diff options
| author | Faisal Latif <faisal.latif@intel.com> | 2008-12-24 20:30:04 -0800 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-12-24 20:30:04 -0800 |
| commit | e189062a8ca55b0a1843f0346c3fae1a47297c34 (patch) | |
| tree | ebbe8fad6d9708764de679a03d3de1aacd99e9d4 /drivers/infiniband/hw/nes/nes_cm.h | |
| parent | 6098d107499e1335f899bfcb558253fb7ee4f73f (diff) | |
| download | blackbird-op-linux-e189062a8ca55b0a1843f0346c3fae1a47297c34.tar.gz blackbird-op-linux-e189062a8ca55b0a1843f0346c3fae1a47297c34.zip | |
RDMA/nes: Remove tx_free_list
There is no lock protecting tx_free_list thus causing a system crash
when skb_dequeue() is called and the list is empty. Since it did not give
any performance boost under heavy load, remove it to simplify the code.
Replace get_free_pkt() with dev_alloc_skb() to allocate MAX_CM_BUFFER skb
for connection establishment/teardown as well as MPA request/response.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_cm.h')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_cm.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/nes/nes_cm.h b/drivers/infiniband/hw/nes/nes_cm.h index 3a20a7883976..fafa35042ebd 100644 --- a/drivers/infiniband/hw/nes/nes_cm.h +++ b/drivers/infiniband/hw/nes/nes_cm.h @@ -165,6 +165,8 @@ struct nes_timer_entry { #define NES_CM_DEF_SEQ2 0x18ed5740 #define NES_CM_DEF_LOCAL_ID2 0xb807 +#define MAX_CM_BUFFER 512 + typedef u32 nes_addr_t; @@ -258,8 +260,6 @@ struct nes_cm_listener { /* per connection node and node state information */ struct nes_cm_node { - u32 hashkey; - nes_addr_t loc_addr, rem_addr; u16 loc_port, rem_port; @@ -357,7 +357,6 @@ struct nes_cm_core { u32 mtu; u32 free_tx_pkt_max; u32 rx_pkt_posted; - struct sk_buff_head tx_free_list; atomic_t ht_node_cnt; struct list_head connected_nodes; /* struct list_head hashtable[NES_CM_HASHTABLE_SIZE]; */ |
