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cnic: Fix L2CTX_STATUSB_NUM offset in context memory. 

The BNX2_L2CTX_STATUSB_NUM definition needs to be changed to match
the recent firmware update:

commit 078b073588
bnx2: Update firmware to 5.0.0.j3.

Without the fix, bnx2 can crash intermittently in bnx2_rx_int() when
iSCSI is enabled.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2009-10-28 03:41:59 -07:00 committed by David S. Miller
parent f568a926a3
commit d0549382da
2 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/bnx2.h
View File

@ -361,9 +361,12 @@ struct l2_fhdr {
#define BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE (1<<28)
#define BNX2_L2CTX_HOST_BDIDX 0x00000004
#define BNX2_L2CTX_STATUSB_NUM_SHIFT 16
#define BNX2_L2CTX_STATUSB_NUM(sb_id) \
(((sb_id) > 0) ? (((sb_id) + 7) << BNX2_L2CTX_STATUSB_NUM_SHIFT) : 0)
#define BNX2_L2CTX_L5_STATUSB_NUM_SHIFT 16
#define BNX2_L2CTX_L2_STATUSB_NUM_SHIFT 24
#define BNX2_L2CTX_L5_STATUSB_NUM(sb_id) \
(((sb_id) > 0) ? (((sb_id) + 7) << BNX2_L2CTX_L5_STATUSB_NUM_SHIFT) : 0)
#define BNX2_L2CTX_L2_STATUSB_NUM(sb_id) \
(((sb_id) > 0) ? (((sb_id) + 7) << BNX2_L2CTX_L2_STATUSB_NUM_SHIFT) : 0)
#define BNX2_L2CTX_HOST_BSEQ 0x00000008
#define BNX2_L2CTX_NX_BSEQ 0x0000000c
#define BNX2_L2CTX_NX_BDHADDR_HI 0x00000010

6
drivers/net/cnic.c
View File

@ -2264,9 +2264,9 @@ static void cnic_init_bnx2_rx_ring(struct cnic_dev *dev)
cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_CTX_TYPE, val);
if (sb_id == 0)
val = 2 << BNX2_L2CTX_STATUSB_NUM_SHIFT;
val = 2 << BNX2_L2CTX_L2_STATUSB_NUM_SHIFT;
else
val = BNX2_L2CTX_STATUSB_NUM(sb_id);
val = BNX2_L2CTX_L2_STATUSB_NUM(sb_id);
cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_HOST_BDIDX, val);
rxbd = (struct rx_bd *) (cp->l2_ring + BCM_PAGE_SIZE);
@ -2423,7 +2423,7 @@ static int cnic_start_bnx2_hw(struct cnic_dev *dev)
cp->int_num = 0;
if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
u32 sb_id = cp->status_blk_num;
u32 sb = BNX2_L2CTX_STATUSB_NUM(sb_id);
u32 sb = BNX2_L2CTX_L5_STATUSB_NUM(sb_id);
cp->int_num = sb_id << BNX2_PCICFG_INT_ACK_CMD_INT_NUM_SHIFT;
cnic_ctx_wr(dev, cp->kwq_cid_addr, L5_KRNLQ_HOST_QIDX, sb);