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2015-01-15s390/bpf: Zero extend parameters before calling C functionMichael Holzheu1-4/+6
The s390x ABI requires to zero extend parameters before functions are called. Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2015-01-15s390/bpf: Fix sk_load_byte_msh()Michael Holzheu1-4/+4
In sk_load_byte_msh() sk_load_byte_slow() is called instead of sk_load_byte_msh_slow(). Fix this and call the correct function. Besides of this load only one byte instead of two and fix the comment. Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2015-01-15s390/bpf: Fix offset parameter for skb_copy_bits()Michael Holzheu1-0/+2
Currently the offset parameter for skb_copy_bits is changed in sk_load_word() and sk_load_half(). Therefore it is not correct when calling skb_copy_bits(). Fix this and use the original offset for the function call. Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2015-01-15s390/bpf: Fix skb_copy_bits() parameter passingMichael Holzheu1-10/+10
The skb_copy_bits() function has the following signature: int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len) Currently in bpf_jit.S the "to" and "len" parameters have been exchanged. So fix this and call the function with the correct parameters. Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-09-26s390/bpf,jit: BPF Just In Time compiler for s390Martin Schwidefsky1-0/+130
The s390 implementation of the JIT compiler for packet filter speedup. Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>