diff options
author | Dhananjay Phadke <dhananjay@netxen.com> | 2009-07-27 00:07:37 +0400 |
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committer | David S. Miller <davem@davemloft.net> | 2009-07-27 21:55:19 +0400 |
commit | 6598b169b856793f8f9b80a3f3c5a48f5eaf40e3 (patch) | |
tree | 94ac7225b638d8bea654e1acc7eb3df1fe6f052c /drivers/net/netxen/netxen_nic_hw.c | |
parent | 68b3cae0824b98d1f469a80cc65dcaab81771f45 (diff) | |
download | linux-6598b169b856793f8f9b80a3f3c5a48f5eaf40e3.tar.xz |
netxen: enable ip addr hashing
NX3031 hardware requires local IP addresses for packet
accumulation (LRO). IP address hashing is required to
distinguish a local TCP flow from others (forwarded or
guest).
This patch adds listener for IP and netdev events and
configures IP address in the firmware.
Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/netxen/netxen_nic_hw.c')
-rw-r--r-- | drivers/net/netxen/netxen_nic_hw.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 3c614c3cc62b..088611bb5bdb 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -706,6 +706,30 @@ int netxen_config_rss(struct netxen_adapter *adapter, int enable) return rv; } +int netxen_config_ipaddr(struct netxen_adapter *adapter, u32 ip, int cmd) +{ + nx_nic_req_t req; + u64 word; + int rv; + + memset(&req, 0, sizeof(nx_nic_req_t)); + req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); + + word = NX_NIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16); + req.req_hdr = cpu_to_le64(word); + + req.words[0] = cpu_to_le64(cmd); + req.words[1] = cpu_to_le64(ip); + + rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); + if (rv != 0) { + printk(KERN_ERR "%s: could not notify %s IP 0x%x reuqest\n", + adapter->netdev->name, + (cmd == NX_IP_UP) ? "Add" : "Remove", ip); + } + return rv; +} + int netxen_linkevent_request(struct netxen_adapter *adapter, int enable) { nx_nic_req_t req; |