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/linux/Documentation/networking/device_drivers/ethernet/intel/
H A Didpf.rst53 Jumbo Frames
55 Jumbo Frames support is enabled by changing the Maximum Transmission Unit (MTU)
65 The maximum MTU setting for jumbo frames is 9706. This corresponds to the
66 maximum jumbo frame size of 9728 bytes.
70 each jumbo packet. This should help to avoid buffer starvation issues when
74 Packet loss may have a greater impact on throughput when you use jumbo
75 frames. If you observe a drop in performance after enabling jumbo frames,
H A Dfm10k.rst60 Jumbo Frames
62 Jumbo Frames support is enabled by changing the Maximum Transmission Unit (MTU)
81 NOTE: The maximum MTU setting for Jumbo Frames is 15342. This value coincides
82 with the maximum Jumbo Frames size of 15364 bytes.
85 each jumbo packet. This should help to avoid buffer starvation issues when
H A De1000e.rst256 Jumbo Frames
258 Jumbo Frames support is enabled by changing the Maximum Transmission Unit (MTU)
277 NOTE: The maximum MTU setting for Jumbo Frames is 8996. This value coincides
278 with the maximum Jumbo Frames size of 9018 bytes.
280 NOTE: Using Jumbo frames at 10 or 100 Mbps is not supported and may result in
283 NOTE: The following adapters limit Jumbo Frames sized packets to a maximum of
289 The following adapters do not support Jumbo Frames:
308 NOTE: Jumbo Frames cannot be configured on an 82579-based Network device if
H A Digb.rst95 Jumbo Frames
97 Jumbo Frames support is enabled by changing the Maximum Transmission Unit (MTU)
116 NOTE: The maximum MTU setting for Jumbo Frames is 9216. This value coincides
117 with the maximum Jumbo Frames size of 9234 bytes.
119 NOTE: Using Jumbo frames at 10 or 100 Mbps is not supported and may result in
H A De1000.rst201 MTU designates the frame size. It only needs to be set for Jumbo
394 Jumbo Frames
397 Jumbo Frames support is enabled by changing the MTU to a value larger than
413 Degradation in throughput performance may be observed in some Jumbo frames
419 - The maximum MTU setting for Jumbo Frames is 16110. This value coincides
420 with the maximum Jumbo Frames size of 16128.
422 - Using Jumbo frames at 10 or 100 Mbps is not supported and may result in
426 support Jumbo Frames. These correspond to the following product names::
H A Dixgbe.rst411 Jumbo Frames
413 Jumbo Frames support is enabled by changing the Maximum Transmission Unit (MTU)
432 NOTE: The maximum MTU setting for Jumbo Frames is 9710. This value coincides
433 with the maximum Jumbo Frames size of 9728 bytes.
436 each jumbo packet. This should help to avoid buffer starvation issues when
439 NOTE: For 82599-based network connections, if you are enabling jumbo frames in
440 a virtual function (VF), jumbo frames must first be enabled in the physical
/linux/tools/testing/selftests/drivers/net/netdevsim/
H A Dethtool-ring.sh
/linux/drivers/net/ethernet/cavium/liquidio/
H A Docteon_device.c86 /* SKB size, We need not change buf size even for Jumbo frames.
87 * Octeon can send jumbo frames in 4 consecutive descriptors,
115 /* SKB size, We need not change buf size even for Jumbo frames.
116 * Octeon can send jumbo frames in 4 consecutive descriptors,
194 /* SKB size, We need not change buf size even for Jumbo frames.
195 * Octeon can send jumbo frames in 4 consecutive descriptors,
223 /* SKB size, We need not change buf size even for Jumbo frames.
224 * Octeon can send jumbo frames in 4 consecutive descriptors,
252 /* SKB size, We need not change buf size even for Jumbo frames.
253 * Octeon can send jumbo frames in 4 consecutive descriptors,
[all …]
H A Docteon_config.h323 /* SKB size, We need not change buf size even for Jumbo frames.
324 * Octeon can send jumbo frames in 4 consecutive descriptors,
364 /* SKB size, We need not change buf size even for Jumbo frames.
365 * Octeon can send jumbo frames in 4 consecutive descriptors,
/linux/Documentation/networking/device_drivers/ethernet/dlink/
H A Ddl2k.rst238 jumbo=[0|1] Specifies the jumbo frame support. If jumbo=1,
239 the NIC accept jumbo frames. By default, this
241 Jumbo frame usually improve the performance
243 This feature need jumbo frame compatible
/linux/net/rxrpc/
H A Doutput.c432 struct rxrpc_jumbo_header *jumbo = txb->data - sizeof(*jumbo); in rxrpc_prepare_data_subpacket() local
494 /* There's a jumbo header prepended to the data if we need it. */ in rxrpc_prepare_data_subpacket()
504 jumbo->flags = flags; in rxrpc_prepare_data_subpacket()
505 jumbo->pad = 0; in rxrpc_prepare_data_subpacket()
506 jumbo->cksum = txb->cksum; in rxrpc_prepare_data_subpacket()
507 kv->iov_base = jumbo; in rxrpc_prepare_data_subpacket()
508 len += sizeof(*jumbo); in rxrpc_prepare_data_subpacket()
533 * Prepare a (jumbo) packet for transmission.
