[dpdk-dev] [EXT] Re: [PATCH 1/3] app: use RTE_DIM to calculate array size
Pavan Nikhilesh Bhagavatula
pbhagavatula at marvell.com
Thu Nov 7 03:12:15 CET 2019
>On Mon, Oct 28, 2019 at 10:09 AM <pbhagavatula at marvell.com> wrote:
>>
>> From: Pavan Nikhilesh <pbhagavatula at marvell.com>
>>
>> Use RTE_DIM macro to calculate array size
>>
>> Suggested-by: David Marchand <david.marchand at redhat.com>
>> Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
>
>Ah, I was not expecting this soon.
>Thanks for looking at it.
>
>
>> ---
>> app/test-pmd/cmdline.c | 2 +-
>> app/test-pmd/icmpecho.c | 2 +-
>> app/test-pmd/testpmd.c | 2 +-
>> app/test/test.c | 2 +-
>> app/test/test_cmdline_etheraddr.c | 10 +++-------
>> app/test/test_cmdline_ipaddr.c | 18 ++++++------------
>> app/test/test_cmdline_num.c | 16 +++++-----------
>> app/test/test_cmdline_portlist.c | 12 ++++--------
>> app/test/test_cmdline_string.c | 15 +++++----------
>> app/test/test_debug.c | 2 +-
>> app/test/test_eal_flags.c | 9 ++++-----
>> app/test/test_errno.c | 4 ++--
>> app/test/test_lpm.c | 2 +-
>> app/test/test_lpm6.c | 2 +-
>> app/test/test_lpm6_data.h | 3 +--
>> app/test/test_malloc.c | 2 +-
>> app/test/test_memcpy.c | 2 +-
>> app/test/test_memcpy_perf.c | 4 ++--
>> app/test/test_mp_secondary.c | 3 +--
>> app/test/test_pdump.c | 3 +--
>> app/test/test_pmd_ring_perf.c | 2 +-
>> app/test/test_ring_perf.c | 6 +++---
>> app/test/test_timer_secondary.c | 3 +--
>> 23 files changed, 48 insertions(+), 78 deletions(-)
>>
>> diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
>> index 447806991..c6b4e44a2 100644
>> --- a/app/test-pmd/cmdline.c
>> +++ b/app/test-pmd/cmdline.c
>> @@ -5490,7 +5490,7 @@ cmd_show_bypass_config_parsed(void
>*parsed_result,
>> "OS/board off",
>> "power supply off",
>> "timeout"};
>> - int num_events = (sizeof events) / (sizeof events[0]);
>> + int num_events = RTE_DIM(events);
>>
>> /* Display the bypass mode.*/
>> if (rte_pmd_ixgbe_bypass_state_show(port_id, &bypass_mode)
>!= 0) {
>> diff --git a/app/test-pmd/icmpecho.c b/app/test-pmd/icmpecho.c
>> index 2d359c943..65aece16c 100644
>> --- a/app/test-pmd/icmpecho.c
>> +++ b/app/test-pmd/icmpecho.c
>> @@ -188,7 +188,7 @@ ip_proto_name(uint16_t ip_proto)
>> "PIM", /**< Protocol Independent Mcast */
>> };
>>
>> - if (ip_proto < sizeof(ip_proto_names) /
>sizeof(ip_proto_names[0]))
>> + if (ip_proto < RTE_DIM(ip_proto_names))
>> return ip_proto_names[ip_proto];
>> switch (ip_proto) {
>> #ifdef IPPROTO_PGM
>> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
>> index 38acbc58a..1103db629 100644
>> --- a/app/test-pmd/testpmd.c
>> +++ b/app/test-pmd/testpmd.c
>> @@ -2584,7 +2584,7 @@ struct pmd_test_command {
>> cmd_func_t cmd_func;
>> };
>>
>> -#define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) /
>sizeof(pmd_test_menu[0]))
>> +#define PMD_TEST_CMD_NB RTE_DIM(pmd_test_menu)
>
>This macro is just unused and can be shot.
Ill send v2 removing the macros.
Thanks.
>
>
>>
>> /* Check the link status of all ports in up to 9s, and print them finally
>*/
>> static void
>> diff --git a/app/test/test.c b/app/test/test.c
>> index cd7aaf645..784535095 100644
>> --- a/app/test/test.c
>> +++ b/app/test/test.c
>> @@ -74,7 +74,7 @@ do_recursive_call(void)
>>
>> if (recursive_call == NULL)
>> return -1;
>> - for (i = 0; i < sizeof(actions)/sizeof(actions[0]); i++) {
>> + for (i = 0; i < RTE_DIM(actions); i++) {
>> if (strcmp(actions[i].env_var, recursive_call) == 0)
>> return (actions[i].action_fn)();
>> }
>> diff --git a/app/test/test_cmdline_etheraddr.c
>b/app/test/test_cmdline_etheraddr.c
>> index 9a32fd7ec..dc7fa944b 100644
>> --- a/app/test/test_cmdline_etheraddr.c
>> +++ b/app/test/test_cmdline_etheraddr.c
>> @@ -72,13 +72,9 @@ const char * ether_addr_invalid_strs[] = {
>> " ",
>> };
>>
>> -#define ETHERADDR_VALID_STRS_SIZE \
>> - (sizeof(ether_addr_valid_strs) /
>sizeof(ether_addr_valid_strs[0]))
>> -#define ETHERADDR_GARBAGE_STRS_SIZE \
>> - (sizeof(ether_addr_garbage_strs) /
>sizeof(ether_addr_garbage_strs[0]))
>> -#define ETHERADDR_INVALID_STRS_SIZE \
>> - (sizeof(ether_addr_invalid_strs) /
>sizeof(ether_addr_invalid_strs[0]))
>> -
>> +#define ETHERADDR_VALID_STRS_SIZE
>RTE_DIM(ether_addr_valid_strs)
>> +#define ETHERADDR_GARBAGE_STRS_SIZE
>RTE_DIM(ether_addr_garbage_strs)
>> +#define ETHERADDR_INVALID_STRS_SIZE
>RTE_DIM(ether_addr_invalid_strs)
>
>Those macros are just used once, in loops enumerating the array
>entries.
