提交 2e95b2a8 编写于 作者: I Ian Morris 提交者: David S. Miller

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 960fb622.
Signed-off-by: NIan 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: NEric Dumazet <edumazet@google.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 f8e34d24
......@@ -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),
......
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