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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>
This commit is contained in:
Ron Mercer 2009-10-08 09:54:37 +00:00 committed by David S. Miller
parent 67972e0c23
commit 541ae28c2d
2 changed files with 13 additions and 11 deletions
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2
drivers/net/qlge/qlge.h
View File

@ -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));

22
drivers/net/qlge/qlge_main.c
View File

@ -3077,6 +3077,12 @@ static int ql_request_irq(struct ql_adapter *qdev)
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");