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| author | amit salecha <amit.salecha@qlogic.com> | 2011-04-11 04:10:22 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-04-11 22:15:57 +0200 |
| commit | c968bdf6912cad6d0fc63d7037cc1c870604a808 (patch) | |
| tree | a2a10926aa0ddac61b30c168d29c487845aacd36 /drivers/net/netxen/netxen_nic.h | |
| parent | bonding:fix two typos (diff) | |
| download | linux-c968bdf6912cad6d0fc63d7037cc1c870604a808.tar.xz linux-c968bdf6912cad6d0fc63d7037cc1c870604a808.zip | |
netxen: limit skb frags for non tso packet
Machines are getting deadlock in four node cluster environment.
All nodes are accessing (find /gfs2 -depth -print|cpio -ocv > /dev/null)
200 GB storage on a GFS2 filesystem.
This result in memory fragmentation and driver receives 18 frags for
1448 byte packets.
For non tso packet, fw drops the tx request, if it has >14 frags.
Fixing it by pulling extra frags.
Cc: stable@kernel.org
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/netxen/netxen_nic.h')
| -rw-r--r-- | drivers/net/netxen/netxen_nic.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index d7299f1a4940..679dc8519c5b 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -174,7 +174,7 @@ #define MAX_NUM_CARDS 4 -#define MAX_BUFFERS_PER_CMD 32 +#define NETXEN_MAX_FRAGS_PER_TX 14 #define MAX_TSO_HEADER_DESC 2 #define MGMT_CMD_DESC_RESV 4 #define TX_STOP_THRESH ((MAX_SKB_FRAGS >> 2) + MAX_TSO_HEADER_DESC \ @@ -558,7 +558,7 @@ struct netxen_recv_crb { */ struct netxen_cmd_buffer { struct sk_buff *skb; - struct netxen_skb_frag frag_array[MAX_BUFFERS_PER_CMD + 1]; + struct netxen_skb_frag frag_array[MAX_SKB_FRAGS + 1]; u32 frag_count; }; |