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/linux-6.15/Documentation/networking/device_drivers/ethernet/intel/
H A Didpf.rst65 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.rst85 each jumbo packet. This should help to avoid buffer starvation issues when
H A Dixgbe.rst436 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
H A Dice.rst691 NOTE: The maximum MTU setting for jumbo frames is 9702. This corresponds to the
692 maximum jumbo frame size of 9728 bytes.
695 each jumbo packet. This should help to avoid buffer starvation issues when
698 NOTE: Packet loss may have a greater impact on throughput when you use jumbo
699 frames. If you observe a drop in performance after enabling jumbo frames,
/linux-6.15/net/rxrpc/
H A Dpeer_event.c372 int good, trial, bad, jumbo; in rxrpc_input_probe_for_pmtud() local
412 jumbo = max_data + sizeof(struct rxrpc_jumbo_header); in rxrpc_input_probe_for_pmtud()
413 jumbo /= RXRPC_JUMBO_SUBPKTLEN; in rxrpc_input_probe_for_pmtud()
414 peer->pmtud_jumbo = jumbo; in rxrpc_input_probe_for_pmtud()
H A Doutput.c434 struct rxrpc_jumbo_header *jumbo = txb->data - sizeof(*jumbo); in rxrpc_prepare_data_subpacket() local
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()
/linux-6.15/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
243 This feature need jumbo frame compatible
/linux-6.15/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/
H A Drule.h38 u8 jumbo[MLX5HWS_JUMBO_TAG_SZ]; member
H A Drule.c49 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()
H A Dsend.h59 __be32 jumbo[11]; member
H A Ddebug.c37 seq_printf(f, "%02x", definer->mask.jumbo[i]); in hws_debug_dump_matcher_template_definer()
H A Ddefiner.c1902 if (definer_a->mask.jumbo[i] != definer_b->mask.jumbo[i]) in mlx5hws_definer_compare()
1995 def_attr.match_mask = definer->mask.jumbo; in mlx5hws_definer_get_obj()
2067 hws_definer_create_tag_mask(match_param, fc, fc_sz, definer->mask.jumbo); in hws_definer_alloc()
H A Dsend.c127 memcpy(wqe_data->jumbo, tag->jumbo, MLX5HWS_JUMBO_TAG_SZ); in hws_send_wqe_set_tag()
/linux-6.15/drivers/net/ethernet/dlink/
H A Ddl2k.c23 static int jumbo[MAX_UNITS]; variable
39 module_param_array(jumbo, int, NULL, 0);
190 if (jumbo[card_idx] != 0) { in rio_probe1()
191 np->jumbo = 1; in rio_probe1()
194 np->jumbo = 0; in rio_probe1()
221 dev->max_mtu = np->jumbo ? MAX_JUMBO : PACKET_SIZE; in rio_probe1()
556 if (np->jumbo != 0) in rio_hw_init()
H A Ddl2k.h386 unsigned int jumbo:1; /* Jumbo frame enable */ member
/linux-6.15/Documentation/userspace-api/netlink/
H A Dintro-specs.rst35 'rx-jumbo': 0,
36 'rx-jumbo-max': 4096,
/linux-6.15/drivers/net/ethernet/alteon/
H A Dacenic.c1500 static void ace_set_rxtx_parms(struct net_device *dev, int jumbo) in ace_set_rxtx_parms() argument
1507 if (!jumbo) { in ace_set_rxtx_parms()
1591 if (ap->jumbo && (cur_size < RX_LOW_JUMBO_THRES) && in ace_bh_work()
1894 ap->jumbo = 0; in ace_handle_event()
2195 if (ap->jumbo) { in ace_interrupt()
2243 if (ap->jumbo && in ace_open()
2344 if (ap->jumbo) { in ace_close()
2545 if (!(ap->jumbo)) { in ace_change_mtu()
2548 ap->jumbo = 1; in ace_change_mtu()
2557 if (ap->jumbo) { in ace_change_mtu()
H A Dacenic.h670 int bh_work_pending, jumbo; member
784 static void ace_set_rxtx_parms(struct net_device *dev, int jumbo);
/linux-6.15/drivers/net/ethernet/ibm/ehea/
H A Dehea_main.c2831 static int ehea_get_jumboframe_status(struct ehea_port *port, int *jumbo) in ehea_get_jumboframe_status() argument
2837 *jumbo = 0; in ehea_get_jumboframe_status()
2852 *jumbo = 1; in ehea_get_jumboframe_status()
2863 *jumbo = 1; in ehea_get_jumboframe_status()
2949 int jumbo; in ehea_setup_single_port() local
3024 ret = ehea_get_jumboframe_status(port, &jumbo); in ehea_setup_single_port()
3029 jumbo == 1 ? "en" : "dis"); in ehea_setup_single_port()
/linux-6.15/drivers/net/ethernet/realtek/
H A Dr8169_main.c2579 bool jumbo = tp->dev->mtu > ETH_DATA_LEN; in rtl_jumbo_config() local
2582 if (jumbo && tp->mac_version >= RTL_GIGA_MAC_VER_17 && in rtl_jumbo_config()
2589 r8169_mod_reg8_cond(tp, Config4, BIT(0), jumbo); in rtl_jumbo_config()
2592 r8169_mod_reg8_cond(tp, Config3, Jumbo_En0, jumbo); in rtl_jumbo_config()
2593 r8169_mod_reg8_cond(tp, Config4, Jumbo_En1, jumbo); in rtl_jumbo_config()
2596 r8169_mod_reg8_cond(tp, Config3, Jumbo_En0, jumbo); in rtl_jumbo_config()
2599 RTL_W8(tp, MaxTxPacketSize, jumbo ? 0x24 : 0x3f); in rtl_jumbo_config()
2600 r8169_mod_reg8_cond(tp, Config3, Jumbo_En0, jumbo); in rtl_jumbo_config()
2601 r8169_mod_reg8_cond(tp, Config4, BIT(0), jumbo); in rtl_jumbo_config()
2612 if (jumbo) { in rtl_jumbo_config()
/linux-6.15/Documentation/networking/device_drivers/ethernet/freescale/dpaa2/
H A Dethernet-driver.rst179 The DPAA2 hardware can process jumbo Ethernet frames of up to 10K bytes.
/linux-6.15/Documentation/networking/device_drivers/ethernet/neterion/
H A Ds2io.rst22 such as jumbo frames, MSI/MSI-X, checksum offloads, TSO, UFO and so on.
/linux-6.15/Documentation/netlink/specs/
H A Dethtool.yaml298 name: rx-jumbo-max
310 name: rx-jumbo
1779 - rx-jumbo-max
1783 - rx-jumbo
/linux-6.15/Documentation/networking/
H A Drxrpc.rst1166 indicates to the peer whether we're willing to accept jumbo packets.
1170 The maximum number of packets that we're willing to accept in a jumbo
1171 packet. Non-terminal packets in a jumbo packet must contain a four byte
1173 a four byte header plus any amount of data. In any event, a jumbo packet
/linux-6.15/Documentation/networking/device_drivers/ethernet/netronome/
H A Dnfp.rst224 appropriate MTU values when handling jumbo frames or utilizing tunnels. For

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