| /openbmc/linux/drivers/net/ethernet/qualcomm/rmnet/ |
| H A D | rmnet_vnd.c | 69 u32 headroom; in rmnet_vnd_headroom() local
76 return headroom; in rmnet_vnd_headroom()
83 u32 headroom; in rmnet_vnd_change_mtu() local
87 headroom = rmnet_vnd_headroom(port); in rmnet_vnd_change_mtu()
306 u32 headroom; in rmnet_vnd_newlink() local
320 headroom = rmnet_vnd_headroom(port); in rmnet_vnd_newlink()
375 u32 headroom; in rmnet_vnd_validate_real_dev_mtu() local
379 headroom = rmnet_vnd_headroom(port); in rmnet_vnd_validate_real_dev_mtu()
395 u32 headroom; in rmnet_vnd_update_dev_mtu() local
397 headroom = rmnet_vnd_headroom(port); in rmnet_vnd_update_dev_mtu()
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| /openbmc/linux/drivers/net/ethernet/fungible/funeth/ |
| H A D | funeth_rx.c | 372 unsigned int headroom; in fun_handle_cqe_pkt() local
388 headroom = be16_to_cpu(rxreq->headroom); in fun_handle_cqe_pkt()
389 if (likely(headroom)) in fun_handle_cqe_pkt()
403 if (likely(headroom)) { in fun_handle_cqe_pkt()
405 prefetch(va + headroom); in fun_handle_cqe_pkt()
410 skb_reserve(skb, headroom); in fun_handle_cqe_pkt()
591 u16 headroom; in fun_rxq_set_bpf() local
595 if (headroom != q->headroom) { in fun_rxq_set_bpf()
600 0, q->hw_cqid, headroom); in fun_rxq_set_bpf()
605 q->headroom = headroom; in fun_rxq_set_bpf()
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| /openbmc/linux/include/net/ |
| H A D | xdp.h | 126 int headroom, int data_len, const bool meta_valid) in xdp_prepare_buff() argument
128 unsigned char *data = hard_start + headroom; in xdp_prepare_buff()
169 u16 headroom; member
206 void *data_hard_start = frame->data - frame->headroom - sizeof(*frame); in xdp_get_shared_info_from_frame()
254 xdp->data_hard_start = frame->data - frame->headroom - sizeof(*frame); in xdp_convert_frame_to_buff()
266 int metasize, headroom; in xdp_update_frame_from_buff() local
269 headroom = xdp->data - xdp->data_hard_start; in xdp_update_frame_from_buff()
272 if (unlikely((headroom - metasize) < sizeof(*xdp_frame))) in xdp_update_frame_from_buff()
283 xdp_frame->headroom = headroom - sizeof(*xdp_frame); in xdp_update_frame_from_buff()
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| H A D | gso.h | 34 int new_headroom, headroom; in gso_pskb_expand_head() local
37 headroom = skb_headroom(skb); in gso_pskb_expand_head()
43 SKB_GSO_CB(skb)->mac_offset += (new_headroom - headroom); in gso_pskb_expand_head()
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| H A D | xsk_buff_pool.h | 76 u32 headroom; member
122 xskb->xdp.data_hard_start = pool->addrs + addr + pool->headroom; in xp_init_xskb_addr()
130 xskb->dma = xskb->frame_dma + pool->headroom + XDP_PACKET_HEADROOM; in xp_init_xskb_dma()
230 offset += xskb->pool->headroom; in xp_get_handle()
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| H A D | lwtunnel.h | 31 __u16 headroom; member
108 lwtunnel_output_redirect(lwtstate)) && lwtstate->headroom < mtu) in lwtunnel_headroom()
109 return lwtstate->headroom; in lwtunnel_headroom()
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| /openbmc/linux/samples/bpf/ |
| H A D | xdp_adjust_tail_kern.c | 72 int headroom = (int)sizeof(struct iphdr) + (int)sizeof(struct icmphdr); in send_icmp4_too_big() local
74 if (bpf_xdp_adjust_head(xdp, 0 - headroom)) in send_icmp4_too_big()
79 if (data + (ICMP_TOOBIG_SIZE + headroom) > data_end) in send_icmp4_too_big()
88 orig_eth = data + headroom; in send_icmp4_too_big()
110 ICMP_TOOBIG_SIZE + headroom - sizeof(struct ethhdr)); in send_icmp4_too_big()
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| /openbmc/linux/drivers/net/wireless/quantenna/qtnfmac/ |
| H A D | shm_ipc.c | 14 const u32 flags = readl(&ipc->shm_region->headroom.hdr.flags); in qtnf_shm_ipc_has_new_data()
25 shm_reg_hdr = &ipc->shm_region->headroom.hdr; in qtnf_shm_handle_new_data()
59 flags = readl(&ipc->shm_region->headroom.hdr.flags); in qtnf_shm_ipc_irq_inbound_handler()