588 /* Only sample the last subpacket in a jumbo. */ in rxrpc_prepare_data_packet()
H A Dpeer_event.c387 int good, trial, bad, jumbo; in rxrpc_input_probe_for_pmtud() local
427 jumbo = max_data + sizeof(struct rxrpc_jumbo_header); in rxrpc_input_probe_for_pmtud()
428 jumbo /= RXRPC_JUMBO_SUBPKTLEN; in rxrpc_input_probe_for_pmtud()
429 peer->pmtud_jumbo = jumbo; in rxrpc_input_probe_for_pmtud()
H A Dtxbuf.c30 /* We put a jumbo header in the buffer, but not a full wire header to in rxrpc_alloc_data_txbuf()
/linux/drivers/net/ethernet/intel/igc/
H A Digc_xdp.c21 * jumbo frames so we return error. in igc_xdp_set_prog()
23 NL_SET_ERR_MSG_MOD(extack, "Jumbo frames not supported"); in igc_xdp_set_prog()
/linux/tools/net/ynl/pyynl/
H A Dethtool.py
/linux/Documentation/userspace-api/netlink/
H A Dintro-specs.rst35 'rx-jumbo': 0,
36 'rx-jumbo-max': 4096,
/linux/drivers/net/ethernet/atheros/atl1e/
H A Datl1e_hw.h273 #define MAC_CTRL_HUGE_EN 0x200 /* 1: receive Jumbo frame enable */
424 /* Jumbo packet Threshold for task offload */
425 #define REG_TX_EARLY_TH 0x1584 /* Jumbo frame threshold in QWORD unit. Packet g…
456 /* Rx jumbo packet threshold and rrd retirement timer */
459 * Jumbo packet threshold for non-VLAN packet, in QWORD (64-bit) unit.
/linux/drivers/net/ethernet/xilinx/
H A Dxilinx_axienet.h24 #define XAE_JUMBO_MTU 9000 /* Max MTU of a jumbo Eth. frame */
35 /* Jumbo frame support for Tx & Rx. Default: disabled (cleared) */
239 #define XAE_RCW1_JUM_MASK 0x40000000 /* Jumbo frame enable */
255 #define XAE_TC_JUM_MASK 0x40000000 /* Jumbo frame enable */
535 * Txed/Rxed in the existing hardware. If jumbo option is
538 * @rxmem: Stores rx memory size for jumbo frame handling.
H A Dll_temac.h28 /* Jumbo frame support for Tx & Rx.
236 #define XTE_RXC1_RXJMBO_MASK (1 << 30) /* Jumbo frame enable */
245 #define XTE_TXC_TXJMBO_MASK (1 << 30) /* Jumbo frame enable */
/linux/drivers/net/ethernet/qlogic/qlcnic/
H A Dqlcnic_83xx_hw.h131 * phy_addr_jmb_{low|high}: physical address of jumbo buffer
134 * jmb_ring_len: no. of entries in jumbo buffer
135 * jmb_ring_sz: size of jumbo buffer
155 /* host producers for regular and jumbo rings */
/linux/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/
H A Drule.h38 u8 jumbo[MLX5HWS_JUMBO_TAG_SZ]; member
H A Drule.c48 memcpy(wqe_data->jumbo, tag->jumbo, MLX5HWS_JUMBO_TAG_SZ); in hws_rule_update_copy_tag()
172 memcpy(&rule->tag.jumbo, ste_attr->wqe_data->jumbo, MLX5HWS_JUMBO_TAG_SZ); in hws_rule_save_delete_info()
/linux/Documentation/networking/device_drivers/ethernet/stmicro/
H A Dstmmac.rst75 - Standard or Jumbo Ethernet Packets
267 Jumbo and Segmentation Offloading
270 Jumbo frames are supported and tested for the GMAC. The GSO has been also
387 JUMBO frames::
/linux/arch/mips/cavium-octeon/executive/
H A Dcvmx-helper-loop.c54 /* We need to disable length checking so packet < 64 bytes and jumbo in __cvmx_helper_loop_probe()
/linux/drivers/net/ethernet/qlogic/netxen/
H A Dnetxen_nic_ctx.c580 /* Jumbo frames */
605 /* Jumbo frames */
630 /* Jumbo frames */
655 /* Jumbo frames */

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