diff options
Diffstat (limited to 'net/smc/smc_clc.h')
| -rw-r--r-- | net/smc/smc_clc.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/smc/smc_clc.h b/net/smc/smc_clc.h index 0157cffce62c..5cefb0a09eaf 100644 --- a/net/smc/smc_clc.h +++ b/net/smc/smc_clc.h @@ -260,6 +260,22 @@ smc_get_clc_v2_ext(struct smc_clc_msg_proposal *prop) ntohs(prop_smcd->v2_ext_offset)); } +static inline struct smc_clc_smcd_v2_extension * +smc_get_clc_smcd_v2_ext(struct smc_clc_v2_extension *prop_v2ext) +{ + if (!prop_v2ext) + return NULL; + if (!ntohs(prop_v2ext->hdr.smcd_v2_ext_offset)) + return NULL; + + return (struct smc_clc_smcd_v2_extension *) + ((u8 *)prop_v2ext + + offsetof(struct smc_clc_v2_extension, hdr) + + offsetof(struct smc_clnt_opts_area_hdr, smcd_v2_ext_offset) + + sizeof(prop_v2ext->hdr.smcd_v2_ext_offset) + + ntohs(prop_v2ext->hdr.smcd_v2_ext_offset)); +} + struct smcd_dev; struct smc_init_info; |