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[SCSI] qla4xxx: Added support to update mtu
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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commit
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3 changed files with 15 additions and 0 deletions
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@ -343,6 +343,7 @@ struct ipaddress_config {
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struct in6_addr ipv6_addr0;
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struct in6_addr ipv6_addr1;
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struct in6_addr ipv6_default_router_addr;
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uint16_t eth_mtu_size;
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};
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#define QL4_CHAP_MAX_NAME_LEN 256
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@ -333,6 +333,8 @@ qla4xxx_update_local_ip(struct scsi_qla_host *ha,
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ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
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ha->ip_config.ipv4_addr_state =
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le16_to_cpu(init_fw_cb->ipv4_addr_state);
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ha->ip_config.eth_mtu_size =
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le16_to_cpu(init_fw_cb->eth_mtu_size);
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if (ha->acb_version == ACB_SUPPORTED) {
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ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
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@ -230,6 +230,7 @@ static mode_t ql4_attr_is_visible(int param_type, int param)
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case ISCSI_NET_PARAM_VLAN_ID:
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case ISCSI_NET_PARAM_VLAN_PRIORITY:
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case ISCSI_NET_PARAM_VLAN_ENABLED:
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case ISCSI_NET_PARAM_MTU:
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return S_IRUGO;
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default:
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return 0;
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@ -335,6 +336,9 @@ static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
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IPV6_OPT_VLAN_TAGGING_ENABLE) ?
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"enabled" : "disabled");
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break;
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case ISCSI_NET_PARAM_MTU:
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len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size);
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break;
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default:
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len = -ENOSYS;
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}
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@ -718,6 +722,10 @@ static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
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init_fw_cb->ipv6_opts &=
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cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE);
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break;
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case ISCSI_NET_PARAM_MTU:
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init_fw_cb->eth_mtu_size =
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cpu_to_le16(*(uint16_t *)iface_param->value);
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break;
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default:
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ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
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iface_param->param);
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@ -778,6 +786,10 @@ static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
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init_fw_cb->ipv4_ip_opts &=
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cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE);
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break;
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case ISCSI_NET_PARAM_MTU:
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init_fw_cb->eth_mtu_size =
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cpu_to_le16(*(uint16_t *)iface_param->value);
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break;
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default:
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ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
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iface_param->param);
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