Dave, incorporated your comment to discover the num of supported MSIx vectors
dynamically; thanks.
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>
---
drivers/net/benet/be.h | 82 +++---
drivers/net/benet/be_cmds.c | 40 +++-
drivers/net/benet/be_cmds.h | 32 ++-
drivers/net/benet/be_ethtool.c | 174 ++++++++-----
drivers/net/benet/be_main.c | 561 ++++++++++++++++++++++------------------
5 files changed, 526 insertions(+), 363 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 ...
