[dpdk-dev] [PATCH] net/tap: fix build issue with ARM32

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

arm32 Linux does not support eBPF interface.
Since tap PMD driver has a dependency on eBPF(the symbol __NR_bpf),
disabling it armv7 config.

compilation error log:
In file included from /tmp/dpdk/drivers/net/tap/tap_bpf_api.c:15:0:
/tmp/dpdk/drivers/net/tap/tap_bpf.h:103:4: error: #error __NR_bpf not
defined
 #  error __NR_bpf not defined
    ^
/tmp/dpdk/drivers/net/tap/tap_bpf_api.c: In function ‘sys_bpf’:
/tmp/dpdk/drivers/net/tap/tap_bpf_api.c:92:17: error: ‘__NR_bpf’
undeclared (first use in this function)
  return syscall(__NR_bpf, cmd, attr, size);
                 ^
/tmp/dpdk/drivers/net/tap/tap_bpf_api.c:92:17: note: each undeclared
identifier is reported only once for each function it appears in
/tmp/dpdk/drivers/net/tap/tap_bpf_api.c:93:1: error: control reaches
end of non-void function [-Werror=return-type]
 }
 ^
cc1: all warnings being treated as errors

Fixes: b02d85e1 ("net/tap: add eBPF API")

Cc: Pascal Mazon <pascal.mazon@6wind.com>
Cc: Jan Viktorin <viktorin@rehivetech.com>
Cc: Jianbo Liu <jianbo.liu@arm.com>

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---
 config/defconfig_arm-armv7a-linuxapp-gcc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/config/defconfig_arm-armv7a-linuxapp-gcc b/config/defconfig_arm-armv7a-linuxapp-gcc
index a20b7a85f..4a55bb397 100644
--- a/config/defconfig_arm-armv7a-linuxapp-gcc
+++ b/config/defconfig_arm-armv7a-linuxapp-gcc
@@ -80,3 +80,4 @@ CONFIG_RTE_LIBRTE_BNX2X_PMD=n
 CONFIG_RTE_LIBRTE_QEDE_PMD=n
 CONFIG_RTE_LIBRTE_SFC_EFX_PMD=n
 CONFIG_RTE_LIBRTE_AVP_PMD=n
+CONFIG_RTE_LIBRTE_PMD_TAP=n
-- 
2.16.1