redonkable/alistair23-linux
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bnx2x: fix registers dumped

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Under traffic, there are several registers that when read (e.g., via
'ethtool -d') may cause the chip to stall.
This patch corrects the registers read in such flows.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dmitry Kravkov 2012-09-11 04:34:13 +00:00 committed by David S. Miller
parent 5cd75f0c0f
commit 2ace95103d
2 changed files with 9 additions and 18 deletions
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25
drivers/net/ethernet/broadcom/bnx2x/bnx2x_dump.h
View file

@ -401,11 +401,11 @@ static const struct reg_addr reg_addrs[] = {
{ 0x70000, 8, RI_ALL_ONLINE },
{ 0x70020, 8184, RI_ALL_OFFLINE },
{ 0x78000, 8192, RI_E3E3B0_OFFLINE },
{ 0x85000, 3, RI_ALL_ONLINE },
{ 0x8501c, 7, RI_ALL_ONLINE },
{ 0x85048, 1, RI_ALL_ONLINE },
{ 0x85200, 32, RI_ALL_ONLINE },
{ 0xb0000, 16384, RI_E1H_ONLINE },
{ 0x85000, 3, RI_ALL_OFFLINE },
{ 0x8501c, 7, RI_ALL_OFFLINE },
{ 0x85048, 1, RI_ALL_OFFLINE },
{ 0x85200, 32, RI_ALL_OFFLINE },
{ 0xb0000, 16384, RI_E1H_OFFLINE },
{ 0xc1000, 7, RI_ALL_ONLINE },
{ 0xc103c, 2, RI_E2E3E3B0_ONLINE },
{ 0xc1800, 2, RI_ALL_ONLINE },
@ -581,17 +581,12 @@ static const struct reg_addr reg_addrs[] = {
{ 0x140188, 3, RI_E1E1HE2E3_ONLINE },
{ 0x140194, 13, RI_ALL_ONLINE },
{ 0x140200, 6, RI_E1E1HE2E3_ONLINE },
{ 0x140220, 4, RI_E2E3_ONLINE },
{ 0x140240, 4, RI_E2E3_ONLINE },
{ 0x140260, 4, RI_E2E3_ONLINE },
{ 0x140280, 4, RI_E2E3_ONLINE },
{ 0x1402a0, 4, RI_E2E3_ONLINE },
{ 0x1402c0, 4, RI_E2E3_ONLINE },
{ 0x1402e0, 2, RI_E2E3_ONLINE },
{ 0x1402e8, 2, RI_E2E3E3B0_ONLINE },
{ 0x1402f0, 9, RI_E2E3_ONLINE },
{ 0x140314, 44, RI_E3B0_ONLINE },
{ 0x1403d0, 70, RI_E3B0_ONLINE },
{ 0x144000, 4, RI_E1E1H_ONLINE },
{ 0x148000, 4, RI_E1E1H_ONLINE },
{ 0x14c000, 4, RI_E1E1H_ONLINE },
@ -704,7 +699,6 @@ static const struct reg_addr reg_addrs[] = {
{ 0x180398, 1, RI_E2E3E3B0_ONLINE },
{ 0x1803a0, 5, RI_E2E3E3B0_ONLINE },
{ 0x1803b4, 2, RI_E3E3B0_ONLINE },
{ 0x180400, 1, RI_ALL_ONLINE },
{ 0x180404, 255, RI_E1E1H_OFFLINE },
{ 0x181000, 4, RI_ALL_ONLINE },
{ 0x181010, 1020, RI_ALL_OFFLINE },
@ -800,9 +794,9 @@ static const struct reg_addr reg_addrs[] = {
{ 0x1b905c, 1, RI_E3E3B0_ONLINE },
{ 0x1b9064, 1, RI_E3B0_ONLINE },
{ 0x1b9080, 10, RI_E3B0_ONLINE },
{ 0x1b9400, 14, RI_E2E3E3B0_ONLINE },
{ 0x1b943c, 19, RI_E2E3E3B0_ONLINE },
{ 0x1b9490, 10, RI_E2E3E3B0_ONLINE },
{ 0x1b9400, 14, RI_E2E3E3B0_OFFLINE },
{ 0x1b943c, 19, RI_E2E3E3B0_OFFLINE },
{ 0x1b9490, 10, RI_E2E3E3B0_OFFLINE },
{ 0x1c0000, 2, RI_ALL_ONLINE },
{ 0x200000, 65, RI_ALL_ONLINE },
{ 0x20014c, 2, RI_E1HE2E3E3B0_ONLINE },
@ -814,7 +808,6 @@ static const struct reg_addr reg_addrs[] = {
{ 0x200398, 1, RI_E2E3E3B0_ONLINE },
{ 0x2003a0, 1, RI_E2E3E3B0_ONLINE },
{ 0x2003a8, 2, RI_E2E3E3B0_ONLINE },
{ 0x200400, 1, RI_ALL_ONLINE },
{ 0x200404, 255, RI_E1E1H_OFFLINE },
{ 0x202000, 4, RI_ALL_ONLINE },
{ 0x202010, 2044, RI_ALL_OFFLINE },
@ -921,7 +914,6 @@ static const struct reg_addr reg_addrs[] = {
{ 0x280398, 1, RI_E2E3E3B0_ONLINE },
{ 0x2803a0, 1, RI_E2E3E3B0_ONLINE },
{ 0x2803a8, 2, RI_E2E3E3B0_ONLINE },
{ 0x280400, 1, RI_ALL_ONLINE },
{ 0x280404, 255, RI_E1E1H_OFFLINE },
{ 0x282000, 4, RI_ALL_ONLINE },
{ 0x282010, 2044, RI_ALL_OFFLINE },
@ -1031,7 +1023,6 @@ static const struct reg_addr reg_addrs[] = {
{ 0x300398, 1, RI_E2E3E3B0_ONLINE },
{ 0x3003a0, 1, RI_E2E3E3B0_ONLINE },
{ 0x3003a8, 2, RI_E2E3E3B0_ONLINE },
{ 0x300400, 1, RI_ALL_ONLINE },
{ 0x300404, 255, RI_E1E1H_OFFLINE },
{ 0x302000, 4, RI_ALL_ONLINE },
{ 0x302010, 2044, RI_ALL_OFFLINE },

2
drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
View file

@ -775,7 +775,7 @@ static void bnx2x_get_regs(struct net_device *dev,
struct bnx2x *bp = netdev_priv(dev);
struct dump_hdr dump_hdr = {0};
regs->version = 0;
regs->version = 1;
memset(p, 0, regs->len);
if (!netif_running(bp->dev))