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authorAriel Elior2013-01-01 06:22:37 +0100
committerDavid S. Miller2013-01-02 10:45:07 +0100
commit8db573baa5cf1f65ed94039ac3100ea5a94260de (patch)
treee1e87d6ff08fe89806015884f2040f58d85cc09e /drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
parentbnx2x: Support statistics collection for VFs by the PF (diff)
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bnx2x: Support of PF driver of a VF setup_q request
Upon receiving a 'setup_q' request from the VF over the VF <-> PF channel the PF driver will open a corresponding queue in the device. The PF driver configures the queue with appropriate mac address, vlan configuration, etc from the VF. Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 022c491cd0fb..cdb073a6297e 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -2029,7 +2029,7 @@ static void bnx2x_free_fw_stats_mem(struct bnx2x *bp)
static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
{
- int num_groups;
+ int num_groups, vf_headroom = 0;
int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;
/* number of queues for statistics is number of eth queues + FCoE */
@@ -2042,18 +2042,26 @@ static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)
*/
bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;
+ /* vf stats appear in the request list, but their data is allocated by
+ * the VFs themselves. We don't include them in the bp->fw_stats_num as
+ * it is used to determine where to place the vf stats queries in the
+ * request struct
+ */
+ if (IS_SRIOV(bp))
+ vf_headroom = bp->vfdb->sriov.nr_virtfn * BNX2X_CLIENTS_PER_VF;
+
/* Request is built from stats_query_header and an array of
* stats_query_cmd_group each of which contains
* STATS_QUERY_CMD_COUNT rules. The real number or requests is
* configured in the stats_query_header.
*/
num_groups =
- (((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +
- (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ?
+ (((bp->fw_stats_num + vf_headroom) / STATS_QUERY_CMD_COUNT) +
+ (((bp->fw_stats_num + vf_headroom) % STATS_QUERY_CMD_COUNT) ?
1 : 0));
- DP(BNX2X_MSG_SP, "stats fw_stats_num %d, num_groups %d\n",
- bp->fw_stats_num, num_groups);
+ DP(BNX2X_MSG_SP, "stats fw_stats_num %d, vf headroom %d, num_groups %d\n",
+ bp->fw_stats_num, vf_headroom, num_groups);
bp->fw_stats_req_sz = sizeof(struct stats_query_header) +
num_groups * sizeof(struct stats_query_cmd_group);