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| author | Ian Morris <ipm@chirality.org.uk> | 2014-11-19 09:06:51 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-11-21 12:17:54 -0500 |
| commit | 2e95b2a8244bfd8993f55c993f1b7d33a89124e0 (patch) | |
| tree | af642838aafb72c6256dcd702bdea21610169cd9 | |
| parent | f8e34d246c7d89e13399b410f92234acd2f7411a (diff) | |
| download | blackbird-op-linux-2e95b2a8244bfd8993f55c993f1b7d33a89124e0.tar.gz blackbird-op-linux-2e95b2a8244bfd8993f55c993f1b7d33a89124e0.zip | |
sky2: use new netdev_rss_key_fill() helper
Switch to a random RSS key rather than a fixed one.
Using netdev_rss_key_fill helper also ensures that all ports share
a common key.
See also commit 960fb622f85180f36d3aff82af53e2be3db2f888.
Signed-off-by: Ian Morris <ipm@chirality.org.uk>
Cc: Mirko Lindner <mlindner@marvell.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Eric Dumazet <edumazet@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/marvell/sky2.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index bd3366267039..53a1cc52d496 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -1290,14 +1290,6 @@ static void rx_set_checksum(struct sky2_port *sky2) ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM); } -/* - * Fixed initial key as seed to RSS. - */ -static const uint32_t rss_init_key[10] = { - 0x7c3351da, 0x51c5cf4e, 0x44adbdd1, 0xe8d38d18, 0x48897c43, - 0xb1d60e7e, 0x6a3dd760, 0x01a2e453, 0x16f46f13, 0x1a0e7b30 -}; - /* Enable/disable receive hash calculation (RSS) */ static void rx_set_rss(struct net_device *dev, netdev_features_t features) { @@ -1313,9 +1305,12 @@ static void rx_set_rss(struct net_device *dev, netdev_features_t features) /* Program RSS initial values */ if (features & NETIF_F_RXHASH) { + u32 rss_key[10]; + + netdev_rss_key_fill(rss_key, sizeof(rss_key)); for (i = 0; i < nkeys; i++) sky2_write32(hw, SK_REG(sky2->port, RSS_KEY + i * 4), - rss_init_key[i]); + rss_key[i]); /* Need to turn on (undocumented) flag to make hashing work */ sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T), |