72 flags = readl(&ipc->shm_region->headroom.hdr.flags); in qtnf_shm_ipc_irq_outbound_handler()
128 shm_reg_hdr = &ipc->shm_region->headroom.hdr; in qtnf_shm_ipc_send()
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| H A D | shm_ipc_defs.h | 25 u8 headroom[QTN_IPC_REG_HDR_SZ]; member
29 union qtnf_shm_ipc_region_headroom headroom; member
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| /openbmc/linux/net/core/ |
| H A D | xdp.c | 573 xdpf->headroom = 0; in xdp_convert_zc_to_xdp_frame()
605 unsigned int headroom, frame_size; in __xdp_build_skb_from_frame() local
614 headroom = sizeof(*xdpf) + xdpf->headroom; in __xdp_build_skb_from_frame()
621 hard_start = xdpf->data - headroom; in __xdp_build_skb_from_frame()
626 skb_reserve(skb, headroom); in __xdp_build_skb_from_frame()
673 unsigned int headroom, totalsize; in xdpf_clone() local
678 headroom = xdpf->headroom + sizeof(*xdpf); in xdpf_clone()
679 totalsize = headroom + xdpf->len; in xdpf_clone()
691 nxdpf->data = addr + headroom; in xdpf_clone()
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| /openbmc/linux/drivers/nfc/nfcmrvl/ |
| H A D | main.c | 100 int headroom; in nfcmrvl_nci_register_dev() local
126 headroom = NCI_SPI_HDR_LEN; in nfcmrvl_nci_register_dev()
129 headroom = tailroom = 0; in nfcmrvl_nci_register_dev()
132 headroom += NFCMRVL_HCI_EVENT_HEADER_SIZE; in nfcmrvl_nci_register_dev()
143 headroom, tailroom); in nfcmrvl_nci_register_dev()
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| /openbmc/linux/net/xdp/ |
| H A D | xdp_umem.c | 154 u32 chunk_size = mr->chunk_size, headroom = mr->headroom; in xdp_umem_reg() local
199 if (headroom >= chunk_size - XDP_PACKET_HEADROOM) in xdp_umem_reg()
203 umem->headroom = headroom; in xdp_umem_reg()
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| /openbmc/linux/net/ax25/ |
| H A D | ax25_out.c | 329 int headroom; in ax25_transmit_buffer() local
336 headroom = ax25_addr_size(ax25->digipeat); in ax25_transmit_buffer()
338 if (unlikely(skb_headroom(skb) < headroom)) { in ax25_transmit_buffer()
339 skb = skb_expand_head(skb, headroom); in ax25_transmit_buffer()
346 ptr = skb_push(skb, headroom); in ax25_transmit_buffer()
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| /openbmc/linux/drivers/net/ethernet/netronome/nfp/ |
| H A D | nfp_net_xsk.c | 20 unsigned int headroom; in nfp_net_xsk_rx_bufs_stash() local
22 headroom = xsk_pool_get_headroom(rx_ring->r_vec->xsk_pool); in nfp_net_xsk_rx_bufs_stash()
29 xsk_buff_xdp_get_frame_dma(xdp) + headroom; in nfp_net_xsk_rx_bufs_stash()
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| /openbmc/linux/drivers/net/usb/ |
| H A D | int51x1.c | 59 int headroom = skb_headroom(skb); in int51x1_tx_fixup() local
76 (headroom + tailroom >= need_tail + INT51X1_HEADER_SIZE)) { in int51x1_tx_fixup()
77 if (headroom < INT51X1_HEADER_SIZE || tailroom < need_tail) { in int51x1_tx_fixup()
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| H A D | gl620a.c | 140 int headroom = skb_headroom(skb); in genelink_tx_fixup() local
149 && ((headroom + tailroom) >= (padlen + (4 + 4*1)))) { in genelink_tx_fixup()
150 if ((headroom < (4 + 4*1)) || (tailroom < padlen)) { in genelink_tx_fixup()
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| H A D | cdc_eem.c | 107 int headroom = skb_headroom(skb); in eem_tx_fixup() local
111 (headroom >= EEM_HEAD)) in eem_tx_fixup()
114 if ((headroom + tailroom) in eem_tx_fixup()
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| H A D | kalmia.c | 167 int headroom = skb_headroom(skb); in kalmia_tx_fixup() local
170 if ((tailroom >= KALMIA_ALIGN_SIZE) && (headroom in kalmia_tx_fixup()
174 if ((headroom + tailroom) > (KALMIA_HEADER_LENGTH in kalmia_tx_fixup()
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| /openbmc/linux/drivers/net/ethernet/mellanox/mlx5/core/en/ |
| H A D | params.c | 221 u16 headroom; in mlx5e_get_linear_rq_headroom() local
