diff options
| author | Eric Dumazet <edumazet@google.com> | 2014-11-16 06:23:11 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-11-16 15:59:12 -0500 |
| commit | 5c8d19da950861d0482abc0ac3481acca34b008f (patch) | |
| tree | a35c89b48b5e89253f0cc0eed19f5fe70dc1b097 | |
| parent | 1dcf7b1c5f5735d806c72505ddb451f2716ce46f (diff) | |
| download | linux-5c8d19da950861d0482abc0ac3481acca34b008f.tar.bz2 | |
e100e: 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>
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/netdev.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 247335d2c7ec..370cfa275ddb 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -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++) |