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e100e: use netdev_rss_key_fill() helper

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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: Eric Dumazet <edumazet@google.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2014-11-16 06:23:11 -08:00 committed by David S. Miller
parent 1dcf7b1c5f
commit 5c8d19da95
1 changed files with 3 additions and 6 deletions
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9
drivers/net/ethernet/intel/e1000e/netdev.c
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@ -3449,15 +3449,12 @@ static void e1000e_setup_rss_hash(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
u32 mrqc, rxcsum;
u32 rss_key[10];
int i;
static const u32 rsskey[10] = {
0xda565a6d, 0xc20e5b25, 0x3d256741, 0xb08fa343, 0xcb2bcad0,
0xb4307bae, 0xa32dcb77, 0x0cf23080, 0x3bb7426a, 0xfa01acbe
};
/* Fill out hash function seed */
netdev_rss_key_fill(rss_key, sizeof(rss_key));
for (i = 0; i < 10; i++)
ew32(RSSRK(i), rsskey[i]);
ew32(RSSRK(i), rss_key[i]);
/* Direct all traffic to queue 0 */
for (i = 0; i < 32; i++)