diff options
| author | Sathya Perla <sathya.perla@emulex.com> | 2011-10-24 02:45:03 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-10-24 22:40:14 (GMT) |
| commit | 752961a11e847e604aeaaa798cac438c1e671ba4 (patch) | |
| tree | 550a6d3ca83cd2404e70080575cb8e80d59dcdc1 /drivers/net | |
| parent | dafc0fe3afa565c88e44f1c243a49ce209f78ba7 (diff) | |
| download | linux-752961a11e847e604aeaaa798cac438c1e671ba4.tar.xz | |
be2net: don't create multiple RX/TX rings in multi channel mode
When the HW is in multi-channel mode based on the skew/IPL, there are
4 functions per port and so not enough resources to create multiple
RX/TX rings for each function.
Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_cmds.h | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 16 |
2 files changed, 18 insertions, 4 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index 75b7574..a35cd03 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -1046,6 +1046,12 @@ struct be_cmd_resp_modify_eq_delay { /******************** Get FW Config *******************/ #define BE_FUNCTION_CAPS_RSS 0x2 +/* The HW can come up in either of the following multi-channel modes + * based on the skew/IPL. + */ +#define FLEX10_MODE 0x400 +#define VNIC_MODE 0x20000 +#define UMC_ENABLED 0x1000000 struct be_cmd_req_query_fw_cfg { struct be_cmd_req_hdr hdr; u32 rsvd[31]; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 555b0ec..d6a232a 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -114,6 +114,13 @@ static const char * const ue_status_hi_desc[] = { "Unknown" }; +/* Is BE in a multi-channel mode */ +static inline bool be_is_mc(struct be_adapter *adapter) { + return (adapter->function_mode & FLEX10_MODE || + adapter->function_mode & VNIC_MODE || + adapter->function_mode & UMC_ENABLED); +} + static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) { struct be_dma_mem *mem = &q->dma_mem; @@ -1289,7 +1296,7 @@ static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) if (rxcp->vlanf) { /* vlanf could be wrongly set in some cards. * ignore if vtm is not set */ - if ((adapter->function_mode & 0x400) && !rxcp->vtm) + if ((adapter->function_mode & FLEX10_MODE) && !rxcp->vtm) rxcp->vlanf = 0; if (!lancer_chip(adapter)) @@ -1636,7 +1643,7 @@ static void be_tx_queues_destroy(struct be_adapter *adapter) static int be_num_txqs_want(struct be_adapter *adapter) { if ((num_vfs && adapter->sriov_enabled) || - (adapter->function_mode & 0x400) || + be_is_mc(adapter) || lancer_chip(adapter) || !be_physfn(adapter) || adapter->generation == BE_GEN2) return 1; @@ -1718,7 +1725,8 @@ static void be_rx_queues_destroy(struct be_adapter *adapter) static u32 be_num_rxqs_want(struct be_adapter *adapter) { if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && - !adapter->sriov_enabled && !(adapter->function_mode & 0x400)) { + !adapter->sriov_enabled && be_physfn(adapter) && + !be_is_mc(adapter)) { return 1 + MAX_RSS_QS; /* one default non-RSS queue */ } else { dev_warn(&adapter->pdev->dev, @@ -3187,7 +3195,7 @@ static int be_get_config(struct be_adapter *adapter) if (status) return status; - if (adapter->function_mode & 0x400) + if (adapter->function_mode & FLEX10_MODE) adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/4; else adapter->max_vlans = BE_NUM_VLANS_SUPPORTED; |