diff options
| author | Karsten Graul <kgraul@linux.ibm.com> | 2021-10-16 11:37:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-16 14:58:12 +0100 |
| commit | e5c4744cfb598f98672f8d21d59ef2c1fa9c9b5f (patch) | |
| tree | 30edacc4d9bf361c7d07f78205517a9e90af3b61 /net/smc/smc_ib.h | |
| parent | 42042dbbc2ebb926e594b22490374d9343c746ef (diff) | |
net/smc: add SMC-Rv2 connection establishment
Send a CLC proposal message, and the remote side process this type of
message and determine the target GID. Check for a valid route to this
GID, and complete the connection establishment.
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_ib.h')
| -rw-r--r-- | net/smc/smc_ib.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/smc/smc_ib.h b/net/smc/smc_ib.h index 3085f5180da7..c55cbd7be67a 100644 --- a/net/smc/smc_ib.h +++ b/net/smc/smc_ib.h @@ -59,6 +59,17 @@ struct smc_ib_device { /* ib-device infos for smc */ int ndev_ifidx[SMC_MAX_PORTS]; /* ndev if indexes */ }; +static inline __be32 smc_ib_gid_to_ipv4(u8 gid[SMC_GID_SIZE]) +{ + struct in6_addr *addr6 = (struct in6_addr *)gid; + + if (ipv6_addr_v4mapped(addr6) || + !(addr6->s6_addr32[0] | addr6->s6_addr32[1] | addr6->s6_addr32[2])) + return addr6->s6_addr32[3]; + return cpu_to_be32(INADDR_NONE); +} + +struct smc_init_info_smcrv2; struct smc_buf_desc; struct smc_link; @@ -91,6 +102,8 @@ void smc_ib_sync_sg_for_device(struct smc_link *lnk, enum dma_data_direction data_direction); int smc_ib_determine_gid(struct smc_ib_device *smcibdev, u8 ibport, unsigned short vlan_id, u8 gid[], u8 *sgid_index); +int smc_ib_find_route(__be32 saddr, __be32 daddr, + u8 nexthop_mac[], u8 *uses_gateway); bool smc_ib_is_valid_local_systemid(void); int smcr_nl_get_device(struct sk_buff *skb, struct netlink_callback *cb); #endif |