qlge: Fix RSS hashing values.
authorRon Mercer <ron.mercer@qlogic.com>
Thu, 8 Oct 2009 09:54:37 +0000 (09:54 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 9 Oct 2009 05:54:42 +0000 (22:54 -0700)
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>
drivers/net/qlge/qlge.h
drivers/net/qlge/qlge_main.c

index 3ec6e85587a2280bdda0bb3f095b32e292a209db..567b5d6e34136b64de5d8b1bb1c5218c57d81c23 100644 (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));
index 61680715cde0364f45a5cab49388b336d0957369..04fc7117ce49eb094f728bdb50c28fcd1e3642e7 100644 (file)
@@ -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");