*vfinfo == NULL) {
+		PMD_INIT_LOG(ERR,
+			"Cannot allocate memory for private VF data");
+		return -ENOMEM;
+	}
 
-	rte_eth_switch_domain_alloc(&(*vfinfo)->switch_domain_id);
+	ret = rte_eth_switch_domain_alloc(&(*vfinfo)->switch_domain_id);
+	if (ret) {
+		PMD_INIT_LOG(ERR,
+			"failed to allocate switch domain for device %d", ret);
+		rte_free(*vfinfo);
+		*vfinfo = NULL;
+		return ret;
+	}
 
 	memset(mirror_info, 0, sizeof(struct ixgbe_mirror_info));
 	memset(uta_info, 0, sizeof(struct ixgbe_uta_info));
@@ -118,6 +129,8 @@ void ixgbe_pf_host_init(struct rte_eth_dev *eth_dev)
 
 	/* set mb interrupt mask */
 	ixgbe_mb_intr_setup(eth_dev);
+
+	return ret;
 }
 
 void ixgbe_pf_host_uninit(struct rte_eth_dev *eth_dev)
@@ -539,20 +552,47 @@ ixgbe_vf_set_vlan(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
 }
 
 static int
-ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *msgbuf)
+ixgbe_set_vf_lpe(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
 {
 	struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-	uint32_t new_mtu = msgbuf[1];
+	uint32_t max_frame = msgbuf[1];
 	uint32_t max_frs;
 	uint32_t hlreg0;
-	int max_frame = new_mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
 
 	/* X540 and X550 support jumbo frames in IOV mode */
 	if (hw->mac.type != ixgbe_mac_X540 &&
 		hw->mac.type != ixgbe_mac_X550 &&
 		hw->mac.type != ixgbe_mac_X550EM_x &&
-		hw->mac.type != ixgbe_mac_X550EM_a)
-		return -1;
+		hw->mac.type != ixgbe_mac_X550EM_a) {
+		struct ixgbe_vf_info *vfinfo =
+			*IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private);
+
+		switch (vfinfo[vf].api_version) {
+		case ixgbe_mbox_api_11:
+		case ixgbe_mbox_api_12:
+		case ixgbe_mbox_api_13:
+			 /**
+			  * Version 1.1&1.2&1.3 supports jumbo frames on VFs
+			  * if PF has jumbo frames enabled which means legacy
+			  * VFs are disabled.
+			  */
+			if (dev->data->dev_conf.rxmode.max_rx_pkt_len >
+			    IXGBE_ETH_MAX_LEN)
+				break;
+			/* fall through */
+		default:
+			/**
+			 * If the PF or VF are running w/ jumbo frames enabled,
+			 * we return -1 as we cannot support jumbo frames on
+			 * legacy VFs.
+			 */
+			if (max_frame > IXGBE_ETH_MAX_LEN ||
+			    dev->data->dev_conf.rxmode.max_rx_pkt_len >
+			    IXGBE_ETH_MAX_LEN)
+				return -1;
+			break;
+		}
+	}
 
 	if (max_frame < RTE_ETHER_MIN_LEN ||
 			max_frame > RTE_ETHER_MAX_JUMBO_FRAME_LEN)
@@ -560,9 +600,9 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *ms
 
 	max_frs = (IXGBE_READ_REG(hw, IXGBE_MAXFRS) &
 		   IXGBE_MHADD_MFS_MASK) >> IXGBE_MHADD_MFS_SHIFT;
-	if (max_frs < new_mtu) {
+	if (max_frs < max_frame) {
 		hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
-		if (new_mtu > RTE_ETHER_MAX_LEN) {
+		if (max_frame > IXGBE_ETH_MAX_LEN) {
 			dev->data->dev_conf.rxmode.offloads |=
 				DEV_RX_OFFLOAD_JUMBO_FRAME;
 			hlreg0 |= IXGBE_HLREG0_JUMBOEN;
@@ -573,7 +613,7 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *ms
 		}
 		IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
 
-		max_frs = new_mtu << IXGBE_MHADD_MFS_SHIFT;
+		max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT;
 		IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs);
 	}