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authorRon Mercer <ron.mercer@qlogic.com>2009-10-08 11:54:37 +0200
committerDavid S. Miller <davem@davemloft.net>2009-10-09 07:54:42 +0200
commit541ae28c2df91e805c6df924a8e8522c2602db47 (patch)
tree9db5933351d1538b8556cdfa82516489dc27bd95 /drivers
parentMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linvil... (diff)
downloadlinux-541ae28c2df91e805c6df924a8e8522c2602db47.tar.xz
linux-541ae28c2df91e805c6df924a8e8522c2602db47.zip
qlge: Fix RSS hashing values.
Fix RX queue table size and change from random to default hash values. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/qlge/qlge.h2
-rw-r--r--drivers/net/qlge/qlge_main.c22
2 files changed, 13 insertions, 11 deletions
diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 3ec6e85587a2..567b5d6e3413 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -1168,7 +1168,7 @@ struct ricb {
#define RSS_RI6 0x40
#define RSS_RT6 0x80
__le16 mask;
- __le32 hash_cq_id[256];
+ u8 hash_cq_id[1024];
__le32 ipv6_hash_key[10];
__le32 ipv4_hash_key[4];
} __attribute((packed));
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 61680715cde0..04fc7117ce49 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3077,6 +3077,12 @@ err_irq:
static int ql_start_rss(struct ql_adapter *qdev)
{
+ u8 init_hash_seed[] = {0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2,
+ 0x41, 0x67, 0x25, 0x3d, 0x43, 0xa3, 0x8f,
+ 0xb0, 0xd0, 0xca, 0x2b, 0xcb, 0xae, 0x7b,
+ 0x30, 0xb4, 0x77, 0xcb, 0x2d, 0xa3, 0x80,
+ 0x30, 0xf2, 0x0c, 0x6a, 0x42, 0xb7, 0x3b,
+ 0xbe, 0xac, 0x01, 0xfa};
struct ricb *ricb = &qdev->ricb;
int status = 0;
int i;
@@ -3086,21 +3092,17 @@ static int ql_start_rss(struct ql_adapter *qdev)
ricb->base_cq = RSS_L4K;
ricb->flags =
- (RSS_L6K | RSS_LI | RSS_LB | RSS_LM | RSS_RI4 | RSS_RI6 | RSS_RT4 |
- RSS_RT6);
- ricb->mask = cpu_to_le16(qdev->rss_ring_count - 1);
+ (RSS_L6K | RSS_LI | RSS_LB | RSS_LM | RSS_RT4 | RSS_RT6);
+ ricb->mask = cpu_to_le16((u16)(0x3ff));
/*
* Fill out the Indirection Table.
*/
- for (i = 0; i < 256; i++)
- hash_id[i] = i & (qdev->rss_ring_count - 1);
+ for (i = 0; i < 1024; i++)
+ hash_id[i] = (i & (qdev->rss_ring_count - 1));
- /*
- * Random values for the IPv6 and IPv4 Hash Keys.
- */
- get_random_bytes((void *)&ricb->ipv6_hash_key[0], 40);
- get_random_bytes((void *)&ricb->ipv4_hash_key[0], 16);
+ memcpy((void *)&ricb->ipv6_hash_key[0], init_hash_seed, 40);
+ memcpy((void *)&ricb->ipv4_hash_key[0], init_hash_seed, 16);
QPRINTK(qdev, IFUP, DEBUG, "Initializing RSS.\n");