diff options
| author |   Lendacky, Thomas <Thomas.Lendacky@amd.com> | 2014-11-04 16:07:23 -0600 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-11-05 21:50:12 -0500 |
| commit | f6ac862845bbe9daac9a02c7690efa01bfb62fa5 (patch) | |
| tree | 1d3394684f9b60aa7d47a7928e59c9689920d512 /drivers/net/ethernet/amd/xgbe/xgbe-dev.c | |
| parent | amd-xgbe: Provide support for receive side scaling (diff) | |
| download | linux-dev-f6ac862845bbe9daac9a02c7690efa01bfb62fa5.tar.xz linux-dev-f6ac862845bbe9daac9a02c7690efa01bfb62fa5.zip | |
amd-xgbe: Add receive side scaling ethtool support
This patch adds support for ethtool receive side scaling (RSS) commands.
Support is added to get/set the RSS hash key and the RSS lookup table.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-dev.c')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 551794c29d09..7daa2cd9af5f 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -419,6 +419,24 @@ static int xgbe_write_rss_lookup_table(struct xgbe_prv_data *pdata) return 0; } +static int xgbe_set_rss_hash_key(struct xgbe_prv_data *pdata, const u8 *key) +{ + memcpy(pdata->rss_key, key, sizeof(pdata->rss_key)); + + return xgbe_write_rss_hash_key(pdata); +} + +static int xgbe_set_rss_lookup_table(struct xgbe_prv_data *pdata, + const u32 *table) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(pdata->rss_table); i++) + XGMAC_SET_BITS(pdata->rss_table[i], MAC_RSSDR, DMCH, table[i]); + + return xgbe_write_rss_lookup_table(pdata); +} + static int xgbe_enable_rss(struct xgbe_prv_data *pdata) { int ret; @@ -2759,6 +2777,8 @@ void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if) /* For Receive Side Scaling */ hw_if->enable_rss = xgbe_enable_rss; hw_if->disable_rss = xgbe_disable_rss; + hw_if->set_rss_hash_key = xgbe_set_rss_hash_key; + hw_if->set_rss_lookup_table = xgbe_set_rss_lookup_table; DBGPR("<--xgbe_init_function_ptrs\n"); } |