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e7a3160d09
For egress packets, __cgroup_bpf_fun_filter_skb() will now call
BPF_PROG_CGROUP_INET_EGRESS_RUN_ARRAY() instead of PROG_CGROUP_RUN_ARRAY()
in order to propagate congestion notifications (cn) requests to TCP
callers.
For egress packets, this function can return:
NET_XMIT_SUCCESS (0) - continue with packet output
NET_XMIT_DROP (1) - drop packet and notify TCP to call cwr
NET_XMIT_CN (2) - continue with packet output and notify TCP
to call cwr
-EPERM - drop packet
For ingress packets, this function will return -EPERM if any attached
program was found and if it returned != 1 during execution. Otherwise 0
is returned.
Signed-off-by: Lawrence Brakmo <brakmo@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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|---|---|---|
| .. | ||
| arraymap.c | ||
| bpf_lru_list.c | ||
| bpf_lru_list.h | ||
| btf.c | ||
| cgroup.c | ||
| core.c | ||
| cpumap.c | ||
| devmap.c | ||
| disasm.c | ||
| disasm.h | ||
| hashtab.c | ||
| helpers.c | ||
| inode.c | ||
| local_storage.c | ||
| lpm_trie.c | ||
| Makefile | ||
| map_in_map.c | ||
| map_in_map.h | ||
| offload.c | ||
| percpu_freelist.c | ||
| percpu_freelist.h | ||
| queue_stack_maps.c | ||
| reuseport_array.c | ||
| stackmap.c | ||
| syscall.c | ||
| tnum.c | ||
| verifier.c | ||
| xskmap.c | ||