[PATCH v4 10/29] ixgbe/base: clear stale pool mappings
From: Beilei Xing <hidden>
Date: 2016-06-23 07:23:10
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
This patch adds clearing the pool mappings when configuring default MAC addresses for the interface. Without this there will be the risk of leaking an address into pool 0 which really belongs to VF 0 when SR-IOV is enabled. Signed-off-by: Beilei Xing <redacted> --- drivers/net/ixgbe/base/ixgbe_82599.c | 9 ++++++--- drivers/net/ixgbe/base/ixgbe_common.c | 7 ++++--- drivers/net/ixgbe/base/ixgbe_x540.c | 9 ++++++--- 3 files changed, 16 insertions(+), 9 deletions(-)
diff --git a/drivers/net/ixgbe/base/ixgbe_82599.c b/drivers/net/ixgbe/base/ixgbe_82599.c
index 154c1f1..5bc7c2b 100644
--- a/drivers/net/ixgbe/base/ixgbe_82599.c
+++ b/drivers/net/ixgbe/base/ixgbe_82599.c@@ -1176,11 +1176,14 @@ mac_reset_top: /* Add the SAN MAC address to the RAR only if it's a valid address */ if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) { - hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1, - hw->mac.san_addr, 0, IXGBE_RAH_AV); - /* Save the SAN MAC RAR index */ hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1; + hw->mac.ops.set_rar(hw, hw->mac.san_mac_rar_index, + hw->mac.san_addr, 0, IXGBE_RAH_AV); + + /* clear VMDq pool/queue selection for this RAR */ + hw->mac.ops.clear_vmdq(hw, hw->mac.san_mac_rar_index, + IXGBE_CLEAR_VMDQ_ALL); /* Reserve the last RAR for the SAN MAC address */ hw->mac.num_rar_entries--;
diff --git a/drivers/net/ixgbe/base/ixgbe_common.c b/drivers/net/ixgbe/base/ixgbe_common.c
index 82a8416..d211303 100644
--- a/drivers/net/ixgbe/base/ixgbe_common.c
+++ b/drivers/net/ixgbe/base/ixgbe_common.c@@ -2406,10 +2406,11 @@ s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw) hw->mac.addr[4], hw->mac.addr[5]); hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV); - - /* clear VMDq pool/queue selection for RAR 0 */ - hw->mac.ops.clear_vmdq(hw, 0, IXGBE_CLEAR_VMDQ_ALL); } + + /* clear VMDq pool/queue selection for RAR 0 */ + hw->mac.ops.clear_vmdq(hw, 0, IXGBE_CLEAR_VMDQ_ALL); + hw->addr_ctrl.overflow_promisc = 0; hw->addr_ctrl.rar_used_count = 1;
diff --git a/drivers/net/ixgbe/base/ixgbe_x540.c b/drivers/net/ixgbe/base/ixgbe_x540.c
index 9ade1b5..0678913 100644
--- a/drivers/net/ixgbe/base/ixgbe_x540.c
+++ b/drivers/net/ixgbe/base/ixgbe_x540.c@@ -268,11 +268,14 @@ mac_reset_top: /* Add the SAN MAC address to the RAR only if it's a valid address */ if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) { - hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1, - hw->mac.san_addr, 0, IXGBE_RAH_AV); - /* Save the SAN MAC RAR index */ hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1; + hw->mac.ops.set_rar(hw, hw->mac.san_mac_rar_index, + hw->mac.san_addr, 0, IXGBE_RAH_AV); + + /* clear VMDq pool/queue selection for this RAR */ + hw->mac.ops.clear_vmdq(hw, hw->mac.san_mac_rar_index, + IXGBE_CLEAR_VMDQ_ALL); /* Reserve the last RAR for the SAN MAC address */ hw->mac.num_rar_entries--;
--
2.5.0