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| author |   Govindarajulu Varadarajan <_govind@gmx.com> | 2014-12-10 13:40:23 +0530 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-12-10 14:41:48 -0500 |
| commit | 4f675eb2a736dfb65d68a00ff38e9342252eeabc (patch) | |
| tree | d4cc906539c74be231e0d4c26174e52bb99e1900 /drivers/net/ethernet/cisco/enic/enic_main.c | |
| parent | Merge branch 'napi_page_frags' (diff) | |
| download | linux-dev-4f675eb2a736dfb65d68a00ff38e9342252eeabc.tar.xz linux-dev-4f675eb2a736dfb65d68a00ff38e9342252eeabc.zip | |
enic: add support for set/get rss hash key
This patch adds support for setting/getting rss hash key using ethtool.
v2:
respin patch to support RSS hash function changes.
Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_main.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 86ee350e57f0..868d0f605d60 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1888,11 +1888,10 @@ static int enic_dev_hang_reset(struct enic *enic) return err; } -static int enic_set_rsskey(struct enic *enic) +int __enic_set_rsskey(struct enic *enic) { union vnic_rss_key *rss_key_buf_va; dma_addr_t rss_key_buf_pa; - u8 rss_key[ENIC_RSS_LEN]; int i, kidx, bidx, err; rss_key_buf_va = pci_zalloc_consistent(enic->pdev, @@ -1901,11 +1900,10 @@ static int enic_set_rsskey(struct enic *enic) if (!rss_key_buf_va) return -ENOMEM; - netdev_rss_key_fill(rss_key, ENIC_RSS_LEN); for (i = 0; i < ENIC_RSS_LEN; i++) { kidx = i / ENIC_RSS_BYTES_PER_KEY; bidx = i % ENIC_RSS_BYTES_PER_KEY; - rss_key_buf_va->key[kidx].b[bidx] = rss_key[i]; + rss_key_buf_va->key[kidx].b[bidx] = enic->rss_key[i]; } spin_lock_bh(&enic->devcmd_lock); err = enic_set_rss_key(enic, @@ -1919,6 +1917,13 @@ static int enic_set_rsskey(struct enic *enic) return err; } +static int enic_set_rsskey(struct enic *enic) +{ + netdev_rss_key_fill(enic->rss_key, ENIC_RSS_LEN); + + return __enic_set_rsskey(enic); +} + static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits) { dma_addr_t rss_cpu_buf_pa; |