From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: [PATCH 3/4] ethdev: move representor parsing functions Date: Tue, 9 Oct 2018 04:18:57 +0200 Message-ID: <20181009021858.19216-4-thomas@monjalon.net> References: <20181009021858.19216-1-thomas@monjalon.net> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: gaetan.rivet@6wind.com, ophirmu@mellanox.com, ferruh.yigit@intel.com, arybchenko@solarflare.com, olivier.matz@6wind.com, remy.horton@intel.com To: dev@dpdk.org Return-path: Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by dpdk.org (Postfix) with ESMTP id A72FC1B152 for ; Tue, 9 Oct 2018 04:19:07 +0200 (CEST) In-Reply-To: <20181009021858.19216-1-thomas@monjalon.net> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The functions for representor devargs parsing were static in the file rte_ethdev.c. In order to reuse them in the file rte_class_eth.c, they are moved to the files ethdev_private.c/.h. Signed-off-by: Thomas Monjalon --- lib/librte_ethdev/ethdev_private.c | 82 ++++++++++++++++++++++++++++ lib/librte_ethdev/ethdev_private.h | 6 +++ lib/librte_ethdev/rte_ethdev.c | 85 ------------------------------ 3 files changed, 88 insertions(+), 85 deletions(-) diff --git a/lib/librte_ethdev/ethdev_private.c b/lib/librte_ethdev/ethdev_private.c index acc787dba..c34f3ce99 100644 --- a/lib/librte_ethdev/ethdev_private.c +++ b/lib/librte_ethdev/ethdev_private.c @@ -3,6 +3,7 @@ */ #include "rte_ethdev.h" +#include "rte_ethdev_driver.h" #include "ethdev_private.h" uint16_t @@ -37,3 +38,84 @@ eth_find_device(const struct rte_eth_dev *start, rte_eth_cmp_t cmp, return NULL; } +int +rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback, + void *data) +{ + char *str_start; + int state; + int result; + + if (*str != '[') + /* Single element, not a list */ + return callback(str, data); + + /* Sanity check, then strip the brackets */ + str_start = &str[strlen(str) - 1]; + if (*str_start != ']') { + RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str); + return -EINVAL; + } + str++; + *str_start = '\0'; + + /* Process list elements */ + state = 0; + while (1) { + if (state == 0) { + if (*str == '\0') + break; + if (*str != ',') { + str_start = str; + state = 1; + } + } else if (state == 1) { + if (*str == ',' || *str == '\0') { + if (str > str_start) { + /* Non-empty string fragment */ + *str = '\0'; + result = callback(str_start, data); + if (result < 0) + return result; + } + state = 0; + } + } + str++; + } + return 0; +} + +static int +rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list, + const uint16_t max_list) +{ + uint16_t lo, hi, val; + int result; + + result = sscanf(str, "%hu-%hu", &lo, &hi); + if (result == 1) { + if (*len_list >= max_list) + return -ENOMEM; + list[(*len_list)++] = lo; + } else if (result == 2) { + if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS) + return -EINVAL; + for (val = lo; val <= hi; val++) { + if (*len_list >= max_list) + return -ENOMEM; + list[(*len_list)++] = val; + } + } else + return -EINVAL; + return 0; +} + +int +rte_eth_devargs_parse_representor_ports(char *str, void *data) +{ + struct rte_eth_devargs *eth_da = data; + + return rte_eth_devargs_process_range(str, eth_da->representor_ports, + ð_da->nb_representor_ports, RTE_MAX_ETHPORTS); +} diff --git a/lib/librte_ethdev/ethdev_private.h b/lib/librte_ethdev/ethdev_private.h index e67cf6831..7b787bf97 100644 --- a/lib/librte_ethdev/ethdev_private.h +++ b/lib/librte_ethdev/ethdev_private.h @@ -25,6 +25,12 @@ struct rte_eth_dev * eth_find_device(const struct rte_eth_dev *_start, rte_eth_cmp_t cmp, const void *data); +/* Parse devargs value for representor parameter. */ +typedef int (*rte_eth_devargs_callback_t)(char *str, void *data); +int rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback, + void *data); +int rte_eth_devargs_parse_representor_ports(char *str, void *data); + #ifdef __cplusplus } #endif diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c index 9aef0a943..b20082b54 100644 --- a/lib/librte_ethdev/rte_ethdev.c +++ b/lib/librte_ethdev/rte_ethdev.c @@ -4304,8 +4304,6 @@ rte_eth_switch_domain_free(uint16_t domain_id) return 0; } -typedef int (*rte_eth_devargs_callback_t)(char *str, void *data); - static int rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in) { @@ -4370,89 +4368,6 @@ rte_eth_devargs_tokenise(struct rte_kvargs *arglist, const char *str_in) } } -static int -rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback, - void *data) -{ - char *str_start; - int state; - int result; - - if (*str != '[') - /* Single element, not a list */ - return callback(str, data); - - /* Sanity check, then strip the brackets */ - str_start = &str[strlen(str) - 1]; - if (*str_start != ']') { - RTE_LOG(ERR, EAL, "(%s): List does not end with ']'", str); - return -EINVAL; - } - str++; - *str_start = '\0'; - - /* Process list elements */ - state = 0; - while (1) { - if (state == 0) { - if (*str == '\0') - break; - if (*str != ',') { - str_start = str; - state = 1; - } - } else if (state == 1) { - if (*str == ',' || *str == '\0') { - if (str > str_start) { - /* Non-empty string fragment */ - *str = '\0'; - result = callback(str_start, data); - if (result < 0) - return result; - } - state = 0; - } - } - str++; - } - return 0; -} - -static int -rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list, - const uint16_t max_list) -{ - uint16_t lo, hi, val; - int result; - - result = sscanf(str, "%hu-%hu", &lo, &hi); - if (result == 1) { - if (*len_list >= max_list) - return -ENOMEM; - list[(*len_list)++] = lo; - } else if (result == 2) { - if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS) - return -EINVAL; - for (val = lo; val <= hi; val++) { - if (*len_list >= max_list) - return -ENOMEM; - list[(*len_list)++] = val; - } - } else - return -EINVAL; - return 0; -} - - -static int -rte_eth_devargs_parse_representor_ports(char *str, void *data) -{ - struct rte_eth_devargs *eth_da = data; - - return rte_eth_devargs_process_range(str, eth_da->representor_ports, - ð_da->nb_representor_ports, RTE_MAX_ETHPORTS); -} - int __rte_experimental rte_eth_devargs_parse(const char *dargs, struct rte_eth_devargs *eth_da) { -- 2.19.0