diff options
Diffstat (limited to 'net/smc/smc_llc.h')
| -rw-r--r-- | net/smc/smc_llc.h | 69 |
1 files changed, 61 insertions, 8 deletions
diff --git a/net/smc/smc_llc.h b/net/smc/smc_llc.h index 461c0c3ef76e..a5d2fe3eea61 100644 --- a/net/smc/smc_llc.h +++ b/net/smc/smc_llc.h @@ -28,6 +28,7 @@ enum smc_llc_reqresp { enum smc_llc_msg_type { SMC_LLC_CONFIRM_LINK = 0x01, SMC_LLC_ADD_LINK = 0x02, + SMC_LLC_ADD_LINK_CONT = 0x03, SMC_LLC_DELETE_LINK = 0x04, SMC_LLC_CONFIRM_RKEY = 0x06, SMC_LLC_TEST_LINK = 0x07, @@ -35,22 +36,74 @@ enum smc_llc_msg_type { SMC_LLC_DELETE_RKEY = 0x09, }; +#define smc_link_downing(state) \ + (cmpxchg(state, SMC_LNK_ACTIVE, SMC_LNK_INACTIVE) == SMC_LNK_ACTIVE) + +/* LLC DELETE LINK Request Reason Codes */ +#define SMC_LLC_DEL_LOST_PATH 0x00010000 +#define SMC_LLC_DEL_OP_INIT_TERM 0x00020000 +#define SMC_LLC_DEL_PROG_INIT_TERM 0x00030000 +#define SMC_LLC_DEL_PROT_VIOL 0x00040000 +#define SMC_LLC_DEL_NO_ASYM_NEEDED 0x00050000 +/* LLC DELETE LINK Response Reason Codes */ +#define SMC_LLC_DEL_NOLNK 0x00100000 /* Unknown Link ID (no link) */ +#define SMC_LLC_DEL_NOLGR 0x00200000 /* Unknown Link Group */ + +/* returns a usable link of the link group, or NULL */ +static inline struct smc_link *smc_llc_usable_link(struct smc_link_group *lgr) +{ + int i; + + for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) + if (smc_link_usable(&lgr->lnk[i])) + return &lgr->lnk[i]; + return NULL; +} + +/* set the termination reason code for the link group */ +static inline void smc_llc_set_termination_rsn(struct smc_link_group *lgr, + u32 rsn) +{ + if (!lgr->llc_termination_rsn) + lgr->llc_termination_rsn = rsn; +} + /* transmit */ int smc_llc_send_confirm_link(struct smc_link *lnk, enum smc_llc_reqresp reqresp); int smc_llc_send_add_link(struct smc_link *link, u8 mac[], u8 gid[], + struct smc_link *link_new, enum smc_llc_reqresp reqresp); -int smc_llc_send_delete_link(struct smc_link *link, - enum smc_llc_reqresp reqresp, bool orderly); +int smc_llc_send_delete_link(struct smc_link *link, u8 link_del_id, + enum smc_llc_reqresp reqresp, bool orderly, + u32 reason); +void smc_llc_srv_delete_link_local(struct smc_link *link, u8 del_link_id); +void smc_llc_lgr_init(struct smc_link_group *lgr, struct smc_sock *smc); +void smc_llc_lgr_clear(struct smc_link_group *lgr); int smc_llc_link_init(struct smc_link *link); -void smc_llc_link_active(struct smc_link *link, int testlink_time); -void smc_llc_link_deleting(struct smc_link *link); -void smc_llc_link_inactive(struct smc_link *link); -void smc_llc_link_clear(struct smc_link *link); -int smc_llc_do_confirm_rkey(struct smc_link *link, +void smc_llc_link_active(struct smc_link *link); +void smc_llc_link_clear(struct smc_link *link, bool log); +int smc_llc_do_confirm_rkey(struct smc_link *send_link, struct smc_buf_desc *rmb_desc); -int smc_llc_do_delete_rkey(struct smc_link *link, +int smc_llc_do_delete_rkey(struct smc_link_group *lgr, struct smc_buf_desc *rmb_desc); +int smc_llc_flow_initiate(struct smc_link_group *lgr, + enum smc_llc_flowtype type); +void smc_llc_flow_stop(struct smc_link_group *lgr, struct smc_llc_flow *flow); +int smc_llc_eval_conf_link(struct smc_llc_qentry *qentry, + enum smc_llc_reqresp type); +void smc_llc_link_set_uid(struct smc_link *link); +void smc_llc_save_peer_uid(struct smc_llc_qentry *qentry); +struct smc_llc_qentry *smc_llc_wait(struct smc_link_group *lgr, + struct smc_link *lnk, + int time_out, u8 exp_msg); +struct smc_llc_qentry *smc_llc_flow_qentry_clr(struct smc_llc_flow *flow); +void smc_llc_flow_qentry_del(struct smc_llc_flow *flow); +void smc_llc_send_link_delete_all(struct smc_link_group *lgr, bool ord, + u32 rsn); +int smc_llc_cli_add_link(struct smc_link *link, struct smc_llc_qentry *qentry); +int smc_llc_srv_add_link(struct smc_link *link); +void smc_llc_srv_add_link_local(struct smc_link *link); int smc_llc_init(void) __init; #endif /* SMC_LLC_H */ |