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authorGreg Rose <gregory.v.rose@intel.com>2011-03-12 06:56:02 -0500
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-04-13 22:15:50 -0400
commit7c158399c21e4eabb33965a5fc689ebbd2ded4f6 (patch)
tree825b471b130b2317444f90a1b410693180ee82bf /Documentation/networking
parentc326de88b8ac7ed1cd1027017ba6079dbe91be49 (diff)
igb: Add anti-spoofing feature documentation
Add the documentation for the anti-spoofing feature in the HW. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/igb.txt13
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/networking/igb.txt b/Documentation/networking/igb.txt
index 98953c0d5342..9a2a037194a5 100644
--- a/Documentation/networking/igb.txt
+++ b/Documentation/networking/igb.txt
@@ -93,6 +93,19 @@ Additional Configurations
93 REQUIREMENTS: MSI-X support is required for Multiqueue. If MSI-X is not 93 REQUIREMENTS: MSI-X support is required for Multiqueue. If MSI-X is not
94 found, the system will fallback to MSI or to Legacy interrupts. 94 found, the system will fallback to MSI or to Legacy interrupts.
95 95
96 MAC and VLAN anti-spoofing feature
97 ----------------------------------
98 When a malicious driver attempts to send a spoofed packet, it is dropped by
99 the hardware and not transmitted. An interrupt is sent to the PF driver
100 notifying it of the spoof attempt.
101
102 When a spoofed packet is detected the PF driver will send the following
103 message to the system log (displayed by the "dmesg" command):
104
105 Spoof event(s) detected on VF(n)
106
107 Where n=the VF that attempted to do the spoofing.
108
96Support 109Support
97======= 110=======
98 111