Searched hist:"8934 ce2fd08171e8605f7fada91ee7619fe17ab8" (Results 1 – 4 of 4) sorted by relevance
/linux/include/linux/ |
H A D | filter.h | diff 8934ce2fd08171e8605f7fada91ee7619fe17ab8 Wed Mar 28 21:49:15 CEST 2018 John Fastabend <john.fastabend@gmail.com> bpf: sockmap redirect ingress support
Add support for the BPF_F_INGRESS flag in sk_msg redirect helper. To do this add a scatterlist ring for receiving socks to check before calling into regular recvmsg call path. Additionally, because the poll wakeup logic only checked the skb recv queue we need to add a hook in TCP stack (similar to write side) so that we have a way to wake up polling socks when a scatterlist is redirected to that sock.
After this all that is needed is for the redirect helper to push the scatterlist into the psock receive queue.
Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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/linux/include/net/ |
H A D | sock.h | diff 8934ce2fd08171e8605f7fada91ee7619fe17ab8 Wed Mar 28 21:49:15 CEST 2018 John Fastabend <john.fastabend@gmail.com> bpf: sockmap redirect ingress support
Add support for the BPF_F_INGRESS flag in sk_msg redirect helper. To do this add a scatterlist ring for receiving socks to check before calling into regular recvmsg call path. Additionally, because the poll wakeup logic only checked the skb recv queue we need to add a hook in TCP stack (similar to write side) so that we have a way to wake up polling socks when a scatterlist is redirected to that sock.
After this all that is needed is for the redirect helper to push the scatterlist into the psock receive queue.
Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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/linux/net/core/ |
H A D | filter.c | diff 8934ce2fd08171e8605f7fada91ee7619fe17ab8 Wed Mar 28 21:49:15 CEST 2018 John Fastabend <john.fastabend@gmail.com> bpf: sockmap redirect ingress support
Add support for the BPF_F_INGRESS flag in sk_msg redirect helper. To do this add a scatterlist ring for receiving socks to check before calling into regular recvmsg call path. Additionally, because the poll wakeup logic only checked the skb recv queue we need to add a hook in TCP stack (similar to write side) so that we have a way to wake up polling socks when a scatterlist is redirected to that sock.
After this all that is needed is for the redirect helper to push the scatterlist into the psock receive queue.
Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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/linux/net/ipv4/ |
H A D | tcp.c | diff 8934ce2fd08171e8605f7fada91ee7619fe17ab8 Wed Mar 28 21:49:15 CEST 2018 John Fastabend <john.fastabend@gmail.com> bpf: sockmap redirect ingress support
Add support for the BPF_F_INGRESS flag in sk_msg redirect helper. To do this add a scatterlist ring for receiving socks to check before calling into regular recvmsg call path. Additionally, because the poll wakeup logic only checked the skb recv queue we need to add a hook in TCP stack (similar to write side) so that we have a way to wake up polling socks when a scatterlist is redirected to that sock.
After this all that is needed is for the redirect helper to push the scatterlist into the psock receive queue.
Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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