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bnx2x: add fcoe statistics

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Add FCoE statistics support for FCoE capable devices.

Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Barak Witkowski 2011-12-05 21:52:23 +00:00 • committed by David S. Miller
parent 0e898dd7a8
commit 50f0a562f8
4 changed files with 120 additions and 23 deletions
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38
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
View file

@ -2624,15 +2624,6 @@ u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
return rc;
}
static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
{
#ifdef BCM_CNIC
/* Statistics are not supported for CNIC Clients at the moment */
if (IS_FCOE_FP(fp))
return false;
#endif
return true;
}
void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
{
@ -2676,11 +2667,11 @@ static inline unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
* parent connection). The statistics are zeroed when the parent
* connection is initialized.
*/
if (stat_counter_valid(bp, fp)) {
__set_bit(BNX2X_Q_FLG_STATS, &flags);
if (zero_stats)
__set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
}
__set_bit(BNX2X_Q_FLG_STATS, &flags);
if (zero_stats)
__set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
return flags;
}
@ -6848,13 +6839,16 @@ void bnx2x_free_mem(struct bnx2x *bp)
static inline int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
{
int num_groups;
int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
/* number of eth_queues */
u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp);
/* number of queues for statistics is number of eth queues + FCoE */
u8 num_queue_stats = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe_stats;
/* Total number of FW statistics requests =
* 1 for port stats + 1 for PF stats + num_eth_queues */
bp->fw_stats_num = 2 + num_queue_stats;
* 1 for port stats + 1 for PF stats + potential 1 for FCoE stats +
* num of queues
*/
bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
/* Request is built from stats_query_header and an array of
@ -6862,8 +6856,8 @@ static inline int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
* STATS_QUERY_CMD_COUNT rules. The real number or requests is
* configured in the stats_query_header.
*/
num_groups = (2 + num_queue_stats) / STATS_QUERY_CMD_COUNT +
(((2 + num_queue_stats) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
num_groups = ((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
(((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ? 1 : 0);
bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
num_groups * sizeof(struct stats_query_cmd_group);
@ -6872,9 +6866,13 @@ static inline int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
*
* stats_counter holds per-STORM counters that are incremented
* when STORM has finished with the current request.
*
* memory for FCoE offloaded statistics are counted anyway,
* even if they will not be sent.
*/
bp->fw_stats_data_sz = sizeof(struct per_port_stats) +
sizeof(struct per_pf_stats) +
sizeof(struct fcoe_statistics_params) +
sizeof(struct per_queue_stats) * num_queue_stats +
sizeof(struct stats_counter);