diff options
author | Sathya Perla <sathya.perla@emulex.com> | 2010-10-04 05:12:27 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2010-10-04 05:12:27 (GMT) |
commit | 3abcdeda59c1d4cf2bf83311ed2d544355ec7c2d (patch) | |
tree | c259d095b583f7fd2183e3eec43f1a5668468248 /drivers/net/benet/be.h | |
parent | 72829071269b19381173a13ea1b2ca2f4f9d4cec (diff) | |
download | linux-fsl-qoriq-3abcdeda59c1d4cf2bf83311ed2d544355ec7c2d.tar.xz |
be2net: add multiple RX queue support
This patch adds multiple RX queue support to be2net. There are
upto 4 extra rx-queues per port into which TCP/UDP traffic can be hashed into.
Some of the ethtool stats are now displayed on a per queue basis.
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/benet/be.h')
-rw-r--r-- | drivers/net/benet/be.h | 82 |
1 files changed, 44 insertions, 38 deletions
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h index 4faf696..1afabb1 100644 --- a/drivers/net/benet/be.h +++ b/drivers/net/benet/be.h @@ -78,6 +78,8 @@ 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 BE_MAX_MSIX_VECTORS (MAX_RSS_QS + 1 + 1)/* RSS qs + 1 def Rx + Tx */ #define BE_NAPI_WEIGHT 64 #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */ #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST) @@ -157,10 +159,9 @@ struct be_mcc_obj { bool rearm_cq; }; -struct be_drvr_stats { +struct be_tx_stats { u32 be_tx_reqs; /* number of TX requests initiated */ u32 be_tx_stops; /* number of times TX Q was stopped */ - u32 be_fwd_reqs; /* number of send reqs through forwarding i/f */ u32 be_tx_wrbs; /* number of tx WRBs used */ u32 be_tx_events; /* number of tx completion events */ u32 be_tx_compl; /* number of tx completion entries processed */ @@ -169,35 +170,6 @@ struct be_drvr_stats { u64 be_tx_bytes_prev; u64 be_tx_pkts; u32 be_tx_rate; - - u32 cache_barrier[16]; - - u32 be_ethrx_post_fail;/* number of ethrx buffer alloc failures */ - u32 be_rx_polls; /* number of times NAPI called poll function */ - u32 be_rx_events; /* number of ucast rx completion events */ - u32 be_rx_compl; /* number of rx completion entries processed */ - ulong be_rx_jiffies; - u64 be_rx_bytes; - u64 be_rx_bytes_prev; - u64 be_rx_pkts; - u32 be_rx_rate; - u32 be_rx_mcast_pkt; - /* number of non ether type II frames dropped where - * frame len > length field of Mac Hdr */ - u32 be_802_3_dropped_frames; - /* number of non ether type II frames malformed where - * in frame len < length field of Mac Hdr */ - u32 be_802_3_malformed_frames; - u32 be_rxcp_err; /* Num rx completion entries w/ err set. */ - ulong rx_fps_jiffies; /* jiffies at last FPS calc */ - u32 be_rx_frags; - u32 be_prev_rx_frags; - u32 be_rx_fps; /* Rx frags per second */ -}; - -struct be_stats_obj { - struct be_drvr_stats drvr_stats; - struct be_dma_mem cmd; }; struct be_tx_obj { @@ -215,10 +187,34 @@ struct be_rx_page_info { bool last_page_user; }; +struct be_rx_stats { + u32 rx_post_fail;/* number of ethrx buffer alloc failures */ + u32 rx_polls; /* number of times NAPI called poll function */ + u32 rx_events; /* number of ucast rx completion events */ + u32 rx_compl; /* number of rx completion entries processed */ + ulong rx_jiffies; + u64 rx_bytes; + u64 rx_bytes_prev; + u64 rx_pkts; + u32 rx_rate; + u32 rx_mcast_pkts; + u32 rxcp_err; /* Num rx completion entries w/ err set. */ + ulong rx_fps_jiffies; /* jiffies at last FPS calc */ + u32 rx_frags; + u32 prev_rx_frags; + u32 rx_fps; /* Rx frags per second */ +}; + struct be_rx_obj { + struct be_adapter *adapter; struct be_queue_info q; struct be_queue_info cq; 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]; }; struct be_vf_cfg { @@ -229,7 +225,6 @@ struct be_vf_cfg { u32 vf_tx_rate; }; -#define BE_NUM_MSIX_VECTORS 2 /* 1 each for Tx and Rx */ #define BE_INVALID_PMAC_ID 0xffffffff struct be_adapter { struct pci_dev *pdev; @@ -249,21 +244,21 @@ 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_NUM_MSIX_VECTORS]; + struct msix_entry msix_entries[BE_MAX_MSIX_VECTORS]; bool msix_enabled; bool isr_registered; /* TX Rings */ struct be_eq_obj tx_eq; struct be_tx_obj tx_obj; + struct be_tx_stats tx_stats; u32 cache_line_break[8]; /* Rx rings */ - struct be_eq_obj rx_eq; - struct be_rx_obj rx_obj; + struct be_rx_obj rx_obj[MAX_RSS_QS + 1]; /* one default non-rss Q */ + u32 num_rx_qs; u32 big_page_size; /* Compounded page size shared by rx wrbs */ - bool rx_post_starved; /* Zero rx frags have been posted to BE */ struct vlan_group *vlan_grp; u16 vlans_added; @@ -271,7 +266,7 @@ struct be_adapter { u8 vlan_tag[VLAN_GROUP_ARRAY_LEN]; struct be_dma_mem mc_cmd_mem; - struct be_stats_obj stats; + struct be_dma_mem stats_cmd; /* Work queue used to perform periodic tasks like getting statistics */ struct delayed_work work; @@ -287,6 +282,7 @@ struct be_adapter { bool promiscuous; bool wol; u32 function_mode; + u32 function_caps; u32 rx_fc; /* Rx flow control */ u32 tx_fc; /* Tx flow control */ bool ue_detected; @@ -313,10 +309,20 @@ struct be_adapter { extern const struct ethtool_ops be_ethtool_ops; -#define drvr_stats(adapter) (&adapter->stats.drvr_stats) +#define tx_stats(adapter) (&adapter->tx_stats) +#define rx_stats(rxo) (&rxo->stats) #define BE_SET_NETDEV_OPS(netdev, ops) (netdev->netdev_ops = ops) +#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 */ +#define for_all_rss_queues(adapter, rxo, i) \ + for (i = 0, rxo = &adapter->rx_obj[i+1]; i < (adapter->num_rx_qs - 1);\ + i++, rxo++) + #define PAGE_SHIFT_4K 12 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) |