From 943c157b7934a3b9fcf5290328be3b84d1a1a104 Mon Sep 17 00:00:00 2001 From: Vikas Chaudhary Date: Mon, 1 Aug 2011 03:26:13 -0700 Subject: [PATCH] [SCSI] qla4xxx: Added support to update mtu Signed-off-by: Vikas Chaudhary Reviewed-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_def.h | 1 + drivers/scsi/qla4xxx/ql4_mbx.c | 2 ++ drivers/scsi/qla4xxx/ql4_os.c | 12 ++++++++++++ 3 files changed, 15 insertions(+) diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index 30efb6c6594c..90dc621a926a 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -343,6 +343,7 @@ struct ipaddress_config { struct in6_addr ipv6_addr0; struct in6_addr ipv6_addr1; struct in6_addr ipv6_default_router_addr; + uint16_t eth_mtu_size; }; #define QL4_CHAP_MAX_NAME_LEN 256 diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index 72ec7e092296..8741cfa98427 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -333,6 +333,8 @@ qla4xxx_update_local_ip(struct scsi_qla_host *ha, ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts); ha->ip_config.ipv4_addr_state = le16_to_cpu(init_fw_cb->ipv4_addr_state); + ha->ip_config.eth_mtu_size = + le16_to_cpu(init_fw_cb->eth_mtu_size); if (ha->acb_version == ACB_SUPPORTED) { ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts); diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 15355f95f560..58a270b74b2a 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -230,6 +230,7 @@ static mode_t ql4_attr_is_visible(int param_type, int param) case ISCSI_NET_PARAM_VLAN_ID: case ISCSI_NET_PARAM_VLAN_PRIORITY: case ISCSI_NET_PARAM_VLAN_ENABLED: + case ISCSI_NET_PARAM_MTU: return S_IRUGO; default: return 0; @@ -335,6 +336,9 @@ static int qla4xxx_get_iface_param(struct iscsi_iface *iface, IPV6_OPT_VLAN_TAGGING_ENABLE) ? "enabled" : "disabled"); break; + case ISCSI_NET_PARAM_MTU: + len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); + break; default: len = -ENOSYS; } @@ -718,6 +722,10 @@ static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, init_fw_cb->ipv6_opts &= cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); break; + case ISCSI_NET_PARAM_MTU: + init_fw_cb->eth_mtu_size = + cpu_to_le16(*(uint16_t *)iface_param->value); + break; default: ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", iface_param->param); @@ -778,6 +786,10 @@ static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, init_fw_cb->ipv4_ip_opts &= cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); break; + case ISCSI_NET_PARAM_MTU: + init_fw_cb->eth_mtu_size = + cpu_to_le16(*(uint16_t *)iface_param->value); + break; default: ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", iface_param->param); -- 2.20.1