diff options
Diffstat (limited to 'net/smc/smc_cdc.h')
| -rw-r--r-- | net/smc/smc_cdc.h | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/net/smc/smc_cdc.h b/net/smc/smc_cdc.h index f60082fee5b8..8fbce4fee3e4 100644 --- a/net/smc/smc_cdc.h +++ b/net/smc/smc_cdc.h @@ -50,6 +50,20 @@ struct smc_cdc_msg { u8 reserved[18]; } __packed; /* format defined in RFC7609 */ +/* CDC message for SMC-D */ +struct smcd_cdc_msg { + struct smc_wr_rx_hdr common; /* Type = 0xFE */ + u8 res1[7]; + u16 prod_wrap; + u32 prod_count; + u8 res2[2]; + u16 cons_wrap; + u32 cons_count; + struct smc_cdc_producer_flags prod_flags; + struct smc_cdc_conn_state_flags conn_state_flags; + u8 res3[8]; +} __packed; + static inline bool smc_cdc_rxed_any_close(struct smc_connection *conn) { return conn->local_rx_ctrl.conn_state_flags.peer_conn_abort || @@ -204,9 +218,9 @@ static inline void smc_cdc_cursor_to_host(union smc_host_cursor *local, smc_curs_write(local, smc_curs_read(&temp, conn), conn); } -static inline void smc_cdc_msg_to_host(struct smc_host_cdc_msg *local, - struct smc_cdc_msg *peer, - struct smc_connection *conn) +static inline void smcr_cdc_msg_to_host(struct smc_host_cdc_msg *local, + struct smc_cdc_msg *peer, + struct smc_connection *conn) { local->common.type = peer->common.type; local->len = peer->len; @@ -218,6 +232,27 @@ static inline void smc_cdc_msg_to_host(struct smc_host_cdc_msg *local, local->conn_state_flags = peer->conn_state_flags; } +static inline void smcd_cdc_msg_to_host(struct smc_host_cdc_msg *local, + struct smcd_cdc_msg *peer) +{ + local->prod.wrap = peer->prod_wrap; + local->prod.count = peer->prod_count; + local->cons.wrap = peer->cons_wrap; + local->cons.count = peer->cons_count; + local->prod_flags = peer->prod_flags; + local->conn_state_flags = peer->conn_state_flags; +} + +static inline void smc_cdc_msg_to_host(struct smc_host_cdc_msg *local, + struct smc_cdc_msg *peer, + struct smc_connection *conn) +{ + if (conn->lgr->is_smcd) + smcd_cdc_msg_to_host(local, (struct smcd_cdc_msg *)peer); + else + smcr_cdc_msg_to_host(local, peer, conn); +} + struct smc_cdc_tx_pend; int smc_cdc_get_free_slot(struct smc_connection *conn, @@ -227,6 +262,8 @@ void smc_cdc_tx_dismiss_slots(struct smc_connection *conn); int smc_cdc_msg_send(struct smc_connection *conn, struct smc_wr_buf *wr_buf, struct smc_cdc_tx_pend *pend); int smc_cdc_get_slot_and_msg_send(struct smc_connection *conn); +int smcd_cdc_msg_send(struct smc_connection *conn); int smc_cdc_init(void) __init; +void smcd_cdc_rx_init(struct smc_connection *conn); #endif /* SMC_CDC_H */ |