[dpdk-stable] [PATCH] nfp: fix rss

[dpdk-stable] [PATCH] nfp: fix rss

[Alejandro Lucero]

Redirection table was not being updated properly.
There is also a problem when configuring RSS.

Fixes: 934e4c60fbff ("nfp: add RSS")

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
---
 drivers/net/nfp/nfp_net.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 1db7a66..c9895a2 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -2254,7 +2254,8 @@ uint32_t nfp_net_txq_full(struct nfp_net_txq *txq)
 				reta &= ~(0xFF << (8 * j));
 			reta |= reta_conf[idx].reta[shift + j] << (8 * j);
 		}
-		nn_cfg_writel(hw, NFP_NET_CFG_RSS_ITBL + shift, reta);
+		nn_cfg_writel(hw, NFP_NET_CFG_RSS_ITBL + (idx * 64) + shift,
+			      reta);
 	}
 
 	update = NFP_NET_CFG_UPDATE_RSS;
@@ -2301,7 +2302,8 @@ uint32_t nfp_net_txq_full(struct nfp_net_txq *txq)
 		if (!mask)
 			continue;
 
-		reta = nn_cfg_readl(hw, NFP_NET_CFG_RSS_ITBL + shift);
+		reta = nn_cfg_readl(hw, NFP_NET_CFG_RSS_ITBL + (idx * 64) +
+				    shift);
 		for (j = 0; j < 4; j++) {
 			if (!(mask & (0x1 << j)))
 				continue;
@@ -2351,6 +2353,9 @@ uint32_t nfp_net_txq_full(struct nfp_net_txq *txq)
 				NFP_NET_CFG_RSS_IPV6_TCP |
 				NFP_NET_CFG_RSS_IPV6_UDP;
 
+	cfg_rss_ctrl |= NFP_NET_CFG_RSS_MASK;
+	cfg_rss_ctrl |= NFP_NET_CFG_RSS_TOEPLITZ;
+
 	/* configuring where to apply the RSS hash */
 	nn_cfg_writel(hw, NFP_NET_CFG_RSS_CTRL, cfg_rss_ctrl);
 
-- 
1.9.1

Re: [dpdk-stable] [PATCH] nfp: fix rss

[Ferruh Yigit]

On 8/11/2017 2:43 PM, Alejandro Lucero wrote:
> Redirection table was not being updated properly.
> There is also a problem when configuring RSS.
> 
> Fixes: 934e4c60fbff ("nfp: add RSS")
Cc: stable@dpdk.org

> 
> Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>

Applied to dpdk-next-net/master, thanks.