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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/ethernet/mscc/ocelot_ace.c: In function ‘vcap_cmd’:
drivers/net/ethernet/mscc/ocelot_ace.c:108:6: warning: variable ‘rc’ set
but not used [-Wunused-but-set-variable]
int rc;
^
It's never used since introduction in commit b596229448dd ("net: mscc:
ocelot: Add support for tcam")
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix sparse warning:
drivers/net/ethernet/mscc/ocelot_ace.c:96:3:
warning: symbol 'vcap_data_t' was not declared. Should it be static?
'vcap_data_t' never used so can be removed
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clang warns:
drivers/net/ethernet/mscc/ocelot_ace.c:335:37: warning: suggest braces
around initialization of subobject [-Wmissing-braces]
struct ocelot_vcap_u64 payload = { 0 };
^
{}
drivers/net/ethernet/mscc/ocelot_ace.c:336:28: warning: suggest braces
around initialization of subobject [-Wmissing-braces]
struct vcap_data data = { 0 };
^
{}
drivers/net/ethernet/mscc/ocelot_ace.c:683:37: warning: suggest braces
around initialization of subobject [-Wmissing-braces]
struct ocelot_ace_rule del_ace = { 0 };
^
{}
drivers/net/ethernet/mscc/ocelot_ace.c:743:28: warning: suggest braces
around initialization of subobject [-Wmissing-braces]
struct vcap_data data = { 0 };
^
{}
4 warnings generated.
One way to fix these warnings is to add additional braces like Clang
suggests; however, there has been a bit of push back from some
maintainers[1][2], who just prefer memset as it is unambiguous, doesn't
depend on a particular compiler version[3], and properly initializes all
subobjects. Do that here so there are no more warnings.
[1]: https://lore.kernel.org/lkml/022e41c0-8465-dc7a-a45c-64187ecd9684@amd.com/
[2]: https://lore.kernel.org/lkml/20181128.215241.702406654469517539.davem@davemloft.net/
[3]: https://lore.kernel.org/lkml/20181116150432.2408a075@redhat.com/
Fixes: b596229448dd ("net: mscc: ocelot: Add support for tcam")
Link: https://github.com/ClangBuiltLinux/linux/issues/505
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add ACL support using the TCAM. Using ACL it is possible to create rules
in hardware to filter/redirect frames.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mao Wenan
YueHaibing
Nathan Chancellor
Horatiu Vultur