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net/mlx4_core: Dynamic VST to VST vlan/qos changes

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Within VST mode, enable modifying the vlan and/or qos
for a VF without requiring unbind/rebind.

This requires firmware which supports the UPDATE_QP command.
(If the command is not available, we fall back to requiring
unbind/bind to activate these changes).

To avoid race conditions with modify-qp on QPs that are affected
by update-qp, this operation is performed on the comm_wq.

If the update operation succeeds for all the necessary QPs, a
vlan_unregister is performed for the abandoned vlan id.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jack Morgenstein
2013-06-27 19:05:21 +03:00
committed by David S. Miller
parent 4e144d3a80
commit b01978cacf
7 changed files with 319 additions and 11 deletions
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1
include/linux/mlx4/cmd.h
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@@ -111,6 +111,7 @@ enum {
MLX4_CMD_INIT2INIT_QP = 0x2d,
MLX4_CMD_SUSPEND_QP = 0x32,
MLX4_CMD_UNSUSPEND_QP = 0x33,
MLX4_CMD_UPDATE_QP = 0x61,
/* special QP and management commands */
MLX4_CMD_CONF_SPECIAL_QP = 0x23,
MLX4_CMD_MAD_IFC = 0x24,