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323ebb61e3
When GRO decides not to coalesce a packet, in napi_frags_finish(), instead of passing it to the stack immediately, place it on a list in the napi struct. Then, at flush time (napi_complete_done(), napi_poll(), or napi_busy_loop()), call netif_receive_skb_list_internal() on the list. We'd like to do that in napi_gro_flush(), but it's not called if !napi->gro_bitmask, so we have to do it in the callers instead. (There are a handful of drivers that call napi_gro_flush() themselves, but it's not clear why, or whether this will affect them.) Because a full 64 packets is an inefficiently large batch, also consume the list whenever it exceeds gro_normal_batch, a new net/core sysctl that defaults to 8. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| certs | ||
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| 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.