From 34465a0f7da2d14f35f113c9a31096931cfd257b Mon Sep 17 00:00:00 2001 From: Shrikrishna Khare Date: Mon, 6 Mar 2017 14:55:07 -0800 Subject: [PATCH] net/vmxnet3: update to version 3 With all vmxnet3 version 3 changes incorporated in the vmxnet3 driver, the driver can configure emulation to run at vmxnet3 version 3, provided the emulation advertises support for version 3. This patch also updates release notes. Signed-off-by: Shrikrishna Khare Acked-by: Yong Wang Acked-by: Jin Heo --- doc/guides/rel_notes/release_17_05.rst | 6 ++++++ drivers/net/vmxnet3/vmxnet3_ethdev.c | 6 +++++- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/doc/guides/rel_notes/release_17_05.rst b/doc/guides/rel_notes/release_17_05.rst index 2c76d82d87..0b6c453c4b 100644 --- a/doc/guides/rel_notes/release_17_05.rst +++ b/doc/guides/rel_notes/release_17_05.rst @@ -79,6 +79,12 @@ New Features i40e PMD and its vector PMD enabled by default in powerpc. +* **Added vmxnet3 version 3 support.** + + Added support for vmxnet3 version 3 which includes several + performance enhancements viz. configurable TX data ring, Receive + Data Ring, ability to register memory regions. + Resolved Issues --------------- diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c index bb22b6d23b..ae3efaa085 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c @@ -284,7 +284,11 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev) ver = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_VRRS); PMD_INIT_LOG(DEBUG, "Hardware version : %d", ver); - if (ver & (1 << VMXNET3_REV_2)) { + if (ver & (1 << VMXNET3_REV_3)) { + VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_VRRS, + 1 << VMXNET3_REV_3); + hw->version = VMXNET3_REV_3 + 1; + } else if (ver & (1 << VMXNET3_REV_2)) { VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_VRRS, 1 << VMXNET3_REV_2); hw->version = VMXNET3_REV_2 + 1; -- 2.20.1