mlx4: Traffic steering management support for SRIOV
Let multicast/unicast attaching flow go through resource tracker.
The PF is the one responsible for managing all the steering entries.
Define and use module parameter that determines the number of qps
per multicast group.
Minor changes in function calls according to changed prototype.
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.co.il>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 64d03f8..8be5632 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -75,6 +75,14 @@
#endif /* CONFIG_PCI_MSI */
+int mlx4_log_num_mgm_entry_size = 10;
+module_param_named(log_num_mgm_entry_size,
+ mlx4_log_num_mgm_entry_size, int, 0444);
+MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num"
+ " of qp per mcg, for example:"
+ " 10 gives 248.range: 9<="
+ " log_num_mgm_entry_size <= 12");
+
static char mlx4_version[] __devinitdata =
DRV_NAME ": Mellanox ConnectX core driver v"
DRV_VERSION " (" DRV_RELDATE ")\n";
@@ -205,7 +213,7 @@
dev->caps.reserved_srqs = dev_cap->reserved_srqs;
dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz;
dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz;
- dev->caps.num_qp_per_mgm = MLX4_QP_PER_MGM;
+ dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev);
/*
* Subtract 1 from the limit because we need to allocate a
* spare CQE so the HCA HW can tell the difference between an
@@ -648,7 +656,8 @@
* and it's a lot easier than trying to track ref counts.
*/
err = mlx4_init_icm_table(dev, &priv->mcg_table.table,
- init_hca->mc_base, MLX4_MGM_ENTRY_SIZE,
+ init_hca->mc_base,
+ mlx4_get_mgm_entry_size(dev),
dev->caps.num_mgms + dev->caps.num_amgms,
dev->caps.num_mgms + dev->caps.num_amgms,
0, 0);