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cnic: Disable statistics initialization for eth clients that do not support statistics 

Disable statistics initialization for eth clients that do not support
 statistics. This prevents memory corruption on bnx2x hw.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
This commit is contained in:
Dmitry Kravkov 2010-06-23 11:57:09 -07:00 committed by David S. Miller
parent 06aeb78b85
commit 6b2a541db5
1 changed files with 34 additions and 21 deletions
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55
drivers/net/cnic.c
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@ -3919,8 +3919,9 @@ static void cnic_init_bnx2x_tx_ring(struct cnic_dev *dev)
HC_INDEX_DEF_C_ETH_ISCSI_CQ_CONS;
context->cstorm_st_context.status_block_id = BNX2X_DEF_SB_ID;
context->xstorm_st_context.statistics_data = (cli |
XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
if (cli < MAX_X_STAT_COUNTER_ID)
context->xstorm_st_context.statistics_data = cli |
XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE;
context->xstorm_ag_context.cdu_reserved =
CDU_RSRVD_VALUE_TYPE_A(BNX2X_HW_CID(BNX2X_ISCSI_L2_CID, func),
@ -3928,10 +3929,12 @@ static void cnic_init_bnx2x_tx_ring(struct cnic_dev *dev)
ETH_CONNECTION_TYPE);
/* reset xstorm per client statistics */
val = BAR_XSTRORM_INTMEM +
XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++)
CNIC_WR(dev, val + i * 4, 0);
if (cli < MAX_X_STAT_COUNTER_ID) {
val = BAR_XSTRORM_INTMEM +
XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++)
CNIC_WR(dev, val + i * 4, 0);
}
cp->tx_cons_ptr =
&cp->bnx2x_def_status_blk->c_def_status_block.index_values[
@ -3978,9 +3981,11 @@ static void cnic_init_bnx2x_rx_ring(struct cnic_dev *dev)
BNX2X_ISCSI_RX_SB_INDEX_NUM;
context->ustorm_st_context.common.clientId = cli;
context->ustorm_st_context.common.status_block_id = BNX2X_DEF_SB_ID;
context->ustorm_st_context.common.flags =
USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_STATISTICS;
context->ustorm_st_context.common.statistics_counter_id = cli;
if (cli < MAX_U_STAT_COUNTER_ID) {
context->ustorm_st_context.common.flags =
USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_STATISTICS;
context->ustorm_st_context.common.statistics_counter_id = cli;
}
context->ustorm_st_context.common.mc_alignment_log_size = 0;
context->ustorm_st_context.common.bd_buff_size =
cp->l2_single_buf_size;
@ -4011,10 +4016,13 @@ static void cnic_init_bnx2x_rx_ring(struct cnic_dev *dev)
/* client tstorm info */
tstorm_client.mtu = cp->l2_single_buf_size - 14;
tstorm_client.config_flags =
(TSTORM_ETH_CLIENT_CONFIG_E1HOV_REM_ENABLE |
TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE);
tstorm_client.statistics_counter_id = cli;
tstorm_client.config_flags = TSTORM_ETH_CLIENT_CONFIG_E1HOV_REM_ENABLE;
if (cli < MAX_T_STAT_COUNTER_ID) {
tstorm_client.config_flags |=
TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
tstorm_client.statistics_counter_id = cli;
}
CNIC_WR(dev, BAR_TSTRORM_INTMEM +
TSTORM_CLIENT_CONFIG_OFFSET(port, cli),
@ -4024,16 +4032,21 @@ static void cnic_init_bnx2x_rx_ring(struct cnic_dev *dev)
((u32 *)&tstorm_client)[1]);
/* reset tstorm per client statistics */
val = BAR_TSTRORM_INTMEM +
TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++)
CNIC_WR(dev, val + i * 4, 0);
if (cli < MAX_T_STAT_COUNTER_ID) {
val = BAR_TSTRORM_INTMEM +
TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++)
CNIC_WR(dev, val + i * 4, 0);
}
/* reset ustorm per client statistics */
val = BAR_USTRORM_INTMEM +
USTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
for (i = 0; i < sizeof(struct ustorm_per_client_stats) / 4; i++)
CNIC_WR(dev, val + i * 4, 0);
if (cli < MAX_U_STAT_COUNTER_ID) {
val = BAR_USTRORM_INTMEM +
USTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
for (i = 0; i < sizeof(struct ustorm_per_client_stats) / 4; i++)
CNIC_WR(dev, val + i * 4, 0);
}
cp->rx_cons_ptr =
&cp->bnx2x_def_status_blk->u_def_status_block.index_values[