diff options
| author |   Eric Dumazet <edumazet@google.com> | 2014-11-16 06:23:14 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-11-16 15:59:12 -0500 |
| commit | eb31f8493eee1efcc194fdc98df830a503f572f1 (patch) | |
| tree | 2e0ffc8342670bd6420bacfc5587dd87bd75da12 /drivers | |
| parent | i40e: use netdev_rss_key_fill() helper (diff) | |
| download | linux-dev-eb31f8493eee1efcc194fdc98df830a503f572f1.tar.xz linux-dev-eb31f8493eee1efcc194fdc98df830a503f572f1.zip | |
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: 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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 1e35fae7a62b..b0e12e7c4a3d 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3372,14 +3372,11 @@ static void igb_setup_mrqc(struct igb_adapter *adapter) struct e1000_hw *hw = &adapter->hw; u32 mrqc, rxcsum; u32 j, num_rx_queues; - static const u32 rsskey[10] = { 0xDA565A6D, 0xC20E5B25, 0x3D256741, - 0xB08FA343, 0xCB2BCAD0, 0xB4307BAE, - 0xA32DCB77, 0x0CF23080, 0x3BB7426A, - 0xFA01ACBE }; + u32 rss_key[10]; - /* Fill out hash function seeds */ + netdev_rss_key_fill(rss_key, sizeof(rss_key)); 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; |