Lines Matching +full:no +full:- +full:poll +full:- +full:on +full:- +full:init
9 - Terrehon Bowden <terrehon@pacbell.net>
10 - Bodo Bauer <bb@ricochet.net>
14 - Jorge Nerin <comandante@zaralinux.com>
18 - Shen Feng <shen@cn.fujitsu.com>
22 ------------------------------------------------------------------------------
29 see only some of them, depending on your kernel's configuration.
47 1. /proc/sys/net/core - Network core options
51 --------------
61 two flavors of JITs, the newer eBPF JIT currently supported on:
63 - x86_64
64 - x86_32
65 - arm64
66 - arm32
67 - ppc64
68 - ppc32
69 - sparc64
70 - mips64
71 - s390x
72 - riscv64
73 - riscv32
74 - loongarch64
75 - arc
77 And the older cBPF JIT supported on the following archs:
79 - mips
80 - sparc
90 - 0 - disable the JIT (default value)
91 - 1 - enable the JIT
92 - 2 - enable the JIT and ask the compiler to emit traces on kernel log.
95 --------------
103 - 0 - disable JIT hardening (default value)
104 - 1 - enable JIT hardening for unprivileged users only
105 - 2 - enable JIT hardening for all users
111 ----------------
121 - 0 - disable JIT kallsyms export (default value)
122 - 1 - enable JIT kallsyms export for privileged users only
125 -------------
133 ----------
135 The maximum number of packets that kernel can handle on a NAPI interrupt,
136 it's a Per-CPU variable. For drivers that support LRO or GRO_HW, a hardware
142 ------------------
144 RPS (e.g. RFS, aRFS) processing is competing with the registered NAPI poll function
146 the proportion of the configured netdev_budget that is spent on RPS based packet
148 dev_weight adaptable for asymmetric CPU needs on RX/TX side of the network stack.
149 (see dev_weight_tx_bias) It is effective on a per CPU basis. Determination is based
150 on dev_weight and is calculated multiplicative (dev_weight * dev_weight_rx_bias).
155 ------------------
158 Effective on a per CPU basis. Allows scaling of current dev_weight for asymmetric
161 Calculation is based on dev_weight (dev_weight * dev_weight_tx_bias).
166 -------------
182 ---------
184 Low latency busy poll timeout for socket reads. (needs CONFIG_NET_RX_BUSY_POLL)
185 Approximate time in us to busy loop waiting for packets on the device queue.
196 ----------------
197 Low latency busy poll timeout for poll and select. (needs CONFIG_NET_RX_BUSY_POLL)
199 Recommended value depends on the number of sockets you poll on.
203 so you want to either selectively set SO_BUSY_POLL on those sockets or set
211 ------------
213 Per-cpu reserved forward alloc cache size in page units. Default 1MB per CPU.
216 ------------
221 --------
226 ----------------
228 The default RPS CPU mask used on newly created network devices. An empty
232 -----------------
237 Default: 1 (on)
241 ------------
246 --------
251 ------------------------------
255 denial-of-service attack impossible. A higher message_cost factor, results in
261 --------
266 occur because of problems on the network like duplicate address or bad
273 -------------
276 poll). In one polling cycle interfaces which are registered to polling are
277 probed in a round-robin manner. Also, a polling cycle may not exceed
282 ---------------------
286 poll cycle or the number of packets processed reaches netdev_budget.
289 ------------------
291 Maximum number of packets, queued on the INPUT side, when the interface
295 --------------
300 provide ethtool -x support yet.
307 File contains nul bytes if no driver ever called netdev_rss_key_fill() function.
315 myhost:~# ethtool -x eth0
322 ----------------------
325 the target CPU processes packets. It might give some delay on timestamps, but
326 permit to distribute the load on several cpus.
332 ------------------------------
339 warnings on slow/loaded systems.
343 -------------
345 Max size (in skbs) of the per-cpu list of skbs being freed
351 ----------
360 ----------------------------
367 created only in init net namespace and every other net namespace will
371 "2" is pointless after boot if these modules are built-in, so there is
372 a kernel command-line option that can change this default. Please refer to
373 Documentation/admin-guide/kernel-parameters.txt for additional details.
381 ------------------------
397 --------
399 Controls default hash rethink behaviour on socket when SO_TXREHASH option is set
402 If set to 1 (default), hash rethink is performed on listening socket.
406 ----------------
408 Maximum number of the segments to batch up on output of GRO. When a packet
410 GRO has decided not to coalesce, it is placed on a per-NAPI list. This
415 ------------------------
417 By default the allocator for page frags tries to use high order pages (order-3
418 on x86). While the default behavior gives good results in most cases, some users
420 true on older kernels (< 5.14) when high-order pages were not stored on per-cpu
421 lists. This allows to opt-in for order-0 allocation instead but is now mostly of
426 2. /proc/sys/net/unix - Parameters for Unix domain sockets
427 ----------------------------------------------------------
434 3. /proc/sys/net/ipv4 - IPV4 settings
435 -------------------------------------
436 Please see: Documentation/networking/ip-sysctl.rst and
437 Documentation/admin-guide/sysctl/net.rst for descriptions of these entries.
441 ------------
446 aarp-expiry-time
447 ----------------
452 aarp-resolve-time
453 -----------------
457 aarp-retransmit-limit
458 ---------------------
462 aarp-tick-time
463 --------------
468 on a machine.
476 shows the name of the interface, its Appletalk address, the network range on
485 -------
488 ---------
491 tcp_rmem - i.e. a vector of 3 INTEGERs: (min, default, max)
505 -------------
513 If named_timeout is nonzero, failed topology updates will be placed on a defer