diff options
Diffstat (limited to 'drivers/net/ethernet/emulex/benet/be.h')
| -rw-r--r-- | drivers/net/ethernet/emulex/benet/be.h | 71 |
1 files changed, 42 insertions, 29 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index cbdec2536da6..86f51dea0c39 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -74,11 +74,14 @@ static inline char *nic_name(struct pci_dev *pdev) /* Number of bytes of an RX frame that are copied to skb->data */ #define BE_HDR_LEN ((u16) 64) +/* allocate extra space to allow tunneling decapsulation without head reallocation */ +#define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64) + #define BE_MAX_JUMBO_FRAME_SIZE 9018 #define BE_MIN_MTU 256 #define BE_NUM_VLANS_SUPPORTED 64 -#define BE_MAX_EQD 96 +#define BE_MAX_EQD 96u #define BE_MAX_TX_FRAG_COUNT 30 #define EVNT_Q_LEN 1024 @@ -89,12 +92,16 @@ static inline char *nic_name(struct pci_dev *pdev) #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */ #define MCC_CQ_LEN 256 -#define MAX_RSS_QS 4 /* BE limit is 4 queues/port */ +#define BE3_MAX_RSS_QS 8 +#define BE2_MAX_RSS_QS 4 +#define MAX_RSS_QS BE3_MAX_RSS_QS #define MAX_RX_QS (MAX_RSS_QS + 1) /* RSS qs + 1 def Rx */ + #define MAX_TX_QS 8 -#define BE_MAX_MSIX_VECTORS (MAX_RX_QS + 1)/* RX + TX */ +#define MAX_MSIX_VECTORS MAX_RSS_QS +#define BE_TX_BUDGET 256 #define BE_NAPI_WEIGHT 64 -#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */ +#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */ #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST) #define FW_VER_LEN 32 @@ -162,13 +169,16 @@ struct be_eq_obj { /* Adaptive interrupt coalescing (AIC) info */ bool enable_aic; - u16 min_eqd; /* in usecs */ - u16 max_eqd; /* in usecs */ - u16 cur_eqd; /* in usecs */ - u8 eq_idx; + u32 min_eqd; /* in usecs */ + u32 max_eqd; /* in usecs */ + u32 eqd; /* configured val when aic is off */ + u32 cur_eqd; /* in usecs */ + u8 idx; /* array index */ + u16 tx_budget; struct napi_struct napi; -}; + struct be_adapter *adapter; +} ____cacheline_aligned_in_smp; struct be_mcc_obj { struct be_queue_info q; @@ -194,7 +204,7 @@ struct be_tx_obj { /* Remember the skbs that were transmitted */ struct sk_buff *sent_skb_list[TX_Q_LEN]; struct be_tx_stats stats; -}; +} ____cacheline_aligned_in_smp; /* Struct to remember the pages posted for rx frags */ struct be_rx_page_info { @@ -212,8 +222,6 @@ struct be_rx_stats { u32 rx_drops_no_skbs; /* skb allocation errors */ u32 rx_drops_no_frags; /* HW has no fetched frags */ u32 rx_post_fail; /* page post alloc failures */ - u32 rx_polls; /* NAPI calls */ - u32 rx_events; u32 rx_compl; u32 rx_mcast_pkts; u32 rx_compl_err; /* completions with err set */ @@ -246,23 +254,19 @@ struct be_rx_obj { struct be_queue_info cq; struct be_rx_compl_info rxcp; struct be_rx_page_info page_info_tbl[RX_Q_LEN]; - struct be_eq_obj rx_eq; struct be_rx_stats stats; u8 rss_id; bool rx_post_starved; /* Zero rx frags have been posted to BE */ - u32 cache_line_barrier[16]; -}; +} ____cacheline_aligned_in_smp; struct be_drv_stats { u32 be_on_die_temperature; - u32 tx_events; u32 eth_red_drops; u32 rx_drops_no_pbuf; u32 rx_drops_no_txpb; u32 rx_drops_no_erx_descr; u32 rx_drops_no_tpre_descr; u32 rx_drops_too_many_frags; - u32 rx_drops_invalid_ring; u32 forwarded_packets; u32 rx_drops_mtu; u32 rx_crc_errors; @@ -273,7 +277,7 @@ struct be_drv_stats { u32 rx_in_range_errors; u32 rx_out_range_errors; u32 rx_frame_too_long; - u32 rx_address_match_errors; + u32 rx_address_mismatch_drops; u32 rx_dropped_too_small; u32 rx_dropped_too_short; u32 rx_dropped_header_too_small; @@ -318,20 +322,19 @@ struct be_adapter { spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */ spinlock_t mcc_cq_lock; - struct msix_entry msix_entries[BE_MAX_MSIX_VECTORS]; u32 num_msix_vec; + u32 num_evt_qs; + struct be_eq_obj eq_obj[MAX_MSIX_VECTORS]; + struct msix_entry msix_entries[MAX_MSIX_VECTORS]; bool isr_registered; /* TX Rings */ - struct be_eq_obj tx_eq; + u32 num_tx_qs; struct be_tx_obj tx_obj[MAX_TX_QS]; - u8 num_tx_qs; - - u32 cache_line_break[8]; /* Rx rings */ - struct be_rx_obj rx_obj[MAX_RX_QS]; u32 num_rx_qs; + struct be_rx_obj rx_obj[MAX_RX_QS]; u32 big_page_size; /* Compounded page size shared by rx wrbs */ u8 eq_next_idx; @@ -402,24 +405,34 @@ struct be_adapter { extern const struct ethtool_ops be_ethtool_ops; #define msix_enabled(adapter) (adapter->num_msix_vec > 0) -#define tx_stats(txo) (&txo->stats) -#define rx_stats(rxo) (&rxo->stats) +#define num_irqs(adapter) (msix_enabled(adapter) ? \ + adapter->num_msix_vec : 1) +#define tx_stats(txo) (&(txo)->stats) +#define rx_stats(rxo) (&(rxo)->stats) -#define BE_SET_NETDEV_OPS(netdev, ops) (netdev->netdev_ops = ops) +/* The default RXQ is the last RXQ */ +#define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1]) #define for_all_rx_queues(adapter, rxo, i) \ for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \ i++, rxo++) -/* Just skip the first default non-rss queue */ +/* Skip the default non-rss queue (last one)*/ #define for_all_rss_queues(adapter, rxo, i) \ - for (i = 0, rxo = &adapter->rx_obj[i+1]; i < (adapter->num_rx_qs - 1);\ + for (i = 0, rxo = &adapter->rx_obj[i]; i < (adapter->num_rx_qs - 1);\ i++, rxo++) #define for_all_tx_queues(adapter, txo, i) \ for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \ i++, txo++) +#define for_all_evt_queues(adapter, eqo, i) \ + for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \ + i++, eqo++) + +#define is_mcc_eqo(eqo) (eqo->idx == 0) +#define mcc_eqo(adapter) (&adapter->eq_obj[0]) + #define PAGE_SHIFT_4K 12 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) |