224 return xsk->headroom; in mlx5e_get_linear_rq_headroom()
226 headroom = NET_IP_ALIGN; in mlx5e_get_linear_rq_headroom()
228 headroom += XDP_PACKET_HEADROOM; in mlx5e_get_linear_rq_headroom()
230 headroom += MLX5_RX_HEADROOM; in mlx5e_get_linear_rq_headroom()
232 return headroom; in mlx5e_get_linear_rq_headroom()
240 return xsk->headroom + hw_mtu; in mlx5e_rx_get_linear_sz_xsk()
249 return MLX5_SKB_FRAG_SZ(headroom + hw_mtu); in mlx5e_rx_get_linear_sz_skb()
743 u16 headroom; in mlx5e_build_rq_frags_info() local
766 headroom = mlx5e_get_linear_rq_headroom(params, xsk); in mlx5e_build_rq_frags_info()
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| /openbmc/linux/include/net/bluetooth/ |
| H A D | bluetooth.h | 527 size_t headroom, size_t tailroom) in bt_skb_sendmsg() argument
533 skb = bt_skb_send_alloc(sk, size + headroom + tailroom, in bt_skb_sendmsg()
538 skb_reserve(skb, headroom); in bt_skb_sendmsg()
557 size_t headroom, size_t tailroom) in bt_skb_sendmmsg() argument
561 skb = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom); in bt_skb_sendmmsg()
574 tmp = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom); in bt_skb_sendmmsg()
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| /openbmc/linux/net/caif/ |
| H A D | caif_socket.c | 54 int headroom, tailroom, maxframe; member
555 buffer_size = len + cf_sk->headroom + cf_sk->tailroom; in caif_seqpkt_sendmsg()
563 skb_reserve(skb, cf_sk->headroom); in caif_seqpkt_sendmsg()
623 size + cf_sk->headroom + in caif_stream_sendmsg()
630 skb_reserve(skb, cf_sk->headroom); in caif_stream_sendmsg()
743 int ifindex, headroom, tailroom; in caif_connect() local
825 &cf_sk->layer, &ifindex, &headroom, &tailroom); in caif_connect()
840 cf_sk->headroom = LL_RESERVED_SPACE_EXTRA(dev, headroom); in caif_connect()
845 cf_sk->maxframe = mtu - (headroom + tailroom); in caif_connect()
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| /openbmc/linux/drivers/net/ |
| H A D | virtio_net.c | 475 unsigned int headroom) in mergeable_len_to_ctx() argument
491 unsigned int headroom, in virtnet_build_skb() argument
500 skb_reserve(skb, headroom); in virtnet_build_skb()
511 unsigned int headroom) in page_to_skb() argument
529 buf = p - headroom; in page_to_skb()
865 xdpf->headroom -= vi->hdr_len; in __virtnet_xdp_xmit_one()
1150 unsigned int headroom; in receive_small_build_skb() local
1365 unsigned int headroom, data_len; in build_skb_from_xdp_buff() local
1384 skb_reserve(skb, headroom); in build_skb_from_xdp_buff()
1414 unsigned int headroom, tailroom, room; in virtnet_build_xdp_buff_mrg() local
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| /openbmc/linux/drivers/net/wireless/marvell/mwifiex/ |
| H A D | 11n_aggr.c | 155 int headroom = adapter->intf_hdr_len; in mwifiex_11n_aggregate_pkt() local
174 skb_reserve(skb_aggr, headroom + sizeof(struct txpd)); in mwifiex_11n_aggregate_pkt()
229 skb_push(skb_aggr, headroom); in mwifiex_11n_aggregate_pkt()
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| /openbmc/linux/net/bpf/ |
| H A D | test_run.c | 133 u32 headroom = XDP_PACKET_HEADROOM; in xdp_test_run_init_page() local
142 headroom -= meta_len; in xdp_test_run_init_page()
147 memcpy(data + headroom, orig_ctx->data_meta, frm_len); in xdp_test_run_init_page()
150 xdp_prepare_buff(new_ctx, data, headroom, frm_len, true); in xdp_test_run_init_page()
627 u32 size, u32 headroom, u32 tailroom) in BTF_ID_FLAGS()
639 data = kzalloc(size + headroom + tailroom, GFP_USER); in BTF_ID_FLAGS()
1152 u32 headroom = XDP_PACKET_HEADROOM; in bpf_prog_test_run_xdp() local
1177 headroom += sizeof(struct xdp_page_head); in bpf_prog_test_run_xdp()
1194 headroom -= ctx->data; in bpf_prog_test_run_xdp()
1197 max_data_sz = 4096 - headroom - tailroom; in bpf_prog_test_run_xdp()
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| /openbmc/linux/include/linux/ |
| H A D | virtio_caif.h | 14 __virtio16 headroom; member
|