diff options
| author | Karsten Graul <kgraul@linux.ibm.com> | 2021-10-16 11:37:50 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-16 14:58:13 +0100 |
| commit | b4ba4652b3f8b7c9bbb5786f8acf4724bdab2196 (patch) | |
| tree | 9ec7c43e1e0eda4790a57563bf8b8f1af4bc7180 /net/smc/smc.h | |
| parent | 8799e310fb3f15759824a78b6b93d7e6d5def067 (diff) | |
net/smc: extend LLC layer for SMC-Rv2
Add support for large v2 LLC control messages in smc_llc.c.
The new large work request buffer allows to combine control
messages into one packet that had to be spread over several
packets before.
Add handling of the new v2 LLC messages.
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc.h')
| -rw-r--r-- | net/smc/smc.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/net/smc/smc.h b/net/smc/smc.h index 5e7def3ab730..f4286ca1f228 100644 --- a/net/smc/smc.h +++ b/net/smc/smc.h @@ -56,7 +56,20 @@ enum smc_state { /* possible states of an SMC socket */ struct smc_link_group; struct smc_wr_rx_hdr { /* common prefix part of LLC and CDC to demultiplex */ - u8 type; + union { + u8 type; +#if defined(__BIG_ENDIAN_BITFIELD) + struct { + u8 llc_version:4, + llc_type:4; + }; +#elif defined(__LITTLE_ENDIAN_BITFIELD) + struct { + u8 llc_type:4, + llc_version:4; + }; +#endif + }; } __aligned(1); struct smc_cdc_conn_state_flags { @@ -286,7 +299,12 @@ static inline bool using_ipsec(struct smc_sock *smc) } #endif +struct smc_gidlist; + struct sock *smc_accept_dequeue(struct sock *parent, struct socket *new_sock); void smc_close_non_accepted(struct sock *sk); +void smc_fill_gid_list(struct smc_link_group *lgr, + struct smc_gidlist *gidlist, + struct smc_ib_device *known_dev, u8 *known_gid); #endif /* __SMC_H */ |