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From: Ouyang Changchun <changchun.ouyang@intel.com>
To: dev@dpdk.org
Date: Wed, 24 Dec 2014 10:56:44 +0800
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Subject: [dpdk-dev] [PATCH v2 2/6] ixgbe: Negotiate VF API version
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Negotiate API version with VF when receiving the IXGBE_VF_API_NEGOTIATE message.
Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
---
lib/librte_pmd_ixgbe/ixgbe_ethdev.h | 1 +
lib/librte_pmd_ixgbe/ixgbe_pf.c | 25 +++++++++++++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/lib/librte_pmd_ixgbe/ixgbe_ethdev.h b/lib/librte_pmd_ixgbe/ixgbe_ethdev.h
index ca99170..730098d 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_ethdev.h
+++ b/lib/librte_pmd_ixgbe/ixgbe_ethdev.h
@@ -159,6 +159,7 @@ struct ixgbe_vf_info {
uint16_t tx_rate[IXGBE_MAX_QUEUE_NUM_PER_VF];
uint16_t vlan_count;
uint8_t spoofchk_enabled;
+ uint8_t api_version;
};
/*
diff --git a/lib/librte_pmd_ixgbe/ixgbe_pf.c b/lib/librte_pmd_ixgbe/ixgbe_pf.c
index 51da1fd..495aff5 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_pf.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_pf.c
@@ -469,6 +469,28 @@ ixgbe_set_vf_lpe(struct rte_eth_dev *dev, __rte_unused uint32_t vf, uint32_t *ms
}
static int
+ixgbe_negotiate_vf_api(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
+{
+ uint32_t api_version = msgbuf[1];
+ struct ixgbe_vf_info *vfinfo =
+ *IXGBE_DEV_PRIVATE_TO_P_VFDATA(dev->data->dev_private);
+
+ switch (api_version) {
+ case ixgbe_mbox_api_10:
+ case ixgbe_mbox_api_11:
+ vfinfo[vf].api_version = (uint8_t)api_version;
+ return 0;
+ default:
+ break;
+ }
+
+ RTE_LOG(ERR, PMD, "Negotiate invalid api version %u from VF %d\n",
+ api_version, vf);
+
+ return -1;
+}
+
+static int
ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf)
{
uint16_t mbx_size = IXGBE_VFMAILBOX_SIZE;
@@ -512,6 +534,9 @@ ixgbe_rcv_msg_from_vf(struct rte_eth_dev *dev, uint16_t vf)
case IXGBE_VF_SET_VLAN:
retval = ixgbe_vf_set_vlan(dev, vf, msgbuf);
break;
+ case IXGBE_VF_API_NEGOTIATE:
+ retval = ixgbe_negotiate_vf_api(dev, vf, msgbuf);
+ break;
default:
PMD_DRV_LOG(DEBUG, "Unhandled Msg %8.8x", (unsigned)msgbuf[0]);
retval = IXGBE_ERR_MBX;
--
1.8.4.2