*
*/
/*
- * Copyright (c) 2014, Intel Corporation.
+ * Copyright (c) 2014, 2016, Intel Corporation.
*/
/*
* Author: Amir Shehata <amir.shehata@intel.com>
#define LNET_MAX_SHOW_NUM_CPT 128
#define LNET_UNDEFINED_HOPS ((__u32) -1)
+/*
+ * To allow for future enhancements to extend the tunables
+ * add a hdr to this structure, so that the version can be set
+ * and checked for backwards compatibility. Newer versions of LNet
+ * can still work with older versions of lnetctl. The restriction is
+ * that the structure can be added to and not removed from in order
+ * to not invalidate older lnetctl utilities. Moreover, the order of
+ * fields must remain the same, and new fields appended to the structure
+ *
+ * That said all existing LND tunables will be added in this structure
+ * to avoid future changes.
+ */
+struct lnet_ioctl_config_lnd_cmn_tunables {
+ __u32 lct_version;
+ __s32 lct_peer_timeout;
+ __s32 lct_peer_tx_credits;
+ __s32 lct_peer_rtr_credits;
+ __s32 lct_max_tx_credits;
+};
+
+struct lnet_ioctl_config_o2iblnd_tunables {
+ __u32 lnd_version;
+ __u32 lnd_peercredits_hiw;
+ __u32 lnd_map_on_demand;
+ __u32 lnd_concurrent_sends;
+ __u32 lnd_fmr_pool_size;
+ __u32 lnd_fmr_flush_trigger;
+ __u32 lnd_fmr_cache;
+ __u32 pad;
+};
+
+struct lnet_lnd_tunables {
+ union {
+ struct lnet_ioctl_config_o2iblnd_tunables lnd_o2ib;
+ } lnd_tun_u;
+};
+
+struct lnet_ioctl_config_lnd_tunables {
+ struct lnet_ioctl_config_lnd_cmn_tunables lt_cmn;
+ struct lnet_lnd_tunables lt_tun;
+};
+
struct lnet_ioctl_net_config {
char ni_interfaces[LNET_MAX_INTERFACES][LNET_MAX_STR_LEN];
__u32 ni_status;
__u32 ni_cpts[LNET_MAX_SHOW_NUM_CPT];
+ char cfg_bulk[0];
};
#define LNET_TINY_BUF_IDX 0
__s32 net_peer_rtr_credits;
__s32 net_max_tx_credits;
__u32 net_cksum_algo;
- __u32 net_pad;
+ __u32 net_interface_count;
} cfg_net;
struct {
__u32 buf_enable;
char cfg_bulk[0];
};
+struct lnet_ioctl_element_stats {
+ __u32 send_count;
+ __u32 recv_count;
+ __u32 drop_count;
+};
+
+/*
+ * lnet_ioctl_config_ni
+ * This structure describes an NI configuration. There are multiple components
+ * when configuring an NI: Net, Interfaces, CPT list and LND tunables
+ * A network is passed as a string to the DLC and translated using
+ * libcfs_str2net()
+ * An interface is the name of the system configured interface
+ * (ex eth0, ib1)
+ * CPT is the list of CPTS LND tunables are passed in the lic_bulk area
+ */
+struct lnet_ioctl_config_ni {
+ struct libcfs_ioctl_hdr lic_cfg_hdr;
+ lnet_nid_t lic_nid;
+ char lic_ni_intf[LNET_MAX_INTERFACES][LNET_MAX_STR_LEN];
+ char lic_legacy_ip2nets[LNET_MAX_STR_LEN];
+ __u32 lic_cpts[LNET_MAX_SHOW_NUM_CPT];
+ __u32 lic_ncpts;
+ __u32 lic_status;
+ __u32 lic_tcp_bonding;
+ __u32 lic_idx;
+ __s32 lic_dev_cpt;
+ char pad[4];
+ char lic_bulk[0];
+};
+
+struct lnet_peer_ni_credit_info {
+ char cr_aliveness[LNET_MAX_STR_LEN];
+ __u32 cr_refcount;
+ __s32 cr_ni_peer_tx_credits;
+ __s32 cr_peer_tx_credits;
+ __s32 cr_peer_min_tx_credits;
+ __u32 cr_peer_tx_qnob;
+ __s32 cr_peer_rtr_credits;
+ __s32 cr_peer_min_rtr_credits;
+ __u32 cr_ncpt;
+};
+
struct lnet_ioctl_peer {
struct libcfs_ioctl_hdr pr_hdr;
__u32 pr_count;
__u32 pr_pad;
- __u64 pr_nid;
+ lnet_nid_t pr_nid;
union {
- struct {
- char cr_aliveness[LNET_MAX_STR_LEN];
- __u32 cr_refcount;
- __u32 cr_ni_peer_tx_credits;
- __u32 cr_peer_tx_credits;
- __u32 cr_peer_rtr_credits;
- __u32 cr_peer_min_rtr_credits;
- __u32 cr_peer_tx_qnob;
- __u32 cr_ncpt;
- } pr_peer_credits;
+ struct lnet_peer_ni_credit_info pr_peer_credits;
} pr_lnd_u;
};
+struct lnet_ioctl_peer_cfg {
+ struct libcfs_ioctl_hdr prcfg_hdr;
+ lnet_nid_t prcfg_prim_nid;
+ lnet_nid_t prcfg_cfg_nid;
+ __u32 prcfg_idx;
+ bool prcfg_mr;
+ char prcfg_bulk[0];
+};
+
+struct lnet_ioctl_numa_range {
+ struct libcfs_ioctl_hdr nr_hdr;
+ __u32 nr_range;
+};
+
struct lnet_ioctl_lnet_stats {
struct libcfs_ioctl_hdr st_hdr;
struct lnet_counters st_cntrs;