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e8023b030c
For tc ip_proto filter, when we extract the flow via __skb_flow_dissect()
without flag FLOW_DISSECTOR_F_STOP_AT_ENCAP, we will continue extract to
the inner proto.
So for GRE + ICMP messages, we should not track GRE proto, but inner ICMP
proto.
For test mirror_gre.sh, it may make user confused if we capture ICMP
message on $h3(since the flow is GRE message). So I move the capture
dev to h3-gt{4,6}, and only capture ICMP message.
Before the fix:
]# ./mirror_gre.sh
TEST: ingress mirror to gretap (skip_hw) [ OK ]
TEST: egress mirror to gretap (skip_hw) [ OK ]
TEST: ingress mirror to ip6gretap (skip_hw) [ OK ]
TEST: egress mirror to ip6gretap (skip_hw) [ OK ]
TEST: ingress mirror to gretap: envelope MAC (skip_hw) [FAIL]
Expected to capture 10 packets, got 0.
TEST: egress mirror to gretap: envelope MAC (skip_hw) [FAIL]
Expected to capture 10 packets, got 0.
TEST: ingress mirror to ip6gretap: envelope MAC (skip_hw) [FAIL]
Expected to capture 10 packets, got 0.
TEST: egress mirror to ip6gretap: envelope MAC (skip_hw) [FAIL]
Expected to capture 10 packets, got 0.
TEST: two simultaneously configured mirrors (skip_hw) [ OK ]
WARN: Could not test offloaded functionality
After fix:
]# ./mirror_gre.sh
TEST: ingress mirror to gretap (skip_hw) [ OK ]
TEST: egress mirror to gretap (skip_hw) [ OK ]
TEST: ingress mirror to ip6gretap (skip_hw) [ OK ]
TEST: egress mirror to ip6gretap (skip_hw) [ OK ]
TEST: ingress mirror to gretap: envelope MAC (skip_hw) [ OK ]
TEST: egress mirror to gretap: envelope MAC (skip_hw) [ OK ]
TEST: ingress mirror to ip6gretap: envelope MAC (skip_hw) [ OK ]
TEST: egress mirror to ip6gretap: envelope MAC (skip_hw) [ OK ]
TEST: two simultaneously configured mirrors (skip_hw) [ OK ]
WARN: Could not test offloaded functionality
Fixes:
|
||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.