[dpdk-dev] Compiling RSS ebpf
Sameeh Jubran
sameeh at daynix.com
Sun May 13 12:10:28 CEST 2018
Hi All,
I am attempting to compile the rss epbf program dpdk and I am getting too
much compilation errors, is there anything specific that I need to
configure when compiling?
I am running the following line:
clang -O2 -emit-llvm -c tap_bpf_program.c -o - | llc -march=bpf
-filetype=obj -o tap_bpf_program.o
I think it is due to some misconfiguration of
The errors I am getting:
tap_bpf_program.c:157:37: warning: implicit declaration of function
'offsetof' is invalid in C99 [-Wimplicit-function-declaration]
__u8 *src_dst_addr = data + off + offsetof(struct iphdr,
saddr);
^
tap_bpf_program.c:157:46: error: expected expression
__u8 *src_dst_addr = data + off + offsetof(struct iphdr,
saddr);
^
tap_bpf_program.c:157:60: error: use of undeclared identifier 'saddr'
__u8 *src_dst_addr = data + off + offsetof(struct iphdr,
saddr);
^
tap_bpf_program.c:180:11: error: use of undeclared identifier 'TC_ACT_OK'
return TC_ACT_OK;
^
tap_bpf_program.c:182:15: error: expected expression
offsetof(struct ipv6hdr, saddr);
^
tap_bpf_program.c:182:31: error: use of undeclared identifier 'saddr'
offsetof(struct ipv6hdr, saddr);
^
tap_bpf_program.c:204:10: error: use of undeclared identifier 'TC_ACT_PIPE'
return TC_ACT_PIPE;
^
tap_bpf_program.c:212:9: error: use of undeclared identifier
'TC_ACT_RECLASSIFY'
return TC_ACT_RECLASSIFY;
^
tap_bpf_program.c:222:1: error: expected parameter declarator
RSS(l3_l4)
^
tap_bpf_program.c:216:12: note: expanded from macro 'RSS'
__section(#L) int \
^
<scratch space>:76:1: note: expanded from here
"l3_l4"
^
tap_bpf_program.c:222:1: error: expected ')'
tap_bpf_program.c:216:12: note: expanded from macro 'RSS'
__section(#L) int \
^
<scratch space>:76:1: note: expanded from here
"l3_l4"
^
tap_bpf_program.c:222:1: note: to match this '('
tap_bpf_program.c:216:11: note: expanded from macro 'RSS'
__section(#L) int \
^
tap_bpf_program.c:222:1: warning: type specifier missing, defaults to 'int'
[-Wimplicit-int]
RSS(l3_l4)
^
tap_bpf_program.c:216:2: note: expanded from macro 'RSS'
__section(#L) int \
^
tap_bpf_program.c:222:1: error: expected ';' after top level declarator
tap_bpf_program.c:216:16: note: expanded from macro 'RSS'
__section(#L) int \
^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
6 warnings and 20 errors generated.
sameeh at bark:~/Builds/bpf_rss/dpdk/drivers/net/tap$ clear
--
Respectfully,
*Sameeh Jubran*
*Linkedin <https://il.linkedin.com/pub/sameeh-jubran/87/747/a8a>*
*Software Engineer @ Daynix <http://www.daynix.com>.*
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