>Let's remove them and replace inline:
>
> /* test full strings */
>- for (i = 0; i < ETHERADDR_VALID_STRS_SIZE; i++) {
>+ for (i = 0; i < RTE_DIM(ether_addr_valid_strs); i++) {
>
>etc...
>
>>
>>
>> static int
>> diff --git a/app/test/test_cmdline_ipaddr.c
>b/app/test/test_cmdline_ipaddr.c
>> index 2d11ce936..0c90162e8 100644
>> --- a/app/test/test_cmdline_ipaddr.c
>> +++ b/app/test/test_cmdline_ipaddr.c
>> @@ -264,18 +264,12 @@ const char * ipaddr_invalid_strs[] = {
>> " ",
>> };
>>
>> -#define IPADDR_VALID_STRS_SIZE \
>> - (sizeof(ipaddr_valid_strs) / sizeof(ipaddr_valid_strs[0]))
>> -#define IPADDR_GARBAGE_ADDR4_STRS_SIZE \
>> - (sizeof(ipaddr_garbage_addr4_strs) /
>sizeof(ipaddr_garbage_addr4_strs[0]))
>> -#define IPADDR_GARBAGE_ADDR6_STRS_SIZE \
>> - (sizeof(ipaddr_garbage_addr6_strs) /
>sizeof(ipaddr_garbage_addr6_strs[0]))
>> -#define IPADDR_GARBAGE_NETWORK4_STRS_SIZE \
>> - (sizeof(ipaddr_garbage_network4_strs) /
>sizeof(ipaddr_garbage_network4_strs[0]))
>> -#define IPADDR_GARBAGE_NETWORK6_STRS_SIZE \
>> - (sizeof(ipaddr_garbage_network6_strs) /
>sizeof(ipaddr_garbage_network6_strs[0]))
>> -#define IPADDR_INVALID_STRS_SIZE \
>> - (sizeof(ipaddr_invalid_strs) / sizeof(ipaddr_invalid_strs[0]))
>> +#define IPADDR_VALID_STRS_SIZE RTE_DIM(ipaddr_valid_strs)
>> +#define IPADDR_GARBAGE_ADDR4_STRS_SIZE
>RTE_DIM(ipaddr_garbage_addr4_strs)
>> +#define IPADDR_GARBAGE_ADDR6_STRS_SIZE
>RTE_DIM(ipaddr_garbage_addr6_strs)
>> +#define IPADDR_GARBAGE_NETWORK4_STRS_SIZE
>RTE_DIM(ipaddr_garbage_network4_strs)
>> +#define IPADDR_GARBAGE_NETWORK6_STRS_SIZE
>RTE_DIM(ipaddr_garbage_network6_strs)
>> +#define IPADDR_INVALID_STRS_SIZE RTE_DIM(ipaddr_invalid_strs)
>
>Idem.
>
>>
>> static void
>> dump_addr(cmdline_ipaddr_t addr)
>> diff --git a/app/test/test_cmdline_num.c
>b/app/test/test_cmdline_num.c
>> index 4c97caf3d..1daeaf840 100644
>> --- a/app/test/test_cmdline_num.c
>> +++ b/app/test/test_cmdline_num.c
>> @@ -216,17 +216,11 @@ const char * num_invalid_strs[] = {
>> "\0",
>> };
>>
>> -#define NUM_POSITIVE_STRS_SIZE \
>> - (sizeof(num_valid_positive_strs) /
>sizeof(num_valid_positive_strs[0]))
>> -#define NUM_NEGATIVE_STRS_SIZE \
>> - (sizeof(num_valid_negative_strs) /
>sizeof(num_valid_negative_strs[0]))
>> -#define NUM_POSITIVE_GARBAGE_STRS_SIZE \
>> - (sizeof(num_garbage_positive_strs) /
>sizeof(num_garbage_positive_strs[0]))
>> -#define NUM_NEGATIVE_GARBAGE_STRS_SIZE \
>> - (sizeof(num_garbage_negative_strs) /
>sizeof(num_garbage_negative_strs[0]))
>> -#define NUM_INVALID_STRS_SIZE \
>> - (sizeof(num_invalid_strs) / sizeof(num_invalid_strs[0]))
>> -
>> +#define NUM_POSITIVE_STRS_SIZE
>RTE_DIM(num_valid_positive_strs)
>> +#define NUM_NEGATIVE_STRS_SIZE
>RTE_DIM(num_valid_negative_strs)
>> +#define NUM_POSITIVE_GARBAGE_STRS_SIZE
>RTE_DIM(num_garbage_positive_strs)
>> +#define NUM_NEGATIVE_GARBAGE_STRS_SIZE
>RTE_DIM(num_garbage_negative_strs)
>> +#define NUM_INVALID_STRS_SIZE RTE_DIM(num_invalid_strs)
>
>Idem.
>Stopping at this, I suppose you get the idea for the rest of the changes.
>
>
>Thanks.
>
>--
>David Marchand
More information about the dev
mailing list