[dpdk-dev] [PATCH] eventdev: fix build related to port id storage size
Ferruh Yigit
ferruh.yigit at intel.com
Thu May 10 02:45:45 CEST 2018
When CONFIG_RTE_MAX_ETHPORTS more than 255 getting following build
error with gcc, gcc (GCC) 7.3.1
.../lib/librte_eventdev/rte_event_eth_rx_adapter.c:
In function ‘eth_poll_wrr_calc’:
.../build/include/rte_ethdev.h:1328:23:
error: comparison is always true due to limited range of data type
[-Werror=type-limits]
(unsigned int)p < (unsigned int)RTE_MAX_ETHPORTS; \
^
.../build/include/rte_ethdev.h:1345:2:
note: in expansion of macro ‘RTE_ETH_FOREACH_DEV_OWNED_BY’
RTE_ETH_FOREACH_DEV_OWNED_BY(p, RTE_ETH_DEV_NO_OWNER)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
.../lib/librte_eventdev/rte_event_eth_rx_adapter.c:220:3:
note: in expansion of macro ‘RTE_ETH_FOREACH_DEV’
RTE_ETH_FOREACH_DEV(d) {
^~~~~~~~~~~~~~~~~~~
Same for
rte_event_eth_rx_adapter.c:220:3 & rte_event_eth_rx_adapter.c:921:2
The storage type of the variable used in RTE_ETH_FOREACH_DEV is uint8_t
which is causing the build error.
port_id storage type is increased to uint16_t, fixing storage type fixes
the build error.
Fixes: 9c38b704d280 ("eventdev: add eth Rx adapter implementation")
Cc: stable at dpdk.org
Cc: nikhil.rao at intel.com
Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
Patch rebased on next-eventdev.
Cc: Jerin Jacob <jerin.jacob at caviumnetworks.com>
Cc: Nikhil Rao <nikhil.rao at intel.com>
There are a few uint8_t storage type on suspicious variable names like
uint8_t eth_dev_id, not sure if this is ethdev port_id. It can be good
to double check storage size.
---
lib/librte_eventdev/rte_event_eth_rx_adapter.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/librte_eventdev/rte_event_eth_rx_adapter.c b/lib/librte_eventdev/rte_event_eth_rx_adapter.c
index 4c0c02530..9016bb950 100644
--- a/lib/librte_eventdev/rte_event_eth_rx_adapter.c
+++ b/lib/librte_eventdev/rte_event_eth_rx_adapter.c
@@ -190,7 +190,7 @@ wrr_next(struct rte_event_eth_rx_adapter *rx_adapter,
static int
eth_poll_wrr_calc(struct rte_event_eth_rx_adapter *rx_adapter)
{
- uint8_t d;
+ uint16_t d;
uint16_t q;
unsigned int i;
@@ -859,7 +859,7 @@ rte_event_eth_rx_adapter_create_ext(uint8_t id, uint8_t dev_id,
struct rte_event_eth_rx_adapter *rx_adapter;
int ret;
int socket_id;
- uint8_t i;
+ uint16_t i;
char mem_name[ETH_RX_ADAPTER_SERVICE_NAME_LEN];
const uint8_t default_rss_key[] = {
0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2,
--
2.14.3
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