diff options
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_cmds.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_cmds.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_ethtool.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be_main.c | 50 |
5 files changed, 41 insertions, 24 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index fac806a15a61..7e13faba03bd 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -488,6 +488,8 @@ struct be_adapter { /* Rx rings */ u16 num_rx_qs; + u16 num_rss_qs; + u16 need_def_rxq; struct be_rx_obj rx_obj[MAX_RX_QS]; u32 big_page_size; /* Compounded page size shared by rx wrbs */ @@ -635,9 +637,8 @@ extern const struct ethtool_ops be_ethtool_ops; for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \ i++, rxo++) -/* Skip the default non-rss queue (last one)*/ #define for_all_rss_queues(adapter, rxo, i) \ - for (i = 0, rxo = &adapter->rx_obj[i]; i < (adapter->num_rx_qs - 1);\ + for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \ i++, rxo++) #define for_all_tx_queues(adapter, txo, i) \ diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index be00695b3be7..e1fa1d4c55d4 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -3580,9 +3580,6 @@ static void be_copy_nic_desc(struct be_resources *res, /* Clear flags that driver is not interested in */ res->if_cap_flags = le32_to_cpu(desc->cap_flags) & BE_IF_CAP_FLAGS_WANT; - /* Need 1 RXQ as the default RXQ */ - if (res->max_rss_qs && res->max_rss_qs == res->max_rx_qs) - res->max_rss_qs -= 1; } /* Uses Mbox */ diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index db761e8e42a3..49514821d0df 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -588,14 +588,15 @@ enum be_if_flags { BE_IF_FLAGS_MCAST_PROMISCUOUS = 0x200, BE_IF_FLAGS_PASS_L2_ERRORS = 0x400, BE_IF_FLAGS_PASS_L3L4_ERRORS = 0x800, - BE_IF_FLAGS_MULTICAST = 0x1000 + BE_IF_FLAGS_MULTICAST = 0x1000, + BE_IF_FLAGS_DEFQ_RSS = 0x1000000 }; #define BE_IF_CAP_FLAGS_WANT (BE_IF_FLAGS_RSS | BE_IF_FLAGS_PROMISCUOUS |\ BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_VLAN_PROMISCUOUS |\ BE_IF_FLAGS_VLAN | BE_IF_FLAGS_MCAST_PROMISCUOUS |\ BE_IF_FLAGS_PASS_L3L4_ERRORS | BE_IF_FLAGS_MULTICAST |\ - BE_IF_FLAGS_UNTAGGED) + BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_DEFQ_RSS) #define BE_IF_FLAGS_ALL_PROMISCUOUS (BE_IF_FLAGS_PROMISCUOUS | \ BE_IF_FLAGS_VLAN_PROMISCUOUS |\ diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c index 4d2de4700769..b765c24625bf 100644 --- a/drivers/net/ethernet/emulex/benet/be_ethtool.c +++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c @@ -1097,7 +1097,7 @@ static int be_set_rss_hash_opts(struct be_adapter *adapter, return status; if (be_multi_rxq(adapter)) { - for (j = 0; j < 128; j += adapter->num_rx_qs - 1) { + for (j = 0; j < 128; j += adapter->num_rss_qs) { for_all_rss_queues(adapter, rxo, i) { if ((j + i) >= 128) break; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 7eccebc676e2..c4c3a93cac99 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -2454,13 +2454,19 @@ static int be_rx_cqs_create(struct be_adapter *adapter) int rc, i; /* We can create as many RSS rings as there are EQs. */ - adapter->num_rx_qs = adapter->num_evt_qs; + adapter->num_rss_qs = adapter->num_evt_qs; - /* We'll use RSS only if atleast 2 RSS rings are supported. - * When RSS is used, we'll need a default RXQ for non-IP traffic. + /* We'll use RSS only if atleast 2 RSS rings are supported. */ + if (adapter->num_rss_qs <= 1) + adapter->num_rss_qs = 0; + + adapter->num_rx_qs = adapter->num_rss_qs + adapter->need_def_rxq; + + /* When the interface is not capable of RSS rings (and there is no + * need to create a default RXQ) we'll still need one RXQ */ - if (adapter->num_rx_qs > 1) - adapter->num_rx_qs++; + if (adapter->num_rx_qs == 0) + adapter->num_rx_qs = 1; adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; for_all_rx_queues(adapter, rxo, i) { @@ -2479,8 +2485,7 @@ static int be_rx_cqs_create(struct be_adapter *adapter) } dev_info(&adapter->pdev->dev, - "created %d RSS queue(s) and 1 default RX queue\n", - adapter->num_rx_qs - 1); + "created %d RX queue(s)\n", adapter->num_rx_qs); return 0; } @@ -3110,12 +3115,14 @@ static int be_rx_qs_create(struct be_adapter *adapter) return rc; } - /* The FW would like the default RXQ to be created first */ - rxo = default_rxo(adapter); - rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, rx_frag_size, - adapter->if_handle, false, &rxo->rss_id); - if (rc) - return rc; + if (adapter->need_def_rxq || !adapter->num_rss_qs) { + rxo = default_rxo(adapter); + rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, + rx_frag_size, adapter->if_handle, + false, &rxo->rss_id); + if (rc) + return rc; + } for_all_rss_queues(adapter, rxo, i) { rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, @@ -3126,8 +3133,7 @@ static int be_rx_qs_create(struct be_adapter *adapter) } if (be_multi_rxq(adapter)) { - for (j = 0; j < RSS_INDIR_TABLE_LEN; - j += adapter->num_rx_qs - 1) { + for (j = 0; j < RSS_INDIR_TABLE_LEN; j += adapter->num_rss_qs) { for_all_rss_queues(adapter, rxo, i) { if ((j + i) >= RSS_INDIR_TABLE_LEN) break; @@ -3439,7 +3445,7 @@ static int be_if_create(struct be_adapter *adapter, u32 *if_handle, en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS | - BE_IF_FLAGS_RSS; + BE_IF_FLAGS_RSS | BE_IF_FLAGS_DEFQ_RSS; en_flags &= cap_flags; @@ -3649,6 +3655,7 @@ static void BEx_get_resources(struct be_adapter *adapter, res->max_evt_qs = 1; res->if_cap_flags = BE_IF_CAP_FLAGS_WANT; + res->if_cap_flags &= ~BE_IF_FLAGS_DEFQ_RSS; if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS)) res->if_cap_flags &= ~BE_IF_FLAGS_RSS; } @@ -3731,12 +3738,23 @@ static int be_get_resources(struct be_adapter *adapter) if (status) return status; + /* If a deafault RXQ must be created, we'll use up one RSSQ*/ + if (res.max_rss_qs && res.max_rss_qs == res.max_rx_qs && + !(res.if_cap_flags & BE_IF_FLAGS_DEFQ_RSS)) + res.max_rss_qs -= 1; + /* If RoCE may be enabled stash away half the EQs for RoCE */ if (be_roce_supported(adapter)) res.max_evt_qs /= 2; adapter->res = res; } + /* If FW supports RSS default queue, then skip creating non-RSS + * queue for non-IP traffic. + */ + adapter->need_def_rxq = (be_if_cap_flags(adapter) & + BE_IF_FLAGS_DEFQ_RSS) ? 0 : 1; + dev_info(dev, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n", be_max_txqs(adapter), be_max_rxqs(adapter), be_max_rss(adapter), be_max_eqs(adapter), |