Thread (195 messages) 195 messages, 4 authors, 2021-01-28

Re: [dpdk-dev] [EXT] Re: [PATCH v2 07/37] net/mvpp2: update RSS tables reservation

From: Liron Himi <hidden>
Date: 2021-01-26 18:05:51

-----Original Message-----
From: Ferruh Yigit <redacted> 
Sent: Tuesday, 26 January 2021 20:02
To: Liron Himi <redacted>; Jerin Jacob Kollanukkaran <redacted>
Cc: dev@dpdk.org; Yuri Chipchev <redacted>
Subject: [EXT] Re: [dpdk-dev] [PATCH v2 07/37] net/mvpp2: update RSS tables reservation

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----------------------------------------------------------------------
On 1/22/2021 7:18 PM, lironh@marvell.com wrote:
quoted hunk ↗ jump to hunk
From: Yuri Chipchev <redacted>

In kernel-4.14 the pp2 kernel occupied 4 RSS tables as opposed to 1 
RSS table in older version.

Signed-off-by: Yuri Chipchev <redacted>
Reviewed-by: Liron Himi <redacted>
---
  drivers/net/mvpp2/mrvl_ethdev.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/mvpp2/mrvl_ethdev.c 
b/drivers/net/mvpp2/mrvl_ethdev.c index f7e3f62e3..e4ec343d5 100644
--- a/drivers/net/mvpp2/mrvl_ethdev.c
+++ b/drivers/net/mvpp2/mrvl_ethdev.c
@@ -33,7 +33,7 @@
  /* bitmask with reserved bpools */
  #define MRVL_MUSDK_BPOOLS_RESERVED 0x07
  /* bitmask with reserved kernel RSS tables */ -#define 
MRVL_MUSDK_RSS_RESERVED 0x01
+#define MRVL_MUSDK_RSS_RESERVED 0x0F
  /* maximum number of available hifs */
  #define MRVL_MUSDK_HIFS_MAX 9
  
Will this be compatible with all kernel versions that has 1 RSS table?
[L.H.] yes

Is this related to the kernel version, kernel driver version or musdk version?
[L.H.] it is related to the pp2 kernel driver version which bounds to a kernel version
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