From: Aya Levin Date: Thu, 28 Feb 2019 12:12:54 +0000 (+0200) Subject: devlink: Refactor validation of finding required arguments X-Git-Tag: v5.4.0~141^2~10 X-Git-Url: https://git.proxmox.com/?p=mirror_iproute2.git;a=commitdiff_plain;h=ae72e655183b6f6872826360d855607d3d0a5617 devlink: Refactor validation of finding required arguments Introducing argument's metadata structure matching a bitmap flag per required argument and an error message if missing. Using this static array to refactor validation of finding required arguments in devlink command line and to ease further maintenance. Signed-off-by: Aya Levin Reviewed-by: Moshe Shemesh Acked-by: Jiri Pirko Signed-off-by: David Ahern --- diff --git a/devlink/devlink.c b/devlink/devlink.c index 5c6cac1f..a774b196 100644 --- a/devlink/devlink.c +++ b/devlink/devlink.c @@ -39,6 +39,7 @@ #define PARAM_CMODE_RUNTIME_STR "runtime" #define PARAM_CMODE_DRIVERINIT_STR "driverinit" #define PARAM_CMODE_PERMANENT_STR "permanent" +#define DL_ARGS_REQUIRED_MAX_ERR_LEN 80 static int g_new_line_count; @@ -954,6 +955,49 @@ static int param_cmode_get(const char *cmodestr, return 0; } +struct dl_args_metadata { + uint32_t o_flag; + char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN]; +}; + +static const struct dl_args_metadata dl_args_required[] = { + {DL_OPT_PORT_TYPE, "Port type not set."}, + {DL_OPT_PORT_COUNT, "Port split count option expected."}, + {DL_OPT_SB_POOL, "Pool index option expected."}, + {DL_OPT_SB_SIZE, "Pool size option expected."}, + {DL_OPT_SB_TYPE, "Pool type option expected."}, + {DL_OPT_SB_THTYPE, "Pool threshold type option expected."}, + {DL_OPT_SB_TH, "Threshold option expected."}, + {DL_OPT_SB_TC, "TC index option expected."}, + {DL_OPT_ESWITCH_MODE, "E-Switch mode option expected."}, + {DL_OPT_ESWITCH_INLINE_MODE, "E-Switch inline-mode option expected."}, + {DL_OPT_DPIPE_TABLE_NAME, "Dpipe table name expected."}, + {DL_OPT_DPIPE_TABLE_COUNTERS, "Dpipe table counter state expected."}, + {DL_OPT_ESWITCH_ENCAP_MODE, "E-Switch encapsulation option expected."}, + {DL_OPT_PARAM_NAME, "Parameter name expected."}, + {DL_OPT_PARAM_VALUE, "Value to set expected."}, + {DL_OPT_PARAM_CMODE, "Configuration mode expected."}, + {DL_OPT_REGION_SNAPSHOT_ID, "Region snapshot id expected."}, + {DL_OPT_REGION_ADDRESS, "Region address value expected."}, + {DL_OPT_REGION_LENGTH, "Region length value expected."}, +}; + +static int dl_args_finding_required_validate(uint32_t o_required, + uint32_t o_found) +{ + uint32_t o_flag; + int i; + + for (i = 0; i < ARRAY_SIZE(dl_args_required); i++) { + o_flag = dl_args_required[i].o_flag; + if ((o_required & o_flag) && !(o_found & o_flag)) { + pr_err("%s\n", dl_args_required[i].err_msg); + return -EINVAL; + } + } + return 0; +} + static int dl_argv_parse(struct dl *dl, uint32_t o_required, uint32_t o_optional) { @@ -1216,114 +1260,7 @@ static int dl_argv_parse(struct dl *dl, uint32_t o_required, opts->present |= DL_OPT_SB; } - if ((o_required & DL_OPT_PORT_TYPE) && !(o_found & DL_OPT_PORT_TYPE)) { - pr_err("Port type option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_PORT_COUNT) && - !(o_found & DL_OPT_PORT_COUNT)) { - pr_err("Port split count option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_POOL) && !(o_found & DL_OPT_SB_POOL)) { - pr_err("Pool index option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_SIZE) && !(o_found & DL_OPT_SB_SIZE)) { - pr_err("Pool size option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_TYPE) && !(o_found & DL_OPT_SB_TYPE)) { - pr_err("Pool type option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_THTYPE) && !(o_found & DL_OPT_SB_THTYPE)) { - pr_err("Pool threshold type option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_TH) && !(o_found & DL_OPT_SB_TH)) { - pr_err("Threshold option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_SB_TC) && !(o_found & DL_OPT_SB_TC)) { - pr_err("TC index option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_ESWITCH_MODE) && - !(o_found & DL_OPT_ESWITCH_MODE)) { - pr_err("E-Switch mode option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_ESWITCH_INLINE_MODE) && - !(o_found & DL_OPT_ESWITCH_INLINE_MODE)) { - pr_err("E-Switch inline-mode option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_DPIPE_TABLE_NAME) && - !(o_found & DL_OPT_DPIPE_TABLE_NAME)) { - pr_err("Dpipe table name expected\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_DPIPE_TABLE_COUNTERS) && - !(o_found & DL_OPT_DPIPE_TABLE_COUNTERS)) { - pr_err("Dpipe table counter state expected\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_ESWITCH_ENCAP_MODE) && - !(o_found & DL_OPT_ESWITCH_ENCAP_MODE)) { - pr_err("E-Switch encapsulation option expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_PARAM_NAME) && - !(o_found & DL_OPT_PARAM_NAME)) { - pr_err("Parameter name expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_PARAM_VALUE) && - !(o_found & DL_OPT_PARAM_VALUE)) { - pr_err("Value to set expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_PARAM_CMODE) && - !(o_found & DL_OPT_PARAM_CMODE)) { - pr_err("Configuration mode expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_REGION_SNAPSHOT_ID) && - !(o_found & DL_OPT_REGION_SNAPSHOT_ID)) { - pr_err("Region snapshot id expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_REGION_ADDRESS) && - !(o_found & DL_OPT_REGION_ADDRESS)) { - pr_err("Region address value expected.\n"); - return -EINVAL; - } - - if ((o_required & DL_OPT_REGION_LENGTH) && - !(o_found & DL_OPT_REGION_LENGTH)) { - pr_err("Region length value expected.\n"); - return -EINVAL; - } - - return 0; + return dl_args_finding_required_validate(o_required, o_found); } static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl)