Commit eb31f849 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller

igb: use netdev_rss_key_fill() helper

Use of well known RSS key increases attack surface.
Switch to a random one, using generic helper so that all
ports share a common key.
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 22f258a1
...@@ -3372,14 +3372,11 @@ static void igb_setup_mrqc(struct igb_adapter *adapter) ...@@ -3372,14 +3372,11 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
struct e1000_hw *hw = &adapter->hw; struct e1000_hw *hw = &adapter->hw;
u32 mrqc, rxcsum; u32 mrqc, rxcsum;
u32 j, num_rx_queues; u32 j, num_rx_queues;
static const u32 rsskey[10] = { 0xDA565A6D, 0xC20E5B25, 0x3D256741, u32 rss_key[10];
0xB08FA343, 0xCB2BCAD0, 0xB4307BAE,
0xA32DCB77, 0x0CF23080, 0x3BB7426A,
0xFA01ACBE };
/* Fill out hash function seeds */ netdev_rss_key_fill(rss_key, sizeof(rss_key));
for (j = 0; j < 10; j++) for (j = 0; j < 10; j++)
wr32(E1000_RSSRK(j), rsskey[j]); wr32(E1000_RSSRK(j), rss_key[j]);
num_rx_queues = adapter->rss_queues; num_rx_queues = adapter->rss_queues;
......
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